CN209955969U - Brake pipe connecting device - Google Patents
Brake pipe connecting device Download PDFInfo
- Publication number
- CN209955969U CN209955969U CN201822145332.5U CN201822145332U CN209955969U CN 209955969 U CN209955969 U CN 209955969U CN 201822145332 U CN201822145332 U CN 201822145332U CN 209955969 U CN209955969 U CN 209955969U
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- Prior art keywords
- joint
- pipe
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- hose
- arc
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Links
- 238000004891 communication Methods 0.000 claims abstract description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 230000001808 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 241000208202 Linaceae Species 0.000 claims 1
- 235000004431 Linum usitatissimum Nutrition 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 13
- 230000003139 buffering Effects 0.000 abstract description 5
- 210000002445 Nipples Anatomy 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010030 laminating Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 240000000218 Cannabis sativa Species 0.000 description 2
- 210000001503 Joints Anatomy 0.000 description 2
- 235000009120 camo Nutrition 0.000 description 2
- 235000005607 chanvre indien Nutrition 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000011487 hemp Substances 0.000 description 2
- 235000012765 hemp Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000012766 marijuana Nutrition 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 210000003284 Horns Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing Effects 0.000 description 1
- 230000000149 penetrating Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
Images
Abstract
The utility model discloses a brake pipe connecting device, which comprises a hard pipe joint, a hose joint, a communicating joint for communicating the hard pipe joint and the hose joint, and a layered air-tight component attached to the communicating joint and the hose joint; the communication joint comprises a straight pipe inserted in the hard pipe joint, a connecting part inserted in the hose joint and a stopping part for communicating the straight pipe with the connecting part, and an included angle is formed between the pipe wall where the stopping part is located and the pipe wall of the straight pipe; the connecting part is provided with an arc-shaped bulge and is connected with the stop part in an arc shape, and the hard pipe joint is clamped on the outer wall of the stop part and is locked with the hose joint through threads on the outer wall of the hard pipe joint. The hard pipe joint can not directly extrude the connecting part through the buffering of the stopping part, the air tightness of the connection between the hose joint and the communication joint can be ensured by the air tightness part, the brake fluid is prevented from leaking, and the reliability of the connection of the brake pipe is finally improved.
Description
Technical Field
The utility model relates to a brake pipe connects technical field, concretely relates to brake pipe connecting device.
Background
The hydraulic brake system performs braking by converting a brake pedal force into a hydraulic pressure and transmitting the hydraulic pressure to a brake, and is widely used due to its short reaction time and good stability, and in an automobile brake system, there is a high demand for the sealability of a brake pipe. Generally, the brake pipes are connected and sealed through the connection between the pipe joints, if the pipe joints are not tightly sealed, brake fluid in the brake pipes can be leaked, and in severe cases, the brake system can be failed due to the serious leakage of the brake fluid. The braking hard tube and the braking hose are matched by using a male joint and a female joint and are fixed and compressed by threads, and the braking hard tube end is pressed to deform and is fully attached to the braking hose joint, so that the brake fluid is prevented from overflowing, and the running safety requirement of the whole vehicle is met.
The conventional brake pipe joint is shown in fig. 1, and comprises a hard pipe joint 101 connected to a brake hard pipe, a hose joint 103 connected to a brake hose, and a communication joint 102 communicating the hard pipe joint 101 with the hose joint 103, wherein one end of the communication joint 102 is inserted into the hard pipe joint 101, and the other end of the communication joint is in a bell-mouth structure, the hose joint 103 is provided with a conical structure adapted to the bell-mouth structure, and the conical structure is inserted into the bell-mouth structure, so that the hose joint 103 is communicated with the hard pipe joint 101, and is screwed with a thread of the hard pipe joint 101 through a threaded hole of the hose joint 103, so that the conical structure and the bell-mouth structure are mutually compressed.
The existing communication joint 102 is of a bell mouth structure, when the hard pipe joint 101 and the hose joint 103 are locked, the bell mouth structure is extruded by the hard pipe joint 101 and the conical structure, the outer wall is a weak part of the communication joint 102, and after repeated disassembly, assembly and extrusion, the outer wall is easy to deform, so that the inner wall of the bell mouth structure contacting with the conical structure is deformed, the bell mouth structure and the conical structure cannot be completely attached, the connection is not tight enough, the sealing performance of the whole brake pipeline is poor, and finally, brake fluid leakage is caused, and the brake performance is influenced; meanwhile, the horn mouth structure can be formed by processes of flanging first and then reaming and stamping, the forming process is complex, and the production efficiency is low.
Disclosure of Invention
The utility model aims at providing a brake pipe connecting device, through set up the locking portion on the intercommunication connects, when making hose nipple and hard tube coupling locking, the locking portion plays the cushioning effect, it is protruding to set up the arc simultaneously on the connecting portion that the intercommunication connects, thereby make the connecting portion of attach fitting paste with the fine production arc of hose nipple with, guarantee the laminating degree of pipeline faying face, prolong the circuit stroke of hydraulic pressure seepage, improve the gas tightness of brake union coupling, in addition through setting up the gas tightness part on the intercommunication, the gas tightness of brake union coupling has also been strengthened.
In order to achieve the above object, the present invention provides the following technical solutions:
a brake pipe connecting device comprises a hard pipe joint, a hose joint, a communicating joint for communicating the hard pipe joint and the hose joint, and a layered air-tight component attached to the communicating joint and the hose joint and mutually jointed; the communication joint comprises a straight pipe inserted in the hard pipe joint, a connecting part inserted in the hose joint and a stopping part for communicating the straight pipe with the connecting part, and an included angle is formed between the pipe wall where the stopping part is located and the pipe wall of the straight pipe; the connecting part is provided with an arc-shaped bulge and is connected with the stop part in an arc shape, and the hard pipe joint is clamped on the outer wall of the stop part and is locked with the hose joint through threads on the outer wall of the hard pipe joint.
Preferably, the straight pipe is coaxial with the stopping part, the stopping part is of a first circular arc-shaped protruding structure, and the outer diameter of one end, communicated with the straight pipe, of the stopping part is larger than the inner diameter of the hard pipe joint.
Preferably, the stopper is in circular arc transition with the straight tube.
Preferably, the hard pipe joint is rotatably inserted into the outer wall of the straight pipe along the axis of the hard pipe joint.
Preferably, the connecting portion is coaxial with the stopping portion, the connecting portion is of a second arc-shaped protruding structure, and the outer wall of the stopping portion is in arc-shaped transitional connection with the outer wall of the connecting portion.
Preferably, the hose connector is provided with an arc hole matched with the outer wall of the connecting part, and the arc connecting part structure is inserted in the arc hole.
Preferably, the layered airtight component is attached to the outer surface of the circular arc-shaped connecting part and is in arc-shaped fit with the circular arc-shaped connecting part.
Preferably, the air-tight component can be selected from a rubber gasket, a nylon gasket, an activated carbon gasket, a hemp cloth gasket and the like.
Preferably, the communication joint is of an integrally formed structure.
The beneficial effects of the utility model reside in that:
the utility model discloses increase locking portion between straight tube and connecting portion, hose nipple and during hose nipple locking, buffering through locking portion, the hose nipple can not the direct extrusion connecting portion, simultaneously through setting up convex connecting portion, thereby increase locking portion buffering dynamics, avoid the connection face of connecting portion to take place to warp, furthermore, the connecting portion that are convex structure and the hose nipple who is circular arc shape hole are laminated each other, the route of brake fluid seepage has been increased, make the brake fluid be difficult for overflowing, the stratiform gas tightness part that sets up in connecting portion and hose nipple laminating department simultaneously more can guarantee hose nipple and the gas tightness of intercommunication articulate, prevent brake fluid leakage, finally improve the reliability of brake union coupling.
Drawings
FIG. 1 is a schematic structural view of a prior art brake pipe coupling;
fig. 2 is a schematic structural diagram of an embodiment of the brake pipe joint provided by the present invention.
Fig. 3 is a schematic perspective view of the communication joint for connecting the brake pipe provided by the present invention;
reference numerals:
in fig. 1:
101. a hard pipe joint 102, a communication joint 103 and a hose joint;
in fig. 2:
201. a hard pipe joint 202, a communication joint 203, a hose joint 204, a straight pipe 205, a stop part 206, a connecting part 207 and an air-tight component;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 2, in an embodiment, the brake pipe joint provided by the present invention comprises a hard pipe joint 201, a hose joint 203, a communication joint 202 for communicating the hard pipe joint 201 and the hose joint 203, and a layered airtight member 207 attached to the communication joint 202 and the hose joint 203; the communication joint 202 comprises a straight pipe 204 inserted into the hard pipe joint 201, a connecting part 206 inserted into the hose joint 203, and a stopping part 205 communicating the straight pipe 204 with the connecting part 206, wherein the pipe wall where the stopping part 205 is located and the pipe wall of the straight pipe 204 form an included angle; the connecting portion 206 is provided with an arc-shaped protrusion and is arc-shaped connected with the stopping portion 205, and the hard pipe joint 201 is clamped on the outer wall of the stopping portion 205 and locked with the hose joint 203 through threads on the outer wall.
In the embodiment, the stopping part 205 is additionally arranged between the straight pipe 204 and the connecting part 206, when the hose connector 203 and the hard pipe connector 201 are locked, the hard pipe connector 201 cannot directly press the connecting part 206 through the buffering of the stopping part 205, so that the deformation of the connecting surface of the connecting part 206 is avoided, the air tightness of the connection between the hose connector 203 and the communication connector 202 is ensured, the brake fluid leakage is prevented, and the reliability of the brake pipe connection is finally improved.
Specifically, the outer wall of a hard pipe joint 201 communicated with the brake hard pipe is provided with threads, and one end, close to the threads, of an inner hole of the hard pipe joint 201 is connected with a straight pipe 204 of a communication joint 202 in an inserted manner; the hose connector 203 communicated with the brake hose is provided with a threaded hole matched with the thread, one end of the inner hole of the hose connector 203, close to the threaded hole, is inserted and communicated with the connecting part 206 of the communicating connector 202, and then the hard pipe connector 201 and the hose connector 203 are screwed and locked, so that the hard pipe connector 201, the communicating connector 202 and the hose connector 203 are sequentially communicated and fastened.
The straight pipe 204 is coaxial with the stopper 205, the stopper 205 has a first arc structure, and the outer diameter of one end of the stopper 205 communicated with the straight pipe 204 is larger than the inner diameter of the hard pipe joint 201. By the coaxial arrangement, the hard tube connector 201 can be stopped at the outer wall of the stopper 205 when being inserted.
The hard pipe joint 201 is rotatably inserted into the outer wall of the straight pipe 204 along the axis. According to the structure, when the hard pipe joint 201 is locked with the hose joint 203, the communication joint 202 cannot rotate along with the hard pipe joint 201, so that the friction resistance of screwing the hard pipe joint 201 is reduced, and the brake pipe joint is connected more tightly.
The connecting portion 206 is coaxial with the stopper portion 205, the connecting portion 206 has a second circular arc structure, and an outer wall of the connecting portion 206 is in arc transition connection with an outer wall of the stopper portion. The cross section of the end of the connecting part 206 is increased to enhance the buffering force of the stop part 205 when being squeezed, further avoid the deformation of the connecting surface of the connecting part 206, ensure the air tightness of the connection between the hose connector 203 and the communication connector 202, prevent the brake fluid from leaking, and finally improve the reliability of the brake pipe connection.
Preferably, the straight tube 204, the stop tube 205 and the connecting tube 206 are coaxially arranged to make the brake fluid flow more smoothly and ensure the effectiveness of the braking effect.
The hose connector 203 is provided with an arc hole matched with the outer wall of the connecting part 206, and the second arc structure is inserted in the arc hole. The structure enables the connection between the hose connector 203 and the connecting part 206 to be more in place, the joint surface of the hose connector 203 and the connecting part 206 is in cambered surface joint, the wrapping and embedding joint is tighter, and the joint surface is in straight surface joint, so that the path of brake fluid in accidental leakage is increased, the air tightness of the connection between the hose connector 203 and the communicating connector 201 is enhanced, and the effectiveness of braking is improved.
