CN215109792U - Hydraulic cylinder with adjustable output flow - Google Patents
Hydraulic cylinder with adjustable output flow Download PDFInfo
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- CN215109792U CN215109792U CN202120860458.XU CN202120860458U CN215109792U CN 215109792 U CN215109792 U CN 215109792U CN 202120860458 U CN202120860458 U CN 202120860458U CN 215109792 U CN215109792 U CN 215109792U
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- 238000007789 sealing Methods 0.000 claims abstract description 33
- 238000003466 welding Methods 0.000 claims abstract description 12
- 230000006978 adaptation Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a pneumatic cylinder with adjustable output flow size, the power distribution cylinder comprises a cylinder body, cylinder body one end horizontal slip is inserted and is equipped with the piston rod, and piston rod one end extends to the inside cover of cylinder body and establishes and be fixed with the sealing ring, perpendicular threaded fixation has into oil pipe in the oil inlet, and goes out the interior perpendicular threaded connection of oil pipe, it has same connecting pipe with advance the horizontal welding before oil pipe is close to both sides relatively, advance the inside lower extreme level of oil pipe and be equipped with sealed dish, it has the through-hole to advance oil pipe one side outer wall upper portion to be located connecting pipe position department, be equipped with the pressure release subassembly that switches on and seal the through-hole between mounting disc and the through-hole. The utility model discloses, simple structure, flow control is convenient, utilizes chucking mechanism chucking connecting axle after adjusting to chucking sealed dish position avoids it to receive the oil feed flow to influence the horizontal hunting, makes the oil feed pipe end realize real flow change, has invariable pneumatic cylinder internal pressure simultaneously.
Description
Technical Field
The utility model relates to a hydraulic cylinder technical field especially relates to a pneumatic cylinder with adjustable output flow size.
Background
The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and does linear reciprocating motion (or swinging motion), has simple structure and reliable work, can omit a speed reducer when the hydraulic actuating element is used for realizing reciprocating motion, has no transmission clearance, and moves stably, so the hydraulic actuating element is widely applied to hydraulic systems of various machines, the output force of the hydraulic cylinder is in direct proportion to the effective area of a piston and the pressure difference between the two sides of the effective area of the piston, the hydraulic cylinder basically comprises a cylinder barrel, a cylinder cover, the piston, a piston rod, a sealing device, a buffer device and an exhaust device, the hydraulic cylinder usually has certain abrasion on the cylinder head end after the telescopic operation of the piston rod in long time, and the cylinder head needs to be replaced to prevent oil leakage at the connection part of the cylinder head and influence the use of the hydraulic cylinder.
However, most of the existing small hydraulic cylinders are not provided with a flow regulating mechanism, and the effect cannot be achieved when certain specific working requirements are met, so that the hydraulic cylinder with the adjustable output flow is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a hydraulic cylinder with adjustable output flow.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a hydraulic cylinder with adjustable output flow comprises a cylinder body, wherein a piston rod is horizontally inserted into one end of the cylinder body in a sliding manner, a sealing ring is sleeved and fixed on one end of the piston rod, an oil inlet and an oil outlet are respectively formed in two ends of one side of the cylinder body, an oil inlet pipe is fixed in the oil inlet through a vertical thread, an oil outlet pipe is connected in the oil outlet through a vertical thread, the same connecting pipe is horizontally welded before the oil outlet pipe and the oil inlet pipe are relatively close to two sides, two ends of the connecting pipe are respectively communicated with the inside of the oil inlet pipe and the inside of the oil outlet pipe, a sealing disc is horizontally arranged at the lower end inside the oil inlet pipe, a mandrel is horizontally inserted through the outer walls of two sides of the sealing disc, two ends of the mandrel are respectively and rotatably connected to the inner walls of two sides of the oil inlet pipe, a connecting shaft is horizontally sleeved on the outer wall of one side of the mandrel, and an adjusting clamping assembly is arranged at the end, far away from the oil inlet pipe, of the connecting shaft, the oil inlet pipe is characterized in that the upper portion of the outer wall of one side of the oil inlet pipe is located at the position of the connecting pipe and is provided with a through hole, the lower portion of the inner wall of the connecting pipe is close to the position of the through hole and is vertically welded with a connecting block, the upper end of the connecting block is vertically welded with an installation disc, and a pressure relief assembly which is communicated with and seals the through hole is arranged between the installation disc and the through hole.
Preferably, the upper ends of the inner walls of the oil inlet pipe and the oil outlet pipe are both provided with threaded openings.
Preferably, the pressure release subassembly includes the mounting disc is close to through-hole one side horizontal welding's sleeve, and the sleeve is kept away from mounting disc one end horizontal slip and is inserted and be equipped with the spliced pole, the spliced pole is kept away from sleeve one end horizontal welding and is had the sealed head of toper, and the sealed head of toper and through-hole looks adaptation, the spliced pole is kept away from the sealed head one end of cylindricality and is extended to the inside one end welding of sleeve and has the spacing dish of second, and the level is equipped with the second spring between the spacing dish of second and sleeve one side inner wall.
Preferably, adjust chucking subassembly and include cylinder body upper portion is close to into oil pipe position department vertical welded riser, and opens on riser upper portion one side has the round through-hole, the connecting axle is kept away from into oil pipe one end horizontal slip and is inserted and be equipped with the rectangle strip, and the rectangle strip is kept away from connecting axle one end and is passed round through-hole horizontal welding and have the tooth post, it has the ring gear to open along its one turn in the round through-hole, and tooth post and ring gear looks adaptation, rectangle strip one end extends to connecting axle internal weld and has first spacing dish, and lies in on the rectangle strip and overlap between first spacing dish and connecting axle one side inner wall and be equipped with first spring, the tooth post is kept away from rectangle strip one end welding and is had T shape pole.
Preferably, adjust the chucking subassembly and include cylinder body upper portion is close to the perpendicular welded riser of oil pipe position department, and opens on one side of riser upper portion has the round through-hole, the connecting axle is kept away from oil pipe one end level and is inserted and establish and be fixed with the tooth post, and the tooth post passes the round through-hole, riser upper portion is inserted perpendicularly and is equipped with the card needle, and the card needle lower extreme extends to in the round through-hole, the card needle is located the interior horizontal cover of one end of round through-hole and is established and be fixed with the spacing ring, and lies in the spacing ring on the card needle and overlap and be equipped with the second spring between the inner wall of round through-hole one side, card needle and tooth post looks adaptation, the tooth post is kept away from connecting axle one end welding and is had T shape pole.
The utility model has the advantages that:
1. through the oil pipe that advances of the perpendicular threaded connection in oil inlet upper end to and advance the sealed dish that the oil pipe internal rotation set up, the outside regulation chucking subassembly with sealed dish mandrel connection of cooperation, make operating personnel only need adjust external connection axle can realize changing into the inside oil feed volume of oil pipe, simple structure, it is convenient to adjust, utilizes chucking mechanism chucking connecting axle after adjusting, thereby the sealed dish position of chucking avoids it to receive the oil feed flow influence horizontal hunting.
2. Through the oil pipe that sets up equally in oil-out upper end, will advance the oil pipe again and go out the trip and manage between the connecting tube the same connection, be close to the connecting tube again and advance oil pipe one end and set up the pressure release subassembly for adjust sealed dish in the oil pipe and change the oil feed pressure after, the pressure release subassembly is opened, makes the oil under the high pressure get into the connecting tube, again along with oil pipe one end oil out, the hydraulic pump that flows back, make the oil feed pipe end realize real flow variation, the while is invariable pneumatic cylinder internal pressure.
Drawings
Fig. 1 is a schematic perspective view of a hydraulic cylinder with adjustable output flow rate according to the present invention;
FIG. 2 is a schematic diagram of a cross-sectional plan view of an oil inlet pipe of a hydraulic cylinder with adjustable output flow rate according to the present invention;
fig. 3 is a schematic plan sectional view of a pressure relief assembly of a hydraulic cylinder with adjustable output flow rate according to the present invention;
fig. 4 is an enlarged structural schematic view of an embodiment 1 of a hydraulic cylinder with adjustable output flow rate provided by the present invention;
fig. 5 is a schematic plan sectional view of an embodiment 1 of a hydraulic cylinder with adjustable output flow rate according to the present invention;
fig. 6 is an enlarged schematic structural view of an embodiment 2 of a hydraulic cylinder with adjustable output flow rate according to the present invention;
fig. 7 is a schematic view of an orthographic view of an embodiment 2 of the hydraulic cylinder with adjustable output flow.
In the figure: 1 cylinder body, 2 piston rods, 3 oil inlet pipes, 4 oil outlet pipes, 5 connecting pipes, 6 vertical plates, 7 sealing discs, 8 mandrels, 9 connecting shafts, 10 rectangular bars, 11 tooth columns, 12T-shaped rods, 13 first springs, 14 first limiting discs, 15 gear rings, 16 connecting blocks, 17 mounting discs, 18 sleeves, 19 conical sealing heads, 20 through holes, 21 ejector pins, 22 second springs, 23 connecting columns, 24 third springs and 25 second limiting discs.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example 1
Referring to fig. 1-5, a hydraulic cylinder with adjustable output flow comprises a cylinder body 1, a piston rod 2 is horizontally inserted into one end of the cylinder body 1 in a sliding manner, a sealing ring is sleeved and fixed on one end of the piston rod 2 extending into the cylinder body 1, an oil inlet and an oil outlet are respectively arranged at two ends of one side of the cylinder body 1, an oil inlet pipe 3 is fixed in the oil inlet through a vertical thread, an oil outlet pipe 4 is connected in the oil outlet through a vertical thread, a connecting pipe 5 is horizontally welded before the oil outlet pipe 4 and the oil inlet pipe 3 are relatively close to two sides, two ends of the connecting pipe 5 are respectively communicated with the oil inlet pipe 3 and the inside of the oil outlet pipe 4, a sealing disc 7 is horizontally arranged at the lower end of the inside of the oil inlet pipe 3, a mandrel 8 is horizontally inserted through the outer walls of the two sides of the sealing disc 7, two ends of the mandrel 8 are respectively rotatably connected to the inner walls of the two sides of the oil inlet pipe 3, a connecting shaft 9 is horizontally sleeved on one side of the outer wall of the mandrel 8 passing through the oil inlet pipe 3, the connecting shaft 9 is far away from 3 one ends of oil inlet pipe and is equipped with the regulation chucking subassembly, and the department that 3 one side outer wall upper portion of oil inlet pipe is located connecting pipe 5 position opens has through-hole 20, and connecting pipe 5 inner wall lower part is close to through-hole 20 position department and has vertically welded connecting block 16, and the vertical welding of connecting block 16 upper end has mounting disc 17, and is equipped with the pressure release subassembly that switches on and seal through-hole 20 between mounting disc 17 and the through-hole 20.
In the utility model, the upper ends of the inner walls of the oil inlet pipe 3 and the oil outlet pipe 4 are both provided with screw thread openings, the pressure relief assembly comprises a sleeve 18 which is horizontally welded at one side of a mounting disc 17 close to a through hole 20, a connecting column 23 is inserted at one end of the sleeve 18 far away from the mounting disc 17 in a horizontal sliding manner, a conical sealing head 19 is horizontally welded at one end of the connecting column 23 far away from the sleeve 18, the conical sealing head 19 is matched with the through hole 20, one end of the connecting column 23 far away from the cylindrical sealing head 19 extends to the inside of the sleeve 18, a second limiting disc 25 is welded at one end, a second spring 24 is horizontally arranged between the second limiting disc 25 and the inner wall at one side of the sleeve 18, the adjusting and clamping assembly comprises a vertical plate 6 which is vertically welded at the upper part of a cylinder body 1 close to the position of the oil inlet pipe 3, a round through hole is arranged at one side of the upper part of the vertical plate 6, a rectangular bar 10 is inserted into the connecting shaft 9 in a horizontal sliding manner, and a tooth post 11 is welded at one end of the rectangular bar 10 far away from the connecting shaft 9, a gear ring 15 is arranged in the circular through hole along one circle of the circular through hole, the gear column 11 is matched with the gear ring 15, one end of the rectangular strip 10 extends to the inside of the connecting shaft 9 and is welded with a first limiting disc 14, a first spring 13 is sleeved between the first limiting disc 14 and the inner wall of one side of the connecting shaft 9 on the rectangular strip 10, and one end, away from the rectangular strip 10, of the gear column 11 is welded with a T-shaped rod 12.
The working principle of the embodiment is as follows: when the hydraulic cylinder is used, output flow is adjusted as required, only the toothed column 11 needs to be pulled out and rotated for a certain angle, the rectangular strip 10 drives the connecting shaft 9 to rotate, the sealing disc 7 inside the oil inlet pipe 3 is driven to rotate and move for a certain angle, oil inlet amount is changed, and then the toothed column 11 and a gear ring 15 in a circular through hole in the upper portion of the vertical plate 6 are pushed to be meshed and clamped, oil inlet impact force is placed to enable the sealing disc 7 to swing left and right, meanwhile, the sealing disc 7 changes to cause oil inlet pressure to be increased after an oil inlet channel is narrowed, at the moment, the conical sealing head 19 in the connecting pipe 5 retracts under the action of oil receiving pressure and opens, redundant oil enters the oil outlet pipe 4 through the connecting pipe 5 and flows back to the hydraulic pump along with the oil outlet pipe 4, and the adjustment of the output flow of the hydraulic cylinder is completed.
Example 2
Referring to fig. 1-3 and 6-7, a hydraulic cylinder with adjustable output flow comprises a cylinder body 1, one end of the cylinder body 1 is horizontally inserted with a piston rod 2 in a sliding manner, one end of the piston rod 2 extends into the cylinder body 1 and is sleeved with a sealing ring, two ends of one side of the cylinder body 1 are respectively provided with an oil inlet and an oil outlet, an oil inlet pipe 3 is fixed in the oil inlet through vertical threads, an oil outlet pipe 4 is connected in the oil outlet through vertical threads, a connecting pipe 5 is horizontally welded before the oil outlet pipe 4 and the oil inlet pipe 3 are relatively close to two sides, two ends of the connecting pipe 5 are respectively communicated with the oil inlet pipe 3 and the inside of the oil outlet pipe 4, a sealing disc 7 is horizontally arranged at the lower end of the inside of the oil inlet pipe 3, a mandrel 8 is horizontally inserted through the outer walls of the two sides of the sealing disc 7, two ends of the mandrel 8 are respectively rotatably connected to the inner walls of the two sides of the oil inlet pipe 3, a connecting shaft 9 is horizontally sleeved on one side of the mandrel 8 which penetrates through the outer wall of the oil inlet pipe 3, the connecting shaft 9 is far away from 3 one ends of oil inlet pipe and is equipped with the regulation chucking subassembly, and the department that 3 one side outer wall upper portion of oil inlet pipe is located connecting pipe 5 position opens has through-hole 20, and connecting pipe 5 inner wall lower part is close to through-hole 20 position department and has vertically welded connecting block 16, and the vertical welding of connecting block 16 upper end has mounting disc 17, and is equipped with the pressure release subassembly that switches on and seal through-hole 20 between mounting disc 17 and the through-hole 20.
In the utility model, the upper ends of the inner walls of the oil inlet pipe 3 and the oil outlet pipe 4 are both provided with threaded openings, the pressure relief assembly comprises a sleeve 18 which is horizontally welded at one side of a mounting disc 17 close to a through hole 20, a connecting column 23 is inserted at one end of the sleeve 18 far away from the mounting disc 17 in a horizontal sliding manner, a conical sealing head 19 is horizontally welded at one end of the connecting column 23 far away from the sleeve 18, the conical sealing head 19 is matched with the through hole 20, one end of the connecting column 23 far away from the cylindrical sealing head 19 extends to the inside of the sleeve 18, a second limiting disc 25 is welded at one end, a second spring 24 is horizontally arranged between the second limiting disc 25 and the inner wall at one side of the sleeve 18, the adjusting and clamping assembly comprises a vertical plate 6 which is vertically welded at the upper part of a cylinder body 1 close to the position of the oil inlet pipe 3, a round through hole is arranged at one side of the upper part of the vertical plate 6, a connecting shaft 9 far away from the oil inlet pipe 3 is horizontally inserted and fixed with a tooth column 11, the tooth column 11 passes through the round through hole, a clamping needle 21 is vertically inserted at the upper part of the vertical plate 6, and the lower extreme of card needle 21 extends to in the circular through-hole, and the card needle lies in the downthehole one end level cover of circular through-hole and establishes and be fixed with the spacing ring, and lies in the spacing ring on the card needle 21 and overlap and be equipped with second spring 22 between circular through-hole one side inner wall, card needle 21 and tooth post 11 looks adaptation, and tooth post 11 keeps away from connecting axle 9 one end welding has T shape pole 12.
The working principle of the embodiment is as follows: when the hydraulic cylinder is used, if output flow needs to be regulated, only the clamping needle 21 at the upper end of the vertical plate 6 needs to be pulled out, the lower end of the clamping needle is separated from the toothed column 11, the toothed column 11 is released to rotate freely, the rotary toothed column 11 rotates and moves an angle, the connecting shaft 9 is driven to rotate through the rectangular strip 10, the rotary moving angle of the sealing disc 7 inside the oil inlet pipe 3 is driven, the change of oil inlet amount is realized, the clamping needle 21 is further loosened, the lower end of the clamping needle is meshed with teeth on the surface of the toothed column 11 to clamp the position, oil inlet impact force is placed to enable the sealing disc 7 to swing left and right, meanwhile, the oil inlet pressure is increased after the sealing disc 7 changes the narrowing of an oil inlet channel, at the moment, the oil receiving pressure action of the conical sealing head 19 in the connecting pipe 5 is retracted and opened, redundant oil enters the oil outlet pipe 4 through the connecting pipe 5 and flows back to the hydraulic pump along with the oil outlet pipe 4, and the regulation of the output flow of the hydraulic cylinder is completed
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The hydraulic cylinder with the adjustable output flow comprises a cylinder body (1) and is characterized in that one end of the cylinder body (1) is horizontally inserted with a piston rod (2), one end of the piston rod (2) extends to the inside of the cylinder body (1) and is sleeved with a sealing ring, an oil inlet and an oil outlet are respectively formed in two ends of one side of the cylinder body (1), an oil inlet pipe (3) is fixed in the oil inlet through vertical threads, an oil outlet pipe (4) is connected in the oil outlet through vertical threads, a connecting pipe (5) is horizontally welded before the oil outlet pipe (4) and the oil inlet pipe (3) are relatively close to two sides, two ends of the connecting pipe (5) are respectively communicated with the inside of the oil inlet pipe (3) and the inside of the oil outlet pipe (4), a sealing disc (7) is horizontally arranged at the lower end of the inside of the oil inlet pipe (3), and a mandrel (8) is horizontally inserted in the sealing disc (7) through outer walls of two sides, dabber (8) both ends rotate respectively to be connected in advancing oil pipe (3) both sides inner wall, dabber (8) one end is passed into oil pipe (3) one side outer wall level cover and is equipped with connecting axle (9), connecting axle (9) are kept away from into oil pipe (3) one end and are equipped with the regulation chucking subassembly, it has through-hole (20) to advance oil pipe (3) one side outer wall upper portion to be located connecting pipe (5) position department, connecting pipe (5) inner wall lower part is close to through-hole (20) position department vertical welding and has connecting block (16), vertical welding has mounting disc (17) in connecting block (16) upper end, and is equipped with the pressure release subassembly that switches on and seal through-hole (20) between mounting disc (17) and through-hole (20).
2. The hydraulic cylinder with the adjustable output flow according to claim 1, wherein the upper ends of the inner walls of the oil inlet pipe (3) and the oil outlet pipe (4) are provided with threaded openings.
3. The hydraulic cylinder with the adjustable output flow is characterized in that the pressure relief assembly comprises a sleeve (18) which is horizontally welded on one side, close to the through hole (20), of the mounting disc (17), a connecting column (23) is horizontally inserted into one end, far away from the mounting disc (17), of the sleeve (18), the connecting column (23) is horizontally welded on one end, far away from the sleeve (18), of the connecting column (23), a conical sealing head (19) is welded on the end, far away from the cylindrical sealing head (19), of the connecting column (23), the connecting column (23) is matched with the through hole (20), one end, far away from the cylindrical sealing head (19), extends into one end inside the sleeve (18), is welded with a second limiting disc (25), and a second spring (24) is horizontally arranged between the second limiting disc (25) and the inner wall on one side of the sleeve (18).
4. The hydraulic cylinder with the adjustable output flow according to claim 1, wherein the adjusting and clamping assembly comprises a vertical plate (6) vertically welded at a position, close to the oil inlet pipe (3), of the upper portion of the cylinder body (1), a round through hole is formed in one side of the upper portion of the vertical plate (6), a rectangular bar (10) is horizontally inserted into one end, away from the oil inlet pipe (3), of the connecting shaft (9) in a sliding mode, a tooth column (11) penetrates through the round through hole and is horizontally welded at one end, away from the connecting shaft (9), of the rectangular bar (10), a gear ring (15) is formed in the round through hole along one circle of the round through hole, the tooth column (11) is matched with the gear ring (15), a first limiting disc (14) is welded inside the connecting shaft (9) in a mode that one end of the rectangular bar (10) extends to the inner side of the connecting shaft (9), and a first spring (13) is sleeved on the rectangular bar (10) and located between the first limiting disc (14) and the inner wall of one side of the connecting shaft (9), one end of the tooth column (11) far away from the rectangular strip (10) is welded with a T-shaped rod (12).
5. The hydraulic cylinder of claim 1, wherein the output flow rate is adjustable in magnitude, the adjusting and clamping assembly comprises a vertical plate (6) which is vertically welded at the position of the upper part of the cylinder body (1) close to the oil inlet pipe (3), and one side of the upper part of the vertical plate (6) is provided with a round through hole, one end of the connecting shaft (9) far away from the oil inlet pipe (3) is horizontally inserted and fixed with a tooth column (11), the tooth column (11) passes through the round through hole, the upper part of the vertical plate (6) is vertically inserted with a clamping needle (21), the lower end of the clamping needle (21) extends into the circular through hole, a limiting ring is horizontally sleeved and fixed at one end of the clamping needle positioned in the circular through hole, and a second spring (22) is sleeved on the clamping needle (21) between the inner walls of the limiting rings at one side of the circular through hole, the clamp needle (21) is matched with the tooth column (11), and one end, far away from the connecting shaft (9), of the tooth column (11) is welded with a T-shaped rod (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120860458.XU CN215109792U (en) | 2021-04-25 | 2021-04-25 | Hydraulic cylinder with adjustable output flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120860458.XU CN215109792U (en) | 2021-04-25 | 2021-04-25 | Hydraulic cylinder with adjustable output flow |
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| Publication Number | Publication Date |
|---|---|
| CN215109792U true CN215109792U (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120860458.XU Expired - Fee Related CN215109792U (en) | 2021-04-25 | 2021-04-25 | Hydraulic cylinder with adjustable output flow |
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| Country | Link |
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| CN (1) | CN215109792U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439799A (en) * | 2021-12-21 | 2022-05-06 | 四川大唐国际甘孜水电开发有限公司 | Hydraulic valve block oil inlet flow adjusting device based on inland hydropower station |
-
2021
- 2021-04-25 CN CN202120860458.XU patent/CN215109792U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439799A (en) * | 2021-12-21 | 2022-05-06 | 四川大唐国际甘孜水电开发有限公司 | Hydraulic valve block oil inlet flow adjusting device based on inland hydropower station |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211210 |