CN204056660U - Tobacco tar bottle - Google Patents

Abstract

The utility model provides a tobacco tar bottle, including a bottle and an inner cup, the bottle is provided with an external screw thread, and the inner cup is provided with an internal thread that matches with the external screw thread, and the external screw thread below an organic whole of this bottle is provided with a bead, and the corresponding position department of inner cup is provided with a draw-in groove, and the draw-in groove is corresponding with the bead. The tobacco tar bottle has simple structure, and is safe and practical.

Description

Tobacco tar bottle

[technical field]

The utility model relates to a kind of utensil storing tobacco tar, refers in particular to a kind of tobacco tar bottle.

[background technology]

Along with people are to the pursuit of Health and Living quality, the cigarette of infringement health is given up by people gradually.But because people can not depart from cigarette for the moment completely, therefore electronic cigarette, the product being mainly used in smoking cessation and cigarette substitute has occurred.It has the outward appearance the same with cigarette, the taste approximate with cigarette, even will have more a lot than the taste of general cigarette, and also as cigarette, energy sucking-off cigarette, sucking-off taste come with sensation, and electronic cigarette does not have other objectionable constituent such as tar, suspended particulates in cigarette.

Electronic cigarette is as a kind of article of cigarette substitute, tobacco tar need be coordinated to use, and due to tobacco tar volatile, difficult storage, it is a tobacco tar and electronic cigarette manufacturers' difficult problem always, therefore good seal performance, is convenient for carrying, and wieldy tobacco tar bottle is the pursuit of each large tobacco tar manufacturer and electronic cigarette manufacturer and smoker always.

Conventional tobacco tar bottle comprises two parts, a part is body, a part is bottle cap, twisted by screw thread between body and bottle cap and connect, user is when using screw-type to twist the tobacco tar bottle connect, and the power be usually applied on bottle cap is excessive, twist that to connect screw thread excessive, easily make the deformed threads in bottle cap, thus cause tobacco tar to outflow, unhygienic environmental protection and easily causing danger.Screw-type is twisted the tobacco tar bottle connect and also be there is a problem and be: its unfolding mode is very simple, even if tobacco tar bottle also can be opened by children easily, tobacco tar is placed on the position that family can be taken conveniently by smoker usually, therefore, children are also easy to get tobacco tar bottle, in today that event of eating by mistake occurs time and again, we it is to be appreciated that the tobacco tar bottle of this kind of structure exists certain potential safety hazard.Therefore, be no matter that tobacco tar manufacturer or smoker all wish to design and make new advances, the tobacco tar bottle of above-mentioned shortcoming can be overcome.

[utility model content]

For overcoming the shortcoming of existing tobacco tar bottle, the utility model provides a kind of new tobacco tar bottle.

The utility model provides a kind of tobacco tar bottle, and comprise a bottle and an inner cap, bottle is provided with an outside thread, inner cap is provided with a negative thread mated with outside thread, be wholely set a bead below the outside thread of this bottle, the corresponding position of inner cap is provided with a draw-in groove, and draw-in groove is corresponding with bead.

Preferably, this draw-in groove comprises a cambered surface and and revolves only face, and this revolves only face and is parallel to bead, and this cambered surface is positioned at the inwall of inner cap, and cambered surface is same tilt angle near the side of inner cap top and negative thread.

Preferably, the outside thread of this bottle is divided into the first thread segment and the second thread segment, and the pitch ratio first thread segment pitch of the second thread segment is little, and this negative thread is constant worm pich.

Preferably, this bottle comprises the spout of a circular cone hollow form, and spout inwall is provided with the barb of one or more projection or annular fence structure in annulus, and the protrusion direction of barb is towards bottle direction.

Preferably, the top bore of this spout is between 1mm-6mm.

Preferably, this tobacco tar bottle comprises a hollow enclosing cover further, and comprise a standing shape snap ring bottom this enclosing cover inwall, its diameter is less than the external diameter bottom inner cap.

Preferably, this enclosing cover is provided with a dop, and inner cap is provided with a retaining structure, dop and retaining structure male-female engagement.

Preferably, this retaining structure comprises the screens block that multiple spacing is arranged, and this dop comprises multiple projection, and the gap between the adjacent screens block of projection one_to_one corresponding, the distance bottom screens block to inner cap is less than or equal to the distance of projection bottom surface to snap ring.