The airtight component is arranged on the outer surface of the connecting part, further, the airtight component 207 can be arranged into an arc-shaped layer matched with the outer surface of the connecting part 206, so that the airtight component 207 and the connecting part 206 are embedded and attached, therefore, when the hose connector 203 and the connecting part 206 are connected in an inserting mode, the airtight component protects the hose connector, penetrating fluid can be prevented from overflowing better, and the air tightness of the brake pipe connection is enhanced.
Preferably, the material of the airtight member 207 may be selected from a rubber gasket and a nylon gasket. Wherein rubber gasket and nylon gasket are elastic material to this laminating medium in the middle of as connecting portion 206 and hose nipple 203 can make the two utilize elastic material's ductility to obtain better sealed effect when mutual cartridge carries out locking.
Furthermore, the airtight component 207 may also be selected from activated carbon gasket and oil hemp cloth gasket, so that even if slight permeation liquid overflows when the connection part and the hose connector are connected in a plug-in manner, the permeation liquid can be absorbed by the adsorbability of the airtight component 207, and the overflow of the permeation liquid is avoided.
The stopper 205 and the connecting portion 206 and the stopper 205 and the straight tube 204 are in circular arc transition. The structure avoids stress concentration at the pipeline joint, prevents the pipeline from being broken and prolongs the service life.
Preferably, the communication joint 202 is of equal wall thickness. So as to improve the strength of the communication joint 202 and prolong the service life.
Preferably, the communication connector 202 is a one-piece structure. The sealing performance of the pipeline is guaranteed, meanwhile, the assembly process is reduced, and the assembly efficiency is improved. I.e., formed at a time through a punching process using one tube.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (2)
1. A brake pipe connection device characterized by: the device comprises a hard pipe joint, a hose joint, a communicating joint for communicating the hard pipe joint and the hose joint, and a layered air-tight component attached to the communicating joint and the hose joint and mutually jointed; the communication joint comprises a straight pipe inserted in the hard pipe joint, a connecting part inserted in the hose joint and a stopping part for communicating the straight pipe with the connecting part, and an included angle is formed between the pipe wall where the stopping part is located and the pipe wall of the straight pipe; the connecting part is provided with an arc-shaped bulge and is connected with the stop part in an arc manner, the hard pipe joint is clamped on the outer wall of the stop part and is locked with the hose joint through threads on the outer wall of the hard pipe joint, the straight pipe is coaxial with the stop part, the stop part is of a first arc-shaped bulge structure, the stop part is communicated with one end of the straight pipe, the outer diameter of the outer end of the straight pipe is larger than the inner diameter of the hard pipe joint, the hard pipe joint is rotatably inserted in the outer wall of the straight pipe along the axis of the hard pipe joint, the connecting part is coaxial with the stop part, the connecting part is of a second arc-shaped bulge structure, the outer wall of the stop part is in arc transition connection with the outer wall of the connecting part, the hose joint is provided with an arc-shaped hole matched with the outer wall of the connecting part, the inner, the connecting joint is in arc-shaped fit with the connecting rod, and the connecting joint is of an integrally formed structure.
2. A brake pipe coupling according to claim 1, wherein: the air tightness component can be any one of a rubber gasket, a nylon gasket, an activated carbon gasket and an oiled flax fabric gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822145332.5U CN209955969U (en) | 2018-12-20 | 2018-12-20 | Brake pipe connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822145332.5U CN209955969U (en) | 2018-12-20 | 2018-12-20 | Brake pipe connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209955969U true CN209955969U (en) | 2020-01-17 |
Family
ID=69234403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822145332.5U Active CN209955969U (en) | 2018-12-20 | 2018-12-20 | Brake pipe connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209955969U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013264A (en) * | 2020-08-25 | 2020-12-01 | 王军 | High-efficiency heat exchange steam trap for industrial heat exchange equipment |
-
2018
- 2018-12-20 CN CN201822145332.5U patent/CN209955969U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013264A (en) * | 2020-08-25 | 2020-12-01 | 王军 | High-efficiency heat exchange steam trap for industrial heat exchange equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A brake pipe connection device Effective date of registration: 20220906 Granted publication date: 20200117 Pledgee: China Minsheng Banking Corp Qingdao branch Pledgor: QINGDAO CARFLEX AUTO PARTS CO.,LTD. Registration number: Y2022370010137 |