CN214698559U - Hydrovalve structure with buffering type hydraulic valve seat - Google Patents
Hydrovalve structure with buffering type hydraulic valve seat Download PDFInfo
- Publication number
- CN214698559U CN214698559U CN202120514621.7U CN202120514621U CN214698559U CN 214698559 U CN214698559 U CN 214698559U CN 202120514621 U CN202120514621 U CN 202120514621U CN 214698559 U CN214698559 U CN 214698559U
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- Prior art keywords
- runner
- valve
- buffer
- fixedly connected
- rigid coupling
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- 230000003139 buffering effect Effects 0.000 title claims abstract description 6
- 230000008878 coupling Effects 0.000 claims abstract description 18
- 238000010168 coupling process Methods 0.000 claims abstract description 18
- 238000005859 coupling reaction Methods 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 14
- 238000005728 strengthening Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 6
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 108010066057 cabin-1 Proteins 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a hydrovalve structure with buffering type hydraulic pressure disk seat, including hydraulic pressure storehouse and disk seat, hydraulic pressure storehouse bottom surface rigid coupling buffer block, buffer block bottom surface central point puts and sets up the sliding opening, sliding connection sleeve pipe top in the sliding opening, sleeve pipe bottom rigid coupling disk seat, both sides position sets up first runner and second runner respectively in the disk seat, it sets up the valve pocket to lie in between first runner and the second runner in the disk seat, first runner, second runner all communicate with the valve pocket, sliding connection power piston in the oil pocket in the hydraulic pressure storehouse, the oil pocket bottom surface sets up the through-hole, power piston bottom surface rigid coupling valve rod top, the valve rod bottom passes the through-hole and the sleeve pipe lies in the valve pocket and rigid coupling valve block; and a buffer cavity is formed in the valve block. The utility model discloses set up multiple buffer structure in the disk seat, cushioned through the liquid to in disk seat and the runner, avoided the too big condition of disk seat internal pressure, used safelyr.
Description
Technical Field
The utility model relates to a hydrovalve equipment technical field specifically is a hydrovalve structure with buffering type hydraulic valve seat.
Background
The hydraulic valve is an automatic element operated by pressure oil, is controlled by the pressure oil of a distribution valve, is usually combined with an electromagnetic distribution valve for use, and can be used for remotely controlling the connection and disconnection of oil, gas and water pipeline systems of hydropower stations. It is commonly used for oil circuit of clamping, controlling and lubricating, and the hydraulic valve is divided into one-way valve and reversing valve according to the purpose. A one-way valve: fluid is only allowed to be switched on in one direction in the pipeline, and is switched off in the opposite direction. A reversing valve: the on-off relationship between different pipelines is changed. Dividing the valve core into two positions, three positions and the like according to the working position of the valve core in the valve body; dividing two-way, three-way, four-way, five-way and the like according to the number of the controlled channels; the valve core driving mode includes manual, mechanical, electric, hydraulic and the like. In the later period of 60 years, an electro-hydraulic proportional control valve is developed on the basis of the hydraulic control valves. Its output (pressure, flow) can be continuously changed with input electric signal. The electro-hydraulic proportional control valves are divided into electro-hydraulic proportional pressure control valves, electro-hydraulic proportional flow control valves, electro-hydraulic proportional direction control valves and the like according to different functions. The hydraulic valve is very common as a flow valve and used as an opening and closing pipeline, and the existing hydraulic valve has the following defects when in use:
when the hydraulic valve is used as an opening and closing valve, when the hydraulic valve is closed, the valve block is positioned in the valve cavity to cut off the pipeline, the internal pressure of the pipeline is easy to change suddenly, so that larger pressure is suddenly generated in the valve seat, and no buffer structure is arranged in the valve seat, so that the use safety of the hydraulic valve is seriously influenced.
