CN216012637U - Air tightness test bench of water pump shell - Google Patents
Air tightness test bench of water pump shell Download PDFInfo
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- CN216012637U CN216012637U CN202122067746.2U CN202122067746U CN216012637U CN 216012637 U CN216012637 U CN 216012637U CN 202122067746 U CN202122067746 U CN 202122067746U CN 216012637 U CN216012637 U CN 216012637U
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- pump shell
- main part
- test bench
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Abstract
The utility model discloses an air tightness testboard of water pump shell, including testboard main part, cell body and water pump shell main part, the inside central position department of testboard main part is provided with the pull board, the cell body sets up in the top of pull board, the bottom of cell body one side is provided with the blow vent, water pump shell main part is placed on the top of cell body, the inside bottom of water pump shell main part is provided with the impeller, the inside top of testboard main part is provided with the cylinder, the output of cylinder is provided with the seat that goes up and down through flexible post. The utility model discloses an install testboard main part, cylinder, lift seat, water pump shell main part, cell body, sealed cushion, blow vent, belt pulley, center pin and impeller, fill into the compressed air of certain pressure in through the blow vent, keep the certain time, through the change of external pressure sensor detection pressure, and then test convenient operation is swift to the gas tightness of water pump shell main part.
Description
Technical Field
The utility model relates to a water pump shell test technical field specifically is a water pump shell's gas tightness testboard.
Background
The effect of car water pump is to the coolant liquid pressurization, guarantees that it circulates in the cooling system and flows, and only the coolant liquid circulates and just can take away the heat of each part in the engine cylinder body, and the engine just can cool down, and in order to guarantee the product quality of car water pump, the water pump shell needs carry out the gas tightness test before the assembly.
Most of the existing water pump shell tests are complex in operation, not beneficial to simulating the working condition of the water pump, not accurate enough in test result, and the connection between the shell and the groove body is not tight enough during the test, so that air leakage is easy to occur, and in addition, the existing water pump shell tests are not beneficial to installation and disassembly of the water pump shell to be tested.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an air tightness testboard of water pump shell to the test result that provides in solving above-mentioned background art is accurate inadequately, the leakproofness between casing and the cell body is not enough and be unfavorable for tearing open the problem of changing the water pump shell that awaits measuring.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an air tightness testboard of water pump shell, includes testboard main part, cell body and water pump shell main part, the inside central position department of testboard main part is provided with the pull board, the cell body sets up in the top of pull board, the bottom of cell body one side is provided with the blow vent, water pump shell main part is placed on the top of cell body, the inside bottom of water pump shell main part is provided with the impeller, the inside top of testboard main part is provided with the cylinder, the output of cylinder is provided with the seat that goes up and down through flexible post, the top of testboard main part one side is provided with control panel, the inside bottom of testboard main part is provided with the cabinet body.
Preferably, both sides of pull board bottom all are provided with the slide rail, the both sides at testboard main part top all are provided with the spout with slide rail assorted.
Preferably, all be provided with the guide bar in the testboard main part of lift seat both sides, the both sides of lift seat all cup joint through uide bushing and guide bar slip.
Preferably, an arc-shaped groove is formed in the center of the top of the groove body, and the impeller is embedded into the groove body along the arc-shaped groove.
Preferably, a belt pulley is arranged at the top end of the water pump shell body, and the central position of the belt pulley is fixedly connected with the impeller through a central shaft.
Preferably, the inside bottom of lift seat is provided with the motor, and the output of motor is provided with the carousel through the telescopic link, the bottom of carousel evenly is provided with the jack catch, the edge at belt pulley top evenly be provided with jack catch assorted claw hole.
Preferably, the groove bodies on the two sides of the arc-shaped groove are both provided with sealing rubber pads, and the sealing rubber pads are made of rubber.
Preferably, the inside of arc wall is provided with first sealing washer and second sealing washer, and first sealing washer and second sealing washer laminate with the outer wall of water pump casing main part and the inner wall of arc wall respectively.
Preferably, a third sealing ring is arranged between the first sealing ring and the second sealing ring, and two ends of the third sealing ring are connected with two sides of the arc-shaped groove through a return spring.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) this water pump shell's gas tightness testboard is through installing the testboard main part, the cylinder, the lift seat, water pump shell main part, the cell body, sealed cushion, the blow vent, the belt pulley, center pin and impeller, the cylinder drives the lift seat through flexible post and moves down to move down and compress tightly water pump shell main part with the belt pulley contact, make the laminating of water pump shell main part and the sealed cushion at cell body top, the central point department at cell body top is provided with the arc wall, the impeller is arranged in the cell body along the arc wall embedding, fill into the compressed air of certain pressure in through the blow vent, keep the certain time, change through external pressure sensor detection pressure, and then test the gas tightness of water pump shell main part, and convenient operation is swift.
(2) This water pump shell's gas tightness testboard is through installing the motor, carousel and jack catch, the edge evenly distributed at belt pulley top has with jack catch assorted claw hole, make the jack catch of carousel bottom insert the claw hole on the belt pulley, later the motor drives carousel and jack catch and rotates, it rotates to drive the belt pulley, the central point department of putting of belt pulley passes through the center pin and is connected with the impeller, and then drive the impeller and rotate, the behavior of simulation water pump, make the test result of gas tightness more accurate, furthermore, the both sides of pull board bottom all are provided with the slide rail, the both sides at testboard main part top all are provided with the spout with slide rail assorted, do benefit to and take out the pull board and carry out the installation and the dismantlement of water pump shell main part.
(3) This water pump shell's gas tightness testboard is through being provided with first sealing washer in the inside of arc wall, the second sealing washer, third sealing washer and reset spring, the third sealing washer is under reset spring's promotion, hug closely the cooperation with the inclined plane of first sealing washer and second sealing washer, inwards pressure has been applyed to first sealing washer, make first sealing washer hug closely water pump shell main part, and the second sealing washer is also hugged closely the arc wall and is realized sealing, improve the seal, when first sealing washer wearing and tearing in addition, can produce clearance influence leakproofness usually, but under reset spring's effect, can promote first sealing washer and second sealing washer and compensate, make first sealing washer and second sealing washer tightly hug water pump shell main part and arc wall, do benefit to and realize long-term sealing.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
FIG. 2 is a schematic top view of the belt pulley of the present invention;
FIG. 3 is a schematic view of the cross-sectional structure of the trough body of the present invention;
fig. 4 is an enlarged schematic structural view of a portion a in fig. 3 according to the present invention;
fig. 5 is a schematic view of the drawing plate of the present invention.
In the figure: 1. a test bed main body; 2. a cabinet body; 3. a drawing plate; 4. a guide bar; 5. a belt pulley; 6. a turntable; 7. a lifting seat; 8. a control panel; 9. a cylinder; 10. a motor; 11. a claw; 12. a trough body; 13. a claw hole; 14. sealing the rubber gasket; 15. a water pump housing body; 16. a central shaft; 17. an impeller; 18. a vent; 19. a first seal ring; 20. an arc-shaped slot; 21. a return spring; 22. a third seal ring; 23. a second seal ring; 24. a slide rail.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides an embodiment: an air tightness test bench of a water pump shell comprises a test bench main body 1, a groove body 12 and a water pump shell main body 15, wherein a drawing plate 3 is arranged at the central position inside the test bench main body 1, the groove body 12 is arranged at the top end of the drawing plate 3, a vent 18 is arranged at the bottom end of one side of the groove body 12, the water pump shell main body 15 is placed at the top end of the groove body 12, slide rails 24 are arranged on two sides of the bottom of the drawing plate 3, and slide grooves matched with the slide rails 24 are arranged on two sides of the top of the test bench main body 1;
the sliding rail 24 slides in the sliding groove on the test bench main body 1, so that the water pump shell main body 15 can be conveniently detached;
the impeller 17 is arranged at the bottom end inside the water pump shell main body 15, the arc-shaped groove 20 is arranged in the center of the top of the groove body 12, the impeller 17 is embedded into the groove body 12 along the arc-shaped groove 20, the sealing rubber pads 14 are arranged on the groove body 12 on the two sides of the arc-shaped groove 20, the sealing rubber pads 14 are made of rubber materials, and the connection tightness between the water pump shell main body 15 and the groove body 12 is improved;
a first sealing ring 19 and a second sealing ring 23 are arranged inside the arc-shaped groove 20, and the first sealing ring 19 and the second sealing ring 23 are respectively attached to the outer wall of the water pump shell body 15 and the inner wall of the arc-shaped groove 20;
the third sealing ring 22 in the arc-shaped groove 20 is pushed by the return spring 21 to be in close fit with the inclined surfaces of the first sealing ring 19 and the second sealing ring 23, and applies inward pressure to the first sealing ring 19, so that the first sealing ring 19 is tightly attached to the water pump shell body 15, and the second sealing ring 23 is tightly attached to the inner wall of the arc-shaped groove 20 to realize sealing, thereby improving the sealing property;
a third sealing ring 22 is arranged between the first sealing ring 19 and the second sealing ring 23, and two ends of the third sealing ring 22 are connected with two sides of the arc-shaped groove 20 through a return spring 21;
when the first sealing ring 19 is worn, a gap is usually generated to influence the sealing performance, but under the action of the return spring 21, the first sealing ring 19 and the second sealing ring 23 can be pushed to compensate, so that the first sealing ring 19 and the second sealing ring 23 tightly cling to the water pump shell body 15 and the arc-shaped groove 20, and long-term sealing is facilitated;
the top end of the inside of the test board main body 1 is provided with an air cylinder 9, the output end of the air cylinder 9 is provided with a lifting seat 7 through a telescopic column, the top end of a water pump shell main body 15 is provided with a belt pulley 5, the central position of the belt pulley 5 is fixedly connected with an impeller 17 through a central shaft 16, the bottom end of the inside of the lifting seat 7 is provided with a motor 10, the output end of the motor 10 is provided with a rotary table 6 through a telescopic rod, the bottom end of the rotary table 6 is uniformly provided with clamping jaws 11, and the edge of the top of the belt pulley 5 is uniformly provided with clamping jaw holes 13 matched with the clamping jaws 11;
the cylinder 9 drives the lifting seat 7 to move downwards, so that the clamping jaws 11 are inserted into the clamping jaw holes 13, then the motor 10 drives the rotary table 6 and the clamping jaws 11 to rotate, the belt pulley 5 is driven to rotate, the central position of the belt pulley 5 is connected with the impeller 17 through the central shaft 16, the impeller 17 is driven to rotate, the working condition of the water pump is simulated, and the air tightness test result is more accurate;
a control panel 8 is arranged at the top end of one side of the test board main body 1, and a cabinet body 2 is arranged at the bottom end inside the test board main body 1;
the specific model specifications of the cylinder 9 and the motor 10 need to be determined by model selection calculation according to specification parameters and the like of the device, and the model selection calculation method is the prior art, so detailed description is omitted.
The working principle is as follows: when the device is used, a water pump shell main body 15 to be tested is placed on the groove body 12, the air cylinder 9 drives the lifting seat 7 to move downwards through the telescopic column, the clamping jaw 11 is driven to be inserted into the clamping jaw hole 13 on the belt pulley 5, the water pump shell main body 15 is further pressed tightly, the water pump shell main body 15 is attached to the sealing rubber mat 14 on the top of the groove body 12, the arc-shaped groove 20 is arranged in the central position of the top of the groove body 12, the impeller 17 is embedded into the groove body 12 along the arc-shaped groove 20, the third sealing ring 22 in the arc-shaped groove 20 is tightly matched with the inclined planes of the first sealing ring 19 and the second sealing ring 23 under the pushing of the reset spring 21, inward pressure is applied to the first sealing ring 19, the first sealing ring 19 is tightly attached to the water pump shell main body 15, the second sealing ring 23 is tightly attached to the inner wall of the arc-shaped groove 20 to realize sealing, the sealing performance is improved, and in addition, when the first sealing ring 19 is worn, a gap influence on the sealing performance is usually generated, but under the action of the reset spring 21, the first sealing ring 19 and the second sealing ring 23 can be pushed to compensate, so that the first sealing ring 19 and the second sealing ring 23 tightly cling to the water pump shell body 15 and the arc-shaped groove 20, long-term sealing is facilitated, then compressed air with certain pressure is filled in the air vent 18, a certain time is kept, the change of the pressure is detected through an external pressure sensor, the air tightness of the water pump shell body 15 is tested, the operation is convenient and rapid, meanwhile, the motor 10 drives the turntable 6 and the clamping jaws 11 to rotate, the belt pulley 5 is driven to rotate, the central position of the belt pulley 5 is connected with the impeller 17 through the central shaft 16, the impeller 17 is further driven to rotate, the working condition of the water pump is simulated, the air tightness test result is more accurate, after the test is finished, the sliding rail 24 slides in the sliding groove on the test board body 1 by pulling the pull plate 3, the water pump housing body 15 can be conveniently detached.
Claims (9)
1. An air tightness test bench of a water pump shell is characterized by comprising a test bench main body (1), a groove body (12) and a water pump shell main body (15), a drawing plate (3) is arranged at the central position inside the test board main body (1), the groove body (12) is arranged at the top end of the drawing plate (3), the bottom end of one side of the groove body (12) is provided with an air vent (18), the water pump shell main body (15) is arranged at the top end of the groove body (12), the bottom end inside the water pump shell main body (15) is provided with an impeller (17), the top end of the interior of the test board main body (1) is provided with an air cylinder (9), the output end of the air cylinder (9) is provided with a lifting seat (7) through a telescopic column, a control panel (8) is arranged at the top end of one side of the test bench main body (1), the bottom end in the test bench main body (1) is provided with a cabinet body (2).
2. The airtight test bench of a water pump housing of claim 1, wherein: the test bench is characterized in that sliding rails (24) are arranged on two sides of the bottom of the drawing plate (3), and sliding grooves matched with the sliding rails (24) are arranged on two sides of the top of the test bench main body (1).
3. The airtight test bench of a water pump housing of claim 1, wherein: all be provided with guide bar (4) in the testboard main part (1) of lift seat (7) both sides, the both sides of lift seat (7) all slide through uide bushing and guide bar (4) and cup joint.
4. The airtight test bench of a water pump housing of claim 1, wherein: an arc-shaped groove (20) is formed in the center of the top of the groove body (12), and the impeller (17) is embedded into the groove body (12) along the arc-shaped groove (20).
5. The airtight test bench of a water pump housing of claim 1, wherein: the top of water pump casing main part (15) is provided with belt pulley (5), the central point department of belt pulley (5) is through center pin (16) and impeller (17) fixed connection.
6. The airtightness test stand for a water pump housing according to claim 5, wherein: the inside bottom of lift seat (7) is provided with motor (10), the output of motor (10) is provided with carousel (6) through the telescopic link, the bottom of carousel (6) evenly is provided with jack catch (11), the edge at belt pulley (5) top evenly be provided with jack catch (11) assorted claw hole (13).
7. The airtightness test stand for a water pump housing according to claim 4, wherein: all be provided with sealed cushion (14) on the cell body (12) of arc wall (20) both sides, sealed cushion (14) are the rubber material.
8. The airtightness test stand for a water pump housing according to claim 4, wherein: the inside of arc wall (20) is provided with first sealing washer (19) and second sealing washer (23), first sealing washer (19) and second sealing washer (23) laminate with the outer wall of water pump casing body (15) and the inner wall of arc wall (20) respectively.
9. The airtight test bench of a water pump housing of claim 8, wherein: a third sealing ring (22) is arranged between the first sealing ring (19) and the second sealing ring (23), and two ends of the third sealing ring (22) are connected with two sides of the arc-shaped groove (20) through a return spring (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122067746.2U CN216012637U (en) | 2021-08-30 | 2021-08-30 | Air tightness test bench of water pump shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122067746.2U CN216012637U (en) | 2021-08-30 | 2021-08-30 | Air tightness test bench of water pump shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216012637U true CN216012637U (en) | 2022-03-11 |
Family
ID=80531999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122067746.2U Active CN216012637U (en) | 2021-08-30 | 2021-08-30 | Air tightness test bench of water pump shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216012637U (en) |
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2021
- 2021-08-30 CN CN202122067746.2U patent/CN216012637U/en active Active
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