CN214749462U - A water pressure test fixture for cylinder cap - Google Patents
A water pressure test fixture for cylinder cap Download PDFInfo
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- CN214749462U CN214749462U CN202121032142.8U CN202121032142U CN214749462U CN 214749462 U CN214749462 U CN 214749462U CN 202121032142 U CN202121032142 U CN 202121032142U CN 214749462 U CN214749462 U CN 214749462U
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Abstract
A water pressure testing tool for a cylinder cover comprises a pressure-bearing cylinder body and a sealing baffle cover, wherein the pressure-testing cylinder cover can be installed at the top of the pressure-bearing cylinder body through an upper flange, an end part annular groove is formed in the end face, facing one side of the pressure-testing cylinder cover, of the upper flange, and an end part sealing ring is installed in the end part annular groove; the side wall of the pressure-bearing cylinder body is provided with an air inlet, the bottom side of the pressure-bearing cylinder body is provided with a lower flange, the sealing baffle cover is connected with the lower flange through a bolt assembly, one end of the inner wall of the pressure-bearing cylinder body, which is close to the sealing baffle cover, is provided with a section of sliding sealing surface, the upper side of the sealing baffle cover is provided with a sliding sealing ring which extends into the inner cavity of the pressure-bearing cylinder body, the outer circumference of the sliding sealing ring is attached to the sliding sealing surface, the outer circumference of the sliding sealing ring is provided with a peripheral annular groove, a peripheral sealing ring is arranged in the peripheral annular groove, and the matching relation between the sliding sealing surface and the peripheral sealing ring meets the requirement that the peripheral sealing ring can still guarantee the effect of sealing between the sliding sealing ring and the sliding sealing surface after the bolt assembly is pressed and extended.
Description
Technical Field
The utility model relates to a water pressure test fixture field especially relates to a water pressure test fixture for cylinder cap.
Background
After parts such as the cylinder body, the cylinder cover and the like are processed, pressure testing is generally needed, the pressure testing of the cylinder body is simple, after water is injected into the cylinder body, the opening of the cylinder body is closed, and only one opening for pressurizing the inner cavity of the cylinder body is left. Because the opening area on the cylinder body is smaller than the volume of the cylinder body, the opening of the cylinder body can be conveniently sealed, and the difficulty of pressure test of the cylinder body is smaller. The cylinder cover is a part for sealing the cylinder body, and the shape of the cylinder cover is generally flat and disc-shaped, so that pressure test cannot be carried out by sealing an upper opening of the cylinder cover, and the cylinder cover is mounted on the pressure test cylinder body tool through the pressure test cylinder body tool matched with the cylinder cover to form an inner cavity shared by the pressure test cylinder body and the cylinder cover, and then water injection, sealing, pressurization and other operations are carried out. The key point of the pressure test process lies in the tightness of the pressure test cylinder body tool, and if the pressure test cylinder body tool leaks, the pressure bearing capacity of the cylinder cover cannot be judged. The existing pressure test cylinder body tool is complex in structure, troublesome in connection and sealing with a cylinder cover, and easy to leak water when the pressure of the pressure test is large, so that the normal operation of the pressure test is influenced.
SUMMERY OF THE UTILITY MODEL
Complicated use troublesome for solving current pressure testing frock structure, the problem of leaking takes place easily, the utility model provides a water pressure test frock for cylinder cap.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: a water pressure testing tool for a cylinder cover comprises a pressure-bearing cylinder body and a sealing baffle cover, wherein an upper flange is arranged on the top side of the pressure-bearing cylinder body, a pressure testing cylinder cover can be mounted on the top of the pressure-bearing cylinder body through the upper flange, an end part annular groove is formed in the end face, facing one side of the pressure testing cylinder cover, of the upper flange, an end part sealing ring is mounted in the end part annular groove, and the space between the upper flange and the pressure testing cylinder cover is sealed through the end part sealing ring; the side wall of the pressure-bearing cylinder body is provided with an air inlet, the bottom side of the pressure-bearing cylinder body is provided with a lower flange, a sealing baffle cover is positioned below the pressure-bearing cylinder body, the sealing baffle cover and the lower flange are connected through a bolt assembly, one end of the inner wall of the pressure-bearing cylinder body, which is close to the sealing baffle cover, is provided with a section of sliding sealing surface, the upper side of the sealing baffle cover is provided with a sliding sealing ring which extends into the inner cavity of the pressure-bearing cylinder body, the outer circumference of the sliding sealing ring is jointed with the sliding sealing surface, the outer circumference of the sliding sealing ring is provided with an outer circumference ring groove, an outer circumference sealing ring is arranged in the outer circumference ring groove, the surface smoothness of the sliding sealing surface is higher than that of the inner wall of the pressure-bearing cylinder body, and the matching relation between the sliding sealing surface and the outer circumference sealing ring meets the requirement that the outer circumference sealing ring moves along with the sealing baffle cover after the bolt assembly is pressed and extended, the effect of sealing between the sliding sealing ring and the sliding sealing surface by the peripheral sealing ring can be ensured.
