TWI834522B - Head cover device with anti-outflow effect - Google Patents

Abstract

A head cover device with anti-outflow effect includes a cover unit and a buffer unit. The cover unit includes a cover member which is annular and suitable for being inserted into a tube head of a tubular package. The cover member includes a socket adapted for inserting the tube head, and a cover opening opposite to the socket. The buffer unit is made of elastically deformable material and is located between the socket and the cover. The buffer unit is annular and extends inward from the inner peripheral surface of the cover member to define an outlet. The outlet is suitable for passage of a content contained in the tubular package. The buffer unit of the invention can deform when the content overflows from the nozzle of the tube head, thereby keeping the content in the invention without flowing out.

Description

Head cover device with anti-outflow effect

The present invention relates to daily necessities, and in particular to a head cover device with outflow prevention effect suitable for aluminum tube packaging.

Tubular packaging is common in daily life, such as aluminum tube packaging such as toothpaste or ointment. Because aluminum has high strength and is not easily deformed, when filling and manufacturing the tubular package, based on Boyle's law, the existing gas inside the tubular package will be compressed, resulting in a smaller volume and an increase in pressure. In this way, when the tubular package is unpacked and used, the high pressure inside the tube tends to balance with the outside world. Therefore, when the tubular package is used, especially when it is opened for the first time or when the tube is opened again after being flattened and squeezed. , it is easy for the contents to overflow, thereby contaminating the use environment or causing problems that affect the quality of the contents, which needs to be improved.

The object of the present invention is to improve at least one of the disadvantages of the prior art.

The head cover device with anti-outflow effect of the present invention is suitable for use with a tubular package. The tubular package includes a tube tip. The tube head includes a tube opening adapted for passage of a content. The head cover device with anti-outflow effect includes a cover unit and a buffer unit.

The cover unit includes a cover member that is annular and suitable for being inserted into the pipe head. The cover member includes a socket adapted for inserting the tube head, and a cover opening opposite to the socket. The buffer unit is made of elastically deformable material. It is located between the socket and the cover. It is annular and extends inward from the inner peripheral surface of the cover to define an outlet. The outlet is suitable for the passage of the contents.

The effect of the present invention is that the buffer unit is made of elastically deformable material and can deform when the content is about to overflow, thereby increasing the holding capacity and is suitable for the content that will overflow when the lid is opened. Remain in it without flowing out.

Referring to Figures 1 and 2, one embodiment of the head cover device with anti-outflow effect of the present invention is suitable for use with a tubular package 1. In this embodiment, the tubular packaging 1 is made of aluminum.

The tubular package 1 is suitable for containing a content 2 and includes a tube body 11 containing the content 2, a tube body 11 connected to the tube body 11 and suitable for the content 2 to be squeezed out of the tubular package 1. The pipe head 12 comes out, and a sealing film 13 is provided on the pipe head 12. The content 2 is, for example, ointment, but it can also be toothpaste or other types of content 2 .

The outer surface of the tube head 12 is formed with external threads, and the tube head 12 extends axially to have a head length L11, and the tube head 12 includes a sealing film that is suitable for allowing the content 2 to pass through but is sealed in Figure 2 13 Sealed nozzle 121.

This embodiment includes a cover unit 3 suitable for being installed on the tube head 12, a buffer unit 4 and a puncture unit 5 provided in the cover unit 3, and an openable cover provided on the cover unit 3. Cover unit 6 on cover unit 3.

The cover unit 3 includes a cover member 31 suitable for being inserted into the tube head 12 , and an annular unsealing ring 32 disposed at the bottom end of the cover member 31 .

The cover member 31 is in the shape of a cylinder that penetrates axially up and down and defines a central axis A11 (see Figure 2). The cover member 31 includes a tube head 12 suitable for being screwed onto the tubular package 1. There is a threaded collar portion 33 on the cover body, and a cover ring portion 34 integrally connected to the top of the threaded collar portion 33 and provided for the covering unit 6 to be provided.

The inner circumferential surface of the threaded collar portion 33 is formed with internal threads, and is suitable for being threaded onto the outside of the tube head 12 of the tubular package 1 . The threaded collar portion 33 extends axially to have a sleeve length L12 , and a bottom end of the threaded collar portion 33 defines a socket 331 suitable for the tube head 12 to be inserted.

The top end of the cover ring 34 defines a cover opening 341 that can be covered and closed by the cover unit 6 and is opposite to the socket 331 .

The unsealing ring 32 extends from the bottom end of the thread ring portion 33 of the cover member 31 in a direction opposite to the cover ring portion 34 and the cover opening 341, and has a ring height T11. The sum of the height T11 of the ring body and the length L12 of the sleeve body is approximately equal to the length L11 of the head. The unsealing ring 32 includes a plurality of first connection points 321 for connecting to the threaded collar portion 33 . Through the first connection points 321 , the sealing ring 32 can be peeled off from the bottom end of the threaded ring portion 33 , thereby being separated from the cover member 31 .

The buffer unit 4 is located between the socket 331 and the cover 341 and is in a circular shape. The outer edge of the buffer unit 4 is connected to the inner side of the cover ring portion 34 of the cover member 31 and is spaced apart from the threaded collar portion 33 . The buffer unit 4 extends inwardly from the inner peripheral surface of the cover ring portion 34 , and the inner peripheral edge of the buffer unit 4 defines a central outlet 41 . The outlet 41 is suitable for the passage of the content 2 . The buffer unit 4 is made of elastically deformable material, specifically made of silicone. In other embodiments of the present invention, the buffer unit 4 can also be made of low-density polyethylene (LDPE).

The puncture unit 5 is located between the buffer unit 4 and the socket 331 . When used with the tubular package 1, it is located between the buffer unit 4 and the tube opening 121/sealing film 13. The piercing unit 5 includes a support member 51 extending inwardly from the inner peripheral surface of the cover ring portion 34 of the cover member 31 , and a support member 51 extending toward the thread ring portion 33 and the socket 331 . The diaphragm stamping member 52 and a swinging member 53 extend transversely from the inner circumferential surface of the cover ring portion 34 toward the support member 51 .

The support member 51 is in the shape of a semicircle and is spaced apart from the thread ring portion 33 . The support member 51 has an arcuate first arc connecting the inner circumferential surface of the cover ring portion 34 of the cover member 31 . side 511, and a first chord side 512 abutting the swinging member 53. The supporting member 51 is used to support the membrane-stamping member 52 so that the membrane-stamping member 52 is suitable for puncturing the sealing film 13 .

The film-piercing member 52 is conical in shape and is suitable for puncturing the sealing film 13 . The position of the film stamping member 52 is deviated from the central axis A11 in the radial direction. Specifically, the diaphragm 52 is spaced apart from the central axis A11 in the radial direction. A first distance D11 between the diaphragm member 52 and the thread ring portion 33 is less than the ring body height T11 of the unsealing ring 32 . In addition, since the sum of the length L12 of the sleeve body of the screw collar 33 and the height T11 of the ring body of the unsealing ring 32 is approximately equal to the head length L11 of the tube head 12, the film stamping member 52 and the A second distance D12 of the sealing film 13 is also smaller than the ring body height T11.

The swinging member 53 is in the shape of a semicircle and includes a second arc 531 partially connected to the inner peripheral surface of the cover member 31 and the cover ring 34 , and a second chord abutting the support member 51 . Side 532. Specifically, the second arch edge 531 is connected to the cover member 31 through a second connection point 533 (see FIG. 2 ), thereby allowing the swing member 53 to swing relative to the cover member 31 and the support member 51 . It is suitable for the content 2 to pass through the puncture unit 5 .

The cover unit 6 includes a cover member 61 connected to the cover member 31 and capable of being opened or closed relative to the cover member 31 of the cover unit 3 , and a cover member 61 protruding downward from the bottom surface of the cover member 61 and located at The resisting member 62 is between the covering member 61 and the buffer unit 4 .

The cover 61 is disk-shaped, and one side thereof is connected to the top of the cover ring 34 of the cover 31 and can pivot relative to the cover 31 to be opened or closed to close the cover ring. The cover 341 of the part 34.

The resisting member 62 includes a cone-shaped cone portion 621 spaced apart from the covering member 61 , and a cylindrical column portion 622 extending between the covering member 61 and the cone portion 621 .

Referring to Figures 1 to 3, this embodiment can be sold separately as shown in Figure 1, or can be pre-installed on the tubular package 1 as shown in Figure 2. When using the tubular package 1, the unsealing ring 32 of the cover unit 3 needs to be peeled off first, and then the cover member 31 is screwed so that the cover member 31 moves relative to the tubular package 1 toward the end of the tubular package 1. The tube body 11 moves and drives the film-stamping member 52 of the puncture unit 5 to move toward the sealing film 13 of the tubular package 1 , so that the film-stamping member 52 pierces the sealing film 13 , and the transition from Figure 2 to The state shown in Figure 3. When the cover member 31 is rotated, the film-punching member 52 will be driven to move in the arc direction, so the film-punching member 52 can poke the sealing film 13 to a much larger size as shown in FIG. 3 . The film opening 131 is equal to the width of the film stamping member 52 .

Referring to Figures 1, 3, and 4, the covering unit 6 of this embodiment can be changed between an open state as shown in Figure 4 and a closed state as shown in Figure 3.

In the open state, the covering member 61 is opened relative to the cover member 31 without closing the cover opening 341 of the cover member 31 , and the resisting member 62 is spaced apart from the outlet 41 of the buffer unit 4 . In this open state, the user can squeeze the tubular package 1 so that the content 2 contained in the tubular package 1 flows out from the tube opening 121 of the tube head 12 and the film opening 131 of the sealing film 13 .

After the user has finished using the tubular package 1, the cover member 61 is pivoted and closed toward the cover member 31, which can drive the pressing member 62 to move toward the buffer unit 4, and drive the swing during the movement. The member 53 pivots downward to contact the support member 51 to prevent the content 2 from passing through the piercing unit 5 and transform the covering unit 6 into the covering state.

In the closed state, the covering member 61 covers the cover member 31 to close the cover opening 341 , and the pressing member 62 presses the buffer unit 4 and blocks the outlet 41 of the buffer unit 4 . In this way, the content 2 can be prevented from escaping from the outlet 41 . During the process of changing from the open state to the closed state, the pressing member 62 can also push the buffer unit 4 together with the content 2 back, thereby preventing the content 2 from escaping from the outlet 41 out.

The characteristic of this embodiment is that when the film poking member 52 pierces the sealing film 13 and the internal pressure of the tubular package 1 tries to balance with the outside world and is about to cause overflow, the buffer unit 4 can deform and increase the volume, so it automatically The content 2 overflowing from the nozzle 121 will be accommodated in the buffer unit 4 and will not directly flow out from the outlet 41 of the buffer unit 4, thereby solving the problem of contaminating the use environment due to overflow at the beginning. Or cause problems that affect the quality of the content.

The function of the head cover device with anti-outflow effect of the present invention is that the buffer unit 4 is made of an elastically deformable material, and can deform when the content 2 overflows from the nozzle 121, thereby increasing the holding capacity, and thus The content 2 overflowing from the pipe opening 121 is kept therein without flowing out.

The above are only examples of the present invention and cannot be used to limit the patentable scope of the present invention. Simple equivalent changes and modifications based on the patentable scope of the present invention and the patent specification should also be included in the present invention. covered by the patent application.

1: Tube packaging 11: Take care of your body 12:Pipe head 121:Nozzle 13:Sealing film 131:Membrane mouth 2:Contents 3: Cover unit 31:Cover parts 32: Unpacking ring 321: First connection point 33: Thread collar part 331:Socket 34: Cover ring part 341: cover 4: Buffer unit 41:Export 5: Puncture unit 51:Support 511: first bow edge 512: first string edge 52: Stamping film parts 53:Swing piece 531:Second bow edge 532: Second string edge 533:Second connection point 6: Covering unit 61: Covering parts 62: Pressure-resisting parts 621: Cone part 622:Cylinder part A11: Central axis D11: first spacing D12: second distance L11: Head length L12: sleeve length T11: ring body height

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: Figure 1 is a perspective view illustrating an embodiment of the head cover device with anti-outflow effect of the present invention; Figure 2 is an incomplete cross-sectional view, illustrating that this embodiment is used with a tubular package, and that a sealing ring of this embodiment has not been peeled off; Figure 3 is an incomplete cross-sectional view illustrating that the embodiment is used with the tubular package, the unsealing ring has been peeled off, and a covering unit of the embodiment is in a closed state; and Figure 4 is an incomplete cross-sectional view illustrating that this embodiment is used with the tubular package, the unsealing ring has been peeled off, and the covering unit is in an open state.

1: Tube packaging

11: Take care of your body

12:Pipe head

121:Nozzle

13:Sealing film

2:Contents

3: Cover unit

31:Cover parts

32: Unpacking ring

321: First connection point

33: Thread collar part

331:Socket

34: Cover ring part

341: cover

4: Buffer unit

41:Export

5: Puncture unit

51:Support

511: first bow edge

512: first string edge

52: Stamping film parts

53:Swing piece

531:Second bow edge

532: Second string edge

533:Second connection point

6: Covering unit

61: Covering parts

62: Pressure-resisting parts

621: Cone part

622:Cylinder part

A11: Central axis

D11: first spacing

D12: second distance

L11: Head length

L12: sleeve length

T11: ring body height

Claims (6)

A head cover device with anti-outflow effect, suitable for use with a tubular package. The tubular package includes a tube head. The tube head includes a nozzle suitable for allowing a content to pass. The head cover device with anti-outflow effect includes : A cover unit, including an annular cover member suitable for being inserted into the pipe head, the cover member including a socket suitable for the pipe head to be inserted, and a cover opening opposite to the socket; and A buffer unit, made of elastically deformable material, is located between the socket and the cover. It is annular and extends inward from the inner peripheral surface of the cover member to define an outlet. The outlet is suitable for supplying The content passes. As for the head cover device with anti-outflow effect described in claim 1, the tubular package further includes a sealing film disposed on the tube head and sealing the tube mouth, wherein the head cover device with anti-outflow effect also includes a seal located on the tube head. The piercing unit between the buffer unit and the socket, the piercing unit includes a support member extending inward from the inner peripheral surface of the cover member, and a film-piercing member extending from the support member toward the socket, the support member The membrane-stamping member is supported so that the membrane-stamping member is adapted to pierce the sealing film, and the membrane-stamping member is spaced apart from a central axis of the cover member. The head cover device with anti-outflow effect as claimed in claim 2, wherein the puncture unit further includes a swing member extending from the inner peripheral surface of the cover member toward the support member, one side of the swing member is connected to the cover The inner peripheral surface of the body member and the other side of the swing member abut the support member. The swing member can swing relative to the cover member and the support member, thereby being suitable for allowing the content to pass through the puncture unit. The head cover device with anti-outflow effect as claimed in claim 3, further includes a covering unit, the covering unit includes a covering member connected to the cover member and capable of being opened and closed on the cover member, and a a resisting member extending from the covering member toward the outlet of the buffer unit; the covering unit can be converted between an open state and a closed state; in the open state, the covering member is opened relative to the cover member; The resisting member is spaced apart from the outlet, and the covering member is pivoted toward the cover member to cover the covering unit to the covering state. In the covering state, the covering member covers the cover. The body member covers the cover opening, the pressing member presses the buffer unit and blocks the outlet, and the swing member also contacts the support member to cover the puncture unit. The head cover device with anti-outflow effect as claimed in claim 2, wherein the cover unit further includes an annular unpacking ring extending from the cover member in a direction opposite to the cover opening. The ring can be peeled off the cover member and separated from the cover member. The head cover device with anti-outflow effect as claimed in claim 5, wherein the cover member includes a threaded collar portion suitable for being threaded onto the tube head of the tubular package and defining the socket, and a threaded ring portion defining the socket. The cover body ring portion of the cover opening, the unsealing ring has a ring body height, the support member extends inward from the inner peripheral surface of the cover body ring portion, and there is a first distance between the membrane stamping member and the screw collar portion. Not greater than the height of the ring body, so that the film-piercing member can puncture the sealing film after the seal-opening ring is peeled off.

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