CN221196317U

CN221196317U - Throttling groove for buffering hydraulic valve driving device

Info

Publication number: CN221196317U
Application number: CN202322647876.2U
Authority: CN
Inventors: 黄敏; 徐重民
Original assignee: Shanghai Yicun Instrument Co ltd
Current assignee: Shanghai Yicun Instrument Co ltd
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-06-21
Anticipated expiration: 2033-09-28

Abstract

The utility model discloses a throttling groove for buffering a hydraulic valve driving device, which comprises a hydraulic valve main body, wherein an installation pipe which is mutually communicated is installed at the top of the hydraulic valve main body, an L-shaped support is installed at the top of the installation pipe, adjusting rods are sleeved in the L-shaped support and the installation pipe, a plurality of groups of positioning holes are formed in one side of each adjusting rod, and the bottoms of the adjusting rods extend to the inside of the hydraulic valve main body and are provided with sealing plates; according to the utility model, through the integrated connection combination of the throttling groove plate, the mounting rod and the second conical guide block, the throttling groove plate is caused to buffer liquid in the valve body and perform primary throttling work under the elastic connection structure of the four groups of guide rods, and the liquid introduced into the throttling groove plate is caused to perform secondary throttling on the first throttling hole formed in the fixed disc according to pressure change, so that the local contraction state and stable flow rate of the flowing water in the pipeline are ensured, and the stable control of pressure difference is facilitated.

Description

Throttling groove for buffering hydraulic valve driving device

Technical Field

The utility model relates to the technical field of hydraulic valves, in particular to a throttling groove for buffering a hydraulic valve driving device.

Background

At present, a valve core of the novel hydraulic valve is provided with a throttling groove, the opening size of the throttling groove is changed by moving the valve core, so that the flow passing area of hydraulic oil is changed, according to different throttling groove forms, when the pressure drop at an inlet and an outlet of the throttling groove is constant, the flow characteristics of different throttling groove forms are different, and the applicable working conditions are different;

The utility model discloses a novel throttle groove is used in buffering of hydraulic valve drive device to grant patent number CN215890644U, the device is mainly through the first cut-off groove on the mechanism that cuts off to liquid, liquid gets into the valve body inside, carry out the secondary work of cutting off through the second cut-off groove on the case, and the mechanism that cuts off possesses different models, can change, can play better shutoff effect, through unscrewing two sets of fixing bolts, through telescopic link cooperation spring, the mechanism that cuts off outwards pops out, change the mechanism that cuts off of appointed size can, make things convenient for the dismantlement and the installation of mechanism that cuts off, make the valve body can adapt to different environment, and the effect that cuts off is better, but still have following defect when the device in-service use:

Above-mentioned patent is mainly through changing the mechanism that intercepts of different models, cooperation twice structure that intercepts, play better effect that intercepts, but when liquid carries out buffering and intercepts the work, often carry out local contraction through setting up throttling groove or orifice to liquid reposition of redundant personnel, thereby control its velocity of flow and pressure differential, but the pressure of liquid is difficult to control, throttling groove's inner structure is difficult to adjust according to the change of pressure, thereby result in the liquid to intercept in the downthehole local resistance inequality, reduce the throttle efficiency of fluid, and along with the increase of pressure, the reposition of redundant personnel rate of liquid is relatively poor, influence the normal flow of liquid, reduce the efficiency of liquid throttle control.

Disclosure of utility model

The present utility model is directed to providing a throttling groove for buffering a hydraulic valve driving device, so as to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hydraulic valve drive arrangement buffering is with throttling groove, includes hydraulic valve main part, its characterized in that: the top of the hydraulic valve main body is provided with an installation pipe which is mutually communicated, the top of the installation pipe is provided with an L-shaped support, the L-shaped support and the inside of the installation pipe are sleeved with an adjusting rod, one side of the adjusting rod is provided with a plurality of groups of positioning holes, the bottom of the adjusting rod extends to the inside of the hydraulic valve main body and is provided with a sealing plate, the bottom of one side of the L-shaped support is sleeved with a positioning bolt, and the positioning bolt is in threaded fit with the positioning holes;

The middle position inside the hydraulic valve main body is provided with a first conical guide block and a flow distribution disc arranged outside the first conical guide block respectively, the flow distribution disc is arranged in a staggered manner on the vertical surface of the sealing plate and is in sealing fit with the vertical surface of the sealing plate, the edge of one side of the hydraulic valve main body is provided with four groups of sleeves, and the interiors of the four groups of sleeves are respectively sleeved with a guide rod and a spring which is elastically connected with the guide rod;

The throttle groove plate is installed to one side of four groups the guide arm, the fixed disk is installed to one side of the inside of hydrovalve main part, the pipe is installed to intermediate position department of fixed disk one side, the inboard cover of fixed disk and pipe is equipped with sliding connection's second taper guide block, and installs interconnect's installation pole between second taper guide block and the throttle groove plate, first orifice has evenly been seted up to the inside edge of fixed disk, the second orifice has evenly been seted up to the edge in the pipe outside.

Preferably, the conical guide block is arranged at one end of the front face of the flow distribution disc, the sealing plate is arranged at one end of the back face of the flow distribution disc, the sealing plate is matched with the uniformly arranged flow distribution holes in the inner edge of the flow distribution disc in a sealing mode, and the sealing plate and the flow distribution disc are arranged in a staggered mode conveniently to enable the structure to be adjusted in a sealing mode.

Preferably, one side in the positioning bolt outside is equipped with the screw thread section, the screw thread section of positioning bolt is the fixed cooperation of helicitic texture with the locating hole, adjust the pole and let one of them a set of locating hole and the unanimous positioning bolt locking of horizontal plane fix through high regulation, be convenient for utilize the location of structure to adjust the height of adjusting the pole and fix the locking.

Preferably, the throttle groove plate is connected with the mounting rod and the second conical guide block in an integrated structure respectively, the second conical guide block horizontally slides on the inner side of the guide pipe, the structure is driven to horizontally displace under the elastic action, and the vibration with larger pressure is relieved.

Preferably, the fixed disk is fixedly arranged in the inner wall of the hydraulic valve main body, so that the stability of the split flow of the liquid is promoted, and the pressure is reduced.

Preferably, the top on the outer side of the adjusting rod and one side on the outer side of the positioning bolt are provided with rotating handles, and the outer sides of the rotating handles are provided with anti-skid patterns, so that the operability of the parts is improved.

The throttling groove for buffering the hydraulic valve driving device provided by the utility model at least comprises the following beneficial effects:

1. Through the integrated connection combination of the throttle groove plate, the mounting rod and the second conical guide block, the throttle groove plate is driven to buffer and throttle the liquid in the valve body at one time under the elastic connection structure of the four groups of guide rods, the liquid introduced in the throttle groove plate is driven to throttle the liquid at the second time according to the pressure change in the first throttling hole formed in the fixed disc, so that the local contraction state and the stable flow rate of the flowing water in the pipeline are ensured, the stable control of the pressure difference is facilitated, when the pressure is overlarge, the second conical guide block is utilized to contract in the guide pipe to open a plurality of groups of second throttling holes, so that the liquid can be efficiently shunted under the matching of the opening of the plurality of groups of fixed discs and the second throttling holes, the throttling effect of the liquid is further improved, the throttling effect of the liquid is automatically adjusted according to the pressure change, and the buffering effect and the throttling effect of the structure on the liquid pressure are improved.

2. Utilize to adjust the structural adjustment that the pole drove the shrouding, easily expand shrouding and seal to flow distribution plate and first toper guide block, make the liquid of flow distribution plate reposition of redundant personnel easily control, utilize the altitude mixture control of adjusting the pole simultaneously, make the shrouding according to the demand to flow distribution structure department local closure of flow distribution plate, and then carry out manual regulation according to the throttle demand, increase the outside control function of staff, improve the inside throttle control work's of valve body operability and convenience.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure A of FIG. 2 according to the present utility model;

fig. 4 is a perspective view of the fixing plate of the present utility model.

In the figure: 1. a hydraulic valve body; 2. installing a pipe; 3. positioning bolts; 4. an L-shaped support; 5. an adjusting rod; 6. a diverter tray; 7. a first tapered guide block; 8. a sealing plate; 9. positioning holes; 10. a sleeve; 11. a spring; 12. a guide rod; 13. a throttle groove plate; 14. a mounting rod; 15. a second tapered guide block; 16. a fixed plate; 17. a first orifice; 18. a conduit; 19. a second orifice.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, embodiments of the present utility model are provided: the throttling groove for buffering the hydraulic valve driving device comprises a hydraulic valve main body 1, wherein an installation pipe 2 which is mutually communicated is installed at the top of the hydraulic valve main body 1, an L-shaped support 4 is installed at the top of the installation pipe 2, an adjusting rod 5 is sleeved inside the L-shaped support 4 and the installation pipe 2, a plurality of groups of positioning holes 9 are formed in one side of the adjusting rod 5, the bottom of the adjusting rod 5 extends to the inside of the hydraulic valve main body 1 and is provided with a sealing plate 8, a positioning bolt 3 is sleeved at the bottom of one side of the L-shaped support 4, the positioning bolt 3 is in threaded fit with the positioning holes 9, a rotating handle is arranged at the top of the outer side of the adjusting rod 5 and one side of the outer side of the positioning bolt 3, anti-skid threads are formed in the outer side of the rotating handle, and the operability of a component is improved;

The middle position inside the hydraulic valve main body 1 is respectively provided with a first conical guide block 7 and a flow distribution disc 6 arranged outside the first conical guide block 7, the flow distribution disc 6 and a vertical surface of the sealing plate 8 are arranged in a staggered mode and are in sealing fit, the edge of one side of the hydraulic valve main body 1 is provided with four groups of sleeves 10, and the interiors of the four groups of sleeves 10 are respectively sleeved with a guide rod 12 and a spring 11 which is elastically connected with the guide rod 12;

A throttle groove plate 13 is arranged on one side of each of the four groups of guide rods 12, a fixed disc 16 is arranged on one side of the inside of the hydraulic valve main body 1, a guide pipe 18 is arranged at the middle position of one side of the fixed disc 16, a second conical guide block 15 which is in sliding connection is sleeved on the inner sides of the fixed disc 16 and the guide pipe 18, an installation rod 14 which is connected with each other is arranged between the second conical guide block 15 and the throttle groove plate 13, a first throttling hole 17 is uniformly formed in the edge of the inside of the fixed disc 16, a second throttling hole 19 is uniformly formed in the edge of the outer side of the guide pipe 18, the throttle groove plate 13 is respectively connected with the installation rod 14 and the second conical guide block 15 in an integrated structure, the second conical guide block 15 horizontally slides on the inner side of the guide pipe 18, the structure is driven to horizontally displace under the elastic action, and vibration with large pressure is relieved;

The fixed disk 16 is fixedly installed in the inner wall of the hydraulic valve main body 1, promotes the stability of the split flow of the liquid, and reduces the pressure.

In embodiment 1, as shown in fig. 1-2, the first tapered guide block 7 is installed at one end of the front side of the diverter tray 6, the sealing plate 8 is disposed at one end of the back side of the diverter tray 6, the sealing plate 8 is in close fit with the evenly opened diverter holes at the inner edge of the diverter tray 6, and the installation of the diverter tray 6 and the first tapered guide block 7 promotes the third throttling effect of the liquid at the circulation position of the center of the valve body, so that the diversion of the liquid is more stable, and the stability of the flowing pressure of the liquid is promoted.

In embodiment 2, as shown in fig. 1-2, a threaded section is arranged on one side of the outer side of the positioning bolt 3, the threaded section of the positioning bolt 3 is fixedly matched with the positioning hole 9 in a threaded structure, the positioning bolt 3 with one group of positioning holes 9 consistent with the horizontal plane is locked and fixed by the adjusting rod 5 through height adjustment, the positioning bolt 3 is locked and fixed with the positioning hole 9 formed in the adjusting rod 5 with the height adjusted through installation and setting of the threaded section, so that the sealing plate 8 below the adjusting rod 5 is kept in a vertical state, the flow distribution disc 6 is sealed according to the appointed requirement, a flow distribution pore canal is reserved, and the throttling work of liquid is manually controlled.

Working principle: the hydraulic valve driving device is arranged in the throttling groove for buffering;

When the hydraulic valve driving device is subjected to buffering throttling operation, the elastic buffering structures of the four groups of sleeves 10, the springs 11 and the guide rods 12 are utilized, the throttling groove plate 13 which is connected with the guide rods 12 is convenient to elastically relieve according to the pressure of liquid, meanwhile, the liquid is throttled under the primary throttling of the throttling groove plate 13, then the throttling groove plate 13, the mounting rod 14 and the second conical guide block 15 are driven to slide on the inner side of the guide tube 18 according to pressure conversion, so that the structure is suitable for the liquid flow rate with overlarge pressure, the liquid is throttled secondarily at the first throttling holes 17 in the multiple groups of fixed plates 16 and the second throttling holes 19 on the outer side of the guide tube 18, the pressure with overlarge pressure is effectively and locally contracted, the liquid flow rate is stable, the throttling effect is better, the sealing plate 8 is driven to be closed and adjusted at the three throttling positions of the flow dividing plate 6 through the adjusting rod 5, the flow dividing plate 6 is fully unfolded and partially unfolded according to manual control of pressure conversion, the positioning bolt 3 is used for positioning the side of the adjusting rod 5 after the designated height adjustment, the positioning holes 9 are opened, the positioning efficiency of the positioning rod is improved, the stability of the positioning efficiency of the liquid is improved, and the stable positioning efficiency is improved, and the stability of the positioning efficiency is improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used merely for convenience in describing the present utility model and to simplify the description by referring to the figures, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms connected and connected are to be construed broadly, and may be, for example, fixed or removable; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Claims

1. The utility model provides a hydraulic valve drive device buffering is with throttling groove, includes hydraulic valve main part (1), its characterized in that: the hydraulic valve is characterized in that an installation pipe (2) which is mutually communicated is installed at the top of the hydraulic valve main body (1), an L-shaped support (4) is installed at the top of the installation pipe (2), an adjusting rod (5) is sleeved inside the L-shaped support (4) and the installation pipe (2), a plurality of groups of positioning holes (9) are formed in one side of the adjusting rod (5), the bottom of the adjusting rod (5) extends to the inside of the hydraulic valve main body (1) and is provided with a sealing plate (8), a positioning bolt (3) is sleeved at the bottom of one side of the L-shaped support (4), and the positioning bolt (3) is in threaded fit with the positioning holes (9);

The novel hydraulic valve is characterized in that a first conical guide block (7) and a flow distribution disc (6) arranged on the outer side of the first conical guide block (7) are respectively arranged at the middle position inside the hydraulic valve main body (1), the flow distribution disc (6) and a sealing plate (8) are arranged in a staggered mode and are in sealing fit, four groups of sleeves (10) are arranged at the edge of one side of the hydraulic valve main body (1), and guide rods (12) and springs (11) connected with the guide rods (12) in an elastic mode are sleeved in the four groups of sleeves (10) respectively;

the throttle groove plate (13) is installed to one side of four groups guide arm (12), fixed disk (16) are installed to one side of the inside of hydrovalve main part (1), pipe (18) are installed to intermediate position department of fixed disk (16) one side, the inboard cover of fixed disk (16) and pipe (18) is equipped with sliding connection's second taper guide block (15), and installs interconnect's installation pole (14) between second taper guide block (15) and throttle groove plate (13), first orifice (17) have evenly been seted up to the inside edge of fixed disk (16), second orifice (19) have evenly been seted up to the edge in the outside of pipe (18).

2. The throttle groove for buffering a hydraulic valve driving apparatus according to claim 1, wherein: the first conical guide block (7) is arranged at one end of the front face of the flow distribution disc (6), the sealing plate (8) is arranged at one end of the back face of the flow distribution disc (6), and the sealing plate (8) is in sealing fit with the uniformly arranged flow distribution holes at the inner edge of the flow distribution disc (6).

3. The throttle groove for buffering a hydraulic valve driving apparatus according to claim 1, wherein: one side in the outside of positioning bolt (3) is equipped with the screw thread section, the screw thread section of positioning bolt (3) is screw thread structure fixed cooperation with locating hole (9), adjust pole (5) and let one of them a set of locating hole (9) and the unanimous positioning bolt (3) locking of horizontal plane fix through high regulation.

4. The throttle groove for buffering a hydraulic valve driving apparatus according to claim 1, wherein: the throttle groove plate (13) is respectively connected with the mounting rod (14) and the second conical guide block (15) in an integrated structure, and the second conical guide block (15) horizontally slides on the inner side of the guide pipe (18).

5. The throttle groove for buffering a hydraulic valve driving apparatus according to claim 1, wherein: the fixed disk (16) is fixedly arranged in the inner wall of the hydraulic valve main body (1).

6. The throttle groove for buffering a hydraulic valve driving apparatus according to claim 1, wherein: the top of the outer side of the adjusting rod (5) and one side of the outer side of the positioning bolt (3) are provided with rotating handles, and the outer sides of the rotating handles are provided with anti-skid patterns.