CN216768477U

CN216768477U - Superimposed pressure reducing valve for hydraulic control

Info

Publication number: CN216768477U
Application number: CN202122897972.3U
Authority: CN
Inventors: 苏俊
Original assignee: Wuhan Juncheng Hengji Technology Co ltd
Current assignee: Wuhan Juncheng Hengji Technology Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-06-17
Anticipated expiration: 2031-11-24

Abstract

The utility model relates to the technical field of pressure reducing valves and discloses a superposition type pressure reducing valve for hydraulic control, which comprises a sliding shaft and a plug, wherein an overflow groove is formed in the sliding shaft, a fixing mechanism is arranged in the overflow groove, and a cleaning mechanism is arranged in the plug; the fixing mechanism comprises a protective shell, a limiting clamping block, a rod button, a rotating rod, a plate sleeve, a clamping groove, an arc-shaped sliding plate, a first spring, a rotating shaft and a clamping plate, the limiting clamping block is fixedly installed on the outer wall of the protective shell, the cleaning mechanism comprises a ring plate, a limiting sliding plate, a second spring, a connecting rod and a ring-shaped scrubbing brush, and the clamping plate can be clamped in the clamping groove under the combined action of the mechanisms, so that the protective shell and an overflow groove are fixed, the protective shell is prevented from falling due to impact for a long time when in use, the normal use of the protective shell is guaranteed, the stability of the protective shell in use is improved, the possibility of falling of the protective shell is reduced, and the protective effect of the protective shell is improved.

Description

Superimposed pressure reducing valve for hydraulic control

Technical Field

The utility model relates to the technical field of pressure reducing valves, in particular to a superposition type pressure reducing valve for hydraulic control.

Background

The Chinese patent discloses a superposition type pressure reducing valve for hydraulic control, and the publication number is as follows: CN213176234U, this patent sets up the mutual cooperation between the overflow trough and the trough wall protective shell, thereby achieving a good adjusting effect, avoiding the problem that in the actual application process, there is a poor adjusting effect, because the device needs to work in liquid for a long time, once the time is too long, the overflow trough will be leveled, further reducing the adjusting effect of the device, and the overflow trough is leveled, also leading to the connected object loosening, not beneficial to development, and enhancing the reality of the device; the effect of preventing the plug from being blocked is achieved by arranging the mutual matching between the plug and the filter screen, the problem that the plug is blocked and the working efficiency of the device is reduced due to the fact that impurities are accumulated on the inner wall of the plug once the liquid runs for a long time because the liquid is easy to be blocked in the actual application process is avoided, and the practicability of the device is enhanced;

however, the protective shell is unstable in connection in a single plugging mode after being used, and may be washed away by water flow in the using process, so that the protective shell cannot be normally used; the filter screen is singly arranged inside the plug, so that the anti-blocking effect on the plug is not good.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a superposition type pressure reducing valve for hydraulic control, which solves the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the superposition type pressure reducing valve for hydraulic control comprises a sliding shaft and a plug, wherein an overflow groove is formed in the sliding shaft, a fixing mechanism is arranged in the overflow groove, and a cleaning mechanism is arranged in the plug;

the fixing mechanism comprises a protective shell, a limiting clamping block, a rod button, a rotating rod, a plate sleeve, a clamping groove, an arc-shaped sliding plate, a first spring, a rotating shaft and a clamping plate, wherein the limiting clamping block is fixedly installed on the outer wall of the protective shell, the limiting clamping block is clamped in the limiting clamping groove formed in the inner wall of the overflow groove, the rod button is fixedly installed at the top end of the rotating rod, the rotating rod penetrates through the bottom end of the protective shell, the outer wall of the rotating rod is rotatably connected with the protective shell through a first bearing, the plate sleeve is fixedly installed at the bottom end of the rotating rod, and the clamping groove is formed in the bottom end of the protective shell.

Preferably, clean the mechanism and include crown plate, spacing slide, spring two, connecting rod, annular scrubbing brush, spacing slide fixed mounting is on the crown plate outer wall, spacing spout sliding connection that spacing slide and end cap inner wall were seted up through setting up spacing slide, makes the stable slip of crown plate accessible spacing slide realization on the end cap inner wall, guarantees the normal use of crown plate.

Preferably, one end of the second spring is fixedly installed on one side of the limiting sliding plate, the other end of the second spring is fixedly installed on the inner wall of the limiting sliding groove formed in the inner wall of the plug, and the second spring is arranged, so that the annular plate can move leftwards and rightwards in a small range under the elastic and inertial effects of the second spring through the limiting sliding plate, and the annular plate brush is driven to brush on the inner wall of the plug in a reciprocating mode.

Preferably, connecting rod one end fixed mounting is in crown plate one side, annular scrubbing brush fixed mounting is at the connecting rod other end, just annular scrubbing brush and end cap inner wall surface contact, through setting up annular scrubbing brush, can clean the remaining impurity of rivers long-time the time of passing through on the end cap inner wall, prevent that impurity can pile up at the end cap inner wall.

Preferably, arc slide fixed mounting is in pole knob bottom, the arc slide and the spacing arc groove sliding connection that protective housing inner wall bottom was seted up, through setting up spacing arc groove, make the pole knob can drive the arc slide and realize sliding in spacing arc groove, guarantee the normal use of arc slide.

Preferably, one end of the spring is fixedly installed on one side of the arc-shaped sliding plate, the other end of the spring is fixedly installed on the inner wall of the limiting arc groove formed in the bottom end of the inner wall of the protective shell, and the arc-shaped sliding plate can slide to the original position under the reset acting force of the spring I by virtue of the spring I, so that the rod knob can rotate in the opposite direction.

Preferably, the clamping plate is fixedly installed at the top end of the rotating shaft, the bottom end of the rotating shaft is rotatably connected with the bottom end of the inner wall of the overflow groove through a second bearing, one end of the plug is communicated with a liquid inlet pipe, and the rotating shaft can realize fixed rotation through the second bearing, so that the clamping plate can be normally used through the rotating shaft.

The utility model provides a superposition type pressure reducing valve for hydraulic control. The superposition type pressure reducing valve for hydraulic control has the following beneficial effects:

(1) the stacked pressure reducing valve for hydraulic control can clamp the clamping plate in the clamping groove under the combined action of the protective shell, the limiting clamping block, the rod button, the rotating rod, the plate sleeve, the clamping groove, the arc-shaped sliding plate, the first spring, the rotating shaft and the clamping plate, so that the protective shell and the overflow groove are fixed, the protective shell is prevented from falling off due to long-time impact when in use, the normal use of the protective shell is ensured, the stability of the protective shell in use is improved, the possibility of falling of the protective shell is reduced, and the protective effect of the protective shell is improved;

(2) this a stack formula relief pressure valve for hydraulic control, through the crown plate, spacing slide, spring two, the connecting rod, under the combined action of arc scrubbing brush, can make annular scrubbing brush on the end cap inner wall, have certain inertia because of the spring, thereby make annular scrubbing brush can brush reciprocally on the end cap inner wall, remaining impurity cleans when rivers pass through for a long time on the end cap inner wall, prevent that impurity can pile up at the end cap inner wall, and then lead to the end cap to be blockked up, reduce device work efficiency's problem, the practicality of device has been strengthened.

Drawings

FIG. 1 is a schematic view of the overall structure of a slide shaft according to the present invention;

FIG. 2 is a schematic view of a sliding shaft of the present invention in a top view with a partial cross-sectional structure;

FIG. 3 is a front sectional view of the slide shaft and the protective housing of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of the portion B of the slider 3 according to the present invention;

FIG. 6 is a schematic cross-sectional view of a plug according to the present invention;

FIG. 7 is an enlarged view of the portion C of FIG. 6 according to the present invention.

In the figure: 1. the sliding shaft 2, the overflow groove 3, the plug 4, the liquid inlet pipe 5, the fixing mechanism 6, the cleaning mechanism 501, the protective shell 502, the limiting clamping block 503, the rod button 504, the rotating rod 505, the plate sleeve 506, the clamping groove 507, the arc-shaped sliding plate 508, the spring I509, the rotating shaft 510, the clamping plate 601, the ring plate 602, the limiting sliding plate 603, the spring II 604, the connecting rod 605 and the ring-shaped scrubbing brush.

Detailed Description

As shown in fig. 1 to 7, the present invention provides a technical solution: a superposition type pressure reducing valve for hydraulic control comprises a sliding shaft 1 and a plug 3, wherein an overflow groove 2 is formed in the sliding shaft 1, a fixing mechanism 5 is arranged in the overflow groove, a cleaning mechanism 6 is arranged in the plug 3, the cleaning mechanism 6 comprises a ring plate 601, a limiting sliding plate 602, a spring II 603, a connecting rod 604 and an annular scrubbing brush 605, the limiting sliding plate 602 is fixedly arranged on the outer wall of the ring plate 601, the limiting sliding plate 602 is in sliding connection with a limiting sliding groove formed in the inner wall of the plug 3, the ring plate 601 can realize stable sliding on the inner wall of the plug 3 through the limiting sliding plate 602 by arranging the limiting sliding plate 602, the normal use of the ring plate 601 is ensured, one end of the spring II 603 is fixedly arranged on one side of the limiting sliding plate 602, the other end of the spring II 603 is fixedly arranged on the inner wall of the limiting sliding groove formed in the inner wall of the plug 3, the ring plate 601 is enabled to pass through the limiting sliding plate 602 under the elastic and inertial effects of the spring II 603, the small-amplitude left-right movement can be realized, so that the annular scrubbing brush 605 is driven to brush on the inner wall of the plug in a reciprocating manner, one end of the connecting rod 604 is fixedly arranged on one side of the annular plate 601, the annular scrubbing brush 605 is fixedly arranged on the other end of the connecting rod 604, the annular scrubbing brush 605 is in contact with the surface of the inner wall of the plug 3, the impurities remained when water flows on the inner wall of the plug 3 pass for a long time can be cleaned by arranging the annular scrubbing brush 605, the impurities can be prevented from being accumulated on the inner wall of the plug 3, the annular scrubbing brush 605 can brush on the inner wall of the plug 3 under the combined action of the annular plate 601, the limiting sliding plate 602, the second spring 603, the connecting rod 604 and the arc scrubbing brush 605, the annular scrubbing brush 605 can brush on the inner wall of the plug 3 due to certain inertia, the annular scrubbing brush 605 can brush on the inner wall of the plug 3 in a reciprocating manner, the impurities remained when the water flows on the inner wall of the plug 3 pass for a long time can be cleaned, the impurities can be prevented from being accumulated on the inner wall of the plug 3, the plug 3 is blocked, the working efficiency of the device is reduced, and the practicability of the device is enhanced;

the fixing mechanism 5 comprises a protective shell 501, a limiting fixture block 502, a rod button 503, a rotating rod 504, a plate sleeve 505, a clamping groove 506, an arc-shaped sliding plate 507, a first spring 508, a rotating shaft 509 and a clamping plate 510, wherein the arc-shaped sliding plate 507 is fixedly arranged at the bottom end of the rod button 503, the arc-shaped sliding plate 507 is in sliding connection with a limiting arc groove arranged at the bottom end of the inner wall of the protective shell 501, the rod button 503 can drive the arc-shaped sliding plate 507 to slide in the limiting arc groove by arranging the limiting arc groove, so that the normal use of the arc-shaped sliding plate 507 is ensured, one end of the first spring 508 is fixedly arranged at one side of the arc-shaped sliding plate 507, the other end of the first spring 508 is fixedly arranged on the inner wall of the protective shell 501, the arc-shaped sliding plate 507 can slide to the original position under the reset acting force of the first spring 508, so that the rod button 503 can realize the reverse rotation, the clamping plate 510 is fixedly arranged at the top end of the rotating shaft 509, the bottom end of the rotating shaft 509 is rotatably connected with the bottom end of the inner wall of the overflow groove 2 through a second bearing, one end of the plug 3 is communicated with a liquid inlet pipe 4, the rotating shaft 509 can realize fixed rotation by arranging a second bearing, thereby ensuring that the clamping plate 510 can be normally used through the rotating shaft 509, the limiting clamping block 502 is fixedly arranged on the outer wall of the protective shell 501, the limiting clamping block 502 is clamped in a limiting clamping groove arranged on the inner wall of the overflow groove 2, the rod button 503 is fixedly arranged at the top end of the rotating rod 504, the rotating rod 504 penetrates through the bottom end of the protective shell 501, the outer wall of the rotating rod 504 is rotatably connected with the protective shell 501 through the first bearing, the plate sleeve 505 is fixedly arranged at the bottom end of the rotating rod 504, the clamping groove 506 is arranged at the bottom end of the protective shell 501, the protective shell 501 and the overflow groove 2 can be clamped in the clamping groove 506 through the protective shell 501, the limiting clamping block 502, the rod button 503, the rotating rod 504, the plate sleeve 505, the clamping groove 506, the arc-shaped sliding plate 507, the first spring 508, the rotating shaft 509 and the clamping plate 510, thereby fixing the protective shell 501 and the overflow groove 2 and preventing the protective shell 501 from being used, receive the impact to lead to droing for a long time, guarantee protecting crust 501's normal use, improve the stability of protecting crust 501 when using, reduce the possibility that protecting crust 501 drops, improve protecting crust 501's protecting effect.

When the superposition type pressure reducing valve for hydraulic control is used, firstly, a protective shell 501 is inserted into the inner wall of an overflow groove 2 through a limiting clamping block 502, the protective shell 501 slides towards the inside of the overflow groove 2, a rod button 503 is rotated, the rod button 503 drives a rotating rod 504 to rotate, the rotating rod 504 drives a plate sleeve 505 to rotate, so that the plate sleeve 505 is not positioned in a clamping groove 506 and is parallel to a slot formed at the bottom end of the protective shell 501, the rod button 503 also drives an arc-shaped sliding plate 507 to rotate, the arc-shaped sliding plate 507 compresses a first spring 508, when the protective shell 501 is completely inserted into the overflow groove 2, the plate sleeve 505 is just sleeved on the outer wall of a clamping plate 510, at the moment, the rod button 503 is loosened, the arc-shaped sliding plate 507 slides to the original position under the reset acting force of the first spring 508, so as to drive the rod button 503 to rotate reversely, the rotating rod 504 drives the plate sleeve 505 to rotate, the plate sleeve 505 drives the clamping plate 510 to rotate, so that the clamping plate 510 is clamped in the clamping groove 506, therefore, the protective shell 501 and the overflow groove 2 are fixed, the protective shell 501 is prevented from falling off due to long-time impact when in use, the normal use of the protective shell 501 is ensured, the stability of the protective shell 501 in use is improved, the possibility of falling off of the protective shell 501 is reduced, and the protective effect of the protective shell 501 is improved; when the plug 3 is in use, when water flows through the plug 3, the water flows have a transverse acting force on the ring plate 601, the water flows drive the ring plate 601 to move, the ring plate 601 stretches the second spring 603 through the limiting sliding plate 602, the ring plate 601 further drives the ring plate brush 605 to move through the connecting rod 604, so that the ring plate brush 605 brushes on the inner wall of the plug 3, and the ring plate brush 603 has certain inertia, so that the ring plate brush 605 can brush on the inner wall of the plug 3 in a reciprocating manner, and residual impurities are cleaned when the water flows on the inner wall of the plug 3 pass through for a long time, thereby preventing the impurities from accumulating on the inner wall of the plug 3, further causing the plug 3 to be blocked, reducing the working efficiency of the device and enhancing the practicability of the device.

Claims

1. A stack formula relief pressure valve for hydraulic control, including sliding shaft (1), end cap (3), its characterized in that: an overflow groove (2) is formed in the sliding shaft (1), a fixing mechanism (5) is arranged in the overflow groove, and a cleaning mechanism (6) is arranged in the plug (3);

the fixing mechanism (5) comprises a protective shell (501), a limiting clamping block (502), a rod button (503), a rotating rod (504), a plate sleeve (505), a clamping groove (506), an arc-shaped sliding plate (507), a first spring (508), a rotating shaft (509) and a clamping plate (510), wherein the limiting clamping block (502) is fixedly installed on the outer wall of the protective shell (501), the limiting clamping block (502) is clamped in the limiting clamping groove formed in the inner wall of the overflow groove (2), the rod button (503) is fixedly installed at the top end of the rotating rod (504), the rotating rod (504) penetrates through the bottom end of the protective shell (501), the outer wall of the rotating rod (504) is rotatably connected with the protective shell (501) through a first bearing, the plate sleeve (505) is fixedly installed at the bottom end of the rotating rod (504), and the clamping groove (506) is formed in the bottom end of the protective shell (501).

2. The superimposed pressure reducing valve for hydraulic control according to claim 1, wherein: the cleaning mechanism (6) comprises a ring plate (601), a limiting sliding plate (602), a second spring (603), a connecting rod (604) and an annular scrubbing brush (605), wherein the limiting sliding plate (602) is fixedly arranged on the outer wall of the ring plate (601), and the limiting sliding plate (602) is connected with a limiting sliding groove formed in the inner wall of the plug (3) in a sliding manner.

3. The superimposed pressure reducing valve for hydraulic control according to claim 2, wherein: one end of the second spring (603) is fixedly arranged on one side of the limiting sliding plate (602), and the other end of the second spring (603) is fixedly arranged on the inner wall of a limiting sliding groove formed in the inner wall of the plug (3).

4. The superimposed pressure reducing valve for hydraulic control according to claim 2, wherein: one end of the connecting rod (604) is fixedly arranged on one side of the annular plate (601), the annular scrubbing brush (605) is fixedly arranged on the other end of the connecting rod (604), and the annular scrubbing brush (605) is in contact with the surface of the inner wall of the plug (3).

5. The superimposed pressure reducing valve for hydraulic control according to claim 1, wherein: arc slide (507) fixed mounting is in pole button (503) bottom, arc slide (507) and the spacing arc groove sliding connection that protective housing (501) inner wall bottom was seted up.

6. The superimposed pressure reducing valve for hydraulic control according to claim 1, wherein: one end of the first spring (508) is fixedly arranged on one side of the arc-shaped sliding plate (507), and the other end of the first spring (508) is fixedly arranged on the inner wall of a limiting arc groove formed in the bottom end of the inner wall of the protective shell (501).

7. The superimposed pressure reducing valve for hydraulic control according to claim 1, wherein: the clamping plate (510) is fixedly installed at the top end of the rotating shaft (509), the bottom end of the rotating shaft (509) is rotatably connected with the bottom end of the inner wall of the overflow groove (2) through a second bearing, and one end of the plug (3) is communicated with a liquid inlet pipe (4).