CN218839379U

CN218839379U - Fixing support for high-pressure oil pipe

Info

Publication number: CN218839379U
Application number: CN202223210671.XU
Authority: CN
Inventors: 杨旭; 程水良; 叶欣
Original assignee: Saiwo Zhizao Shanghai Technology Co Ltd
Current assignee: Saiwo Zhizao Shanghai Technology Co Ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-04-11
Anticipated expiration: 2032-12-01

Abstract

The utility model discloses a fixed bracket for a high-pressure oil pipe, which comprises a pipe body fastening section, an upper installation connecting section and a lower installation connecting section, wherein the pipe body fastening section is used for locking a pipe body of the high-pressure oil pipe; the whole pipe body fastening section is of an open annular structure, one end of the pipe body fastening section is integrally connected with the upper installation connecting section, and the other end of the pipe body fastening section is integrally connected with the lower installation connecting section; the upper mounting connecting section is provided with an upper hole which is communicated up and down, and the lower mounting connecting section is provided with a lower hole which is communicated up and down; the edge of the orifice of the lower hole is also provided with a lower convex part which can be inserted into the upper hole, and the lower convex part is convex towards one side of the upward installation connecting section; the height of the lower convex part is larger than the height of the upper hole. The utility model discloses simple structure can form better fastening connection structure after being connected with the pressure equipment of high pressure fuel pipe.

Description

Fixing support for high-pressure oil pipe

Technical Field

The utility model relates to an automobile pipeline technical field, especially a fixed bolster for high pressure fuel pipe.

Background

If the high-pressure oil pipe connected with the engine vibrates excessively in the using process, the pipe body of the oil pipe can be subjected to fatigue yielding, and the oil pipe is broken in the future, so that the fuel oil of the automobile can be leaked; meanwhile, after the oil pipe body collides with the engine in the vibration process, the noise of the engine is increased, and resonance is generated. In order to avoid and reduce the above phenomena, a fixing bracket made of metal is generally adopted to fix the high-pressure oil pipe.

In the existing processing technology, generally, the fixing bracket is sleeved on the outer wall of the high-pressure oil pipe body, then the fixing bracket is pressed by using a pressing tool, and the fixing bracket is fixed on the high-pressure oil pipe body after being pressed and bent, as shown in fig. 1, the connection between the fixing bracket and the high-pressure oil pipe is schematically illustrated after the pressing is completed.

As shown in fig. 1, the conventional fixing bracket mainly includes a pipe body fastening section A1 and a mounting connection section A2, wherein a mounting circular hole A3 is further provided on the mounting connection section A2. The pipe body fastening section A1 is a part surrounding the outer ring of the pipe body of the high-pressure oil pipe, is tightly locked on the outer wall of the high-pressure oil pipe after press fitting is completed, and is annular as a whole; the installation connecting section A2 and the pipe body fastening section A1 are integrally connected, extend out towards one side, and the middle part of the installation connecting section A2 is provided with an installation round hole A3, in the subsequent installation process, a bolt penetrates through the installation round hole A3 to enter a bolt hole formed in an engine, and the fixing support and the engine are fixedly connected, so that the connecting strength between the high-pressure oil pipe and the engine is enhanced. The high-pressure oil pipe body is connected with the engine through the fixing support, so that damage to the high-pressure oil pipe due to excessive vibration in the use process of the engine can be reduced.

However, as shown in fig. 1, after the press-fitting of the conventional fixing bracket is completed, that is, after the fixing bracket is fastened to the tube body of the high-pressure oil pipe, since only one mounting connection section A2 is provided, one end of the tube body fastening section A1 is integrally connected with the mounting connection section A2, and the other end of the tube body fastening section A1 is bent and only abutted against the mounting connection section A2 after the press-fitting (that is, the connection strength is weak), in the subsequent process of installing the high-pressure oil pipe, in the process of using the engine, the tube body fastening section A1 is easily loosened/expanded and expanded in the vibration process, so that the fixing bracket and the tube body of the high-pressure oil pipe are loosened, the connection effect is reduced, and the high-pressure oil pipe is more easily vibrated after the loosening.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a fixed bolster for high pressure fuel pipe, mainly solve among the prior art fixed bolster easy not hard up technical problem with high pressure fuel pipe shaft in the use. The utility model discloses simple structure, the fastening connectivity after the pressure equipment is accomplished in the high pressure fuel pipe shaft is better.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a fixed bolster for high pressure fuel pipe, including the tube body used for locking the tube body of the high pressure fuel pipe fastens the section, upper erection joint section and lower erection joint section; the pipe body fastening section is integrally of an arc-shaped structure, one end of the pipe body fastening section is integrally connected with the upper mounting connecting section, and the other end of the pipe body fastening section is integrally connected with the lower mounting connecting section;

the upper mounting connecting section is provided with an upper hole which is communicated up and down, and the lower mounting connecting section is provided with a lower hole which is communicated up and down; the edge of the orifice of the lower hole is also provided with a lower bulge part which can be inserted into the upper hole, and the lower bulge part is upwards provided with a bulge at one side of the connecting section; the height of the lower protruding part is larger than the height of the upper hole.

