Performance test board for automobile fuel pump assembly

Abstract

According to the automobile fuel pump assembly performance test board, a bearing plate is located above a test board, a plurality of supporting rods are symmetrically arranged on the two sides of the bearing plate, a plurality of grooves are symmetrically formed in the two ends of the test board, a base is hinged to the bottom ends of the supporting rods, the base is in sliding fit with the grooves, and the top ends of the supporting rods are hinged to the bearing plate; a groove is formed in the upper end of the bearing plate, a cavity is formed in the rear end of the groove, a spring is arranged in the cavity, a push rod which is inserted into the cavity and connected with the spring is arranged on the base, and when the fuel pump assembly is placed at the upper end of the bearing plate, the multiple supporting rods push the base to slide in the groove, and the push rod can compress the spring; therefore, a buffering effect can be provided for the bearing plate, when the fuel pump is placed, impact force borne by the bearing position is not too large, and the bearing plate is not prone to being damaged in the using process.

Description

TECHNICAL FIELD

[0001] The utility model relates to fuel pump production technical field, concretely is automobile fuel pump assembly performance test board. BACKGROUND

[0002] The automobile fuel pump is responsible for extracting oil liquid from the oil tank, and the oil liquid is delivered to the engine combustion chamber after being pressurized for combustion. In order to test the performance of the fuel pump and confirm whether the pressure at the oil outlet end of the fuel pump is qualified, a test board is very necessary.

[0003] The patent with publication number CN215566544U proposes an automobile fuel pump assembly performance test board, which includes a base, a first conveyor belt, a second conveyor belt, and a fixed table. The fixed table is installed on the top of the base through mounting brackets. A reserved groove is formed in the top of the fixed table. A U-shaped plate is welded to the bottom of the fixed table, and servo cylinders are installed on both sides of the top of the U-shaped plate through mounting seats. The power output ends of the servo cylinders are connected to displacement plates. The novel test board can quickly clamp and fix the fuel pump to be tested. The clamping is stable and good. When the oil pump is working, the oil collected in the collection tank can be easily sucked into the oil pump through the pipeline. Then, the oil is delivered to the oil return tank through the oil return pipe. The oil used for testing can be recycled. When testing multiple fuel pumps, the conveying mechanism is used during feeding and discharging. The test can be performed in a streamlined manner. The test board is suitable for widespread use.

[0004] The above structure lacks a buffering mechanism at the bearing plate. When the fuel pump is placed, the impact force on the bearing plate is too large, which can easily damage the bearing plate. UTILITY MODEL CONTENTS

[0005] (I) Technical problems solved

[0006] In view of the deficiencies of the prior art, the utility model provides an automobile fuel pump assembly performance test board.

[0007] (II) Technical solutions

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an automobile fuel pump assembly performance test board, which comprises a test board and a bearing plate. The bearing plate is located above the test board. A plurality of supporting rods are symmetrically arranged on both sides of the bearing plate. A plurality of grooves are symmetrically arranged at both ends of the test board. The bottom end of the supporting rod is hingedly connected to a base. The base is in sliding cooperation with the groove. The top end of the supporting rod is hingedly connected to the bearing plate. The rear end of the groove is provided with a cavity. A spring is arranged in the cavity. A push rod is arranged on the base and connected to the spring.

[0009] The upper end of the test table is symmetrically provided with two vertical plates which are slidably arranged on the bearing plate, the upper end of the test table is symmetrically provided with two sliding grooves, the bottom end of the vertical plate is provided with a sliding block which is slidably matched with the sliding groove, the inner side of the vertical plate is provided with a clamping plate, the inner side of the clamping plate is provided with a plurality of clamping blocks, the lower side of the test table is provided with a motor, the output end of the motor is provided with a rotating disc, the rotating disc is symmetrically provided with two driving rods, the circumferential side of the rotating disc is provided with a first protrusion, the lower end of the sliding block is provided with a second protrusion, the first protrusion and the second protrusion respectively penetrate through the two ends of the driving rod and are rotationally connected with the driving rod.

[0010] In order to improve the stability of the bearing plate during use, the improvement of the utility model has a plurality of the supporting rods respectively located at the four corners of the bearing plate.

[0011] Further, the improvement of the utility model has that the two bases symmetrically arranged up and down are connected through a connecting rod, and the connecting rod can slide on the test table, the upper end of the test table is symmetrically provided with two advancing assemblies, and the output end of the advancing assembly is provided with a push plate capable of pushing the connecting rod to move.

[0012] Further, the improvement of the utility model has that the advancing assembly adopts a telescopic air cylinder.

[0013] Further, the improvement of the utility model has that the upper end of the test table is symmetrically provided with two bearing frames located above the advancing assemblies.

