CN221280550U

CN221280550U - Verification fixture for detecting tightness of pump cover of engine cooling water pump

Info

Publication number: CN221280550U
Application number: CN202323056371.5U
Authority: CN
Inventors: 辛博; 江慧丽; 朱勇; 张祎; 袁源; 王建锋; 袁小凡
Original assignee: Xixia Feilong Aluminum Products Co ltd
Current assignee: Xixia Feilong Aluminum Products Co ltd
Priority date: 2023-11-13
Filing date: 2023-11-13
Publication date: 2024-07-05
Anticipated expiration: 2033-11-13

Abstract

The utility model discloses a checking fixture for detecting tightness of a pump cover of an engine cooling water pump, which comprises a fixture base, wherein two guide rails are fixedly connected to the upper surface of the fixture base, a movable tray is connected to the guide rails in a sliding manner, a pump cover body is mounted on the movable tray, a pressing mechanism is arranged above the guide rails, and a self-locking mechanism is arranged on one side of the guide rails. Pushing the supporting vertical plate to the upper part of the clamp base. The second hold down cylinder then pushes the lowered occluding ring downward. Under the promotion of second compress tightly the cylinder, the shutoff circle can be with the upper surface department of meeting of pump cover body. The second compaction cylinder can continue to extend after the plugging ring is contacted with the pump cover body, and the second compaction cylinder is lifted upwards. And after the second compression cylinder is lifted upwards, the U-shaped plate is driven to move upwards on the limiting slide rail, and finally, a supporting pad fixedly connected with the lower end of the U-shaped plate is contacted with the lower surface of the pump cover body for self-locking.

Description

Verification fixture for detecting tightness of pump cover of engine cooling water pump

Technical Field

The utility model relates to the technical field of check clamps, in particular to a check clamp for detecting tightness of a pump cover of an engine cooling water pump.

Background

The cooling liquid is also called antifreeze liquid, water tank, etc. The main function is to protect the engine from normal and good operation, and circulate in the engine water tank, thus playing the roles of preventing freezing, boiling, rust and corrosion. The pump cover of the engine water tank needs to be kept sealed during normal running, so that the pump cover needs to be detected after the pump cover is machined.

Retrieve prior art, publication number CN204366778U discloses engine cylinder block inspection jig, including base and roof, be equipped with on the base and be used for placing the engine cylinder block and be used for the workstation of shutoff hole on the cylinder block bottom surface and be located the cylinder block side direction sealing device of workstation both sides, be equipped with cylinder block top surface sealing device and cylinder block slant sealing device on the roof, cylinder block side direction sealing device, cylinder block top surface sealing device and cylinder block slant sealing device include respectively from different directions can be oriented the flexible push rod of workstation direction, the push rod top is equipped with the end cap that is used for shutoff hole on the cylinder block.

In the comparison document, holes in all directions of an engine cylinder body are plugged by pushing plugs through the hydraulic cylinder, but the cylinder body is not limited and fixed in the plugging process, so that the cylinder body can move after being pushed by the hydraulic cylinder, the cylinder body is displaced, and the detection result is inaccurate.

Disclosure of utility model

The utility model aims to provide a checking fixture for detecting the tightness of a pump cover of an engine cooling water pump so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: including the anchor clamps base, two guide rails of fixed surface connection on the anchor clamps base, sliding connection has the removal tray on the guide rail, install the pump cover body on the removal tray, the top of guide rail is equipped with pushing down the mechanism, one side of guide rail is equipped with self-locking mechanism, the one end fixedly connected with handle that the guide rail was kept away from to the removal tray.

Preferably, the pressing mechanism comprises a main pressing cylinder, the lower end of the main pressing cylinder is fixedly connected with a spring pressing column, the lower end of the spring pressing column is fixedly connected with a connecting flat plate, and the lower end of the connecting flat plate is fixedly connected with a plurality of first plugs.

Preferably, the self-locking mechanism comprises a supporting vertical plate, the supporting vertical plate is fixedly connected with the clamp base, one end fixedly connected with limiting sliding rail of the supporting vertical plate, which is close to the pump cover body, is vertical to the direction of the limiting sliding rail, a U-shaped plate is slidingly connected to the guide rail, the opening of the U-shaped plate is towards the direction of the pump cover body, the upper end of the U-shaped plate is fixedly connected with a second compression cylinder, a plugging ring is arranged at the lower end of the second compression cylinder, a supporting pad is arranged below the plugging ring, and the supporting pad is fixedly connected with the U-shaped plate.

Preferably, a plurality of horizontal cylinders are arranged on two sides of the upper surface of the clamp base, the moving ends of the horizontal cylinders are fixedly connected with second plugs, and the second plugs and the first plugs are made of soft materials.

Preferably, the outer surface of pump cover body has been seted up a plurality of communication holes, and is a plurality of the communication hole is in first end cap and second end cap looks adaptation respectively, first input hole has been seted up to the one end of pump cover body upper surface, the coplanar of pump cover body lower surface has been seted up to the same end, first input hole and shutoff circle looks adaptation, supporting plane and supporting pad looks adaptation.

Preferably, one end of the guide rail, which is close to the edge of the bottom plate of the clamp, is fixedly connected with a blocking block, the lower surface of the movable tray is fixedly connected with two groups of sliding blocks, and the sliding blocks are in sliding connection with the guide rail.

Compared with the prior art, the utility model has the beneficial effects that: the water pump cover to be detected is firstly placed on the supporting vertical plate, and then the supporting vertical plate is pushed to the direction of the clamp base, so that the supporting vertical plate is pushed to the upper side of the clamp base. The second hold down cylinder then pushes the lowered occluding ring downward. Under the promotion of second compress tightly the cylinder, the shutoff circle can be with the upper surface department of meeting of pump cover body. The second compaction cylinder can continue to extend after the plugging ring is contacted with the pump cover body, and the second compaction cylinder is lifted upwards. The second compresses tightly the cylinder and upwards lifts up the back and can drive the U-shaped board and upwards move on spacing slide rail, makes U-shaped board lower extreme fixed connection's supporting pad and the lower surface of pump cover body contact at last, carries out the auto-lock, can accomplish the fixed to the pump cover body with less pressure. The phenomenon of inaccurate air tightness detection results caused by deformation of products due to overlarge plugging force can be reduced. The deformation of the product is reduced, and the tightness detection precision and the tightness detection efficiency of the engine cooling water pump cover are improved.

Drawings

FIG. 1 is a schematic view of an initial state structure of the present utility model;

FIG. 2 is a schematic view of a fastening state structure of the present utility model;

FIG. 3 is a schematic view showing an initial state of the self-locking mechanism of the present utility model;

FIG. 4 is a schematic diagram of a fastening state structure of the self-locking mechanism using the novel self-locking mechanism;

Fig. 5 is a schematic structural view of a pressing mechanism of the present utility model.

In the figure: 1. a clamp base; 2. a guide rail; 3. moving the tray; 4. a pump cover body; 5. a self-locking mechanism; 6. a handle; 7. a pressing mechanism; 8. a main compression cylinder; 9. a spring pressing column; 10. a flat plate; 11. a first plug; 12. a supporting vertical plate; 13. a limit sliding rail; 14. a U-shaped plate; 15. a second compaction cylinder; 16. a plugging ring; 17. a support pad; 18. a transverse cylinder; 19. a second plug; 20. a communication hole; 21. a first input hole; 22. a blocking piece; 23. a sliding 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. 1-5, embodiments of the present utility model provide:

The embodiment comprises a clamp base 1, wherein the upper surface of the clamp base 1 is fixedly connected with two guide rails 2, and the guide rails 2 are connected with a movable tray 3 in a sliding manner. One end of the guide rail 2, which is close to the edge of the clamp bottom plate, is fixedly connected with a blocking block 22, the lower surface of the movable tray 3 is fixedly connected with two groups of sliding blocks 23, and the sliding blocks 23 are in sliding connection with the guide rail 2. The movable tray 3 is slidable on the guide rail 2, and moves the pump cover body 4 into the jig base 1. A plurality of transverse air cylinders 18 are arranged on two sides of the upper surface of the clamp base 1, and the moving ends of the transverse air cylinders 18 are fixedly connected with second plugs 19. The second plug 19 can seal the hole on the pump cover body 4, so that the tightness of the pump cover body 4 can be conveniently detected.

