CN214368422U

CN214368422U - Pipeline connection structure, brake pipeline and vehicle

Info

Publication number: CN214368422U
Application number: CN202120026687.1U
Authority: CN
Inventors: 卫新星
Original assignee: Beijing CHJ Automotive Information Technology Co Ltd
Current assignee: Beijing Chehejia Automobile Technology Co Ltd
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-10-08
Anticipated expiration: 2031-01-06

Abstract

The utility model relates to a vehicle accessory field specifically provides a pipeline connection structure, brake pipe and vehicle. The pipeline connecting structure comprises a first joint, a second joint and a connecting piece, wherein the first joint is connected with the second joint through the connecting piece, a limiting piece is arranged on the periphery of the first joint, and a groove body clamped with an automobile body support is formed between the connecting piece and the limiting piece. The brake pipe comprises a hard pipe, a hose and the pipe connecting structure. The vehicle comprises the brake pipe. This application sets up first joint and second joint respectively at the tip of first pipeline and second pipeline, and the first joint passes through the connecting piece with the second joint to be connected, easy dismounting, it is sealed effectual, avoid appearing the phenomenon of sealed inefficacy, the periphery of first joint is equipped with the locating part, form the cell body with automobile body support looks joint between connecting piece and the locating part, and then press from both sides tight automobile body support through the tip of connecting piece and the side of locating part, the joint strength of pipeline is increased, avoid the use to rock.

Description

Pipeline connection structure, brake pipeline and vehicle

Technical Field

The present disclosure relates to the field of vehicle accessories, and in particular, to a pipe connection structure, a brake pipe, and a vehicle.

Background

Automobiles have become important vehicles in daily life, and therefore, the safety performance of automobiles is also required to be higher, wherein a braking device is used as a control device for decelerating, stopping or keeping the automobiles stopped, and the safety performance of the automobiles is directly influenced.

Traditional arresting gear generally all includes the hydraulic braking pipeline, and the hydraulic braking pipeline generally includes brake hose and braking hard tube, and in order to make the connection between these three of braking hard tube, brake hose and automobile body support more reliable, generally can add the elasticity clamping piece, and the braking hard tube passes through threaded connection with the brake hose promptly, then passes the mounting hole on the automobile body support, through the compression pretightning force of spring clamping piece for the brake hose is fixed on the support, and this kind of design still has following defect:

(1) the brake hose and the vehicle body bracket are limited only by the compression pretightening force of the spring clamping piece, so that the installation is not firm and the shaking is easy to generate;

(2) the brake hard pipe and the brake hose are often not aligned with each other, or the pipe joint is stressed on one side to cause collapse, which easily causes sealing failure.

SUMMERY OF THE UTILITY MODEL

To solve the technical problems or at least partially solve the technical problems, the present disclosure provides a pipe connection structure, a brake pipe, and a vehicle.

The utility model provides a pipeline connection structure, including first joint, second joint and connecting piece, the first joint with the second connects to pass through the connecting piece is connected, the free end of first joint is used for connecting first pipeline, the free end of second joint is used for connecting the second pipeline, the periphery of first joint is equipped with the locating part, the connecting piece with form the cell body with automobile body support looks joint between the locating part.

Optionally, an extending section is arranged at an end of the second joint, the extending section is matched with the first joint, and when the second joint is matched with the connecting piece, the extending section extends into the first joint.

Optionally, the inner wall of the first joint is provided with a third internal thread, and the periphery of the extension section is provided with a third external thread matched with the third internal thread.

Optionally, one end of the extension section, which is far away from the second joint, is provided with a first inclined plane, a second inclined plane matched with the first inclined plane is arranged inside the first joint, and the second joint is screwed to enable the first inclined plane to be attached to the second inclined plane.

Optionally, an annular protrusion is disposed inside the first joint, and the second inclined surface is disposed on one side of the annular protrusion facing the second joint.

Optionally, a first external thread is arranged on the periphery of the first joint, and a first internal thread matched with the first external thread is arranged on the inner wall of the connecting piece; the periphery of second joint is equipped with the second external screw thread, the inner wall of connecting piece be equipped with second external screw thread assorted second internal thread.