To this end we propose a hydraulic valve structure with a hydraulic valve seat of the cushion type to solve the above mentioned problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydrovalve structure with buffering type hydraulic valve seat to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic valve structure with a buffer type hydraulic valve seat comprises a hydraulic chamber and a valve seat, wherein the bottom surface of the hydraulic chamber is fixedly connected with a buffer block, the center of the bottom surface of the buffer block is provided with a sliding opening, the sliding opening is in sliding connection with the top end of a sleeve, the bottom end of the sleeve is fixedly connected with the valve seat, two side positions in the valve seat are respectively provided with a first flow passage and a second flow passage, a valve cavity is arranged between the first flow passage and the second flow passage in the valve seat, the first flow passage and the second flow passage are both communicated with the valve cavity, an oil cavity in the hydraulic chamber is in sliding connection with a power piston, the bottom surface of the oil cavity is provided with a through hole, the bottom surface of the power piston is fixedly connected with the top end of a valve rod, and the bottom end of the valve rod penetrates through the through hole and the sleeve to be positioned in the valve cavity and fixedly connected with the valve block; the improved valve is characterized in that a buffer cavity is formed in the valve block, a buffer piston is slidably connected in the buffer cavity, the top surface of the buffer piston is fixedly connected with a mandril, the top surface of the mandril is fixedly connected with one end of a first spring, the other end of the first spring is fixedly connected with the top surface of the buffer cavity, two buffer grooves are formed in the valve block, one ends of the two buffer grooves are communicated with the bottom surface of the buffer cavity, the other ends of the two buffer grooves are respectively communicated with a first flow channel and a second flow channel, two slide holes are formed in two sides of the buffer block, a slide rod is fixedly connected with the top surface of the valve seat, the slide rod is slidably connected with the slide holes, and a second spring is sleeved on the slide rod.
Preferably, first runner and second runner top surface and bottom surface are a plurality of buffer boards of rigid coupling respectively, and are a plurality of the buffer board all inclines to second runner direction, and is a plurality of the buffer board is parallel to each other, and is a plurality of the buffer board includes a plurality of first buffer boards of rigid coupling at first runner top surface and bottom surface and a plurality of second buffer boards of rigid coupling at second runner top surface and bottom surface, and is a plurality of the rigid coupling strengthening rib between first buffer board and the first runner, the rigid coupling strengthening rib between second buffer board and the second runner.
Preferably, the bottom surface of the buffer piston is fixedly connected with a hemispherical bottom, and the top end of the sliding rod is fixedly connected with a limiting plate.
Preferably, the top surface of the hydraulic bin is fixedly connected with a sealing cover, the bottom end of the sealing cover is fixedly connected with the top end of a third spring, and the bottom end of the third spring is fixedly connected with the top surface of the power piston.
Preferably, the outer side wall of the hydraulic bin is fixedly connected with an oil pump connector, the side wall of the sliding port is fixedly connected with a sealing ring, and the sealing ring is in contact with the sleeve.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses set up multiple buffer structure in the disk seat, cushioned through the liquid to in disk seat and the runner, avoided the too big condition of disk seat internal pressure, used safelyr.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the cross-sectional structure of the present invention;
fig. 3 is an enlarged structural diagram of a portion a in fig. 2 according to the present invention.
In the figure: the hydraulic buffer device comprises a hydraulic cabin 1, a buffer block 2, a sliding port 3, a sleeve 4, a valve seat 5, a sealing cover 6, an oil chamber 7, a power piston 8, a valve rod 9, a through hole 10, a first flow passage 11, a second flow passage 12, a valve chamber 13, a valve block 14, a buffer groove 15, a buffer chamber 16, a buffer piston 17, an ejector rod 18, a first spring 19, a hemispherical bottom 20, a sliding rod 21, a sliding hole 22, a second spring 23, a buffer plate 24, a reinforcing rib 25, a flange plate 26, an oil pump connecting port 27, a sealing ring 28, a limiting plate 29, a third spring 30, a first buffer plate 241 and a second buffer plate 242.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a hydraulic valve structure with a buffer type hydraulic valve seat comprises a hydraulic chamber 1 and a valve seat 5, wherein the bottom surface of the hydraulic chamber 1 is fixedly connected with a buffer block 2, the center of the bottom surface of the buffer block 2 is provided with a sliding opening 3, the sliding opening 3 is slidably connected with the top end of a sleeve 4, the bottom end of the sleeve 4 is fixedly connected with the valve seat 5, two side positions in the valve seat 5 are respectively provided with a first flow passage 11 and a second flow passage 12, a valve cavity 13 is arranged between the first flow passage 11 and the second flow passage 12 in the valve seat 5, the first flow passage 11 and the second flow passage 12 are both communicated with the valve cavity 13, an oil cavity 7 in the hydraulic chamber 1 is slidably connected with a power piston 8, the bottom surface of the oil cavity 7 is provided with a through hole 10, the bottom surface of the power piston 8 is fixedly connected with the top end of a valve rod 9, and the bottom end of the valve rod 9 passes through the through hole 10 and the sleeve 4 is arranged in the valve cavity 13 and is fixedly connected with the valve block 14; a buffer cavity 16 is formed in a valve block 14, a buffer piston 17 is slidably connected in the buffer cavity 16, the top surface of the buffer piston 17 is fixedly connected with a mandril 18, the top surface of the mandril 18 is fixedly connected with one end of a first spring 19, the other end of the first spring 19 is fixedly connected with the top surface of the buffer cavity 16, two buffer grooves 15 are formed in the valve block 14, one ends of the two buffer grooves 15 are communicated with the bottom surface of the buffer cavity 16, the other ends of the two buffer grooves are respectively communicated with a first flow channel 11 and a second flow channel 12, two sliding holes 22 are formed in two sides of the buffer block 2, a slide rod 21 is fixedly connected with the top surface of a valve seat 5, the slide rod 21 is slidably connected with the sliding holes 22, and a second spring 23 is sleeved on the slide rod 21.
As shown in fig. 2, the top surfaces and the bottom surfaces of the first flow channel 11 and the second flow channel 12 are fixedly connected with a plurality of buffer plates 24 respectively, the plurality of buffer plates 24 are inclined towards the direction of the second flow channel 12, the plurality of buffer plates 24 are parallel to each other, the plurality of buffer plates 24 include a plurality of first buffer plates 241 fixedly connected to the top surfaces and the bottom surfaces of the first flow channel 11 and a plurality of second buffer plates 242 fixedly connected to the top surfaces and the bottom surfaces of the second flow channel 12, reinforcing ribs 25 are fixedly connected between the plurality of first buffer plates 241 and the first flow channel 11, and reinforcing ribs 25 are fixedly connected between the second buffer plates 242 and the second flow channel 12.
As shown in FIG. 2, the bottom surface of the buffer piston 17 is fixedly connected with the hemispherical bottom 20, and the top end of the slide rod 21 is fixedly connected with the limit plate 29.
As shown in FIG. 2, a sealing cover 6 is fixedly connected to the top surface of the hydraulic chamber 1, the bottom end of the sealing cover 6 is fixedly connected to the top end of a third spring 30, and the bottom end of the third spring 30 is fixedly connected to the top surface of the power piston 8.
As shown in FIG. 2, the outer side wall of the hydraulic chamber 1 is fixedly connected with an oil pump connecting port 27, the side wall of the sliding port 3 is fixedly connected with a sealing ring 28, and the sealing ring 28 is contacted with the sleeve 4.
The working principle is as follows: the utility model discloses when using, when needs cut off the pipeline, the valve block pushes down to the valve pocket, and the disk seat cushions under the effect of buffer board and third spring this moment, and liquid receives the buffer board influence in the pipeline simultaneously, can reduce valve pocket internal pressure, and liquid passes through the dashpot simultaneously and gets into the cushion chamber, and the effect of receiving the buffer piston cushions liquid pressure. The utility model discloses set up multiple buffer structure in the disk seat, cushioned through the liquid to in disk seat and the runner, avoided the too big condition of disk seat internal pressure, used safelyr.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a hydrovalve structure with buffering type hydraulic valve seat, includes hydraulic pressure storehouse (1) and disk seat (5), its characterized in that: the bottom surface of the hydraulic bin (1) is fixedly connected with a buffer block (2), the center of the bottom surface of the buffer block (2) is provided with a sliding opening (3), the sliding opening (3) is connected with the top end of a sleeve (4) in a sliding way, the bottom end of the sleeve (4) is fixedly connected with a valve seat (5), a first flow passage (11) and a second flow passage (12) are respectively arranged at the two sides in the valve seat (5), a valve cavity (13) is arranged between the first flow passage (11) and the second flow passage (12) in the valve seat (5), the first flow passage (11) and the second flow passage (12) are both communicated with the valve cavity (13), an oil cavity (7) in the hydraulic chamber (1) is connected with a power piston (8) in a sliding way, the bottom surface of the oil cavity (7) is provided with a through hole (10), the bottom surface of the power piston (8) is fixedly connected with the top end of the valve rod (9), the bottom end of the valve rod (9) penetrates through the through hole (10) and the sleeve (4) to be positioned in the valve cavity (13) and is fixedly connected with a valve block (14);
set up cushion chamber (16) in valve block (14), sliding connection buffer piston (17) in cushion chamber (16), buffer piston (17) top surface rigid coupling ejector pin (18), first spring (19) one end of ejector pin (18) top surface rigid coupling, first spring (19) other end rigid coupling cushion chamber (16) top surface, set up two dashpots (15) in valve block (14), first runner (11) and second runner (12) are communicate respectively to two dashpots (15) one end intercommunication cushion chamber (16) bottom surface, the other end, two slotted holes (22) are seted up to buffer block (2) both sides, disk seat (5) top surface rigid coupling slide bar (21), slide bar (21) sliding connection slide opening (22), cup joint second spring (23) on slide bar (21).
2. The hydraulic valve structure with a cushioned hydraulic valve seat as set forth in claim 1, wherein: first runner (11) and second runner (12) top surface and bottom surface are a plurality of buffer board (24) of rigid coupling respectively, and are a plurality of buffer board (24) all inclines to second runner (12) direction, and is a plurality of buffer board (24) are parallel to each other, and are a plurality of buffer board (24) are including a plurality of first buffer board (241) of rigid coupling at first runner (11) top surface and bottom surface and a plurality of second buffer board (242) of rigid coupling at second runner (12) top surface and bottom surface, and are a plurality of rigid coupling strengthening rib (25) between first buffer board (241) and first runner (11), rigid coupling strengthening rib (25) between second buffer board (242) and second runner (12).
3. The hydraulic valve structure with a cushioned hydraulic valve seat as set forth in claim 1, wherein: the bottom surface of the buffer piston (17) is fixedly connected with a hemispherical bottom (20), and the top end of the sliding rod (21) is fixedly connected with a limiting plate (29).
4. The hydraulic valve structure with a cushioned hydraulic valve seat as set forth in claim 1, wherein: the top surface of the hydraulic bin (1) is fixedly connected with a sealing cover (6), the bottom end of the sealing cover (6) is fixedly connected with the top end of a third spring (30), and the bottom end of the third spring (30) is fixedly connected with the top surface of a power piston (8).
5. The hydraulic valve structure with a cushioned hydraulic valve seat as set forth in claim 1, wherein: the outer side wall of the hydraulic bin (1) is fixedly connected with an oil pump connecting port (27), the side wall of the sliding port (3) is fixedly connected with a sealing ring (28), and the sealing ring (28) is in contact with the sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120514621.7U CN214698559U (en) | 2021-03-11 | 2021-03-11 | Hydrovalve structure with buffering type hydraulic valve seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120514621.7U CN214698559U (en) | 2021-03-11 | 2021-03-11 | Hydrovalve structure with buffering type hydraulic valve seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214698559U true CN214698559U (en) | 2021-11-12 |
Family
ID=78570847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120514621.7U Expired - Fee Related CN214698559U (en) | 2021-03-11 | 2021-03-11 | Hydrovalve structure with buffering type hydraulic valve seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214698559U (en) |
-
2021
- 2021-03-11 CN CN202120514621.7U patent/CN214698559U/en not_active Expired - Fee Related
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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: 20211112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |