CN219302157U - High-universality explosion-proof high-pressure valve pressure test device - Google Patents
High-universality explosion-proof high-pressure valve pressure test device Download PDFInfo
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- CN219302157U CN219302157U CN202222773602.3U CN202222773602U CN219302157U CN 219302157 U CN219302157 U CN 219302157U CN 202222773602 U CN202222773602 U CN 202222773602U CN 219302157 U CN219302157 U CN 219302157U
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- elastic plug
- blind flange
- explosion
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Abstract
The utility model discloses a high-universality explosion-proof high-pressure valve pressure testing device which comprises a valve and a group of pressure testing assemblies clamped and arranged relative to the positions of valve ports at two ends of the valve, wherein each pressure testing assembly comprises a blind flange, an elastic plug tightly connected with the blind flange, and a protective sleeve which is covered outside the elastic plug and detachably connected with the blind flange, the elastic plug is in contact and seal with the inner wall of the valve port, the protective sleeve is sheathed and matched with the outer wall of the valve port, and the blind flange and the elastic plug are provided with test medium through holes penetrating through the valve port. According to the utility model, the protective sleeve is arranged between the blind flange and the valve body, the valve port positions at the two ends of the valve body are balanced in the pressure test process, the inclination is avoided, and the explosion-proof safety guarantee effect is achieved.
Description
Technical Field
The utility model belongs to the technical field of valves, and particularly relates to a high-universality explosion-proof high-pressure valve pressure testing device.
Background
The valve ports of the valve are usually provided with butt welding ends (BW) or sleeve welding ends (SW), and the connection mode of the BW ports or the SW ports is firmer and more stable than that of flange connection, so that the connection part with the field pipeline can bear higher pressure. In order to detect the valve in advance, one end of the valve port is connected with a test medium, and the other end of the valve port detects the leakage condition. If the prior patent number is CN201720537541.7 valve pressure testing machine, the valve clamping pressure testing device comprises a cylinder body, a piston and a pressure testing blind plate, and test medium can be rapidly filled into the counter bore during pressure testing so as to push out the piston. The pressure test blind plate is fixedly connected with the piston through bolts, the cylinder body is provided with a test medium inlet, the pressure test blind plate is provided with a test medium outlet, and the piston is provided with a channel for communicating the test medium inlet and the test medium outlet. The existing pressure testing machine discloses that a bolt and a test medium outlet thereof are positioned in the valve port, two opposite pressure testing blind plates are directly clamped and abutted against the valve port, and when the valve is laterally inclined in the pressure testing process, the valve flies out of the valve to clamp the pressure testing device, so that the pressure testing machine has certain potential safety hazard.
Disclosure of Invention
The utility model aims to solve the technical problems and provide the high-universality explosion-proof high-pressure valve pressure testing device, so that a protective sleeve is arranged between the blind flange and the valve body, the valve port positions at the two ends of the valve body are balanced in the pressure testing process, the inclination is avoided, and the explosion-proof safety guarantee effect is achieved. In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a high commonality explosion-proof high pressure valve pressure testing device, includes the valve, for a set of pressure testing subassembly of the both ends valve port position centre gripping setting of valve, the pressure testing subassembly includes the blind flange, with the elastic plug of blind flange close-fitting connection and cover locate the outside of elastic plug and with the protective sheath of blind flange detachable connection, the elastic plug is sealed with the inner wall contact of valve port, the protective sheath cooperates with the outer wall suit of valve port, blind flange and elastic plug are equipped with the test medium via hole that link up the valve port.
Specifically, the valve comprises a valve body, and two ends of the valve body are respectively provided with a valve port which is horizontally communicated.
Specifically, the circumference of blind flange is equipped with a plurality of first mounting holes that are used for cooperation drive position and a plurality of second mounting holes that are used for cooperation protective sheath.
Specifically, the axle center of protective sheath and blind flange's centre of a circle concentric setting.
Specifically, a first through hole which is radially arranged is arranged in the blind flange, a second through hole which is arranged in a penetrating way is arranged in the elastic plug, and the first through hole and the second through hole are communicated to form a test medium through hole.
Specifically, the elastic plug is of a conical structure, one end of the elastic plug is in tight fit connection with the first through hole, and the other end of the elastic plug is in tight fit connection with the inner wall of the valve port to seal.
Specifically, the one end that the elastic plug is close to blind flange is equipped with the screw thread head of cooperation first through-hole.
Specifically, a sealing element is arranged between the elastic plug and the blind flange.
Specifically, the second through hole penetrates through the shaft center of the elastic plug, and the test medium through hole is communicated with the valve port.
Specifically, in the blind flange on both sides, one test medium via hole is used as a medium inlet, and the other test medium via hole is used as a medium outlet.
Compared with the prior art, the high-universality explosion-proof high-pressure valve pressure testing device has the following main beneficial effects:
the elastic plug is in spiral sealing connection with the blind flange, so that the assembly use of additional parts is reduced, and the tightness and the installation rapidness of the elastic plug and the blind flange are improved; the elastic plug is of a conical structure, is in sealing fit with the inner wall of the valve port, can be suitable for valve port pressure test of different diameter sizes, and has higher universality; the protective sleeve is sleeved and matched with the outer wall of the valve port, the protective sleeve has the function of guiding the balance of the valve port, the valve port is prevented from tilting, and the safety of pressure test is improved; the whole pressure testing assembly has the performance of sealing and pressure testing reliability, ensures the pressure testing efficiency, reduces the times of frequently replacing the elastic plug to adapt to different types of valve ports, and saves the cost.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present embodiment;
the figures represent the numbers:
the device comprises a valve 1, a valve 11, a valve port 12, an annular part, a blind flange 2, a first mounting hole 21, a second mounting hole 22, an elastic plug 3, a threaded head 31, a sealing element 32, a protective sleeve 4, a test medium through hole 5, a first through hole 51 and a second through hole 52.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely, but is apparent to those skilled in the art in view of the present utility model.
Examples:
referring to fig. 1-2, the embodiment is a high-universality explosion-proof high-pressure valve pressure testing device, which comprises a valve 1 and a group of pressure testing components clamped and arranged relative to valve ports 11 at two ends of the valve 1.
The pressure testing assembly comprises a blind flange 2, an elastic plug 3 tightly connected with the blind flange 2, and a protective sleeve 4 covered outside the elastic plug 3 and detachably connected with the blind flange 2, wherein the elastic plug 3 is in line contact sealing with the inner wall of the valve port 11, and the protective sleeve 4 is matched with the outer wall of the valve port 11 in a sleeved mode. The blind flange 2 and the elastic plug 3 are provided with test medium through holes 5 penetrating through the valve port 11.
The valve 1 comprises a valve body, and two ends of the valve body are respectively provided with a valve port 11 which is horizontally penetrated. In order to facilitate the valve 1 to be transferred into the pressure testing assembly, the bottom of the valve body is transported to a proper station through the transfer module, the blind flange 2 is driven to be horizontally close to the valve port 11, and a driving piece (not shown in the figure) is arranged on the blind flange 2.
The blind flange 2 in this embodiment is a disc structure, and a plurality of first mounting holes 21 for matching with the driving position and a plurality of second mounting holes 22 for matching with the protective sleeve 4 are arranged in the circumferential direction of the blind flange 2. The blind flange 2 is directly fitted to the driving position where it is to be installed through the first mounting hole 21, thereby effecting a relatively approaching or moving away action of the two blind flanges 2.
In this embodiment, the section of the protective sleeve 4 is a barrel body with a T-shaped structure, the axis of the protective sleeve 4 and the center of the blind flange 2 are concentrically arranged, one end of the protective sleeve 4 can be detachably attached to the end face of the blind flange 2, and the protective sleeve 4 is locked and fixed on the blind flange 2 through a mounting piece matched with the second mounting hole 22, and in this embodiment, the mounting piece is a bolt. The protective sleeve 4 has a guiding balance function on the valve port 11, the valve port 11 can not incline after being inserted into the protective sleeve 4, and the valve ports 11 at the two ends of the valve body are kept in a relatively horizontal state.
The other end of the protective sleeve 4 is sleeved with the outer wall of the valve port 11, and in order to further improve the sealing effect of the position of the valve port 11, a sealing ring (not shown in the figure) matched with the outer wall of the valve port 11 is arranged on the inner wall of the protective sleeve 4.
The blind flange 2 is internally provided with a first through hole 51 which is radially arranged, the elastic plug 3 is internally provided with a second through hole 52 which is arranged in a penetrating way, and the first through hole 51 and the second through hole 52 are communicated to form a test medium through hole 5. In this embodiment, the elastic plug 3 is made of nylon material, and has a certain supporting strength and elastic performance, the elastic plug 3 is in a conical structure, one end of the elastic plug 3 is tightly connected with the first through hole 51, and the other end of the elastic plug 3 is connected with the inner wall of the valve port 11 in a plugging manner to seal. The one end that the elastic plug 3 is close to blind flange 2 is equipped with the screw thread head 31 of the first through-hole 51 of cooperation, and after screw thread head 31 screwed in place with first through-hole 51, the terminal surface of elastic plug 3 flushes laminating with blind flange 2 and leans on the terminal surface to be equipped with sealing member 32 between elastic plug 3 and the blind flange 2, and sealing member 32 selects the sealing washer, and screw thread head 31 is direct to assemble sealedly with blind flange 2, reduces the use of extra spare part, improves elastic plug 3 and blind flange 2 complex compactness.
The second through hole 52 is formed along the axial center of the elastic plug 3, and the test medium via hole 5 is formed in communication with the valve port 11. One of the test medium through holes 5 in the blind flange 2 on two sides is used as a medium inlet, and the other test medium through hole 5 is used as a medium outlet, so that the circulation of the medium in the valve body is realized, and whether leakage occurs or not is judged, and pressure test and pressure relief are convenient.
The end of the valve port 11 of the valve body is provided with a protruding annular part 12, the diameter of the annular part 12 is gradually reduced from inside to outside along the axial direction of the valve port 11, and the inner periphery of the annular part 12 is in plug-in sealing fit with the elastic plug 3.
When the pressure testing device is applied, the valve 1 is fed between a group of pressure testing assemblies, the blind flange 2 is driven to drive the protective sleeve 4 to move and be sleeved on the outer wall of the valve port 11, the elastic plug 3 is inserted and sealed on the inner wall of the valve port 11, a medium is led to the test medium through hole 5 of the blind flange 2 on the other side by the test medium through hole 5 in the blind flange 2 on one side, the outside of the test medium through hole 5 is connected to pressure testing equipment (not shown in the figure) through a pressure pipe, when pressure needs to be detected, the pressure is detected through the medium in the valve body, and the pressure change of the medium in the valve body is detected through the pressure testing equipment, so that the pressure condition is judged.
In the embodiment, the elastic plug 3 is in spiral sealing connection with the blind flange 2, so that the assembly use of additional parts is reduced, and the tightness and the installation rapidness of the elastic plug 3 and the blind flange 2 are improved; the elastic plug 3 is of a conical structure, is in sealing fit with the inner wall of the valve port 11, can be suitable for pressure test of the valve port 11 with different diameter sizes, and has higher universality; the protective sleeve 4 is sleeved and matched with the outer wall of the valve port 11, the protective sleeve 4 has the function of guiding the balance of the valve port 11, the valve port 11 is prevented from tilting, and the safety of pressure test is improved; the whole pressure testing assembly has the performance of sealing and pressure testing reliability, ensures the pressure testing efficiency, reduces the times of frequently replacing the elastic plug to adapt to different types of valve ports, and saves the cost.
In the description of the present utility model, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although the embodiments of the present utility model are described above, the embodiments are only used for facilitating understanding of the present utility model, and are not intended to limit the present utility model. Any person skilled in the art can make any modification and variation in form and detail without departing from the spirit and scope of the present disclosure, but the scope of the present disclosure is to be determined by the appended claims.
Claims (10)
1. The utility model provides a high commonality explosion-proof high pressure valve pressure testing device, includes the valve, for a set of pressure testing subassembly of valve port position centre gripping setting in both ends of valve, its characterized in that: the pressure testing assembly comprises a blind flange, an elastic plug in tight fit connection with the blind flange, and a protective sleeve covering the outside of the elastic plug and detachably connected with the blind flange, wherein the elastic plug is in contact sealing with the inner wall of the valve port, the protective sleeve is matched with the outer wall of the valve port in a sleeved mode, and the blind flange and the elastic plug are provided with test medium through holes penetrating through the valve port.
2. The high-versatility explosion-proof high-pressure valve pressure testing device according to claim 1, wherein: the valve comprises a valve body, wherein two ends of the valve body are respectively provided with a valve port which is horizontally communicated.
3. The high-versatility explosion-proof high-pressure valve pressure testing device according to claim 1, wherein: the blind flange is circumferentially provided with a plurality of first mounting holes for being matched with the driving position and a plurality of second mounting holes for being matched with the protective sleeve.
4. The high-versatility explosion-proof high-pressure valve pressure testing device according to claim 1, wherein: the axle center of protective sheath and blind flange's centre of a circle concentric setting.
5. The high-versatility explosion-proof high-pressure valve pressure testing device according to claim 1, wherein: the blind flange is internally provided with a first through hole which is radially arranged, the elastic plug is internally provided with a second through hole which is communicated with the first through hole to form a test medium through hole.
6. The high-versatility explosion-proof high-pressure valve pressure testing device according to claim 5, wherein: the elastic plug is of a conical structure, one end of the elastic plug is in tight fit connection with the first through hole, and the other end of the elastic plug is in tight fit connection and abuts against the inner wall of the valve port to seal.
7. The high-versatility explosion-proof high-pressure valve pressure testing device according to claim 6, wherein: one end of the elastic plug, which is close to the blind flange, is provided with a threaded head matched with the first through hole.
8. The high-versatility explosion-proof high-pressure valve pressure testing device according to claim 1, wherein: and a sealing piece is arranged between the elastic plug and the blind flange.
9. The high-versatility explosion-proof high-pressure valve pressure testing device according to claim 5, wherein: the second through hole penetrates through the elastic plug along the axis of the elastic plug, and the test medium through hole is communicated with the valve port.
10. The high-versatility explosion-proof high-pressure valve pressure testing device according to claim 1, wherein: and in the blind flange at two sides, one test medium via hole is used as a medium inlet, and the other test medium via hole is used as a medium outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222773602.3U CN219302157U (en) | 2022-10-21 | 2022-10-21 | High-universality explosion-proof high-pressure valve pressure test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222773602.3U CN219302157U (en) | 2022-10-21 | 2022-10-21 | High-universality explosion-proof high-pressure valve pressure test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219302157U true CN219302157U (en) | 2023-07-04 |
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ID=86955938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222773602.3U Active CN219302157U (en) | 2022-10-21 | 2022-10-21 | High-universality explosion-proof high-pressure valve pressure test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219302157U (en) |
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2022
- 2022-10-21 CN CN202222773602.3U patent/CN219302157U/en active Active
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