Preferably, this retaining structure comprises a projection further, and dop comprises a groove further, and the distance bottom projection end face to inner cap is less than the distance of groove floor to snap ring.

Preferably, this screens block comprises a right-angle surface and a dip plane, this right-angle surface is perpendicular to the plane at this place, inner cap top, this right-angle surface carries on the back the direction screwed towards inner cap relative to dip plane, the acute angle that the plane at this dip plane and place, inner cap top is angled, it carries on the back the direction unscrewed towards inner cap relative to right-angle surface.

Compared with prior art, the utility model has following advantage:

The utility model tobacco tar bottle comprises a bottle and an inner cap, bottle is provided with an outside thread, inner cap is provided with a negative thread mated with outside thread, a bead has been wholely set below the outside thread of this bottle, the corresponding position of inner cap is provided with a draw-in groove, draw-in groove cooperation corresponding with bead, revolves inner cap and is stopped at bottle.The outside thread of this bottle is divided into the first thread segment and the second thread segment in addition, and the first thread segment accounts for overall externally threaded 80-100%, and pitch is 1.5-2.5mm, and the second thread segment accounts for overall externally threaded 0-20%, and pitch is 1.25-2.25mm.This externally threaded pitch is preferred range, and user is easy to carry out twisting to inner cap connect, and the little 6-10% of pitch ratio first thread segment pitch of the second thread segment, this negative thread is constant worm pich.Because the pitch of the second thread segment on bottleneck diminishes, the negative thread of inner cap is made to fasten with it tightr, the better tightness of tobacco tar bottle, and user is when stubborn connecing, experience the resistance increased gradually, know the bottom of inner cap near bottleneck, naturally note twisting the power connect, avoid damaged screw, tobacco tar is leaked outside.The bottle neck inwall of this tobacco tar bottle is provided with two annular barbs simultaneously, when pouring out tobacco tar, prevents the phenomenon that tobacco tar splashes.Moreover the tip aperture of the spout of this tobacco tar bottle is 1mm-6mm, can directly utilize spout oiling, without the need to other instruments, convenient and practical.

Cooperation between the dop of the enclosing cover of the utility model tobacco tar bottle and inner cap screens block makes children must not open tobacco tar bottle easily, children are when open bottle cover, do not know to open skill, the stressed direction unscrewed to enclosing cover of projection in enclosing cover rotates, now there are two kinds of situations, one is that the projection of enclosing cover does not snap in the middle of the gap of inner cap, enclosing cover and inner cap do relative motion, inner cap is not outwarded winding, two is that the projection of enclosing cover has snapped in the middle of the gap of inner cap, projection contacts with the dip plane of the screens block of inner cap, because children do not apply a downward power when opening, screens block rotates along dip plane rises, do not promote inner cap to unscrew, inner cap is not still outwarded winding, avoid child tobacco tar bottle and the danger eaten tobacco tar by mistake and produce.When closing tobacco tar bottle, user's rotary outer cover applies a downward power simultaneously, the projection of enclosing cover is snapped in the middle of the gap of inner cap, and contacts with the right-angle surface of screens block, directly promotes screens block, then screws inner cap, closes tobacco tar bottle.

The dip plane of the screens block of the utility model tobacco tar bottle and the angled acute angle of the plane at place, inner cap top, it carries on the back the direction unscrewed towards inner cap relative to right-angle surface, this angle is more than or equal to 30 °, is less than or equal to 60 °.If this angle is less than 30 °, so user need apply a larger power downwards when opening inner cap, and the projection of enclosing cover just can be made not rise on dip plane, thus fails and open tobacco tar bottle.If this angle is greater than 60 °, when children open tobacco tar bottle, only need apply small power, projection can be made to promote the screens block of inner cap, thus open tobacco tar bottle, produce dangerous.The scope arranging this angle is laborsaving and to child safety in order to make user open tobacco tar bottle.

[accompanying drawing explanation]

Fig. 1 is the perspective view of the utility model tobacco tar bottle.

Fig. 2 is the spatial structure exploded perspective view of the utility model tobacco tar bottle, and it comprises a bottle and an enclosing cover.

Fig. 3 is the structure for amplifying schematic diagram at III place in Fig. 2.

Fig. 4 is the detonation configuration cutaway view of the bottle in Fig. 2.

Fig. 5 is the perspective view of the inner cap of the utility model tobacco tar bottle.

Fig. 6 be Fig. 5 along VI-VI cutaway view.

