CN220726554U - Split bracket system for pump and pump system - Google Patents

Abstract

The present utility model provides a split mount system for a pump, comprising: a bracket assembly (2) for mounting the pump (10) to a vehicle body, wherein the bracket assembly comprises a first bracket (21) and a second bracket detachably fixedly connected to the first bracket; a first-stage vibration damping structure (3) and a second-stage vibration damping structure (4) disposed between the pump (10) and the first bracket (21); a third-stage vibration damping structure (5) disposed between the first bracket (21) and the second bracket (22); and a heat shielding plate (6) fixedly connected to the second bracket (22). Above-mentioned split type bracket system can cut off the conduction path of vibration through at least tertiary damping vibration attenuation, can reduce the vibration conduction of high low frequency effectively to simple structure for can not have the nail and install between pump body and the support, simplify assembly flow, compact structure. The utility model also provides a pump system comprising the split bracket system.

Description

Split bracket system for pump and pump system

Technical Field

The present utility model relates to the field of pump devices, and more particularly to a split bracket system for mounting a pump to a body of a vehicle, and a pump system including such a split bracket system.

Background

Pumps are widely used in the automotive field, often being optionally mounted to a vehicle at different locations (e.g. on the engine or body) for different functions and purposes. However, since the pump is operated at a high speed, there is a large vibration which is directly transmitted to a vehicle portion to which the pump is connected, thus causing discomfort to the person on the vehicle. Therefore, special designs of the bracket system for the pump are often required to achieve vibration isolation, vibration reduction.

The damping designs known at present have at least one of the following disadvantages: because the high-speed operation of the air pump needs to take special consideration on the bracket system to achieve the purpose of vibration reduction, in the prior known design, a whole circle of damping rubber pad is required to be arranged on the outer side of the pump body to be fixed by a metal bracket, and the large consumption of the design rubber causes serious waste of structural redundancy, which is not beneficial to the lightweight design of the bracket system; at present, all mounting brackets of an automobile pump body are of an integrated structure, and a single-stage damping system cannot meet increasingly severe NVH requirements; the existing bracket body is mostly injection molded, the complex cost of the die is high, the existing bracket body has single function, and only single parts are connected/supported without protection function; the traditional support is in a bolt fastening mode, and is large in volume space and easy to withdraw wires in a vibration environment.

Disclosure of Invention

In order to overcome at least one of the above problems, it is desirable to provide a split mount system for a pump that employs at least a three-stage vibration damping structural design that is capable of not only cutting off the conduction path of vibration but also effectively reducing the high and low frequency vibration conduction. By means of such a split bracket system, the pump body and the bracket can be connected by snap-in connection and also a heat shielding function can be provided for the pump.

To this end, the present utility model provides a split mount system for a pump, comprising: a bracket assembly for mounting the pump to a vehicle body, wherein the bracket assembly includes a first bracket and a second bracket detachably fixedly connected to the first bracket; a first stage vibration reduction structure and a second stage vibration reduction structure disposed between the pump and the first bracket; a third stage vibration reduction structure disposed between the first and second brackets; and a heat shield plate fixedly connected to the second bracket.

According to the split type bracket system, a vibration reduction structure, such as a damping rubber structure, of a whole circle is omitted, and the vibration reduction structure is only arranged in the connection area of the first bracket and the second bracket and the connection area of the bracket component and the pump body, so that three-level damping vibration reduction can be realized, the vibration conduction path is cut off, and the vibration conduction of high and low frequencies is effectively reduced. Further, by providing the heat shielding plate, for example, the influence of heat generated by the engine on the pump can be effectively prevented.

According to a preferred embodiment of the present utility model, the first bracket is configured to include a first base provided with a first mounting hole through which a shaft of the pump passes, and a connecting arm extending perpendicularly to the first base, the first stage vibration damping structure being provided between the first mounting hole and the shaft. And, the distal end of the connection arm may form a socket portion adapted to be inserted into a second mounting hole provided in the pump housing of the pump, and the second-stage vibration reduction structure is provided between the second mounting hole and the socket portion. In this scheme, the pump can be connected to the first subassembly of support subassembly through the grafting mode, can realize the no nail installation, has simplified the assembly flow to compact structure.

According to one aspect of the utility model, the pump is mounted to the vehicle body by a second bracket with a support structure therebetween, and the second bracket includes a second base and first, second and third bracket arms extending from the second base, wherein the heat shield plate is fixedly mounted to the first and second bracket arms.

