CN209762413U - Small hydraulic control valve with buffer function - Google Patents
Small hydraulic control valve with buffer function Download PDFInfo
- Publication number
- CN209762413U CN209762413U CN201920610793.7U CN201920610793U CN209762413U CN 209762413 U CN209762413 U CN 209762413U CN 201920610793 U CN201920610793 U CN 201920610793U CN 209762413 U CN209762413 U CN 209762413U
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- CN
- China
- Prior art keywords
- buffer
- joint
- control valve
- hole
- tube
- 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
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Abstract
The utility model discloses a small-size hydraulic control valve with buffer function, including the control valve body, the feed liquor pipe is installed to the top one end of control valve body, and the buffer is installed at feed liquor pipe top, the buffer includes from the top down the buffering of connecting and buffer tube, the utility model provides a small-size hydraulic control valve with buffer function installs the buffer on the feed liquor pipe, the simple structure of buffer, installation convenient operation realizes the effect of dual buffering, and when the flow increases suddenly, the influence that furthest's reduced pressure brought under the effect of dual buffering of pressure that produces reduces the condition of liquid leakage, helps the normal operating of hydraulic control valve, prolongs the life of hydraulic control valve.
Description
Technical Field
The utility model relates to an operating valve technical field, concretely relates to small-size hydraulic operating valve with buffer function.
Background
the valve is a mechanical device for controlling the flow, flow direction, pressure, temperature and the like of flowing fluid medium, the pressure, temperature and flow change of the fluid medium can be changed by controlling the valve, and the hydraulic operating valve is a valve for changing the pressure by controlling the flow of fluid.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect of the prior art, the utility model aims to solve the technical problem that a small-size hydraulic control valve with buffer function is provided, the unsteady problem of the control valve interface that leads to of flow increase suddenly among the prior art has been solved, helps hydraulic control valve's normal operating.
To achieve the purpose, the utility model adopts the following technical proposal:
The utility model provides a small-size hydraulic control valve with buffer function, including the control valve body, the feed liquor pipe is installed to the top one end of control valve body, and the buffer is installed at feed liquor pipe top, the buffer includes from top to bottom connected buffer joint and buffer tube, the buffer joint includes from top to bottom connected and integrated into one piece's external joint, outer hexagon head, closing plate and nipple, the lateral wall of external joint is provided with the mounting thread that is connected with external water pipe, outer hexagon head is located the bottom of external joint and the radius is greater than the external joint, the closing plate is located the bottom of outer hexagon head and the radius is greater than the outer hexagon head, the external diameter of nipple equals the top internal diameter of buffer tube, nipple stretches into and is connected with the buffer tube top through the screw thread from the top of buffer tube, the middle part of the buffer tube is a spherical buffer cavity, and the radius of the buffer cavity is greater than the radius of the top part of the buffer tube and the radius of the bottom part of the buffer tube; a through hole is formed in the center of the buffer joint, a buffer baffle is arranged below the inner joint, the buffer baffle is fixedly connected with the bottom end face of the inner joint through a plurality of vertically arranged connecting rods, the radius of the buffer baffle is larger than that of the through hole, and the buffer baffle is positioned in the buffer cavity; and the outer side wall of the bottom end of the buffer tube is provided with a mounting thread connected with the liquid inlet tube.
in the preferred technical solution of the present invention, the longitudinal section of the buffer baffle is tapered.
The utility model discloses in the preferred technical scheme, the buffer chamber inner wall is from last down to encircle the concave spiral texture that is equipped with.
The utility model discloses in the preferred technical scheme, the water conservancy diversion hole of buffer tube bottom is including the equal discharge orifice and the release hole that from top to bottom set up, the top in equal discharge orifice with the cushion chamber is linked together, the bottom in equal discharge orifice with the release hole communicates just the radius in release hole is from last down crescent.
the utility model discloses in the preferred technical scheme, the top face of buffer tube is provided with the annular groove, annular groove internally mounted has the sealing washer.
The utility model has the advantages that:
The utility model provides a small-size hydraulic control valve with buffer function installs the buffer on the feed liquor pipe, the simple structure of buffer, installation convenient operation realizes the effect of double buffering, when the flow increases suddenly, the influence that furthest's reduction pressure brought under the effect of double buffering of pressure that produces reduces the condition that liquid leaked, helps the normal operating of hydraulic control valve, prolongs the life of hydraulic control valve.
Drawings
Fig. 1 is a schematic structural view of a hydraulic control valve of the present invention;
Fig. 2 is a schematic view of the buffer structure of the present invention.
In the figure: 1. a pilot valve body; 2. a liquid inlet pipe; 3. a buffer; 31. a buffer joint; 311. an outer joint; 312. an outer hexagonal head; 313. a sealing plate; 314. an inner joint; 32. a buffer tube; 321. a buffer chamber; 322. spiral texture; 323. a flow guide hole; 323a, flow equalizing holes; 323b, release holes; 324. a seal ring; 33. a through hole; 34. a buffer baffle; 341. a connecting rod.
Detailed Description
The technical solution in the embodiments of the present invention will be described in detail and removed from the accompanying drawings in the embodiments of the present invention, wherein the drawings are only for illustrative purposes, and only schematic drawings are shown, not physical drawings, and the patent is not to be construed as limited thereto; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The embodiments described herein are only some embodiments, not all embodiments, of the invention. 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.
Detailed description of the examples:
As shown in fig. 1 to 2, in an embodiment, a small hydraulic pilot valve with a buffering function is provided, which includes a pilot valve body 1, wherein an inlet pipe 2 is installed at one end of the top of the pilot valve body 1, a buffer 3 is installed at the top of the inlet pipe 2, the buffer 3 includes a buffer joint 31 and a buffer pipe 32 connected from top to bottom, the buffer joint 31 includes an outer joint 311, an outer hexagon 312, a sealing plate 313 and an inner joint 314 connected from top to bottom and integrally formed, a side wall of the outer joint 311 is provided with a mounting thread connected with an outer water pipe, the outer hexagon 312 is located at the bottom end of the outer joint 311 and has a larger radius than the outer joint 311, the sealing plate 313 is located at the bottom end of the outer hexagon 312 and has a larger radius than the outer hexagon 312, the inner joint 314 has an outer diameter equal to the inner diameter of the top end of the buffer pipe 32, and the inner joint 314 extends from the top of the buffer pipe 32 and is connected with the top of the A connection, the middle of the buffer tube 32 is a spherical buffer cavity 321, the radius of the buffer cavity 321 is larger than the radius of the top of the buffer tube 32 and the radius of the bottom of the buffer tube 32; a through hole 33 is formed in the center of the buffer joint 31, a buffer baffle 34 is arranged below the inner joint 314, the buffer baffle 34 is fixedly connected with the bottom end surface of the inner joint 314 through a plurality of vertically arranged connecting rods 341, the radius of the buffer baffle 34 is greater than that of the through hole 33, and the buffer baffle 34 is located in the buffer cavity 321; the outer side wall of the bottom end of the buffer tube 32 is provided with a mounting thread connected with the liquid inlet pipe 2.
When the buffer is installed, the buffer joint 31 and the buffer tube 32 are connected in a thread sealing manner, the bottom end of the buffer tube 32 is connected with the liquid inlet pipe 2 in a thread sealing manner, and the external water pipe is connected with the external joint 311 in a thread manner, so that the installation work of the buffer 3 is completed. When the work is started, external water pipe passes through cushion chamber 321 behind through-hole 33, inside rethread honeycomb duct 323 gets into hydraulic control valve, when discharge suddenly becomes big, buffer baffle 34 plays the dispersion effect, and water beats cushion chamber 321 rather than direct impact cushion chamber 321 from four sides, through each direction dispersion pressure, plays preliminary cushion pressure's effect, and the cushion chamber 321 that the spheroid set up increases accommodation space, plays the effect of double buffering.
The utility model provides a small-size hydraulic control valve with buffer function installs buffer 3 on the feed liquor pipe, buffer 3's simple structure, installation convenient operation realizes the effect of double buffering, and when the flow increases the overtime suddenly, the influence that furthest's reduction pressure brought under the effect of double buffering of the pressure that produces reduces the condition of liquid leakage, helps the normal operating of hydraulic control valve, prolongs the life of hydraulic control valve.
In this embodiment, the longitudinal section of the buffering baffle 34 is a cone, when the water flow is jetted from top to bottom, the cone-shaped buffering baffle 34 guides the water to be uniformly dispersed all around, and the cone-shaped arrangement can reduce the acting force generated between the water and the buffering baffle.
In this embodiment, the inner wall of the buffer cavity 321 is recessed with a spiral texture 322 from top to bottom. As water slaps around buffer cavity 321, spiral texture 322 slows the flow of water from the upper wall to the lower wall of buffer cavity 321, providing more time for water to flow out of the buffer cavity.
In this embodiment, the diversion hole 323 at the bottom of the buffer tube 32 includes a flow equalizing hole 323a and a releasing hole 323b which are arranged from top to bottom, the top of the flow equalizing hole 323a is communicated with the buffer cavity 321, the bottom of the flow equalizing hole 323a is communicated with the releasing hole 323b, and the radius of the releasing hole 323b is gradually increased from top to bottom, because the releasing hole 323b adopts a tapered structure, the pressure of water can be reduced when flowing out from the releasing hole 323b, a triple buffering effect is achieved, and the buffering effect of the buffer 3 is further improved.
In this embodiment, the top end surface of the buffer tube 32 is provided with an annular groove, and a sealing ring 324 is mounted in the annular groove, so that the sealing property between the sealing plate 313 and the buffer tube 32 is improved and leakage is prevented.
while the present invention has been described with reference to preferred embodiments, those skilled in the art will appreciate that various changes, modifications, substitutions and alterations can be made to the features and embodiments without departing from the principles and spirit of the invention, and still fall within the scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (5)
1. Small-size hydraulic power operating valve with buffer function, its characterized in that: the valve comprises an operating valve body (1), wherein a liquid inlet pipe (2) is installed at one end of the top of the operating valve body (1), a buffer (3) is installed at the top of the liquid inlet pipe (2), the buffer (3) comprises a buffer joint (31) and a buffer pipe (32) which are connected from top to bottom, the buffer joint (31) comprises an outer joint (311), an outer hexagonal joint (312), a sealing plate (313) and an inner joint (314) which are sequentially connected from top to bottom and are integrally formed, a mounting thread connected with the outer water pipe is arranged on the side wall of the outer joint (311), the outer hexagonal joint (312) is located at the bottom end of the outer joint (311), the radius of the outer hexagonal joint (313) is larger than that of the outer hexagonal joint (312), the outer diameter of the inner joint (314) is equal to the inner diameter of the top end of the buffer pipe (32), the inner joint (314) extends from the top of the buffer tube (32) and is connected with the top of the buffer tube (32) through threads, the middle part of the buffer tube (32) is provided with a spherical buffer cavity (321), and the radius of the buffer cavity (321) is larger than that of the top of the buffer tube (32) and the bottom of the buffer tube (32);
a through hole (33) is formed in the center of the buffer joint (31), a buffer baffle (34) is arranged below the inner joint (314), the buffer baffle (34) is fixedly connected with the bottom end face of the inner joint (314) through a plurality of vertically arranged connecting rods (341), the radius of the buffer baffle (34) is larger than that of the through hole (33), and the buffer baffle (34) is positioned in the buffer cavity (321);
And the outer side wall of the bottom end of the buffer tube (32) is provided with a mounting thread connected with the liquid inlet tube (2).
2. A miniaturised hydraulic power steering valve with damping function according to claim 1 characterised in that: the longitudinal section of the buffer baffle (34) is conical.
3. A miniaturised hydraulic power steering valve with damping function according to claim 1 characterised in that: spiral grains (322) are arranged on the inner wall of the buffer cavity (321) in a surrounding and concave mode from top to bottom.
4. A miniaturised hydraulic power steering valve with damping function according to claim 1 characterised in that: the flow guide hole (323) at the bottom of the buffer tube (32) comprises a flow equalizing hole (323a) and a release hole (323b) which are arranged from top to bottom, the top of the flow equalizing hole (323a) is communicated with the buffer cavity (321), the bottom of the flow equalizing hole (323a) is communicated with the release hole (323b), and the radius of the release hole (323b) is gradually increased from top to bottom.
5. A miniaturised hydraulic power steering valve with damping function according to claim 1 characterised in that: the top end face of the buffer tube (32) is provided with an annular groove, and a sealing ring (324) is installed inside the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920610793.7U CN209762413U (en) | 2019-04-30 | 2019-04-30 | Small hydraulic control valve with buffer function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920610793.7U CN209762413U (en) | 2019-04-30 | 2019-04-30 | Small hydraulic control valve with buffer function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209762413U true CN209762413U (en) | 2019-12-10 |
Family
ID=68761029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920610793.7U Expired - Fee Related CN209762413U (en) | 2019-04-30 | 2019-04-30 | Small hydraulic control valve with buffer function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209762413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237571A (en) * | 2020-01-08 | 2020-06-05 | 刘其奎 | Energy dissipation type right-angle hydraulic pipe joint |
-
2019
- 2019-04-30 CN CN201920610793.7U patent/CN209762413U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237571A (en) * | 2020-01-08 | 2020-06-05 | 刘其奎 | Energy dissipation type right-angle hydraulic pipe joint |
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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: 20191210 Termination date: 20210430 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |