CN220488368U - Multi-way valve with adjustable feeding speed - Google Patents
Multi-way valve with adjustable feeding speed Download PDFInfo
- Publication number
- CN220488368U CN220488368U CN202321942522.4U CN202321942522U CN220488368U CN 220488368 U CN220488368 U CN 220488368U CN 202321942522 U CN202321942522 U CN 202321942522U CN 220488368 U CN220488368 U CN 220488368U
- Authority
- CN
- China
- Prior art keywords
- valve
- sleeve
- oil inlet
- sealing
- inlet channel
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 63
- 230000001105 regulatory effect Effects 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 35
- 238000009434 installation Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 57
- 230000000903 blocking effect Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
Landscapes
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model relates to the technical field of multi-way valves, in particular to a multi-way valve with an adjustable feeding speed. The multi-way valve with the adjustable feeding speed comprises a valve body, an oil inlet channel and an oil return channel are formed in the valve body, a plurality of bypass holes are uniformly formed in the oil inlet channel and the oil return channel, mounting holes are formed in the valve body and are positioned right below the bypass holes, and process plugs are arranged at one ends of the oil inlet channel and the oil return channel; the reversing valves are arranged in a plurality, and are fixedly arranged on the valve body; the speed regulating assembly is embedded on the valve body and comprises a three-way pipe, a sealing cover, a driving rod and a plugging piece, one end of the three-way pipe is arranged at the other end of the oil inlet channel through threads, and fan-shaped circulating holes are symmetrically formed in one end of the three-way pipe, which is communicated with the oil inlet channel; the conducting piece is used for embedding the conducting piece which is communicated with the oil inlet channel and the oil return channel of the reversing valve into the bypass hole. The multi-way valve provided by the utility model has the advantages of multistage speed regulation and accurate flow shunt control.
Description
Technical Field
The utility model relates to the technical field of multi-way valves, in particular to a multi-way valve with an adjustable feeding speed.
Background
A multiple-way valve is a valve that combines more than two valve blocks to manipulate the movement of multiple actuators. The valve can be combined together according to the requirements of different hydraulic systems, so that the valve has the advantages of compact structure, simple pipeline, small pressure loss and convenient installation, a reliable system solution can be provided for manufacturers of engineering vehicles, different combinations of valve bodies are required by users according to the functional requirements, and the valve is simple and reliable, can be a simple load-sensitive manual multi-way valve, and can be an electric control proportional control valve with an unsaturated function, which is irrelevant to the load and the pump flow.
In the control use of an excavator, when a plurality of actuators act simultaneously (i.e. the large and small arms of the excavator and the front end bucket or the drilling machine work cooperatively), the speed of the actuator with a larger load is reduced or even stopped when the flow of the actuator needs to exceed the oil supply flow of the pump. Therefore, the mechanisms cannot act simultaneously to influence the normal work of the excavator, and the oil supply flow in the multi-way valve needs to be accurately regulated.
Therefore, there is a need to provide a new multi-way valve with adjustable feeding speed to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the multi-way valve with adjustable feeding speed, which is capable of regulating speed in a multi-stage mode and controlling flow in a shunt mode accurately.
The utility model provides a multiway valve with adjustable feeding speed, comprising: the oil inlet channel and the oil return channel are formed in the valve body, a plurality of bypass holes are uniformly formed in the oil inlet channel and the oil return channel, mounting holes are formed in the valve body and located right below the bypass holes, and process plugs are mounted at one ends of the oil inlet channel and the oil return channel;
the reversing valves are arranged in a plurality, and the reversing valves are fixedly arranged on the valve body;
the speed regulating assembly is embedded on the valve body and comprises a three-way pipe, a sealing cover, a driving rod and a plugging piece, one end of the three-way pipe is arranged at the other end of the oil inlet channel in a threaded manner, fan-shaped circulating holes are symmetrically formed in one end of the three-way pipe, which is communicated with the oil inlet channel, the sealing cover is fixedly arranged at the other end of the three-way pipe, the driving rod is rotatably arranged on the sealing cover, and the plugging piece for sealing the circulating holes is arranged at one end of the driving rod, which is inserted into the three-way pipe;
the conducting piece is used for the reversing valve to be communicated with the oil inlet channel and the oil return channel, and is embedded in the bypass hole.