According to one aspect of the utility model, the first base is further provided with a plurality of first connecting holes spaced apart from the first mounting holes, the second base is provided with a corresponding plurality of second connecting holes, and the first bracket and the second bracket are fixedly connected together with the first connecting holes, the second connecting holes and the fasteners through the third-stage vibration damping structure.

In a preferred scheme, the number of first connecting hole and second connecting hole is three and arrange into triangle-shaped, third level damping structure includes three damping piece, and every damping piece includes damping body and two screw rod sections that extend from the both ends of this damping body, the fastener is C shape jump ring, two screw rod sections pass respectively first connecting hole and second connecting hole and with C shape jump ring cooperation with first support and second support fixed connection together.

According to one aspect of the utility model, the first support arm is provided with a first connection through hole and the second support arm is provided with a second connection through hole, and the heat shield plate is provided with corresponding first and second plate connection through holes, wherein the heat shield plate is detachably fixedly connected to the second support by means of a first threaded fastener passing through the first and first plate connection through holes and a second threaded fastener passing through the second and second plate connection through holes.

According to one aspect of the utility model, the first or second carrier arm is provided with a third connecting through hole, the third carrier arm is provided with a fourth connecting through hole, the second carrier is fixedly connected to the vehicle body by cooperation of a third threaded fastener with the third and fourth connecting through holes, and the support structure comprises a support pad arranged between the second carrier and the vehicle body at the third and fourth connecting through holes. Preferably, the support pad may be made of a rubber material or a plastic material, in which case the support pad forms a fourth-stage vibration damping structure between the second bracket and the vehicle body, thereby providing a better vibration damping effect.

According to a preferred embodiment of the present utility model, the second bracket arm and/or the third bracket arm is further provided with a harness mounting hole for other harnesses to facilitate mounting of the other harnesses.

The present utility model also provides a pump system including a pump and a split bracket system for mounting the pump to a vehicle body.

By adopting the technical scheme, the utility model can produce at least one of the following beneficial technical effects: the rubber consumption is small, the material consumption for stamping forming the bracket body is small, and the weight reduction of the bracket system is facilitated; three-level damping vibration reduction is realized through reasonable arrangement of the five damping units, and a vibration conduction path is cut off, so that high-frequency and low-frequency vibration conduction can be effectively reduced; the structure is simple, the pump body and the bracket are connected through quick insertion, the non-nailing installation is realized, the assembly process is simplified, and the structure is compact; the bending part of the bracket is provided with a reinforcing rib, so that the structural strength is high; a check buckle such as a C-shaped clamp spring is arranged at the contact end part of the damping rubber, so that the damping rubber can be effectively prevented from loosening; one piece is multipurpose and integrates a plurality of functions.

Drawings

Further features and advantages of the utility model will become more apparent from reading the following detailed description with reference to the accompanying drawings in which:

FIG. 1 shows a schematic diagram of a pump system according to one embodiment of the utility model;

FIG. 2 is an exploded view of the pump system of FIG. 1, showing the pump and split mount system;

FIG. 3 illustrates an exploded view of the first and second stage damping structures and pump of the split mount system;

FIG. 4 shows a schematic structural view of the first stage damping structure and the second stage damping structure assembled to a pump;

FIG. 5 shows a schematic structural view of a split bracket system according to the present utility model, wherein the first stage damping structure and the second stage damping structure are not shown;

FIG. 6 illustrates a partially exploded view of the split bracket system illustrated in FIG. 5, without the first stage damping structure, the second stage damping structure and the heat shield plate;

FIG. 7 is a schematic view showing the assembly of a first bracket and a second bracket together by a third stage vibration reduction structure in accordance with the present utility model;

FIG. 8 is a partial cross-sectional view of the structure shown in FIG. 7;

fig. 9 is an enlarged view of a portion a shown in fig. 8;

FIG. 10a is a schematic view of the structure of one embodiment of a first bracket according to the present utility model;

FIG. 10b is a schematic view of the structure of one embodiment of a second bracket according to the present utility model;

FIG. 10c is a schematic structural view of one embodiment of a heat shield plate according to the present utility model;

FIG. 11a is a schematic view of the configuration of the vibration damping member in cooperation with a C-shaped snap spring according to the present utility model; and

fig. 11b is an exploded view of the structure shown in fig. 11 a.

Detailed Description

The utility model is described in further detail below with reference to the drawings and to specific embodiments. Description of orientations such as "upper", "lower", "inner", "outer", "radial", "axial", etc. that may be used in the following description are for convenience of description only and are not intended to be limiting in any way unless explicitly stated. Furthermore, terms such as "first," "second," and the like, are used hereinafter to describe elements of the present application, and are merely used for distinguishing between the elements and not intended to limit the nature, sequence, order, or number of such elements. In addition, it should be noted that in the present specification, the same technical features are given the same or similar reference numerals.

