CN223597200U - A valve assembly test clamping fixture - Google Patents
A valve assembly test clamping fixtureInfo
- Publication number
- CN223597200U CN223597200U CN202423151875.XU CN202423151875U CN223597200U CN 223597200 U CN223597200 U CN 223597200U CN 202423151875 U CN202423151875 U CN 202423151875U CN 223597200 U CN223597200 U CN 223597200U
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- CN
- China
- Prior art keywords
- stop block
- test module
- expansion port
- valve group
- sealing ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The application belongs to the technical field of test fixture manufacturing, and particularly relates to a valve group test clamping fixture which comprises a base, wherein a first stop block and a second stop block are respectively arranged at two opposite ends of the base, a test module is arranged on one side of the base, which faces the second stop block, through a pushing device, a connecting pipe plug is arranged on the test module through a radial sealing shifter, the outer diameter of one end, which faces away from the test module, of the connecting pipe plug is smaller than the outer diameter, which faces towards one end of the test module, a preset distance is reserved between the test module and the second stop block, and a valve group limiter is arranged on the base, between the second stop block and the first stop block.
Description
Technical Field
The application belongs to the technical field of manufacturing of test tools, and particularly relates to a valve group test clamping tool.
Background
After the valve block is manufactured, testing of the flow conditions inside it is required. When testing, insert the takeover plug on the test module into the valves and be the entrance point, then flow on the test module just flows into in the valves from the takeover plug. The problem is that, because the model of each valve group is different, when the valve group is placed on the test clamping tool, the axis of the inlet of the valve group is not necessarily collinear with the axis of the take-over plug on the test module, and although a worker can place the valve group which is visually matched with the test module on the test clamping tool for detection in the test process, errors exist, and the errors can cause gaps between the take-over plug and the inlet of the valve group after the take-over plug is inserted into the inlet of the valve group, so that liquid can leak from the gaps in the test process, and thus inaccurate test is caused.
Disclosure of utility model
The application aims at overcoming the defects of the prior art, and designs a valve group testing clamping tool by adopting a mode that a connecting pipe plug is arranged on a testing module through a radial sealing shifter, so that when the connecting pipe plug is inserted into an inlet of a valve group, the connecting pipe plug and the inlet of the valve group can be always ensured to be in a sealed and non-leakage state in the radial moving process of the connecting pipe plug, and the problem of ensuring the testing accuracy is solved.
In order to achieve the above purpose, the present application provides the following technical solutions:
The utility model provides a valve group test presss from both sides tight frock, includes the base, relative both ends are equipped with first dog and second dog respectively on the base, on first dog orientation one side of second dog is equipped with test module through pusher, be equipped with the takeover plug through radial seal shifter on the test module, the takeover plug dorsad the external diameter of test module's one end is less than the orientation test module one end the external diameter, test module with preset distance between the second dog, be in on the base the second dog orientation be equipped with the valve group stopper between the first dog.
Preferably, the pushing device comprises a cylinder and a moving guide, the cylinder is arranged on the first stop block, a piston rod of the cylinder is parallel to a connecting line segment between the first stop block and the second stop block, the free end of the piston rod is fixedly connected with the testing module, and the moving guide guides the testing module to move in a direction parallel to the piston rod in the process of controlling the testing module to move by the piston rod.
Preferably, the moving guide comprises a through hole and a guide rod, the through hole is arranged on the first stop block and is far away from the cylinder, the axis of the through hole is parallel to the piston rod of the cylinder, the two ends of the guide rod are connected with the through hole in a sliding mode, one end of the guide rod, which faces the second stop block, is fixedly connected with the test module, and the length of the guide rod is larger than or equal to the distance between the test module and the second stop block when the test module clings to the first stop block.
Preferably, the radial sealing shifter comprises an expansion port and a first sealing ring, the expansion port is coaxially arranged at the position of an output port of the testing module, the inner diameter of the expansion port is larger than that of the output port, a first mounting groove is coaxially arranged on the end face of the pipe connecting plug, the first sealing ring is positioned in the first mounting groove, one end of the pipe connecting plug, which is provided with the first mounting groove, is positioned in the expansion port, the end face of the pipe connecting plug, which faces the output port, is abutted to the bottom face of the expansion port, the inner diameter of the expansion port is larger than that of one end of the pipe connecting plug in the expansion port, the inner diameter of the first sealing ring is larger than that of the output port, and the projection of the output port on the end face of the expansion port is always positioned in the projection of the first sealing ring on the end face of the expansion port no matter how the pipe connecting plug moves radially in the expansion port.
Preferably, the outer circumferential surface of one end of the connecting pipe plug, which faces the expansion port, is provided with a protrusion, one end of the expansion port, which faces away from the output port, is provided with an internal thread, an external thread nut coaxially stretches into the expansion port to be connected with the internal thread, the internal diameter of the external thread nut is larger than the maximum external diameter of the connecting pipe plug, and the external thread nut is inserted into the end surface of the expansion port to be abutted with the end surface of the protrusion, which faces the outside of the expansion port.
Preferably, the first mounting groove is formed on the protrusion.
Preferably, a second mounting groove is coaxially arranged on the circumferential surface of the bulge, a second sealing ring is coaxially and fixedly arranged in the second mounting groove, the outer circumferential surface of the second sealing ring is abutted to the inner circumferential surface of the expansion opening, and the elasticity of the second sealing ring is larger than that of the first sealing ring.
Preferably, the valve group limiter comprises a fixed stop block and a movable stop block which are arranged on the base, wherein the fixed stop block and the movable stop block are both arranged between the second stop block and the test module, the movable stop block is in a preset distance with the fixed stop block, and an included angle between a connecting line segment between the movable stop block and the fixed stop block and a connecting line segment between the second stop block and the first stop block is 0-180 degrees.
Preferably, a connecting line segment between the movable stop block and the fixed stop block is perpendicular to a connecting line segment between the second stop block and the first stop block.
Preferably, a slot matched with the movable stop block is arranged between the second stop block and the test module on the base, and a preset distance is reserved between the slot and the fixed stop block.
Compared with the prior art, the application has the following beneficial effects:
1. According to the valve group testing clamping tool, the mode that the connecting pipe plug is arranged on the testing module through the radial sealing shifter is adopted, so that when the connecting pipe plug is inserted into the inlet of the valve group, the sealing and non-leakage state between the connecting pipe plug and the inlet of the valve group can be always ensured in the radial moving process of the connecting pipe plug, and the problem of ensuring the testing accuracy is solved.
2. According to the application, the expansion port and the first sealing ring are arranged, so that the first sealing ring can radially move along with the adapter plug in the radial displacement process of the adapter plug, and meanwhile, one side of the first sealing ring is tightly attached to the root of the adapter plug, and the other side of the first sealing ring is tightly attached to the bottom wall of the expansion port, so that leakage of liquid in the radial movement process of the adapter plug is prevented.
Drawings
FIG. 1 is a schematic diagram of the structure of the present application;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is a schematic view of a plug for connecting pipes according to the present application;
FIG. 5 is a schematic diagram of the present application when testing a valve block.
1, A base; 2, a first stop block, 3, a second stop block, 4, a testing module, 5, a connecting plug, 6, a cylinder, 7, a guide rod, 8, an expansion port, 9, a first sealing ring, 10, an output port, 11, a first mounting groove, 12, a bulge, 13, an external threaded nut, 14, a second mounting groove, 15, a second sealing ring, 16, a fixed stop block, 17, a movable stop block, 18, a slot, 19 and a tested valve.
Detailed Description
As shown in fig. 1-5, a valve group test clamping fixture comprises a base 1, a first stop block 2 and a second stop block 3 are respectively arranged at two opposite ends of the base 1, a test module 4 is arranged on one side of the base 1, which faces the second stop block 3, through a pushing device, a connecting pipe plug 5 is arranged on the test module 4 through a radial sealing shifter, the outer diameter of one end, which faces away from the test module 4, of the connecting pipe plug 5 is smaller than the outer diameter of one end, which faces towards the test module 4, a preset distance is reserved between the test module 4 and the second stop block 3, and a valve group limiter is arranged on the base 1, which faces towards the second stop block 3, between the first stop blocks 2.
In this embodiment, when in use, the valve block 19 is placed between the second stop block 3 and the testing module 4, then the valve block 19 is fixed by the valve block limiter, and then the testing module 4 is pushed to move towards the valve block 9 by the pushing device until the adapter plug 5 on the testing module 4 is inserted into the inlet or the outlet of the valve block, and then the flow can be tested by introducing fluid into the valve block 19 from the testing module 4 or introducing fluid into the testing module 4 from the valve block 19. Due to the provision of the radial sealing mover, when the valve block 19 is mounted on the valve block stopper on the base 1, if there is a small distance (i.e., not collinear) between the axis of the inlet or outlet on the valve block 19 and the axis of the nipple plug 5 on the test module 4, the nipple plug 5 will move radially during the process of inserting the nipple plug 5 into the inlet or outlet on the valve block 19, and the sealing performance between the cannula connector 5 and the inlet or outlet of the valve block 19 will not be affected during the radial movement of the nipple plug 5, so that leakage will not be affected, and the test result will not be affected.
As a preferable mode, the pushing device comprises a cylinder 6 and a moving guide, the cylinder 6 is arranged on the first stop block 2, a piston rod of the cylinder 6 is parallel to a connecting line segment between the first stop block 2 and the second stop block 3, a free end of the piston rod is fixedly connected with the testing module 4, and the moving guide guides the testing module to move in a direction parallel to the piston rod in the process of controlling the testing module 4 to move by the piston rod. In this way, the first stop block 2 is pushed by the air cylinder 6 to push the test module 4 into the inlet or the outlet of the valve group 19 fixed on the valve group limiter, and the purpose of the moving guider is to enable the test module 4 to be stable in the process of pushing the test module 4, so that the test module 4 is prevented from moving radially in the process of pushing the test module 4.
As a preferred mode, the moving guide comprises a through hole and a guide rod 7, the through hole is arranged on the first stop block 2 and is far away from the air cylinder 6, the axis of the through hole is parallel to the piston rod of the air cylinder 6, the two ends of the guide rod 7 are in sliding connection with the through hole, one end, facing the second stop block 3, of the guide rod 7 is fixedly connected with the test module 4, and the length of the guide rod 7 is greater than or equal to the distance between the test module 4 and the second stop block 3 when the test module 4 is tightly attached to the first stop block 2. After the arrangement, the guide rod 7 and the through hole can axially slide without radial movement, so that the test module 4 can move along a straight line in the process of pushing the test module 4.
As a preferable mode, the radial sealing shifter comprises an expansion port 8 and a first sealing ring 9, the expansion port 8 is coaxially arranged on the test module 4 at an output port 10 of the test module 4, the inner diameter of the expansion port 8 is larger than that of the output port 10, a first mounting groove 11 is coaxially arranged on the end face of the adapter plug 5, the first sealing ring 9 is positioned in the first mounting groove 11, one end of the adapter plug 5, provided with the first mounting groove 11, is positioned in the expansion port 8, the end face of the adapter plug 5, which faces the output port 10, is abutted against the bottom face of the expansion port 8, the inner diameter of the expansion port 8 is larger than that of one end of the adapter plug 5 in the expansion port 8, the inner diameter of the first sealing ring 9 is larger than that of the output port 10, and the projection of the output port 10 on the end face of the expansion port 8 is always positioned in the projection of the first sealing ring 9 on the end face of the expansion port 8 no matter how the adapter plug 5 moves radially in the expansion port 8. After the arrangement, the first sealing ring 9 can radially move along with the adapter plug 5 in the radial displacement process of the adapter plug 5, meanwhile, one side of the first sealing ring 9 is tightly attached to the root of the adapter plug 5, and the other side of the first sealing ring is tightly attached to the bottom wall of the expansion port 8, so that leakage of liquid in the radial movement process of the adapter plug 5 is prevented.
