Zipper air tightness detection tool

Abstract

The utility model discloses a zipper air tightness detection tool comprising a detection pedestal, one side of the detection pedestal is provided with an air pressure detection meter, the other side of the detection pedestal is provided with an air inlet pipe, the top of the detection pedestal is provided with a top cover, the top of the top cover is symmetrically provided with fixing members, and the fixing members comprise cooperation sleeves. The bottom of the cooperative sleeve is fixedly connected to the top of the top cover, locking parts are arranged in an inner cavity of the cooperative sleeve and the side of the cooperative sleeve, and a pressing part is arranged at the top of the cooperative sleeve; according to the utility model, the fixing members are symmetrically arranged at the top of the top cover, and a user presses the pressing part to press and unlock the inner cavity of the cooperative sleeve and the locking part at the outer side of the cooperative sleeve, so that the rapid assembly and disassembly of the detection base and the top cover are realized, and a plurality of fixing bolts are prevented from being inserted, screwed and fixed; and the mounting and dismounting time of the detection base and the top cover is reduced, and a user can conveniently carry out air tightness detection on a large batch of zippers.

Description

Technical Field

[0001] The utility model relates to the technical field of air tightness detection of zippers, in particular to an air tightness detection jig for zippers. Background Art

[0002] The air tightness test fixture of the zipper is a tool used to test the air tightness of the zipper. The air tightness test fixture of the zipper can help manufacturers ensure the quality and performance of the zipper, especially in some applications that require air tightness, such as waterproof clothing, airtight packaging, etc. It can help discover potential air tightness problems. During use, first install the zipper on the fixture and ensure that the clamping force is appropriate. Then, pressurized gas is introduced through the air inlet pipe on the side of the fixture, and the changes in the readings of the barometer set on the side of the fixture are observed to obtain the air tightness data of the zipper. The existing fixture generally uses multiple bolts to thread and intersect the upper and lower parts of the fixture, but the tightening and fixing of multiple bolts is time-consuming, which is not conducive to the operator to perform large-scale random inspections of zipper air tightness tests. In order to solve this problem, a new type of zipper air tightness test fixture is needed. Utility Model Content

[0003] The purpose of the utility model is to provide a zipper air tightness detection jig to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a zipper air tightness detection fixture, comprising a detection base, an air pressure detection gauge is arranged on one side of the detection base, an air inlet pipe is arranged on the other side of the detection base, a top cover is arranged on the top of the detection base, and a fixing component for locking the top cover is symmetrically arranged on the top of the top cover, the fixing component comprises a cooperative sleeve, the bottom of the cooperative sleeve is fixedly connected to the top of the top cover, the inner cavity of the cooperative sleeve and the side of the cooperative sleeve are both provided with locking parts, and the top of the cooperative sleeve is provided with a pressing part for pressing the locking part.

[0005] Preferably, the locking portion includes a locking sleeve, the bottom end of the locking sleeve is inserted and connected to the top cover and the top of the detection base, the top of the locking sleeve is inserted and connected with a movable rod, the bottom side of the movable rod is symmetrically provided with an insertion block, the side of the insertion block is inserted and connected to the inner wall of the locking sleeve, and the insertion block is arranged at the insertion point of the locking sleeve and the detection base.

[0006] Preferably, a pressure ring, a compression spring and a fixing ring are provided on the outer side of the movable rod and in the inner cavity of the locking sleeve. The pressure ring is arranged at the top end of the compression spring, the fixing ring is arranged at the bottom end of the compression spring, and the outer wall of the fixing ring is fixedly connected to the inner wall of the locking sleeve.

[0007] Preferably, a movable groove for inserting the insert block is provided at the outer bottom of the movable rod.

[0008] Preferably, the pressing part includes a pressing block, the bottom of which is inserted and connected to the top of the cooperative sleeve, and connecting rods are symmetrically arranged on the side of the pressing block, and one end of the connecting rod away from the pressing block is fixedly connected to the top of the movable rod on the side of the cooperative sleeve.

[0009] Preferably, the inner cavity wall of the cooperative sleeve is provided with a movable hole for the movable rod to move.

[0010] Preferably, the top of the inner cavity wall of the top cover and the top of the inner cavity wall of the detection base are both fixedly connected with a rubber ring pad for squeezing and sealing the side of the zipper.

[0011] Preferably, the input end of the air intake pipe is fixedly connected with a valve.

[0012] Technical effects and advantages of the utility model:

[0013] The utility model has fixing components symmetrically arranged on the top of the top cover. The user presses the pressing part to press and unlock the locking part of the inner cavity of the cooperative sleeve and the outer side of the cooperative sleeve, thereby realizing rapid installation and disassembly of the detection base and the top cover, avoiding the use of multiple fixing bolts for interlaced tightening and fixing, reducing the installation and disassembly time of the detection base and the top cover, and facilitating the user to perform air tightness detection on a large number of zippers. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is a cross-sectional view of the utility model as a whole.

[0016] Figure 3 It is a cross-sectional view of the fixing component of the utility model.

[0017] In the figure: 1. detection base; 2. top cover; 3. locking sleeve; 4. air pressure detection gauge; 5. cooperative sleeve; 501, movable hole; 6. pressing block; 7. connecting rod; 8. movable rod; 9. pressing ring; 10. compression spring; 11. fixing ring; 12. movable groove; 13. plug-in block; 14. rubber ring gasket; 15. intake pipe; 151, valve. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] The utility model provides Figure 1-3 The air tightness testing fixture of a zipper shown in the figure comprises a testing base 1, an air pressure testing gauge 4 is arranged on one side of the testing base 1, an air inlet pipe 15 is arranged on the other side of the testing base 1, a top cover 2 is arranged on the top of the testing base 1, and a fixing member for locking the top cover 2 is symmetrically arranged on the top of the top cover 2;

[0020] It should be noted that the detection base 1 and the top cover 2 are both in the shape of a rectangular groove block, the air pressure detection gauge 4 is connected to the inner cavity of the detection base 1, the groove of the top cover 2 is a through groove, and its top is connected to the outside world, and the top of the inner cavity wall of the top cover 2 and the top of the inner cavity wall of the detection base 1 are fixedly connected with a rubber ring pad 14 for squeezing and sealing the side of the zipper. During use, the zipper is placed on the opposite side of the rubber ring pad 14, and the detection base 1 and the top cover 2 are fixed by a fixing member. The rubber ring pad 14 prevents air leakage at the connection between the zipper and the detection base 1 and the top cover 2. The input end of the air inlet pipe 15 is fixedly connected with a valve 151, and the inner cavity of the detection base 1 and the top cover 2 is injected with gas of the required pressure. By observing the reading changes of the air pressure detection gauge 4, the air tightness result of the zipper is obtained;

[0021] Specifically, the fixing member includes a cooperative sleeve 5, the cooperative sleeve 5 is fixedly connected to the top of the top cover 2, and the inner cavity of the cooperative sleeve 5 and the side of the cooperative sleeve 5 are both provided with locking parts;

[0022] It should be noted that the cooperative sleeve 5 and the top of the top cover 2 are fixed by welding;

[0023] Specifically, the locking part includes a locking sleeve 3, the bottom end of the locking sleeve 3 is inserted and connected to the top of the top cover 2 and the detection base 1, the top of the locking sleeve 3 is inserted and connected with a movable rod 8, and the bottom side of the movable rod 8 is symmetrically provided with an insert block 13, the side of the insert block 13 is inserted and connected to the inner wall of the locking sleeve 3, and the insert block 13 is arranged at the insertion of the locking sleeve 3 and the detection base 1;

[0024] It should be noted that a cylindrical hole for the locking sleeve 3 to be inserted is provided on the top of the top cover 2, and a cylindrical groove for the locking sleeve 3 to be inserted is provided on the top of the detection base 1. The outer wall of the locking sleeve 3 and the inner wall of the cylindrical hole are bonded with glue. The diameter of the top of the inner cavity of the locking sleeve 3 is larger than the diameter of the bottom. A gradual slope is provided at the intersection of the top and the bottom. The length of the movable rod 8 is smaller than the length of the inner cavity of the locking sleeve 3. An movable groove 12 for the insertion of the plug 13 is provided on the outer bottom of the movable rod 8. The movable groove 12 is an annular groove, and the outer diameter of the top is larger than the outer diameter of the bottom. The inner wall of the inserted cylindrical groove of the detection base 1 is provided with an oblique groove for the insertion of the plug 13. The plug 13 moves in the movable groove 12, thereby realizing the locking of the locking sleeve 3 and the detection base 1.

[0025] Specifically, a pressure ring 9, a compression spring 10 and a fixing ring 11 are provided on the outer side of the movable rod 8 and in the inner cavity of the locking sleeve 3. The pressure ring 9 is provided at the top end of the compression spring 10, and the fixing ring 11 is provided at the bottom end of the compression spring 10. The outer wall of the fixing ring 11 is fixedly connected to the inner wall of the locking sleeve 3.

[0026] It should be noted that the middle part of the pressure ring 9 and the outer side of the movable rod 8 are fixed by welding, the top diameter of the pressure ring 9 is smaller than the bottom diameter, and the outer wall of the bottom is close to the inner wall of the locking sleeve 3, the outer side of the fixing ring 11 and the inner wall of the locking sleeve 3 are glued, and the movable rod 8 is rotatably connected with the middle part of the fixing ring 11. The user presses the movable rod 8 so that the movable rod 8 drives the pressure ring 9 to squeeze the compression spring 10, so that the compression spring 10 is deformed. During the pressing process of the movable rod 8, the plug 13 is at the top of the movable groove 12, and the plug 13 can be moved out of the inclined groove;

[0027] A pressing portion for pressing the locking portion is provided at the top of the cooperative sleeve 5;

[0028] Specifically, the pressing part includes a pressing block 6, the bottom of the pressing block 6 is inserted and connected to the top of the cooperative sleeve 5, and the side of the pressing block 6 is symmetrically provided with a connecting rod 7, and one end of the connecting rod 7 away from the pressing block 6 is fixedly connected to the top of the movable rod 8 on the side of the cooperative sleeve 5;