[0014] In order to facilitate the adjustment of the position of the clamping plate, the improvement of the utility model has that the inner side of the vertical plate is provided with a guide groove, the middle part of the clamping plate is provided with a guide block which is slidably matched with the guide groove, the inside of the guide groove is rotationally provided with a screw rod which penetrates through the guide block, and the screw rod is threadedly connected with the guide block.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a performance test table for automobile fuel pump assembly, and has the following beneficial effects:

[0017] When the fuel pump assembly is placed on the upper end of the bearing plate, the plurality of supporting rods can push the base to slide in the groove, the push rod can compress the spring, thereby providing a buffering effect for the bearing plate, when the fuel pump is placed, the impact force on the bearing plate is not too large, and the bearing plate is not easy to be damaged during use.

[0018] The telescopic air cylinder is started, the telescopic air cylinder pushes the push plate, the push plate pushes the connecting rod, the connecting rod drives the base to slide in the groove, thereby changing the included angle between the supporting rod and the test table, and the bearing plate can be limited, at this time, the plurality of springs can be in the stretched state, the bearing plate will not float up and down, and the fuel pump assembly can be placed more stably on the bearing plate. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the first perspective three-dimensional structure schematic view of the utility model;

[0020] Figure 2 It is the second perspective three-dimensional structure schematic view of the utility model;

[0021] Figure 3 It is the front view of the utility model Figure 1 ;

[0022] Figure 4 It is the installation structure schematic view of spring in the utility model;

[0023] In the drawing: 1, test bench; 2, bearing plate; 3, strut; 4, base; 5, recess; 6, push rod; 7, cavity; 8, spring; 9, connecting rod; 10, advancing assembly; 11, push plate; 12, bearing frame; 13, vertical plate; 14, sliding block; 15, sliding slot; 16, motor; 17, turntable; 18, drive rod; 19, clamping plate; 20, clamping block; 21, guide slot; 22, screw; 23, guide block. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] Please refer to Figures 1-4 , the utility model discloses automobile fuel pump assembly performance test platform, including test bench 1 and bearing plate 2, bearing plate 2 is located at the top of test bench 1, the both sides of bearing plate 2 symmetrically are provided with a plurality of struts 3, the both ends of test bench 1 symmetrically are provided with a plurality of recesses 5, the bottom end of strut 3 is hingedly arranged base 4, base 4 and recess 5 slidingly cooperate, and the top of strut 3 is hinged with bearing plate 2, the rear end of recess 5 is equipped with cavity 7, the inside of cavity 7 is equipped with spring 8, the bottom end of base 4 is equipped with push rod 6 inserted into the inside of cavity 7 and connected with spring 8;

[0026] The upper end of the test table 1 is symmetrically provided with two vertical plates 13 which are slidably arranged on the symmetrically bearing plate 2 of the upper end of the test table 1, and the bottom end of the vertical plate 13 is provided with a sliding block 14 which is slidably matched with the sliding groove 15, the inner side of the vertical plate 13 is provided with a clamping plate 19, the inner side of the clamping plate 19 is provided with a plurality of clamping blocks 20, the lower side of the test table 1 is provided with a motor 16, the output end of the motor 16 is provided with a rotating disc 17, the rotating disc 17 is symmetrically provided with two driving rods 18, the circumferential side of the rotating disc 17 is provided with a first protrusion, the lower end of the sliding block 14 is provided with a second protrusion, the first protrusion and the second protrusion respectively penetrate through the two ends of the driving rod 18 and are rotatably connected with the driving rod 18.

[0027] The bearing plate 2 is placed above the test table 1, the supporting rods 3 at the four corners of the two sides of the bearing plate 2 are opposite to the positions of the corresponding grooves 5 at the two ends of the test table 1, the bases 4 at the bottom ends of the supporting rods 3 at the four corners are in a sliding and hinged relationship with the grooves 5, and the top ends of the supporting rods 3 are also hinged with the bearing plate 2;

[0028] Since the rear end of the groove 5 is provided with a cavity 7 and the cavity 7 has a spring 8, the push rod 6 on the base 4 is inserted into the cavity 7 and connected with the spring 8, the spring 8 is in a natural state, the supporting rod 3 forms a preliminary connection structure with the bearing plate 2 and the test table 1, when the fuel pump assembly is placed on the upper end of the bearing plate 2, the plurality of supporting rods 3 pushes the base 4 to slide in the groove 5, so that the push rod 6 can compress the spring 8, thereby providing a buffering effect for the bearing plate 2, when the fuel pump is placed, the impact force on the bearing plate 2 is not too large, so that the bearing plate 2 is not easily damaged in use;

[0029] In this embodiment, the plurality of supporting rods 3 are respectively located at the four corners of the bearing plate 2, the two bases 4 which are symmetrically arranged up and down are connected by a connecting rod 9, the connecting rod 9 can slide on the test table 1, the upper end of the test table 1 is symmetrically provided with two pushing assemblies 10, the output end of the pushing assembly 10 is provided with a push plate 11 which can push the connecting rod 9 to move, and the pushing assembly 10 adopts a telescopic air cylinder;