Preferably, the speed regulating assembly further comprises a transmission gear, an electric telescopic rod and a rack plate, wherein the transmission gear is sleeved at one end of the driving rod penetrating through the sealing cover, the electric telescopic rod is fixedly installed on the valve body and located above the transmission gear, the rack plate is fixedly installed at the telescopic end of the electric telescopic rod, and the rack plate is meshed with the transmission gear.
Preferably, the conducting piece comprises a threaded connector, an extension rod and a sealing sleeve, wherein the hollow threaded end of the threaded connector penetrates through the bypass hole to be in threaded connection with the reversing valve, a valve hole communicated with the hollow threaded end is formed in the bottom end of the threaded connector, the extension rod is symmetrically welded at the bottom end of the threaded connector, the sealing sleeve is fixedly mounted in the mounting hole through a screw, a sealing gasket is adhered to the joint surface of the sealing sleeve, and a valve core assembly for adjusting the opening of the valve hole is mounted on the sealing sleeve.
Preferably, the threaded connector is provided with a groove at the bottom end of the hollow threaded end, a sealing ring is embedded in the groove, the outer side wall of the bottom end of the threaded connector is provided with an annular groove, and an O-shaped ring I is embedded in the annular groove.
Preferably, the valve core assembly comprises a valve core sleeve, a valve rod, a transmission block, a fixing plate and a thread bush, wherein the valve rod is slidably mounted on the sealing sleeve, the valve core sleeve is mounted at one end of the valve rod extending into the sealing sleeve, the inner side wall of the valve core sleeve is slidably matched with the outer side wall of one end of the threaded connector provided with a valve hole, the other end of the valve rod is fixedly provided with the transmission block, the transmission block is provided with external threads, the fixing plate is fixedly mounted on the valve body, the fixing plate is positioned right below the transmission block and rotatably mounted with the thread bush, and the thread bush is in threaded connection with the transmission block.
Preferably, the bottom end of the valve core sleeve is provided with a through hole for the two extension rods to pass through, the outer side wall of the valve core sleeve is in sliding fit with the inner side wall of the sealing sleeve, the outer side wall of the bottom end of the valve core sleeve is provided with an annular groove, and the annular groove inner device is provided with an O-shaped ring II.
Preferably, the valve body is embedded with an overflow valve communicated with the oil inlet channel.
Compared with the related art, the multiway valve with adjustable feeding speed has the following beneficial effects:
1. the utility model provides a multi-way valve with adjustable feeding speed, which is characterized in that a speed regulating assembly is arranged in an oil inlet channel of a valve body, and the oil inlet speed of the oil inlet channel can be regulated by utilizing the cooperation of a three-way pipe, a sealing cover, a driving rod, a plugging sheet, a transmission gear, an electric telescopic rod, a rack plate and a flow hole, so that the main flow regulation and control are realized;
2. through set up the case subassembly on the conduction spare that advances oil passage, oil return passage and switching-over valve intercommunication, utilize threaded connection head, sealing washer, O type circle one, extension rod, sealed sleeve, sealed pad, valve opening, case sleeve, O type circle two, valve rod, drive block, fixed plate and the cooperation of screw sleeve, can adjust the liquid velocity of flow that flows into in the single switching-over valve, make its flow control adjust more accurate.
Drawings
FIG. 1 is a schematic diagram of a preferred embodiment of a multi-way valve with adjustable feed rate according to the present utility model;
FIG. 2 is a schematic view of the valve body shown in FIG. 1;
FIG. 3 is a schematic view of a part of the cross-section of the oil feed passage of the valve body shown in FIG. 1;
FIG. 4 is a schematic view of the timing assembly of FIG. 1;
FIG. 5 is a schematic view of an exploded view of the lead-through and valve cartridge assembly of FIG. 1;
fig. 6 is a partial enlarged view of a shown in fig. 3.
