CN216743014U - Stop check valve suitable for high-temperature fluid - Google Patents
Stop check valve suitable for high-temperature fluid Download PDFInfo
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- CN216743014U CN216743014U CN202023298948.XU CN202023298948U CN216743014U CN 216743014 U CN216743014 U CN 216743014U CN 202023298948 U CN202023298948 U CN 202023298948U CN 216743014 U CN216743014 U CN 216743014U
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Abstract
The utility model relates to the technical field of check valves, in particular to a cut-off check valve suitable for high-temperature fluid, which comprises a shell part, a lower pressing part, a rotating part, a rebounding part, a valve clack and a circulating part, wherein the lower end of the lower pressing part penetrates through the lower part of the top of the shell part and is connected with the valve clack, the lower pressing part is in sliding threaded connection with the top of the shell part, the rotating part is arranged in the middle of the shell part, one end of the rotating part penetrates through the shell part and is in rotating clamping connection with the valve clack, the rebounding part is arranged at the bottom inside the shell part, the valve clack is arranged inside the shell part, the circulating part is a through passage at the bottom of the shell part, and the valve clack is abutted to one end of the circulating part. In the use process, the utility model better solves the problems that the existing check valve can only realize one-way circulation when fluid exists in the pipeline, sometimes the check valve needs to be opened to ensure the fluid in the pipeline to reversely circulate, sometimes the check valve needs to realize the function of a stop valve, the existing check valve has no multifunctionality, and the use effect and the performance are lower, and the like.
Description
Technical Field
The utility model belongs to the technical field of check valves, and particularly relates to a stop check valve suitable for high-temperature fluid.
Background
The valve is a control part in a fluid conveying system, has the functions of stopping, regulating, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, is used for the valve of a fluid control system, and has quite various varieties and specifications from the simplest stop valve to various valves used in an extremely complicated automatic control system, and the check valve belongs to one type of valves.
Chinese patent with application number cn201921169351.x discloses a check valve that can end rivers, including pipeline and bolt, the top of pipeline is provided with the valve gap, the equal fixedly connected with mounting panel in bottom of valve gap both sides, bolt and pipeline fixed connection are passed through to the bottom of mounting panel, the inner chamber fixedly connected with lagging of pipeline, the through-hole has been seted up on the surface of lagging, the equal fixedly connected with connecting plate in right side that the top and the bottom of pipeline inner chamber just are located the lagging, the left side fixedly connected with spring of connecting plate, the left end fixedly connected with closing plate of spring, the left side of closing plate contacts with the right side of lagging, the guiding hole has all been seted up to the top and the bottom on closing plate right side. The utility model discloses a possess the advantage that can end rivers, solved current check valve and only had the function of non return rivers, can not end the fluidfluid at necessary moment, reduced the suitability of check valve, the problem that people used not convenient for.
However, when having the fluid in the pipeline, current check valve can only one-way circulation, and in practical application, need open the check valve sometimes and let fluid backward flow in the pipeline, need the check valve to realize the stop valve function sometimes, have the check valve and do not possess the multifunctionality, result of use and performance are lower, and this patent is through adopting the fine above-mentioned problem of having solved of check valve that is equipped with rotary type valve clack structure.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides the stop check valve suitable for the high-temperature fluid, which is used for solving the problems that the existing check valve can only realize one-way circulation when the fluid exists in a pipeline, sometimes the check valve needs to be opened to ensure the fluid in the pipeline to reversely circulate, sometimes the check valve is needed to realize the function of a stop valve, the existing check valve has no multifunctionality, and the use effect and the performance are low.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model provides a can stop check valve suitable for high temperature fluid, includes casing portion, splenium, rotation portion, resilience portion, valve clack and circulation portion down, the splenium lower extreme runs through the top lower part of casing portion and is connected with the valve clack down, splenium and the sliding thread connection in casing portion top down, casing portion middle part is arranged in to rotation portion, rotation portion one end is passed casing portion and is rotated the joint with the valve clack, resilience portion is arranged in the inside bottom of casing portion, inside casing portion is arranged in to the valve clack, the circulation portion is the passageway that casing portion bottom link up, the valve clack supports and leans on the one end at circulation portion.
Further, the valve clack comprises a valve clack body, a supporting block and two rotating lifting lugs, the valve clack body is of a round cake structure, the supporting block is arranged at the top of the valve clack body, and the two rotating lifting lugs are symmetrically arranged at the top of the valve clack body.
Further, the shell portion comprises a valve cover, a valve body, a lifting lug, a sealing gasket and a plurality of bolts, the valve cover is arranged at the top of the valve body, the sealing gasket is arranged at the joint of the valve cover and the valve body, the lifting lug is rotatably connected with the top of the valve cover, the bolts are annularly and uniformly distributed on the upper portion of the valve cover, and the bolts penetrate through the valve cover and are in threaded connection with the top of the valve body.
Further, the portion of rotating includes valve clack connecting axle, valve clack switch, rotates gland, rotates packing, driving gear and driven gear, it installs at the valve body middle part to rotate gland, it arranges in and rotates gland bottom to rotate the packing, the one end of valve clack connecting axle is passed and is rotated gland and stretch into inside the valve body, supporting shoe and two rotation lugs are passed to valve clack connecting axle one end, driven gear arranges in one and rotates in the lug, the driving gear is installed on the valve clack connecting axle and with the driven gear joint, the other end of valve clack connecting axle is arranged in to the valve clack switch.
Further, the pressing part comprises a valve handle, a valve rod, a pressing packing gland and a pressing packing, the pressing packing is filled on the valve cover, the pressing packing gland is arranged on the upper portion of the pressing packing, the pressing packing gland is fixed on the valve cover, the lower end of the valve rod penetrates through the middle of the pressing packing gland to be connected to the top of the supporting block, the middle of the valve rod is in threaded connection with the valve cover, and the valve handle is arranged on the top of the valve rod.
Further, valve body inner wall lower part is equipped with the valve clack draw-in groove, the portion of kick-backing includes spring and marble, valve clack draw-in groove middle part is equipped with the spring, the spring lower extreme is fixed in the valve clack draw-in groove, the marble is fixed on the spring top.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model comprises a shell part, a pressing part, a rotating part, a rebound part, a valve clack and a circulating part, wherein the shell part is a main body structure of the check valve, and provides an installation supporting position for other parts of the check valve, so that the flow direction control of high-temperature fluid is realized, the pressing part presses the valve clack downwards to be fixed at the bottom of the shell part, so that the circulating part is sealed, the function of stopping the flow of the high-temperature fluid is realized, the rotating part controls the valve clack to turn over around the rotating part, so that the closing and opening of the circulating part are realized, and when the pressing force of the pressing part on the valve clack is removed, the valve clack is pushed to be restored to the initial position, so that the versatility of the check valve is improved.
The valve clack is used as a partition plate for controlling the circulation or disconnection of the circulating part, and the valve clack is in different position states, so that the multifunctional performance of the check valve is realized, the control on high-temperature fluid is improved, and the reuse rate of the check valve is improved. Valve gap and valve body make the inside airtight space that forms of check valve, and sealed the pad has improved the leakproofness of valve gap and valve body, and a plurality of bolts fasten valve gap and valve body connection. The valve clack switch controls the rotation of the valve clack connecting shaft, the rotating packing improves the sealing performance of the valve clack connecting shaft penetrating through the opening of the valve body, the rotating packing gland is used for sealing and pressing the rotating packing, and the driving gear is connected with the driven gear in a clamped mode, so that the valve clack can rotate along with the valve clack connecting shaft. The valve rod top sets up the valve handle, for rotating the valve rod provides the turning force, pushes down the packing and seals up the valve gap, pushes down gland packing and seals up the packing and compress tightly, valve rod and valve gap threaded connection push down the valve clack through rotating. After the valve clack is pushed down by the pushing-down part, the valve clack is connected in the valve clack clamping groove in a clamping mode, the flowing-through part is separated, and after the external force is removed by the pushing-down part, the spring pushes the marble to push up the valve clack.
The check valve well solves the problems that the existing check valve can only realize one-way circulation when fluid exists in a pipeline, sometimes the check valve needs to be opened to ensure that the fluid in the pipeline reversely flows in practical application, sometimes the check valve needs to realize the function of the stop valve, and the existing check valve has no multifunctionality and lower use effect and performance. The utility model has simple structure, convenient operation, stability, reliability and long service life.
Drawings
FIG. 1 is a schematic structural view (cross-sectional view I) of a high temperature fluid check valve according to the present invention;
FIG. 2 is a schematic structural view (cross-sectional view II) of a high temperature fluid check valve according to the present invention;
FIG. 3 is a schematic structural diagram of a high temperature fluid check valve according to the present invention;
reference numerals in the drawings of the specification include:
a housing part 1; a valve cover 101; a valve body 102; a lifting lug 103; a gasket 104; a bolt 105; a valve flap clamping slot 106;
a pressing part 2; a valve handle 201; a valve stem 202; pressing down the packing gland 203; pressing down the packing 204;
a rotating section 3; a valve flap connecting shaft 301; a flap switch 302; rotating the packing gland 303; rotating the filler 304; a drive gear 305; a driven gear 306;
a spring back portion 4; a spring 401; a marble 402;
a valve flap 5; a valve flap body 501; a support block 502; the lifting lug 503 is rotated;
and a flow-through part 6.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
The first embodiment is as follows:
as shown in fig. 1-3, a suitable for high temperature fluid can be by check valve, including housing 1, the splenium 2, rotation portion 3, resilience portion 4, valve clack 5 and circulation portion 6, the splenium 2 lower extreme runs through the top lower part of housing 1 and is connected with valve clack 5, the splenium 2 slides threaded connection with housing 1 top, rotation portion 3 arranges housing 1 middle part in, rotation portion 3 one end is passed housing 1 and is rotated the joint with valve clack 5, resilience portion 4 is arranged in the inside bottom of housing 1, valve clack 5 is arranged in housing 1 inside, circulation portion 6 is the passageway that housing 1 bottom link up, valve clack 5 supports and leans on in circulation portion 6 one end.
The utility model comprises a shell part 1, a pressing part 2, a rotating part 3, a rebound part 4, a valve flap 5 and a circulating part 6, wherein the shell part 1 is the main structure of the check valve and provides an installation supporting position for other parts of the check valve to realize the flow direction control of high-temperature fluid, the pressing part 2 presses the valve flap 5 downwards to ensure that the valve flap is fixed at the bottom of the shell part 1 so as to further seal the circulating part 6 and realize the function of stopping the flow of the high-temperature fluid, the rotating part 3 controls the valve flap 5 to turn around the rotating part 3 to realize the sealing and opening of the circulating part 6, and when the pressing part 2 removes the pressing force on the valve flap 5, the valve flap 5 is pushed to return to the initial position, thereby improving the versatility of the check valve.
The valve clack 5 comprises a valve clack body 501 which is of a round cake structure, a supporting block 502 is arranged at the top of the valve clack body 501, and two rotating lifting lugs 503 are symmetrically arranged at the top of the valve clack body 501.
The valve clack 5 is as the baffle of control circulation 6 circulation or disconnection, and valve clack 5 has realized this check valve's multifunctionality through being in different position states, has improved the control to high temperature fluid, has improved this check valve's rate of reusability.
The casing part 1 comprises a valve cover 101, a valve body 102, a lifting lug 103, a sealing gasket 104 and a plurality of bolts 105, the valve cover 101 is arranged at the top of the valve body 102, the sealing gasket 104 is arranged at the joint of the valve cover 101 and the valve body 102, the lifting lug 103 is rotatably connected with the top of the valve cover 101, the bolts 105 are annularly and uniformly distributed on the upper part of the valve cover 101, and the bolts 105 penetrate through the valve cover 101 and are in threaded connection with the top of the valve body 102.
The valve cover 101 and the valve body 102 form a sealed space inside the check valve, the packing 104 improves the sealing property of the valve cover 101 and the valve body 102, and the plurality of bolts 105 fasten the connection of the valve cover 101 and the valve body 102.
Example two:
as shown in fig. 1-3, a suitable for high temperature fluid can be by check valve, including housing 1, the splenium 2, rotation portion 3, resilience portion 4, valve clack 5 and circulation portion 6, the splenium 2 lower extreme runs through the top lower part of housing 1 and is connected with valve clack 5, the splenium 2 slides threaded connection with housing 1 top, rotation portion 3 arranges housing 1 middle part in, rotation portion 3 one end is passed housing 1 and is rotated the joint with valve clack 5, resilience portion 4 is arranged in the inside bottom of housing 1, valve clack 5 is arranged in housing 1 inside, circulation portion 6 is the passageway that housing 1 bottom link up, valve clack 5 supports and leans on in circulation portion 6 one end.
The utility model comprises a shell part 1, a pressing part 2, a rotating part 3, a rebound part 4, a valve clack 5 and a circulating part 6, wherein the shell part 1 is a main structure of the check valve and provides an installation support position for other parts of the check valve to realize the flow direction control of high-temperature fluid, the pressing part 2 presses the valve clack 5 downwards to ensure that the valve clack is fixed at the bottom of the shell part 1 so as to seal the circulating part 6 and realize the function of stopping the flow of the high-temperature fluid, the rotating part 3 controls the valve clack 5 to turn around the rotating part 3 to realize the sealing and opening of the circulating part 6, and when the pressing part 2 removes the pressing force on the valve clack 5, the valve clack 5 is pushed to return to the initial position, thereby improving the versatility of the check valve.
The valve flap 5 comprises a valve flap body 501 in a round cake structure, a supporting block 502 is arranged at the top of the valve flap body 501, and two rotating lugs 503 are symmetrically arranged at the top of the valve flap body 501.
The valve clack 5 is as the baffle of control circulation 6 circulation or disconnection, and valve clack 5 has realized this check valve's multifunctionality through being in different position states, has improved the control to high temperature fluid, has improved this check valve's rate of reusability.
The casing part 1 comprises a valve cover 101, a valve body 102, a lifting lug 103, a sealing gasket 104 and a plurality of bolts 105, the valve cover 101 is arranged at the top of the valve body 102, the sealing gasket 104 is arranged at the joint of the valve cover 101 and the valve body 102, the lifting lug 103 is rotatably connected with the top of the valve cover 101, the bolts 105 are annularly and uniformly distributed on the upper part of the valve cover 101, and the bolts 105 penetrate through the valve cover 101 and are in threaded connection with the top of the valve body 102.
The valve cover 101 and the valve body 102 form a sealed space inside the check valve, the packing 104 improves the sealing property of the valve cover 101 and the valve body 102, and the plurality of bolts 105 fasten the connection of the valve cover 101 and the valve body 102.
The rotating part 3 comprises a valve clack connecting shaft 301, a valve clack switch 302, a rotating packing gland 303, a rotating packing 304, a driving gear 305 and a driven gear 306, the rotating packing gland 303 is installed in the middle of the valve body 102, the rotating packing 304 is arranged at the bottom of the rotating packing gland 303, one end of the valve clack connecting shaft 301 penetrates through the rotating packing gland 303 and extends into the valve body 102, one end of the valve clack connecting shaft 301 penetrates through the supporting block 502 and the two rotating lifting lugs, the driven gear 306 is arranged in the rotating lifting lug 503, the driving gear 305 is installed on the valve clack connecting shaft 301 and is clamped with the driven gear 306, and the valve clack switch 302 is arranged at the other end of the valve clack connecting shaft 301.
The valve clack switch 302 controls the rotation of the valve clack connecting shaft 301, the rotating packing 304 improves the sealing performance of the valve clack connecting shaft 301 penetrating through the opening of the valve body 102, the rotating packing gland 303 seals and compresses the rotating packing 304, and the driving gear 305 and the driven gear 306 are clamped, so that the valve clack 5 can rotate along with the valve clack connecting shaft 301.
The lower pressing portion 2 comprises a valve handle 201, a valve rod 202, a lower pressing packing gland 203 and a lower pressing packing 204, the valve cover 101 is filled with the lower pressing packing 204, the lower pressing packing gland 203 is arranged on the upper portion of the lower pressing packing 204, the lower pressing packing gland 203 is fixed on the valve cover 101, the lower end of the valve rod 202 penetrates through the middle of the lower pressing packing gland 203 and is connected to the top of the supporting block 502, the middle of the valve rod 202 is in threaded connection with the valve cover 101, and the valve handle 201 is arranged on the top of the valve rod 202.
The valve handle 201 is arranged at the top of the valve rod 202 to provide rotating force for rotating the valve rod 202, the downward pressing packing 204 seals the valve cover 101, the downward pressing packing cover 203 seals and compresses the downward pressing packing 204, and the valve rod 202 is in threaded connection with the valve cover 102, and the valve clack 5 is pressed downward through rotation.
Valve clack draw-in groove 106 is equipped with to valve body 102 inner wall lower part, and rebound portion 4 includes spring 401 and marble 402, and valve clack draw-in groove 106 middle part is equipped with spring 401, and the spring 401 lower extreme is fixed in valve clack draw-in groove 106, and marble 402 is fixed on the spring top.
After the valve clack 5 is pushed down by the pushing-down part 2, the valve clack is connected in the valve clack clamping groove 106 in a clamping mode, the flowing-through part 6 is separated, and after the external force of the pushing-down part 2 is removed, the spring 401 pushes the marble 402 to push up the valve clack.
Advantages of the second embodiment over the first embodiment:
the work efficiency and the performance of this check valve have been improved, have increaseed the job stabilization nature and the leakproofness of this check valve, have improved the multifunctionality of this check valve, have reduced the fault frequency of this check valve, have prolonged the life of this check valve.
The use method of the check valve comprises the following steps:
the circulation part 6 is communicated with an external pipeline, when the function of a check valve is needed, the driving gear 305 is separated from the driven gear 306, and the valve clack 5 has the same function as a common check valve and can be flushed by pipeline fluid; when the check valve needs to be opened to enable fluid in the pipeline to flow reversely, the valve clack connecting shaft 301 is pushed inwards, the driving gear 305 and the driven gear 306 are meshed, the valve clack 5 is opened by rotating the valve clack connecting shaft 301, and the function of enabling the fluid in the pipeline to flow reversely is achieved; when the function of the stop valve needs to be realized, the valve clack connecting shaft 301 needs to be pushed inwards firstly, the driving gear 305 is meshed with the driven gear 306, the valve clack 5 is closed by rotating the valve clack connecting shaft 301, the valve clack 5 is pressed downwards into the valve clack clamping groove 106 by rotating the valve handle 201, the function of the stop valve is realized, the valve handle 201 is rotated reversely during recovery, the valve clack 5 is pushed out of the valve clack clamping groove 106 by the spring 401 in the valve clack clamping groove 106, the valve clack connecting shaft 301 is pulled outwards, and the driving gear 305 is separated from the meshed state with the driven gear 306 and is recovered to the check valve state.
In the description of the present invention, it is to be understood that the terms "front end", "rear end", "horizontal", "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art, and it will be appreciated by those skilled in the art that the present invention has been made available to those skilled in the art after the filing date or priority date, and that the present invention may be implemented by those skilled in the art by applying ordinary skill in the art, without departing from the spirit and scope of the present invention. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (5)
1. A stop check valve suitable for high-temperature fluid is characterized in that: comprises a shell part (1), a pressing part (2), a rotating part (3), a rebounding part (4), a valve clack (5) and a circulating part (6), wherein the lower end of the pressing part (2) penetrates through the lower part of the top of the shell part (1) and is connected with the valve clack (5), the pressing part (2) is in sliding threaded connection with the top of the shell part (1), the rotating part (3) is arranged in the middle of the shell part (1), one end of the rotating part (3) penetrates through the shell part (1) and is in rotating clamping connection with the valve clack (5), the rebounding part (4) is arranged at the bottom inside the shell part (1), the valve clack (5) is arranged inside the shell part (1), the circulating part (6) is a passage which is communicated with the bottom of the shell part (1), the valve clack (5) is abutted against one end of the circulating part (6), and the valve clack (5) comprises a valve clack body (501), a supporting block (502) and two rotating parts (503), the valve clack body (501) is of a round cake structure, the supporting block (502) is arranged at the top of the valve clack body (501), and the two rotating lifting lugs (503) are symmetrically arranged at the top of the valve clack body (501).
2. The high-temperature fluid stop check valve as claimed in claim 1, wherein: the outer shell part (1) comprises a valve cover (101), a valve body (102), a lifting lug (103), a sealing gasket (104) and a plurality of bolts (105), the valve cover (101) is arranged at the top of the valve body (102), the sealing gasket (104) is arranged at the joint of the valve cover (101) and the valve body (102), the lifting lug (103) is rotatably connected with the top of the valve cover (101), the bolts (105) are annularly and uniformly distributed on the upper part of the valve cover (101), and the bolts (105) penetrate through the valve cover (101) and are in threaded connection with the top of the valve body (102).
3. The high-temperature fluid stop check valve as claimed in claim 2, wherein: the rotating part (3) comprises a valve clack connecting shaft (301), a valve clack switch (302), a rotating packing gland (303), rotating packing (304), a driving gear (305) and a driven gear (306), the rotating packing gland (303) is installed in the middle of the valve body (102), the rotating packing (304) is arranged at the bottom of the rotating packing gland (303), one end of the valve clack connecting shaft (301) penetrates through the rotating packing gland (303) and extends into the valve body (102), one end of the valve clack connecting shaft (301) penetrates through a supporting block (502) and two rotating lifting lugs, the driven gear (306) is arranged in the rotating packing gland (303), the driving gear lifting lug (305) is installed on the valve clack connecting shaft (301) and is clamped with the driven gear (306), and the valve clack switch (302) is arranged at the other end of the valve clack connecting shaft (301).
4. The high-temperature fluid stop check valve as claimed in claim 3, wherein: the lower pressing portion (2) comprises a valve handle (201), a valve rod (202), a lower pressing packing gland (203) and a lower pressing packing (204), the valve cover (101) is filled with the lower pressing packing (204), the lower pressing packing gland (203) is arranged on the upper portion of the lower pressing packing (204), the lower pressing packing gland (203) is fixed on the valve cover (101), the lower end of the valve rod (202) penetrates through the middle of the lower pressing packing gland (203) to be connected to the top of the supporting block (502), the middle of the valve rod (202) is in threaded connection with the valve cover (101), and the valve handle (201) is arranged on the top of the valve rod (202).
5. The high-temperature fluid stop check valve as claimed in claim 4, wherein: valve clack draw-in groove (106) are equipped with to valve body (102) inner wall lower part, rebound portion (4) are including spring (401) and marble (402), valve clack draw-in groove (106) middle part is equipped with spring (401), spring (401) lower extreme is fixed in valve clack draw-in groove (106), marble (402) are fixed on the spring top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023298948.XU CN216743014U (en) | 2020-12-31 | 2020-12-31 | Stop check valve suitable for high-temperature fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023298948.XU CN216743014U (en) | 2020-12-31 | 2020-12-31 | Stop check valve suitable for high-temperature fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216743014U true CN216743014U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023298948.XU Active CN216743014U (en) | 2020-12-31 | 2020-12-31 | Stop check valve suitable for high-temperature fluid |
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| Country | Link |
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| CN (1) | CN216743014U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728172A (en) * | 2020-12-31 | 2021-04-30 | 青海中控太阳能发电有限公司 | High-temperature fluid is with can ending check valve and valve clack processing equipment thereof |
-
2020
- 2020-12-31 CN CN202023298948.XU patent/CN216743014U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728172A (en) * | 2020-12-31 | 2021-04-30 | 青海中控太阳能发电有限公司 | High-temperature fluid is with can ending check valve and valve clack processing equipment thereof |
| CN112728172B (en) * | 2020-12-31 | 2023-01-10 | 青海中控太阳能发电有限公司 | High-temperature fluid is with can ending check valve and valve clack processing equipment thereof |
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