WO2020073320A1 - Heating device and electronic cigarette - Google Patents

Abstract

A heating device and an electronic cigarette. The heating device is used for heating the cartridge of an electronic cigarette, and comprises a heating element (1) and a support member (2) used for supporting the heating member (1). The heating element (1) and the support member (2) are integrally formed. The heating element (1) and the support member (2) are integrally formed, and therefore, there is no assembly gap therebetween, thereby avoiding the impact on the normal operation of the electronic cigarette due to leakage of the e-liquid generated by heating the cartridge to the interior of the electronic cigarette.

Description

Heating device and electronic cigarette Technical field

The invention belongs to the technical field of electronic cigarettes, and particularly relates to a heating device and an electronic cigarette.

Background technique

Electronic cigarettes are mainly used to quit smoking and replace cigarettes. They are generally composed of three parts: a smoke bomb, a heating device, and a battery. The heat-generating device heats the smoke bombs through battery power to generate mist for the user to smoke.

technical problem

Existing heating devices are generally composed of a heating element and a support, and the heating element and the support are assembled together in a detachable manner. After the assembly is completed, there is a gap between the heating element and the electronic cigarette, so that the smoke oil generated by the smoke bomb during the heating process will leak into the electronic cigarette through the gap, resulting in the failure and influence of the electronic cigarette circuit It works fine.

Technical solution

The technical problem to be solved by the present invention is to provide a heating device and an electronic cigarette in view of the technical problem that the existing heating body and the support have gaps after assembly, thereby causing the smoke oil to leak into the electronic cigarette and affect its normal operation .

To solve the above technical problems, on the one hand, an embodiment of the present invention provides a heating device for heating a cartridge of an electronic cigarette, including a heating element and a supporting member for supporting the heating element, the heating element and the The support is integrally formed.

Optionally, the support member is wrapped around the heat generating body, and at least a part of the heat generating body is exposed outside the support member.

Optionally, a first electrical connector and a second electrical connector are provided on the heating element, the first electrical connector and the second electrical connector are electrically connected to the heating element, and the first electrical connection The component and the second electrical connector are both electrically connected to an external power source and used to supply power to the heating element.

Optionally, the heating element includes an exposed portion and a covered portion, the exposed portion is exposed outside the support, the covered portion is wrapped in the support, and the first electrical connection One end and one end of the second electrical connector are wrapped in the support, and the other end of the first electrical connector and the other end of the second electrical connector are exposed outside the support to power the external power supply connection.

Optionally, the heating temperature of the heating element ranges from 260 ° C to 320 ° C, and the supporting member bears a temperature greater than 320 ° C.

Optionally, the supporting member includes a supporting body, a connecting portion and a first clamping structure, the supporting body includes a large-diameter section and a small-diameter section connecting the large-diameter section, the large-diameter section and the small-diameter section A step is formed at the connection, the connection portion and the first clamping structure are connected to the bottom of the small diameter section, the first clamping structure includes hooks symmetrically distributed on both sides of the connection portion, the card The hook includes a hook body and a hook arm disposed at the bottom of the hook body and facing away from the connecting portion.

Optionally, the lower end surface of the hook arm is an inclined surface inclined upward.

Optionally, protrusions are provided on both sides of the connecting portion facing the hook, and a space is formed between the protrusion and the hook.

Optionally, the heating element is a heating sheet or a heating rod or a heating wire.

Optionally, the heating element is a ceramic heating element or a graphite heating element.

Optionally, the support member is a plastic member.

On the other hand, an embodiment of the present invention also provides an electronic cigarette, including a fixing bracket and the above-mentioned heating device, the fixing bracket is provided with a second clamping structure, and the fixing bracket is realized by the second clamping structure It is fixedly connected with the heating device.

Optionally, a through hole is provided on the top of the fixing bracket, and the fixing bracket is formed with a first groove, a second groove, a third groove and a fourth groove evenly distributed along the circumferential direction of the through hole Groove, the opening of the first groove, the opening of the second groove, the opening of the third groove, and the opening of the fourth groove are connected in sequence and all communicate with the through hole, the through hole, the first The groove, the second groove, the third groove and the fourth groove are enclosed to form a cross-shaped chamber.

Optionally, the supporting member includes a supporting body, a connecting portion and a first clamping structure, the supporting body includes a large-diameter section and a small-diameter section connecting the large-diameter section, the large-diameter section and the small-diameter section A step is formed at the connection, the connection portion and the first clamping structure are connected to the bottom of the small diameter section, the first clamping structure includes hooks symmetrically distributed on both sides of the connection portion, the card The hook includes a hook body and a hook arm disposed at the bottom of the hook body and facing away from the connecting portion, and the second clamping structure includes a bottom portion disposed at the bottom of the first groove and facing the third recess A buckle protruding from the groove, and a buckle provided at the bottom of the third groove and protruding toward the first groove, and the buckle is attached to the step at the upper end surface of the fixing bracket And snap-fit with the hook arm to fix the support in the chamber.

Beneficial effect

The implementation of the embodiments of the present invention will have the following beneficial effects:

In the heating device of the embodiment of the present invention, the heating body and the support are integrally formed, so there will be no assembly gap between the two, so as to avoid the leakage of the smoke oil generated by the heated smoke bomb into the electronic cigarette and affecting its normal operation . In addition, the fixing bracket is provided with a second clamping structure, so that the fixing structure and the heating device can be fixedly connected through the second clamping structure, so that the heating device will not shake during the process of heating the smoke bomb and affect its heating effect .

BRIEF DESCRIPTION

In order to more clearly explain the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required in the embodiments or the description of the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, without paying any creative labor, other drawings can be obtained based on these drawings.

among them:

FIG. 1 is a schematic diagram of a heating device in an embodiment;

2 is a schematic diagram of a fixing bracket in an embodiment;

3 is a schematic diagram of the assembly of the heating device and the fixing bracket in one embodiment;

4 is a cross-sectional view of an assembly of a heating device and a fixing bracket in an embodiment;

FIG. 5 is an enlarged view at A in FIG. 4.

The reference signs in the description are as follows:

1. Heating element; 11. Exposed part;

2. Support; 21, support body; 211, large-diameter section; 212, small-diameter section; 213, step; 22, connecting portion; 221, protrusion; 23, first clamping structure; 231, hook; 2311 Hook body; 2312, hook arm; 2313, inclined surface; 24, giving way space;

3. The first electrical connector;

4. The second electrical connector;

5. Fixing bracket; 51, second clamping structure; 511, hook; 52, through hole; 53, first groove; 54, second groove; 55, third groove; 56, fourth groove ; 57, the chamber.

Embodiments of the invention

The technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present invention.

As shown in FIGS. 1 to 5, an embodiment of the present invention provides a heating device and an electronic cigarette. The electronic cigarette includes a fixing bracket 5 and a heating device. The fixing bracket 5 is provided with a second clamping structure 51. The fixing bracket 5 is fixedly connected to the heating device through the second clamping structure 51. Wherein, the heating device is used to heat the cartridge of the electronic cigarette, and includes a heating body 1 and a support 2 for supporting the heating body 1, the heating body 1 and the support 2 are integrally formed.

In the heating device of the embodiment of the present invention, the heating element 1 and the support 2 are integrally formed, so there is no assembly gap between the two, so that the smoke oil generated by the heated smoke bomb can be prevented from leaking into the electronic cigarette and affecting it normal work. In addition, the fixing bracket 5 is provided with a second clamping structure 51, so that the fixing bracket 5 and the heating device can be fixedly connected through the second clamping structure 51, so that the heating device will not shake during the process of heating the smoke bomb Affect the heating effect.

In one embodiment, the support 2 is wrapped around the heating element 1, and at least a part of the heating element 1 is exposed outside the support 2. In this way, the portion of the heating element 1 exposed outside the support 2 can heat the cartridge.

In an embodiment, as shown in FIG. 1, the heating body 1 is provided with a first electrical connector 3 and a second electrical connector 4, the first electrical connector 3 and the second electrical connector 4 are The heating element 1 is electrically connected, and both the first electrical connector 3 and the second electrical connector 4 are electrically connected to an external power source, and are used to supply power to the heating element 1. The heating element 1, the first electrical connecting piece 3 and the second electrical connecting piece 4 and the external power supply form a closed loop, which is used to heat the cartridge of the electronic cigarette.

In one embodiment, as shown in FIGS. 3 and 4, the heating element 1 includes an exposed portion 11 and a covering portion (not shown), the exposed portion 11 is exposed outside the support 2, The covering part (not shown in the figure) is wrapped in the supporting member 2, and one end of the first electrical connecting member 3 and one end of the second electrical connecting member 4 are wrapped in the supporting member 2 , The other end of the first electrical connector 3 and the other end of the second electrical connector 4 are exposed outside the support member 2 to be electrically connected to an external power source. The first electrical connector 3 and the second electrical connector 4 can be fixed on the heating body 1 by welding. One end of the first electrical connector 3 and one end of the second electrical connector 4 are wrapped in the support member 2, so that the heating element 1 can be connected to the first electrical connector 3 and the second electrical connector 4 It is more stable, and the connection between them will not be exposed to air, avoiding the problem of line failure due to external air oxidation.

In an embodiment, the heating temperature of the heating element 1 ranges from 260 ° C to 320 ° C, and the supporting member 2 has a withstand temperature greater than 320 ° C. When the heating temperature of the heating element 1 is lower than 260 ° C, it may cause insufficient heating of the smoke bomb and insufficient amount of smoke generated, which may affect the mouthfeel of smoking. When the heating temperature of the heating element 1 is greater than 320 ° C, it may cause the scorch of the smoke bomb to affect the mouthfeel of smoking. The withstand temperature of the support 2 is greater than 320 ° C to prevent it from being deformed during heating of the heating element 1.

In an embodiment, as shown in FIG. 2, a through hole 52 is provided on the top of the fixing bracket 5, and a first groove 53 uniformly distributed along the circumference of the through hole 52 is formed on the fixing bracket 5. The second groove 54, the third groove 55 and the fourth groove 56, the opening of the first groove 53, the opening of the second groove 54, the opening of the third groove 55 and the fourth groove 56 The openings are connected in sequence and all communicate with the through hole 52, the through hole 52, the first groove 53, the second groove 54, the third groove 55 and the fourth groove 56 are enclosed to form a cross-shaped cavity Room 57.

In one embodiment, as shown in FIGS. 2, 4 and 5, the support 2 includes a support body 21, a connecting portion 22 and a first clamping structure 23. The support body 21 includes a large diameter section 211 and A small-diameter section 212 connecting the large-diameter section 211, the large-diameter section 211 and the small-diameter section 212 form a step 213 at the connection, the connecting portion 22 and the first clamping structure 23 are connected to the small-diameter section At the bottom of 212, the first clamping structure 23 includes hooks 231 distributed symmetrically on both sides of the connecting portion 22, the hook 231 includes a hook body 2311 and a bottom portion of the hook body 2311 and The hook arm 2312 facing away from the connecting portion 22, the second clamping structure 51 includes a hook 511 disposed at the bottom of the first groove 53 and protruding toward the third groove 55, and disposed at A hook 511 protruding toward the first groove 53 at the bottom of the third groove 55, the hook 511 is in contact with the The hook arm 2312 is snap-fitted to fix the support 2 in the chamber 57. The snap connection of the snap hook 511 and the hook arm 2312 can realize the stable connection of the heating device and the fixed bracket 5. This snap structure is simple in design and easy to operate. In addition, when the heating device is clamped and fixed with the fixing bracket 5, the step 213 on the support 2 closely fits the upper surface of the fixing bracket 5, which can further prevent the smoke oil from entering the electronic cigarette and affecting its normal operation.

In one embodiment, as shown in FIGS. 1, 4 and 5, the lower end surface of the hook arm 2312 is an inclined surface 2313 that slopes upward, so that during the process of inserting the heating device downward into the fixed bracket 5 The hook arm 2312 contacts the clasp 511 through the inclined surface 2313. When the hook arm 2312 slides down, the clasp 511 is pressed by the inclined surface 2313 and spreads outward, which is beneficial to complete the engagement between the support 2 and the fixed bracket 5.

In one embodiment, as shown in FIGS. 1, 4 and 5, the connecting portion 22 is provided with protrusions 221 on both sides facing the hook 231, the protrusion 221 and the hook 231 A yield space 24 is formed therebetween, which can provide a receiving space for the deformation of the hook arm 2312 when it engages with the clasp 511.

In one embodiment, as shown in FIG. 1, the heating element 1 is a heating sheet. Of course, in other embodiments, the heating element 1 may also be a heating rod or a heating wire.

In one embodiment, the heating element 1 is a ceramic heating element, which has good thermal conductivity, which is conducive to ensuring uniform heat transfer during the heating of the smoke bomb. Of course, in other embodiments, the heating element 1 may also be a graphite heating element.

In an embodiment, the supporting member 2 is a plastic member, which has good heat resistance, has no harmful substance emission in a high-temperature environment for a long time, and has excellent mechanical strength. For example, the support 2 may be made of PEEK (polyetheretherketone).

The above disclosure is only preferred embodiments of the present invention, and of course it cannot be used to limit the scope of the present invention. Therefore, equivalent changes made according to the claims of the present invention still fall within the scope of the present invention.

Claims (14)

A heat-generating device is used for heating a cartridge of an electronic cigarette. The heat-generating device is characterized in that it includes a heat-generating body and a support member for supporting the heat-generating body. The heat-generating body and the support member are integrally formed. The heat generating device according to claim 1, wherein the support member is wrapped around the heat generating body, and at least a part of the heat generating body is exposed outside the support member. The heating device according to claim 1, wherein the heating element is provided with a first electrical connection member and a second electrical connection member, the first electrical connection member and the second electrical connection member and the heat generation The body is electrically connected, and the first electrical connection piece and the second electrical connection piece are both electrically connected to an external power source and used to supply power to the heating body. The heating device according to claim 3, wherein the heating element includes an exposed portion and a covering portion, the exposed portion is exposed outside the support, and the covering portion is wrapped around the support Inside, one end of the first electrical connector and one end of the second electrical connector are wrapped in the support, the other end of the first electrical connector and the other end of the second electrical connector are exposed to the The support member is electrically connected to the external power supply. The heat-generating device according to claim 3, wherein the heating temperature of the heat-generating body ranges from 260 ° C to 320 ° C, and the withstand temperature of the support member is greater than 320 ° C. The heat-generating device according to claim 1, wherein the support member includes a support body, a connecting portion and a first clamping structure, the support body includes a large-diameter section and a small-diameter section connecting the large-diameter section, A step is formed at the connection between the large-diameter section and the small-diameter section, the connection portion and the first clamping structure are connected to the bottom of the small-diameter section, and the first clamping structure includes a symmetrical distribution on the connection The hooks on both sides of the part, the hook includes a hook body and a hook arm disposed at the bottom of the hook body and facing away from the connecting part. The heat generating device according to claim 6, wherein the lower end surface of the hook arm is an inclined surface inclined upward. The heat-generating device according to claim 6, wherein the connecting portion is provided with protrusions on both sides facing the hook, and a space is formed between the protrusion and the hook. The heating device according to claim 1, wherein the heating element is a heating sheet, a heating rod or a heating wire. The heating device according to claim 1, wherein the heating element is a ceramic heating element or a graphite heating element. The heat generating device according to claim 1, wherein the support member is a plastic member. An electronic cigarette, characterized by comprising a fixing bracket and the heating device according to any one of claims 1-11, a second clamping structure is provided on the fixing bracket, and the fixing bracket passes through the second card The connection structure realizes a fixed connection with the heating device. The electronic cigarette according to claim 12, wherein the top of the fixing bracket is provided with a through hole, and the fixing bracket is formed with a first groove and a second recess uniformly distributed along the circumference of the through hole A groove, a third groove, and a fourth groove, the openings of the first groove, the openings of the second groove, the openings of the third groove, and the openings of the fourth groove are sequentially connected and are all in contact with the The holes are connected, and the through hole, the first groove, the second groove, the third groove, and the fourth groove are enclosed to form a cross-shaped chamber. The electronic cigarette according to claim 13, wherein the supporting member comprises a supporting body, a connecting portion and a first clamping structure, the supporting body comprises a large diameter section and a small diameter section connecting the large diameter section, A step is formed at the connection between the large-diameter section and the small-diameter section, the connection portion and the first clamping structure are connected to the bottom of the small-diameter section, and the first clamping structure includes a symmetrical distribution on the connection Hooks on both sides of the part, the hooks include a hook body and a hook arm disposed at the bottom of the hook body and facing away from the connecting portion, the second clamping structure includes a first recess A hook protruding toward the third groove at the bottom of the groove and a clasp provided at the bottom of the third groove and protruding toward the first groove, the hook being fixed at the The upper end surface of the bracket is snap-fitted with the hook arm when the step is fit, so that the support member is fixed in the cavity.