WO2021142949A1

WO2021142949A1 - Zipper assembly and sealing bag

Info

Publication number: WO2021142949A1
Application number: PCT/CN2020/083026
Authority: WO
Inventors: 王国瑞; 刘凤玲
Original assignee: 深圳市聚亿新材料科技股份有限公司
Priority date: 2020-01-14
Filing date: 2020-04-02
Publication date: 2021-07-22
Also published as: EP4036027A4; EP4036027A1; AU2020422470A1; CN113120413A

Abstract

Disclosed are a zipper assembly and a sealing bag. The zipper assembly comprises a zipper (20) and a slider (10), wherein the slider (10) comprises an opening tongue (11), and the zipper (20) comprises two single chains (21); the inner side of each of the single chains (21) is at least provided with an upper complementary sealing part (24) and a lower complementary sealing part (25) which are arranged side by side; each upper complementary sealing part (24) comprises a first secondary hook (241) and a first primary hook (242), with the inner side of the first secondary hook (241) being provided with a first bump (243), and a first groove (244) being provided between two adjacent first bumps (243); the head (111) of the opening tongue (11) is inserted between the first secondary hook (241) and the first primary hook (242), and the left and right sides of the head (111) of the opening tongue (11) respectively abut against the first bumps (243) which are arranged opposite each other; and the slider (10) is pulled to move forwards and backwards, and the left and right sides of the head (111) of the opening tongue (11) respectively collide with the first bumps (243), such that the slider (10) makes a sound during movement thereof. The sealing bag comprises a bag body (30), the zipper assembly and a sealing rib (40). When the sealing bag is opened and closed, a special sound is made so as to achieve a prompting function, and when the sound stops, sealing is complete. The sealing effect is good, and the zipper is convenient to open and close.

Description

Zipper assembly and sealed bag

Technical field

The invention relates to the technical field of bags, in particular to a zipper assembly and a sealed bag.

Background technique

The sealed bag has the characteristics of convenient opening and good sealing effect. It is widely used in life. The existing sealed bag mainly includes a bag body, a slider and a zipper. The slider is equipped with an opening tongue. The zipper includes two parallel single chains. The chain is provided with a number of parallel hooks. When the slider slides along the zipper, the hooks on the two single chains engage with each other. The traditional sealed bag has no reminder function. When the slider slides along the zipper, it is difficult to judge whether the hooks on the two single chains are engaged with each other; at the same time, the opening tongue in the existing sealed bag either extends into the upper part of the two hooks , And do not insert between the hooks, or between the two hooks, where the opening tongue is either extended into the upper part of the two hooks and not inserted between the hooks. When the slider slides along the zipper to open the zipper, because The two hooks are tightly occluded, and the two hooks are not easily separated; and when the opening tongue is completely inserted between the two hooks, the sealing effect may not be good.

Summary of the invention

The purpose of the present invention is to solve the shortcomings of the prior art and provide a zipper assembly and a sealed bag composed of the zipper assembly.

A technical solution of the present invention:

A zipper assembly includes a zipper and a slider for opening and closing the zipper; the slider includes an opening tongue, the slider is slidably connected to the zipper, and the zipper is pressed or separated by pulling the slider, the zipper includes two Single strand; each single strand is provided with at least two side-by-side upper and lower complementary sealing parts; the upper complementary sealing part includes a first child hook and a first female hook, a first child hook and a first The female hooks are matched one by one, the inner side of the first child hook or the first female hook is provided with a first convex point, a first concave groove is provided between two adjacent first convex points, and the head of the opening tongue is inserted Between the first child hook and the first female hook, the left and right sides of the head of the opening tongue respectively resist the first convex points that are arranged oppositely, and pull the slider to move back and forth. The head of the opening tongue is left and right. The sides respectively collide with the first convex points and cross the first concave groove, so that the slider makes a sound during the movement.

A preferred solution is that the slider further includes two limit pieces and a connecting block, the two limit pieces are arranged in parallel; the opening tongue is located between the two limit pieces and is connected to the The connecting block is connected; two single chains pass through the two limit pieces and the area enclosed by the connecting block; the zipper is provided with a second bump on the outside, between two adjacent second bumps A second concave groove is provided, and the two limiting pieces of the opening tongue respectively abut against the second convex points that are arranged opposite to each other to pull the sliding block to move back and forth. The two limiting pieces of the opening tongue They collide with the second convex points respectively, and cross the second concave groove, so that the slider makes a sound during the movement.

A preferred solution is that a guide part is provided on the inner side of the top of each zipper; the tail part of the opening tongue is located in the cavity enclosed by the two guide parts and the two adjacent upper complementary sealing parts, so The inner wall of the cavity is provided with third convex points on opposite sides, a third concave groove is provided between two adjacent third convex points, and the tails of the opening tongues respectively resist the third convex points disposed oppositely, and pull The sliding block moves back and forth, and both sides of the tail of the opening tongue respectively collide with the third convex point and cross the third concave groove, so that the sliding block makes a sound during the movement.

A preferred solution is that the head and tail of the opening tongue are an integrated structure, the width of the opening tongue gradually decreases from the tail to the head, and the height of the opening tongue gradually increases from the tail to the head.

A preferred solution is that the lower complementary sealing portion includes a second child hook and a second female hook, and the second child hook and the second female hook are matched one by one; when the slider slides toward the closed end of the zipper, the first child hook Interlock with the first female hook, and the second child hook and the second female hook engage with each other; when the slider slides toward the open end of the zipper, the first child hook and the first female hook are separated from each other, and the second child hook and the second The female hooks are separated from each other.

A preferred solution is that the hooks of the first child hook and the second child hook have the same orientation, the first mother hook and the second mother hook have the same orientation, the first child hook and the first mother hook are arranged oppositely, and the second child hook and The second female hook is arranged relative to each other.

A preferred solution is that the outer side of the bottom of each single chain is provided with a slider limiting strip; the bottom inner side of the two limiting pieces is provided with a limiting block, when the slider is slidingly connected with the zipper, The slider limit bar is clamped on the inner side of the limit block and is slidably connected with the limit block.

A sealed bag includes a bag body, a sealing bone strip and a zipper assembly, the zipper assembly is arranged at the opening of the bag body, and the sealing bone strip is arranged at the opening of the bag body and located on the lower side of the zipper assembly.

A preferred solution is that the sealing bone strip includes a convex bone strip and a concave bone strip, and the convex bone strip and the concave bone strip are respectively arranged on both sides of the opening of the bag body; when the opening of the bag body is sealed, The convex bone strip and the female bone strip are tightly clamped to form a reliable seal.

A preferred solution is that the sealing bone strip includes two toothless hooks arranged side by side, the two toothless hooks are correspondingly arranged on both sides of the opening of the bag body, and the two toothless hooks are matched one by one.

Combining the above technical solutions, the present invention has the beneficial effects: the first child hook or the first female hook is provided with a first convex point, and the first convex point collides with the head of the opening tongue to emit a special sound to achieve the prompt function, and when the sound stops The time is when the seal is intact; the zipper is provided with a second bump on the outside, and the closing strip collides with the corresponding second bump to make a special sound to achieve the prompt function. When the sound stops, it is when the seal is intact; the opening tongue includes the head and The tail is located in the cavity, and the head is inserted into a pair of upper complementary sealing parts close to the cavity. When the slider slides along the zipper to open the zipper, the head cuts the upper complementary sealing part and drives the remaining lower complementary sealing parts to open. Makes the entire zipper open; when the slider slides along the zipper and closes the zipper, the tail is located in the cavity, and the head is inserted into the upper complementary sealing part, but the remaining lower complementary sealing parts are still in a mutually fastened state, so it can play a good role. At the same time, because only the head is inserted into the upper complementary sealing part, and the volume of the head is relatively small, when the slider slides along the zipper to close the zipper, the slider is located at one end of the zipper, and the upper complementary sealing part is close to the end The unfastened part is in an unfastened state, and the unfastened part has a small volume, and the rest of the upper complementary sealing part is in a fastened state; the sealing bone strip can further increase the sealing effect of the sealed bag.

The above description is only an overview of the technical solution of the present invention. In order to understand the technical means of the present invention more clearly, it can be implemented in accordance with the content of the specification, and in order to make the above and other objectives, features and advantages of the present invention more obvious and understandable. In the following, the preferred embodiments are cited in conjunction with the drawings, and the detailed description is as follows.

Description of the drawings

Figure 1 is a schematic diagram of the present invention;

Figure 2 is a perspective view of the slider in the present invention;

Figure 3 is a schematic diagram of a single strand in the present invention;

Figure 4 is a cross-sectional view of the present invention;

Figure 5 is a perspective view of the slider in the present invention;

Figure 6 is a perspective view of the opening tongue in the present invention;

Figure 7 is a cross-sectional view of the bag body and the sealing bone strip in the fourth embodiment of the present invention;

Fig. 8 is a cross-sectional view of the bag body and the sealing bone strip in the fifth embodiment of the present invention.

Detailed ways

In order to illustrate the idea and purpose of the present invention, the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

The first embodiment, as shown in FIGS. 1 to 6, a zipper assembly includes a zipper 20 and a slider 10 for opening and closing the zipper 20; the slider 10 includes an opening tongue 11, and the slider 10 is slidably connected to the zipper 20 , The zipper 20 is pressed or separated by pulling the slider 10, the zipper 20 includes two single strands 21; each single strand 21 is provided with at least two side-by-side upper complementary sealing portions 24 and lower complementary sealing portions 25 on the inside; The upper complementary sealing portion 24 includes a first child hook 241 and a first female hook 242. The first child hook 241 and the first female hook 242 are matched one by one. The first child hook 241 or the first female hook 242 is provided with a first The convex point 243, a first concave groove 244 is provided between two adjacent first convex points 243, the head 111 of the opening tongue 11 is inserted between the first sub-hook 241 and the first female hook 242, and the opening of the tongue 11 The left and right sides of the head 111 respectively resist the first convex points 243 which are arranged oppositely, and pull the slider 10 to move back and forth. The left and right sides of the head 111 of the opening tongue 11 respectively collide with the first convex points 243 and cross the first concave groove 244. , So that the slider 10 makes a sound during the movement.

As shown in Figures 1 to 6, the special structure of the first child hook 241 or the first female hook 242 is to provide a first convex point 243, and the inner side of the first child hook 241 and the first female hook 242 can both be provided with first convex points. At point 243, the first bump 243 collides with the head 111 of the special opening tongue 11 and emits a special sound to achieve the prompt function. When the sound stops, it is when the seal is intact. The fixed distance between each first bump 243 makes the sound special and dense. When the head 111 of the opening tongue 11 is pulled, the first bump 243 collides with the head 111 of the opening tongue 11 to make a sound.

As shown in Figures 1 to 6, the head 111 of the opening tongue 11 has a tapered structure, and the head 111 of the opening tongue 11 is inserted into a pair of upper complementary sealing parts 24 close to the cavity 22. When the slider 10 moves along the zipper When the zipper 20 is opened by sliding 20, the head 111 cuts the upper complementary sealing part 24 and drives the remaining lower complementary sealing part 25 to open, so that the entire zipper 20 is opened; when the slider 10 slides along the zipper 20 and closes the zipper 20, the head Although the part 111 is inserted into the upper complementary sealing part 24, the remaining lower complementary sealing parts 25 are still in a mutually fastened state, so they can play a good sealing effect. At the same time, because only the head 111 is inserted into the upper complementary sealing part 24, Moreover, the volume of the head 111 is relatively small. When the slider 10 slides along the zipper 20 to close the zipper 20, the slider 10 is located at one end of the zipper 20, and the upper complementary sealing portion 24 near the end is in an unfastened state, and The unfastened part has a small volume, and the remaining parts of the upper complementary sealing portion 24 are all in a fastened state.

As shown in Figures 1 to 6, the lower complementary sealing portion 25 includes a second child hook 251 and a second female hook 252. The second child hook 251 and the second female hook 252 are matched one by one; When the closed end slides, the first child hook 241 and the first female hook 242 engage each other, and the second child hook 251 and the second female hook 252 engage each other; when the slider 10 slides toward the open end of the zipper 20, the first child hook 241 and the first female hook 242 are separated from each other, and the second child hook 251 and the second female hook 252 are separated from each other.

As shown in Figures 1 to 6, the first child hook 241 and the second child hook 251 have the same hook orientation, the first female hook 242 and the second female hook 252 have the same hook orientation, and the first child hook 241 and the first mother hook have the same orientation. The hooks 242 are oppositely arranged, and the second sub-hook 251 and the second female hook 252 are oppositely arranged. The first sub-hook 241 and the second sub-hook 251 have the same structure, and the first female hook 242 and the second female hook 252 have the same structure.

As shown in Figures 1 to 6, the outer bottom of each single chain 21 is provided with a slider limit bar 211; the bottom inner side of the two limit plates 12 is provided with a limit block 121, when the slider 10 and the zipper 20 In the sliding connection, the slider limit bar 211 is clamped on the inner side of the limit block 121 and is slidably connected with the limit block 121. When the slider 10 and the zipper 20 are slidably connected, the slider limit bar 211 is clamped inside the limit block 121 and is slidably connected with the limit block 121. The slider limit bar 211 has a limit effect on the slider 10 and prevents the slider 10 from separating from the zipper 20.

The second embodiment, as shown in Figures 1 to 6, the difference between this embodiment and the first embodiment is that the slider 10 also includes two limiting pieces 12 and a connecting block 13, and the two limiting pieces 12 are parallel. The opening tongue 11 is located between the two limiting pieces 12 and connected to the connecting block 13; the inner sides of the two limiting pieces 12 are provided with a closing strip 122 opposite to each other, and the two single chains 21 pass through the two limiting pieces 12 And the area enclosed by the connecting block 13; the zipper 20 is provided with a second convex point 26 on the outside, a second concave groove 27 is provided between the two adjacent second convex points 26, and the two closing strips 122 of the opening tongue 11 , Respectively resist the oppositely arranged second convex points 26, pull the slider 10 to move back and forth, the closing bar 122 collides with the second convex points 26, and crosses the second concave groove 27, so that the slider 10 makes a sound during the movement. A second convex point 26 is provided on the outside of the zipper 20, and the closing strip 122 collides with the corresponding second convex point 26 to emit a special sound to achieve the prompt function. When the sound stops, it is when the seal is intact. The fixed distance between each second bump 26 makes the sound special and dense. When the head 111 of the opening tongue 11 is pulled, the second bump 26 collides with the closing bar 122 to make a sound.

The third embodiment, as shown in Figures 1 to 6, the difference between this embodiment and the first or second embodiment is: a guide 23 is provided on the inner top of each zipper 20; the tail 112 of the opening tongue 11 Located in the cavity 22 enclosed by the two guide portions 23 and the two adjacent upper complementary sealing portions 24, the inner wall of the guide portion 23 is provided with third convex points 231 on opposite sides, and the two adjacent third convex points A third concave groove 232 is provided between the points 231, and the tail 112 of the opening tongue 11 respectively abuts against the third convex points 231 disposed oppositely, and the slider 10 is pulled to move back and forth. The two sides of the opening tongue 11 are respectively connected to the third convex points 231. The collision crosses the third groove 232 and causes the slider 10 to make a sound during the movement. The special structure of the inner wall of the cavity 22 is to provide a third convex point 231. The third convex point 231 collides with the tail 112 of the special opening tongue 11 and emits a special sound to achieve the prompt function. When the sound stops, it is when the seal is intact. The fixed distance between each third bump 231 makes the sound special and dense.

As shown in Figures 1 to 6, the head 111 and tail 112 of the opening tongue 11 are an integrated structure. The width of the opening tongue 11 is gradually reduced from the tail 112 to the head 111, and the opening tongue 11 is in height from the tail 112 to the head 111. gradually increase. The opening tongue 11 includes a head 111 and a tail 112. The tail 112 is located in the cavity 22. The head 111 is inserted into a pair of upper complementary sealing portions 24 close to the cavity 22. When the slider 10 slides along the zipper 20 to open the zipper 20 , The head 111 cuts open the upper complementary sealing part 24, and drives the remaining lower complementary sealing part 25 to open, so that the entire zipper 20 is opened; when the slider 10 slides along the zipper 20 and closes the zipper 20, the tail 112 is located in the cavity 22 Although the head 111 is inserted into the upper complementary sealing part 24, the remaining lower complementary sealing parts 25 are still in a mutually fastened state, so they can play a good sealing effect. At the same time, because only the head 111 is inserted into the upper complementary sealing part 24 And the volume of the head 111 is relatively small. When the slider 10 slides along the zipper 20 to close the zipper 20, the slider 10 is located at one end of the zipper 20, and the upper complementary sealing portion 24 near the end is in an unfastened state , And the unfastened part has a small volume, and the rest of the upper complementary sealing portion 24 is in a fastened state.

As shown in FIGS. 1 to 6, the head 111 and the tail 112 are an integral structure, the width of the opening tongue 11 gradually decreases from the tail 112 to the head 111, and the height of the opening tongue 11 gradually increases from the tail 112 to the head 111. The width of the head 111 is small, and it is helpful to cut the upper complementary sealing part 24. At the same time, due to the small width of the head 111, the volume of the head 111 inserted into the upper complementary sealing part 24 is small. When the slider 10 slides to the closed end of the zipper 20 At this time, the upper complementary sealing part 24 is fastened to each other, and the lower complementary sealing part 25 is fastened to each other. Only a small part of the upper complementary sealing part 24 is separated by the head 111, and the remaining parts are fastened. The sealing function can open the zipper 20 well.

The fourth embodiment, as shown in Figures 1 to 7, a sealed bag includes a bag body 30, and also includes a sealing bone strip 40 and a zipper assembly. The zipper assembly is arranged at the opening of the bag body, and the sealing bone strip 40 is arranged at the opening of the bag body. At the opening of the bag body and located on the lower side of the zipper assembly, the sealing bone strip 40 includes a male bone strip 41 and a female bone strip 42, and the male bone strip 41 and the female bone strip 42 are respectively provided on both sides of the opening of the bag body; When the opening of the body is sealed, the convex bone strip 41 and the female bone strip 42 are tightly clamped to form a reliable seal.

As shown in Figure 7, the convex bone strip 41 has an arrow-shaped convex angle structure, and the female bone strip 42 has a hook-shaped slot. When the opening of the bag body is sealed, the convex bone strip 41 and the female bone strip 42 are tightly clamped. . The sealing bone strip 40 can further increase the sealing effect of the sealed bag.

The fifth embodiment, as shown in Figs. 1 to 6, and Fig. 8, a sealed bag includes a bag body 30, and further includes a sealing bone strip 40 and a zipper assembly. The zipper assembly is arranged at the opening of the bag body to seal the bone strip. 40 is arranged at the opening of the bag body and located on the lower side of the zipper assembly. The sealing bone strip 50 includes two toothless hooks 51 arranged side by side. The two toothless hooks 51 are correspondingly arranged on both sides of the opening of the bag body 30. The toothless hooks 51 are matched one by one; each toothless hook 51 is arranged on one side of the inner wall of the bag body 30, and the two toothless hooks 51 are arranged oppositely. When the opening of the bag body 30 is sealed, the two toothless hooks 51 The hook 51 is tightly clamped to form a reliable seal.

As shown in FIGS. 1 to 6 and 8, the toothless hooks 51 on the same side of the inner wall of the bag body 30 have the same hook directions. After the toothless hooks 51 are sealed with each other, the sealing effect of the sealed bag can be further increased.

The above are the specific embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also regarded as the present invention. The scope of protection of the invention.

Claims

A zipper assembly includes a zipper and a slider for opening and closing the zipper; the slider includes an opening tongue, the slider is slidably connected to the zipper, and the zipper is pressed or separated by pulling the slider, the zipper includes two Single strand; each single strand is provided with at least two side-by-side upper and lower complementary sealing parts; the upper complementary sealing part includes a first child hook and a first female hook, a first child hook and a first The female hooks are matched one by one, characterized in that, the inner side of the first child hook or the first female hook is provided with a first convex point, and a first concave groove is provided between two adjacent first convex points. The head of the opening tongue is inserted between the first child hook and the first female hook. The left and right sides of the head of the opening tongue respectively resist the first convex points which are arranged oppositely, and pull the slider to move back and forth. The left and right sides of the head of the tongue respectively collide with the first convex point and cross the first concave groove, so that the slider makes a sound during the movement.
The zipper assembly according to claim 1, wherein the slider further comprises two limiting pieces and a connecting block, the two limiting pieces are arranged in parallel; the opening tongue is located at the two limiting pieces Between the positioning pieces and connected to the connecting block; two single chains pass through the area enclosed by the two limiting pieces and the connecting block; the zipper is provided with second bumps on the outside, adjacent to each other A second concave groove is provided between the two second convex points, and the two limit pieces of the opening tongue respectively resist the opposite second convex points, pull the slider to move back and forth, and the opening The two limiting pieces of the tongue respectively collide with the second convex point and cross the second concave groove, so that the slider makes a sound during the movement.
The zipper assembly according to claim 1 or 2, wherein a guide part is provided on the inner side of the top of each zipper; the tail part of the opening tongue is located on the two guide parts and two adjacent upper parts. In the cavity enclosed by the complementary sealing parts, the inner wall of the guide part is provided with third convex points on opposite sides, and a third concave groove is provided between the two adjacent third convex points. On both sides of the opening tongue Respectively resist the opposed third convex points and pull the slider to move back and forth. The two sides of the opening tongue collide with the third convex points and cross the third concave groove, so that the slider is in the process of moving. Sound or vibration is produced.
The zipper assembly according to claim 3, wherein the head and tail of the opening tongue are an integral structure, the width of the opening tongue gradually decreases from the tail to the head, and the opening tongue is from the tail to the head. The height of the department gradually increased.
The zipper assembly according to claim 1, wherein the lower complementary sealing portion comprises a second child hook and a second female hook, and the second child hook and the second female hook are matched one by one; When the closed end slides, the first child hook and the first female hook engage with each other, and the second child hook and the second female hook engage with each other; when the slider slides toward the open end of the zipper, the first child hook and the first female hook engage with each other. Disengage, the second child hook and the second mother hook are separated from each other.
The zipper assembly according to claim 5, wherein the hooks of the first child hook and the second child hook have the same orientation, the first female hook and the second female hook have the same orientation, and the first child hook and the second child hook have the same orientation. A female hook is arranged oppositely, and the second child hook and the second female hook are arranged oppositely.
The zipper assembly according to claim 1, wherein each of the single chains is provided with a slider limit bar on the outer side of the bottom; the two limit plates are provided with a limit block facing the inner side of the bottom, when the slide When the block is slidably connected with the zipper, the slider limit bar is clamped on the inner side of the limit block and is slidably connected with the limit block.
A sealed bag comprising a bag body, characterized in that it further comprises a sealing bone strip and the zipper assembly according to any one of claims 1 to 7, the zipper assembly being arranged at the opening of the bag body, and the sealing bone strip It is arranged at the opening of the bag body and located on the lower side of the zipper assembly.
The zipper sealing bag according to claim 8, wherein the sealing bone strip comprises a convex bone strip and a concave bone strip, and the convex bone strip and the concave bone strip are respectively arranged on both sides of the opening of the bag body; When the opening of the bag body is sealed, the convex bone strip and the concave bone strip are tightly clamped to form a reliable seal.
The zipper sealed bag according to claim 8, wherein the sealing bone strip comprises two toothless hooks arranged side by side, and the two toothless hooks are correspondingly arranged on both sides of the opening of the bag body, and the two toothless hooks The tooth hooks are matched one by one.