CN212480147U - Piston type quick cut-off valve - Google Patents
Piston type quick cut-off valve Download PDFInfo
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- CN212480147U CN212480147U CN202020709758.3U CN202020709758U CN212480147U CN 212480147 U CN212480147 U CN 212480147U CN 202020709758 U CN202020709758 U CN 202020709758U CN 212480147 U CN212480147 U CN 212480147U
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Abstract
The utility model provides a piston quick cut-off valve. Piston quick shut-off valve includes: a valve body; the connecting hole is formed in the valve body; the piston is arranged in the valve body and is in sealing connection with the connecting hole; the sliding rod is fixedly arranged at the top end of the piston; the mounting hole is formed in the top of the valve body; the mounting groove is formed above the valve body and communicated with the mounting hole; the pressing block is arranged in the mounting groove and the mounting hole, and the sliding rod penetrates through the pressing block and is in sliding connection with the pressing block. The utility model provides a piston quick cut-off valve adopts the motor as the power that the valve body closed for power is more reliable, makes the effect that plays that the valve body can be quick and close simultaneously.
Description
Technical Field
The utility model relates to the technical field of valves, especially, relate to a piston quick trip valve.
Background
The cut-off valve is an adjusting mechanism used for controlling the cut-off, connection or switching of fluid in a process pipeline, is widely applied to the fields of metallurgy, chemical engineering, petroleum and the like, and in daily life of people, the cut-off valve is also used for cutting off gas, natural gas, smoke and the like.
However, the action power of the traditional piston type cut-off valve mainly depends on manpower or compressed gas as power, the manual operation is relatively laborious, the labor intensity of workers is increased, the requirement on the air tightness of the pneumatic cut-off valve is high, and each sealing element is in the high-pressure gas for a long time, so that the service life is shortened, and the piston type cut-off valve is unfavorable for long-term use.
Therefore, there is a need to provide a piston type quick shut-off valve to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a piston quick cut-off valve.
In order to solve the technical problem, the utility model provides a piston quick cut-off valve, include: a valve body; the connecting hole is formed in the valve body; the piston is arranged in the valve body and is in sealing connection with the connecting hole; the sliding rod is fixedly arranged at the top end of the piston; the mounting hole is formed in the top of the valve body; the mounting groove is formed above the valve body and communicated with the mounting hole; the press block is arranged in the mounting groove and the mounting hole, and the slide rod penetrates through the press block and is in sliding connection with the press block; the mounting block is arranged above the valve body; the limiting groove is formed in the bottom of the mounting block, and the top end of the sliding rod extends into the limiting groove; the first screw rod is fixedly arranged at the top end of the sliding rod; the cavity is formed in the mounting block; the threaded sleeve is rotatably mounted on the mounting block, the bottom end of the threaded sleeve extends into the cavity, and the top end of the first lead screw extends into the cavity and is in threaded connection with the threaded sleeve; the first conical gear is fixedly arranged on the threaded sleeve; the motor is fixedly arranged at the top of the mounting block; the second bevel gear is fixedly arranged on an output shaft of the motor, and the first bevel gear is meshed with the second bevel gear; and the installation box is fixedly installed at the top of the installation block.
Preferably, the valve body and the mounting block are fixed by a plurality of bolts.
Preferably, the top and the bottom of the pressing block are both fixedly provided with a sealing ring, and the two sealing rings are respectively contacted with the mounting groove and the bottom of the mounting block.
Preferably, a bearing hole is formed in the mounting block, a sealing bearing is fixedly mounted in the bearing hole, and an inner ring of the sealing bearing is fixedly connected with the threaded sleeve.
Preferably, the top of the limiting groove is provided with a through hole, the through hole is communicated with the cavity, and the first screw rod penetrates through the through hole and is in sliding connection with the through hole.
Preferably, the top of the limiting groove is fixedly provided with two fixing rods, the top of the sliding rod is provided with a sliding groove, and the bottom ends of the two fixing rods extend into the corresponding sliding groove and are in sliding connection with the sliding groove.
Preferably, threaded hole is seted up at the top of install bin, the second lead screw is installed to the threaded hole internal thread, the top fixed mounting of second lead screw has the hexagonal piece, the cover is equipped with sealed the pad on the second lead screw, sealed pad with the install bin contacts.
Preferably, the top of the threaded sleeve is provided with a hexagonal groove.
Compared with the prior art, the utility model provides a piston quick shut-off valve has following beneficial effect:
the utility model provides a piston quick cut-off valve adopts the motor as the power that the valve body closed for power is more reliable, makes the effect that plays that the valve body can be quick and close simultaneously.
Drawings
Fig. 1 is a schematic view of a first embodiment of a piston type quick shut-off valve provided by the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of a second embodiment of a piston-type quick disconnect valve provided by the present invention;
fig. 4 is an enlarged view of a portion B in fig. 3.
Reference numbers in the figures: 1. the valve body, 2, a connecting hole, 3, a piston, 4, a sliding rod, 5, a mounting hole, 6, a pressing block, 7, a mounting block, 8, a limiting groove, 9, a first screw rod, 10, a cavity, 11, a threaded sleeve, 12, a first bevel gear, 13, a motor, 14, a second bevel gear, 15, a mounting box, 16, a fixing rod, 17, a sliding groove, 18, a second screw rod, 19, a hexagonal block, 20, a sealing gasket, 21 and a hexagonal groove.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Referring to fig. 1-2, in an embodiment of the present invention, the piston type quick shut-off valve includes: a valve body 1; the connecting hole 2 is formed in the valve body 1; the piston 3 is arranged in the valve body 1 and is in sealing connection with the connecting hole 2; the sliding rod 4 is fixedly arranged at the top end of the piston 3; the mounting hole 5 is formed in the top of the valve body 1; the mounting groove is formed above the valve body 1 and communicated with the mounting hole 5; the pressing block 6 is arranged in the mounting groove and the mounting hole 5, and the sliding rod 4 penetrates through the pressing block 6 and is in sliding connection with the pressing block 6; the mounting block 7 is arranged above the valve body 1, and the mounting block 7 is arranged above the valve body 1; the limiting groove 8 is formed in the bottom of the mounting block 7, and the top end of the sliding rod 4 extends into the limiting groove 8; the first screw rod 9 is fixedly arranged at the top end of the sliding rod 4; the cavity 10 is formed in the mounting block 7, and the cavity 10 is formed in the mounting block 7; the threaded sleeve 11 is rotatably mounted on the mounting block 7, the bottom end of the threaded sleeve 11 extends into the cavity 10, and the top end of the first lead screw 9 extends into the cavity 10 and is in threaded connection with the threaded sleeve 11; the first bevel gear 12 is fixedly arranged on the threaded sleeve 11; the motor 13 is fixedly arranged on the top of the mounting block 7; a second bevel gear 14, wherein the second bevel gear 14 is fixedly arranged on the output shaft of the motor 13, and the first bevel gear 12 is meshed with the second bevel gear 14; and the mounting box 15 is fixedly mounted at the top of the mounting block 7.
The valve body 1 and the mounting block 7 are fixed through a plurality of bolts.
The equal fixed mounting in top and the bottom of briquetting 6 has the sealing washer, two the sealing washer respectively with the mounting groove contacts with the bottom of installation piece 7, through the cooperation of briquetting 6 and two sealing washers, can play sealed effect to valve body 1 and installation piece 7 installation.
The mounting block 7 is provided with a bearing hole, a sealing bearing is fixedly mounted in the bearing hole, and an inner ring of the sealing bearing is fixedly connected with the threaded sleeve 11.
The top of the limiting groove 8 is provided with a through hole, the through hole is communicated with the cavity 10, and the first screw rod 9 penetrates through the through hole and is in sliding connection with the through hole.
Two fixing rods 16 are fixedly mounted at the top of the limiting groove 8, sliding grooves 17 are formed in the top of the sliding rod 4, and the bottom ends of the two fixing rods 16 extend into the corresponding sliding grooves 17 and are in sliding connection with the sliding grooves 17.
The utility model provides a piston quick cut-off valve's theory of operation as follows:
firstly, the valve body 1 is installed on a pipeline, the motor 13 is connected with a power supply and a controller, the controller can control the positive and negative pneumatics and the stop of the motor 13, when the piston 3 needs to be opened, the pneumatic motor 13 rotates the second bevel gear 14, the second bevel gear 14 rotates to drive the first bevel gear 12 to rotate, the first bevel gear 12 rotates to drive the threaded sleeve 11 to rotate, the threaded sleeve 11 rotates to drive the first screw rod 9 to move upwards, the first screw rod 9 moves upwards to drive the slide rod 4 to move upwards, the slide rod 4 moves upwards to drive the piston 3 to move upwards, so that liquid can pass through the valve body 1, when the valve body 1 needs to be closed, the motor 13 is reversely started, so that the piston 3 can rapidly move into the connecting hole 2, the valve body 1 plays a role in blocking fluid, when the slide rod 4 moves upwards, the fixed rod 16 is matched with the chute 17, the slide bar 4 can be prevented from rotating, so that the slide bar 4 can move upwards stably.
