CN215830835U - Hydraulic oil circuit shunt valve block - Google Patents
Hydraulic oil circuit shunt valve block Download PDFInfo
- Publication number
- CN215830835U CN215830835U CN202121770953.8U CN202121770953U CN215830835U CN 215830835 U CN215830835 U CN 215830835U CN 202121770953 U CN202121770953 U CN 202121770953U CN 215830835 U CN215830835 U CN 215830835U
- Authority
- CN
- China
- Prior art keywords
- valve block
- threaded
- block body
- ring
- screw
- 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.)
- Active
Links
Images
Landscapes
- Multiple-Way Valves (AREA)
Abstract
The utility model belongs to the field of hydraulic oil paths, and particularly relates to a hydraulic oil path diverter valve block which comprises a diverter valve block body and an additional installation mechanism; an additional installation mechanism is arranged at one end of the diverter valve block body, an oil inlet is formed in the other end of the diverter valve block body, and a plurality of diverter ports are formed in the side face of the diverter valve block body; the additional assembly mechanism comprises an additional assembly valve block, a threaded pipe and a threaded sealing plug; one end of the flow distribution valve block body is provided with a first threaded hole, one end of the additional valve block is fixedly connected with a threaded pipe, the outer ring of the threaded pipe is in threaded fit with the first threaded hole, the other end of the additional valve block is provided with a second threaded hole, the inner ring of the second threaded hole is in threaded mounting with a threaded sealing plug, and the side surface of the additional valve block is provided with a flow distribution port; the number of the flow dividing ports of the flow dividing valve block body is increased, the working efficiency of workers is improved, and the probability of leakage of the flow dividing valve block body due to disassembly is reduced.
Description
Technical Field
The utility model relates to the field of hydraulic oil paths, in particular to a hydraulic oil path flow dividing valve block.
Background
The flow dividing valve block is mainly applied to a hydraulic system and mainly used for enabling the same oil source in the hydraulic system to supply flow to more than two actuating elements so as to keep the speeds of the two actuating elements in a synchronous or proportional relation.
When the actuating elements are increased or decreased in the hydraulic system, the corresponding shunt valve block needs to be replaced, so that the working difficulty of workers is increased, and the sealing performance of the shunt valve block is reduced by frequently replacing the shunt valve block; therefore, a hydraulic oil path flow dividing valve block is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
In order to make up for the defects of the prior art and solve the problems that when an execution element is increased or reduced in a hydraulic system, a corresponding shunt valve block needs to be replaced, the working difficulty of workers is increased, and the sealing performance of the shunt valve block is reduced by frequently replacing the shunt valve block, the utility model provides the shunt valve block for the hydraulic oil circuit.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a hydraulic oil circuit diverter valve block, which comprises a diverter valve block body and an additional installation mechanism; an additional installation mechanism is arranged at one end of the diverter valve block body, an oil inlet is formed in the other end of the diverter valve block body, and a plurality of diverter ports are formed in the side face of the diverter valve block body;
the additional assembly mechanism comprises an additional assembly valve block, a threaded pipe and a threaded sealing plug; one end of the flow distribution valve block body is provided with a first threaded hole, one end of the additional valve block is fixedly connected with a threaded pipe, the outer ring of the threaded pipe is in threaded fit with the first threaded hole, the other end of the additional valve block is provided with a second threaded hole, the inner ring of the second threaded hole is in threaded mounting with a threaded sealing plug, and the side surface of the additional valve block is provided with a flow distribution port; the number of the flow dividing ports of the flow dividing valve block body is increased, so that the situation that a worker replaces the corresponding flow dividing valve block due to the fact that an execution element in a hydraulic system is added is avoided, the working efficiency of the worker is improved, and the probability of leakage of the flow dividing valve block body due to disassembly is reduced.
