Throttle valve position sensor durability test bench

Abstract

The utility model discloses a durability test bench for a throttle position sensor, which comprises an equipment table, a working table and a positioning assembly, a first lifting rod is mounted on the upper end face of the equipment table, the working table is mounted at the top end of the first lifting rod, a pressing assembly is mounted on the rear wall of the working table, and the positioning assembly is mounted on the upper end face of the equipment table. An auxiliary clamping assembly is installed on the upper portion of the right end of the workbench, and a positioning assembly used in cooperation with the pressing assembly is installed on the upper portion of the left end of the workbench. The problems that in the prior art, in the using process of an experiment table, a throttle valve body needs to be placed on a positioning seat, subsequent fixing can be facilitated, the size of a boss, used for being matched with limiting of the lower portion of the throttle valve body, on the positioning seat is fixed, the size of the throttle valve body has multiple specifications, and the size of the throttle valve body is not changed are solved. Therefore, different positioning seats need to be replaced according to the size of the throttle valve body, and the test bench is not convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of sensor testing, and more specifically, to a durability test bench for a throttle position sensor. Background Art

[0002] The throttle position sensor is used to monitor the opening value of the throttle and send the throttle opening value to the ECU. The ECU combines information such as the engine speed and the throttle opening to control the air-fuel ratio, so as to ensure that the engine operates under the best air-fuel ratio state.

[0003] It is found that in the durability test bench for the throttle position sensor disclosed in the publication number: CN210513065U, this technology discloses that "it includes a seat body and a positioning seat arranged on the seat body for positioning the throttle body. A throttle position sensor is fixedly connected to the side of the throttle body. Above the positioning seat, there is a lifting and pressing disc driven by a cylinder, and on the side of the seat body, there is a pressing head for pressing the side of the throttle position sensor. By fixedly connecting the throttle position sensor to the side of the throttle body, the lifting and pressing disc descends and presses on the throttle body, and the pressing head moves and presses on the side of the valve position sensor. By repeatedly operating the throttle disc valve, the throttle disc valve shaft drives the valve position sensor to also act repeatedly, so as to test the service durability of the valve position sensor".

[0004] However, the above durability test bench for the throttle position sensor has the following disadvantages:

[0005] 1. During the use of the test bench in this patent, it is necessary to place the throttle body on the positioning seat, which is convenient for subsequent fixation. However, the size of the convex platform on the positioning seat for cooperating with the lower limit of the throttle body is fixed, while the sizes of the throttle bodies have various specifications. Therefore, it is necessary to replace different positioning seats according to the size of the throttle body, making the use of the test bench less convenient.

[0006] To solve the above problems, a durability test bench for a throttle position sensor is proposed in this application. Summary of the Utility Model

[0007] In view of the problems in the related art, the utility model provides a durability test bench for a throttle position sensor, which can change the size of the convex platform on the positioning seat according to different throttle specifications, thereby making the use of the test bench more convenient.

[0008] For this reason, the specific technical solution adopted by the utility model is as follows:

[0009] A throttle position sensor durability test bench, comprising an equipment table, a workbench and a positioning assembly. A first lifting rod is installed on the upper end surface of the equipment table, and a workbench is installed at the top end of the first lifting rod. A pressing assembly is installed on the rear wall of the workbench, an auxiliary clamping assembly is installed on the upper right of the workbench, and a positioning assembly used in cooperation with the pressing assembly is installed on the upper left of the workbench;

[0010] The positioning assembly includes a positioning seat. The positioning seat is installed on the upper left of the workbench through mounting bolts. An installation groove is formed in the middle of the upper end surface of the positioning seat. A boss body is threadedly connected in the installation groove. A sliding groove is formed on the side wall of the boss body. A tightening hole is formed on the top wall of the sliding groove, and a tightening bolt is installed in the tightening hole. A sliding rod is installed in the sliding groove, and the sliding rod is fixedly installed on the side wall of the auxiliary table.

[0011] As a further solution of the present utility model, the auxiliary table is of an arc structure, and the two auxiliary tables can be symmetrically installed.

[0012] As a further solution of the present utility model, the pressing assembly includes a bracket. The bracket is fixedly installed on the rear wall at the left end of the workbench. A second lifting rod penetrates through the middle of the top wall of the bracket. A connection end is installed at the bottom end of the second lifting rod, and a pressing plate is threadedly connected to the bottom end of the connection end.

[0013] As a further solution of the present utility model, the auxiliary clamping assembly includes a base. The base is fixedly installed on the upper right of the workbench. A telescopic rod penetrates through the base. An installation seat is installed at the left end of the telescopic rod, and a pressing end is threadedly connected to the left end of the installation seat.

[0014] As a further solution of the present utility model, a spare cavity is formed in the inner cavity of the equipment table, and support feet are installed at the four corners of the bottom end of the equipment table.

[0015] As a further solution of the present utility model, a control device is installed on the front side wall of the equipment table.

[0016] As a further solution of the present utility model, a connecting seat for installing a reciprocating pulling device is provided on the front side wall of the workbench.

[0017] The beneficial effects of the present utility model are:

[0018] The utility model works in cooperation with a device table, a workbench and a positioning component. When in use, first, according to the throttle valve specification where the sensor to be tested is installed, the tightening bolt on the boss body is screwed out. Then, according to the requirement, the sliding rod on the side wall of the auxiliary table slides in the sliding groove on the side wall of the boss body to a predetermined position. Then, the tightening bolt is tightened again in the tightening hole so that the bottom end of the tightening bolt presses against the sliding rod, and the auxiliary table can be installed in place. Subsequently, the lower part of the throttle valve body is installed on the combination of the boss body and the auxiliary table, so that the test bench can change the size of the boss on the positioning seat according to different throttle valve specifications, and thus the test bench is more convenient to use. Brief Description of the Drawings

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the following described drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 It is a schematic diagram of the overall structure of a throttle position sensor durability test bench according to an embodiment of the present utility model;

[0021] Figure 2 It is a schematic diagram of the structure of the positioning component of a throttle position sensor durability test bench according to an embodiment of the present utility model;

[0022] Figure 3 It is a schematic diagram of the cooperation between the boss body and the auxiliary table of a throttle position sensor durability test bench according to an embodiment of the present utility model;

[0023] Figure 4 It is a schematic diagram of the cooperation between the sliding rod and the sliding groove of a throttle position sensor durability test bench according to an embodiment of the present utility model;

[0024] Figure 5 It is a schematic diagram of the position of the first lifting rod of a throttle position sensor durability test bench according to an embodiment of the present utility model.

[0025] In the figure:

[0026] 1. Equipment table; 2. Workbench; 3. Positioning component; 4. First lifting rod; 5. Pressing component; 51. Bracket; 52. Second lifting rod; 53. Connection end; 54. Pressing plate; 6. Auxiliary clamping component; 61. Base; 62. Telescopic rod; 63. Mounting seat; 64. Pressing end; 7. Positioning seat; 8. Installation groove; 9. Boss body; 10. Chute; 11. Tightening hole; 12. Tightening bolt; 13. Slide bar; 14. Auxiliary table; 15. Spare cavity; 16. Support foot; 17. Control device; 18. Connection seat. Detailed implementation manners

[0027] To further illustrate each embodiment, the present invention provides accompanying drawings. These drawings are a part of the disclosure of the present invention. They are mainly used to illustrate the embodiments and can be combined with the relevant descriptions in the specification to explain the operation principle of the embodiments. With reference to these contents, those of ordinary skill in the art should be able to understand other possible implementation manners and the advantages of the present invention. The components in the drawings are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0028] According to an embodiment of the present invention, a durability test bench for a throttle position sensor is provided.

[0029] Please refer to the attached drawings of the specification Figures 1-5, A durability test bench for a throttle position sensor according to an embodiment of the present utility model includes an equipment table 1, a workbench 2, and a positioning assembly 3. A control device 17 is installed on the front side wall of the equipment table 1. A spare cavity 15 is opened in the inner cavity of the equipment table 1. Support feet 16 are installed at the four corners of the bottom end of the equipment table 1. A first lifting rod 4 is installed on the upper end surface of the equipment table 1, and a workbench 2 is installed at the top end of the first lifting rod 4. A pressing assembly 5 is installed on the rear wall of the workbench 2. A connecting seat 18 for installing a reciprocating pulling device is arranged on the front side wall of the workbench 2. An auxiliary clamping assembly 6 is installed at the upper right end of the workbench 2. A positioning assembly 3 that cooperates with the pressing assembly 5 is installed at the upper left end of the workbench 2; the positioning assembly 3 includes a positioning seat 7. The positioning seat 7 is installed at the upper left end of the workbench 2 through mounting bolts. An installation groove 8 is opened in the middle of the upper end surface of the positioning seat 7. A boss body 9 is threadedly connected in the installation groove 8. A sliding groove 10 is opened on the side wall of the boss body 9. A tightening hole 11 is opened on the top wall of the sliding groove 10, and a tightening bolt 12 is installed in the tightening hole 11. A sliding rod 13 is installed in the sliding groove 10. The sliding rod 13 is fixedly installed on the side wall of the auxiliary table 14. The auxiliary table 14 is in an arc structure, and the two auxiliary tables 14 can be symmetrically installed. By setting the equipment table 1, the workbench 2, and the positioning assembly 3 to cooperate with each other, during use, first, according to the throttle specifications of the sensor to be tested, the tightening bolt 12 on the boss body 9 is unscrewed. Then, according to the requirements, the sliding rod 13 on the side wall of the auxiliary table 14 is slid to a predetermined position in the sliding groove 10 on the side wall of the boss body 9. Then, the tightening bolt 12 is tightened again in the tightening hole 11 so that the bottom end of the tightening bolt 12 presses against the sliding rod 13, and the auxiliary table 14 can be installed in place. Subsequently, the lower part of the throttle body can be installed on the combination of the boss body 9 and the auxiliary table 14, so that the test bench can change the size of the boss on the positioning seat 7 according to different throttle specifications, and thus the test bench is more convenient to use.

[0030] In one embodiment, please refer to the attached drawings of the specification Figure 1 and Figure 5 , As a further solution of the present utility model, the pressing assembly 5 includes a bracket 51. The bracket 51 is fixedly installed on the rear wall at the left end of the workbench 2. A second lifting rod 52 penetrates through the middle of the top wall of the bracket 51. A connecting end 53 is installed at the bottom end of the second lifting rod 52. A pressing plate 54 is threadedly connected to the bottom end of the connecting end 53. During use, the second lifting rod 52 works, and drives the pressing plate 54 to move downward to a predetermined position through the connecting end 53, and the throttle on the lower boss body 9 can be pressed and fixed.

[0031] In one embodiment, please refer to the attached drawings of the specification Figure 1 and Figure 5, as a further solution of the present utility model, the auxiliary clamping assembly 6 includes a base 61, the base 61 is fixedly installed on the upper right end of the workbench 2, a telescopic rod 62 penetrates through the base 61, a mounting seat 63 is installed at the left end of the telescopic rod 62, and a pressing end 64 is threadedly connected to the left end of the mounting seat 63. During use, the telescopic rod 62 works, drives the pressing end 64 to move leftward to a predetermined position through the mounting seat 63, and then the sensor on the throttle body can be assisted to be fixed.

[0032] Working process: During use, first, according to the throttle specifications where the sensor to be measured is installed, unscrew the tightening bolt 12 on the boss body 9, and then slide the sliding rod 13 on the side wall of the auxiliary table 14 to a predetermined position in the chute 10 on the side wall of the boss body 9 according to the requirements. Then, tighten the tightening bolt 12 in the tightening hole 11 again so that the bottom end of the tightening bolt 12 presses against the sliding rod 13, and the auxiliary table 14 can be installed in place. Subsequently, install the lower part of the throttle body on the combination of the boss body 9 and the auxiliary table 14. Then, the second lifting rod 52 works, drives the pressing plate 54 to move downward to a predetermined position through the connecting end 53, and the throttle on the lower boss body 9 can be tightly fixed. Subsequently, the telescopic rod 62 works, drives the pressing end 64 to move leftward to a predetermined position through the mounting seat 63, and the sensor on the throttle body can be assisted to be fixed.

[0033] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A throttle position sensor durability test bench, comprising an equipment table (1), a workbench (2) and a positioning component (3), characterized in that: A first lifting rod (4) is installed on the upper end surface of the equipment table (1), and a workbench (2) is installed at the top end of the first lifting rod (4). A pressing assembly (5) is installed on the rear wall of the workbench (2), an auxiliary clamping assembly (6) is installed on the upper right of the workbench (2), and a positioning assembly (3) that is used in cooperation with the pressing assembly (5) is installed on the upper left of the workbench (2). The positioning assembly (3) includes a positioning seat (7). The positioning seat (7) is installed on the upper left of the workbench (2) through mounting bolts. A mounting groove (8) is formed in the middle of the upper end surface of the positioning seat (7). A boss body (9) is threadedly connected in the mounting groove (8). A sliding groove (10) is formed in the side wall of the boss body (9). A tightening hole (11) is formed in the top wall of the sliding groove (10), and a tightening bolt (12) is installed in the tightening hole (11). A sliding rod (13) is installed in the sliding groove (10), and the sliding rod (13) is fixedly installed on the side wall of the auxiliary table (14).

2. The durability test bench for a throttle position sensor according to claim 1, wherein: The auxiliary table (14) is of an arc structure, and the two auxiliary tables (14) can be symmetrically installed.

3. The durability test bench for a throttle position sensor according to claim 1, wherein: The pressing assembly (5) includes a bracket (51). The bracket (51) is fixedly installed on the rear wall at the left end of the workbench (2). A second lifting rod (52) penetrates through the middle of the top wall of the bracket (51). A connecting end (53) is installed at the bottom end of the second lifting rod (52). A pressing plate (54) is threadedly connected to the bottom end of the connecting end (53).

4. A throttle position sensor durability test bench according to claim 1, characterized in that: The auxiliary clamping assembly (6) includes a base (61). The base (61) is fixedly installed on the upper right of the workbench (2). A telescopic rod (62) penetrates through the base (61). An installation seat (63) is installed at the left end of the telescopic rod (62). A pressing end (64) is threadedly connected to the left end of the installation seat (63).

5. The durability test bench for a throttle position sensor according to claim 1, characterized in that: A spare cavity (15) is formed in the inner cavity of the equipment table (1), and support feet (16) are installed at the four corners of the bottom end of the equipment table (1).

6. The durability test bench for a throttle position sensor according to claim 1, wherein: A control device (17) is installed on the front side wall of the equipment table (1).

7. A throttle position sensor durability test bench according to claim 1, characterized in that: A connecting seat (18) for installing a reciprocating pulling device is arranged on the front side wall of the workbench (2).

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