Reference numerals in the drawings: 1. a valve body; 11. a process plug; 101. an oil inlet passage; 102. an oil return passage; 103. a bypass hole; 104. a mounting hole; 2. a reversing valve; 3. a speed regulating assembly; 31. a three-way pipe; 32. sealing cover; 33. a driving rod; 34. a blocking piece; 35. a transmission gear; 36. an electric telescopic rod; 37. rack plate; 301. a flow hole; 4. a conductive member; 41. a threaded connector; 411. a seal ring; 412. o-shaped ring I; 42. an extension rod; 43. a sealing sleeve; 44. a sealing gasket; 401. a valve hole; 5. a valve core assembly; 51. a spool sleeve; 511. o-shaped ring II; 52. a valve stem; 53. a transmission block; 54. a fixing plate; 55. a thread sleeve; 6. and an overflow valve.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
Referring to fig. 1 to 6, a multiway valve with adjustable feeding speed according to an embodiment of the present utility model includes: a valve body 1, a reversing valve 2, a speed regulating assembly 3 and a conducting piece 4.
The valve body 1, offer the oil inlet channel 101 and return channel 102 in the valve body 1, offer the multiple by-pass hole 103 on the oil inlet channel 101 and return channel 102 evenly, offer the mounting hole 104 under multiple by-pass hole 103 on the valve body 1, and the one end of oil inlet channel 101 and return channel 102 is all installed the craft plug 11;
the reversing valves 2 are arranged in a plurality, and the reversing valves 2 are fixedly arranged on the valve body 1;
the speed regulating assembly 3 is embedded on the valve body 1, the speed regulating assembly 3 comprises a three-way pipe 31, a sealing cover 32, a driving rod 33 and a blocking piece 34, one end of the three-way pipe 31 is arranged at the other end of the oil inlet channel 101 in a threaded manner, fan-shaped circulating holes 301 are symmetrically formed in one end of the three-way pipe 31, which is communicated with the oil inlet channel 101, the sealing cover 32 is fixedly arranged at the other end of the three-way pipe 31, the driving rod 33 is rotatably arranged on the sealing cover 32, the blocking piece 34 for sealing the circulating holes 301 is arranged at one end of the driving rod 33, the speed regulating assembly 3 further comprises a transmission gear 35, an electric telescopic rod 36 and a rack plate 37, the transmission gear 35 is sleeved at one end of the driving rod 33 penetrating through the sealing cover 32, the electric telescopic rod 36 is fixedly arranged on the valve body 1 and is positioned above the transmission gear 35, the telescopic end of the electric telescopic rod 36 is fixedly provided with the rack plate 37, and the rack plate 37 is meshed with the transmission gear 35;
the conducting member 4, the conducting member 4 for the reversing valve 2 to communicate with the oil inlet passage 101 and the oil return passage 102 is embedded in the bypass hole 103.
It should be noted that: when the reversing valve is used, the reversing valves 2 are arranged on the valve body 1, then the oil inlets and the oil return openings of the reversing valves 2 are communicated with the oil inlet channel 101 and the oil return channel 102 through the conduction piece 4 embedded in the bypass hole 103, the three-way pipe 31 of the speed regulating assembly 3 is arranged at one end of the oil inlet channel 101, then when the oil pump supplies hydraulic oil to the oil inlet channel 101 through the speed regulating assembly 3, the rack plate 37 is driven to slide up and down by controlling the expansion and contraction of the electric telescopic rod 36, and the driving rod 33 is driven to rotate by meshing with the transmission gear 35 during sliding, so that the driving rod 33 drives the blocking piece 34 to rotate, and when the blocking piece 34 rotates, the opening of the convection hole 301 is regulated, so that the liquid flow rate of the oil inlet channel 101 is regulated.
In the embodiment of the present utility model, referring to fig. 1, 3, 5 and 6, the conducting member 4 includes a threaded connector 41, an extension rod 42 and a sealing sleeve 43, a hollow threaded end of the threaded connector 41 passes through a bypass hole 103 to be in threaded connection with the reversing valve 2, a valve hole 401 communicated with the hollow threaded end is formed on the bottom end of the threaded connector 41, the extension rod 42 is symmetrically welded on the bottom end of the threaded connector 41, the sealing sleeve 43 is fixedly installed in an installation hole 104 through a screw, a sealing gasket 44 is adhered on a joint surface of the sealing sleeve 43, and a valve element assembly 5 for adjusting the opening of the valve hole 401 is installed on the sealing sleeve 43;
the threaded connector 41 is provided with a groove at the bottom end of the hollow threaded end, a sealing ring 411 is embedded in the groove, an annular groove is formed in the outer side wall of the bottom end of the threaded connector 41, and an O-shaped ring 412 is embedded in the annular groove.
It should be noted that: when the guide member 4 is used, after the reversing valve 2 is mounted on the valve body 1, the sealing ring 411 is sleeved on the threaded connector 41, the threaded connector 41 penetrates through the mounting hole 104, the threaded connector is aligned with the oil inlet end or the oil return end of the reversing valve 2, the extending rod 42 is screwed to be screwed into the oil inlet end or the oil return end of the reversing valve 2, the whole threaded connector 41 is fixed in the bypass hole 103, the threaded connector 41 and the bypass hole 103 are sealed by the sealing ring 411, then the valve core assembly 5 is mounted on the sealing sleeve 43, the sealing gasket 44 is adhered on the mounting joint surface of the sealing sleeve 43 and the mounting hole 104, the sealing sleeve 43 is fixed in the mounting hole 104 by using a screw, the mounting hole 104 is sealed, and then the opening of the valve hole 401 can be adjusted by the valve core assembly 5 during oil re-inlet, so that accurate flow adjustment is performed on the independent reversing valve 2.
Whereas in the present embodiment: here, the oil inlet end and the oil return end of the reversing valve 2 are both provided with through holes in threaded fit with the threaded connector 41, and the thread type is cone threads with good sealing.
In the embodiment of the present utility model, referring to fig. 5 and 6, the valve core assembly 5 includes a valve core sleeve 51, a valve rod 52, a transmission block 53, a fixing plate 54 and a threaded sleeve 55, the valve rod 52 is slidably mounted on the sealing sleeve 43, one end of the valve rod 52 extending into the sealing sleeve 43 is provided with the valve core sleeve 51, the inner side wall of the valve core sleeve 51 is slidably matched with the outer side wall of one end of the threaded connector 41 provided with the valve hole 401, the other end of the valve rod 52 is fixedly provided with the transmission block 53, the transmission block 53 is provided with external threads, the fixing plate 54 is fixedly mounted on the valve body 1, the threaded sleeve 55 is rotatably mounted on the fixing plate 54 right below the transmission block 53, and the threaded sleeve 55 is in threaded connection with the transmission block 53;
wherein, the bottom end of the valve core sleeve 51 is provided with a through hole for two extension rods 42 to pass through, the outer side wall of the valve core sleeve 51 is in sliding fit with the inner side wall of the sealing sleeve 43, the outer side wall of the bottom end of the valve core sleeve 51 is provided with an annular groove, and an O-shaped ring II 511 is arranged in the annular groove
It should be noted that: the valve core assembly 5 is used, the valve core sleeve 51 is in sealing connection with the bottom end of the threaded connector 41 and the sealing sleeve 43 through the first O-shaped ring 412 and the second O-shaped ring 511, so that when the valve core sleeve 51 slides along the sealing sleeve 43 under the driving of the valve rod 52, the opening of the valve hole 401 is adjusted, when the valve rod 52 is driven to rotate through the threaded sleeve 55 on the rotating fixing plate 54, and when the threaded sleeve 55 rotates, the driving transmission block 53 drives the valve rod 52 to move along the direction of the threaded sleeve 55, so that the position of the valve core sleeve 51 on the threaded connector 41 is adjusted, and the opening of the valve hole 401 is adjusted.
In the embodiment of the present utility model, referring to fig. 1, an overflow valve 6 communicating with an oil inlet passage 101 is embedded in a valve body 1.
It should be noted that: thus, through the connection of the relief valve 6, the overall maximum oil pressure can be regulated through the pre-pressure setting of the relief valve 6, and the excessive hydraulic pressure is prevented from damaging the executive component due to the excessive oil pressure load.
The working principle of the multi-way valve with the adjustable feeding speed provided by the utility model is as follows:
during installation, a plurality of reversing valves 2 are installed on a valve body 1 one by one, then sealing rings 411 of a conducting piece 4 are sleeved on threaded connectors 41, then the threaded connectors 41 penetrate through installation holes 104, then the threaded connectors are aligned with oil inlet ends or oil return ends of the reversing valves 2, then an extension rod 42 is screwed in the oil inlet ends or the oil return ends of the reversing valves 2, the reversing valves 2 are communicated with an oil way of the valve body 1, then a valve rod 52 of a valve core assembly 5 is installed on a sealing sleeve 43, a transmission block 53 and the valve core sleeve 51 are installed at two ends of the valve rod 52, O-shaped rings 412 and O-shaped rings 511 are installed in corresponding annular grooves, then the sealing sleeve 43 is installed on installation holes 104 through screws, then a three-way pipe 31 of a speed regulating assembly 3 is installed at one end of an oil inlet channel 101, then a process plug 11 is installed at one end of the oil inlet channel 101 and one end of an oil return channel 102, then the overflow valve 6 is embedded on the valve body 1, and then the whole multi-way valve is connected into a control oil way through a guide pipe;
when the hydraulic oil pump is used, when the hydraulic oil is supplied to the oil inlet channel 101 through the speed regulating assembly 3, the rack plate 37 is driven to slide up and down by controlling the expansion and contraction of the electric telescopic rod 36, and the driving rod 33 is driven to rotate by meshing with the transmission gear 35 during sliding, so that the driving rod 33 drives the plugging piece 34 to rotate, and when the plugging piece 34 rotates, the opening of the convection through hole 301 is regulated, so that the liquid flow rate of the oil inlet channel 101 is regulated, and further, the thread bush 55 drives the transmission block 53 to drive the valve rod 52 to move along the direction of the thread bush 55, so that the position of the valve core sleeve 51 on the thread connector 41 is regulated, so that the opening of the valve hole 401 is regulated, and the liquid flow of the single reversing valve 2 is regulated accurately.
The circuits and control involved in the present utility model are all of the prior art, and are not described in detail herein.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. A multi-way valve with adjustable feed rate comprising:
the valve comprises a valve body (1), wherein an oil inlet channel (101) and an oil return channel (102) are formed in the valve body (1), a plurality of bypass holes (103) are uniformly formed in the oil inlet channel (101) and the oil return channel (102), mounting holes (104) are formed in the valve body (1) and are positioned right below the bypass holes (103), and process plugs (11) are arranged at one ends of the oil inlet channel (101) and the oil return channel (102);
the reversing valves (2) are arranged in a plurality, and the reversing valves (2) are fixedly arranged on the valve body (1);
characterized by further comprising:
the speed regulating assembly (3) is embedded on the valve body (1), the speed regulating assembly (3) comprises a three-way pipe (31), a sealing cover (32), a driving rod (33) and a sealing piece (34), one end of the three-way pipe (31) is arranged at the other end of the oil inlet channel (101) in a threaded mode, fan-shaped circulating holes (301) are symmetrically formed in one end of the three-way pipe (31) communicated with the oil inlet channel (101), the sealing cover (32) is fixedly arranged at the other end of the three-way pipe (31), the driving rod (33) is rotatably arranged on the sealing cover (32), and the sealing piece (34) used for sealing the circulating holes (301) is arranged at one end of the driving rod (31) in an inserted mode.
The guide piece (4) is used for enabling the reversing valve (2) to be communicated with the oil inlet channel (101) and the oil return channel (102), and the guide piece (4) is embedded in the bypass hole (103).
2. The multi-way valve with adjustable feeding speed according to claim 1, wherein the speed regulating assembly (3) further comprises a transmission gear (35), an electric telescopic rod (36) and a rack plate (37), the transmission gear (35) is sleeved at one end of the driving rod (33) penetrating through the sealing cover (32), the electric telescopic rod (36) is fixedly installed on the valve body (1) and is located above the transmission gear (35), the rack plate (37) is fixedly installed at the telescopic end of the electric telescopic rod (36), and the rack plate (37) is meshed with the transmission gear (35).
3. The multi-way valve with adjustable feeding speed according to claim 1, wherein the conducting piece (4) comprises a threaded connector (41), an extension rod (42) and a sealing sleeve (43), a hollow threaded end of the threaded connector (41) penetrates through the bypass hole (103) to be in threaded connection with the reversing valve (2), a valve hole (401) communicated with the hollow threaded end is formed in the bottom end of the threaded connector (41), the extension rod (42) is symmetrically welded at the bottom end of the threaded connector (41), the sealing sleeve (43) is fixedly installed in the installation hole (104) through a screw, a sealing gasket (44) is adhered to the joint surface of the sealing sleeve (43), and a valve core assembly (5) for adjusting the opening of the valve hole (401) is installed on the sealing sleeve (43).
4. A multiway valve with adjustable feeding speed according to claim 3, characterized in that the threaded connector (41) is provided with a groove at the bottom end of the hollow threaded end, a sealing ring (411) is embedded in the groove, an annular groove is provided at the outer side wall of the bottom end of the threaded connector (41), and an O-ring (412) is embedded in the annular groove.
5. The multi-way valve with adjustable feeding speed according to claim 3, wherein the valve core assembly (5) comprises a valve core sleeve (51), a valve rod (52), a transmission block (53), a fixing plate (54) and a threaded sleeve (55), the valve rod (52) is slidably mounted on the sealing sleeve (43), the valve core sleeve (51) is mounted at one end of the valve rod (52) extending into the sealing sleeve (43), the inner side wall of the valve core sleeve (51) is slidably matched with the outer side wall of one end of the threaded connector (41) with the valve hole (401), the transmission block (53) is fixedly mounted at the other end of the valve rod (52), external threads are formed in the transmission block (53), the fixing plate (54) is fixedly mounted on the valve body (1), the threaded sleeve (55) is rotatably mounted under the transmission block (53) on the fixing plate (54), and the threaded sleeve (55) is in threaded connection with the transmission block (53).
6. The multi-way valve with adjustable feeding speed according to claim 5, wherein a through hole for two extension rods (42) to pass through is formed at the bottom end of the valve core sleeve (51), the outer side wall of the valve core sleeve (51) is in sliding fit with the inner side wall of the sealing sleeve (43), an annular groove is formed at the bottom end outer side wall of the valve core sleeve (51), and an O-shaped ring II (511) is arranged in the annular groove.
7. The multiway valve with adjustable feeding speed according to claim 1, characterized in that the valve body (1) is embedded with an overflow valve (6) communicated with the oil inlet channel (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321942522.4U CN220488368U (en) | 2023-07-24 | 2023-07-24 | Multi-way valve with adjustable feeding speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321942522.4U CN220488368U (en) | 2023-07-24 | 2023-07-24 | Multi-way valve with adjustable feeding speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220488368U true CN220488368U (en) | 2024-02-13 |
Family
ID=89842559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321942522.4U Active CN220488368U (en) | 2023-07-24 | 2023-07-24 | Multi-way valve with adjustable feeding speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220488368U (en) |
-
2023
- 2023-07-24 CN CN202321942522.4U patent/CN220488368U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3093155A (en) | Variable-restriction valve | |
| KR100283611B1 (en) | Speed controller with pilot check valve and fluid pressure control circuit to which it is applied | |
| RU2414630C2 (en) | Electric hydraulic flow control with integral flow regulation | |
| DE10056998A1 (en) | Hydraulically operated mixing valve | |
| US2328979A (en) | Power transmission | |
| DE102009049548A1 (en) | valve assembly | |
| JP2018063048A (en) | Multiple control type hydraulic circuit | |
| NZ200517A (en) | Variable gain servo controlled direction valve for hydraulic control system | |
| CN220488368U (en) | Multi-way valve with adjustable feeding speed | |
| US3799200A (en) | Flow and pressure regulating control for hydraulic motors | |
| CN105545852A (en) | High-speed switch pilot proportioning valve | |
| BR102018068805A2 (en) | SYSTEM FOR MOVING A HYDRAULIC ACTUATOR | |
| CN218408637U (en) | Integrated water valve, water system and operation machine | |
| CN210738965U (en) | Bidirectional hydraulic lock | |
| CN110332172B (en) | Hydraulic actuator with power unit internally arranged in hydraulic rod | |
| US3307586A (en) | Servo valve | |
| US2728194A (en) | Control circuit for hydraulic power transmission | |
| US3897719A (en) | Flow and pressure regulating control for hydraulic motors | |
| CN112212032B (en) | Multi-way valve | |
| CN220268072U (en) | Plug-in pilot type pressure-reducing steady flow valve | |
| CN107165879A (en) | A kind of flow prior control loop | |
| CN220185991U (en) | Industrial electromagnetic valve | |
| DE2252458C3 (en) | Control device for the feed drive of a rock drilling machine | |
| CN110657262A (en) | Equal-proportion multi-way throttle valve and multi-loop hydraulic system | |
| CN213982148U (en) | One-way throttle valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |