CN215492797U - Wafer type valve body test tool - Google Patents
Wafer type valve body test tool Download PDFInfo
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- CN215492797U CN215492797U CN202121241196.5U CN202121241196U CN215492797U CN 215492797 U CN215492797 U CN 215492797U CN 202121241196 U CN202121241196 U CN 202121241196U CN 215492797 U CN215492797 U CN 215492797U
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- water inlet
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Abstract
The application discloses experimental frock of wafer formula valve body includes: the device comprises a bushing, a piston and a balanced pressure water inlet structure; an annular first groove is formed in the circumferential direction of the inner wall of the bushing, the piston is arranged in the first groove, and the balanced pressure water inlet structure is formed on the outer side surfaces of the first groove and the piston; the balance pressure water inlet structure is connected with the valve body, so that the pressure of the valve body is equal to that of the balance pressure water inlet structure. Be equipped with annular first recess through the inner wall circumference at the bush, the piston sets up in the inside of first recess, balanced pressure water inlet structure forms in the lateral surface of first recess and piston, balanced pressure water inlet structure is connected with the valve body, water self-balancing pressure water inlet structure gets into the inside of valve body, make valve body and balanced pressure water inlet structure pressure equal, the super high hydraulic pressure that produces in the testing process offsets the most clamp force of compensating in advance, reduce by a wide margin and beat the clamp force that the valve body received before the pressure, very big reduction valve body is by experimental and the deformation that produces.
Description
Technical Field
The utility model relates to the technical field of valve body tests, in particular to a wafer type valve body test tool.
Background
As is well known, in the valve manufacturing industry, the valve body pressure resistance test before product delivery is particularly important, the test result directly influences the valve qualification rate and the overall production efficiency, and factors influencing the valve tightness need to be eliminated as far as possible in order to reasonably standardize the test. At present, the valve body pressure-resistant testing machines of the opposite-clamping type on the market are various in types, but most of the opposite-clamping type valve body pressure-resistant testing machines directly clamp the valve body, but enough clamping force needs to be given in advance under the condition, so that the hydraulic pressure in the testing process can be balanced, the valve body is stressed unevenly after being clamped, and deformation is caused inevitably to influence the sealing performance of the valve.
In order to solve the defects, the wafer type valve body test tool capable of balancing through water pressure is designed.
SUMMERY OF THE UTILITY MODEL
It is an object of the present application to overcome the above problems or to at least partially solve or alleviate the above problems.
In order to realize the first aspect of the utility model, the technical scheme of the utility model provides a wafer type valve body test tool, which comprises: the device comprises a bushing, a piston and a balanced pressure water inlet structure; an annular first groove is formed in the circumferential direction of the inner wall of the bushing, the piston is arranged inside the first groove, and the balanced pressure water inlet structure is formed on the first groove and the outer side face of the piston; the balance pressure water inlet structure is connected with the valve body, so that the pressure of the valve body is equal to that of the balance pressure water inlet structure.
The beneficial effect of this application is: be equipped with annular first recess through the inner wall circumference at the bush, the piston sets up in the inside of first recess, balanced pressure water inlet structure forms in the lateral surface of first recess and piston, balanced pressure water inlet structure is connected with the valve body, water self-balancing pressure water inlet structure gets into the inside of valve body, make valve body and balanced pressure water inlet structure pressure equal, the super high hydraulic pressure that produces in the testing process offsets the most clamp force in advance of compensation, reduce the clamp force that the valve body received before suppressing by a wide margin, the deformation that very big reduction valve body produced by the experiment, the leakproofness of valve has been guaranteed, qualification rate and production efficiency have been improved.
In addition, the above technical solution of the present invention may further have the following additional technical features:
in the above technical scheme, the balanced pressure water inlet structure comprises a first through hole, a second groove, a second through hole and a first cavity; the first through hole is transversely formed in the middle of one side of the bushing, the second groove is circumferentially formed in the outer wall of the piston in a surrounding mode, the second through hole is transversely formed in the middle of one side of the piston and is communicated with the first through hole, and the first cavity is formed between the outer wall of the piston and the first groove; the first through hole, the first cavity, the second groove, the second through hole and the inside of the valve body are communicated, so that water enters the inside of the valve body and the pressure of the first cavity is equal.
In the above technical solution, the balanced pressure water inlet structure further comprises a third through hole and a fourth through hole which are communicated with each other; the third through hole is transversely formed in the middle of the other side of the lining, and the fourth through hole is transversely formed in the middle of the other side of the piston; wherein the third through hole, the fourth through hole, the first through hole and the second through hole are coaxially arranged.
In the technical scheme, the top end surface and the bottom end surface of the piston are both provided with sealing grooves, and sealing rings are arranged in the sealing grooves.
In the above technical solution, the height of the piston is consistent with the height of the first groove, so that the piston abuts against the inside of the first groove.
In the above technical scheme, the bush sets up in the inside of testing machine, one side of testing machine has inhalant canal, inhalant canal with first through-hole first cavity the second through-hole intercommunication.
In the above technical solution, the piston is sleeved outside the valve body; the interior of the valve body is provided with a second cavity, and the second cavity is provided with a side first opening, a side second opening and a top opening; the first side opening and the second side opening are tightly attached to the piston, and the first side opening is communicated with the second through hole and used for water to enter the second cavity from the water inlet channel, the first through hole, the first cavity and the second through hole.
In the above technical scheme, the bottom of the valve body is arranged on the platform.
In the technical scheme, the top of the valve body is provided with the upper sealing cover for sealing the top opening.
In the above technical scheme, the side surface second opening is communicated with the pressure-balancing water inlet structure.
The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present application will be described in detail hereinafter by way of illustration and not limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a cross-sectional view illustrating a schematic use state of a wafer-type valve body test tool according to an embodiment of the present application;
FIG. 2 is a schematic side view of one side of a cross-section of a bushing of the wafer-style valve body test fixture of FIG. 1;
fig. 3 is a schematic side view of a cross-sectional side of a piston of the wafer-type valve body testing tool shown in fig. 1.
The labels in the figure are:
1. a bushing; 1-1, a first groove; 1-2, a first through hole; 1-3, a threaded hole; 1-4, a third through hole;
2. a piston; 2-1, a second groove; 2-2, a second through hole; 2-3, a first cavity; 2-4, sealing grooves; 2-5, a fourth through hole;
3. a testing machine; 3-1, a water inlet channel;
4. a valve body; 4-1, a second cavity; 4-2, a side first opening; 4-3, a second opening on the side; 4-4, the top is open; 4-5, and sealing the cover.
Detailed Description
The present application will now be described in further detail by way of specific examples with reference to the accompanying drawings. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.
The utility model discloses a wafer-type valve body test tool, which generally comprises a lining 1, a piston 2 and a balanced pressure water inlet structure, as shown in figures 1, 2 and 3.
The concrete implementation is that the inner wall of the bushing 1 is circumferentially provided with an annular first groove 1-1, the piston 2 is arranged in the first groove 1-1, and the balanced pressure water inlet structure is formed on the outer side surfaces of the first groove 1-1 and the piston 2. Wherein, balanced pressure structure of intaking is connected with valve body 4 to make valve body 4 and balanced pressure structure of intaking equal pressure.
The beneficial effect of this application does: through being equipped with annular first recess 1-1 in the inner wall circumference of bush 1, piston 2 sets up in the inside of first recess 1-1, balanced pressure inlet structure forms in the lateral surface of first recess 1-1 and piston 2, balanced pressure inlet structure is connected with valve body 4, water self-balancing pressure inlet structure gets into the inside of valve body 4, make valve body 4 and balanced pressure inlet structure pressure equal, the super high hydraulic pressure that produces in the testing process offsets and compensates most clamp force in advance, reduce the clamp force that the valve body received before pushing by a wide margin, the deformation that the valve body produced by the experiment that very big reduction is by the experiment, the leakproofness of valve has been guaranteed, qualification rate and production efficiency have been improved.
Specifically, the bushing 1 is different from the original bushing in that a first groove 1-1 is formed in the bushing 1 for mounting the piston 2.
In the present embodiment, optionally, as shown in fig. 1, the balanced pressure water inlet structure may generally include a first through hole 1-2, a second groove 2-1, a second through hole 2-2, and a first cavity 2-3.
Specifically, the first through hole 1-2 is transversely arranged in the middle of one side of the bushing 1, the second groove 2-1 is circumferentially arranged on the outer wall of the piston 2 in a surrounding manner, the second through hole 2-2 is transversely arranged in the middle of one side of the piston 2 and is communicated with the first through hole 1-2, and the first cavity 2-3 is formed between the outer wall of the piston 2 and the first groove 1-1. The first through hole 1-2, the first cavity 2-3, the second groove 2-1, the second through hole 2-2 and the interior of the valve body 4 are communicated, so that water enters the interior of the valve body 4 and is equal to the pressure of the first cavity 2-3.
Water enters the valve body 4 from the first through hole 1-2, the first cavity 2-3, the second groove 2-1 and the second through hole 2-2, so that the interior of the valve body 4 and the first cavity 2-3 are filled with water, the pressure of the interior of the valve body 4 and the pressure of the first cavity 2-3 are equal to meet the requirement of the experiment of the valve body 4, and the valve body 4 is not deformed by external force.
Specifically, the first through hole 1-2 and the second through hole 2-2 have the same size so as to ensure the structural integrity and the water inlet speed.
Further, the first cavity 2-3 is a gap formed by the outer wall of the piston 2 not completely abutting against the inside of the first groove 1-1, and the first cavity 2-3 is communicated with the second groove 2-1 to form an integral cavity.
In the present embodiment, optionally, as shown in fig. 1, the balanced pressure water inlet structure further includes a third through hole 1-4 and a fourth through hole 2-5 which are communicated with each other.
Specifically, the third through hole 1-4 is transversely arranged in the middle of the other side of the bushing 1, and the fourth through hole 2-5 is transversely arranged in the middle of the other side of the piston 2. The third through hole 1-4, the fourth through hole 2-5, the first through hole 1-2 and the second through hole 2-2 are coaxially arranged. In this way, it is ensured that the interior of the pressure valve body 4 is at the same pressure as the first cavity 2-3.
Specifically, the third through holes 1-4 and the fourth through holes 2-5 have the same size to ensure the structural integrity.
In the present embodiment, optionally, as shown in fig. 1, the top end surface and the bottom end surface of the piston 2 are provided with sealing grooves 2-4, and sealing rings are arranged in the sealing grooves 2-4. The height of the piston 2 coincides with the height of the first groove 1-1 so that the piston 2 abuts against the inside of the first groove 1-1. The first cavity 2-3 can be sealed by arranging the sealing groove 2-4 and the sealing ring, and the wall is prevented from leaking water. And simultaneously, the piston 2 can be tightly attached to the liner 1.
In addition, the piston 2 and the bush 1 may be formed separately, or may be formed integrally, and when they are formed separately, they may be bonded by bolts and glue, or they may be connected by extrusion, and when they are formed integrally, they may be formed by direct processing with a die.
In the embodiment, optionally, as shown in fig. 1, the bushing 1 is disposed inside the testing machine 3, one side of the testing machine 3 is provided with a water inlet channel 3-1, the water inlet channel 3-1 is communicated with the first through hole 1-2, the first cavity 2-3 and the second through hole 2-2, and water enters the inside of the valve body 4 from the water inlet channel 3-1 and the first through hole 1-2, the first cavity 2-3 and the second through hole 2-2, so that water injection of the valve body is realized. The top end face of the bush 1 is provided with a threaded hole 1-3 for inserting a screw to fix it.
Preferably, the water inlet channel 3-1 is of a return L-shape to facilitate water inlet.
Specifically, the bushing 1 and the testing machine 3 may be connected in a clamping manner or may be connected by a bolt.
Specifically, this testing machine 3 is the testing machine that has been used for the valve body experiment.
In addition, the diameter of the water inlet channel 3-1 is consistent with that of the first through hole 1-2, so as to ensure the water injection flow rate and the structural integrity.
In the present embodiment, optionally, as shown in fig. 1, the piston 2 is sleeved outside the valve body 4, and the inside of the valve body 4 is provided with a second cavity 4-1, and the second cavity 4-1 is provided with a side first opening 4-2, a side second opening 4-3 and a top opening 4-4.
The concrete implementation is that the first opening 4-2 on the side surface and the second opening 4-3 on the side surface are tightly attached to the piston 2, and the first opening 4-2 on the side surface is communicated with the second through hole 2-2 and is used for water to enter the second cavity 4-1 from the water inlet channel 3-1, the first through hole 1-2, the first cavity 2-3 and the second through hole 2-2. Wherein, the first opening 4-2 on the side face is connected with the second through hole 2-2 only by extrusion and fitting, and a sealing ring is arranged, so that water can be injected into the second cavity 4-1, and the wall is free from leakage.
In the present embodiment, optionally, as shown in fig. 1, the bottom of the valve body 4 is disposed on the platform 5, and the top of the valve body 4 is mounted with an upper cover 4-5 for sealing the top opening 4-4.
Wherein, the top opening 4-4 is provided with a sealing ring for pressure maintaining, and the upper sealing cover 4-5 is detachably connected with the valve body 4 through a bolt, thereby being convenient for disassembly and assembly.
In this embodiment, the side second openings 4-3 are optionally in communication with a balanced pressure water intake structure, as shown in FIG. 1.
The concrete implementation is that the side surface second opening 4-3 is communicated with the fourth through hole 2-5 and the third through hole 1-4, wherein the side surface second opening 4-3 is connected with the fourth through hole 2-5 only by extrusion and lamination, and a sealing ring is arranged, so that the wall is free from leakage.
The working principle is as follows:
1. the bush 1 is arranged on the inner two sides of the testing machine 3, and a small pre-clamping force F is given by the testing machine 5 before the compression testJThe valve body 4 is fixed;
2. then water enters a second cavity 4-1 of the valve body 4 from the water inlet channel 3-1, the first through hole 1-2, the first cavity 2-3, the second groove 2-1 and the second through hole 2-2 and is filled with liquid;
3. as the first cavity 2-3 between the piston 2 and the bush 1 is communicated with the second cavity 4-1 of the valve body 4, the internal pressure intensity is equal, both sides of the piston 2 are subjected to hydraulic pressure at the moment, and the resultant force of the valve body 7 is F"2-F"$The resultant force is the clamping force actually applied in the pressure maintaining process of the valve body 4 and is far smaller than the pre-clamping force required by the existing test, and by adopting the tool, only a small pre-clamping force F is applied before the valve body is pressedJThe utility model has the advantages of, make piston 2 and 4 terminal surface laminating of valve body can, along with the value of suppressing constantly rises, the pressure differential that the piston 2 side produced can guarantee to seal, has reduced the deformation that too big clamp force of bush 1 and piston 2 experiment arouses valve body 4 in the experiment like this greatly to guarantee the good sealing performance of valve body 4. "
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present application, "a plurality" means two or more unless specifically defined otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides an experimental frock of wafer formula valve body which characterized in that includes:
the device comprises a bushing (1), a piston (2) and a balanced pressure water inlet structure;
an annular first groove (1-1) is formed in the circumferential direction of the inner wall of the bushing (1), the piston (2) is arranged inside the first groove (1-1), and the balanced pressure water inlet structure is formed on the outer side surfaces of the first groove (1-1) and the piston (2);
wherein the balance pressure water inlet structure is connected with the valve body (4) so that the pressure of the valve body (4) is equal to that of the balance pressure water inlet structure.
