CN210353485U

CN210353485U - Lower stop block of open-end zipper

Info

Publication number: CN210353485U
Application number: CN201920476165.4U
Authority: CN
Inventors: 徐金福
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-04-21
Anticipated expiration: 2029-04-10

Abstract

The utility model discloses a cut end square under tail zip fastener, including the square, the band rib groove has been seted up to square one side, and the band opening has been seted up to band rib groove side, and the band opening left and right sides's band rib inslot wall is main clamping face, and main clamping face lower extreme is provided with the chucking recess. The lower stopper can clamp the band rib and simultaneously has a larger effective clamping area, so that a better fixing effect is obtained.

Description

Lower stop block of open-end zipper

Technical Field

The utility model relates to a zipper, in particular to a lower stop block of a separating zipper.

Background

The zipper is generally composed of two cloth belts, a lower stop, a plug pin, an upper stop, a slider and zipper teeth. The cloth belt comprises a belt rib arranged on the inner side, and the square block, the bolt, the sprocket and the upper stop are clamped on the chain rib. The lower ends are positioned at two ends of the sprocket and limit the pulling head. The lower end is provided with a band groove, and the lower end is fixed at one end of the cloth belt through the band groove to block the zipper head, so that the zipper head is prevented from being separated from the end part of the cloth belt. In the use, the bottom stop can receive the effect of force along strap length direction, in addition, the bottom stop still can receive the effect of force along strap width direction, consequently has certain requirement to the firmness of bottom stop fixed.

The side edge of the existing lower stop block ribbed groove is provided with a longitudinal belt loading opening, and both sides of the belt loading opening are oppositely provided with covered edges, so that the section of the ribbed groove is C-shaped. When the lower stopping block is fixed with the cloth belt, the band rib is positioned in the band rib groove, then the band rib groove is extruded to be subjected to plastic deformation, the front side and the rear side of the band rib groove are main clamping surfaces and used for clamping the band rib, the lower stopping block is limited to slide along the length direction of the cloth belt, the edge is clamped on the two sides of the cloth belt, the band rib is limited in the band rib groove, and the band rib is horizontally separated from the limiting block. In the same case, the larger the clamping surface between the main clamping surface and the band, the more firmly the hold-down between the lower stop and the band.

Chinese patent No. 201010617434.8 discloses a square block and a latch block for a slide fastener opening, wherein a first guide groove of an inverted V shape is provided in a guide body of the square block, a second guide groove of the V shape penetrating through a block seat is provided in the block seat, the first guide groove and the second guide groove are connected into a whole to form a fourth guide groove of the V shape on both side inner walls, and a minimum distance is formed between the fourth guide grooves 6 of the V shape on both side inner walls. Although this square can be at minimum interval department chucking lacing wire, first guiding groove upper end and second guiding groove lower extreme opening are great, lead to first guiding groove upper end and second guiding groove lower extreme when pressing and can not press from both sides tight lacing wire well, influence the tight degree of clamp between main clamping face and the lacing wire.

Chinese patent No. 201210300659.X discloses a lower stop for a slide fastener, which is used for a closed end slide fastener, but not for an open end slide fastener. Wherein, the inner part of the opening at two sides of the H-shaped clamp block is provided with a bulge for clamping the cloth belt. The arrangement of the protrusions can achieve a good clamping effect at the protrusions, but the ribs cannot be well clamped between the two opposite main clamping surfaces, and the fixing effect of the lower stop is affected.

SUMMERY OF THE UTILITY MODEL

To the deficiency that prior art exists, the utility model aims to provide a lower end block of separating zipper still has great effective clamping area when can the chucking lacing wire to obtain better fixed effect.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a lower end block of open-end zipper, includes the square, and square one side has seted up the band groove, and the band groove side has seted up the dress and has taken the mouth, and the band groove inner wall of the band groove of the dress mouth left and right sides is main clamping face, and main clamping face lower extreme is provided with the chucking recess.

Through above-mentioned technical scheme, the chucking recess is less than main clamping face, and when pressing and taking the muscle groove, main clamping face extrudees the area muscle for the area muscle takes place to deform and flattens, and the area muscle is pressed from both sides tightly between two main clamping faces. And the part of the band rib which is not clamped by the main clamping surface is not deformed, so that the section shape of the band rib at the junction of the main clamping surface and the clamping groove is suddenly changed, and the band rib which is not clamped can be clamped in the clamping groove. Therefore, a better clamping effect can be obtained under the condition that the clamping effect of the main clamping surface is not influenced, and the lower stopping block of the separating zipper is better fixed on the cloth belt.

Preferably, the clamping grooves are formed below the main clamping surface on one side, or one clamping groove is formed below each of the two main clamping surfaces.

Through above-mentioned technical scheme, the quantity of chucking recess can be one and set up in one of them owner clamping face below, also can all set up a chucking recess below two chucking recesses to carry out the chucking in the both sides of taking the muscle jointly to the muscle.

Preferably, the taping opening is provided with a covered edge, and the covered edge is positioned outside the ribbed groove.