Further, the upper hole and the lower hole are round holes; the lower convex part is a circular-ring-shaped bulge.

Furthermore, an annular groove is further formed in the upper mounting connecting section around the outer ring of the upper hole, and a notch of the annular groove faces one side of the lower mounting connecting section.

Furthermore, the two side ends of the tube body fastening section are also sleeved with silica gel gaskets, grooves are formed in the silica gel gaskets, and the two side ends of the tube body fastening section are arranged in the grooves.

Furthermore, the pipe body fastening section, the upper installation connecting section and the lower installation connecting section are all made of metal materials.

(III) advantageous effects

Compared with the prior art, the utility model provides a fixed bolster for high pressure fuel pipe possesses following beneficial effect:

will the utility model provides a fixed bolster and high pressure fuel pipe are connected pressure equipment fastening back, the extrusion of the upper end accessible pressure equipment frock of lower bellying produces and warp and forms the turn-ups of tightly detaining in last hole upper end edge, because this turn-ups lateral extension and turn-ups lower extreme support in last hole upper end edge, can prevent down the bellying under continuous exogenic action or shake the influence down and loosen each other with the last hole and take off, thereby tightly pin erection joint section and lower erection joint section better, reduce the pine of fixed bolster and high pressure fuel pipe shaft and take off the risk, possess better joint strength.

Drawings

Fig. 1 is a schematic view of a connection structure of a fixing bracket and a high-pressure oil pipe in the prior art.

Fig. 2 is a schematic structural view of the fixing bracket before the press-fitting connection with the high-pressure oil pipe in the utility model.

Fig. 3 is a sectional view of the fixing bracket before press-fitting and connecting with the high-pressure oil pipe in the utility model.

Fig. 4 is a schematic structural view of the fixing bracket after press fitting.

In the figure:

1-pipe body fastening section, 2-upper mounting connecting section, 3-lower mounting connecting section, 4-lower convex part, 41-flanging, 5-upper hole, 6-annular convex, 7-lower hole, 8-annular groove and 9-silica gel gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 2-4, the utility model provides a fixing bracket for a high-pressure oil pipe, which comprises a pipe body fastening section 1, an upper mounting connection section 2 and a lower mounting connection section 3; the pipe body fastening section 1 is of an open ring structure (shown in figure 2) and is similar to a C shape; one end and the last erection joint section 2 body coupling of pipe shaft fastening section 1, the other end and the lower erection joint section 3 body coupling of pipe shaft fastening section 1.

As shown in fig. 2, which is a schematic structural diagram of a fixing bracket before being press-fitted and fastened to a high pressure oil pipe body, in this embodiment, an upper hole 5 is formed on an upper mounting connecting section 2, an annular groove 8 is further formed on the upper mounting connecting section 2 around the outer ring of the upper hole 5, and a notch of the annular groove 8 faces one side of a lower mounting connecting section 3, since in this embodiment, the annular groove 8 is formed by stamping, accordingly, the annular groove 8 is formed on one side of the upper mounting connecting section 2 during stamping, and the annular protrusion 6 is formed on the other side of the mounting connecting section 2.

As shown in fig. 2, the lower mounting link 3 is provided with a lower projection 4, the lower projection 4 is an annular projection projecting upward from the side of the lower mounting link 2, and a lower hole 7 is formed in the middle of the lower projection 4.

In this embodiment, the upper hole 5 and the lower hole 7 are circular holes, and the lower protruding portion 4 is a circular protrusion; the height of the lower boss 4 is greater than the hole height of the upper hole 5, and the outer ring diameter of the lower boss 4 is slightly smaller than the hole diameter of the upper hole 5. For this, the lower protrusion 4 may be inserted into the upper hole 5 and be higher than the upper end of the upper hole 5 after being inserted into the upper hole 5; in a subsequent press-fitting operation, the portion of the lower boss 4 above the upper end of the upper bore 5 may be press-fitted and deformed to form an everted cuff.

The fixing support in this embodiment is made of metal, in the assembly process, the fixing support shown in fig. 2 is firstly sleeved on the outer wall of the high-pressure oil pipe body, then the upper installation connecting section 2 and the lower installation connecting section 3 are punched and closed by using a punching flanging tool, because the height of the lower protruding part is larger than the hole height of the upper hole 5, the upper end of the lower protruding part (the part higher than the upper hole 5) can be deformed by punching operation in the press-fitting process and forms a flanging flange extending outwards, and the flanging flange in this embodiment is a flanging 41. As shown in fig. 4, after press fitting, the upper mounting connecting section 2 and the lower mounting connecting section 3 are closely attached to each other, and the lower protrusion is inserted into the upper hole 5 and forms a turned-up edge 41 after press fitting, the turned-up edge 41 extending laterally, and the lower end of the turned-up edge 41 being fastened to the outside of the upper opening edge of the upper hole 5 (as shown in fig. 4).