2. The wafer type valve body test tool according to claim 1, characterized in that:
the balanced pressure water inlet structure comprises a first through hole (1-2), a second groove (2-1), a second through hole (2-2) and a first cavity (2-3);
the first through hole (1-2) is transversely arranged in the middle of one side of the bushing (1), the second groove (2-1) is arranged in the circumferential direction of the outer wall of the piston (2) in a surrounding manner, the second through hole (2-2) is transversely arranged in the middle of one side of the piston (2) and is communicated with the first through hole (1-2), and the first cavity (2-3) is formed between the outer wall of the piston (2) and the first groove (1-1);
wherein the first through hole (1-2), the first cavity (2-3), the second groove (2-1), the second through hole (2-2) and the interior of the valve body (4) are communicated, so that water enters the interior of the valve body (4) and the pressure of the first cavity (2-3) is equal.
3. The wafer type valve body test tool according to claim 2, characterized in that:
the balanced pressure water inlet structure also comprises a third through hole (1-4) and a fourth through hole (2-5) which are communicated;
the third through hole (1-4) is transversely arranged in the middle of the other side of the bushing (1), and the fourth through hole (2-5) is transversely arranged in the middle of the other side of the piston (2);
wherein the third through hole (1-4), the fourth through hole (2-5), the first through hole (1-2) and the second through hole (2-2) are coaxially arranged.
4. The wafer type valve body test tool according to claim 1, characterized in that:
the top end face and the bottom end face of the piston (2) are both provided with sealing grooves (2-4), and sealing rings are arranged in the sealing grooves (2-4).
5. The wafer type valve body test tool according to claim 1, characterized in that:
the height of the piston (2) coincides with the height of the first groove (1-1) so that the piston (2) abuts against the inside of the first groove (1-1).
6. The wafer type valve body test tool according to claim 2, characterized in that:
the bushing (1) is arranged inside the testing machine (3), one side of the testing machine (3) is provided with a water inlet channel (3-1), and the water inlet channel (3-1) is communicated with the first through hole (1-2), the first cavity (2-3) and the second through hole (2-2).
7. The wafer type valve body test tool according to claim 6, characterized in that:
the piston (2) is sleeved outside the valve body (4);
the interior of the valve body (4) is provided with a second cavity (4-1), and the second cavity (4-1) is provided with a side first opening (4-2), a side second opening (4-3) and a top opening (4-4);
the first side opening (4-2) and the second side opening (4-3) are tightly attached to the piston (2), and the first side opening (4-2) is communicated with the second through hole (2-2) and used for allowing water to enter the second cavity (4-1) from the water inlet channel (3-1), the first through hole (1-2), the first cavity (2-3) and the second through hole (2-2).
8. The wafer type valve body test tool according to claim 7, characterized in that:
the bottom of the valve body (4) is arranged on the platform (5).
9. The wafer type valve body test tool according to claim 7, characterized in that:
an upper sealing cover (4-5) is installed at the top of the valve body (4) and used for sealing the top opening (4-4).
10. The wafer type valve body test tool according to claim 7, characterized in that:
the side second opening (4-3) is communicated with the balanced pressure water inlet structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121241196.5U CN215492797U (en) | 2021-06-04 | 2021-06-04 | Wafer type valve body test tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121241196.5U CN215492797U (en) | 2021-06-04 | 2021-06-04 | Wafer type valve body test tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215492797U true CN215492797U (en) | 2022-01-11 |
Family
ID=79782745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121241196.5U Active CN215492797U (en) | 2021-06-04 | 2021-06-04 | Wafer type valve body test tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215492797U (en) |
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2021
- 2021-06-04 CN CN202121241196.5U patent/CN215492797U/en active Active
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