Slide fastener head and sealing slide fastener

Abstract

The utility model discloses a zipper head which comprises an upper ship plate, a lower ship plate and a base core. The lower ship plate is vertically opposite to the upper ship plate, the base core is arranged between the upper ship plate and the lower ship plate, and the upper end and the lower end of the base core are connected with the upper ship plate and the lower ship plate respectively. Wherein the direction that the zipper head zips a zipper is defined to be from back to front, a protruding part guide groove is formed in the side, facing the lower ship plate, of the upper ship plate, the protruding part guide groove is located on the rear side of the base core and extends in the front-back direction, and the rear end of the protruding part guide groove extends and penetrates through the rear end of the upper ship plate. The zipper head is suitable for the sealing zipper with the protruding parts on the sealing bodies on the zipper teeth, and the operation smoothness can be improved. The utility model further discloses a sealing zipper with the zipper puller.

Description

Technical Field

[0001] The utility model relates to a zipper, in particular to a zipper head and a sealed zipper. Background Art

[0002] The existing sealed zipper includes two zipper tapes. The zipper tapes are provided with teeth, and the zipper tapes are provided with a sealing body covering the teeth. After the zipper is zipped up, the sealing bodies of the two zipper tapes abut against each other to form a seal for the teeth. In some existing sealed zippers, there are raised portions protruding upwards on the side where the sealing bodies are close to each other. The boat plate of the zipper head directly presses against the raised portions, and when the zipper head is pulled, it is not smooth enough, affecting the smoothness of operation. Summary of the Utility Model

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. For this purpose, the utility model provides a zipper head applicable to a sealed zipper with a raised portion on the sealing body of the teeth, which can improve the smoothness of operation.

[0004] The utility model also provides a sealed zipper with the above-mentioned zipper head.

[0005] The zipper head according to the first aspect embodiment of the utility model includes: an upper boat plate; a lower boat plate, which is opposite to the upper boat plate up and down; a base core, which is arranged between the upper boat plate and the lower boat plate, and the upper and lower ends of the base core are respectively connected to the upper boat plate and the lower boat plate; wherein, defining the direction of zipping up the zipper by the zipper head as from back to front, a raised portion guide groove is formed on the side of the upper boat plate facing the lower boat plate, the raised portion guide groove is located at the rear side of the base core, the raised portion guide groove extends in the front-back direction, and the rear end of the raised portion guide groove extends through the rear end of the upper boat plate.

[0006] The zipper head according to the embodiment of the utility model has at least the following beneficial effects: the above-mentioned zipper head can cooperate with the raised portion of the sealing body of the zipper through the raised portion guide groove. The raised portion guide groove can guide the raised portion, and the raised portion can slide along the raised portion guide groove, thereby improving the smoothness when the zipper head zips up the zipper. In addition, the raised portion can be positioned left and right through the raised portion guide groove, so as to better regularize the alignment of the sealing bodies and improve the quality of zipping and sealing.

[0007] According to some embodiments of the utility model, the zipper head has a tooth guiding area, a tooth gathering area and a tooth meshing area, the tooth guiding area, the tooth gathering area and the tooth meshing area are arranged in sequence from front to back, the base core corresponds to the tooth guiding area, and the raised portion guide groove corresponds to the tooth meshing area.

[0008] According to some embodiments of the present utility model, an upper root is provided on the side of the upper ship plate facing the lower ship plate. The upper root is a rib extending in the front-rear direction. The front end of the upper root is connected to the rear end of the base core. The upper root is provided corresponding to the chain tooth convergence area. A chain tooth limiting space is formed between the upper root and the lower ship plate.

[0009] According to some embodiments of the present utility model, a lower root is provided on the side of the lower ship plate facing the upper ship plate. The lower root is a rib extending in the front-rear direction. The upper root and the lower root are vertically opposite to each other. The chain tooth limiting space is formed between the upper root and the lower root.

[0010] According to some embodiments of the present utility model, the front end of the raised part guide groove is flush with the rear end of the upper root or the distance difference is less than or equal to two millimeters.

[0011] According to some embodiments of the present utility model, a first reinforcing rib is provided at the connection between the upper root and the base core; a second reinforcing rib is provided at the connection between the lower root and the base core.

[0012] According to some embodiments of the present utility model, the raised part guide groove includes a left groove and a right groove. The left groove and the right groove are arranged side by side left and right. The left groove and the right groove are separated by an intermediate rib.

[0013] The sealed zipper according to the second aspect embodiments of the present utility model includes: two zipper tapes. The zipper tape includes a base tape and chain teeth provided on the base tape; the zipper head according to the first aspect embodiments of the present utility model. The zipper head is movably arranged on the zipper tape; two sealing bodies are respectively arranged on the two zipper tapes. The sealing body covers the chain teeth of the corresponding zipper tape. Wherein, when the chain teeth of the two zipper tapes are engaged, the two sealing bodies are in contact with each other. An upwardly protruding raised part is provided on the upper end surface of the side where the two sealing bodies are close to each other. The raised part guide groove of the zipper head is adapted to the raised part of the sealing body. The raised part is arranged in the raised part guide groove and can slide relative to it along the raised part guide groove.

[0014] The sealed zipper according to the embodiments of the present utility model has at least the following beneficial effects: Since the zipper head according to the first aspect embodiments of the present utility model is adopted, the smoothness when the zipper head is zipped can be improved.

[0015] According to some embodiments of the present utility model, it further includes an upper stop structure. The upper stop structure connects the two zipper tapes. When the zipper head and the upper stop structure cooperate, the upper shipboard and the lower shipboard are in sealing cooperation with the upper stop structure. The upper stop structure includes a main body portion and limiting portions extending from the left and right sides of the main body portion. The main body portion is adapted to the outer contour shapes of the upper shipboard and the lower shipboard, and the limiting portions are used to limit the zipper head.

[0016] According to some embodiments of the present utility model, the upper stop structure is provided with a receiving cavity for receiving the base core and the upper root. The receiving cavity includes a base core receiving position adapted to the shape of the base core and an upper root receiving position adapted to the shape of the upper root.

[0017] The additional aspects and advantages of the present utility model will be partly given in the following description, partly will become obvious from the following description, or will be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

[0019] Figure 1 is a front view of the sealing zipper according to the embodiment of the present utility model;

[0020] Figure 2 is Figure 1 a rear view of the shown zipper head;

[0021] Figure 3 is Figure 2 an enlarged schematic view at B in;

[0022] Figure 4 is Figure 1 a cross-sectional view in the A-A direction of the shown structure;

[0023] Figure 5 is Figure 4 an enlarged schematic view at C of;

[0024] Figure 6 is Figure 1 a left view of the shown zipper head;

[0025] Figure 7 is Figure 6 a cross-sectional view in the D-D direction of the shown structure;

[0026] Figure 8 is Figure 6 a cross-sectional view in the E-E direction of the shown structure.

[0027] Reference numerals:

[0028] Zipper tape 1, base tape 11, teeth 12;

[0029] Zipper puller 2;

[0030] Sealing body 3, raised portion 31;

[0031] Top stop structure 4, main body portion 41, limiting portion 42, accommodation cavity 43, base core accommodation position 44, upper root accommodation position 45;

[0032] Upper boat plate 100, raised portion guide groove 110, upper root 120, left groove 111, right groove 112, middle rib 113;

[0033] Lower boat plate 200, lower root 210;

[0034] Base core 300;

[0035] Tooth guiding area 410, tooth converging area 420, tooth meshing area 430;

[0036] First reinforcing rib 510, second reinforcing rib 520. Detailed implementation mode

[0037] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present utility model, and should not be construed as a limitation to the present utility model.

[0038] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as up, down, front, back, left, right, etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0039] In the description of the present utility model, the meaning of several is one or more, the meaning of multiple is more than two, greater than, less than, exceeding, etc. are understood as not including the present number, and above, below, within, etc. are understood as including the present number. If the first and second are described, it is only for the purpose of distinguishing technical features and should not be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0040] In the description of the present utility model, unless otherwise clearly defined, terms such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present utility model in combination with the specific content of the technical solution.

[0041] Referring to Figure 1 , the sealed zipper includes zipper tapes 1, a slider 2, and a sealing body 3. There are two zipper tapes 1. The zipper tape 1 includes a base tape 11 and teeth 12 provided on the base tape 11. The slider 2 is movably provided on the zipper tape 1. Two sealing bodies 3 are provided and are respectively provided on the two zipper tapes 1 one by one. The sealing body 3 covers the teeth 12 of the corresponding zipper tape 1. Wherein, when the teeth 12 of the two zipper tapes 1 are engaged, the two sealing bodies 3 are in mutual abutment, and a raised portion 31 protruding upward is provided on the upper end surface of the side where the two sealing bodies 3 are close to each other.

[0042] Referring to Figures 2 to 3 , the slider 2 includes an upper deck 100, a lower deck 200, and a base core 300. The lower deck 200 is opposite to the upper deck 100 up and down. The base core 300 is provided between the upper deck 100 and the lower deck 200, and the upper and lower ends of the base core 300 are respectively connected to the upper deck 100 and the lower deck 200. Wherein, defining the direction in which the slider 2 zips up the zipper as from back to front, a raised portion guide groove 110 is provided on the side of the upper deck 100 facing the lower deck 200. The raised portion guide groove 110 is located at the rear side of the base core 300. The raised portion guide groove 110 extends in the front-back direction, and the rear end of the raised portion guide groove 110 extends through the rear end of the upper deck 100.

[0043] Referring to Figure 4 and Figure 5 , the raised portion 31 is provided in the raised portion guide groove 110 and can slide relative to it along the raised portion guide groove 110.

[0044] The above-mentioned slider 2 can cooperate with the raised portion 31 of the sealing body 3 of the zipper through the raised portion guide groove 110. The raised portion guide groove 110 can guide the raised portion 31, and the raised portion 31 can slide along the raised portion guide groove 110, thereby improving the smoothness when the slider 2 zips up the zipper. In addition, the raised portion 31 can also be positioned left and right through the raised portion guide groove 110, so as to better regularize the alignment of the sealing body 3 and improve the quality of zipping and sealing.

[0045] Referring to Figure 6 , Figure 7 and Figure 8, the slider 2 has a tooth guiding area 410, a tooth gathering area 420, and a tooth meshing area 430. The tooth guiding area 410, the tooth gathering area 420, and the tooth meshing area 430 are arranged in sequence from front to back. The base core 300 is provided corresponding to the tooth guiding area 410, and the raised part guide groove 110 is provided corresponding to the tooth meshing area 430. In an embodiment, it can be understood that the tooth guiding area 410 is used to guide the two separated zipper tapes 1, the tooth gathering area 420 is used to gather the two zipper tapes 1 so that the teeth 12 start to mesh, and the teeth 12 in the tooth meshing area 430 are completely meshed. With the above structure, the raised part guide groove 110 takes effect after the teeth 12 are meshed. After the teeth 12 are meshed, the sealing bodies 3 are aligned, and the cooperation with the raised part guide groove 110 is stable and smooth.

[0046] In an embodiment, an upper root 120 is provided on one side of the upper deck 100 facing the lower deck 200. The upper root 120 is a convex strip extending in the front-rear direction. The front end of the upper root 120 is connected to the rear end of the base core 300. The upper root 120 is provided corresponding to the tooth gathering area 420. A tooth limiting space is formed between the upper root 120 and the lower deck 200. With the above structure, the teeth 12 can be pressed and limited by the upper root 120 to prevent the teeth 12 from bursting when meshing.

[0047] In an embodiment, a lower root 210 is provided on one side of the lower deck 200 facing the upper deck 100. The lower root 210 is a convex strip extending in the front-rear direction. The upper root 120 and the lower root 210 are opposite to each other up and down. The tooth limiting space is formed between the upper root 120 and the lower root 210. The lower root 210 is used to cooperate with the upper root 120 to limit the teeth. The lower root 210 is a protruding convex strip, and the cooperation with the teeth 12 is smooth.

[0048] In an embodiment, the front end of the raised part guide groove 110 is flush with the rear end of the upper root 120. With the above structure, the functions of the upper root 120 and the raised part guide groove 110 are compactly connected and have little mutual influence. In some embodiments, the front end of the raised part guide groove 110 and the rear end of the upper root 120 may not be perfectly aligned, allowing a deviation of plus or minus two millimeters. Of course, it can be imagined that in some embodiments, the relative position between the front end of the raised part guide groove 110 and the rear end of the upper root 120 is not limited to the above embodiments, and those skilled in the art can set it specifically according to the actual situation.

[0049] In an embodiment, a first reinforcing rib 510 is provided at the connection between the upper root 120 and the base core 300, and a second reinforcing rib 520 is provided at the connection between the lower root 210 and the base core 300. With the above structure, the structural strength of the upper root 120 and the lower root 210 can be improved, and the possibility of their fracture can be reduced.

[0050] In an embodiment, the raised portion guide groove 110 includes a left groove 111 and a right groove 112. The left groove 111 and the right groove 112 are arranged side by side left and right, and are separated by an intermediate rib 113. With the above structure, a sealing zipper similar to a camel hump structure is formed at the mating portion of the two seals 3. The left groove 111 can cooperate with the raised portion 31 of the left seal 3, and the right groove 112 can cooperate with the raised portion 31 of the right seal 3. The intermediate rib 113 can be inserted between the raised portions 31 of the two seals 3, so that the cooperation degree is better. The intermediate rib 113 can also play a role in limiting and positioning, making the zipper closure more accurate and tight. Of course, it can be imagined that in some embodiments, the raised portion guide groove 110 can also be a complete groove without being divided into two parts, and can be specifically configured according to actual situations.

[0051] In an embodiment, the raised portion guide groove 110 of the zipper head 2 is adapted to the raised portion 31 of the seal 3, so that the cooperation degree between the two is good.

[0052] In an embodiment, it further includes an upper stop structure 4. The upper stop structure 4 connects the two zipper tapes 1. When the zipper head 2 cooperates with the upper stop structure 4, the upper shipboard 100 and the lower shipboard 200 are hermetically cooperated with the upper stop structure 4. The upper stop structure 4 includes a main body portion 41 and limiting portions 42 extending from the left and right sides of the main body portion 41. The main body portion 41 is adapted to the outer contour shapes of the upper shipboard 100 and the lower shipboard 200, and the limiting portions 42 are used to limit the zipper head 2. With the above structure, the main body portion 41 of the upper stop structure 4 except the limiting portions 42 is adapted to the outer contour shapes of the upper shipboard 100 and the lower shipboard 200, so that the cooperation degree therebetween is better and the product is regular.

[0053] In an embodiment, the upper stop structure 4 is provided with a receiving cavity 43 for receiving the base core 300 and the upper root 120. The receiving cavity 43 includes a base core receiving position 44 adapted to the shape of the base core 300 and an upper root receiving position 45 adapted to the shape of the upper root 120. With the above structure, the matching degree between the receiving cavity 43, the base core 300 and the upper root 120 is good.

[0054] The technical features of the above embodiments can be combined arbitrarily. For the sake of concise description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0055] The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the gist of the present invention.

Claims

1. A zipper head, characterized in that: include: Boarding board (100); A lower shipboard (200) is vertically opposite to the upper shipboard (100); A base core (300) is arranged between the upper ship board (100) and the lower ship board (200), and the upper and lower ends of the base core (300) are respectively connected to the upper ship board (100) and the lower ship board (200); The direction of the zipper head for closing and pulling the zipper is defined as from back to front, a raised portion guide groove (110) is provided on the side of the upper deck (100) facing the lower deck (200), the raised portion guide groove (110) is located on the rear side of the base core (300), the raised portion guide groove (110) extends in the front-to-back direction, and the rear end of the raised portion guide groove (110) extends through the rear end of the upper deck (100).

2. The zipper slider according to claim 1, characterized in that: The zipper head comprises a sprocket introduction area (410), a sprocket gathering area (420) and a sprocket meshing area (430), wherein the sprocket introduction area (410), the sprocket gathering area (420) and the sprocket meshing area (430) are arranged in sequence from front to back, the base core (300) is arranged corresponding to the sprocket introduction area (410), and the raised portion guide groove (110) is arranged corresponding to the sprocket meshing area (430).

3. The zipper slider according to claim 2, characterized in that: An upper root (120) is provided on the side of the upper plate (100) facing the lower plate (200), and the upper root (120) is a convex strip extending in the front-to-back direction. The front end of the upper root (120) is connected to the rear end of the base core (300). The upper root (120) is provided corresponding to the chain tooth gathering area (420), and a chain tooth limiting space is formed between the upper root (120) and the lower plate (200).

4. The zipper slider according to claim 3, characterized in that: A lower root (210) is provided on the side of the lower board (200) facing the upper board (100), and the lower root (210) is a convex strip extending in the front-to-back direction. The upper root (120) and the lower root (210) are opposite to each other in vertical direction, and the chain tooth limiting space is formed between the upper root (120) and the lower root (210).

5. The zipper slider according to claim 3, characterized in that: The front end of the raised portion guide groove (110) is flush with the rear end of the upper root (120), or the distance difference is less than or equal to two millimeters.

6. The zipper slider according to claim 4, characterized in that: A first reinforcing rib (510) is provided at a connection point between the upper root (120) and the base core (300); and a second reinforcing rib (520) is provided at a connection point between the lower root (210) and the base core (300).

7. The zipper slider according to claim 1, characterized in that: The raised portion guide groove (110) comprises a left groove (111) and a right groove (112), the left groove (111) and the right groove (112) are arranged side by side on the left and right, and the left groove (111) and the right groove (112) are separated by a middle convex strip (113).

8. A sealed zipper, characterized in that: include: Two zipper tapes (1), the zipper tapes (1) comprising a base tape (11) and chain teeth (12) arranged on the base tape (11); The zipper head (2) according to any one of claims 1 to 7, wherein the zipper head (2) is movably arranged on the zipper tape (1); Two sealing bodies (3) are arranged on the two zipper tapes (1) in a one-to-one correspondence, and the sealing bodies (3) cover the corresponding chain teeth (12) of the zipper tapes (1); When the sprocket teeth (12) of the two zipper tapes (1) are meshed, the two sealing bodies (3) abut against each other, and the upper end surfaces of the two sealing bodies (3) on the sides close to each other are provided with a raised portion (31) protruding upward, and the raised portion guide groove (110) of the zipper head (2) is adapted to the raised portion (31) of the sealing body (3), and the raised portion (31) is arranged in the raised portion guide groove (110) and can slide relative to the raised portion guide groove (110) along the raised portion guide groove (110).

9. The sealing zipper according to claim 8, characterized in that: It also includes an upper stop structure (4), wherein the upper stop structure (4) connects the two zipper tapes (1); when the zipper head (2) and the upper stop structure (4) cooperate, the upper ship plate (100) and the lower ship plate (200) are sealed and cooperate with the upper stop structure (4); the upper stop structure (4) includes a main body (41) and a limiting part (42) extending from the left and right sides of the main body (41); the main body (41) is adapted to the outer contour shape of the upper ship plate (100) and the lower ship plate (200); and the limiting part (42) is used to limit the zipper head (2).

10. A sealed zipper, characterized in that: include: Two zipper tapes (1), the zipper tapes (1) comprising a base tape (11) and chain teeth (12) arranged on the base tape (11); The zipper head (2) according to any one of claims 3 to 6, wherein the zipper head (2) is movably arranged on the zipper tape (1); Two sealing bodies (3) are arranged on the two zipper tapes (1) in a one-to-one correspondence, and the sealing bodies (3) cover the corresponding chain teeth (12) of the zipper tapes (1); An upper stop structure (4), wherein the upper stop structure (4) connects the two zipper tapes (1), and when the zipper head (2) and the upper stop structure (4) cooperate, the upper ship board (100) and the lower ship board (200) cooperate with the upper stop structure (4) in a sealing manner; Wherein, when the sprocket teeth (12) of the two zipper tapes (1) are meshed, the two sealing bodies (3) abut against each other, and the upper end surfaces of the two sealing bodies (3) on the sides close to each other are provided with a raised portion (31) protruding upward, and the raised portion guide groove (110) of the zipper head (2) is adapted to the raised portion (31) of the sealing body (3), and the raised portion (31) is arranged in the raised portion guide groove (110) and can slide relative to the raised portion guide groove (110); the upper stop structure (4) is provided with a receiving cavity (43) for receiving the base core (300) and the upper root (120), and the receiving cavity (43) includes a base core receiving position (44) adapted to the shape of the base core (300) and an upper root receiving position (45) adapted to the shape of the upper root (120).

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