CN215811448U - Oil pump gas tightness detection device - Google Patents
Oil pump gas tightness detection device Download PDFInfo
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- CN215811448U CN215811448U CN202122162939.6U CN202122162939U CN215811448U CN 215811448 U CN215811448 U CN 215811448U CN 202122162939 U CN202122162939 U CN 202122162939U CN 215811448 U CN215811448 U CN 215811448U
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- oil pump
- sealing
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Abstract
The utility model discloses an oil pump air tightness detection device, which belongs to the field of tool fixtures and comprises a working table frame, wherein a working pool is arranged on the working table frame, a bottom plate, a movable side sealing plate and a movable plugging block are arranged in the working pool, the bottom plate is a square plate, a sealing strip is arranged on the bottom plate, the sealing strip is enclosed into a semi-closed ring, a supporting block is arranged on the bottom plate, and the supporting block is arranged in the semi-closed ring enclosed by the sealing strip; the bottom plate is provided with a positioning pin, and the oil pump to be tested is positioned through the positioning pin; the oil pump to be tested is pressed on the bottom plate through the pressing block; the utility model can prevent the pump body from deforming during detection, can improve the detection accuracy and improve the product quality; the method has the advantage of simple operation, and improves the detection efficiency.
Description
Technical Field
The utility model relates to an oil pump air tightness detection device, and belongs to the technical field of tool fixtures.
Background
The aluminum pump has light weight, simple structure, easy processing and good performance, so the application of the aluminum pump is more and more extensive in recent years, and the smaller the weight is, the more the consumption of the diesel engine is reduced. Because of the characteristics of aluminum, the aluminum has better ductility, and can be made into thin-walled parts, which is more favorable for reducing weight. In order to reduce leakage caused by thin-wall parts and reduce the leakage failure rate of an oil pump, the tightness detection is carried out on each pump body, the pump body is completely blocked by the tightness detection, and due to the particularity of the structure of the pump body, a special device is required to carry out the air tightness detection on the pump body, and the existing air tightness detection device has the following problems in the actual use process:
1. in the detection process, the aluminum pump body is easy to deform, so that the aluminum pump is damaged;
2. the air tightness detection accuracy is poor, and the product quality is influenced.
3. The detection operation is complex and the efficiency is low.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems that the air tightness detection device of the oil pump is provided, the deformation of a pump body during detection can be prevented, the detection accuracy can be improved, and the product quality can be improved; the method has the advantage of simple operation, and improves the detection efficiency.
In order to solve the technical problems, the utility model adopts the following technical scheme: the oil pump air tightness detection device comprises a working table frame, wherein a working pool is arranged on the working table frame, a bottom plate, a movable side sealing plate and a movable plugging block are arranged in the working pool, the bottom plate is a square plate, a sealing strip is arranged on the bottom plate, the sealing strip is enclosed into a semi-closed ring, a supporting block is arranged on the bottom plate, and the supporting block is arranged in the semi-closed ring enclosed by the sealing strip; the bottom plate is provided with a positioning pin, and the oil pump to be tested is positioned through the positioning pin;
the oil pump to be tested is pressed on the bottom plate through the pressing block.
Further, the side sealing plate is arranged outside an opening of a semi-closed ring formed by the sealing strips; the side sealing plate is provided with a rubber strip, and the rubber strip and the sealing strip form a closed sealing ring during detection; the side sealing plate is fixed on an expansion rod of a first air cylinder, and the first air cylinder is fixed on the workbench frame.
Furthermore, the blocking block is arranged corresponding to a side working opening on the oil pump to be tested, the blocking block is fixed on a telescopic rod of a second cylinder, the second cylinder is fixed on the bottom plate, and the second cylinder drives the blocking block to move.
Further, the opening of the semi-closed ring formed by the sealing strips is arranged on one side edge of the bottom plate.
Furthermore, the upper compaction block is fixed on the top plate, two ends of the top plate are sleeved on the guide shaft through the guide sleeve, and the bottom end of the guide shaft is fixed on the working table frame.
Furthermore, the center position of the top plate is fixedly connected with a telescopic rod of a compression cylinder, the compression cylinder is fixed on the upper top plate, and the upper top plate is fixed on the top of the guide shaft.
Further, a liquid storage tank is arranged at the bottom of the working table frame and is communicated with the working pool through a pipeline.