[0029] It should be noted that the pressing block 6 is a cylinder, the top diameter of which is smaller than the bottom diameter, so that the pressing block 6 is confined in the inner cavity of the cooperative sleeve 5, the connecting rod 7 and the side of the pressing block 6 are fixed by welding, the connecting rod 7 is made of aluminum alloy, and is light in texture, the connecting rod 7 and the tops of the remaining movable rods 8 are fixed by welding, and the inner cavity wall of the cooperative sleeve 5 is provided with an movable hole 501 for moving the movable rod 8, and the movable hole 501 is a rectangular hole. When the user does not press the pressing block 6, the connecting rod 7 is driven by the compression spring 10 to always contact with the top inner wall of the movable hole 501, the pressing block 6 is not connected to the movable rod 8 in the cooperative sleeve 5, and the movable rod 8 is always in close contact with the bottom of the pressing block 6 driven by the compression spring 10;

[0030] In actual use, by symmetrically arranging the fixing components on the top of the top cover 2, the user presses the pressing block 6 to press and unlock the locking parts of the inner cavity of the cooperative sleeve 5 and the outer side of the cooperative sleeve 5, that is, the movable rod 8 moves downward, and the user pulls the cooperative sleeve 5 to retract the insert block 13 into the movable groove 12, thereby unlocking the detection base 1 and the top cover 2, and placing the zipper on the opposite side of the rubber ring pad 14 between the detection base 1 and the top cover 2, and then pressing the pressing block 6 to insert the locking sleeve 3 into the cylindrical groove of the detection base 1, and releasing the pressing block 6. The compression spring 10 drives the movable rod 8 to move upward through the pressure ring 9, so that the insert block 13 is inserted into the oblique groove of the detection base 1, thereby realizing the rapid installation and disassembly of the detection base 1 and the top cover 2, avoiding the use of multiple fixing bolts for interlaced tightening and fixing, reducing the installation and disassembly time of the detection base 1 and the top cover 2, and facilitating the user to perform air tightness detection on a large number of zippers.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A zipper air tightness testing jig, comprising a testing base (1), one side of the testing base (1) is provided with an air pressure testing gauge (4), and the other side of the testing base (1) is provided with an air inlet pipe (15), characterized in that: A top cover (2) is arranged on the top of the detection base (1), and a fixing component for locking the top cover (2) is symmetrically arranged on the top of the top cover (2), and the fixing component includes a cooperative sleeve (5), the bottom of the cooperative sleeve (5) is fixedly connected to the top of the top cover (2), the inner cavity of the cooperative sleeve (5) and the side of the cooperative sleeve (5) are both provided with a locking portion, and the top of the cooperative sleeve (5) is provided with a pressing portion for pressing the locking portion.

2. A zipper air tightness detection jig according to claim 1, characterized in that: The locking portion comprises a locking sleeve (3), the bottom end of the locking sleeve (3) is inserted and connected to the top of the top cover (2) and the detection base (1), the top of the locking sleeve (3) is inserted and connected to a movable rod (8), the bottom side of the movable rod (8) is symmetrically provided with an insert block (13), the side of the insert block (13) is inserted and connected to the inner wall of the locking sleeve (3), and the insert block (13) is arranged at the insertion point between the locking sleeve (3) and the detection base (1).

3. The air tightness detection jig for a zipper according to claim 2, characterized in that: A pressure ring (9), a compression spring (10) and a fixing ring (11) are provided on the outer side of the movable rod (8) and in the inner cavity of the locking sleeve (3); the pressure ring (9) is arranged at the top end of the compression spring (10); the fixing ring (11) is arranged at the bottom end of the compression spring (10); and the outer wall of the fixing ring (11) is fixedly connected to the inner wall of the locking sleeve (3).

4. The air tightness detection jig for a zipper according to claim 3, characterized in that: The outer bottom of the movable rod (8) is provided with a movable groove (12) for inserting the insert block (13).

5. The air tightness detection jig for a zipper according to claim 2, characterized in that: The pressing portion comprises a pressing block (6), the bottom of which is inserted and connected to the top of the cooperative sleeve (5), and a connecting rod (7) is symmetrically arranged on the side of the pressing block (6), and one end of the connecting rod (7) away from the pressing block (6) is fixedly connected to the top of a movable rod (8) on the side of the cooperative sleeve (5).

6. The air tightness detection jig for a zipper according to claim 5, characterized in that: The inner cavity wall of the cooperative sleeve (5) is provided with a movable hole (501) for the movable rod (8) to move.

7. The air tightness detection jig for a zipper according to claim 1, characterized in that: The top of the inner cavity wall of the top cover (2) and the top of the inner cavity wall of the detection base (1) are both fixedly connected with a rubber ring pad (14) for squeezing and sealing the side of the zipper.

8. The air tightness detection jig for a zipper according to claim 7, characterized in that: The input end of the air inlet pipe (15) is fixedly connected to a valve (151).

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