CN219562993U

CN219562993U - Exhaust gas recirculation valve testboard

Info

Publication number: CN219562993U
Application number: CN202321335917.8U
Authority: CN
Inventors: 李海青; 俞子豪
Original assignee: Anhui Tengda Automobile Technology Co ltd
Current assignee: Anhui Tengda Automobile Technology Co ltd
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2023-08-22
Anticipated expiration: 2033-05-26

Abstract

The utility model discloses an exhaust gas recirculation valve test bench, which comprises a test bench main body, wherein an access hole is formed in the surface of the test bench main body, access boards are symmetrically arranged in the access hole, an operation groove is formed in the surface of the access boards, a rotation limiting mechanism is arranged between the access boards and the access hole, lifting mechanisms are symmetrically fixed on two sides of the test bench main body, and the rotation limiting mechanism comprises: the connecting component is arranged at the joint between the access panel and the access opening; a rotating assembly disposed inside the connection assembly; according to the utility model, through the designed limiting groove, the built-in groove, the limiting rod, the telescopic spring and the operation block, the maintenance board can be conveniently limited or released, and meanwhile, the maintenance board can be conveniently rotated out of the maintenance hole through the connecting groove, the connecting block, the rotating groove and the rotating block, so that compared with the prior art, the maintenance work of the test board is greatly facilitated.

Description

Exhaust gas recirculation valve testboard

Technical Field

The utility model belongs to the technical field of exhaust gas recirculation valve testing, and particularly relates to an exhaust gas recirculation valve testing table.

Background

With the annual increase of the number of automobiles, the hazard brought by automobile exhaust is more and more serious. The automobile exhaust contains carbon monoxide, hydrocarbons, nitrogen oxides and particulates. Among them, nitrogen oxides not only threaten people's health, but also severely pollute the environment, for example, cause photochemical smog. Thus, each emission regulation places stringent demands on the emission of nitrogen oxides. The exhaust gas recirculation is as the technology that can effectively reduce nitrogen oxide, the wide application is on automobile engine, it is required to test exhaust gas recirculation valve through the testboard before exhaust gas recirculation valve produces the factory, current exhaust gas recirculation valve testboard is when using, it is generally all tested through inside equipment, in order to guarantee that exhaust gas recirculation valve testboard can stable operation, then need regularly overhaul the maintenance to its inside equipment, but because current access hole and access panel are through screw screwing fixed connection, so the in-process of carrying out the maintenance has led to being difficult to let the access panel dismantle from the inside of access hole, thereby make the maintenance work comparatively troublesome.

Disclosure of Invention

The utility model aims to provide an exhaust gas recirculation valve test bench for solving the problem that the exhaust gas recirculation valve test bench provided in the background art is troublesome in maintenance.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an exhaust gas recirculation valve testboard, includes the testboard main part, the access hole has been seted up on the surface of testboard main part, the inside symmetry of access hole is provided with the access panel, the operation groove has been seted up on the surface of access panel, be provided with rotatory stop gear between access panel and the access hole, the both sides symmetry of testboard main part is fixed with the mechanism of lifting, rotatory stop gear includes:

the connecting component is arranged at the joint between the access panel and the access opening;

a rotating assembly disposed inside the connection assembly;

the limiting assembly is arranged at the top end of the inner side between the access panel and the access opening;

the guide reset assembly is arranged in the limiting assembly;

and the operation assembly is arranged on the surface of the test bench body and is connected with the limiting assembly.

Preferably, the connecting assembly comprises connecting grooves symmetrically formed in one side of the access panel and connecting blocks symmetrically fixed on two sides of the inner wall of the access panel, and the connecting blocks are connected with the connecting grooves in a clamping mode.

Preferably, the rotating assembly comprises rotating grooves symmetrically arranged on two sides of the connecting block and rotating blocks symmetrically fixed on two sides of the inner wall of the connecting groove, and the rotating blocks are in rotating connection with the rotating grooves.

Preferably, the limiting assembly comprises a limiting groove formed in the top end of the access panel and a built-in groove symmetrically formed in the top end of the inner wall of the access panel, wherein a limiting rod is arranged in the built-in groove and is connected with the limiting groove in a clamping mode.

Preferably, the guide reset assembly comprises a guide hole penetrating through the end part of the limiting rod and a guide rod fixed in the built-in groove and penetrating through the guide hole, the guide rod is in sliding connection with the guide hole, and a telescopic spring is sleeved on the surface of the guide rod.

Preferably, the operation assembly comprises a through groove penetrating through the inner wall of the built-in groove and an operation block arranged on the surface of the main body of the test table, penetrating through the inside of the through groove and fixedly connected with the limit rod, and the operation block is in sliding connection with the through groove.

Preferably, the lifting mechanism comprises fixing blocks symmetrically fixed on two sides of the main body of the test board and an operation handle arranged in the fixing blocks, a connecting shaft is connected between the operation handle and the fixing blocks, rubber blocks are symmetrically fixed on the inner walls of the fixing blocks, and the rubber blocks are connected with the operation handle in a clamping mode.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the designed limiting groove, the built-in groove, the limiting rod, the telescopic spring and the operation block, the maintenance board can be conveniently limited or released, and meanwhile, the maintenance board can be conveniently rotated out of the maintenance hole through the connecting groove, the connecting block, the rotating groove and the rotating block, so that compared with the prior art, the maintenance work of the test board is greatly facilitated.

Drawings

FIG. 1 is a schematic view of the appearance structure of the present utility model;

FIG. 2 is an enlarged schematic view of the utility model at A of FIG. 1;

FIG. 3 is an enlarged schematic view of the utility model at B of FIG. 1;

FIG. 4 is a schematic diagram of a limiting groove structure according to the present utility model;

FIG. 5 is a schematic view of the structure of the built-in groove of the present utility model;

FIG. 6 is a schematic view of the structure of the operating handle of the present utility model;

in the figure: 1. a test stand main body; 2. an access opening; 3. an access panel; 4. an operation groove; 100. a connecting groove; 101. a connecting block; 200. a rotary groove; 201. rotating the block; 300. a limit groove; 301. a built-in groove; 302. a limit rod; 400. a guide hole; 401. a guide rod; 402. a telescopic spring; 500. a through groove; 501. an operation block; 600. a fixed block; 601. an operating handle; 602. a connecting shaft; 603. rubber blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 6, the present utility model provides a technical solution: the utility model provides an exhaust gas recirculation valve testboard, includes testboard main part 1, and access hole 2 has been seted up on the surface of testboard main part 1, and the inside symmetry of access hole 2 is provided with access panel 3, and operating groove 4 has been seted up on the surface of access panel 3, is provided with rotatory stop gear between access panel 3 and the access hole 2, and the bilateral symmetry of testboard main part 1 is fixed with and lifts up the mechanism, and rotatory stop gear includes:

a connection assembly provided at the junction between the access panel 3 and the access opening 2;

a rotating assembly disposed inside the connection assembly;

a limiting assembly disposed at an inner top end between the access panel 3 and the access opening 2;

the guide reset assembly is arranged in the limiting assembly;

and the operation assembly is arranged on the surface of the test bench body 1 and is connected with the limiting assembly.

In this embodiment, preferably, the connection assembly includes a connection slot 100 symmetrically arranged on one side of the access panel 3 and a connection block 101 symmetrically fixed on two sides of the inner wall of the access opening 2, and the access panel 3 and the access opening 2 can be connected by clamping the connection block 101 with the connection slot 100.

In this embodiment, preferably, the rotating assembly includes a rotating groove 200 symmetrically formed on two sides of the connecting block 101 and a rotating block 201 symmetrically fixed on two sides of the inner wall of the connecting groove 100, and the rotating block 201 is rotationally connected with the rotating groove 200, so as to drive the access panel 3 to rotate.

In this embodiment, preferably, the limiting component includes a limiting groove 300 formed at the top end of the access panel 3 and a built-in groove 301 symmetrically formed at the top end of the inner wall of the access opening 2, and a limiting rod 302 is disposed in the built-in groove 301, and is connected with the limiting groove 300 in a clamping manner through the limiting rod 302, so that the access panel 3 can be limited.

In this embodiment, preferably, the guiding reset assembly includes a guiding hole 400 penetrating through the end of the limiting rod 302 and a guiding rod 401 fixed inside the built-in groove 301 and penetrating through the guiding hole 400, the guiding rod 401 is slidably connected with the guiding hole 400, and a telescopic spring 402 is sleeved on the surface of the guiding rod 401, so that the limiting rod 302 can be driven to move and guide.

In this embodiment, preferably, the operation assembly includes a through groove 500 penetrating through the inner wall of the built-in groove 301, and an operation block 501 disposed on the surface of the test bench body 1 and penetrating through the inside of the through groove 500 and fixedly connected with the stop lever 302, and the stop lever 302 can be moved by sliding the operation block 501 and the through groove 500.

In this embodiment, preferably, the lifting mechanism includes fixing blocks 600 symmetrically fixed on two sides of the test bench body 1 and an operation handle 601 arranged inside the fixing blocks 600, so that the test bench body 1 is lifted conveniently to move, a connecting shaft 602 is connected between the operation handle 601 and the fixing blocks 600, the operation handle 601 can be driven to rotate, rubber blocks 603 are symmetrically fixed on the inner walls of the fixing blocks 600, and the operation handle 601 can be limited and fixed by clamping the rubber blocks 603 with the operation handle 601.

The working principle and the using flow of the utility model are as follows: when the equipment in the test bench body 1 needs to be overhauled, the operation block 501 is stirred firstly to enable the equipment to move in the through groove 500, the limiting rod 302 is driven to slide in the built-in groove 301, the guide hole 400 is driven to slide on the surface of the guide rod 401 to squeeze the telescopic spring 402 to deform, the limiting rod 302 can be moved to an opening from the deep inside of the limiting groove 300, then the operation groove 4 is pulled to enable the operating plate 3 to be driven to move out of the inside of the access hole 2, the rotary block 201 is driven to rotate in the inside of the rotary groove 200, the connecting groove 100 is driven to move on the surface of the connecting block 101, the operating plate 3 can be screwed out of the inside of the access hole 2, then the equipment in the test bench body 1 can be overhauled through the access hole 2, after overhauling is finished, the operating plate 3 is screwed into the inside of the access hole 2, the limiting groove 300 is connected with the limiting rod 302, the stirred operating block 501 is released, the limiting rod 302 can be reset to move in the inside of the built-in groove 301 through the telescopic spring 402, the limiting rod 302 can be moved into the inside of the test bench body 2, the inside of the test bench body 1 can be lifted up through the rotary block 200, and the test bench body 1 can be lifted out of the test bench body 1 when the test bench body is required to be lifted, and the test bench body 1 is connected with the test bench body is required to be lifted, and the test bench body is subjected to be separated by the operation shaft 601.

Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an exhaust gas recirculation valve testboard, includes testboard main part (1), access hole (2) have been seted up on the surface of testboard main part (1), the inside symmetry of access hole (2) is provided with access panel (3), operating groove (4) have been seted up on the surface of access panel (3), its characterized in that: be provided with rotatory stop gear between access panel (3) and access hole (2), the bilateral symmetry of testboard main part (1) is fixed with and lifts up the mechanism, rotatory stop gear includes:

the connecting component is arranged at the joint between the access panel (3) and the access opening (2);

a rotating assembly disposed inside the connection assembly;

the limiting component is arranged at the top end of the inner side between the access panel (3) and the access opening (2);

the guide reset assembly is arranged in the limiting assembly;

the operation assembly is arranged on the surface of the test bench main body (1) and is connected with the limiting assembly.

2. An egr valve test stand according to claim 1, characterized in that: the connecting assembly comprises connecting grooves (100) symmetrically formed in one side of the access board (3) and connecting blocks (101) symmetrically fixed on two sides of the inner wall of the access board (2), and the connecting blocks (101) are connected with the connecting grooves (100) in a clamping mode.

3. An egr valve test stand according to claim 1, characterized in that: the rotary assembly comprises rotary grooves (200) symmetrically formed in two sides of the connecting block (101) and rotary blocks (201) symmetrically fixed on two sides of the inner wall of the connecting groove (100), and the rotary blocks (201) are in rotary connection with the rotary grooves (200).

4. An egr valve test stand according to claim 1, characterized in that: the limiting assembly comprises a limiting groove (300) formed in the top end of the access board (3) and a built-in groove (301) symmetrically formed in the top end of the inner wall of the access hole (2), a limiting rod (302) is arranged in the built-in groove (301), and the limiting rod (302) is connected with the limiting groove (300) in a clamping mode.

5. An egr valve test stand according to claim 1, characterized in that: the guide reset assembly comprises a guide hole (400) which is formed in the end portion of the limiting rod (302) in a penetrating mode and a guide rod (401) which is fixed inside the built-in groove (301) and penetrates through the guide hole (400), the guide rod (401) is connected with the guide hole (400) in a sliding mode, and a telescopic spring (402) is sleeved on the surface of the guide rod (401).

6. An egr valve test stand according to claim 1, characterized in that: the operation assembly comprises a penetrating groove (500) penetrating through the inner wall of the built-in groove (301) and an operation block (501) arranged on the surface of the test bench main body (1) and penetrating through the inside of the penetrating groove (500) and fixedly connected with the limit rod (302), and the operation block (501) is in sliding connection with the penetrating groove (500).

7. An egr valve test stand according to claim 1, characterized in that: the lifting mechanism comprises fixing blocks (600) symmetrically fixed on two sides of the test bench body (1) and an operation handle (601) arranged inside the fixing blocks (600), a connecting shaft (602) is connected between the operation handle (601) and the fixing blocks (600), rubber blocks (603) are symmetrically fixed on the inner walls of the fixing blocks (600), and the rubber blocks (603) are connected with the operation handle (601) in a clamping mode.