CN222318329U

CN222318329U - A fuel pump air tightness detection tool

Info

Publication number: CN222318329U
Application number: CN202421259809.1U
Authority: CN
Inventors: 孙叶忠
Original assignee: Wenzhou Xinhao Auto Parts Co ltd
Current assignee: Wenzhou Xinhao Auto Parts Co ltd
Priority date: 2024-06-04
Filing date: 2024-06-04
Publication date: 2025-01-07
Anticipated expiration: 2034-06-04

Abstract

The utility model relates to the technical field of air tightness detection tools and discloses an air tightness detection tool for a fuel pump, which comprises a base, wherein a rectangular block is arranged on the upper surface of the base, a groove is formed in the upper surface of the rectangular block, two grooves are fixedly and symmetrically arranged, a placement seat is arranged on the upper surface of the rectangular block, an elastic clamping plate is arranged on the lower surface of the placement seat, two elastic clamping plates are fixedly and symmetrically arranged, each elastic clamping plate comprises a clamping part and a connecting part, one end of each clamping part is provided with the placement seat, the other end of each clamping part is provided with the connecting part, and the outer surface of each clamping part is abutted against the inner surface of the corresponding groove. According to the utility model, the connecting part is pushed, so that the abutting relation between the outer surface of the clamping part and the inner surface of the groove is canceled, the placing seat is conveniently taken down from the rectangular block, and the placing seats with different sizes are replaced, so that the fuel pumps with different sizes can be accurately positioned.

Description

Fuel pump gas tightness detects frock

Technical Field

The utility model relates to the technical field of air tightness detection tools, in particular to an air tightness detection tool for a fuel pump.

Background

The tightness detection, also called leak detection, is an index of the tightness of the reaction product, the tightness of the seal is one of the important factors affecting the quality of the product, and the tightness detection is one of the indispensable steps in the production process of the fuel pump.

The utility model patent application document with the publication number of CN209311016U discloses an air tightness detection tool, which mainly comprises a lower bottom plate, an upper bottom plate, a first cylinder, a second cylinder, a third cylinder, a fourth cylinder, a positioning circle, a fixing seat, a support column and a positioning core. The technical scheme has the advantages of simple structure, low cost, strong reliability, convenient maintenance and improvement of benefit and income of enterprises.

The air tightness detection tool disclosed in the above document has the following defects that when the air tightness detection tool is used, products matched with the size of the positioning core can be accurately positioned, and when the size of the products is smaller than the size of the positioning core, sealing detection work cannot be performed well, so that the practicability is poor

Therefore, the existing air tightness detection tool cannot accurately position products of different sizes, the existing defects are required to be improved, and the air tightness detection tool for the fuel pump is provided.

Disclosure of utility model

The utility model aims to provide a fuel pump air tightness detection tool for solving the problems in the background technology.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

The utility model relates to a fuel pump air tightness detection tool which comprises a base, wherein a rectangular block is arranged on the upper surface of the base, grooves are formed in the upper surface of the rectangular block, two grooves are fixedly and symmetrically arranged, a placement seat is arranged on the upper surface of the rectangular block, an elastic clamping plate is arranged on the lower surface of the placement seat, two elastic clamping plates are fixedly and symmetrically arranged, each elastic clamping plate comprises a clamping part and a connecting part, one end of each clamping part is provided with the placement seat, the other end of each clamping part is provided with the connecting part, and the outer surface of each clamping part is in butt joint with the inner surface of each groove.

Further, a plurality of threaded holes are formed in the lower surface of the base, one end of each threaded hole penetrates through the base and extends to the inside of the rectangular block, and bolts are connected to the internal threads of each threaded hole.

Further, the upper surface mounting of base has first backup pad and second backup pad, the upper surface mounting of first backup pad has the connecting plate, the upper surface mounting of connecting plate has first cylinder, the output of first cylinder runs through the connecting plate and downwardly extending sets up, shock-absorbing structure is installed to the output of first cylinder.

Further, the second cylinder is installed to the one end of second backup pad, the output of second cylinder runs through the second backup pad, the air cock is installed to the output of second backup pad, the surface mounting of air cock has the connecting air pipe.

Further, shock-absorbing structure includes first cylinder, spring, slider and second cylinder, the upper surface mounting of first cylinder is at the lower surface of first cylinder output, the smooth chamber has been seted up to the inside of first cylinder, the through-hole has been seted up to the lower surface of first cylinder, the through-hole is linked together with smooth chamber, the inside of smooth chamber is provided with the spring, the interior top in smooth chamber is installed to the one end of spring, the slider is installed to the other end of spring, slider sliding connection is in the inside of smooth chamber, the one end that the spring was kept away from to the slider is equipped with the second cylinder, the second cylinder is located the inside of through-hole.

Further, an abutting block is arranged at one end, far away from the sliding block, of the second column.

The utility model has the following beneficial effects:

(1) According to the utility model, the connecting part is pushed, so that the abutting relation between the outer surface of the clamping part and the inner surface of the groove is canceled, the placing seat is conveniently taken down from the rectangular block, and the placing seats with different sizes are replaced, so that the fuel pumps with different sizes can be accurately positioned.

(2) According to the utility model, through the arranged damping structure, the abutting block can play a good role in buffering in the pressing process, and the pressure of the abutting block on the fuel pump is reduced.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a rectangular block and a placement base structure of the present utility model;

FIG. 3 is a cross-sectional view of the base, rectangular block and placement base structure of the present utility model;

FIG. 4 is a cross-sectional view of a shock absorbing structure of the present utility model;

In the drawings, the list of components represented by the various numbers is as follows:

The device comprises a base, a rectangular block, a groove, a placing seat, a 301 elastic clamping plate, a 30101 clamping part, a 30102 connecting part, a 4 bolt, a 5 first supporting plate, a 6 second supporting plate, a 7 connecting plate, an 8 first cylinder, a 9 shock absorption structure, a 901 first cylinder, a 90101 sliding cavity, a 902 spring, a 903, a sliding block, a 904 second cylinder, a10 second cylinder, a 11 air nozzle, a 12 connecting air pipe, a 13 abutting block.

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. 1-4, the utility model discloses a fuel pump air tightness detection tool, which comprises a base 1, wherein a rectangular block 2 is arranged on the upper surface of the base 1, a groove 201 is formed in the upper surface of the rectangular block 2, the two grooves 201 are fixedly and symmetrically arranged, a placement seat 3 is arranged on the upper surface of the rectangular block 2, an elastic clamping plate 301 is arranged on the lower surface of the placement seat 3, the two elastic clamping plates 301 are fixedly and symmetrically arranged, the elastic clamping plate 301 comprises a clamping part 30101 and a connecting part 30102, the placement seat 3 is arranged at one end of the clamping part 30101, the connecting part 30102 is arranged at the other end of the clamping part 30101, and the outer surface of the clamping part 30101 is abutted against the inner surface of the groove 201.

A plurality of screw holes are formed in the lower surface of the base 1, one end of each screw hole penetrates through the base 1 and extends to the inside of the rectangular block 2, and bolts 4 are connected to the internal threads of each screw hole.

The upper surface mounting of base 1 has first backup pad 5 and second backup pad 6, and the upper surface mounting of first backup pad 5 has connecting plate 7, and the upper surface mounting of connecting plate 7 has first cylinder 8, and the output of first cylinder 8 runs through connecting plate 7 and downwardly extending setting, and shock-absorbing structure 9 is installed to the output of first cylinder 8.

The second cylinder 10 is installed to the one end of second backup pad 6, and the output of second cylinder 10 runs through second backup pad 6, and air cock 11 is installed to the output of second backup pad 6, and the surface mounting of air cock 11 has connecting trachea 12.

The shock-absorbing structure 9 includes first cylinder 901, spring 902, slider 903 and second cylinder 904, the upper surface mounting of first cylinder 901 has seted up smooth chamber 90101 in the lower surface of first cylinder 901 at the lower surface of first cylinder 8 output, the through-hole has been seted up to the lower surface of first cylinder 901, the through-hole is linked together with smooth chamber 90101, the inside of smooth chamber 90101 is provided with spring 902, the interior top in smooth chamber 90101 is installed to one end of spring 902, slider 903 is installed to the other end of spring 902, slider 903 sliding connection is in smooth chamber 90101's inside, the one end that spring 902 was kept away from to slider 903 is equipped with second cylinder 904, second cylinder 904 is located the inside of through-hole.

An abutment block 13 is mounted to the end of the second cylinder 904 remote from the slider 903.

During the use, firstly install through connecting trachea 12 and external air pump, then place the fuel pump on placing seat 3, then open first cylinder 8, make the output of first cylinder 8 promote first cylinder 901 and move downwards, make butt piece 13 and fuel pump butt and seal, then through opening second cylinder 10, make the output of second cylinder 10 promote air cock 11 and the air inlet butt of fuel pump and seal, then start external air pump, make the gas of air pump flow to the inside of air cock 11 through connecting trachea 12, and then detect the leakproofness of fuel pump through air cock 11, when the size of fuel pump and the size of placing seat 3 are different, through pushing connecting portion 30102, make the surface of joint 30101 cancel the butt relation with the internal surface of recess 201, and then conveniently take off placing seat 3 from rectangular piece 2, change the not unidimensional fuel pump of placing seat 3, so that carry out accurate location to the unidimensional fuel pump.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. A fuel pump air tightness detection tool, comprising a base (1), characterized in that: a rectangular block (2) is arranged on the upper surface of the base (1), a groove (201) is opened on the upper surface of the rectangular block (2), the grooves (201) are fixed in two and symmetrically arranged, a placement seat (3) is arranged on the upper surface of the rectangular block (2), an elastic clamping plate (301) is arranged on the lower surface of the placement seat (3), and the elastic clamping plate (301) is fixed in two and symmetrically arranged;

The elastic clamping plate (301) comprises a clamping portion (30101) and a connecting portion (30102); a placement seat (3) is provided at one end of the clamping portion (30101), and a connecting portion (30102) is provided at the other end of the clamping portion (30101);

The outer surface of the clamping portion (30101) abuts against the inner surface of the groove (201).

2. A fuel pump air tightness detection tool according to claim 1, characterized in that: a plurality of threaded holes are opened on the lower surface of the base (1), one end of the threaded hole passes through the base (1) and extends to the inside of the rectangular block (2), and the internal thread of the threaded hole is connected with a bolt (4).

3. A fuel pump air tightness detection tool according to claim 1, characterized in that: a first support plate (5) and a second support plate (6) are installed on the upper surface of the base (1), a connecting plate (7) is installed on the upper surface of the first support plate (5), a first cylinder (8) is installed on the upper surface of the connecting plate (7), an output end of the first cylinder (8) passes through the connecting plate (7) and extends downward, and a shock absorbing structure (9) is installed on the output end of the first cylinder (8).

4. A fuel pump air tightness detection tool according to claim 3, characterized in that: a second cylinder (10) is installed at one end of the second support plate (6), the output end of the second cylinder (10) passes through the second support plate (6), an air nozzle (11) is installed at the output end of the second support plate (6), and a connecting air pipe (12) is installed on the outer surface of the air nozzle (11).

5. A fuel pump air tightness detection tool according to claim 3, characterized in that: the shock absorbing structure (9) comprises a first column (901), a spring (902), a slider (903) and a second column (904), the upper surface of the first column (901) is mounted on the lower surface of the output end of the first cylinder (8), a sliding cavity (90101) is provided inside the first column (901), a through hole is provided on the lower surface of the first column (901), and the through hole is in contact with the sliding cavity ( 90101), a spring (902) is arranged inside the sliding cavity (90101), one end of the spring (902) is installed on the inner top of the sliding cavity (90101), a slider (903) is installed on the other end of the spring (902), the slider (903) is slidably connected inside the sliding cavity (90101), a second column (904) is arranged at one end of the slider (903) away from the spring (902), and the second column (904) is located inside the through hole.

6. A fuel pump air tightness detection tool according to claim 5, characterized in that an abutment block (13) is installed at one end of the second column (904) away from the slider (903).