[0030] When the fuel pump assembly is placed, the telescopic air cylinder is started, the telescopic air cylinder pushes the push plate 11, the push plate 11 pushes the connecting rod 9, the connecting rod 9 drives the base 4 to slide in the groove 5, thereby changing the included angle between the supporting rod 3 and the test table 1, which can play a role of limiting the bearing plate 2, at this time, the plurality of springs 8 can be in a stretched state, so that the bearing plate 2 does not float up and down, and the fuel pump assembly can be placed more stably on the bearing plate 2;

[0031] The inner side of the vertical plate 13 is provided with a guide groove 21, and the middle part of the clamping plate 19 is provided with a guide block 23 that slides with the guide groove 21. The guide groove 21 is rotatably provided with a screw 22 that passes through the guide block 23, and the screw 22 is threadedly connected to the guide block 23.

[0032] By rotating the screw 22, the guide block 23 can slide in the guide groove 21, and the position of the clamping plate 19 on the inner side of the vertical plate 13 can be adjusted to adapt to fuel pump assemblies of different sizes, making it more versatile.

[0033] When the motor 16 starts, the motor 16 drives the turntable 17 to rotate. The turntable 17 drives the slider 14 to slide in the slide groove 15 through the drive rod 18, thereby realizing the movement of the vertical plate 13 and the clamping plate 19. It can clamp or release the fuel pump assembly on the support plate 2, and make the fuel pump assembly more stable in subsequent testing.

[0034] The test bench 1 has two symmetrically arranged support frames 12 on the left and right sides above the propulsion assembly 10. The support frames 12 can be used to place tools or auxiliary equipment related to the test.

[0035] In the description herein, it should be noted that relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A test bench for testing the performance of a fuel pump assembly for a motor vehicle, comprising a test bench (1) and a carrier plate (2), characterized in that: The carrying plate (2) is located above the test table (1), a plurality of supporting rods (3) are symmetrically arranged on both sides of the carrying plate (2), a plurality of grooves (5) are symmetrically arranged at both ends of the test table (1), the bottom end of the supporting rod (3) is hingedly arranged with a base (4), the base (4) is in sliding fit with the groove (5), and the top end of the supporting rod (3) is hingedly arranged with the carrying plate (2); the rear end of the groove (5) is provided with a cavity (7), the cavity (7) is internally provided with a spring (8), and the base (4) is provided with a push rod (6) inserted into the cavity (7) and connected with the spring (8). The upper end of the test table (1) is symmetrically provided with two vertical plates (13) in sliding fit with the carrying plate (2), and the upper end of the test table (1) is symmetrically provided with two sliding grooves (15) in sliding fit with the carrying plate (2); the bottom end of the vertical plate (13) is provided with a sliding block (14) in sliding fit with the sliding groove (15), the inner side of the vertical plate (13) is provided with a clamping plate (19), the inner side of the clamping plate (19) is provided with a plurality of clamping blocks (20), the lower side of the test table (1) is provided with a motor (16), the output end of the motor (16) is provided with a rotating disc (17), the rotating disc (17) is symmetrically provided with two driving rods (18), the circumferential side of the rotating disc (17) is provided with a first protrusion, the lower end of the sliding block (14) is provided with a second protrusion, and the first protrusion and the second protrusion respectively penetrate through both ends of the driving rod (18) and are rotatably connected with the driving rod (18).

2. The performance test bench for automotive fuel pump assembly as claimed in claim 1 wherein: A plurality of supporting rods (3) are respectively arranged at four corners of the carrying plate (2).

3. The performance test bench for automotive fuel pump assembly as claimed in claim 2 wherein: The two bases (4) symmetrically arranged above and below are connected through a connecting rod (9), the connecting rod (9) can slide on the test table (1), two propelling assemblies (10) are symmetrically arranged on the upper end of the test table (1), and the output end of the propelling assembly (10) is provided with a push plate (11) capable of pushing the connecting rod (9) to move.

4. The performance test bench for automotive fuel pump assembly as claimed in claim 3 wherein: The propelling assembly (10) is a telescopic air cylinder.

5. The performance test bench for automotive fuel pump assembly as claimed in claim 4 wherein: Two carrying frames (12) above the propelling assembly (10) are symmetrically arranged on the upper end of the test table (1).

6. The performance test bench for automotive fuel pump assembly as claimed in claim 5 wherein: The inner side of the vertical plate (13) is provided with a guide groove (21), the middle part of the clamping plate (19) is provided with a guide block (23) in sliding fit with the guide groove (21), the guide groove (21) is internally rotatably provided with a screw rod (22) penetrating through the guide block (23), and the screw rod (22) is in threaded connection with the guide block (23).

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