After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:
the utility model can prevent the pump body from deforming during detection, can improve the detection accuracy and improve the product quality; the method has the advantage of simple operation, and improves the detection efficiency.
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a view A-A of FIG. 1;
in the figure, the position of the upper end of the main shaft,
1-a working table frame, 2-a positioning pin, 3-a sealing strip, 4-a side sealing plate, 5-a liquid storage tank, 6-a supporting block, 7-an upper pressing block, 8-a bottom plate, 9-a top plate, 10-a sealing block, 11-a working pool, 12-a pressing cylinder, 13-a guide sleeve, 14-a guide shaft, 15-an upper top plate, 16-a first cylinder and 17-a second cylinder.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.
Example 1
As shown in fig. 1-2, the utility model provides an oil pump air tightness detection device, which comprises a work bench 1, wherein a plurality of work pools 11 and a plurality of bottom plates 8 are arranged on the work bench 1, the bottom plates 8 are arranged in the work pools 11, the bottom plates 8 are square plates, sealing strips 3 are arranged on the bottom plates 8, the sealing strips 3 are enclosed to form a semi-closed ring, and both ends of the sealing strips 3 are aligned with the same side edge of the bottom plate 8, so that the opening of the semi-closed ring enclosed by the sealing strips 3 faces the side edge of the bottom plate 8 aligned with both ends of the sealing strips 3; the sealing strip 3 is used for sealing the large surface of the oil pump.
The bottom plate 8 is provided with a supporting block 6, the supporting block 6 is arranged in a semi-closed ring enclosed by the sealing strip 3, and the supporting block 6 is used for supporting the middle part of the oil pump to be detected and resisting the pressing force from the upper part of the detection device to prevent the deformation of parts.
A movable side sealing plate 4 is arranged in the working pool 11, and the side sealing plate 4 is arranged outside an opening of a semi-closed ring enclosed by the sealing strips 3; the side sealing plate 4 is provided with a rubber strip, and the rubber strip and the sealing strip 3 form a closed sealing ring during detection; specifically, when detecting, the rubber strip on the side sealing plate 4 is in close contact with the two ends of the sealing strip 3 to form a closed sealing ring, so that a better sealing effect is achieved.
The side sealing plate 4 is fixed on an expansion link of a first air cylinder 16, the first air cylinder 16 is fixed on the working table frame 1, and the first air cylinder 16 drives the side sealing plate 4 to move so as to seal the side face of the oil pump to be tested.
Two positioning pins 2 are arranged on the bottom plate 8, and the oil pump to be tested is positioned through the positioning pins 2.
The oil pump sealing device is characterized in that a sealing block 10 is arranged in the working pool 11, the sealing block 10 corresponds to a side working opening on the oil pump to be tested, the sealing block 10 is fixed on a telescopic rod of a second air cylinder 17, the second air cylinder 17 is fixed on the bottom plate 8, and the second air cylinder 17 drives the sealing block 10 to move so as to seal the side working opening of the oil pump to be tested and play a role in compressing the oil pump to be tested.
The bottom of work rack 1 is equipped with liquid reserve tank 5, liquid reserve tank 5 passes through the pipeline and communicates with working pool 11, is stored with transparent liquid in the liquid reserve tank 5, and transparent liquid in the liquid reserve tank 5 can be carried to working pool 11 in through the pump.
The detection device further comprises an upper pressing block 7 capable of moving up and down, the upper pressing block 7 is arranged above the supporting block 6, the upper pressing block 7 is fixed on the top plate 9 through a connecting piece, two ends of the top plate 9 are sleeved on a guide shaft 14 through guide sleeves 13, and the bottom end of the guide shaft 14 is fixed on the working table frame 1.
The center position of the top plate 9 is fixedly connected with an expansion rod of a pressing cylinder 12, the pressing cylinder 12 is fixed on an upper top plate 15, and the upper top plate 15 is fixed at the top of a guide shaft 14.
The working principle of the utility model is as follows:
when the oil pump testing device works, an oil pump to be tested is placed on the bottom plate and is positioned by the two positioning pins, the joint surface of the oil pump and the bottom plate are sealed through the sealing strips, the inner surface of the oil pump is attached to the upper surface of the supporting block, then the side sealing plate moves forwards to plug the side surface of the oil pump, the plugging block moves to plug the side working opening, meanwhile, a part to be tested is pressed onto the side sealing plate, and sealing is strengthened. And then starting a compaction cylinder, driving a top plate and an upper compaction block to move downwards along a guide shaft by the compaction cylinder, enabling the upper compaction block to tightly press the oil pump to be tested on a bottom plate, inserting an air duct into an air vent of the oil pump to be tested after the oil pump to be tested is sealed, and then sending the transparent liquid in the liquid storage tank into a workpiece pool along the duct to immerse the oil pump to be tested into the liquid. At the moment, gas with the pressure of about 0.5MPa is introduced into the oil pump body, the oil pump body is kept for 30 seconds, and whether bubbles emerge from the surface of the oil pump to be measured is carefully observed. If the air bubbles exist, the parts are proved to be air-leaked and unqualified. If no air bubble emerges, the part is qualified.
The foregoing is illustrative of the best mode of the utility model and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The scope of the present invention is defined by the appended claims, and any equivalent modifications based on the technical teaching of the present invention are also within the scope of the present invention.
Claims (7)
1. The utility model provides an oil pump gas tightness detection device which characterized in that: the sealing device comprises a working table frame (1), wherein a working pool (11) is arranged on the working table frame (1), a bottom plate (8), a movable side sealing plate (4) and a movable blocking block (10) are arranged in the working pool (11), the bottom plate (8) is a square plate, a sealing strip (3) is arranged on the bottom plate (8), the sealing strip (3) is enclosed into a semi-closed ring, a supporting block (6) is arranged on the bottom plate (8), and the supporting block (6) is arranged in the semi-closed ring enclosed by the sealing strip (3); the bottom plate (8) is provided with a positioning pin (2), and the oil pump to be tested is positioned through the positioning pin (2);
the oil pump testing device is characterized by further comprising an upper pressing block (7) capable of moving up and down, wherein the upper pressing block (7) is arranged above the supporting block (6), and the oil pump to be tested is pressed on the bottom plate (8) through the pressing block (7).
2. The oil pump airtightness detection apparatus according to claim 1, wherein: the side sealing plate (4) is arranged outside an opening of a semi-closed ring surrounded by the sealing strip (3); the side sealing plate (4) is provided with a rubber strip, and the rubber strip and the sealing strip (3) form a closed sealing ring during detection; the side sealing plate (4) is fixed on an expansion link of a first air cylinder (16), and the first air cylinder (16) is fixed on the workbench frame (1).
3. The oil pump airtightness detection apparatus according to claim 1, wherein: the oil pump sealing device is characterized in that the sealing block (10) corresponds to a side working opening on the oil pump to be tested, the sealing block (10) is fixed on a telescopic rod of a second cylinder (17), the second cylinder (17) is fixed on a bottom plate (8), and the second cylinder (17) drives the sealing block (10) to move.
4. The oil pump airtightness detection apparatus according to claim 1, wherein: the opening of the semi-closed ring formed by the sealing strip (3) is arranged on one side edge of the bottom plate (8).
5. The oil pump airtightness detection apparatus according to claim 1, wherein: go up compact heap (7) and fix on roof (9), the both ends of roof (9) are established on guiding axle (14) through uide bushing (13) cover, the bottom mounting of guiding axle (14) is on workstation frame (1).
6. The oil pump airtightness detection apparatus according to claim 5, wherein: the center position of the top plate (9) is fixedly connected with an expansion rod of the pressing cylinder (12), the pressing cylinder (12) is fixed on the upper top plate (15), and the upper top plate (15) is fixed at the top of the guide shaft (14).
7. The oil pump airtightness detection apparatus according to claim 1, wherein: the bottom of the working table frame (1) is provided with a liquid storage tank (5), and the liquid storage tank (5) is communicated with the working pool (11) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122162939.6U CN215811448U (en) | 2021-09-08 | 2021-09-08 | Oil pump gas tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122162939.6U CN215811448U (en) | 2021-09-08 | 2021-09-08 | Oil pump gas tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215811448U true CN215811448U (en) | 2022-02-11 |
Family
ID=80158996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122162939.6U Active CN215811448U (en) | 2021-09-08 | 2021-09-08 | Oil pump gas tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215811448U (en) |
-
2021
- 2021-09-08 CN CN202122162939.6U patent/CN215811448U/en active Active
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