CN215214474U

CN215214474U - U-shaped square joint of brake pipe

Info

Publication number: CN215214474U
Application number: CN202120861946.2U
Authority: CN
Inventors: 董阿能; 毛再娜; 吴军权
Original assignee: Ningbo Aneng Automobile Parts Co ltd
Current assignee: Ningbo Aneng Automobile Parts Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-12-17
Anticipated expiration: 2031-04-25

Abstract

The utility model provides a brake pipe U type square connects belongs to auto parts's technical field. The U-shaped square joint of the brake pipe comprises a sleeve, a square joint and a lining core; the utility model discloses connect the square and set up respectively in sheathed tube both ends with the bushing core, and simultaneously, U type draw-in groove has been seted up to one side that the square connects and deviates from coupling sleeve, make when the installation, realized location and spacing through U type draw-in groove, the quick location installation has been made things convenient for, the exactness of installation has been guaranteed, the assembly efficiency has been improved, and simultaneously, the problem of aversion that deflects in the follow-up use has still been prevented, installation stability is better, in addition, all be equipped with the gasket groove that the tank bottom is sealed face on the up end that the square connects and the lower terminal surface, and all set up the seal groove of a plurality of transversal personally submitting "V" fonts on each sealed face, make the installation back, gasket in the gasket groove can be extruded to the seal inslot, sealing performance has been improved, thereby brake system's performance has been guaranteed, the security of car has been promoted.

Description

U-shaped square joint of brake pipe

Technical Field

The utility model relates to an auto parts's technical field specifically relates to a brake pipe U type square connects.

Background

People pay attention to the safety of automobiles and buy the automobiles, so that the selling and the use of the automobiles are directly determined by ensuring the safety of the automobiles.

The brake tube is used as a main structural component in an automobile brake system, the performance of the brake tube directly determines the safety of an automobile, and therefore, the use performance of the brake tube needs to be ensured. At present, in the existing brake pipe, different connection joints are arranged, and the connection joints realize the conduction of the channel, so that the installation stability of the connection structure and the sealing performance of the connection part need to be ensured. However, current attach fitting adopts the mode of direct cover establishing to install, and the problem of aversion that easily appears deflecting after the installation, and installation stability is relatively poor, in addition, has adopted on the attach fitting to place the gasket on the plane and has realized sealed structure, easily appears extruding hunch-up scheduling problem after the installation, leads to the relatively poor problem of leakproofness to the performance that has leaded to braking system is relatively poor, is unfavorable for the promotion of car security.

Disclosure of Invention

To the above-mentioned problem that exists among the prior art, it aims at providing brake pipe U type square joint now, set up the square joint with setting up the one end at the sheathed tube, and seted up U type draw-in groove in one side of square joint, make when installing, can fix a position and spacing through U type draw-in groove, can realize high-efficient installation, can also prevent to appear the problem of deflection aversion after the installation, installation stability is better, and simultaneously, the gasket groove has been seted up on the up end and the lower terminal surface of square joint, and set up the seal groove of a plurality of transversal personally submitting "V" font on the tank bottom in gasket groove, make the gasket in the gasket groove of square joint when being extruded, the gasket can be by partial extrusion to the seal inslot, sealing performance has been promoted, thereby brake system's performance has been promoted, the security of car has been promoted.

The specific technical scheme is as follows:

the U-shaped square joint of the brake pipe has the characteristics that:

the sleeve is provided with a hollow cavity, one end of the sleeve is provided with a sleeve head, the sleeve head is provided with an inner cavity communicated with the hollow cavity, and the inner diameter of the inner cavity is larger than the inner diameter of the hollow cavity;

the square joint is a rectangular block, a sleeve hole penetrating through the upper end face and the lower end face is formed in the square joint, an insertion hole is formed in one side of the square joint, a communication hole is formed between the insertion hole and the sleeve hole, meanwhile, one end, away from the sleeve head, of the sleeve is inserted into the insertion hole, gasket grooves are formed in the square joint and located on the upper end face and the lower end face of the square joint, the gasket grooves are annular grooves wound outside the sleeve hole, the groove bottoms of the gasket grooves are sealing faces, meanwhile, a plurality of annular sealing grooves which are arranged at intervals are formed in the sealing faces, the cross sections of the sealing grooves are arranged in a V shape, and a U-shaped clamping groove is formed in one side, opposite to the side where the insertion hole is formed, of the square joint in the direction from the upper end face to the lower end face;

the lining core is arranged in a cylindrical shape, is arranged in the inner cavity of the sleeve head, and is inserted into the hollow of the sleeve at one end.

