CN210830016U - Novel elasticity hollow tube joint design - Google Patents
Novel elasticity hollow tube joint design Download PDFInfo
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- CN210830016U CN210830016U CN201921769367.4U CN201921769367U CN210830016U CN 210830016 U CN210830016 U CN 210830016U CN 201921769367 U CN201921769367 U CN 201921769367U CN 210830016 U CN210830016 U CN 210830016U
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Abstract
The utility model discloses a novel elastic hollow tube joint structure, which comprises an elastic hollow tube, a fixed joint and a metal ring buckle, wherein the fixed joint comprises a fixed hoisting ring and a joint connecting part, and the rear end part of the joint connecting part is provided with a front-end straight tube section, a middle ball clamping part and a rear-end straight tube section; the connecting end part of the elastic hollow pipe is sleeved to the periphery of the joint connecting part from back to front, and the connecting end part of the elastic hollow pipe respectively surrounds the front end straight pipe section, the middle ball clamping part and the rear end straight pipe section; the metal buckle is sleeved on the periphery of the connecting end part of the elastic hollow pipe, the front end necking section is arranged at the position of aligning the front end straight pipe section by the metal buckle, the rear end necking section is arranged at the position of aligning the rear end straight pipe section by the metal buckle, the outer diameter values of the front end locking section and the rear end locking section are respectively smaller than the outer diameter value of the middle part of the metal buckle, and the connecting end part of the elastic hollow pipe is respectively held by the front end necking section and the rear end necking section. Through the structure design, the utility model has the advantages of novel in design, firm in connection is reliable, the security is high.
Description
Technical Field
The utility model relates to an elasticity hollow tube technical field especially relates to a novel elasticity hollow tube joint design.
Background
Elastic hollow tubes have been commonly used in the exercise equipment industry; wherein, for the elastic hollow tube, the fixing of the joint is always a difficult problem, and the limit tension of the joint on the market is generally between 20kg and 40 kg. The elastic hollow pipe is an elastic body, and due to the characteristics of the elastic body, the elastic hollow pipe can be broken when the fixing pressure of the joint is too high, and the limit tension of the elastic hollow pipe and the fixing joint is too low when the fixing pressure is too low.
In addition, along with the increase of the number of times of use, the wearing and tearing of the elastomer near the joint can be aggravated continuously, and the wearing and tearing aggravation can have great potential safety hazard when the product is used, and is suffered from the problem of suffering from the following problem in the industry.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel elasticity hollow tube joint design to prior art not enough, this novel elasticity hollow tube joint design is novel, firm in connection is reliable, the security is high.
In order to achieve the above purpose, the present invention is achieved by the following technical solutions.
A novel elastic hollow tube joint structure comprises an elastic hollow tube, a fixed joint and a metal ring buckle in a hollow circular ring shape, wherein one end of the elastic hollow tube is a connecting end;
the fixed joint comprises a fixed hoisting ring in a hollow circular ring shape and a joint connecting part in a straight rod shape, the fixed hoisting ring is positioned at the front end part of the joint connecting part, and the fixed hoisting ring and the joint connecting part are of an integrated structure; the rear end part of the joint connecting part is provided with a front end straight pipe section, a middle ball clamping part and a rear end straight pipe section which are sequentially connected from front to back, and the maximum outer diameter value of the middle ball clamping part is respectively larger than the outer diameter value of the front end straight pipe section and the outer diameter value of the rear end straight pipe section;
the connecting end part of the elastic hollow pipe is sleeved to the periphery of the joint connecting part of the fixed joint from back to front, and the connecting end part of the elastic hollow pipe respectively surrounds the front end straight pipe section, the middle ball clamping part and the rear end straight pipe section; the metal ring buckle is sleeved on the periphery of the connecting end part of the elastic hollow pipe, a front end necking section is arranged at the position of aligning the front end straight pipe section by the metal ring buckle, a rear end necking section is arranged at the position of aligning the rear end straight pipe section by the metal ring buckle, the outer diameter values of the front end necking section and the rear end locking section are respectively smaller than the outer diameter value of the middle part of the metal ring buckle, and the connecting end part of the elastic hollow pipe is respectively held tightly by the front end necking section and the rear end necking section.
The maximum outer diameter value of the middle ball clamping part of the fixed joint is respectively larger than the inner diameter value of the front end necking section and the inner diameter value of the rear end necking section.
Wherein, the metal ring buckle is an aluminum buckle.
Wherein, the metal ring buckle is a copper buckle.
Wherein, the fixed joint is a metal joint.
Wherein, the fixed joint is a stainless steel joint.
Wherein, the fixed joint is an aluminum alloy joint.
Wherein, the fixed joint is a cast iron joint.
The utility model has the advantages that: the utility model relates to a novel elastic hollow tube joint structure, which comprises an elastic hollow tube, a fixed joint and a metal ring buckle in the shape of a hollow circular ring, wherein one end part of the elastic hollow tube is a connecting end part; the fixed joint comprises a fixed hoisting ring in a hollow circular ring shape and a joint connecting part in a straight rod shape, the fixed hoisting ring is positioned at the front end part of the joint connecting part, and the fixed hoisting ring and the joint connecting part are of an integrated structure; the rear end part of the joint connecting part is provided with a front end straight pipe section, a middle ball clamping part and a rear end straight pipe section which are sequentially connected from front to back, and the maximum outer diameter value of the middle ball clamping part is respectively larger than the outer diameter value of the front end straight pipe section and the outer diameter value of the rear end straight pipe section; the connecting end part of the elastic hollow pipe is sleeved to the periphery of the joint connecting part of the fixed joint from back to front, and the connecting end part of the elastic hollow pipe respectively surrounds the front end straight pipe section, the middle ball clamping part and the rear end straight pipe section; the metal ring buckle is sleeved on the periphery of the connecting end part of the elastic hollow pipe, a front end necking section is arranged at the position of aligning the front end straight pipe section by the metal ring buckle, a rear end necking section is arranged at the position of aligning the rear end straight pipe section by the metal ring buckle, the outer diameter values of the front end necking section and the rear end locking section are respectively smaller than the outer diameter value of the middle part of the metal ring buckle, and the connecting end part of the elastic hollow pipe is respectively held tightly by the front end necking section and the rear end necking section. Through the structure design, the utility model has the advantages of novel in design, firm in connection is reliable, the security is high.
Drawings
The invention will be further described with reference to the drawings, but the embodiments in the drawings do not constitute any limitation of the invention.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic cross-sectional view of the present invention.
Included in fig. 1 and 2 are:
1-elastic hollow tube 11-connecting end
2-fixed joint 21-fixed hanging ring
22-joint connecting part 221-front end straight pipe section
222-middle ball clamping part 223-rear end straight pipe section
3-metal ring buckle 31-front end necking section
32-rear end necking section.
Detailed Description
The present invention will be described with reference to specific embodiments.
As shown in fig. 1 and 2, a novel elastic hollow tube joint structure includes an elastic hollow tube 1, a fixed joint 2 and a metal ring buckle 3 in the shape of a hollow circular ring, wherein one end of the elastic hollow tube 1 is a connecting end 11.
The fixed joint 2 comprises a hollow annular fixed hanging ring 21 and a straight rod-shaped joint connecting part 22, the fixed hanging ring 21 is positioned at the front end part of the joint connecting part 22, and the fixed hanging ring 21 and the joint connecting part 22 are of an integral structure; the rear end of the joint connecting part 22 is provided with a front end straight pipe section 221, an intermediate ball clamping part 222 and a rear end straight pipe section 223 which are sequentially connected from front to back, and the maximum outer diameter value of the intermediate ball clamping part 222 is larger than the outer diameter value of the front end straight pipe section 221 and the outer diameter value of the rear end straight pipe section 223 respectively.
Further, the connecting end part 11 of the elastic hollow tube 1 is sleeved to the periphery of the joint connecting part 22 of the fixed joint 2 from back to front, and the connecting end part 11 of the elastic hollow tube 1 respectively surrounds the front straight tube section 221, the middle ball clamping part 222 and the rear straight tube section 223; the metal buckle 3 suit is peripheral in the connector portion 11 of elasticity hollow tube 1, the metal buckle 3 is provided with front end necking down section 31 in the position of aliging front end straight tube section 221, the metal buckle 3 is provided with rear end necking down section 32 in the position of aliging rear end straight tube section 223, the middle part external diameter value that front end necking down section 31, rear end locking section are compared metal buckle 3 respectively is little for the external diameter value, front end necking down section 31, rear end necking down section 32 hold the connector portion 11 of elasticity hollow tube 1 respectively tightly.
It should be explained that, for the metal buckle 3 of the present invention, it can be made of aluminum material or copper material, that is, the metal buckle 3 of the present invention can be an aluminum buckle or a copper buckle; of course, the above materials do not limit the present invention, that is, the metal buckle 3 of the present invention can be made of other materials.
Also, as for the fixed joint 2 of the present invention, it is preferably a metal joint; the fixed joint 2 made of a metal material is preferably a stainless steel joint, an aluminum alloy joint, or a cast iron joint. Of course, the above materials do not limit the present invention, that is, the fixing joint 2 of the present invention can be made of other materials.
In the assembly process of the utility model, the connecting end part 11 of the elastic hollow tube 1 is sleeved on the periphery of the joint connecting part 22 of the fixed joint 2, and the connecting end part 11 of the elastic hollow tube 1 is ensured to surround the front-end straight tube section 221, the middle ball clamping part 222 and the rear-end straight tube section 223; after the connecting end part 11 of the elastic hollow pipe 1 is sleeved in place, the metal buckle 3 is sleeved on the periphery of the connecting end part 11 of the elastic hollow pipe 1, then the metal buckle 3 is processed in a necking processing mode, a front end necking section 31 is processed at the front end part of the metal buckle 3, a rear end necking section 32 is processed at the rear end part of the metal buckle 3, and the front end necking section 31 and the rear end necking section 32 which are processed in a necking mode respectively tightly hold the connecting end part 11 of the elastic hollow pipe 1. When the elastic hollow tube 1 is installed, the fixed hanging ring 21 of the fixed joint 2 is hung at the hanging position of the body-building apparatus.
It should be noted that the front end neck section 31 of the metal buckle 3 is located at the front end side of the middle ball-catching portion 222 of the fixed joint 2, and the rear end neck section 32 of the metal buckle 3 is located at the rear end side of the middle ball-catching portion 222 of the fixed joint 2, that is, the front end neck section 31 and the rear end neck section 32 are located at both ends of the middle ball-catching portion 222; under the holding action of the front necking section 31 and the rear necking section 32, the connecting end part 11 of the elastic hollow tube 1 forms a surrounding state on the middle ball clamping part 222; when elasticity hollow tube 1 work and receive outside pulling force effect, fixed joint 2 can provide the required pulling force of work, and middle card ball portion 222 can avoid producing relative motion between elasticity hollow tube 1 and the fixed joint 2 and between elasticity hollow tube 1 and the metal latch closure 3 effectively, should avoid relative motion structure can reduce elasticity hollow tube 1 effectively and take place the problem of wearing and tearing, and the security is high.
It is to be emphasized that the maximum outer diameter of the intermediate ball-catching portion 222 of the fixed joint 2 is larger than the inner diameter of the leading neck section 31 and the inner diameter of the trailing neck section 32, respectively. To this structural design, when elasticity hollow tube 1 receives the pulling force effect of sudden increase, it still can guarantee elasticity hollow tube 1 not pulled out, and then can improve limit pulling force effectively and provide the safety guarantee.
Synthesize above-mentioned condition and know, through above-mentioned structural design, the utility model has the advantages of novel in design, firm in connection are reliable, the security is high.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (8)
1. A novel elasticity hollow tube joint design which characterized in that: comprises an elastic hollow pipe (1), a fixed joint (2) and a metal ring buckle (3) in a hollow circular ring shape, wherein one end part of the elastic hollow pipe (1) is a connecting end part (11);
the fixed joint (2) comprises a fixed hanging ring (21) in a hollow circular ring shape and a joint connecting part (22) in a straight rod shape, the fixed hanging ring (21) is positioned at the front end part of the joint connecting part (22), and the fixed hanging ring (21) and the joint connecting part (22) are of an integrated structure; the rear end part of the joint connecting part (22) is provided with a front end straight pipe section (221), an intermediate ball clamping part (222) and a rear end straight pipe section (223) which are sequentially connected from front to back, and the maximum outer diameter value of the intermediate ball clamping part (222) is respectively larger than the outer diameter value of the front end straight pipe section (221) and the outer diameter value of the rear end straight pipe section (223);
the connecting end part (11) of the elastic hollow pipe (1) is sleeved to the periphery of the joint connecting part (22) of the fixed joint (2) from back to front, and the connecting end part (11) of the elastic hollow pipe (1) respectively surrounds the front end straight pipe section (221), the middle ball clamping part (222) and the rear end straight pipe section (223); the metal buckle (3) is sleeved on the periphery of a connecting end portion (11) of the elastic hollow pipe (1), a front end necking section (31) is arranged at the position, aligned with the front end straight pipe section (221), of the metal buckle (3), a rear end necking section (32) is arranged at the position, aligned with the rear end straight pipe section (223), of the metal buckle (3), the front end necking section (31) and the rear end locking section are respectively smaller than the middle outer diameter value of the metal buckle (3), and the front end necking section (31) and the rear end necking section (32) respectively hold the connecting end portion (11) of the elastic hollow pipe (1).
2. The novel flexible hollow tube joint construction of claim 1, wherein: the maximum outer diameter value of the middle clamping ball part (222) of the fixed joint (2) is respectively larger than the inner diameter value of the front end necking section (31) and the inner diameter value of the rear end necking section (32).
3. The novel flexible hollow tube joint construction of claim 1, wherein: the metal ring buckle (3) is an aluminum buckle.
4. The novel flexible hollow tube joint construction of claim 1, wherein: the metal ring buckle (3) is a copper buckle.
5. The novel flexible hollow tube joint construction of claim 1, wherein: the fixed joint (2) is a metal joint.
6. The novel flexible hollow tube joint construction of claim 5, wherein: the fixed joint (2) is a stainless steel joint.
7. The novel flexible hollow tube joint construction of claim 5, wherein: the fixed joint (2) is an aluminum alloy joint.
8. The novel flexible hollow tube joint construction of claim 5, wherein: the fixed joint (2) is a cast iron joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921769367.4U CN210830016U (en) | 2019-10-22 | 2019-10-22 | Novel elasticity hollow tube joint design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921769367.4U CN210830016U (en) | 2019-10-22 | 2019-10-22 | Novel elasticity hollow tube joint design |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210830016U true CN210830016U (en) | 2020-06-23 |
Family
ID=71264119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921769367.4U Active CN210830016U (en) | 2019-10-22 | 2019-10-22 | Novel elasticity hollow tube joint design |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210830016U (en) |
-
2019
- 2019-10-22 CN CN201921769367.4U patent/CN210830016U/en active Active
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| GR01 | Patent grant | ||
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Effective date of registration: 20200717 Address after: 322009 3rd floor, No.66 Suxin street, Suxi Town, Yiwu City, Jinhua City, Zhejiang Province Patentee after: Yiwu Kuangshi daily necessities Co.,Ltd. Address before: 419300, Hunan County, Huaihua City, Xupu province Tao Xiang Ping fire village two groups Patentee before: Yan Chuan |