CN220894105U - Stretching tool for measuring adhesive force of inflating valve of inner tube - Google Patents
Stretching tool for measuring adhesive force of inflating valve of inner tube Download PDFInfo
- Publication number
- CN220894105U CN220894105U CN202322671340.4U CN202322671340U CN220894105U CN 220894105 U CN220894105 U CN 220894105U CN 202322671340 U CN202322671340 U CN 202322671340U CN 220894105 U CN220894105 U CN 220894105U
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- CN
- China
- Prior art keywords
- stretching
- inner tube
- valve
- measuring
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000853 adhesive Substances 0.000 title claims abstract description 18
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 18
- 238000005452 bending Methods 0.000 claims description 9
- 239000000956 alloy Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims 2
- 238000009864 tensile test Methods 0.000 abstract description 3
- 239000002184 metal Substances 0.000 description 15
- 238000012360 testing method Methods 0.000 description 8
- 239000002390 adhesive tape Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000013040 rubber vulcanization Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a stretching tool for measuring the adhesive force of an inner tube inflating valve, which comprises a stretching connecting piece, a circular gasket and a fixing nut, wherein a through hole is formed in the surface of the stretching connecting piece, the circular gasket is arranged at the upper part of the through hole of the stretching connecting piece, and the fixing nut is arranged at the upper part of the circular gasket; one end of the inflating valve sequentially passes through the through holes of the stretching connecting sheet, the round gasket and the fixing nut. The problem that the valve is short and small and is inconvenient to clamp for tensile test can be solved, and the adhesive strength of the valve and the rubber pad can be tested more conveniently.
Description
Technical Field
The utility model belongs to the technical field of tensile testing devices, and particularly relates to a tensile tool for measuring the adhesive force of an inflating valve of an inner tube.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Part of the inner tube inflating valve is formed by vulcanizing and bonding a metal body and rubber; the rubber cushion inflating valve is adhered to the tyre body of the inner tyre, so that the inner tyre has the functions of inflating, sealing and deflating. The bonding performance of the valve metal body and the rubber pad is one of main performance indexes of inner tube quality control, and the bonding process of rubber vulcanization and the metal body has a physical and chemical process.
When the adhesive force of valve metal body and cushion is surveyed, the survey sample is because of valve size weak point, can't pass through powerful machine centre gripping fixing device centre gripping, and the metal valve of survey sample can produce the hindrance, and inconvenient centre gripping is tested equally, and current clamping tool can't carry out the centre gripping to the valve of size weak point, and powerful machine centre gripping fixing device also can't directly grasp the valve of size weak point.
Disclosure of utility model
Aiming at the problems, the utility model provides a stretching tool for measuring the adhesive force of an inner tube valve, which can solve the problems that the valve is short and small and is inconvenient to clamp for a stretching test, and is more convenient for testing the adhesive force strength of the valve and a rubber pad.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The stretching tool for measuring the adhesive force of the inflating valve of the inner tube comprises a stretching connecting sheet, a circular gasket and a fixing nut, wherein a through hole is formed in the surface of the stretching connecting sheet, the circular gasket is arranged at the upper part of the through hole of the stretching connecting sheet, and the fixing nut is arranged at the upper part of the circular gasket; one end of the inflating valve sequentially passes through the through holes of the stretching connecting sheet, the round gasket and the fixing nut.
Further, one end of the stretching connecting sheet is arranged to be of an arc structure, and the other end of the stretching connecting sheet is arranged to be of a bending structure.
Further, the bending angle of the bending structure of the stretching connecting sheet is 90 degrees.
Further, the stretching connecting sheet is made of alloy materials.
Further, through holes are formed in the round gaskets.
Further, the diameter of the upper surface of the circular gasket is larger than that of the lower surface.
Further, the lower surface of the circular gasket is in contact with the tensile connecting sheet.
Further, the circular gasket is made of stainless steel.
Further, the fixing nut is arranged in the through hole of the circular gasket, and the through hole is formed in the fixing nut.
Further, an internal thread is arranged in the through hole of the fixing nut, and the internal thread is matched with an external thread on the inflating valve.
Compared with the prior art, the utility model has the advantages and positive effects that:
According to the utility model, the stretching connecting piece is arranged, the inflating valve is fixed through the round gasket and the fixing nut, the stretching connecting piece is connected with the stretching connecting piece, one end of the stretching connecting piece is connected with the upper fixing device of the clamping fixing device, one end of the rubber cushion is adhered to the inflating valve, and the other end of the rubber cushion is connected with the lower fixing device of the clamping fixing device, so that the shorter inflating valve can be subjected to a stretching test, and the adhesive force strength of the inflating valve and the rubber cushion can be tested more conveniently.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is an assembled front view of the present utility model;
FIG. 2 is an assembled top view of the present utility model;
FIG. 3 is a perspective view of a tensile connecting piece of the present utility model;
FIG. 4 is a three view of a tensile tab of the utility model;
FIG. 5 is a perspective view of a gasket of the present utility model;
FIG. 6 is a three-view of a gasket of the present utility model;
FIG. 7 is a perspective view of the nut of the present utility model;
FIG. 8 is a three-view of the nut of the present utility model;
In the figure: 1. stretching the connecting sheet; 2. a circular gasket; 3. a fixed screw cap; 4. an inflating valve; 5. rubber cushion.
Detailed Description
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.
The utility model is described in detail below by referring to the drawings, and the stretching tool for measuring the air valve adhesive force of the inner tube disclosed in the embodiment comprises a stretching connecting piece 1, a circular gasket 2 and a fixing nut 3, wherein the surface of the stretching connecting piece 1 is provided with a through hole, the upper part of the through hole of the stretching connecting piece 1 is provided with the circular gasket 2, and the upper part of the circular gasket 2 is provided with the fixing nut 3; one end of the inflating valve 4 sequentially passes through the through holes of the stretching connecting sheet 1, the round gasket 2 and the fixing nut 3.
One end of the stretching connecting piece 1 is arranged into an arc structure, and the other end is arranged into a bending structure. The bending angle set by the bending structure of the tensile connecting sheet 1 is 90 degrees. The stretching connection piece 1 is made of alloy material. The circular gasket 2 is provided with a through hole. The diameter of the upper surface of the circular gasket 2 is larger than the diameter of the lower surface. The lower surface of the circular gasket 2 is in contact with the tensile tab. The circular gasket 2 is made of stainless steel. The inner tube metal valve is sequentially penetrated through the through hole of the stretching connecting sheet 1 and the through hole of the circular gasket 2, the stretching connecting sheet 1, the circular gasket 2 and the inner tube metal valve are fixed through the fixing screw cap 3, and the fixing screw cap 3 is matched with the threads of the inner tube valve.
The fixing screw cap 3 is arranged in the through hole of the circular gasket 2, and the through hole is arranged on the fixing screw cap 3. An internal thread is arranged in the through hole of the fixed screw cap 3 and is matched with an external thread on the inflating valve.
The inner tube sample must be parked for at least 24 hours before testing, a strip of adhesive tape with the width of 15mm plus or minus 0.5mm is cut from the surrounding area of the valve sample, the direction of the adhesive tape is vertical to the direction of the valve rod, redundant parts are removed, the outer surface side of the inner tube is cut along the edge of the valve metal chassis, the metal chassis is separated from the upper adhesive, and the influence of the adhesive on the stretching result by the adhesive on the metal chassis is avoided. The center of the inner valve chassis of the inner tube cuts off the rubber strip under the metal chassis along the direction vertical to the rubber strip, at this time, the rubber strip under the chassis is divided into two samples, and the two samples are connected with the rubber immediately under the metal chassis.
The stretching connection sheet 1 is clamped and fixed on the upper clamp, and the adhesive tape on the same side as the stretching connection sheet 1 and below the metal base is reversely clamped on the lower clamp device. The clamping and fixing device of the power machine comprises an upper fixing device and a lower fixing device, and the upper fixing device and the lower fixing device are detachably connected. Adjusting the testing speed of the tensile testing machine to be (100+/-50) mm/min, starting testing until the valve metal chassis is completely separated from the rubber, and recording the corresponding force value; and recording the separation condition: the valve is separated from the rubber cushion.