Preferably, the pressure-bearing cylinder body is formed by welding an upper flange, a cylinder body and a lower flange, and the air inlet is positioned on the side wall of the cylinder body.
Preferably, the bottom surface of the sealing baffle cover is matched with the cylinder mounting surface of the crankcase, and the bottom end of the bolt assembly is screwed in a threaded hole formed in the cylinder mounting surface of the crankcase.
According to the technical scheme, the beneficial effects of the utility model are that:
the utility model provides a water pressure test frock for cylinder cap can carry out the water injection after installing the upper portion flange with the pressure testing cylinder cap, seal, operation such as pressurization, and the tip sealing washer of upper portion flange can be effectively sealed between upper portion flange and the pressure testing cylinder cap, and the periphery sealing washer that simultaneously seals the fender lid can effectively seal between pressure-bearing cylinder body and the sealed fender lid, connects through bolt assembly between the lower part flange of sealed fender lid and pressure-bearing cylinder body, simple structure easy dismounting. And when pressure testing pressure is great, when pressure in the pressure-bearing cylinder body inner chamber is great promptly, sealed fender lid can receive stronger being pushed away from the pressure-bearing cylinder body, probably can lead to bolt assembly pressurized extension, sealed fender lid and sliding seal ring all can be to keeping away from the direction motion of pressure-bearing cylinder body this moment, because the inner wall of pressure-bearing cylinder body has the higher slip sealing face of one section smooth finish, consequently, after slip sealing ring and periphery sealing washer take place the displacement, can guarantee still to have good sealed effect between periphery sealing washer and the slip sealing face, just can effectively avoid pressure testing pressure to take place to leak when great, guarantee the normal clear of pressure testing process, compare validity and the stability that has promoted cylinder cap water pressure test with current pressure testing frock.
Drawings
Fig. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic cross-sectional view of a pressure cylinder;
fig. 3 is a schematic cross-sectional view of a sealing flap.
The labels in the figure are: 1. pressure testing cylinder cover, 2, pressure-bearing cylinder body, 3, sealed fender lid, 4, bolt assembly, 5, tip annular, 6, sliding seal face, 7, upper portion flange, 8, barrel, 9, lower part flange, 10, sliding seal ring, 11, periphery annular.
Detailed Description
Referring to the drawings, the specific embodiments are as follows:
the utility model provides a water pressure test frock for cylinder cap, including pressure-bearing cylinder body 2 and sealed fender lid 3, pressure-bearing cylinder body 2 is by upper portion flange 7, barrel 8 and lower part flange 9 welding constitute, the top side of pressure-bearing cylinder body 2 is upper portion flange 7, pressure testing cylinder cap 1 can install the top at pressure-bearing cylinder body 2 through upper portion flange 7, upper portion flange 7 has seted up tip annular 5 towards the terminal surface of 1 one side of pressure testing cylinder cap, install the tip sealing washer in the tip annular 5, seal between upper portion flange 7 and pressure testing cylinder cap 1 through the tip sealing washer. An air inlet hole (not shown in the figure) is formed in the side wall of the cylinder body 8 of the pressure-bearing cylinder body 2, a lower flange 9 is arranged on the bottom side of the pressure-bearing cylinder body 2, the sealing baffle cover 3 is located below the pressure-bearing cylinder body 2, and the sealing baffle cover 3 is connected with the lower flange 9 through a bolt assembly 4. In this embodiment, the bottom surface of the sealing baffle cover 3 is matched with the cylinder mounting surface of the crankcase, and the bottom end of the bolt assembly 4 is screwed in the threaded hole formed in the cylinder mounting surface of the crankcase, so that a base matched with a pressure testing tool does not need to be manufactured independently, and the cost can be saved.
One end of the inner wall of the pressure-bearing cylinder body 2, which is close to the sealing blocking cover 3, is provided with a section of sliding sealing surface 6, the upper side of the sealing blocking cover 3 is provided with a sliding sealing ring 10 which extends into the inner cavity of the pressure-bearing cylinder body 2, the outer circumference of the sliding sealing ring 10 is attached to the sliding sealing surface 6, the outer circumference of the sliding sealing ring 10 is provided with an outer circumference annular groove 11, the outer circumference annular groove 11 is internally provided with an outer circumference sealing ring, the surface smoothness of the sliding sealing surface 6 is higher than the inner wall of the pressure-bearing cylinder body 2 which is positioned above the sliding sealing surface 6, and the matching relation between the sliding sealing surface 6 and the outer circumference sealing ring meets the requirement that the outer circumference sealing ring can ensure the sealing effect between the sliding sealing ring 10 and the sliding sealing surface 6 after the outer circumference sealing ring moves along with the sealing blocking cover 3 when the bolt assembly 4 is pressed and extended.
When the pressure-bearing cylinder cover is used, the sealing baffle cover 3 and the pressure-bearing cylinder body 2 are firstly placed on the cylinder mounting surface of the crankcase, then the bolt assembly 4 is screwed into the lower flange 9, the bottom end of the bolt assembly 4 is screwed into the threaded hole formed on the cylinder mounting surface of the crankcase, the sealing baffle cover 3 and the pressure-bearing cylinder body 2 can be tightly pressed on the cylinder mounting surface of the crankcase through the bolt assembly 4, then the air inlet hole on the side wall of the pressure-bearing cylinder body 2 is plugged, water is injected into the pressure-bearing cylinder body 2, then the pressure-bearing cylinder cover 1 is installed at the top of the pressure-bearing cylinder body 2 through the upper flange 7, water is continuously injected through the opening on the pressure-bearing cylinder cover 1 until the inner cavities of the pressure-bearing cylinder cover 1 and the pressure-bearing cylinder body 2 are filled with water, then the openings on the pressure-bearing cylinder cover 1 are all plugged, the air inlet holes on the side wall of the pressure-bearing cylinder body 2 are opened, and the inner cavities of the pressure-bearing cylinder cover 1 and the pressure-bearing cylinder body 2 are pressurized through the air inlet hole, the tightness of the pressure test cylinder head 1 under a specified pressure can be tested. When pressure testing pressure is great, when pressure in the 2 inner chambers of pressure-bearing cylinder body is great promptly, sealed fender lid 3 can receive stronger quilt and push away from pressure-bearing cylinder body 2's pressure, probably can lead to bolt assembly 4 pressurized extension, sealed fender lid 3 and sliding seal ring 10 all can be to the direction motion of keeping away from pressure-bearing cylinder body 2 this moment, because the inner wall of pressure-bearing cylinder body 2 has the higher sliding seal face 6 of one section smooth finish, consequently, take place the displacement back at sliding seal ring 10 and peripheral sealing ring, can guarantee still to have good sealed effect between peripheral sealing ring and the sliding seal face 6, just can effectively avoid pressure testing pressure to take place to leak when great.
Claims (3)
1. The utility model provides a water pressure test fixture for cylinder cap which characterized in that: the pressure-bearing cylinder cover comprises a pressure-bearing cylinder body (2) and a sealing baffle cover (3), wherein an upper flange (7) is arranged on the top side of the pressure-bearing cylinder body (2), a pressure-testing cylinder cover (1) can be installed on the top of the pressure-bearing cylinder body (2) through the upper flange (7), an end part annular groove (5) is formed in the end face, facing one side of the pressure-testing cylinder cover (1), of the upper flange (7), an end part sealing ring is installed in the end part annular groove (5), and the upper flange (7) and the pressure-testing cylinder cover (1) are sealed through the end part sealing ring; an air inlet is formed in the side wall of the pressure-bearing cylinder body (2), a lower flange (9) is arranged at the bottom side of the pressure-bearing cylinder body (2), the sealing baffle cover (3) is located below the pressure-bearing cylinder body (2), the sealing baffle cover (3) is connected with the lower flange (9) through a bolt assembly (4), one section of sliding sealing surface (6) is arranged at one end, close to the sealing baffle cover (3), of the inner wall of the pressure-bearing cylinder body (2), a sliding sealing ring (10) extending into the inner cavity of the pressure-bearing cylinder body (2) is arranged at the upper side of the sealing baffle cover (3), the outer circumference of the sliding sealing ring (10) is attached to the sliding sealing surface (6), an outer circumferential groove (11) is formed in the outer circumference of the sliding sealing ring (10), an outer circumferential sealing ring is installed in the outer circumferential groove (11), the surface smoothness of the sliding sealing surface (6) is higher than that of the inner wall of the pressure-bearing cylinder body (2) located above the sliding sealing ring, and the matching relation between the sliding sealing surface (6) and the outer circumferential sealing ring meets the requirement that the outer circumference of the bolt assembly (4) is extended under pressure-bearing cylinder body The peripheral sealing ring can ensure the effect of sealing between the sliding sealing ring (10) and the sliding sealing surface (6) after being displaced along with the sealing baffle cover (3).
2. The hydraulic pressure test tool for the cylinder cover according to claim 1, characterized in that: the pressure-bearing cylinder body (2) is formed by welding an upper flange (7), a cylinder body (8) and a lower flange (9), and the air inlet holes are formed in the side wall of the cylinder body (8).
3. The hydraulic pressure test tool for the cylinder cover according to claim 1, characterized in that: the bottom surface of the sealing baffle cover (3) is matched with the cylinder mounting surface of the crankcase, and the bottom end of the bolt assembly (4) is screwed in a threaded hole formed in the cylinder mounting surface of the crankcase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121032142.8U CN214749462U (en) | 2021-05-14 | 2021-05-14 | A water pressure test fixture for cylinder cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121032142.8U CN214749462U (en) | 2021-05-14 | 2021-05-14 | A water pressure test fixture for cylinder cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214749462U true CN214749462U (en) | 2021-11-16 |
Family
ID=78622486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121032142.8U Active CN214749462U (en) | 2021-05-14 | 2021-05-14 | A water pressure test fixture for cylinder cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214749462U (en) |
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2021
- 2021-05-14 CN CN202121032142.8U patent/CN214749462U/en active Active
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