The pump cover is characterized in that the pump cover body 4 is mounted on the movable tray 3, a first supporting plate is arranged at one end of the guide rail 2, a pushing mechanism 7 is arranged above the guide rail 2, a self-locking mechanism 5 is arranged on one side of the guide rail 2, and a handle 6 is fixedly connected to one end, far away from the guide rail 2, of the movable tray 3. The pushing mechanism 7 can be used for pushing down and sealing the reserved hole on the pump cover body 4, and the self-locking mechanism 5 can be used for limiting and fixing the pump cover body 4.

The movable tray 3 is provided with a pump cover body 4, the outer surface of the pump cover body 4 is provided with a plurality of communication holes 20, the communication holes 20 are respectively matched with the first plug 11 and the second plug 19, one end of the upper surface of the pump cover body 4 is provided with a first input hole 21, the same end of the lower surface of the pump cover body 4 is provided with a supporting plane, the first input hole 21 is matched with the plugging ring 16, and the supporting plane is matched with the supporting pad 17. The sealing ring 16 can seal the first input hole 21, and the supporting pad 17 can move the below and support the pump cover body 4, conveniently fixes the pump cover body 4.

The self-locking mechanism 5 includes supporting riser 12, supporting riser 12 and anchor clamps base 1 fixed connection, the one end fixedly connected with guide rail 2 that supporting riser 12 is close to pump cover body 4, the orientation of spacing slide rail 13 is vertical orientation, sliding connection has U-shaped plate 14 on the spacing slide rail 13, the open-ended orientation pump cover body 4 direction of U-shaped plate 14, U-shaped plate 14 open-ended upper end fixedly connected with second compresses tightly cylinder 15, the shutoff circle 16 is installed to the lower extreme of second compresses tightly cylinder 15, the below of shutoff circle 16 is equipped with supporting pad 17, supporting pad 17 and U-shaped plate 14 fixed connection. When the second pressing cylinder 15 stretches, the plugging ring 16 at the lower end of the second pressing cylinder 15 is contacted with the pump cover body 4. After the plugging ring 16 contacts with the first input hole 21 of the pump cover body 4, the second compression cylinder 15 continues to stretch, so that the second compression cylinder 15 drives the U-shaped plate 14 to move upwards, the supporting pad 17 at the lower end of the U-shaped plate 14 contacts with the lower surface of the pump cover body 4, and the pump cover is fastened up and down simultaneously to fix the pump cover body 4 in a self-locking manner.

The pushing mechanism 7 comprises a main pressing cylinder 8, the lower end of the main pressing cylinder 8 is fixedly connected with a spring pressing column 9, the lower end of the spring pressing column 9 is fixedly connected with a connecting flat plate 10, and the lower end of the connecting flat plate 10 is fixedly connected with a plurality of first plugs 11. The spring pressure post 9 can absorb down force when the down force is too big, protects pump cover body 4, and first end cap 11 can carry out the shutoff to the hole on the pump cover body 4, is convenient for detect the leakproofness. The second plug 19 and the first plug 11 are both made of soft materials.

When the pump cover body 4 needs to be detected, the pump cover body 4 is placed on the movable tray 3, and then the pump cover body 4 is moved to the upper side of the clamp base 1. When the pump cover body 4 is moved into position, the pressing mechanism 7 pushes the spring pressing column 9 to move downwards, so that the first plug 11 seals the hole in the pump cover body 4.

While the second hold-down cylinder 15 pushes the lowered sealing ring 16 downwards. The sealing ring 16 is connected with the upper surface of the pump cover body 4 under the pushing of the second compressing cylinder 15. After the plugging ring 16 contacts with the pump cover body 4, the second pressing cylinder 15 can extend continuously, and the second pressing cylinder 15 is lifted upwards. The second compacting cylinder 15 will drive the U-shaped plate 14 to move upwards after being lifted upwards, and finally the supporting pad 17 fixedly connected with the lower end of the U-shaped plate 14 contacts with the lower surface of the pump cover body 4 to perform self-locking, so that the pump cover body 4 can be fixed by smaller pressure. The phenomenon of inaccurate air tightness detection results caused by deformation of products due to overlarge plugging force can be reduced.

The transverse cylinder 18 is then extended, so that the second plug 19 seals the hole at the corresponding position on the pump cover body 4, and an operator can conveniently detect the pump cover body 4 by using the airtight detection device.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a check fixture for engine cooling water pump cover leakproofness detects, includes anchor clamps base (1), its characterized in that: the novel self-locking clamp is characterized in that two guide rails (2) are fixedly connected to the upper surface of the clamp base (1), a movable tray (3) is connected to the guide rails (2) in a sliding mode, a pump cover body (4) is installed on the movable tray (3), a pushing mechanism (7) is arranged above the guide rails (2), a self-locking mechanism (5) is arranged on one side of the guide rails (2), and a handle (6) is fixedly connected to one end, away from the guide rails (2), of the movable tray (3).

2. The verification fixture for detecting tightness of pump cover of engine cooling water pump according to claim 1, wherein: the pressing mechanism (7) comprises a main pressing cylinder (8), the lower end of the main pressing cylinder (8) is fixedly connected with a spring pressing column (9), the lower end of the spring pressing column (9) is fixedly connected with a connecting flat plate (10), and the lower end of the connecting flat plate (10) is fixedly connected with a plurality of first plugs (11).

3. The verification fixture for detecting tightness of pump cover of engine cooling water pump according to claim 1, wherein: the self-locking mechanism (5) comprises a supporting vertical plate (12), the supporting vertical plate (12) is fixedly connected with the clamp base (1), one end fixedly connected with limiting sliding rail (13) of the supporting vertical plate (12) close to the pump cover body (4), the direction of the limiting sliding rail (13) is vertical, a U-shaped plate (14) is slidingly connected onto the limiting sliding rail (13), an opening of the U-shaped plate (14) faces the direction of the pump cover body (4), a second compression cylinder (15) is fixedly connected to the upper end of the opening of the U-shaped plate (14), a plugging ring (16) is arranged at the lower end of the second compression cylinder (15), and a supporting pad (17) is arranged below the plugging ring (16), and is fixedly connected with the U-shaped plate (14).

4. The verification fixture for detecting tightness of pump cover of engine cooling water pump according to claim 2, wherein: both sides of anchor clamps base (1) upper surface all are equipped with a plurality of horizontal cylinders (18), and a plurality of the motion end of horizontal cylinder (18) all fixedly connected with second end cap (19), the material of second end cap (19) and first end cap (11) is soft material.

5. A verification fixture for detecting tightness of a pump cover of an engine cooling water pump according to claim 3, wherein: the pump cover comprises a pump cover body (4), and is characterized in that a plurality of communication holes (20) are formed in the outer surface of the pump cover body (4), the communication holes (20) are respectively matched with a first plug (11) and a second plug (19), a first input hole (21) is formed in one end of the upper surface of the pump cover body (4), a supporting plane is formed in the same end of the lower surface of the pump cover body (4), the first input hole (21) is matched with a plugging ring (16), and the supporting plane is matched with a supporting pad (17).

6. The verification fixture for detecting tightness of pump cover of engine cooling water pump according to claim 1, wherein: one end of the guide rail (2) close to the edge of the clamp bottom plate is fixedly connected with a blocking block (22), the lower surface of the movable tray (3) is fixedly connected with two groups of sliding blocks (23), and the sliding blocks (23) are in sliding connection with the guide rail (2).