Compared with the prior art, the utility model provides a piston quick shut-off valve has following beneficial effect:
this device adopts the motor as the power that the valve body closed for power is more reliable, makes the effect that the valve body can be quick plays and close simultaneously.
Second embodiment:
based on the piston type quick cut-off valve provided by the first embodiment of the application, the second embodiment of the application provides another piston type quick cut-off valve. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
The second embodiment of the present invention will be further explained with reference to the drawings and the embodiments.
Referring to fig. 3-4, the piston type quick cut-off valve further includes a threaded hole, the threaded hole is formed in the top of the installation box 15, a second lead screw 18 is installed in the threaded hole, a hexagonal block 19 is fixedly installed on the top of the second lead screw 18, a sealing gasket 20 is sleeved on the second lead screw 18, and the sealing gasket 20 is in contact with the installation box 15.
The top of the threaded sleeve 11 is provided with a hexagonal groove 21.
When the motor breaks down, can't close or open during valve body 1, at this moment, use the spanner card to make hexagonal piece 19 rotate on hexagonal piece 19 and rotate the spanner, hexagonal piece 19 rotates and drives second lead screw 18 and rotate to can pull down second lead screw 18 from install bin 15, insert hexagonal recess 21 and rotate using the hexagonal board spanner, thereby make piston 3 upwards or move down, thereby make valve body 1 open or close.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (8)
1. A piston quick shut-off valve, its characterized in that includes:
a valve body;
the connecting hole is formed in the valve body;
the piston is arranged in the valve body and is in sealing connection with the connecting hole;
the sliding rod is fixedly arranged at the top end of the piston;
the mounting hole is formed in the top of the valve body;
the mounting groove is formed above the valve body and communicated with the mounting hole;
the press block is arranged in the mounting groove and the mounting hole, and the slide rod penetrates through the press block and is in sliding connection with the press block;
the mounting block is arranged above the valve body;
the limiting groove is formed in the bottom of the mounting block, and the top end of the sliding rod extends into the limiting groove;
the first screw rod is fixedly arranged at the top end of the sliding rod;
the cavity is formed in the mounting block;
the threaded sleeve is rotatably mounted on the mounting block, the bottom end of the threaded sleeve extends into the cavity, and the top end of the first lead screw extends into the cavity and is in threaded connection with the threaded sleeve;
the first conical gear is fixedly arranged on the threaded sleeve;
the motor is fixedly arranged at the top of the mounting block;
the second bevel gear is fixedly arranged on an output shaft of the motor, and the first bevel gear is meshed with the second bevel gear;
and the installation box is fixedly installed at the top of the installation block.
2. The piston-type quick disconnect valve of claim 1 wherein the valve body is secured to the mounting block by a plurality of bolts.
3. The piston type quick shut-off valve as claimed in claim 1, wherein the top and the bottom of the pressure block are fixedly provided with sealing rings, and the two sealing rings are respectively contacted with the mounting groove and the bottom of the mounting block.
4. The piston type quick shut-off valve as claimed in claim 1, wherein the mounting block is provided with a bearing hole, a sealing bearing is fixedly mounted in the bearing hole, and an inner ring of the sealing bearing is fixedly connected with the threaded sleeve.
5. The piston type quick shut-off valve as claimed in claim 1, wherein a through hole is opened at the top of the limiting groove, the through hole is communicated with the cavity, and the first screw rod penetrates through the through hole and is slidably connected with the through hole.
6. The piston type quick shut-off valve as claimed in claim 1, wherein two fixing rods are fixedly mounted at the top of the limiting groove, a sliding groove is formed at the top of the sliding rod, and the bottom ends of the two fixing rods extend into the corresponding sliding groove and are slidably connected with the sliding groove.
7. The piston type quick shut-off valve as claimed in claim 1, wherein a threaded hole is formed in the top of the mounting box, a second lead screw is mounted in the threaded hole, a hexagonal block is fixedly mounted at the top of the second lead screw, a sealing gasket is sleeved on the second lead screw, and the sealing gasket is in contact with the mounting box.
8. The piston-type quick shut-off valve as claimed in claim 1, wherein a hexagonal groove is formed at the top of the threaded sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020709758.3U CN212480147U (en) | 2020-05-03 | 2020-05-03 | Piston type quick cut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020709758.3U CN212480147U (en) | 2020-05-03 | 2020-05-03 | Piston type quick cut-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212480147U true CN212480147U (en) | 2021-02-05 |
Family
ID=74455180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020709758.3U Active CN212480147U (en) | 2020-05-03 | 2020-05-03 | Piston type quick cut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212480147U (en) |
-
2020
- 2020-05-03 CN CN202020709758.3U patent/CN212480147U/en active Active
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