CN212775836U - Explosion-proof solenoid valve with remote control function - Google Patents
Explosion-proof solenoid valve with remote control function Download PDFInfo
- Publication number
- CN212775836U CN212775836U CN202021323310.4U CN202021323310U CN212775836U CN 212775836 U CN212775836 U CN 212775836U CN 202021323310 U CN202021323310 U CN 202021323310U CN 212775836 U CN212775836 U CN 212775836U
- Authority
- CN
- China
- Prior art keywords
- flange
- fixedly connected
- explosion
- electromagnetic valve
- water inlet
- 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.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000007789 sealing Methods 0.000 claims description 18
- 230000001681 protective effect Effects 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 3
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 3
- 241001330002 Bambuseae Species 0.000 abstract 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 3
- 239000011425 bamboo Substances 0.000 abstract 3
- 238000010030 laminating Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 14
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000008093 supporting effect Effects 0.000 description 3
- 230000009172 bursting Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
Images
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model relates to a solenoid valve technical field, and an explosion-proof solenoid valve with remote control function is disclosed, including the solenoid valve body, inlet tube and outlet pipe, the both sides of solenoid valve body are fixed respectively the intercommunication have water inlet and delivery port, the tip of water inlet and delivery port all is equipped with first flange, the equal fixedly connected with of tip and the second flange of laminating mutually of inlet tube and outlet pipe, be connected through a plurality of bolts and lock nut between first flange and the second flange, and install locking mechanism between lock nut and the first flange, the fixed intercommunication in top of water inlet has a pressure release section of thick bamboo, and sliding connection has the sealed piston that matches in the pressure release section of thick bamboo, symmetrical fixedly connected with dog on the interior pipe wall of pressure release section of thick bamboo, and the upper surface of dog is laminated with sealed piston's lower surface each other. The utility model discloses make the solenoid valve not only possess good pressure release explosion-proof function, can effectively guarantee solenoid valve and pipe connection's stability moreover.
Description
Technical Field
The utility model relates to a solenoid valve technical field especially relates to an explosion-proof solenoid valve with remote control function.
Background
The electromagnetic valve is industrial equipment controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, is not limited to hydraulic pressure and pneumatics, is used in an industrial control system for adjusting the direction, flow, speed and other parameters of a medium, can be matched with different circuits to realize expected control, ensures both the control precision and flexibility, has wide application field, can be controlled by the electromagnetic valve when the flow path of gas or liquid is switched on or switched off, is mainly characterized in that the electromagnetic valve is arranged at a passage opening of a flow path pipe fitting, and can be lifted and lowered when the electromagnetic valve is electrified to control the switching on or off of the flow path, and can be remotely controlled by controlling the switching on or off of a power supply circuit.
Among the prior art, at mill or residential block pipeline to innoxious, when the non-corrosive fluid carries, need work of going on ceaselessly, when utilizing the solenoid valve to close the pipeline that will not use and stop carrying, the fluid still flows in the pipeline that does not stop, the pressure that produces in the pipeline is too big, cause the pipeline to burst easily, still can influence the life of solenoid valve, and the solenoid valve communicates through flange and pipeline mostly, and the nut on the flange does not have the locking effect of moving, use the stability that easily influences the connection for a long time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the prior art and not possessing the explosion-proof function of pressure release for the solenoid valve to and the not hard up problem easily appears after the flange mounting, and the explosion-proof solenoid valve with remote control function that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an explosion-proof electromagnetic valve with a remote control function comprises an electromagnetic valve body, a water inlet pipe and a water outlet pipe, wherein a water inlet and a water outlet are respectively and fixedly communicated with two sides of the electromagnetic valve body, the end parts of the water inlet and the water outlet are respectively provided with a first flange, the end parts of the water inlet pipe and the water outlet pipe are respectively and fixedly connected with a second flange which is jointed with the first flange, the first flange and the second flange are connected through a plurality of bolts and locking nuts, a loosening prevention mechanism is arranged between the locking nuts and the first flange, the top part of the water inlet is fixedly communicated with a pressure relief cylinder, a sealing piston which is matched with the water inlet pipe in a sliding way is connected in the pressure relief cylinder, check blocks are symmetrically and fixedly connected on the inner pipe wall of the pressure relief cylinder, the upper surfaces of the check blocks and the lower surfaces of the sealing piston are mutually jointed, the upper surface of the sealing piston is fixedly connected with, the pressure relief cylinder is characterized in that the top of the pressure relief cylinder is rotatably connected with a threaded sleeve through a first bearing, a matched lead screw is inserted in the threaded sleeve, the threaded sleeve is in threaded connection with the lead screw, the bottom end of the lead screw is fixedly connected with a movable block, a guide rod is fixedly connected with the top of the water inlet, a movable block is sleeved on the outer side of the guide rod, a guide sleeve matched with the guide rod is fixedly embedded in the movable block, the movable block is slidably connected with the guide rod through the guide sleeve, a cross rod is fixedly connected to the rod wall of the lead screw, which is close to the top end, and the other end of the cross rod is fixedly.