The present utility model proposes a split bracket system that is an improvement over the prior art, comprising a bracket assembly for connecting a pump to a vehicle body, the bracket assembly comprising two independent brackets, between each bracket, a vibration damping structure being provided between the bracket and the pump and between the bracket and the vehicle body, the vibration damping structure constituting a multi-stage vibration damping structure for the pump. Two supports can be made through stamping forming, so that the lightweight design of the support can be realized, the use amount of rubber is reduced, and the increasingly severe NVH requirements can be met through the multistage vibration damper. More advantageously, the split bracket system is further provided with a heat shield plate which may be arranged between the pump and, for example, the engine for preventing the heat generated by the engine from affecting the pump.

Fig. 1 shows a schematic structural view of one embodiment of a pump system 100 according to the present utility model, the pump system 100 comprising a pump 10 and a split bracket system 1 capable of mounting the pump to the body of a vehicle. Fig. 2 shows an exploded view of the above-described pump system 100, and fig. 5 shows a schematic view of the structure of one embodiment of the split bracket system 1. As can be seen from the figures, the split bracket system 1 comprises a bracket assembly 2 having a first bracket 21 and a second bracket 22, a first stage vibration damping structure 3 and a second stage vibration damping structure 4 (see fig. 3 and 4) disposed between the pump 10 and the first bracket 21, a third stage vibration damping structure 5 disposed between the first bracket 21 and the second bracket 22, and a heat shielding plate 6 fixedly connected to the second bracket 22. In this embodiment, the first bracket, the second bracket and the heat shielding plate are preferably made of a press-formed material, which is less in material consumption, facilitating the weight reduction of the bracket system.

At least three-stage damping structure is included in the pump system 100 shown in fig. 1. These damping structures preferably take the form of damping rubber. It should be noted that in this embodiment and other embodiments to be described later, it is preferable that the damping coefficients of the respective stage damping structures constituting the multistage damping device are different from each other. For example, in this embodiment, the first-stage vibration reduction structure 3 may have a hardness (e.g., shore hardness) that is less than the hardness of the second-stage vibration reduction structure 4.

With the split bracket system 1 according to the utility model, the pump 10 can be quickly mounted to the bracket assembly 2, in particular to the first bracket 21, by means of a plug-in connection, so that a nailer-free mounting between the pump 10 and the bracket assembly 2 is achieved, and the assembly process is simplified, so that the pump 10 and the bracket assembly 2 are compact. In addition, the pump 10 is connected to the body of the vehicle by the second bracket 22 of the split bracket system 1.

Referring to fig. 5, 6 and 10a, the first bracket 21 of the bracket assembly 2 comprises a plate-like first base 210 and a connecting arm 211 extending upwardly generally perpendicular to the first base 210, the first base 210 further being provided with a first mounting hole 103 (here circular) adapted to be passed through by a shaft 102 (see fig. 2) of the pump 10, the first stage vibration damping structure 3 being arranged between the first mounting hole 103 and the shaft 102. The end of the connecting arm forms a socket 212 adapted to be inserted into a second mounting hole 104 provided in the pump housing 101 of the pump 10, and the second stage vibration damping structure 4 is provided between the second mounting hole 104 and the socket 212. The first base 210 of the first bracket is further provided with three first connection holes 213 spaced apart from the first mounting hole 103, the three first connection holes 213 being arranged in a triangle. It should be understood that other numbers of first connecting holes 213 may be provided and are also within the scope of the present application.

Referring again to fig. 3 and 4, the primary vibration reduction mechanism 3 is configured in the form of a collar provided with an annular groove on its circumferential outer surface so that the primary vibration reduction structure 3 can be caught in this first mounting hole 103 by means of the annular groove, the primary vibration reduction structure 3 being fitted over the shaft 102 so that the shaft 102 of the pump 10 is fixedly mounted to the first bracket 21. Referring again to fig. 1, there is shown an installed condition of the pump 10 wherein the shaft 102 of the pump 10 extends downwardly below the bracket assembly 2, and the pump body is located above the first bracket 21, in a configuration which makes it possible to more stably retain the pump on the bracket assembly by means of the weight of the pump itself.