Through above-mentioned technical scheme, when the one side of having offered the lacing wire groove at the other side piece extrudeed, bordure and close together in opposite directions, press from both sides tightly in the strap both sides, will take the muscle restriction in the lacing wire groove, prevent to end down and take the muscle to take off the lacing wire groove when receiving the effect of horizontal direction's power.

Preferably, the section of the ribbed slot is trapezoidal or square.

Through the technical scheme, the section of the ribbed groove is trapezoidal, and one end of the wider ribbed groove is close to the belt loading opening, so that the belt rib can be conveniently loaded into the ribbed groove. Then, when extruding the belted steel groove outside, the belted steel groove outside is close to in opposite directions, and the belted steel groove cross sectional shape changes, and the distance that the belted steel groove is close to dress tape opening one side reduces gradually to extrude the belted steel, compress tightly the belted steel.

Preferably, the upper end of the square block is provided with a wrapping leaf, and the ribbed groove penetrates through the wrapping leaf.

Preferably, the other side of the block is provided with a latch groove.

Preferably, the top surface of the clamping groove is an upper wall of the groove, and the upper wall of the groove is perpendicular to the main clamping surface.

Through above-mentioned technical scheme, the recess upper wall is perpendicular with main clamping face for the abrupt change can take place for band rib cross sectional shape in this department, thereby produces stronger clamping stagnation power, when stopping the motion to strap below, the recess upper wall can the chucking band rib. Meanwhile, a relatively sharp acute angle cannot be formed between the upper wall of the groove and the main clamping surface, so that one edge of the upper wall of the groove, which is intersected with the main clamping surface, is clamped into the band rib when the lower stop moves downwards, and the band rib is cut off.

Preferably, the top surface of the dice is a blocking surface, and the distance from the upper wall of the groove to the bottom surface of the dice is smaller than the distance from the bottom surface of the dice to the blocking surface.

Through the technical scheme, the thickness of the wall outside the ribbed groove in the square block is larger than that of the leaf wrapping position. Corresponding chucking recess sets up in the square block, and overall structure intensity is higher, and the tight effect of clamp that produces is better.

Compared with the prior art, the beneficial effects of the utility model are that: set up the chucking recess in the lower extreme of main clamping face or upper end for the band muscle can enough be pressed from both sides tightly by main clamping face, also can be by the chucking of chucking recess chucking simultaneously, thereby makes to go up to end or end down can be fixed on the band muscle better.

Drawings

FIG. 1 is a schematic structural view of a cloth belt;

FIG. 2 is a perspective view of the embodiment;

FIG. 3 is a bottom view of the embodiment;

FIG. 4 is a perspective view of the embodiment in half section;

FIG. 5 is a top view of the embodiment;

FIG. 6 is a reference diagram of the usage status of the embodiment.

Reference numerals: 1. a square block; 2. a ribbed groove; 3. loading a tape port; 4. a primary clamping surface; 5. clamping the groove; 6. edge covering; 7. wrapping leaves; 8. a latch slot; 9. the upper wall of the groove; 10. a blocking surface; 11. a bottom surface of the square block; 12. carrying out ribbing; 13. a cloth belt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

As shown in figures 2 and 3, the lower stop block of the open-end zipper comprises a block 1 and a wrapping leaf 7 arranged on one side of the top surface of the block 1, wherein the block 1 and the wrapping leaf 7 are processed in an integrated die casting mode. One side of the square block 1, which is provided with the wrapping leaf 7, is provided with a ribbed groove 2, and the ribbed groove 2 longitudinally penetrates through the wrapping leaf 7 and the square block 1. The side of the ribbed groove 2 is provided with a belt loading opening 3, and a cloth belt 13 and a belt rib 12 are loaded into the ribbed groove 2 from the side. The inner walls of the ribbed grooves 2 at the left side and the right side of the tape loading port 3 are main clamping surfaces 4, and the lower ends of the main clamping surfaces 4 are provided with clamping grooves 5.

The lower ends of the two main clamping surfaces 4 are respectively provided with a clamping groove 5. The clamping grooves 5 respectively clamp the band ribs 12 from two sides of the band ribs 12. The distance between two side surfaces of the two clamping grooves 5 parallel to the main clamping surfaces 4 is greater than the distance between the two main clamping surfaces 4. After the cloth belt 13 is installed, the two sides of the belt installing opening 3 are extruded, the distance between the two main clamping surfaces 4 is reduced, the belt rib 12 between the two main clamping surfaces 4 is extruded, and the section shape of the belt rib 12 is changed. At the same time, because the distance between two parallel side surfaces of the clamping groove 5 and the main clamping surface 4 is greater than the distance between the two main clamping surfaces 4, the side surfaces of the clamping groove 5 do not extrude the ribbon 12, and the section of the ribbon 12 in the clamping groove 5 is not greatly changed. The cross-sectional shape of the ribs 12 is abrupt at the main clamping surface 4 and the clamping groove 5. The top surface of the clamping groove 5 is a groove upper wall 9, one section of the band rib 12 which is not extruded and deformed is positioned below the groove upper wall 9, one section of the band rib 12 which is extruded and deformed is positioned above the groove upper wall 9, when the square 1 is under the action of downward force, the clamping stagnation of the groove upper wall 9 and the band rib 12 which is not deformed in the cross section is generated, the square 1 is clamped and fixed at the position, and therefore better firmness is obtained.

The groove upper wall 9 is perpendicular to the main clamping face 4, so that a better clamping effect is obtained, a relatively sharp angle is formed due to the fact that the included angle between the groove upper wall 9 and the main clamping face 4 is too small, the upper wall 9 of the groove cannot cut off the band rib 12 when having a downward movement trend, and meanwhile, the clamping effect cannot be influenced due to the fact that the included angle is too large and the section shape of the band rib 12 cannot have a large sudden change.

And edge covers 6 are arranged on two sides of the belt loading opening 3, and the edge covers 6 are arranged at the position in an integrated die-casting mode. Two bordures 6 and set up in opposite directions, and the lacing wire groove 2 is in bordure 6 inboards, and when 2 fixed lacing wires 12 in extrusion lacing wire groove, two bordures 6 that set up in opposite directions compress tightly on strap 13 surface to in 2 with the lacing wire 12 restriction lacing wire grooves, the further reinforcing end and the bonding strength between the lacing wire 12, prevent to end down and deviate from lacing wire 12 along the horizontal direction.

The section of the ribbed groove 2 is trapezoidal, and the width of one side of the ribbed groove 2 close to the belt loading port 3 is larger than that of the other side of the ribbed groove 2. The section of the belt rib groove 2 is provided with a belt rib 12 which can be conveniently arranged in the belt rib groove 2, when the outer side of the belt rib groove 2 is compressed, the width of the belt rib groove 2 close to one side of the belt installing port 3 is reduced, so that the belt rib 12 is tightly clamped between two main clamping surfaces 4 of the belt rib groove 2, the binding edge 6 is positioned on the outer side of the belt rib 12, and the belt rib is limited in the belt rib groove 2.

The top surface of the square 1 is a blocking surface 10 which is used for abutting against the lower end of the pull head to limit the position of the pull head and prevent the pull head from being separated from the lower end of the cloth belt 13. The distance from the upper wall 9 of the groove to the bottom surface of the square 1 is smaller than the distance from the bottom surface of the square 1 to the stop surface 10, so that the clamping groove 5 is always positioned in the square 1. The outer side wall thickness of the ribbed groove 2 in the square 1 is larger than the outer side wall thickness of the ribbed groove 2 in the wrapping leaf 7, the clamping groove 5 is formed in the square 1, on one hand, the length of the clamping groove 5 can be limited, the length of the main clamping surface 4 is guaranteed, on the other hand, the wall thickness of the wrapping leaf 7 is small, and the structural strength of the wrapping leaf 7 can be influenced after the clamping groove 5 is formed in the wrapping leaf. The distance of the upper groove wall 9 from the bottom of the block 1 is typically between approximately one third and one half of the distance from the bottom of the block 1 to the top of the block 1, so as to ensure that the primary clamping surface 4 is able to grip the ribs 12 well.

The other side of the rib groove 2 in the square 1 is also provided with a bolt groove 8, the bolt groove 8 can be matched with a bolt to limit the position of the bolt, and the zipper can be smoothly closed.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. The utility model provides a lower ending square of open tail zip fastener, includes square (1), has seted up belted rib groove (2) on one side of square (1), and belted rib groove (2) side has seted up dress area mouth (3), and the belted rib groove (2) inner wall of dress area mouth (3) left and right sides is main clamping face (4), characterized by: the lower end of the main clamping surface (4) is provided with a clamping groove (5).

2. The lower stopping block of the separating zipper according to claim 1, wherein: the clamping grooves (5) are arranged below the main clamping surfaces (4) on one side, or one clamping groove (5) is arranged below each of the two main clamping surfaces (4).

3. The lower stopping block of the separating zipper according to claim 1, wherein: and a wrapping edge (6) is arranged at the belt loading opening (3), and the wrapping edge (6) is positioned at the outer side of the belt rib groove (2).

4. The lower stopping block of the separating zipper according to claim 3, wherein: the section of the ribbed groove (2) is trapezoidal or square.

5. The lower stopping block of the separating zipper according to claim 1, wherein: the upper end of the square block (1) is provided with a wrapping leaf (7), and the ribbed groove (2) penetrates through the wrapping leaf (7).

6. The lower stopping block of the separating zipper according to claim 1, wherein: the other side of the square block (1) is provided with a pin slot (8).

7. The lower stopping block of the separating zipper according to claim 1, wherein: the top surface of the clamping groove (5) is a groove upper wall (9), and the groove upper wall (9) is vertical to the main clamping surface (4).

8. The lower stopping block of the separating zipper according to claim 7, wherein: the top surface of the square block (1) is a blocking surface (10), and the distance from the upper wall (9) of the groove to the bottom surface of the square block (1) is less than the distance from the bottom surface of the square block (1) to the blocking surface (10).