CN212243324U

CN212243324U - Electronic vacuum pump support and vehicle

Info

Publication number: CN212243324U
Application number: CN202020523087.1U
Authority: CN
Inventors: 庞长江
Original assignee: Chongqing Changan Automobile Co Ltd
Current assignee: Chongqing Changan Automobile Co Ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-12-29
Anticipated expiration: 2030-04-10

Abstract

The utility model discloses an electronic vacuum pump bracket and a vehicle, which comprises a bracket body, a wire harness bracket, a breather pipe bracket and a bushing; the bracket body is L-shaped as a whole and comprises an upper plate body and a lower plate body, the upper end of the lower plate body is fixedly connected with the rear side of the upper plate body, the front side of the upper plate body is provided with an upward extending upper flanging, the upper flanging is provided with a first wire harness fixing hole, and the upper plate body is provided with a vacuum pump mounting hole; the lower plate body is provided with a first support mounting hole and a second support mounting hole, and the two bushings are assembled on the lower plate body in an interference fit manner through the first support mounting hole and the second support mounting hole; the lower end of the wire harness support and the lower end of the vent pipe support are respectively welded on the upper plate body; the wire harness support is provided with a second wire harness fixing hole; a first vent pipe fixing hole and a second vent pipe fixing hole are formed in the vent pipe support. The utility model discloses effectively reduced vacuum pump work vibration noise transmission effect, promoted whole car riding comfort.

Description

Electronic vacuum pump support and vehicle

Technical Field

The utility model belongs to the technical field of automobile parts, concretely relates to electron vacuum pump support and vehicle.

Background

Under the conditions of different heights and temperatures of the automobile, the power of the engine is different, and the vacuum degree provided by the engine is also changed. Under the extreme operating mode such as high temperature, plateau, the engine can not lead to supplementary vacuum system ability not enough when providing sufficient vacuum for vacuum braking system, and braking force is not enough, has enough vacuum for guaranteeing braking system this moment, and the whole car has adopted and has increased the electron vacuum pump, independently for braking system evacuation.

The electronic vacuum pump is mainly fixed on an engine through a bracket to prevent the vibration noise of the vacuum pump from transmitting into a vehicle, but due to the limitation of the arrangement and installation space of the engine, sometimes the electronic vacuum pump needs to be separately fixed on a vehicle body longitudinal beam, and the arrangement situation usually has the following problems:

(1) the vacuum pump bracket is rigidly connected with the vehicle body, so that the vibration of the transmission vacuum pump is obvious, the noise in the vehicle is large, and the riding comfort is poor;

(2) when the electronic vacuum pump is arranged on the longitudinal beam, the position of the air outlet of the vacuum pump is lower than the wading line of the whole vehicle, and in order to ensure the height of the air outlet of the vacuum pump, the vacuum pump support is generally designed to be higher under the condition that the mounting point of the support is unchanged so as to integrally raise the mounting height of the vacuum pump, so that the vacuum pump support is more in material consumption and heavy in mass;

(3) the vacuum pump and the bracket are difficult to assemble, so that the overall assembly progress of the whole vehicle is influenced;

(4) the vacuum pump bracket has a complex structure and higher quality and cost.

As shown in fig. 1, the conventional electronic vacuum pump bracket 10 has a large Z-direction height, and the Z-direction height of the bracket mounting surface 1 is raised under the condition that the bracket mounting point is not changed, so as to ensure that the position of the vacuum pump exhaust port is higher than the finished automobile wading line; the vacuum pump support has a complex structure, and after the Z-direction height of the support is too high, more reinforcing ribs are designed for improving the strength of the support, so that a support mold has a complex structure and higher cost; on the support mounting hole, because two mounting points in the right part are only different in height and cannot realize the positioning and fixing effects, three-point fixing is adopted, and the assembly difficulty and the process operation time are increased during final assembly.

Therefore, there is a need to develop a new electronic vacuum pump bracket and a vehicle.

Disclosure of Invention

The utility model aims at providing an electronic vacuum pump bracket and a vehicle, which can be directly assembled on a vehicle body longitudinal beam, and the bracket has simple structure, light weight and easy assembly process; meanwhile, the design of the lining is added on the design of the support structure, the primary damping structure is added in the process that the vibration of the vacuum pump is transmitted to the vehicle body, so that the vacuum pump belt support assembly is flexibly connected with the vehicle body, the transmission effect of the working vibration noise of the vacuum pump can be effectively reduced, and the riding comfort of the whole vehicle is improved.

In a first aspect, the present invention provides an electronic vacuum pump support, which comprises a support body, a harness support, a breather pipe support and a bushing;

the bracket body is L-shaped as a whole and comprises an upper plate body and a lower plate body, the upper end of the lower plate body is fixedly connected with the rear side of the upper plate body, the front side of the upper plate body is provided with an upward extending upper flanging, the upper flanging is provided with a first wire harness fixing hole, and the upper plate body is provided with a vacuum pump mounting hole;

the lower plate body is provided with a first support mounting hole and a second support mounting hole, and the two bushings are assembled on the lower plate body in an interference fit manner through the first support mounting hole and the second support mounting hole;

the lower end of the wire harness support and the lower end of the vent pipe support are respectively welded on the upper plate body; the wire harness support is provided with a second wire harness fixing hole; a first vent pipe fixing hole and a second vent pipe fixing hole are formed in the vent pipe support.

Furthermore, the right part of the upper plate body is provided with a boss protruding upwards, and the lower end of the vent pipe bracket is welded on the boss; the boss is used for strengthening the structural strength of the upper plate body.

Furthermore, the left part of going up the plate body is equipped with the strengthening rib of indent, the strengthening rib is from last plate body left side extremely down on the plate body.

Further, the wire harness support is welded to the left portion of the rear edge of the upper plate body.

Furthermore, a first flanging extending downwards is arranged at the left end of the upper plate body, a second flanging extending forwards is arranged at the left end of the lower plate body, and the first flanging and the second flanging are welded together; the strength of the bracket body can be enhanced;

furthermore, a backward sinking platform is arranged at the left part of the lower plate body, the first support mounting hole is arranged on the sinking platform, and the area of a matching surface can be reduced by arranging the sinking platform, so that the precision control difficulty of the plane of the sinking platform is reduced; the second bracket mounting hole is arranged at the right part of the lower plate body.

Further, first support mounting hole and second support mounting hole all have the dovetail groove, and the dovetail groove of first support mounting hole is down, and the dovetail groove of second support mounting hole is towards the right side.

Further, the bushing comprises a bushing body and a lining pipe, the bushing body is sleeved on the lining pipe, and the length of the lining pipe is smaller than that of the bushing body; the cushioning effect is realized to the bush, and the bushing assembly fixed action is realized to the bushing pipe to and prevent that assembly torsion from too big reduction bush's elasticity.

Further, be equipped with the bush recess on the bush body, two bushes are assembled to corresponding first support mounting hole and second support mounting hole through the opening of the bush recess card income dovetail groove of self respectively.

In a second aspect, a vehicle, adopt like the utility model an electron vacuum pump support.

The utility model has the advantages of it is following: the novel energy-saving device has the advantages of simple structure, less material consumption, light weight and reduced occupied space; by applying the reinforcing ribs, the flanges, the bosses and the like of the bracket, the integral strength of the electronic vacuum pump bracket is improved, and the durable service performance is ensured; meanwhile, the design of the lining and the liner tube is added on the structural design of the bracket, so that the transmission of vibration noise of the electronic vacuum pump can be effectively reduced; the length of the liner tube in the liner sleeve is smaller than that of the liner sleeve body, the liner sleeve body can be prevented from being compressed to be in rigid connection when the support is locked, and the liner sleeve can prevent the liner sleeve from being stressed and invalid while reducing the swing amplitude of the vacuum pump and the support; the slotting directions of the vacuum pump support mounting holes are set to different directions, so that the support vibration is prevented from causing the lining assembly to be separated from the support mounting holes in the actual use process.

Drawings

Fig. 1 is a schematic diagram of a background art structure.

Fig. 2 is a front view of the support structure of the electronic vacuum pump of the present invention.

Fig. 3 is a top view of the present invention.

Fig. 4 is a sectional view a-a of fig. 2.

Fig. 5 is a schematic structural diagram of the stent body of the present structure.

FIG. 6 is a schematic view of the structure assembled with an electronic vacuum pump and a breather pipe.

Fig. 7 is an assembly schematic diagram of the present invention on the whole vehicle.

In the figure, 1-upper plate body, 1.1-first flanging, 1.2-upper flanging, 1.21-first harness fixing hole, 1.3-boss, 1.4-reinforcing rib, 1.5-vacuum pump mounting hole, 2-lower plate body, 2.1-second flanging, 2.2-sinking platform, 2.3-first bracket mounting hole, 2.4-second bracket mounting hole, 2.5-trapezoidal groove, 3-wire harness bracket, 3.1-second harness fixing hole, 4-vent pipe bracket, 4.1-first vent pipe fixing hole, 4.2-second vent pipe fixing hole, 5-bushing, 5.1-bushing body, 5.11-bushing groove, 5.2-bushing pipe, 6-vacuum pump assembly, 6.1-shock pad, 6.2-vacuum pump, 6.21-ribbon and pipe clamp, 7-vacuum pump assembly, 7.1-ribbon, 8-vehicle body longitudinal beam, 9-mounting nut and 10-existing electronic vacuum pump support.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 2 and 3, an electronic vacuum pump bracket includes a bracket body, a harness bracket 3, a breather pipe bracket 4, and a bushing 5. The support body is integrally L-shaped and comprises an upper plate body 1 and a lower plate body 2, the upper end of the lower plate body is fixedly connected with the rear side of the upper plate body 1, the upper plate body 1 is used for assembling a vacuum pump assembly 6, and the lower plate body 2 is used for assembling an electronic vacuum pump support on a vehicle body. The front side of the upper plate body 1 is provided with an upward extending upper flange 1.2, the upper flange 1.2 is provided with a first wire harness fixing hole 1.21, and the upper plate body 1 is provided with a vacuum pump mounting hole 1.5. First support mounting hole 2.3 and second support mounting hole 2.4 have been seted up on the plate body 2 down, two bushes 5 are through first support mounting hole 2.3, 2.4 interference fit assembly on plate body 2 down. The lower end of the wire harness support 3 and the lower end of the vent pipe support 4 are respectively welded on the upper plate body 1; a second wire harness fixing hole 3.1 is formed in the wire harness support 3; the breather pipe support 4 is provided with a first breather pipe fixing hole 4.1 and a second breather pipe fixing hole 4.2.

In this embodiment, the right portion of the upper plate body 1 is provided with a boss 1.3 protruding upward, and the boss 1.3 is used for enhancing the structural strength of the upper plate body 1. The lower end of the breather pipe bracket 4 is welded on the boss 1.3.

In this embodiment, the left portion of the upper plate body 1 is provided with an inward-concave reinforcing rib 1.4, and the reinforcing rib 1.4 extends from the left side of the upper plate body 1 to the lower plate body 2.

In this embodiment, the wire harness bracket 3 is welded to the left portion of the rear side of the upper plate body 1.

In this embodiment, the left end of the upper plate body 1 is provided with a first flanging 1.1 extending downwards, the left end of the lower plate body 2 is provided with a second flanging 2.1 extending forwards, and the first flanging 1.1 and the second flanging 2.1 are welded together; the vibration resistance of the bracket body is enhanced.

In this embodiment, the left part of lower plate body 2 is equipped with the heavy platform 2.2 of backward, and first support mounting hole 2.3 sets up on this heavy platform 2.2, sets up heavy platform 2.2 and can reduce the area of matching face, reduces heavy platform 2.2 plane accuracy control degree of difficulty. The second bracket mounting hole 2.4 is arranged at the right part of the lower plate body 2.

In the present embodiment, as shown in fig. 2 and 5, the first bracket mounting hole 2.3 and the second bracket mounting hole 2.4 both have a trapezoidal groove 2.5, and the trapezoidal groove 2.5 of the first bracket mounting hole 2.3 faces downward, and the trapezoidal groove 2.5 of the second bracket mounting hole 2.4 faces rightward. The trapezoidal groove 2.5 has a large opening and a small inner opening, so that the bushing 5 is convenient to mount. The first support mounting hole 2.3 and the second support mounting hole 2.4 are respectively positioned at different heights, and the overall positioning of the support body can be realized through the first support mounting hole 2.3 and the second support mounting hole 2.4. In the fluting direction, the fluting direction of first support mounting hole 2.3 and second support mounting hole 2.4 is different, can guarantee that the support body does not deviate from bush 5 too big at the vibration in-process amplitude.

As shown in fig. 2, 4 and 5, in this embodiment, the bushing 5 includes a bushing body 5.1 and a liner tube 5.2, the bushing body 5.1 is sleeved on the liner tube 5.2, the length of the liner tube 5.2 is 0.5mm shorter than that of the bushing body 5.1, the bushing 5 achieves a damping effect, the liner tube 5.2 achieves an assembling and fixing effect of the bushing body 5.1, and prevents the assembling torsion from being too large to reduce the elasticity of the bushing body 5.1. Be equipped with bush recess 5.11 on the bush body 5.1, two bushes 5 are gone into the opening of dovetail groove 2.5 and are assembled corresponding first support mounting hole 2.3 and second support mounting hole 2.4 through the bush recess 5.11 card of self respectively.

In a second aspect, a vehicle according to the present invention employs the electronic vacuum pump support as described in this embodiment.

As shown in fig. 6, the vacuum pump assembly 6 is installed in the vacuum pump installation hole 1.5 through the shock pad 6.1, the vacuum pump wiring harness 6.2 is respectively fixed on the first wiring harness fixing hole 1.21 and the second wiring harness fixing hole 3.1 through the binding belt and the pipe clamp 6.21, and the two fixing points are helpful for preventing the wiring harness from shaking left and right during the operation of the vacuum pump and interfering with the rest parts and parts; the vacuum pump vent pipe assembly 7 is fixed in a first vent pipe fixing hole 4.1 and a second vent pipe fixing hole 4.2 on the vent pipe support 4 through a binding belt 7.1, the vent pipe has the function of raising the height of a vacuum pump air outlet, and the height of the vacuum pump air outlet can be reduced by additionally arranging the vent pipe so as to ensure that the vacuum pump air outlet is higher than a complete vehicle wading line due to the fact that the vacuum pump is arranged on a vehicle body longitudinal beam 8 and is lower in height, and the weight of the support body is reduced;

as shown in fig. 4 and 7, when the bushing 5 is not assembled, the bushing body 5.1 is in a relaxed state, when the electronic vacuum pump bracket is assembled to the vehicle body, the nut directly contacts the liner tube 5.2, the liner tube 5.2 compresses the bushing body 5.1 again, when the liner tube 5.2 compresses the bushing body 5.1 until the liner tube 5.2 directly contacts with the vehicle body in a hard manner, the electronic vacuum pump bracket is assembled, at this time, the compression amount of the bushing body 5.1 is 0.5mm, an elastic optimal state is achieved, and an overall shock absorption effect of the vacuum pump assembly 6 and the electronic vacuum pump bracket is achieved, at this time, the electronic vacuum pump and the electronic vacuum pump bracket are in a flexible connection (the connected assembly is hereinafter referred to as a vacuum pump belt bracket assembly), and the vacuum pump belt bracket assembly and the vehicle body longitudinal beam 8 are.

As shown in figure 7, the vacuum pump belt support assembly is fixed on a vehicle body longitudinal beam 8 through a mounting nut 9, when the vacuum pump works, the vacuum pump is provided with a damping pad 6.1 to reduce the vibration transmitted to the support body by the vacuum pump, a lining 5 on the support body can reduce the vibration transmitted to the whole vehicle by the vacuum pump belt support assembly, and a one-level damping structure is added on the electronic vacuum pump support, so that the noise of the vacuum pump is reduced, and the comfort of the whole vehicle is improved.

Claims

1. An electronic vacuum pump support, its characterized in that: comprises a bracket body, a wire harness bracket (3), a vent pipe bracket (4) and a lining (5);

the support body is L-shaped as a whole and comprises an upper plate body (1) and a lower plate body (2) of which the upper end is fixedly connected with the rear side of the upper plate body (1), an upward extending upper flanging (1.2) is arranged on the front side of the upper plate body (1), a first wire harness fixing hole (1.21) is formed in the upper flanging (1.2), and a vacuum pump mounting hole (1.5) is formed in the upper plate body (1);

the lower plate body (2) is provided with a first support mounting hole (2.3) and a second support mounting hole (2.4), and the two bushings (5) are assembled on the lower plate body (2) in an interference fit mode through the first support mounting hole (2.3) and the second support mounting hole (2.4);

the lower end of the wire harness support (3) and the lower end of the vent pipe support (4) are respectively welded on the upper plate body (1); a second harness fixing hole (3.1) is formed in the harness support (3); a first vent pipe fixing hole (4.1) and a second vent pipe fixing hole (4.2) are formed in the vent pipe support (4).

2. An electronic vacuum pump holder as claimed in claim 1, wherein: the right part of the upper plate body (1) is provided with a boss (1.3) protruding upwards, and the lower end of the vent pipe support (4) is welded on the boss (1.3).

3. An electronic vacuum pump holder as claimed in claim 1 or 2, wherein: go up the left part of plate body (1) and be equipped with strengthening rib (1.4) to the indent, strengthening rib (1.4) from last plate body (1) left side extremely on lower plate body (2).

4. An electronic vacuum pump holder as claimed in claim 3, wherein: the wire harness support (3) is welded to the left portion of the rear side of the upper plate body (1).

5. An electronic vacuum pump holder as claimed in claim 1, 2 or 4, wherein: the left end of the upper plate body (1) is provided with a first flanging (1.1) extending downwards, the left end of the lower plate body (2) is provided with a second flanging (2.1) extending forwards, and the first flanging (1.1) and the second flanging (2.1) are welded together.

6. An electronic vacuum pump holder as claimed in claim 5, wherein: the left part of lower plate body (2) is equipped with heavy platform (2.2) backward, and first support mounting hole (2.3) set up on this heavy platform (2.2), and second support mounting hole (2.4) offer the right part at lower plate body (2).

7. An electronic vacuum pump holder as claimed in claim 6, wherein: first support mounting hole (2.3) and second support mounting hole (2.4) all have dovetail groove (2.5), and dovetail groove (2.5) of first support mounting hole (2.3) are down, and dovetail groove (2.5) of second support mounting hole (2.4) are towards the right side.

8. An electronic vacuum pump holder as claimed in claim 7, wherein: the bushing (5) comprises a bushing body (5.1) and a bushing pipe (5.2), the bushing body (5.1) is sleeved on the bushing pipe (5.2), and the length of the bushing pipe (5.2) is smaller than that of the bushing body (5.1).

9. An electronic vacuum pump holder as claimed in claim 8, wherein: be equipped with bush recess (5.11) on bush body (5.1), two bushes (5) are gone into the opening of dovetail groove (2.5) and are assembled corresponding first support mounting hole (2.3) and second support mounting hole (2.4) through bush recess (5.11) card of self respectively.

10. A vehicle, characterized in that: use of an electronic vacuum pump holder as claimed in any of claims 1 to 9.