Foretell brake pipe U type square connects, wherein, the square connects for the cuboid structure, and jack and U type draw-in groove are located the square respectively and connect the terminal surface at length direction's both ends to, jack and U type draw-in groove all are located square and connect along its length direction's center axis.

The U-shaped square joint for the brake pipe is characterized in that the notches of the U-shaped clamping grooves are arranged in a direction deviating from the jack, and meanwhile, two side walls of the notches of the U-shaped clamping grooves are parallel to each other.

In the above U-shaped square joint for a brake pipe, the sealing groove is located on one side of the sealing surface close to the trepan boring.

The U-shaped square joint of the brake pipe is characterized in that the square joint and the sleeve and the lining core and the sleeve are connected in a welding manner.

In the above U-shaped square joint for a brake pipe, the outer wall of the lining core is provided with a plurality of annular grooves, the annular grooves are wound around the lining core along the circumferential direction of the lining core, and a space is provided between two adjacent annular grooves.

In the U-shaped square joint for the brake pipe, the sleeve and the sleeve head are of an integrated structure, and the diameter of the sleeve head is larger than that of the sleeve.

In the above U-shaped square joint for the brake tube, a counterbore is provided at the end of the hollow sleeve communicating with the inner cavity of the sleeve head, and the inner diameter of the counterbore is larger than the inner diameter of the hollow sleeve.

In the U-shaped square joint for the brake pipe, the outer wall of the sleeve is provided with the anti-skid tooth grooves, and the anti-skid tooth grooves are positioned between the square joint and the sleeve head.

In the U-shaped square joint for a brake pipe, the sleeve is a bent pipe, and the bending angle of the sleeve ranges from 125 ° to 130 °.

The positive effects of the technical scheme are as follows:

according to the U-shaped square joint of the brake pipe, the square joint is arranged, and the U-shaped clamping groove is formed in one side, away from the connecting sleeve, of the square joint, so that when the square joint is sleeved and mounted, the square joint can be positioned and limited through the U-shaped clamping groove, the square joint is convenient to mount quickly, the problem of deviation in the mounting process is solved, the mounting efficiency is improved, the mounting accuracy is ensured, the problem of deflection and displacement after mounting can be solved, and the mounting stability is better; meanwhile, the gasket grooves are formed in the upper end face and the lower end face of the square joint, and meanwhile, the plurality of sealing grooves with the cross sections in the V shapes are formed in the groove bottoms of the gasket grooves, so that when the gasket is placed in the gasket groove of the square joint and is compressed, the gasket can be partially extruded into the sealing grooves, the problem of poor sealing performance caused by the fact that the gasket is arched is avoided, sealing performance is improved, the using performance of a brake system is guaranteed, and the safety of an automobile is effectively improved.

Drawings

FIG. 1 is a view angle structure diagram of the U-shaped square joint of the brake pipe of the present invention;

FIG. 2 is a structural diagram of another view angle of the U-shaped square joint of the brake pipe of the present invention;

FIG. 3 is a cross-sectional view of the U-shaped square joint of the brake pipe of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 3.

In the drawings: 1. a sleeve; 11. the hollow part is hollow; 12. sleeving heads; 13. an anti-slip tooth groove; 111. reaming; 121. an inner cavity; 2. a square joint; 21. trepanning; 22. a jack; 23. a communicating hole; 24. a gasket groove; 25. a sealing groove; 26. a U-shaped clamping groove; 3. a lining core; 31. an annular groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the following embodiments are specifically described with reference to fig. 1 to 4, but the following contents are not intended to limit the present invention.

FIG. 1 is a view angle structure diagram of the U-shaped square joint of the brake pipe of the present invention; FIG. 2 is a structural diagram of another view angle of the U-shaped square joint of the brake pipe of the present invention; FIG. 3 is a cross-sectional view of the U-shaped square joint of the brake pipe of the present invention; fig. 4 is an enlarged view of a portion a in fig. 3. As shown in fig. 1, 2, 3 and 4, the U-shaped block joint of the brake pipe provided by the present embodiment includes: the bushing comprises a bushing 1, a square joint 2 and a lining core 3, wherein the square joint 2 and the lining core 3 are respectively positioned at two ends of the bushing 1.

In particular, the cannula 1 is provided with a hollow 11, i.e. the cannula 1 is a hollow tube. At this time, one end of the casing 1 is provided with a sleeve head 12, and the sleeve head 12 is provided with an inner cavity 121 communicated with the hollow 11, so that the pipeline is communicated, and the inner diameter of the inner cavity 121 is larger than that of the hollow 11, so that the inner cavity 121 has a large enough space to be connected with other pipeline structures and a large enough space to install the lining core 3.

Specifically, the square joint 2 is a rectangular block, and the square joint 2 is provided with a sleeve hole 21 penetrating through the upper end surface and the lower end surface, so that after the square joint 2 is sleeved on other pipelines, corresponding fluid can flow into or out of the square joint 2 from the sleeve hole 21, and the pipelines are also conducted. In addition, one side of the square joint 2 is provided with an insertion hole 22, and a communication hole 23 is arranged between the insertion hole 22 and the sleeve hole 21, so that the insertion hole 22 and the sleeve can be communicated through the communication hole 23, the pipeline conduction is also realized, and the smooth flow of fluid is ensured. Meanwhile, one end of the sleeve 1, which is far away from the sleeve head 12, is inserted into the insertion hole 22, and an installation foundation is provided for the connection of the sleeve 1 at the square joint 2 through the insertion hole 22, so that a large enough contact area is formed between the sleeve 1 and the square joint 2, and the connection reliability is ensured. And, the square connects 2 and is located and all seted up gasket groove 24 on its up end and the terminal surface down for the up end and the terminal surface down of square joint 2 all have seal structure, and gasket groove 24 is for locating the outer ring channel of trepanning 21, has realized the sealed of the terminal surface at trepanning 21 both ends, has further promoted sealing performance. At this moment, the groove bottom of the gasket groove 24 is set to be a sealing surface, meanwhile, a plurality of annular sealing grooves 25 arranged at intervals are formed in the sealing surface, the cross section of each sealing groove 25 is arranged in a V shape, so that the plurality of sealing grooves 25 can form a tooth-shaped structure on the sealing surface, conditions are provided for extrusion of subsequent gaskets and embedding of the gaskets into the sealing grooves 25 to improve sealing performance, and the V-shaped sealing grooves 25 are large in opening, and processing is facilitated. In addition, on the square joint 2 and with set up jack 22 just right one side along the direction of up end to terminal surface down, be provided with U type draw-in groove 26 in square joint 2 one side that deviates from sleeve pipe 1 promptly, can prevent U type draw-in groove 26 interference sleeve pipe 1's connection installation, and simultaneously, also can fix a position and spacing for square joint 2 through U type draw-in groove 26, make when cup jointing square joint 2, can realize the location through U type draw-in groove 26, realize quick installation, and can prevent the problem of misloading, the exactness of installation has been guaranteed, in addition, can also realize spacingly through U type draw-in groove 26, prevent to appear the problem of aversion after square joint 2 installs, the stability and the reliability of installation have been guaranteed, thereby brake performance has been guaranteed, the security of vehicle has been promoted.

Specifically, the lining core 3 is arranged in a cylindrical shape, so that the lining core 3 is also in a hollow pipe structure, the lining core 3 is arranged in the inner cavity 121 of the sleeve head 12, one end of the lining core 3 is inserted into the hollow 11 of the sleeve pipe 1, the hollow 11 of the sleeve pipe 1 is extended in the inner cavity 121 of the sleeve head 12 through the lining core 3, and therefore after the sleeve head 12 is sleeved on other corresponding structures, the lining core 3 can be inserted into the corresponding structures, and the connection and conduction of pipelines are realized. Moreover, the inner side and the outer side of the corresponding structure can be contacted through the sleeve head 12 and the lining core 3, so that the stability and the reliability of pipeline connection are ensured, and the structural design is more reasonable.

More specifically, the square connects 2 to be the cuboid structure, make the width that the square connects 2 be less than its length, at this moment, jack 22 and U type draw-in groove 26 are located the terminal surface at 2 length direction's both ends of square joint respectively, can make the position that needs set up U type draw-in groove 26 and jack 22 be located its length direction, thereby make realized having enough big region to set up U type draw-in groove 26 and jack 22 under the condition that the width of square joint 2 is minimum, can guarantee the reliability of structure, again can save material cost, structural design is more reasonable. In addition, the insertion hole 22 and the U-shaped clamping groove 26 are both located on the central axis of the square joint along the length direction of the square joint, so that the square joint 2 is uniformly stressed in the length direction and the width direction, and the stability of structural installation is further ensured.

More specifically, U type draw-in groove 26 includes convex tank bottom and notch, and at this moment, U type draw-in groove 26's notch orientation deviates from the direction of jack 22 and arranges, has made things convenient for in the structure that external and U type draw-in groove 26 correspond can block into U type draw-in groove 26 smoothly, has made things convenient for the dismouting that the square connects 2. Simultaneously, the both sides wall of U type draw-in groove 26's notch is parallel to each other, and, the groove depth of U type draw-in groove 26 is greater than the circular arc radius of U type draw-in groove 26's tank bottom, make U type draw-in groove 26's notch be smooth regular notch, can prevent to lead to the problem that the card goes into inconvenience or the slippage appears because of setting up the notch into the inclined plane, can also prolong U type draw-in groove 26's groove depth, further guaranteed corresponding joint card stability and reliability after going into, structural design is more reasonable.

More specifically, seal groove 25 is located one side that sealed face is close to trepanning 21, even make seal groove 25 be located annular sealed inboard one side of face, has avoided all need to process the problem of seal groove 25 on the whole sealed face, has effectively alleviateed the processing burden, has improved machining efficiency, simultaneously, also makes seal groove 25 be located the position that is more close trepanning 21, and sealing reliability is higher, and sealed effect is better.

More specifically, the square joint 2 and the sleeve 1 are connected in a welding mode, and similarly, the lining core 3 and the sleeve 1 are also connected in a welding mode, so that the square joint 2 and the sleeve 1 and the lining core 3 and the sleeve 1 are connected more firmly, and the structure is more stable. Meanwhile, the welding connection process is mature, the application range is wide, the reliability is better, and the cost is lower.

More specifically, a plurality of annular grooves 31 have been seted up on the outer wall of lining core 3 to, annular groove 31 is around establishing along the circumference of lining core 3, makes each department homoenergetic of the circumference of lining core 3 wrapped up by annular groove 31, avoids appearing the problem at dead angle. Moreover, a gap is formed between every two adjacent annular grooves 31, so that the annular grooves 31 can be conveniently machined, meanwhile, the two adjacent annular grooves 31 can be ensured to have a large enough gap, the machining allowance of the annular grooves 31 is ensured, and the structural strength of each annular groove 31 is also ensured. It is worth pointing out that, when the lining core 3 is inserted into other corresponding structures, the annular groove 31 can be sleeved with a sealing ring, and the sealing between the lining core 3 and other corresponding structures is realized through the sealing ring, so that the sealing performance is better and the reliability is higher.

More specifically, sleeve pipe 1 and pullover 12 formula structure as an organic whole, structural strength is high, simultaneously, has also made things convenient for integral type processing, has prevented that follow-up components of a whole that can function independently processing back reconnection and because of the poor problem of structural strength that the connection defect leads to, and structural design is more reasonable. Moreover, the diameter of the sleeve head 12 is larger than that of the sleeve 1, so that the sleeve head 12 can have a large enough inner cavity 121 for installing the lining core 3 which is subsequently inserted into the hollow 11 of the sleeve 1, and the structural design is more reasonable.

More specifically, the one end that the cavity 11 of sleeve pipe 1 and the inner chamber 121 of pullover 12 communicate is provided with reaming 111, the internal diameter of reaming 111 is greater than the internal diameter of the cavity 11 of sleeve pipe 1, the internal diameter of the one end that the cavity 11 of sleeve pipe 1 and the inner chamber 121 of pullover 12 communicate has been increased through reaming 111, thereby make after inserting bushing core 3 into the cavity 11 of sleeve pipe 1, the internal diameter of the hollow of bushing core 3 can more be close to the internal diameter of the cavity 11 of sleeve pipe 1, thereby guaranteed the smooth and easy nature of pipeline intercommunication, structural design is more reasonable.

More specifically, be provided with anti-skidding tooth's socket 13 on sleeve pipe 1's the outer wall, simultaneously, lie in anti-skidding tooth's socket 13 between square joint 2 and pullover 12, can avoid anti-skidding tooth's socket 13 to influence sleeve pipe 1 and connect in the structural strength at the both ends of square joint 2 and pullover 12, can also make when the dismouting, the operator can hold the position that sleeve pipe 1 was provided with anti-skidding tooth's socket 13, the risk of slippage in the follow hand has effectively been avoided, do benefit to the installation, the safety guarantee nature is higher.

More specifically, the sleeve pipe 1 between square joint 2 and pullover 12 is the return bend to, set for the angle of buckling scope of sleeve pipe 1 and be 125 ~ 130, make the change that can realize the pipeline direction, satisfy the installation demand in different installation position, structural design is more reasonable. Preferably, the bending angle of the sleeve 1 is 130 degrees, which meets the installation requirement of a specific occasion.

The U-shaped square joint of the brake pipe provided by the embodiment comprises a sleeve 1, a square joint 2 and a lining core 3; set up square joint 2 and lining core 3 respectively in sleeve pipe 1's both ends, and simultaneously, U type draw-in groove 26 has been seted up to one side that square joint 2 deviates from coupling sleeve 1, make when the installation, location and spacing have been realized through U type draw-in groove 26, make things convenient for quick location installation, the exactness of installation has been guaranteed, assembly efficiency has been improved, and simultaneously, the problem that the aversion appears deflecting in the follow-up use can also be prevented, installation stability is better, in addition, all be provided with tank bottom for the gasket groove 24 of sealed face on square joint 2's the up end and the lower terminal surface, and all set up a plurality of transversal seal grooves 25 of personally submitting "V" font on each sealed face, make after the installation, the gasket in gasket groove 24 can be extruded to in the seal groove 25, sealing performance has been improved, thereby brake system's performance has been guaranteed, the security of car has been promoted.

The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.

Claims

1. Brake pipe U type square connects, its characterized in that includes:

the sleeve is provided with a hollow cavity, one end of the sleeve is provided with a sleeve head, the sleeve head is provided with an inner cavity communicated with the hollow cavity, and the inner diameter of the inner cavity is larger than that of the hollow cavity;

the square joint is a rectangular block, a sleeve hole penetrating through the upper end face and the lower end face is formed in the square joint, one side of the square joint is provided with an inserting hole, a communicating hole is arranged between the inserting hole and the sleeve hole, meanwhile, one end of the sleeve pipe, which is far away from the sleeve head, is inserted into the inserting hole, and the square joint is provided with gasket grooves on the upper end surface and the lower end surface, the gasket groove is an annular groove wound outside the sleeve hole, the bottom of the gasket groove is a sealing surface, meanwhile, a plurality of annular sealing grooves which are arranged at intervals are arranged on the sealing surface, the cross section of each sealing groove is arranged in a V shape, a U-shaped clamping groove is formed in one side, opposite to the side where the jack is arranged, of the square joint along the direction from the upper end face to the lower end face;

2. The brake tube U-shaped block joint according to claim 1, wherein the block joint is a rectangular parallelepiped structure, the insertion hole and the U-shaped clamping groove are respectively located on end surfaces of two ends of the block joint in a length direction, and the insertion hole and the U-shaped clamping groove are both located on a central axis of the block joint in the length direction.

3. The brake tube U-shaped block joint according to claim 1, wherein the notch of the U-shaped clamping groove is arranged in a direction away from the insertion hole, and two side walls of the notch of the U-shaped clamping groove are parallel to each other.

4. The brake tube U-shaped block joint according to claim 1, wherein said seal groove is located on a side of said seal surface adjacent to said trepan bore.

5. The brake tube U-shaped block joint according to claim 1, wherein the block joint and the sleeve and the lining core and the sleeve are welded.

6. The U-shaped block joint for brake tubes according to claim 1, wherein a plurality of annular grooves are formed on the outer wall of the lining core, the annular grooves are wound along the circumferential direction of the lining core, and a space is formed between two adjacent annular grooves.

7. The brake tube U-shaped block joint according to claim 1, wherein the sleeve and the cuff are of a one-piece construction, and the diameter of the cuff is greater than the diameter of the sleeve.

8. The brake tube U-shaped block joint according to claim 1, wherein an end of the hollow of the sleeve communicating with the inner cavity of the sleeve head is provided with a counterbore having an inner diameter larger than an inner diameter of the hollow of the sleeve.

9. A brake tube U-shaped block joint according to claim 1, characterized in that the outer wall of the sleeve is provided with anti-slip splines between the block joint and the sleeve head.

10. The brake tube U-shaped block joint according to claim 1, wherein the sleeve is a bent tube, and the bending angle of the sleeve is in a range of 125-130 °.