As a preferable mode, a bulge 12 is arranged on the outer circumferential surface of one end of the pipe connecting plug 5 facing the expansion port 8, an inner thread is arranged at one end of the expansion port 8 facing away from the output port 10, an outer thread nut 13 coaxially stretches into the expansion port 8 to be connected with the inner thread, the inner diameter of the outer thread nut 13 is larger than the maximum outer diameter of the pipe connecting plug 5, and the end surface of the outer thread nut 13 inserted into the expansion port 8 is abutted with the end surface of the bulge 12 facing the outside of the expansion port 8. The projection 12 and the external screw nut 13 are provided to prevent the adapter plug 5 from falling out of the expansion port 8.
As a preferred manner, the first mounting groove 11 is provided on the projection 12. The arrangement in this way ensures that the projection of the outlet 10 onto the end face of the expansion opening 8 always lies in the projection of the first sealing ring 9 onto the end face of the expansion opening 8, i.e. the first sealing ring 9 lying in the first mounting groove 11 always ensures the tightness between the outlet 10 and the expansion opening 8 during the radial displacement of the adapter plug 5.
As a preferable mode, a second mounting groove 14 is coaxially provided on the circumferential surface of the protrusion 12, a second sealing ring 15 is coaxially and fixedly provided in the second mounting groove 14, the outer circumferential surface of the second sealing ring 15 abuts against the inner circumferential surface of the expansion port 8, and the elasticity of the second sealing ring 15 is greater than the elasticity of the first sealing ring 9. After the second mounting groove 14 and the second sealing ring 15 are arranged in such a way that after the radial displacement of the adapter plug 5, the coaxial state with the outlet 10 can be restored due to the elastic action of the second sealing ring 15.
As a preferable mode, the valve group limiter comprises a fixed stop block 16 and a movable stop block 17 which are positioned on the base 1, wherein the fixed stop block 16 and the movable stop block 17 are both positioned between the second stop block 3 and the test module 4, a preset distance is reserved between the movable stop block 17 and the fixed stop block 16, and an included angle between a connecting line segment between the movable stop block 17 and the fixed stop block 16 and a connecting line segment between the second stop block 3 and the first stop block 2 is 0-180 degrees. By providing a movable stop 17, the valve block 19 can be easily detached and installed on the base 1.
Preferably, a connecting line between the movable stopper 17 and the fixed stopper 16 is perpendicular to a connecting line between the second stopper 3 and the first stopper 2. This is preferably arranged so that the clamping forces exerted by the movable block 17 and the fixed block 16 on the valve block 19 are exactly co-linear in opposite directions.
As a preferable mode, a slot 18 matched with the movable stop block 17 is arranged on the base 1 between the second stop block 3 and the test module 4, and a preset distance is reserved between the slot 18 and the fixed stop block 16. After the arrangement, in the process of placing the valve block 19 on the base 1, the movable stop block 17 is pulled out of the slot 18, then the valve block 19 is pushed between the fixed stop block 16 and the slot 18, and then the movable stop block 17 is inserted into the slot 18, so that the valve block 19 can be prevented from sliding out of the base 1 from the slot 18. When the valve block 19 needs to be detached from the base 1, the movable stop block 17 is pulled out of the slot 18, so that the valve block 19 can be pushed off from the base 1.
Claims (10)
1. The utility model provides a valve group test presss from both sides tight frock, its characterized in that, including base (1), opposite both ends are equipped with first dog (2) and second dog (3) respectively on base (1), on base (1) first dog (2) orientation one side of second dog (3) is equipped with test module (4) through pusher, be equipped with on test module (4) take over plug (5) through radial seal mobile, take over plug (5) dorsad the external diameter of the one end of test module (4) is less than the external diameter of one end towards test module (4), test module (4) with preset distance between second dog (3), be equipped with the valve group stopper on base (1) second dog (3) orientation between first dog (2).
2. The valve group test clamping tool according to claim 1, wherein the pushing device comprises an air cylinder (6) and a moving guide, the air cylinder (6) is arranged on the first stop block (2), a piston rod of the air cylinder (6) is parallel to a connecting line segment between the first stop block (2) and the second stop block (3), the free end of the piston rod is fixedly connected with the test module (4), and the moving guide guides the test module to move in a direction parallel to the piston rod in the process of controlling the test module (4) to move by the piston rod.
3. The valve group test clamping tool according to claim 2, wherein the moving guide comprises a through hole and a guide rod (7), the through hole is formed in the first stop block (2) and is far away from the cylinder (6), the axis of the through hole is parallel to the piston rod of the cylinder (6), the two ends of the guide rod (7) are slidably connected with the through hole, one end of the guide rod (7) facing the second stop block (3) is fixedly connected with the test module (4), and the length of the guide rod (7) is larger than or equal to the distance between the test module (4) and the second stop block (3) when the test module (4) is tightly attached to the first stop block (2).
4. The valve group test clamping tool according to claim 1, wherein the radial sealing shifter comprises an expansion port (8) and a first sealing ring (9), the expansion port (8) is coaxially arranged on the test module (4) at an outlet (10) of the test module (4), the inner diameter of the expansion port (8) is larger than that of the outlet (10), a first mounting groove (11) is coaxially arranged on the end face of the pipe plug (5), the first sealing ring (9) is positioned in the first mounting groove (11), one end of the pipe plug (5) provided with the first mounting groove (11) is positioned in the expansion port (8), the end face of the pipe plug (5) facing the outlet (10) is abutted against the bottom surface of the expansion port (8), the inner diameter of the expansion port (8) is larger than that of one end of the pipe plug (5) in the expansion port (8), the inner diameter of the first sealing ring (9) is larger than that of the outlet (5), and the end face of the pipe plug (5) always moves on the projection of the expansion port (8) on the radial projection of the end face (8) of the expansion port (8).
5. The valve group test clamping tool according to claim 4, wherein a protrusion (12) is arranged on the outer circumferential surface of one end, facing the expansion port (8), of the connecting pipe plug (5), an inner thread is arranged at one end, facing away from the output port (10), of the expansion port (8), an outer thread nut (13) coaxially stretches into the expansion port (8) to be connected with the inner thread, the inner diameter of the outer thread nut (13) is larger than the maximum outer diameter of the connecting pipe plug (5), and the end surface, facing the expansion port (8), of the outer thread nut (13) is inserted into the end surface, facing the outer end surface of the expansion port (8), of the protrusion (12) to be abutted.
6. Valve group test clamping fixture according to claim 5, characterized in that the first mounting groove (11) is provided on the protrusion (12).
7. The valve group test clamping tool according to claim 5, wherein a second mounting groove (14) is coaxially arranged on the circumferential surface of the protrusion (12), a second sealing ring (15) is coaxially and fixedly arranged in the second mounting groove (14), the outer circumferential surface of the second sealing ring (15) is abutted to the inner circumferential surface of the expansion port (8), and the elasticity of the second sealing ring (15) is larger than that of the first sealing ring (9).
8. Valve group test clamping fixture according to claim 1, characterized in that the valve group limiter comprises a fixed stop block (16) and a movable stop block (17) which are arranged on the base (1), wherein the fixed stop block (16) and the movable stop block (17) are both arranged between the second stop block (3) and the test module (4), the movable stop block (17) is a preset distance from the fixed stop block (16), and an included angle between a connecting line segment between the movable stop block (17) and the fixed stop block (16) and a connecting line segment between the second stop block (3) and the first stop block (2) is 0-180 degrees.
9. Valve group test clamping fixture according to claim 8, characterized in that the connecting line between the movable stop (17) and the fixed stop (16) is perpendicular to the connecting line between the second stop (3) and the first stop (2).
10. Valve group test clamping fixture according to claim 9, characterized in that a slot (18) matched with the movable stop block (17) is arranged between the second stop block (3) and the test module (4) on the base (1), and a preset distance is reserved between the slot (18) and the fixed stop block (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423151875.XU CN223597200U (en) | 2024-12-19 | 2024-12-19 | A valve assembly test clamping fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423151875.XU CN223597200U (en) | 2024-12-19 | 2024-12-19 | A valve assembly test clamping fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223597200U true CN223597200U (en) | 2025-11-25 |
Family
ID=97737765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202423151875.XU Active CN223597200U (en) | 2024-12-19 | 2024-12-19 | A valve assembly test clamping fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223597200U (en) |
-
2024
- 2024-12-19 CN CN202423151875.XU patent/CN223597200U/en active Active
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