According to the separation condition of the valve rubber cushion 5 and the metal valve 4, the vulcanization process conditions and process parameters are timely adjusted, the stability of the strength of the valve of the inner tube is ensured, and the quality of the inner tube is improved. Effectively showing the evaluation of the bonding degree of the inflating valve and the inflating valve base rubber pad.
The thickness of the stretching connecting sheet 1 is 3.0mm, the width is 30.0mm, the maximum length is 65.0mm, one end is processed in an arc manner, the aperture of the through hole is 13.0mm plus or minus 0.5mm, the joint of the other end is processed in a right angle manner, and the length is 16.0mm. The diameter of the circular gasket 2 is 32.0mm, and the diameter of the concentric through holes is 13.0mm plus or minus 0.5mm. Through this size design can make tensile instrument fix the inflating valve, makes powerful centre gripping fixing device can grasp tensile connection piece and then test the inflating valve, and the inflating valve of convenient size is little tests.
While the foregoing description of the embodiments of the present utility model has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the utility model, but rather, it is intended to cover all modifications or variations within the scope of the utility model as defined by the claims of the present utility model.
Claims (10)
1. The stretching tool for measuring the adhesive force of the inflating valve of the inner tube is characterized by comprising a stretching connecting piece, a circular gasket and a fixing nut, wherein a through hole is formed in the surface of the stretching connecting piece, the circular gasket is arranged at the upper part of the through hole of the stretching connecting piece, and the fixing nut is arranged at the upper part of the circular gasket; one end of the inflating valve sequentially passes through the through holes of the stretching connecting sheet, the round gasket and the fixing nut.
2. A stretching tool for measuring the adhesive force of an inner tube valve as set forth in claim 1, wherein one end of said stretching connection piece is provided in a circular arc structure and the other end is provided in a bending structure.
3. A stretching tool for measuring the adhesive force of an inner tube valve as set forth in claim 1, wherein the bending structure of the stretching attachment piece is provided with a bending angle of 90 degrees.
4. A stretch tool for measuring an adhesion force of an inner tube valve according to claim 1, wherein the stretch connecting piece is made of an alloy material.
5. A stretching tool for measuring the adhesion force of an inner tube valve as set forth in claim 1, wherein said circular spacer is provided with a through hole.
6. A stretching tool for measuring the adhesion force of an inner tube valve as set forth in claim 1, wherein said circular pad has an upper surface diameter larger than a lower surface diameter.
7. A stretch tool for measuring an adhesion force of an inner tube valve according to claim 1, wherein a lower surface of the circular pad is in contact with the stretch panel.
8. A stretching tool for measuring the adhesion force of an inner tube valve as set forth in claim 1, wherein said circular pad is made of stainless steel.
9. A stretching tool for measuring the adhesion force of an inner tube valve as set forth in claim 1, wherein said fixing nut is disposed in a through hole of a circular spacer, and said fixing nut is provided with a through hole.
10. A stretching tool for measuring the adhesive force of an inner tube valve as set forth in claim 1, wherein the through hole of the fixing nut is internally provided with an internal thread which is matched with an external thread on the valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322671340.4U CN220894105U (en) | 2023-09-28 | 2023-09-28 | Stretching tool for measuring adhesive force of inflating valve of inner tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322671340.4U CN220894105U (en) | 2023-09-28 | 2023-09-28 | Stretching tool for measuring adhesive force of inflating valve of inner tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220894105U true CN220894105U (en) | 2024-05-03 |
Family
ID=90837999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322671340.4U Active CN220894105U (en) | 2023-09-28 | 2023-09-28 | Stretching tool for measuring adhesive force of inflating valve of inner tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220894105U (en) |
-
2023
- 2023-09-28 CN CN202322671340.4U patent/CN220894105U/en active Active
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