CN214699221U

CN214699221U - Mechanical direct-acting type sealed hydraulic valve structure

Info

Publication number: CN214699221U
Application number: CN202120515805.5U
Authority: CN
Inventors: 毛多峰
Original assignee: Nathanwick High Pressure Oil Pump Hunan Co ltd
Current assignee: Nathanwick High Pressure Oil Pump Hunan Co ltd
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-11-12
Anticipated expiration: 2031-03-11

Abstract

The utility model discloses a sealed hydrovalve structure of machinery direct action type, which comprises a valve seat, disk seat top surface rigid coupling sealed storehouse, sealed storehouse top surface rigid coupling hydraulic pressure storehouse, hydraulic pressure storehouse top surface rigid coupling transmission storehouse, the inside sliding connection slave piston in hydraulic pressure storehouse, the inside slave piston top position sliding connection initiative piston that is located in hydraulic pressure storehouse, the rigid coupling sleeve pipe is put to the bottom central point in the transmission storehouse, initiative piston top rigid coupling power rod bottom, the power rod top is located the cover intraductally, top surface rigid coupling motor in the transmission storehouse, motor shaft department rigid coupling rim plate, rim plate side rigid coupling projection. The utility model discloses a motor carries out the transmission, and the maintenance difficulty that installation piping leads to and the higher condition of maintenance cost when having avoided using the cylinder pass through connecting rod mode transmission simultaneously, and the location is accurate, can not appear the piston and remove to the phenomenon that the tip takes place to rock, and the closure is more firm, and practical value is high.

Description

Mechanical direct-acting type sealed hydraulic valve structure

Technical Field

The utility model relates to a hydrovalve power equipment technical field specifically is a sealed hydrovalve structure of mechanical direct action type.

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. The hydraulic valve is usually used for oil circuits of clamping, controlling, lubricating and the like, the hydraulic valve needs to be opened and closed through the reciprocating motion of a valve rod, the conventional direct-acting hydraulic valve control device has a manual control mode and a mechanical control mode, the manual mode is mainly controlled by mechanical transmission due to low automation degree, and the conventional mechanical direct-acting hydraulic valve has the following defects in use:

most of current mechanical hydraulic valves use cylinders or screw rod transmission, air pressure is needed during cylinder driving, air distribution pipes connected to a valve body are needed, the distribution pipe maintenance cost is high, efficiency is low, the screw rod transmission is inaccurate in position when a piston moves due to the fact that a gap exists between a screw rod and a nut, the phenomenon that the piston shakes can be generated, and use is not facilitated.

To this end we propose a mechanically direct acting sealed hydraulic valve structure to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed hydrovalve structure of mechanical direct action type 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: the utility model provides a sealed hydrovalve structure of machinery direct action type, includes the disk seat, disk seat top surface rigid coupling sealed storehouse, sealed storehouse top surface rigid coupling hydraulic pressure storehouse, hydraulic pressure storehouse top surface rigid coupling transmission storehouse, the inside sliding connection slave piston in hydraulic pressure storehouse, the inside slave piston top position sliding connection initiative piston that is located in hydraulic pressure storehouse, the rigid coupling sleeve pipe is put to bottom central point in the transmission storehouse, initiative piston top rigid coupling power rod bottom, the power rod top is located the sleeve pipe, top surface rigid coupling motor in the transmission storehouse, motor shaft department rigid coupling rim plate, rim plate side rigid coupling projection, the projection rotates and connects connecting rod one end, the connecting rod other end rotates and connects the power rod top.

Preferably, the bottom surface of the driven piston is fixedly connected with a valve rod, the bottom end of the valve rod penetrates through a sealing bin, is positioned in a valve seat and is fixedly connected with a valve block, the inner side wall of the sealing bin is fixedly connected with a plurality of sealing fillers, the sealing fillers contact the valve rod, a fixing ring is fixedly connected between the driving piston and the driven piston in the hydraulic bin, the bottom surface of the fixing ring is fixedly connected with one end of a spring, and the other end of the spring is fixedly connected with the top surface of the driven piston.

Preferably, a main flow passage, a first flow passage and a second flow passage are arranged in the valve seat, the main flow passage, the first flow passage and the second flow passage are communicated with each other, and the outer side surface of the valve seat is fixedly connected with a connecting ring opening corresponding to the opening parts of the main flow passage, the first flow passage and the second flow passage.

Preferably, a first notch is formed in the top end of the power rod, the end portion of the connecting rod is located in the first notch, and second notches are formed in the two sides of the sleeve corresponding to the first notch.

Preferably, the lateral wall intercommunication oil filler hole outside the hydraulic pressure storehouse, the sealed piece of pegging graft in the oil filler hole, the screw thread through-hole is seted up to sealed piece top surface, the oil filler hole corresponds screw thread through-hole position and sets up the screw hole, screw thread through-hole and screw hole threaded connection screw thread post, sealed piece is located the inside lateral surface position rigid coupling sealing washer of oil filler hole, the seal groove is seted up to the oil filler hole medial surface, the joint sealing washer in the seal groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a motor carries out the transmission, and the maintenance difficulty that installation piping leads to and the higher condition of maintenance cost when having avoided using the cylinder pass through connecting rod mode transmission simultaneously, and the location is accurate, can not appear the piston and remove to the phenomenon that the tip takes place to rock, and the closure is more firm, and practical value is high.

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 view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is the explosion structure diagram of the middle power rod and the sleeve.

In the figure: 1 valve seat, 2 sealed cabins, 3 hydraulic cabins, 4 transmission cabins, 5 main flow channels, 6 first flow channels, 7 second flow channels, 8 driven pistons, 9 valve rods, 10 valve blocks, 11 driving pistons, 12 power rods, 13 sleeves, 14 motors, 15 wheel discs, 16 connecting rods, 17 fixing rings, 18 springs, 19 convex columns, 20 sealing fillers, 21 oil filling ports, 22 sealing blocks, 23 sealing rings, 24 sealing grooves, 25 threaded through holes, 26 threaded through holes, 27 threaded columns, 28 first notches, 29 second notches and 30 connecting ring ports.

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. 1-4, the present invention provides a technical solution: the utility model provides a sealed hydrovalve structure of machinery direct action type, including

disk seat

1, 1 top surface rigid coupling seal chamber 2 of disk seat, 2 top surface rigid coupling hydraulic pressure storehouses 3 of seal chamber, 3 top surface rigid coupling transmission storehouses 4 in hydraulic pressure storehouse, 3 inside sliding connection slave piston 8 in hydraulic pressure storehouse, 3 inside lieing in slave piston 8 top position sliding connection initiative piston 11 in hydraulic pressure storehouse, 4 bottom central point in transmission storehouse put rigid coupling sleeve pipe 13, initiative piston 11 top rigid coupling power pole 12 bottoms, 12 tops of power pole are located sleeve pipe 13, top surface rigid coupling motor 14 in the transmission storehouse 4, 14 pivot department rigid coupling rim plate 15 of motor, 15 side rigid coupling projections 19 of rim plate, 16 one ends of connecting rod are connected in the rotation of

projections

19, 16 other ends of connecting rod rotate and connect 12 tops of power pole.

As shown in fig. 2, the bottom surface of the driven piston 8 is fixedly connected with a valve rod 9, the bottom end of the valve rod 9 penetrates through the sealing bin 2 to be positioned in the valve seat 1 and fixedly connected with a valve block 10, the inner side wall of the sealing bin 2 is fixedly connected with a plurality of sealing fillers 20, the sealing fillers 20 contact with the valve rod 9, a fixing ring 17 is fixedly connected between the driving piston 11 and the driven piston 8 in the hydraulic bin 3, the bottom surface of the fixing ring 17 is fixedly connected with one end of a spring 18, and the other end of the spring 18 is fixedly connected with the top surface of the driven piston 8.

As shown in fig. 2, a main flow channel 5, a first flow channel 6 and a second flow channel 7 are formed in the valve seat 1, the main flow channel 5, the first flow channel 6 and the second flow channel 7 are communicated with each other, and a connection ring opening 30 is fixedly connected to the outer side surface of the valve seat 1 corresponding to the openings of the main flow channel 5, the first flow channel 6 and the second flow channel 7.

As shown in FIG. 4, a first notch 28 is formed at the top end of the power rod 12, the end of the connecting rod 16 is positioned in the first notch 28, and second notches 29 are formed at two sides of the sleeve 13 corresponding to the positions of the first notch 28.

As shown in FIG. 3, the outer side wall of the hydraulic chamber 3 is communicated with the oil filling port 21, a sealing block 22 is inserted into the oil filling port 21, the top surface of the sealing block 22 is provided with a threaded through hole 25, the oil filling port 21 is provided with a threaded hole 26 corresponding to the threaded through hole 25, the threaded through hole 25 and the threaded hole 26 are connected with a threaded column 27 in a threaded manner, the sealing block 22 is fixedly connected with a sealing ring 23 at the outer side surface position inside the oil filling port 21, the inner side surface of the oil filling port 21 is provided with a sealing groove 24, and the sealing ring 23 is clamped in the sealing groove 24.

The working principle is as follows: the utility model discloses when using, drive the connecting rod through the motor and make power pole reciprocating motion, and then make the initiative piston slide, make driven piston drive valve block remove through the hydraulic oil effect, accomplish opening and closing of valve. The utility model discloses a motor carries out the transmission, and the maintenance difficulty that installation piping leads to and the higher condition of maintenance cost when having avoided using the cylinder pass through connecting rod mode transmission simultaneously, and the location is accurate, can not appear the piston and remove to the phenomenon that the tip takes place to rock, and the closure is more firm, and practical value is high.

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

1. The utility model provides a sealed hydrovalve structure of mechanical direct action type, includes disk seat (1), its characterized in that: the top surface of the valve seat (1) is fixedly connected with a sealing bin (2), the top surface of the sealing bin (2) is fixedly connected with a hydraulic bin (3), the top surface of the hydraulic chamber (3) is fixedly connected with a transmission chamber (4), the interior of the hydraulic chamber (3) is connected with a driven piston (8) in a sliding way, the interior of the hydraulic chamber (3) is positioned above the driven piston (8) and is connected with a driving piston (11) in a sliding way, a sleeve (13) is fixedly connected at the center of the bottom end in the transmission bin (4), the top end of the driving piston (11) is fixedly connected with the bottom end of a power rod (12), the top end of the power rod (12) is positioned in the sleeve (13), the inner top surface of the transmission bin (4) is fixedly connected with a motor (14), a rotary shaft of the motor (14) is fixedly connected with a wheel disc (15), the side surface of the wheel disc (15) is fixedly connected with a convex column (19), the convex column (19) is rotatably connected with one end of a connecting rod (16), and the other end of the connecting rod (16) is rotatably connected with the top end of the power rod (12).

2. The mechanically direct acting sealed hydraulic valve arrangement of claim 1, wherein: driven piston (8) bottom surface rigid coupling valve rod (9), valve rod (9) bottom is passed sealed storehouse (2) and is located disk seat (1) and rigid coupling valve block (10), a plurality of sealing filler (20) of sealed storehouse (2) inside wall rigid coupling, sealing filler (20) contact valve rod (9), lie in the solid fixed ring (17) of position rigid coupling between initiative piston (11) and driven piston (8) in hydraulic pressure storehouse (3), gu fixed ring (17) bottom surface rigid coupling spring (18) one end, spring (18) other end rigid coupling driven piston (8) top surface.

3. The mechanically direct acting sealed hydraulic valve arrangement of claim 1, wherein: the improved valve is characterized in that a main flow channel (5), a first flow channel (6) and a second flow channel (7) are arranged in the valve seat (1), the main flow channel (5), the first flow channel (6) and the second flow channel (7) are communicated with each other, and the outer side face of the valve seat (1) corresponds to the opening parts of the main flow channel (5), the first flow channel (6) and the second flow channel (7) and is fixedly connected with a connecting ring opening (30).

4. The mechanically direct acting sealed hydraulic valve arrangement of claim 1, wherein: the top end of the power rod (12) is provided with a first notch (28), the end part of the connecting rod (16) is positioned in the first notch (28), and two sides of the sleeve (13) are provided with second notches (29) corresponding to the positions of the first notch (28).

5. The mechanically direct acting sealed hydraulic valve arrangement of claim 1, wherein: hydraulic pressure storehouse (3) lateral wall intercommunication oil filler hole (21), interpolation joint sealing block (22) in oil filler hole (21), screw thread through-hole (25) are seted up to sealing block (22) top surface, screw thread hole (26) are seted up to oil filler hole (21) corresponding screw thread through-hole (25) position, screw thread through-hole (25) and screw thread hole (26) threaded connection screw thread post (27), sealing block (22) are located oil filler hole (21) inside lateral surface position rigid coupling sealing washer (23), seal groove (24) are seted up to oil filler hole (21) medial surface, joint sealing washer (23) in seal groove (24).