Preferably, locking mechanism includes the screw thread post of fixed connection on first flange outer lane lateral wall, threaded connection has the adjusting nut who matches on the screw thread post, adjusting nut rotates through the second bearing on being close to the border of first flange and is connected with the lantern ring, the lantern ring cover is established on the screw thread post and is set up, and lantern ring and screw thread post swing joint, fixedly connected with L type inserted bar on the lateral wall of the lantern ring, the slot has been seted up on lock nut's the lateral wall, and L type inserted bar and slot are inserted and close the setting.
Preferably, the outer cylinder wall of the threaded sleeve is provided with anti-skid threads.
Preferably, a matched protective sleeve is arranged at the joint of the guide sleeve and the guide rod.
Preferably, one end of the guide rod, which is far away from the water inlet, is fixedly connected with a limiting block.
Preferably, the outer rod wall of the guide rod is provided with scale marks.
Preferably, a matched locking gasket is arranged on one side edge of the locking nut close to the first flange.
Preferably, the outer side wall of the adjusting nut is fixedly sleeved with a matched anti-skidding sleeve.
Preferably, one end of the threaded column, which is far away from the first flange, is fixedly connected with a limiting cap.
Compared with the prior art, the utility model provides an explosion-proof solenoid valve with remote control function possesses following beneficial effect:
1. the explosion-proof electromagnetic valve with the remote control function comprises an electromagnetic valve body, a water inlet, a pressure relief cylinder, a sealing piston, a stop block, a spring, a movable block, a threaded sleeve, a lead screw, a guide rod, a movable block, a guide sleeve and a cross rod, wherein after the electromagnetic valve body is closed, if the pressure intensity of fluid in the water inlet is increased to a certain range, the automatic jacking sealing piston is lifted along the pressure relief cylinder and compresses the spring to enable the fluid to enter the pressure relief cylinder, the pressure of the fluid in the water inlet is conveniently relieved through the buffer action of the spring, the explosion of the electromagnetic valve body is avoided, the electromagnetic valve body is opened, the pressure in the water inlet is reduced, the spring drives the sealing piston to reset, the fluid in the pressure relief cylinder is automatically pressed into the water inlet, the threaded sleeve is rotated to enable the lead screw to drive the movable block to slide downwards along the pressure relief cylinder, and meanwhile, the lead, sealed piston is under the supporting role of dog for the spring is compressed, and spring compression volume changes, then produces bigger elasticity, makes the pressure release intensity of water inlet to regulate and control as required.
2. This explosion-proof solenoid valve with remote control function, through setting up first flange, the second flange, the bolt, lock nut, the screw thread post, adjusting nut, lantern ring and L type inserted bar, be connected through bolt and lock nut between first flange and the second flange, lock nut screws up the back, rotate the adjusting nut with screw thread post threaded connection, drive lantern ring motion, make the slot on L type inserted bar and the lock nut lateral wall insert and close, can prescribe a limit to lock nut's rotational freedom, avoid it to take place not hard up and influence the stability of connecting.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses make the solenoid valve not only possess good pressure release explosion-proof function, can effectively guarantee solenoid valve and pipe connection's stability moreover.
Drawings
Fig. 1 is a schematic structural diagram of an explosion-proof solenoid valve with a remote control function according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
fig. 4 is an enlarged view of a portion C in fig. 1.
In the figure: the electromagnetic valve comprises an electromagnetic valve body 1, a water inlet pipe 2, a water outlet pipe 3, a water inlet 4, a water outlet 5, a first flange 6, a second flange 7, a bolt 8, a locking nut 9, a pressure relief cylinder 10, a sealing piston 11, a stop block 12, a spring 13, a movable block 14, a threaded sleeve 15, a lead screw 16, a guide rod 17, a movable block 18, a guide sleeve 19, a cross rod 20, a threaded column 21, an adjusting nut 22, a lantern ring 23, a 24L-shaped inserted rod, a protective sleeve 25, a limiting block 26, an anti-skid sleeve 27 and a limiting cap 28.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-4, an explosion-proof electromagnetic valve with remote control function comprises an electromagnetic valve body 1, a water inlet pipe 2 and a water outlet pipe 3, wherein both sides of the electromagnetic valve body 1 are respectively and fixedly communicated with a water inlet 4 and a water outlet 5, the end parts of the water inlet 4 and the water outlet 5 are respectively provided with a first flange 6, the end parts of the water inlet pipe 2 and the water outlet pipe 3 are respectively and fixedly connected with a second flange 7 jointed with the first flange 6, the first flange 6 and the second flange 7 are connected with a locking nut 9 through a plurality of bolts 8, a loosening prevention mechanism is arranged between the locking nut 9 and the first flange 6, the top part of the water inlet 4 is fixedly communicated with a pressure relief cylinder 10, a matched sealing piston 11 is connected in the pressure relief cylinder 10 in a sliding manner, a stop block 12 is symmetrically and fixedly connected on the inner pipe wall of the pressure relief cylinder 10, and the upper surface of, the upper surface of the sealing piston 11 is fixedly connected with a spring 13, the other end of the spring 13 is fixedly connected with a movable block 14 which is in sliding connection with the pressure relief cylinder 10, the top of the pressure relief cylinder 10 is rotatably connected with a threaded sleeve 15 through a first bearing, a matched lead screw 16 is inserted in the threaded sleeve 15, the threaded sleeve 15 is in threaded connection with the lead screw 16, the bottom end of the lead screw 16 is fixedly connected with the movable block 14, the top of the water inlet 4 is fixedly connected with a guide rod 17, a movable block 18 is sleeved outside the guide rod 17, a guide sleeve 19 which is matched with the guide rod 17 is fixedly embedded in the movable block 18, the movable block 18 is in sliding connection with the guide rod 17 through the guide sleeve 19, a cross rod 20 is fixedly connected on a rod wall close to the top end of the lead screw 16, the other end of the cross rod 20 is fixedly connected with the movable block 18, after the electromagnetic, the automatic jacking sealing piston 11 is lifted along the pressure relief cylinder 10, the spring 13 is compressed, fluid enters the pressure relief cylinder 10, the buffering effect is achieved through the spring 13, the fluid in the water inlet 4 is conveniently relieved in pressure, the electromagnetic valve body 1 is prevented from bursting, the electromagnetic valve body 1 is opened, the pressure in the water inlet 4 is reduced, the spring 13 drives the sealing piston 11 to reset, the fluid in the pressure relief cylinder 10 is automatically pressed into the water inlet 4, the threaded sleeve 15 is rotated, the screw rod 16 drives the moving block 18 to slide downwards along the pressure relief cylinder 10, meanwhile, the screw rod 16 drives the moving block 18 to slide downwards along the guide rod 17 through the cross rod 20, the sealing piston 11 is under the supporting effect of the stop block 12, the spring 13 is compressed, the compression amount of the spring 13 is changed, larger elastic force is generated, and the pressure relief strength of the water inlet 4 can be regulated and controlled as required.
The anti-loosening mechanism comprises a threaded column 21 fixedly connected to the side wall of the outer ring of a first flange 6, a matched adjusting nut 22 is connected to the threaded column 21 in a threaded mode, the adjusting nut 22 is connected to the edge, close to the first flange 6, of the edge through a second bearing in a rotating mode, a sleeve ring 23 is connected to the threaded column 21 in a sleeved mode, the sleeve ring 23 is movably connected with the threaded column 21, an L-shaped insert rod 24 is fixedly connected to the outer side wall of the sleeve ring 23, a slot is formed in the side wall of a locking nut 9, the L-shaped insert rod 24 is arranged in an inserting mode with the slot, the first flange 6 is connected with a second flange 7 through a bolt 8 and a locking nut 9, after the locking nut 9 is screwed down, the adjusting nut 22 in threaded connection with the threaded column 21 is rotated to drive the sleeve ring 23 to move, the L-shaped insert rod 24 is made to be inserted into the slot in the side wall of the locking, the problem that the connection stability is affected due to looseness of the connection is avoided.
The outer cylinder wall of the threaded sleeve 15 is provided with anti-slip lines, so that the adhesive force is increased, and the threaded sleeve 15 is conveniently driven to rotate.
The joint of the guide sleeve 19 and the guide rod 17 is provided with a matched protective sleeve 25, so that abrasion during sliding is avoided.
One end of the guide rod 17 far away from the water inlet 4 is fixedly connected with a limiting block 26, so that the moving block 18 is prevented from being separated from the guide rod 17.
The outer rod wall of the guide rod 17 is provided with scale marks, so that the accuracy of compression regulation of the spring 13 is improved.
And a matched locking gasket is arranged on one side edge of the locking nut 9 close to the first flange 6, so that the locking and positioning stability of the locking nut 9 is improved.
The outer side wall of the adjusting nut 22 is fixedly sleeved with a matched anti-slip sleeve 27, so that the adjusting nut 22 is conveniently driven to rotate.
One end of the threaded column 21 far away from the first flange 6 is fixedly connected with a limiting cap 28 to prevent the adjusting nut 22 from being separated from the threaded column 21.
In the utility model, after the electromagnetic valve body 1 is closed, if the fluid pressure in the water inlet 4 is increased to a certain range, the automatic jacking sealing piston 11 is lifted along the pressure relief cylinder 10, and the spring 13 is compressed, so that the fluid enters the pressure relief cylinder 10, the fluid in the water inlet 4 is conveniently decompressed through the buffer action of the spring 13, the electromagnetic valve body 1 is prevented from bursting, the electromagnetic valve body 1 is opened, the pressure in the water inlet 4 is reduced, the spring 13 drives the sealing piston 11 to reset, so that the fluid in the pressure relief cylinder 10 is automatically pressed into the water inlet 4, the threaded sleeve 15 is rotated, the screw rod 16 drives the moving block 18 to slide downwards along the pressure relief cylinder 10, meanwhile, the screw rod 16 drives the moving block 18 to slide downwards along the guide rod 17 through the cross rod 20, the sealing piston 11 slides downwards under the supporting action of the stop block 12, so that the spring 13 is compressed, the compression amount of the spring 13, a larger elastic force is generated, so that the pressure relief strength of the water inlet 4 can be regulated and controlled as required; be connected through bolt 8 and lock nut 9 between first flange 6 and the second flange 7, lock nut 9 screws up the back, rotates the adjusting nut 22 with screw thread post 21 threaded connection, drives lantern ring 23 motion, makes the slot on L type inserted bar 24 and the lock nut 9 lateral wall insert and closes, can prescribe a limit to lock nut 9's rotational degree of freedom, avoids it to take place to become flexible and influence the stability of connecting.
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 (9)
1. An explosion-proof electromagnetic valve with a remote control function comprises an electromagnetic valve body (1), a water inlet pipe (2) and a water outlet pipe (3), and is characterized in that the two sides of the electromagnetic valve body (1) are respectively fixedly communicated with a water inlet (4) and a water outlet (5), the end parts of the water inlet (4) and the water outlet (5) are respectively provided with a first flange (6), the end parts of the water inlet pipe (2) and the water outlet pipe (3) are respectively and fixedly connected with a second flange (7) which is attached to the first flange (6), the first flange (6) and the second flange (7) are connected through a plurality of bolts (8) and locking nuts (9), an anti-loosening mechanism is installed between the locking nuts (9) and the first flange (6), the top part of the water inlet (4) is fixedly communicated with a pressure relief cylinder (10), and the pressure relief cylinder (10) is internally and slidably connected with a matched sealing piston (11), the inner pipe wall of the pressure relief cylinder (10) is symmetrically and fixedly connected with check blocks (12), the upper surface of each check block (12) is attached to the lower surface of a sealing piston (11), the upper surface of each sealing piston (11) is fixedly connected with a spring (13), the other end of each spring (13) is fixedly connected with a movable block (14) which is in sliding connection with the pressure relief cylinder (10), the top of the pressure relief cylinder (10) is rotatably connected with a threaded sleeve (15) through a first bearing, a matched lead screw (16) is inserted in each threaded sleeve (15), each threaded sleeve (15) is in threaded connection with each lead screw (16), the bottom end of each lead screw (16) is fixedly connected with each movable block (14), the top of the water inlet (4) is fixedly connected with a guide rod (17), a movable block (18) is sleeved on the outer side of each guide rod (17), and a guide sleeve (19) matched with each guide rod (17) is fixedly inlaid in each movable block (18), the moving block (18) is connected with the guide rod (17) in a sliding mode through a guide sleeve (19), a cross rod (20) is fixedly connected to the rod wall, close to the top end, of the lead screw (16), and the other end of the cross rod (20) is fixedly connected with the moving block (18).
2. The explosion-proof electromagnetic valve with the remote control function is characterized in that the anti-loosening mechanism comprises a threaded column (21) fixedly connected to the side wall of the outer ring of the first flange (6), a matched adjusting nut (22) is connected to the threaded column (21) in a threaded mode, a sleeve ring (23) is rotatably connected to the edge, close to the first flange (6), of the adjusting nut (22) through a second bearing, the sleeve ring (23) is sleeved on the threaded column (21) and is arranged, the sleeve ring (23) is movably connected with the threaded column (21), an L-shaped insert rod (24) is fixedly connected to the outer side wall of the sleeve ring (23), a slot is formed in the side wall of the locking nut (9), and the L-shaped insert rod (24) and the slot are arranged in an inserting mode.
3. The explosion-proof electromagnetic valve with the remote control function as claimed in claim 1, characterized in that the outer cylinder wall of the threaded sleeve (15) is provided with anti-slip threads.
4. An explosion-proof electromagnetic valve with remote control function according to claim 1, characterized in that the connection of the guide sleeve (19) and the guide rod (17) is provided with a matched protective sleeve (25).
5. The explosion-proof electromagnetic valve with the remote control function is characterized in that one end of the guide rod (17) far away from the water inlet (4) is fixedly connected with a limiting block (26).
6. The explosion-proof electromagnetic valve with the remote control function as claimed in claim 1, characterized in that the outer rod wall of the guide rod (17) is provided with scale marks.
7. An explosion-proof electromagnetic valve with remote control function as claimed in claim 1, characterized in that the locking nut (9) is provided with a matching locking washer along the edge of the side close to the first flange (6).
8. The explosion-proof electromagnetic valve with the remote control function as claimed in claim 2, characterized in that a matched anti-slip sleeve (27) is fixedly sleeved on the outer side wall of the adjusting nut (22).
9. An explosion-proof electromagnetic valve with remote control function according to claim 2, characterized in that a limit cap (28) is fixedly connected to one end of the threaded column (21) far away from the first flange (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021323310.4U CN212775836U (en) | 2020-07-08 | 2020-07-08 | Explosion-proof solenoid valve with remote control function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021323310.4U CN212775836U (en) | 2020-07-08 | 2020-07-08 | Explosion-proof solenoid valve with remote control function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212775836U true CN212775836U (en) | 2021-03-23 |
Family
ID=75076296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021323310.4U Expired - Fee Related CN212775836U (en) | 2020-07-08 | 2020-07-08 | Explosion-proof solenoid valve with remote control function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212775836U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114683561A (en) * | 2022-03-17 | 2022-07-01 | 江苏泛亚橡塑新材料有限公司 | Automobile-used sponge strip processingequipment that pastes |
-
2020
- 2020-07-08 CN CN202021323310.4U patent/CN212775836U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114683561A (en) * | 2022-03-17 | 2022-07-01 | 江苏泛亚橡塑新材料有限公司 | Automobile-used sponge strip processingequipment that pastes |
| CN114683561B (en) * | 2022-03-17 | 2023-07-21 | 江苏泛亚橡塑新材料有限公司 | Processing device for adhesive sponge strip for vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105257889A (en) | Electro-hydraulic driving system for sluice valve and sluice valve | |
| CN212775836U (en) | Explosion-proof solenoid valve with remote control function | |
| CN105003715A (en) | Brake valve electro-hydraulic drive system with emergency shut valve function and brake valve | |
| CN204828870U (en) | Gate valve electricity liquid actuating system and gate valve with emergent valve function of closing | |
| CN111188910A (en) | Multifunctional stop valve | |
| CN108730575A (en) | A kind of small size two-way valve | |
| CN207195794U (en) | Automatic double acting stop valve manually | |
| CN204784959U (en) | Gate valve electricity liquid actuating system and gate valve | |
| CN105465089B (en) | A kind of steering wheel isolation bypass valve group | |
| CN211145413U (en) | Two-position valve | |
| CN208703234U (en) | A kind of novel and multifunctional hydraulic control valve | |
| CN1375345A (en) | Automatic magnetically controlled showering valve | |
| CN210637520U (en) | Novel butterfly valve | |
| CN219994390U (en) | Marine gate valve capable of avoiding water leakage | |
| CN112830259A (en) | Pneumatic conveying guiding device | |
| CN220102256U (en) | Adjustable handle for valve | |
| CN211951505U (en) | Flow type electromagnetic valve with good corrosion resistance | |
| CN112610702B (en) | Electric butterfly valve for pipeline water delivery control | |
| CN220956866U (en) | Double-sealing valve | |
| CN111219494A (en) | Stop valve | |
| CN212004415U (en) | Slow closing mechanism for check valve | |
| CN217713838U (en) | Gate valve electro-hydraulic driving system with manual valve opening and closing function and gate valve | |
| CN215891137U (en) | Split type needle-shaped throttle valve of valve rod | |
| CN211039232U (en) | High-precision hydraulic control butterfly valve hydraulic cylinder for adjusting switching time | |
| CN216279657U (en) | Stop valve with coupling assembling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210323 |