Preferably, the thread of the first threaded hole is arranged on one side close to the opening, the thread of the threaded pipe is arranged on one side close to the valve block, a plurality of annular grooves are formed in one side, away from the valve block, of the outer ring of the threaded pipe, a sealing ring is arranged inside each annular groove, and the outer ring of each sealing ring is in sliding fit with the inner ring of the first threaded hole; through the sealing ring, the sealing performance between the threaded pipe and the first threaded hole is improved.
Preferably, a chute is formed in the end, far away from the valve block, of the threaded pipe, a plurality of baffles are annularly and fixedly connected to one side, close to the diverter valve block body, of the chute, an air bag is arranged in the chute, a sliding plate is arranged on one side, close to the diverter valve block body, of the air bag, a cavity is formed in the sealing ring, the air bag is connected with a sealing ring pipeline, the side wall of the sliding plate is in sliding fit with the side wall of the chute, a plurality of push posts are fixedly connected to one side, close to the diverter valve block body, of the sliding plate, the push posts and the baffles are alternately distributed, the side wall of each push post is in sliding fit with the side wall of each baffle, a compression ring is fixedly connected to one end, close to the chute, of each compression ring is fixedly connected to one end of a plurality of springs, and the other end of each spring is fixedly connected to each baffle; the sealing performance between the threaded pipe and the first threaded hole is further improved.
Preferably, an inner ring and an outer ring of the threaded pipe, which are far away from one end of the valve block to be additionally installed, are fixedly connected with one end of a sealing ring sleeve, the other end of the sealing ring sleeve is fixedly connected with the inner ring and the outer ring of the pressing ring, and the sealing ring sleeve is a corrugated sealing sleeve made of rubber; the influence of the hydraulic oil on the compression of the air bag is avoided.
Preferably, the thread of the second threaded hole is arranged on one side close to the opening, the thread of the threaded sealing plug is arranged on one side close to the nut, a plurality of sealing rings are arranged on the outer ring of the screw rod end of the threaded sealing plug, and the outer ring of each sealing ring is in sliding fit with the inner ring of the second threaded hole; seal the second screw hole, the staff of being convenient for simultaneously expands the diverter valve block body.
Preferably, the top surface and the bottom surface of the valve block are fixedly connected with a swivel base, the middle part of the swivel base is provided with a third threaded hole, an inserting plate is slidably mounted on the outer ring of the swivel base, a locking bolt is mounted on the inner ring thread of the third threaded hole, a gasket is slidably mounted on the outer ring of a screw rod of the locking bolt, the top surface and the bottom surface of the diverter valve block body are fixedly connected with a U-shaped socket, the inner ring of a socket of the U-shaped socket is in sliding fit with the outer ring of an inserting rod of the inserting plate, the top surface and the bottom surface of the diverter valve block body are provided with fourth threaded holes, a fixing bolt is mounted on the inner ring thread of the fourth threaded hole, the inner ring of the screw rod of the fixing bolt is in sliding fit with the inner ring of a notch of the inserting plate, and the gasket is slidably mounted on the outer ring of the screw rod of the fixing bolt; the integral connection strength of the valve block and the shunt valve block body is further improved.
The utility model has the advantages that:
1. through the threaded fit of the threaded pipe and the first threaded hole, the pressing ring is simultaneously pushed to contact the inner wall of the first threaded hole, the push column is pushed to slide towards the sliding groove, so that the air bag is compressed to press the gas in the air bag into the cavity in the sealing ring, the sealing ring is expanded, the sealing performance between the threaded pipe and the first threaded hole is improved, the additional valve block is installed on the diverter valve block body, the number of the diverter ports of the diverter valve block body is increased, the situation that a worker replaces a corresponding diverter valve block by adding an execution element in a hydraulic system is avoided, the working efficiency of the worker is improved, and the probability of leakage of the diverter valve block body due to disassembly is reduced;
2. the plug board is inserted into the socket of the U-shaped socket, the locking bolt and the fixing bolt are locked, and the overall connection strength of the valve block and the shunt valve block body is further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic overall structure diagram of the first embodiment;
FIG. 2 is a side sectional view of the first embodiment;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
FIG. 5 is an enlarged view of a portion of FIG. 2 at C;
fig. 6 is a partial cross-sectional enlarged view of the insert plate of the second embodiment.
In the figure: 1. a diverter valve block body; 2. additionally installing a valve block; 3. a threaded pipe; 4. a threaded sealing plug; 5. a first threaded hole; 6. a second threaded hole; 7. a ring groove; 8. a seal ring; 9. a baffle plate; 10. an air bag; 11. a slide plate; 12. pushing the column; 13. pressing a ring; 14. a spring; 15. sealing the ring sleeve; 16. rotating; 17. a third threaded hole; 18. inserting plates; 19. locking the bolt; 20. a U-shaped socket; 21. a fourth threaded hole; 22. fixing the bolt; 23. a chute; 24. positioning a groove; 25. and a positioning strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-5, a hydraulic oil path diverter valve block includes a diverter valve block body 1 and an additional installation mechanism; an additional installation mechanism is arranged at one end of the diverter valve block body 1, an oil inlet is arranged at the other end of the diverter valve block body 1, and a plurality of diverter ports are formed in the side face of the diverter valve block body 1;
the additional assembly mechanism comprises an additional assembly valve block 2, a threaded pipe 3 and a threaded sealing plug 4; a first threaded hole 5 is formed in one end of the flow distribution valve block body 1, one end of the additional valve block 2 is fixedly connected with a threaded pipe 3, the outer ring of the threaded pipe 3 is in threaded fit with the first threaded hole 5, a second threaded hole 6 is formed in the other end of the additional valve block 2, a threaded sealing plug 4 is installed on the inner ring of the second threaded hole 6 in a threaded mode, and a flow distribution port is formed in the side face of the additional valve block 2; through screwed pipe 3 and 5 screw-thread cooperations of first screw hole, will install on the shunt valve piece body 1 additional valve piece 2, increased the quantity of the reposition of redundant personnel mouth of shunt valve piece body 1 to avoided the staff to change corresponding shunt valve piece because of the executive component who increases among the hydraulic system, then not only improved staff's work efficiency, reduced the probability that shunt valve piece body 1 took place to leak because of dismantling moreover.
The thread of the first threaded hole 5 is arranged on one side close to the opening, the thread of the threaded pipe 3 is arranged on one side close to the valve block 2, one side, far away from the valve block 2, of the outer ring of the threaded pipe 3 is provided with a plurality of annular grooves 7, a sealing ring 8 is arranged inside each annular groove 7, and the outer ring of each sealing ring 8 is in sliding fit with the inner ring of the first threaded hole 5; the sealing performance between the threaded pipe 3 and the first threaded hole 5 is improved by the arranged sealing ring 8.
A chute 23 is arranged in the end of the threaded pipe 3 far away from the additional valve block 2, one side of the chute 23 close to the diverter valve block body 1 is fixedly connected with a plurality of baffles 9 in an annular manner, an air bag 10 is arranged in the chute 23, a sliding plate 11 is arranged on one side of the air bag 10 close to the diverter valve block body 1, a cavity is arranged inside the sealing ring 8, the air bag 10 is connected with the sealing ring 8 through a pipeline, the side wall of the sliding plate 11 is in sliding fit with the side wall of the chute 23, one side of the sliding plate 11 close to the diverter valve block body 1 is fixedly connected with a plurality of push posts 12, the push posts 12 and the baffle 9 are alternately distributed, the side wall of the push column 12 is in sliding fit with the side wall of the baffle 9, one end of the push column 12 close to the diverter valve block body 1 is fixedly connected with a press ring 13, one end of the compression ring 13 close to the sliding chute 23 is fixedly connected with one end of a plurality of springs 14, and the other end of each spring 14 is fixedly connected with the baffle 9; twist in first screw hole 5 through screwed pipe 3, promote the inner wall of clamping ring 13 contact first screw hole 5, promote to push away post 12 and slide to spout 23 for gasbag 10 compresses, impresses the cavity in the sealing ring 8 with the gas in the gasbag 10, makes sealing ring 8 take place the inflation, has further improved the leakproofness between screwed pipe 3 and the first screw hole 5.
The inner ring and the outer ring of one end, far away from the valve block 2, of the threaded pipe 3 are fixedly connected with one end of a sealing ring sleeve 15, the other end of the sealing ring sleeve 15 is fixedly connected with the inner ring and the outer ring of a pressing ring 13, and the sealing ring sleeve 15 is a corrugated sealing sleeve made of rubber; the threaded pipe 3 is connected with the pressing ring 13 in a sealing mode through the arranged sealing ring sleeve 15, hydraulic oil is prevented from entering the sliding groove 23 under the condition that the sliding of the pressing ring 13 is not influenced, and therefore the influence of the hydraulic oil on the compression of the air bag 10 is avoided.
The thread of the second threaded hole 6 is arranged on one side close to the opening, the thread of the threaded sealing plug 4 is arranged on one side close to the nut, a plurality of sealing rings are arranged on the outer ring of the screw rod end of the threaded sealing plug 4, and the outer ring of each sealing ring is in sliding fit with the inner ring of the second threaded hole 6; through the screw-thread fit between the screw-thread sealing plug 4 and the second screw hole 6 and the sealing effect of the sealing ring, the second screw hole 6 is sealed, and meanwhile, the staff is convenient to expand the diverter valve block body 1.
The top surface and the bottom surface of the valve block 2 are fixedly connected with a rotary seat 16, the middle part of the rotary seat 16 is provided with a third threaded hole 17, an inserting plate 18 is slidably mounted on the outer ring of the rotary seat 16, a locking bolt 19 is mounted on the inner ring thread of the third threaded hole 17, a gasket is slidably mounted on the outer ring of a screw rod of the locking bolt 19, a U-shaped socket 20 is fixedly connected on the top surface and the bottom surface of the flow dividing valve block body 1, the inner ring of a socket of the U-shaped socket 20 is in sliding fit with the outer ring of an inserting rod of the inserting plate 18, a fourth threaded hole 21 is formed on the top surface and the bottom surface of the flow dividing valve block body 1, a fixing bolt 22 is mounted on the inner ring thread of the fourth threaded hole 21, the inner ring of the screw rod of the fixing bolt 22 is in sliding fit with the inner ring of a notch of the inserting plate 18, and the gasket is slidably mounted on the outer ring of the screw rod of the fixing bolt 22; the inserting plate 18 is inserted into the inserting opening of the U-shaped socket 20, and the locking bolt 19 and the fixing bolt 22 are locked, so that the integral connecting strength of the additional valve block 2 and the shunt valve block body 1 is further improved.
Example two
Referring to fig. 6, in a first comparative example, as another embodiment of the present invention, positioning grooves 24 are formed in both the top surface and the bottom surface of the additional valve block 2, the positioning grooves 24 are located on the same axis with the third threaded hole 17 and the fourth threaded hole 21, a positioning strip 25 is fixedly connected to the middle of one surface of the inserting plate 18 close to the additional valve block 2, and the side wall of the positioning groove 24 is in sliding fit with the side wall of the positioning strip 25; through the sliding fit between the positioning strip 25 and the positioning groove 24, the worker can quickly and accurately rotate the inserting plate 18 at the accurate position, and the working convenience of the worker is improved.
The working principle is as follows: firstly, inserting a threaded pipe 3 into a first threaded hole 5, rotating an additional valve block 2 to drive the threaded pipe 3 to be in threaded fit with the first threaded hole 5, pushing a pressing ring 13 to contact the inner wall of the first threaded hole 5, pushing a pushing column 12 to slide towards a sliding groove 23, compressing an air bag 10, pressing air in the air bag 10 into a cavity in a sealing ring 8, expanding the sealing ring 8, improving the sealing performance between the threaded pipe 3 and the first threaded hole 5, and installing the additional valve block 2 on a shunt valve block body 1 to enable an inserting plate 18 and a U-shaped socket 20 to be on the same plane;
then, the inserting rod of the inserting plate 18 is inserted into the inserting hole of the U-shaped socket 20, and the locking bolt 19 and the fixing bolt 22 are locked, so that the integral connecting strength of the additional valve block 2 and the shunt valve block body 1 is further improved; screwing the threaded sealing plug 4 into the second threaded hole 6; the number of the flow dividing ports of the flow dividing valve block body 1 is increased, the situation that a worker replaces the corresponding flow dividing valve block due to the fact that an execution element in a hydraulic system is added is avoided, the working efficiency of the worker is improved, and the probability of leakage of the flow dividing valve block body 1 due to disassembly is reduced.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.
Claims (6)
1. The utility model provides a hydraulic circuit diverter valve piece which characterized in that: comprises a diverter valve block body (1) and an additional installation mechanism; an additional installation mechanism is arranged at one end of the diverter valve block body (1), an oil inlet is arranged at the other end of the diverter valve block body (1), and a plurality of diverter ports are formed in the side face of the diverter valve block body (1);
the additional assembly mechanism comprises an additional assembly valve block (2), a threaded pipe (3) and a threaded sealing plug (4); first screw hole (5) are seted up to the one end of reposition of redundant personnel valve block body (1), one end rigid coupling screwed pipe (3) of additional installation valve block (2), the outer lane and first screw hole (5) screw-thread fit of screwed pipe (3), second screw hole (6) are seted up to the other end of additional installation valve block (2), inner circle screw thread installation screw thread sealing plug (4) of second screw hole (6), the side of additional installation valve block (2) is provided with the diffluent mouth.
2. The hydraulic oil circuit diverter valve block of claim 1, wherein: the screw thread of first screw hole (5) is opened in the one side that is close to the open-ended, the screw thread of screwed pipe (3) is seted up in the one side that is close to and is increased dress valve block (2), one side that the valve block (2) was kept away from in the outer lane of screwed pipe (3) is seted up a plurality of annular (7), the inside of annular (7) is provided with sealing ring (8), the outer lane of sealing ring (8) and the inner circle sliding fit of first screw hole (5).
3. The hydraulic oil circuit diverter valve block of claim 2, wherein: the threaded pipe (3) is far away from the end inside of the valve block (2) to be additionally arranged, a chute (23) is formed in the end, the chute (23) is close to a plurality of baffle plates (9) of one side of the shunt valve block body (1) in annular fixed connection, an air bag (10) is arranged in the chute (23), a sliding plate (11) is arranged on one side of the air bag (10) close to the shunt valve block body (1), a cavity is formed in the sealing ring (8), the air bag (10) is connected with a pipeline of the sealing ring (8), the side wall of the sliding plate (11) is in sliding fit with the side wall of the chute (23), the sliding plate (11) is close to a plurality of pushing columns (12) of one side of the shunt valve block body (1) in fixed connection, the pushing columns (12) and the baffle plates (9) are distributed alternately, the side wall of the pushing columns (12) is in sliding fit with the side wall of the baffle plates (9), and the pushing columns (12) are close to one end fixed connection pressing ring (13) of the shunt valve block body (1), one end of the compression ring (13) close to the sliding groove (23) is fixedly connected with one end of a plurality of springs (14), and the other end of each spring (14) is fixedly connected with the baffle (9).
4. The hydraulic oil circuit diverter valve block of claim 3, wherein: the inner ring and the outer ring of one end of the valve block (2) are fixedly connected to one end of a sealing ring sleeve (15) respectively by the aid of the threaded pipe (3), the other end of the sealing ring sleeve (15) is fixedly connected with the inner ring and the outer ring of the pressing ring (13), and the sealing ring sleeve (15) is a corrugated sealing sleeve made of rubber.
5. The hydraulic oil circuit diverter valve block of claim 4, wherein: the screw thread of second screw hole (6) is seted up in the one side that is close to the open-ended, the screw thread of screw sealing plug (4) is seted up in the one side that is close to the nut, the screw rod end outer lane of screw sealing plug (4) is provided with a plurality of sealing rings, the outer lane of sealing ring and the inner circle sliding fit of second screw hole (6).
6. The hydraulic oil circuit diverter valve block of claim 5, wherein: the top surface and the bottom surface of the additional valve block (2) are fixedly connected with a rotary seat (16), the middle part of the rotary seat (16) is provided with a third threaded hole (17), an inserting plate (18) is slidably arranged on the outer ring of the rotary seat (16), a locking bolt (19) is arranged on the inner ring of the third threaded hole (17) in a threaded manner, a gasket is arranged on the outer ring of the screw rod of the locking bolt (19) in a sliding way, the top surface and the bottom surface of the shunt valve block body (1) are fixedly connected with a U-shaped socket (20), the inner ring of the socket of the U-shaped socket (20) is in sliding fit with the outer ring of the inserted bar (18), the top surface and the bottom surface of the diverter valve block body (1) are both provided with fourth threaded holes (21), a fixing bolt (22) is installed on the inner ring thread of the fourth threaded hole (21), the inner ring of the screw of the fixing bolt (22) is in sliding fit with the inner ring of the groove opening of the inserting plate (18), and the outer ring of the screw of the fixing bolt (22) is provided with a gasket in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121770953.8U CN215830835U (en) | 2021-07-30 | 2021-07-30 | Hydraulic oil circuit shunt valve block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121770953.8U CN215830835U (en) | 2021-07-30 | 2021-07-30 | Hydraulic oil circuit shunt valve block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215830835U true CN215830835U (en) | 2022-02-15 |
Family
ID=80193496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121770953.8U Active CN215830835U (en) | 2021-07-30 | 2021-07-30 | Hydraulic oil circuit shunt valve block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215830835U (en) |
-
2021
- 2021-07-30 CN CN202121770953.8U patent/CN215830835U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113685629A (en) | Air cooling duct fast connecting structure for air cooling unit | |
| CN215830835U (en) | Hydraulic oil circuit shunt valve block | |
| CN113483098A (en) | Ring groove high-pressure self-sealing mechanism and liquid flow detection device for injector plate | |
| CN217276730U (en) | Helium leakage detection device for tube head of inner-extension tube heat exchanger | |
| CN207625223U (en) | A kind of cable channel plugging device | |
| CN204025998U (en) | A kind of rapid pipe joint of refrigerant pipe | |
| CN115681642A (en) | Lens pad sealed ultrahigh pressure pipeline | |
| CN210321845U (en) | Segmental orifice plate differential pressure flowmeter | |
| CN2616783Y (en) | Adjustable flange plate | |
| CN209551629U (en) | The mounting tool of Anti-dismantling casing | |
| CN203517075U (en) | Pipeline connecting assembly | |
| CN209444605U (en) | A kind of connection of desulfurization stock pump impeller and sealing structure | |
| CN102494210B (en) | Flange joint | |
| CN207247980U (en) | A kind of heat exchanger high pressure O-ring sealing structure | |
| CN216307009U (en) | Flange for pipeline connection | |
| CN103939447A (en) | Double-seal bolt | |
| CN2258562Y (en) | T-type ultrahigh pressure hydraulic control unloader valve | |
| CN216200534U (en) | Mechanical gas cut-off valve | |
| CN110307422A (en) | A kind of mechanical metal fastener | |
| CN219993981U (en) | Double-sealing chemical pump | |
| CN211344401U (en) | Pipeline expansion joint locking structure for narrow space | |
| CN217272207U (en) | Precision low-pressure one-way valve | |
| CN203857156U (en) | Connection valve | |
| CN219888980U (en) | Concrete conduit coupling assembling | |
| CN210397700U (en) | Differential shell plugging mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Hydraulic oil circuit diverter valve block Effective date of registration: 20220930 Granted publication date: 20220215 Pledgee: Zhejiang Luqiao Taizhou rural commercial bank Limited by Share Ltd. Pledgor: Taizhou Haowei Hydraulic Machinery Co.,Ltd. Registration number: Y2022330002421 |