Fig. 7 be enclosing cover in Fig. 2 look up structural representation.

Fig. 8 is the structure cutaway view of the enclosing cover in Fig. 2.

[detailed description of the invention]

In order to make the purpose of this utility model, technical scheme and advantage are clearly understood, below in conjunction with accompanying drawing and embodiment, are further elaborated to the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.

Refer to Fig. 1 and Fig. 2, the utility model tobacco tar bottle 10 comprises bottle 11, inner cap 13 and an enclosing cover 15.This inner cap 13 is contained in enclosing cover 15 inner space, and inner cap 13 is connected with bottle 11 screw-type.

Refer to Fig. 3 and Fig. 4, this bottle 11 comprises body 111, bottleneck 113 and a bottle neck 115.Body 111 is oblong box body, also can be other shapes, body 111 is the oil storage space of tobacco tar bottle 10, bottleneck 113 is integrally formed at body 111 top (in all embodiments, on, under, the position qualifiers such as left and right are only limitted to the relative position in given view, but not absolute location), it flows out for the tobacco tar of splendid attire in body 111 inside, the outer wall of bottleneck 113 is provided with an outside thread 1131, outside thread 1131 curls up in bottleneck 113 outer wall, the outside thread 1131 of this bottle is divided into the first thread segment (non-label) and the second thread segment (non-label), first thread segment is positioned at the first half of outside thread 1131, account for the 80-100% of overall outside thread 1131, second thread segment is positioned at the latter half of outside thread 1131, account for the 0-20% of overall outside thread 1131, first thread segment pitch is 1.5-2.5mm, the pitch of pitch ratio first thread segment of the second thread segment is little, its pitch is 1.25-2.25mm, the little 6-10% of pitch of the pitch ratio first screw section of the second screw section, a bead 1133 is provided with in the below of the outside thread 1131 of bottleneck 113, bead 1133 is shaped in bottleneck 113.Bottle neck 115 the first half is a spout 1151, and in circular cone hollow form, its oozing for tobacco tar, the top bore of its spout 1151 is 1mm-6mm, and tobacco tar bottle 10 of the present utility model need not can inject tobacco tar to electronic cigarette by other instruments.Bottle neck 115 the latter half is cylindrical hollow shape, the first half and the latter half one-body molded, bottle neck 115 is arranged at bottleneck 113 top, its the latter half is embedded in bottleneck 113, outer wall and bottleneck 113 inwall of bottle neck 115 are close to conjunction, opposing seal between the two, makes the tobacco tar in bottle 11 only can flow out from bottle neck 151 top.This bottle neck 115 inwall is provided with the barb 1153 of multiple annular, comprise one first barb 1155 and one second barb 1157, lay respectively at middle part and the bottom of spout 1151 inwall, barb 1153 is that an annulus is protruding, and namely the first barb 1155 being positioned at top is less than the internal diameter of the second barb 1157 below it near the internal diameter of first barb 1155 at the tip place of spout 1151.The meeting extrusion bottle 11 when user opens inner cap 13 and bottle 11 under tightening state, in bottle 11, liquid can be subject to the power towards inner cap 13 direction, liquid splashes towards spout 1151 place, because spout 1151 inwall is provided with barb 1153 structure, the liquid splashed is blocked by barb 1153, which obviates user and is opening being made dirty clothes by the liquid splashed in a flash of tobacco tar bottle 10.Inner cap 13 is opened, and when tobacco tar bottle 10 is inverted (spout 1151 down), can prevent liquid from oozing.This barb 1153 can be set to one or more, and its shape is not limited to annular protrusion, and it can also be annular fence structure etc.

Refer to Fig. 5 and Fig. 6, inner cap 13 is in cylindrical hollow shape, and its inwall is provided with a negative thread 131, and this negative thread 131 matches with the outside thread 1131 of bottleneck 113, and inner cap 13 screw-type is connected to bottleneck 113.The bottom interior wall of this inner cap 13 is provided with a draw-in groove 133 near negative thread 131 end, this draw-in groove 133 comprises a cambered surface 1331 and and revolves only face 1333, this revolves only face 1333 and is parallel to the bead 1133 of bottleneck 113, this cambered surface 1331 is positioned at the inwall of inner cap 13, arise from inner cap 13 bottom, terminate in and revolve only face 1333, arranging in same tilt angle with negative thread 131 of cambered surface 1331, cambered surface 1331 height increases gradually from inner cap 13 bottom.This draw-in groove 133 holds the bead 1133 of bottleneck 113.When inner cap 13 rotates, when negative thread 131 is about to arrive bottom bottleneck 113, bead 1133 slides in inner cap 13 along cambered surface 1331, then inner cap 13 is threaded to bead 1133 and revolves only face 1333 and meet, the only face 1333 of revolving of draw-in groove 133 just sticks the bead 1133 of bottleneck 113, and inner cap 13 is stopped the rotation.The outer wall top of this inner cap 13 is provided with retaining structure (not shown), comprises a projection 135 and four screens blocks 137.This projection 135 is arranged at the top central authorities of inner cap 13, and its height is higher than screens block 137.Four screens blocks 137 are arranged round projection 135, are provided with gap 139 between each screens block 137 is mutual.This screens block 137 comprises right-angle surface 1371 and a dip plane 1373, this right-angle surface 1371 is perpendicular to the plane at this place, inner cap 13 top, this right-angle surface 1371 carries on the back the direction screwed towards inner cap 13 relative to dip plane 1373, the acute angle that this dip plane 1373 is angled with the plane at place, inner cap 13 top, it carries on the back the direction unscrewed towards inner cap 13 relative to right-angle surface 1371, this angle is more than or equal to 30 °, is less than or equal to 60 °.

Refer to Fig. 7 and Fig. 8, this enclosing cover 15 is a hollow lid, comprises snap ring 151 and a dop 153.This snap ring 151 is in standing shape, and be positioned at the bottom of this enclosing cover 15 inwall, the internal diameter of this snap ring 151 is less than the external diameter of the bottom of inner cap 13.It makes inner cap 13 be contained in enclosing cover 15 inside and can not come off.This dop 153 is positioned at the top of enclosing cover 15 inwall, a columniform space is defined between this dop 153 and snap ring 151, the height of this cylindrical space is more than or equal to the height of inner cap 13, particularly, the distance of projection 1531 bottom surface to snap ring 151 is less than or equal to the distance of screens block 137 end face bottom inner cap 13, be less than the distance of groove 1533 to snap ring 151 to the distance of projection 135 end face bottom inner cap 13, be greater than the distance of projection 1531 bottom surface to snap ring 151, inner cap 13 is contained in enclosing cover 15 can do certain activity.This dop 153 comprises a groove 1533 and four projections 1531.This groove 1533 is circular in one, and its form fit is in projection 135, and the degree of depth of groove 1533 is greater than the diff-H in inner cap 13 between projection 135 end face and screens block 137 end face, preferably equals, and the projection 135 of inner cap 13 can be contained in this.Four projections 1531 lay respectively at groove 1533 surrounding, and this projection 1531 is just contained in the middle of the gap 139 defined between the screens block 137 of inner cap 13.

This bottle 11 material does not limit, and can select dissimilar material according to institute's splendid attire cigarette oil properties.As PET (Polyethylene terephthalate polyethylene terephthalate) or PE (Polyethylene polyethylene) or PP (Polypropylene polypropylene) or PVC (polyvinyl chloride polyvinylchloride) or PS (Polystyrene polystyrene) etc., it is preferably PET material, bottle 11 is transparent, and it is convenient to the surplus that user directly can see tobacco tar.

The material of this inner cap 13 and enclosing cover 15 does not limit equally, can select dissimilar material according to institute's splendid attire cigarette oil properties.As PET (Polyethylene terephthalate polyethylene terephthalate) or PE (Polyethylene polyethylene) or PP (Polypropylene polypropylene) or PVC (polyvinyl chloride polyvinylchloride) or PS (Polystyrene polystyrene) etc., it is preferably PP material.

When user will close tobacco tar bottle 10, need slightly firmly press enclosing cover 15, the projection 1531 on enclosing cover 15 is made to snap in the middle of the gap 139 of inner cap 13, then direction rotary outer cover 15 is screwed towards enclosing cover 15, make projection 1531 act directly in the right-angle surface 1371 of screens block 137, promote screens block 137 and then make inner cap 13 rotate.The pitch of the outside thread 1131 on bottleneck 113 diminishes from top to bottom gradually, makes inner cap 13 when down rotating, and resistance becomes large gradually, and the negative thread 131 of inner cap 13 engages tightr with outside thread 1131 simultaneously.When inner cap 13 rotates to bottom bottleneck 113, the bead 1133 of bottleneck 113 is just stuck in the draw-in groove 133 of inner cap 13, inner cap 13 is stopped the rotation, now outside thread 1131 and negative thread 131 engage mutually, inner cap 13 is relative with bottle 11 fixing, avoiding user firmly excessive when tightening inner cap 13, damaging the outside thread 1131 of bottle 11.

When user will open tobacco tar bottle 10, need slightly firmly press enclosing cover 15 equally, the projection 1531 on enclosing cover 15 is made to snap in the middle of the gap 139 of inner cap 13, then direction rotary outer cover 15 is unscrewed towards enclosing cover 15, projection 1531 is made to act directly on the dip plane 1373 of screens block 137, promote the draw-in groove 133 that screens block 137 makes the bead 1133 of bottleneck 113 depart from inner cap 13 then to start to rotate, inner cap 13 rotates to after negative thread 131 and outside thread 1131 depart from, and namely opens tobacco tar bottle 10.

After tobacco tar bottle 10 is closed by user, inner cap 13 is relative with bottle 11 fixing, not easily outwarded winding, because inner cap 13 is contained in the space of enclosing cover 15 inside, as children or when not knowing that the user of the skill of opening the utility model tobacco tar bottle 10 opens tobacco tar bottle 10, in gap 139 between the screens block 137 that the projection 1531 of enclosing cover 15 does not snap in inner cap 13, therefore rotary outer cover 15 does not promote the rotation of inner cap 13, enclosing cover 15 does relative motion relative to inner cap 13, and inner cap 13 and bottle 11 keep sealing state.Therefore, in the today eating Frequent Accidents by mistake, ensure children's personal safety.

Relative to prior art, the utility model has following advantage:

The utility model tobacco tar bottle 10 comprises bottle 11 and an inner cap 13, bottle 11 is provided with an outside thread 1131, inner cap 13 is provided with a negative thread 131 mated with outside thread 1131, a bead 1133 has been wholely set below the outside thread 1131 of this bottle 11, the corresponding position of inner cap 13 is provided with a draw-in groove 133, draw-in groove 133 cooperation corresponding with bead 1133, revolves inner cap 13 and is stopped at bottle 11.The outside thread 1131 of this bottle 11 is divided into the first thread segment and the second thread segment in addition, and the first thread segment accounts for the 80-100% of overall outside thread 1131, and pitch is 1.5-2.5mm, and the second thread segment accounts for the 0-20% of overall outside thread 1131, and pitch is 1.25-2.25mm.The pitch of this outside thread 1131 is preferred range, and user is easy to carry out twisting to inner cap 13 connect, and the little 6-10% of pitch of pitch ratio first thread segment of the second thread segment, this negative thread 131 is constant worm pich.Because the pitch of the second thread segment on bottleneck 113 diminishes, the negative thread 131 of inner cap 13 is made to fasten with it tightr, the better tightness of tobacco tar bottle 10, and user is when stubborn connecing, experience the resistance increased gradually, know the bottom of inner cap 13 near bottleneck 113, naturally note twisting the power connect, avoid damaged screw, tobacco tar is leaked outside.The bottle neck inwall of this tobacco tar bottle 10 is provided with two annular barbs 1153 simultaneously, when pouring out tobacco tar, prevents the phenomenon that tobacco tar splashes.Moreover the tip aperture of the spout 1151 of this tobacco tar bottle 10 is 1mm-6mm, directly can utilize spout 1151 oiling, without the need to other instruments, convenient and practical.

Cooperation between the dop 153 of the enclosing cover 15 of the utility model tobacco tar bottle 10 and inner cap 13 screens block 137 makes children must not open tobacco tar bottle 10 easily, children are when open bottle cover, do not know to open skill, the stressed direction unscrewed to enclosing cover of projection 1531 in enclosing cover 15 rotates, now there are two kinds of situations, one is that the projection 1531 of enclosing cover 15 does not snap in the middle of the gap 139 of inner cap 13, enclosing cover 15 and inner cap 13 do relative motion, inner cap 13 is not outwarded winding, two is that the projection 1531 of enclosing cover 15 has snapped in the middle of the gap 139 of inner cap 13, projection 1531 contacts with the dip plane 1373 of the screens block 137 of inner cap 13, because children do not apply a downward power when opening, screens block 137 rises along dip plane 1373 and rotates, do not promote inner cap 13 to unscrew, inner cap 13 is not still outwarded winding, avoid child tobacco tar bottle 10 and the danger eaten tobacco tar by mistake and produce.When closing tobacco tar bottle 10, user's rotary outer cover 15 applies a downward power simultaneously, makes the projection 135 of enclosing cover 15 snap in the middle of the gap 139 of inner cap 13, and contact with the right-angle surface 1371 of screens block 137, direct promotion screens block 137, screws inner cap 13 then, closes tobacco tar bottle 10.

The acute angle that the dip plane 1373 of the screens block 137 of the utility model tobacco tar bottle 10 is angled with the plane at place, inner cap 13 top, it carries on the back the direction unscrewed towards inner cap 13 relative to right-angle surface 1371, this angle is more than or equal to 30 °, is less than or equal to 60 °.If this angle is less than 30 °, so user need apply a larger power downwards when opening inner cap 13, and the projection 1331 of enclosing cover 15 just can be made not increase along dip plane 1373, thus fails and open tobacco tar bottle 10.If this angle is greater than 60 °, when children open tobacco tar bottle 10, only need apply small power, projection 1331 can be made to promote the screens block 137 of inner cap 13, thus open tobacco tar bottle 10, produce dangerous.The scope arranging this angle is laborsaving and to child safety in order to make user open tobacco tar bottle 10.

The foregoing is only the utility model preferred embodiment, not in order to limit the present invention, all any amendments done within the utility model principle, equivalent replacement and improvement etc. all should comprise within protection domain of the present utility model.

Claims (10)

1. An e-liquid bottle, comprising a bottle body and an inner cover, the bottle body is provided with an external thread, and the inner cover is provided with an internal thread matching the external thread, it is characterized in that: the bottom of the external thread of the bottle body is integrally provided with a The corresponding position of the flange and the inner cover is provided with a card slot, and the card slot corresponds to the flange. 2. The e-liquid bottle according to claim 1, characterized in that: the clamping groove includes an arc surface and a stop surface, the stop surface is parallel to the flange, the arc surface is located on the inner wall of the inner cover, and the arc surface The side near the top of the inner cover is at the same angle of inclination as the internal thread. 3. The e-liquid bottle according to claim 1, wherein the external thread of the bottle body is divided into a first thread segment and a second thread segment, the pitch of the second thread segment is smaller than that of the first thread segment, and the pitch of the second thread segment is smaller than that of the first thread segment. Internal threads are equidistant threads. 4. The e-liquid bottle according to claim 1, characterized in that: the bottle body includes a conical hollow spout, and the inner wall of the spout is provided with one or more barbs in the form of circular protrusions or ring fence structures, the barbs The protruding direction of the hook is towards the direction of the bottle body. 5. The e-liquid bottle according to claim 4, characterized in that: the diameter of the top port of the nozzle is between 1 mm and 6 mm. 6 . The e-liquid bottle according to claim 1 , wherein the e-liquid bottle further comprises a hollow outer cover, and the bottom of the inner wall of the outer cover includes a protruding snap ring whose diameter is smaller than the outer diameter of the bottom of the inner cover. 7. The e-liquid bottle according to claim 6, characterized in that: the outer cover is provided with a clip, and the inner cover is provided with a snapping structure, and the clip fits in concave and convex with the snapping structure. 8. The e-liquid bottle according to claim 7, characterized in that: the locking structure includes a plurality of locking blocks arranged at intervals, the chuck head includes a plurality of protrusions, and the protrusions correspond to adjacent locking blocks one by one The distance between the top surface of the locking block and the bottom of the inner cover is less than or equal to the distance from the bottom surface of the protrusion to the snap ring. 9. The e-liquid bottle according to claim 8, characterized in that: the clamping structure further includes a protrusion, the chuck further comprises a groove, and the distance from the top surface of the protrusion to the bottom of the inner cover is smaller than the distance from the bottom surface of the groove to the bottom of the inner cover. snap ring distance. 10. The e-liquid bottle according to claim 8, wherein the locking block includes a right-angled surface and an inclined surface, the right-angled surface is perpendicular to the plane where the top end of the inner cover is located, and the right-angled surface is opposite to the inclined surface Towards the tightening direction of the inner cap, the inclined surface forms an acute angle with a certain angle to the plane where the top end of the inner cap is located, and its back faces the direction of unscrewing the inner cap relative to the right-angled surface.