After press fitting, the shank fastening section 1 is deformed from the open circular shape shown in fig. 2 to a relatively closed circular shape shown in fig. 4 and is locked to the high pressure oil pipe shank, which is not shown in fig. 4. And the upper mounting connecting section 2 and the lower mounting connecting section 3 are mutually attached, and the upper mounting connecting section 2 is contracted between the flanging 41 and the lower mounting connecting section 3, so that a better fastening structure is formed. For as shown in fig. 1 the fixed bolster, the utility model provides a fixed bolster in with high pressure fuel pipe fastening back, its fastening nature is better, go up erection joint section 2 and down between the erection joint section 3 because the existence of turn-ups 41 is difficult to take place not hard up to lead to pipe shaft fastening section 1 also difficult and high pressure fuel pipe to produce between the pipe shaft not hard up, can prevent the fixed bolster better and the not hard up back of high pressure fuel pipe shaft and the high pressure fuel pipe that leads to from taking place the damage that too big vibration brought.

And simultaneously, the utility model discloses in, it has annular groove 8 to punch to form on last erection joint section 2, and the notch of this annular groove 8 is towards installation joint section 3 one side down the utility model provides a fixed bolster pressure equipment lock is behind high pressure fuel pipe body, goes up installation joint section 2 and installs joint section 3 down and hug closely each other, and this annular groove 8 is located installation joint section 2 and installs between the joint section 3 down, is formed with round annular space between last installation joint section 2 and the lower installation joint section 3 promptly. In the subsequent installation operation, the fixing bracket is connected and fixed with the engine by using a bolt, the bolt is generally T-shaped, and the lower part of the bolt (namely the bolt rod part with threads) penetrates through the lower hole 7 from top to bottom and then is connected with the threaded hole on the engine. After the bolt connects the stationary bracket to the engine, the lower end of the head portion of the bolt (the portion connected to the upper end of the shank portion of the bolt) will abut against the upper end of the annular boss 6. After the fixing support is fastened with the engine through the bolts, due to the annular groove 8, vibration of the fixing support can be relatively reduced when the engine vibrates, and the damping effect of the fixing support is enhanced.

In order to enhance the connection strength between the pipe body fastening section 1 and the high-pressure oil pipe body, silicone gaskets 9 can be additionally arranged at the left end and the right end of the pipe body fastening section 1, the silicone gaskets 9 are in a concave strip shape, and the end parts of the two sides of the pipe body fastening section 1 are clamped in grooves in the silicone gaskets 9; after the fixing support and the high-pressure oil pipe body are pressed and fastened, the lower end of the silica gel gasket 9 is arranged between the pipe body fastening section 1 and the high-pressure oil pipe body, so that a gap between the fixing support and the high-pressure oil pipe is filled, the connection tightness between the fixing support and the high-pressure oil pipe can be enhanced, and mutual collision between the fixing support and the high-pressure oil pipe can be avoided.

Claims

1. The utility model provides a fixed bolster for high pressure fuel pipe which characterized in that: the high-pressure oil pipe comprises a pipe body fastening section, an upper mounting connecting section and a lower mounting connecting section, wherein the pipe body fastening section is used for tightly locking a high-pressure oil pipe body; the whole pipe body fastening section is of an open arc-shaped structure, one end of the pipe body fastening section is integrally connected with the upper installation connecting section, and the other end of the pipe body fastening section is integrally connected with the lower installation connecting section;

the upper mounting connecting section is provided with an upper hole which is communicated up and down, and the lower mounting connecting section is provided with a lower hole which is communicated up and down; the edge of the orifice of the lower hole is also provided with a lower convex part which can be inserted into the upper hole, and the lower convex part is upwards provided with a bulge at one side of the connecting section; the height of the lower protruding part is larger than the height of the upper hole.

2. The fixing bracket for a high pressure oil pipe according to claim 1, wherein: the upper hole and the lower hole are round holes; the lower convex part is a circular-ring-shaped bulge.

3. The fixing bracket for a high pressure oil pipe according to claim 2, wherein: an annular groove is further formed in the upper mounting connecting section around the outer ring of the upper hole, and a notch of the annular groove faces one side of the lower mounting connecting section.

4. A fixing bracket for a high pressure oil pipe according to any one of claims 1 to 3, characterized in that: and silicone gaskets are sleeved on the two side ends of the pipe body fastening section, grooves are formed in the silicone gaskets, and the two side ends of the pipe body fastening section are arranged in the grooves.

5. The fixing bracket for a high pressure oil pipe according to claim 4, wherein: the pipe body fastening section, the upper mounting connection section and the lower mounting connection section are all made of metal materials.