In the illustrated embodiment, a protruding mounting portion is provided at the outer periphery of the pump housing 101, in which a second mounting hole 104 is provided, which is configured in the form of a rectangular through hole. The second-stage vibration damping structure 4 is correspondingly constructed in the form of a rectangular block with openings 40 shaped to accommodate the insertion of the plug-in connection 212. In actual installation, the second-stage vibration reduction structure 4 may be first installed onto the insertion portion 212, and then the insertion portion 212 together with the second-stage vibration reduction structure 4 may be inserted and held in the second installation hole 104. For example, a pair of stops for holding the second-stage damping structure 4 is provided on the plug-in part 212, which can be formed jointly by stop structures of different design, for example, a stop flange 214 and a stop 215 as shown in fig. 10 a.

Referring to fig. 10b, there is shown an embodiment of a second bracket 22 of the bracket assembly 2 according to the utility model, the second bracket 22 comprising a plate-like second base 220, and a first bracket arm 221, a second bracket arm 222 and a third bracket arm 223 extending obliquely relative to the second base, adjacent two bracket arms being substantially 120 ° relative to the second base. The pump 10 is fixedly mounted to a vehicle body (not shown) by a second bracket 22. The second base 220 is provided with three second connection holes 224 corresponding to the first connection holes 213 on the first bracket 21. The first bracket arm 221 is provided with a first connection hole 2211, the second bracket arm 222 is provided with a second connection hole 2221, the second bracket arm 222 is provided with a third connection hole 2222, the third bracket arm 223 is provided with a fourth connection hole 2231, and the second bracket can be fixedly connected to a vehicle body (not shown) by the cooperation of a third threaded fastener (not shown) with the third connection hole 2222 and the fourth connection hole 2231. Preferably, the second and/or third bracket arms are further provided with harness mounting holes for other harnesses. Referring particularly to fig. 10b, a harness mounting hole 2223 is provided in the second bracket arm for mounting other suitable harnesses.

Referring to fig. 7 and 8, the first bracket 21 and the second bracket 22 are fixedly coupled together by the third-stage vibration reduction structure 5 with the first coupling hole 213, the second coupling hole 224, and a fastener such as a C-shaped clip spring. In the mounted state, the first bracket 21 is located above the second bracket 22.

Referring to fig. 9, 11a and 11b, the third stage damping structure 5 comprises three damping members 50, each of said damping members 50 comprising a damping body 51 and two screw segments 52 extending from both ends of the damping body, a stop boss 54 being provided at the outermost end of each screw segment 52. When the first bracket 21 and the second bracket 22 are connected, one screw section 52 of each damper 50 is extended through the first connecting hole 213 of the first bracket 21, the other screw section 52 is extended through the second connecting hole 224 of the second bracket 22, and then the C-shaped snap spring 55 is snapped onto the portion of the screw section 52 located between the end face 56 of the damper body 51 and the stopper protrusion 54. The connecting mode has high installation efficiency, stable connection and no yarn withdrawal. Also, it will be appreciated by those skilled in the art that such a shaped damper can allow for the use of less stiff damping materials such as rubber by increasing the cushioning path.

Referring to fig. 10c, one embodiment of a heat shield plate 6 according to the present utility model is shown. The heat shield plate 6 is provided with respective first and second plate connecting through holes 61 and 62, and the heat shield plate 6 is detachably and fixedly connected to the first and second bracket arms 221 and 222 of the second bracket 22 by means of first threaded fasteners 63 passing through the first and second connecting through holes 2211 and 61 and second threaded fasteners 64 passing through the second and second connecting through holes 2221 and 62 (see fig. 5). The dimensions of the heat shield plate 6 are selected to shield the side of the pump 10 that is adjacent to the engine when the pump 10 is mounted on the bracket assembly 2, thereby preventing heat generated by the engine from affecting the pump (see fig. 1).

Advantageously, referring again to fig. 2, a support structure is also provided between the vehicle body and the second bracket 22, which may be, for example, a support pad 7 arranged between the second bracket 22 and the vehicle body at the third connecting through hole 2222 and at the fourth connecting through hole 2231, the shape of the support pad 7 conforming to the shape of the corresponding through hole, for example, the third connecting through hole 2222 being racetrack-shaped, the support pad at which the hole is provided also being configured as racetrack-shaped. The fourth connecting through-hole 2231 is U-shaped, and the support pad is also configured in a U-shape. The support pad may be made of metal. In a preferred embodiment, the support pad 7 may be made of a rubber material or a plastic material. In this case, a fourth-stage vibration reduction structure may be formed between the second bracket 22 and the vehicle body, thereby further isolating the conduction of vibration.

As mentioned above, the damping coefficients of the respective stage damping structures constituting the multistage damping device are different from each other. For example, in the present embodiment, the first-stage vibration damping structure 3 may be designed to have a hardness (e.g., shore hardness) greater than that of the second-stage vibration damping structure 4, and the second-stage vibration damping structure 4 may be designed to have a hardness greater than that of the third-stage vibration damping structure 5.

In addition, in the above embodiment, the bending portion of the first bracket or the second bracket may be formed with a reinforcing rib to further strengthen the structural strength of the bracket, so as to avoid a failure caused by a premature failure of the structure.

While the utility model has been described in terms of preferred embodiments, the utility model is not so limited. Any person skilled in the art shall not depart from the spirit and scope of the present utility model as defined by the appended claims.

Claims (10)

1. A split mount system for a pump, the split mount system (1) comprising:

a bracket assembly (2) for mounting the pump (10) to a vehicle body, wherein the bracket assembly comprises a first bracket (21) and a second bracket (22) detachably fixedly connected to the first bracket;

a first stage vibration damping structure (3) and a second stage vibration damping structure (4) disposed between the pump (10) and the first bracket;

-a third-stage vibration damping structure (5) arranged between said first support (21) and said second support (22); and

a heat shield plate (6) fixedly connected to the second bracket (22).

2. The split bracket system according to claim 1, wherein the first bracket (21) comprises a first base (210) and a connecting arm (211) extending perpendicularly from the first base, the first base (210) being provided with a first mounting hole (103) adapted for a shaft (102) of the pump (10) to pass through, the first stage vibration damping structure (3) being arranged between the first mounting hole and the shaft (102).

3. The split bracket system according to claim 2, wherein the end of the connecting arm forms a socket (212) adapted to be inserted into a second mounting hole (104) provided in a pump housing (101) of the pump (10), and the second stage vibration damping structure (4) is provided between the second mounting hole and the socket.

4. A split bracket system according to claim 2 or 3, characterized in that the pump (10) is mounted to the vehicle body by means of the second bracket (22), a support structure being further provided between the second bracket and the vehicle body, and that the second bracket comprises a second base (220) and a first bracket arm (221), a second bracket arm (222) and a third bracket arm (223) extending from the second base, wherein the heat shield plate (6) is fixedly mounted to the first bracket arm and the second bracket arm.

5. The split bracket system according to claim 4, wherein the first base (210) is further provided with a plurality of first attachment holes (213) spaced apart from the first mounting holes (103), the second base (220) is provided with a corresponding plurality of second attachment holes (224), and the first and second brackets are fixedly attached together by the third stage vibration reduction structure (5) with the first attachment holes, the second attachment holes, and the mating of fasteners.

6. The split bracket system according to claim 5, wherein the number of the first and second connection holes is three and each is arranged in a triangle, the third stage vibration damping structure (5) comprises three vibration damping members (50), each vibration damping member (50) comprises a vibration damping body (51) and two screw sections (52) extending from both ends of the vibration damping body, the fastening member is a C-shaped snap spring, and the two screw sections of each vibration damping member respectively pass through the first and second connection holes and cooperate with the C-shaped snap spring to fixedly connect the first and second brackets together.

7. The split bracket system according to claim 4, wherein the first bracket arm (221) is provided with a first connection through hole (2211), the second bracket arm (222) is provided with a second connection through hole (2221), the heat shield plate (6) is provided with respective first and second plate connection through holes (61, 62), and the heat shield plate (6) is detachably fixedly connected to the second bracket (22) by means of a first threaded fastener passing through the first and first plate connection through holes, and a second threaded fastener passing through the second and second plate connection through holes.

8. The split bracket system according to claim 7, characterized in that the first bracket arm or the second bracket arm is provided with a third connecting through hole (2222) provided with a fourth connecting through hole (2231), the second bracket (22) being fixedly connected to the vehicle body by cooperation of a third threaded fastener with the third connecting through hole and the fourth connecting through hole, the support structure comprising a support pad (7) arranged between the second bracket (22) and the vehicle body at the third connecting through hole and the fourth connecting through hole; the second and/or third support arms are also provided with harness mounting holes (2223) for other harnesses.

9. The split bracket system according to claim 8, wherein the heat shield plate, the first bracket and the second bracket are each made by press forming, and the support pad (7) is made of a rubber material or a plastic material to form a fourth-stage vibration damping structure between the second bracket (22) and the vehicle body.

10. Pump system (100), characterized in that the pump system (100) comprises a pump (10) and a split bracket system (1) according to any one of claims 1 to 9 for mounting the pump to a vehicle body.