Optionally, the periphery of the first joint is provided with a limiting portion for being clamped with an inner wall of the mounting hole of the vehicle body support, so that the first joint and the vehicle body support are limited along the circumferential direction of the first joint.

Optionally, the second joint is rotatably engaged with the second pipe.

The present disclosure also provides a brake pipe, including hard tube, hose and above-mentioned pipe connection structure, the hard tube with pass through between the hose pipe connection structure connects.

The present disclosure also provides a vehicle including the above-mentioned brake pipe.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

this application sets up first joint and second joint respectively at the tip of first pipeline and second pipeline, and the first joint passes through the connecting piece with the second joint to be connected, easy dismounting, it is sealed effectual, avoid appearing the phenomenon of sealed inefficacy, the periphery of first joint is equipped with the locating part, form the cell body with automobile body support looks joint between connecting piece and the locating part, and then press from both sides tight automobile body support through the tip of connecting piece and the side of locating part, the joint strength of pipeline is increased, avoid the use to rock.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of a brake pipe attached to a vehicle body bracket according to an embodiment of the present disclosure;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a cross-sectional view of a brake pipe according to an embodiment of the present disclosure;

fig. 4 is a schematic view illustrating an arrangement manner of the limiting portion according to the embodiment of the disclosure.

10, a first joint; 11. a first external thread; 12. a first conduit; 13. an annular projection; 20. a second joint; 21. a second external thread; 22. a second conduit; 30. a connecting member; 31. a first internal thread; 32. a second internal thread; 40. a limiting member; 50. an extension section; 60. a vehicle body bracket; 70. a limiting part.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

Referring to fig. 1 and 2, a pipe connecting structure according to an embodiment of the present invention includes a first joint 10, a second joint 20, and a connecting member 30, where the first joint 10 and the second joint 20 are connected by the connecting member 30. The connecting member 30 has a connecting hole therein, the connecting hole is divided into a first connecting hole and a second connecting hole which are communicated with each other, the first joint 10 and the second joint 20 are both cylindrical structures, and a flow channel for fluid flowing is formed inside the first joint 10 and the second joint 20, and the fluid at the position can be gas fluid or liquid fluid. The first connecting hole is matched with the first joint 10, the second connecting hole is matched with the second connecting joint, the diameters of the first connecting hole and the second connecting hole can be the same or different, and the first connecting hole and the second connecting hole are selected according to specific setting requirements. The connecting member 30 may be a sleeve, that is, the outer circumference of the connecting member 30 is a smooth curved surface, so that the connecting member 30 has a cylindrical structure, and the space occupation is reduced. Or the periphery of the connecting piece 30 can be polygonal, or designed into irregular shape according to the installation requirement, so that the installation convenience is improved. It can be seen that the specific shape of the connection member 30 is not limited as long as the connection of the first connector 10 and the second connector 20 can be achieved.

The free end of the first fitting 10 is adapted to be connected to a first pipe 12 and the free end of the second fitting 20 is adapted to be connected to a second pipe 22. Where the free end of the first connector 10 refers to the other end of the first connector 10 connected to the connecting member 30, and the free end of the second connector 20 refers to the other end of the second connector 20 connected to the connecting member 30. And the connection manner of the first joint 10 and the first pipeline 12 and the connection manner of the second joint 20 and the second pipeline 22 are not limited as long as the connection of the first joint 10 and the first pipeline 12 and the connection of the second joint 20 and the second pipeline 22 can be satisfied, and the connection is sealed.

As shown in fig. 3, a limiting member 40 is disposed on the outer periphery of the first joint 10, and a slot body engaged with the vehicle body bracket 60 is formed between the connecting member 30 and the limiting member 40. The limiting member 40 may be a plate-shaped structure, a block-shaped structure, or an intermittent structure, and the intermittent structure includes a plurality of limiting members or limiting plates arranged at intervals along the circumferential direction of the first joint 10, so that the limiting member 40 can support the body bracket 60. Of course, the limiting member 40 may also be irregular, but when the limiting member 40 is irregular, it is required to ensure that a contact surface is formed on one side of the limiting member 40 facing the connecting member 30, and the area of the contact surface is large enough, and the contact points are dispersed, so that the limiting member 40 can abut against one side of the body bracket 60, and then cooperate with the connecting member 30 to fix the pipe on the body bracket 60.

This application sets up first joint 10 and second joint 20 respectively at first pipeline 12 and second pipeline 22's tip, and first joint 10 passes through connecting piece 30 with second joint 20 and is connected, easy dismounting, it is sealed effectual, the phenomenon of avoiding appearing sealed inefficacy, the periphery of first joint 10 is equipped with locating part 40, form the cell body with automobile body support 60 looks joint between connecting piece 30 and the locating part 40, and then the tip through connecting piece 30 presss from both sides tight automobile body support 60 with the side of locating part 40, the joint strength of pipeline is increased, avoid the use to rock.

As shown in fig. 2, in some embodiments, the first connector 10 is provided with a first external thread 11 on the outer circumference thereof, and the connecting member 30 is provided with a first internal thread 31 on the inner wall thereof to match the first external thread 11. Under this kind of design, threaded connection, easy dismounting between first joint 10 and the connecting piece 30. During installation, the first connector 10 penetrates through the installation hole in the vehicle body support 60 until the limiting member 40 abuts against one side of the vehicle body support 60, the connecting member 30 is screwed until the end of the connecting member 30 contacts with the vehicle body support 60, and then the first connector 10 is fixed on the vehicle body support 60, and the connection degree between the connecting member 30 and the vehicle body support 60 can be increased by controlling the force for screwing the connecting member 30 in the total mode, so that the connection effect is ensured. Further optimally, in order to further increase the coupling effect, a gasket may be provided between the coupling member 30 and the body bracket 60. Of course, after the end of the connecting member 30 is in contact with the body bracket 60, the connecting portion may be welded to further increase the connecting strength, but this design is disadvantageous to the removal and replacement of the connecting member 30 and the first joint 10.

In other embodiments, the outer circumference of the first joint 10 may also be smooth, and correspondingly, the inner wall of the connecting member 30 is a smooth hole, and after the connecting member 30 is inserted into the first joint 10, the end of the connecting member 30 may be welded to the body bracket 60, so as to increase the connecting effect, but this design is not conducive to the replacement of the first joint 10 and the connecting member 30.

As shown in fig. 2, the second connector 20 is provided at an outer circumference thereof with a second external thread 21, and the inner wall of the connecting member 30 is provided with a second internal thread 32 matching the second external thread 21. Under this kind of design, threaded connection, easy dismounting between second joint 20 and the connecting piece 30. Further optimally, the second joint 20 and the second pipeline 22 are rotatably matched, and the joint of the second joint 20 and the second pipeline 22 is sealed to avoid fluid leakage while the second joint 20 and the second pipeline 22 are rotatably connected. Wherein, as shown in fig. 3, the end of the second pipe 22 protrudes out of the second joint 20 so that the fluid does not flow into the second joint 20, thereby preventing the fluid from leaking. In other embodiments, a sealing ring may be provided at the junction of the second connector 20 and the second pipe 22.

As shown in fig. 2 and 3, the end of the second connector 20 is provided with an extension 50, and preferably, the extension 50 is integrally formed with the second connector 20, so that the production is facilitated and the structural strength is increased. The extension 50 is matched with the first connector 10, and when the second connector 20 is matched with the connecting piece 30, the extension 50 extends to the inside of the first connector 10, and makes the position of the flow passage of the first connector 10 opposite to the position of the flow passage of the second connector 20, so as to make the fluid flow. The matching here means that after the extension section 50 is inserted into the interior of the first joint 10, the outer periphery of the extension section 50 is sealed with the inner wall of the first joint 10, and fluid is prevented from flowing out through the connection between the first joint 10 and the extension section 50. Under this kind of design, regard first joint 10 and first pipeline 12 as an organic whole, second joint 20 and second pipeline 22 as an organic whole, in the fluid directly flowed to first pipeline 12 through second pipeline 22 this moment, connecting piece 30 only acts as fixed and guide effect to this reduces the route of flowing through of fluid, and then avoids the fluid to reveal, ensures that the pressure that the fluid provided satisfies the demand.

Wherein, the extension section 50 needs to be inserted into the first joint 10, it can be seen that the diameter of the extension section 50 is smaller than that of the first joint 10, and in order to increase the convenience of production of the second joint 20 and the extension section 50, the diameter difference between the second joint 20 and the extension section 50 is not too large, and therefore, the diameter of the second joint 20 should be smaller than that of the first joint 10. As shown in fig. 2 and 3, the inner wall of the connector 30 is formed in a stepped hole shape, the large hole portion of the connector 30 is connected to the first joint 10, and the small hole portion of the connector 30 is connected to the second joint 20. Meanwhile, the depth of the large hole portion should be greater than or equal to the length of the first joint 10 protruding out of the body bracket 60 so that the end of the connecting member 30 can abut against the side of the body bracket 60.

Further preferably, the inner wall of the first joint 10 is provided with a third internal thread, and the outer circumference of the extension section 50 is provided with a third external thread matching with the third internal thread. After the second joint 20 is connected and matched with the connecting piece 30, the extension section 50 is in threaded connection with the inner wall of the first joint 10, at the moment, the connecting piece 30 and the second joint 20 can play a role in guiding the insertion of the extension section 50, and the phenomenon that the installation fails due to the fact that the extension section 50 deviates from the axis of the first joint 10 is avoided. In addition, the first joint 10 and the extension section 50 are connected by the thread in the design mode, so that the fixing effect can be increased, and fluid leakage can be avoided.

As shown in fig. 3, the end of the extension 50 away from the second joint 20 is provided with a first inclined surface, and the inside of the first joint 10 is provided with a second inclined surface matching with the first inclined surface. Specifically, an annular protrusion 13 may be disposed inside the first joint 10, and a second inclined surface may be disposed on a side of the annular protrusion 13 facing the second joint 20, where an inclination angle of the first inclined surface is the same as that of the second inclined surface. According to the design mode, the second connector 20 is screwed, so that the first inclined surface is attached to the second inclined surface, and at the moment, the second connector 20 is screwed continuously, so that the compression sealing is realized. In other embodiments, the end of the second pipe 22 extends beyond the second joint 20, and a second bevel is formed by the end of the second pipe 22, wherein the end of the second pipe 22 directly abuts and seals with the end of the first joint 10, increasing the sealing effect. Further optimally, a mounting groove can be formed between one side of the annular protrusion 13 away from the first inclined plane and the end of the connecting piece 40, the end of the first pipeline 12 extends into the mounting groove, the through holes of the first pipeline 12 and the annular protrusion 13 and the second pipeline 22 are sequentially communicated, and then fluid directly flows into the first pipeline 12 through the through holes of the second pipeline 22 and the annular protrusion 13, so that fluid leakage is avoided. Further optimally, a sealing element can be arranged on the first inclined surface or the second inclined surface, the sealing effect of the first inclined surface and the second inclined surface is increased, the sealing element can be made of rubber, and the sealing effect is better.

As shown in fig. 4, the outer periphery of the first joint 10 is provided with a stopper 70 for engaging with the inner wall of the mounting hole of the vehicle body bracket 60 so as to stop the first joint 10 and the vehicle body bracket 60 in the circumferential direction of the first joint 10. The limiting portion 70 may be a protrusion, the protrusion is disposed on one side of the limiting member 40 facing the second joint 20, and correspondingly, a groove is disposed on an inner wall of the mounting hole of the body bracket 60, when the first joint 10 is mounted, the protrusion is opposite to the groove, and the protrusion can be clamped into the groove, so that the circumferential degree of freedom of the first joint 10 is limited by the protrusion and the groove, the first pipeline 12 and the first joint 10 are prevented from rotating relative to the mounting bracket, and the connection firmness of the first joint 10 is increased.

The first pipe 12 of the present application can be a hose, the second pipe 22 can be a hard pipe, and when installing, the second joint 20 is inserted into the first joint 10, so that the fluid directly flows to the hose through the hard pipe, thereby avoiding the fluid leakage.

The present disclosure further provides a brake pipe, which includes a hard pipe, a hose and the above pipe connection structure, and the hard pipe and the hose are connected through the pipe connection structure. The pipe connection structure includes all technical features of the above-described pipe connection structure, and thus, is not excessively described herein. Specifically, the hose can be a first pipe 12, i.e., the hose is connected to the first connector 10, the hard pipe can be a second pipe 22, the hard pipe is connected to the second connector 20, and the first connector 10 and the second connector 20 are connected by a connector 30.

When the hose connector is installed, the first connector 10 is inserted through the installation hole of the vehicle body bracket 60 until the limiting member 40 abuts against one side of the vehicle body bracket 60, and the connecting member 30 is screwed until the end of the connecting member 30 contacts with the vehicle body bracket 60, so that the first connector 10 and the hose are fixed on the vehicle body bracket 60. And screwing the second connector 20 until the extension section 50 is contacted with the flow channel of the first connector 10, and continuing screwing the first connector 10 to enable the extension section 50 to be screwed into the flow channel of the first connector 10 until the first inclined surface of the extension section 50 is attached to and pressed against the second inclined surface of the flow channel of the first connector 10, so that compression sealing is realized.

The brake pipeline adopting the pipeline connecting structure has a good sealing effect, and fluid in the hard pipe directly flows to the hose, so that the phenomenon of fluid leakage is avoided, and the brake pipeline can provide enough pressure. The hose, the first connector 10 and the vehicle body bracket 60 are firmly connected, so that the phenomenon that the first connector 10 and the vehicle body bracket 60 shake is avoided, and the safe use of the brake pipeline is ensured.

The present disclosure also provides a vehicle comprising the above-described brake conduit. The brake pipe herein includes all technical features of the brake pipe described above, and thus, is not described excessively herein. It should be noted that the vehicle should also include the basic structure of the vehicle to achieve the driving function, and the vehicle is not described too much because it is mature in the prior art.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a pipeline connection structure, its characterized in that, includes first joint (10), second joint (20) and connecting piece (30), first joint (10) with second joint (20) pass through connecting piece (30) are connected, the free end of first joint (10) is used for connecting first pipeline (12), the free end of second joint (20) is used for connecting second pipeline (22), the periphery of first joint (10) is equipped with locating part (40), connecting piece (30) with form the cell body with automobile body support (60) looks joint between locating part (40).

2. The pipe connecting structure according to claim 1, wherein an end of the second joint (20) is provided with an extension (50), the extension (50) is fitted to the first joint (10), and when the second joint (20) is fitted to the connecting member (30), the extension (50) extends to an inside of the first joint (10).

3. The pipe connection structure according to claim 2, wherein the inner wall of the first joint (10) is provided with a third internal thread, and the outer circumference of the extension (50) is provided with a third external thread matching the third internal thread.

4. The pipe connection structure according to claim 3, wherein the end of the extension (50) away from the second joint (20) is provided with a first inclined surface, the interior of the first joint (10) is provided with a second inclined surface matching the first inclined surface, and the first inclined surface is engaged with the second inclined surface by screwing the second joint (20).

5. The pipe connection according to claim 4, characterized in that the first joint (10) is internally provided with an annular projection (13), and the side of the annular projection (13) facing the second joint (20) is provided with the second slope.

6. The pipe connection structure according to any one of claims 1 to 5, wherein the first joint (10) is provided at its outer periphery with a first external thread (11), and the inner wall of the connecting member (30) is provided with a first internal thread (31) that matches the first external thread (11); the periphery of the second joint (20) is provided with a second external thread (21), and the inner wall of the connecting piece (30) is provided with a second internal thread (32) matched with the second external thread (21).

7. The pipe connection structure according to claim 1, wherein a stopper portion (70) for engaging with an inner wall of a mounting hole of a vehicle body bracket (60) is provided on an outer periphery of the first joint (10) so that the first joint (10) and the vehicle body bracket (60) are stopped in a circumferential direction of the first joint (10).

8. The pipe connection according to claim 1, wherein the second joint (20) is rotatably engaged with the second pipe (22).

9. A brake pipe comprising a hard pipe, a hose and the pipe connection structure of any one of claims 1 to 8, wherein the hard pipe and the hose are connected by the pipe connection structure.

10. A vehicle comprising a brake pipe according to claim 9.