CN214197273U

CN214197273U - Erosion-resistant electric valve

Info

Publication number: CN214197273U
Application number: CN202022405888.0U
Authority: CN
Inventors: 于田; 于辉
Original assignee: Henan Shangdie Valve Co ltd
Current assignee: Henan Shangdie Valve Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-09-14
Anticipated expiration: 2030-10-27

Abstract

The utility model relates to the technical field of electric valves, in particular to an erosion-resistant electric valve, which comprises a valve body, a high-pressure spray nozzle, a driving box, a fixed baffle plate and a valve clack, wherein a plurality of high-pressure spray nozzles are arranged outside the valve body, a valve cover is arranged on the top of the valve body, the driving box is arranged above the valve cover, a support rod is arranged between the bottom of the driving box and the top of the valve cover, a driving box cover is arranged on the top of the driving box, one side of the driving box cover is provided with a driving motor, the output end of the driving motor penetrates through the side wall of the driving box and is fixedly connected with a worm through a shaft coupling, the valve clack of the whole electric valve is made of overlay welding wear-resistant alloy, has higher hardness and wear-resistant performance, can improve the erosion-resistant damage capability of the valve, and pushes the valve clack downwards under the action of the elasticity of a spring, and the volume of an annular clamping block is smaller than the space volume of an annular clamping groove, the annular clamping block is arranged in the annular clamping groove, the O-shaped sealing ring is extruded, the sealing effect is improved, and leakage is avoided when the valve is closed.

Description

Erosion-resistant electric valve

Technical Field

The utility model relates to an electric valve technical field specifically is an erosion-resistant electric valve.

Background

The electric valve has larger action moment than that of a common valve, adjustable opening and closing action speed, simple structure and easy maintenance, can be used for controlling the flow of various types of fluid such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and is generally composed of an electric actuating mechanism and a valve. The electric valve uses electric energy as power to drive the valve through the electric actuating mechanism, realizes the opening and closing action of the valve, and achieves the opening and closing purpose of a pipeline medium.

The erosion resistance of the existing electric valve is poor, the valve clack is easily eroded and damaged after the valve is used for a period of time, the service life is shortened, particle impurities in liquid are easily retained in the sealing clamping groove, the valve clack and the sealing ring are abraded when the valve is closed, the sealing effect is reduced, and therefore the erosion resistance electric valve is required to improve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an erosion-resistant electric valve 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:

an erosion-resistant electric valve comprises a valve body, high-pressure nozzles, a driving box, a fixed baffle plate and a valve clack, wherein a plurality of high-pressure nozzles are installed on the outer side of the valve body, the valve cover is installed at the top of the valve body, the driving box is arranged above the valve cover, a supporting rod is installed between the bottom of the driving box and the top of the valve cover, a driving box cover is installed at the top of the driving box, a driving motor is arranged on one side of the driving box cover, the output end of the driving motor penetrates through the side wall of the driving box and is fixedly connected with a worm through a coupler, a worm wheel is meshed and connected onto the worm, a threaded sleeve is installed at the bottom of the worm wheel, one end, away from the worm wheel, of the threaded sleeve penetrates through the bottom of the driving box and is in threaded connection with a threaded valve rod, one end, away from the threaded sleeve, of the threaded valve rod penetrates through the valve cover and is fixedly connected with the fixed baffle plate, four connecting rods are installed at the bottom of the fixed baffle plate, the improved valve is characterized in that a valve clack is arranged below the fixed baffle plate, four grooves corresponding to the positions of the connecting rods are formed in the top of the valve clack, sliding grooves are formed in the two sides of each groove, the bottom ends of the connecting rods are inserted into the grooves in a sleeved mode, sliding blocks connected with the sliding grooves in a sliding mode are arranged on the two sides of the bottom end of each connecting rod, springs are installed between the bottom of each connecting rod and the bottom end of each groove, annular clamping blocks are installed at the bottom of the valve clack, annular clamping grooves corresponding to the positions of the annular.

Preferably, the driving box cover is fixedly connected with the driving box through bolts.

Preferably, driving motor passes through motor mounting panel and drive case fixed connection, driving motor's one end is kept away from to the worm passes through the bearing with the drive case and rotates and be connected, threaded sleeve is equipped with the bearing with the drive case junction.

Preferably, the high-pressure sprayer is arranged in an inclined mode, the nozzle end faces the annular clamping groove, and the other end of the high-pressure sprayer is connected with an external air source through an air conveying pipe.

Preferably, the valve flap is made of surfacing wear-resistant alloy.

Preferably, the volume of the annular clamping block is smaller than the space volume of the annular clamping groove.

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

1. in the utility model, the material of the valve clack is surfacing wear-resistant alloy, which has higher hardness and wear resistance, can improve the erosion-resistant damage capability of the valve, improve the service life, the high-pressure spray head is arranged obliquely, the nozzle end faces the annular clamping groove, the other end of the high-pressure spray head is connected with an external air source through a gas pipe, the high-pressure spray head can clean the particle impurities in the annular clamping groove, when the valve clack is prevented from being closed, the valve clack and the O-shaped sealing ring are abraded, the sliding block arranged on the two sides of the bottom end of the connecting rod is connected with the sliding groove in a sliding way, a spring is arranged between the bottom end of the connecting rod and the bottom end in the groove, the valve clack is pushed downwards under the elastic action of the spring, the volume of the annular clamping block is smaller than the space volume of the annular clamping groove, the annular clamping block is arranged in the annular clamping groove, the O-shaped sealing ring is extruded, and the sealing effect is improved, the leakage when avoiding the valve to close, the practicality is higher.

2. The utility model discloses in, pass through bolt fixed connection through the drive case lid that sets up and drive case, convenient to detach and installation drive case lid, the maintenance is maintained to the drive assembly of drive incasement portion to the convenience, improves the efficiency of maintaining the maintenance, guarantees the steady operation of valve.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is an enlarged schematic view of the structure of the area a of the present invention.

In the figure: 1-valve body, 2-high pressure nozzle, 3-valve cover, 4-support rod, 5-drive motor, 6-drive box, 7-threaded sleeve, 8-threaded valve rod, 9-drive box cover, 10-worm, 11-worm wheel, 12-fixed baffle, 13-valve clack, 14-annular clamping block, 15-annular clamping groove, 16-O type sealing ring, 17-connecting rod, 18-sliding groove, 19-sliding block, 20-groove and 21-spring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

an erosion-resistant electric valve comprises a valve body 1, high-pressure nozzles 2, a driving box 6, a fixed baffle 12 and a valve clack 13, wherein a plurality of high-pressure nozzles 2 are installed on the outer side of the valve body 1, the high-pressure nozzles 2 are obliquely arranged, the top of the valve body 1 is provided with a valve cover 3, the upper part of the valve cover 3 is provided with the driving box 6, a support rod 4 is installed between the bottom of the driving box 6 and the top of the valve cover 3, the top of the driving box 6 is provided with a driving box cover 9, the driving box cover 9 is fixedly connected with the driving box 6 through bolts, one side of the driving box cover 9 is provided with a driving motor 5, the driving motor 5 is fixedly connected with the driving box 6 through a motor mounting plate, the output end of the driving motor 5 penetrates through the side wall of the driving box 6 and is fixedly connected with a worm 10 through a coupler, one end of the worm 10, which is far away from the driving motor 5, is rotatably connected with a worm wheel 11 through a bearing, the bottom of the worm wheel 11 is provided with a threaded sleeve 7, a bearing is arranged at the joint of the threaded sleeve 7 and the drive box 6, one end of the threaded sleeve 7, far away from the worm wheel 11, penetrates through the bottom of the drive box 6 and is in threaded connection with a threaded valve rod 8, one end of the threaded valve rod 8, far away from the threaded sleeve 7, penetrates through the valve cover 3 and is fixedly connected with a fixed baffle 12, four connecting rods 17 are arranged at the bottom of the fixed baffle 12, a valve flap 13 is arranged below the fixed baffle 12, the valve flap 13 is made of overlay welding wear-resistant alloy, four grooves 20 corresponding to the positions of the connecting rods 17 are formed in the top of the valve flap 13, sliding grooves 18 are formed in two sides of each groove 20, the bottom ends of the connecting rods 17 are inserted into the grooves 20, sliding blocks 19 in sliding connection with the sliding grooves 18 are arranged on two sides of the bottom end of the connecting rod 17, a spring 21 is arranged between the bottom of each groove 20, an annular clamping block 14 is arranged at the bottom of the valve flap 13, and an annular clamping groove 15 corresponding to the position of the annular clamping block 14 is formed in the inner wall of the valve body 1, the volume of the annular clamping block 14 is smaller than the space volume of the annular clamping groove 15, the nozzle end of the high-pressure spray head 2 faces the annular clamping groove 15, the other end of the high-pressure spray head 2 is connected with an external air source through an air conveying pipe, and an O-shaped sealing ring 16 is arranged inside the annular clamping groove 15.

The utility model discloses work flow: when in use, the worm 10 is driven to rotate by the driving motor 5, the worm wheel 11 which is connected in a meshing way is enabled to rotate, the valve clack 13 is driven to move up and down by the threaded connection of the threaded valve rod 8 and the threaded sleeve 7, the valve is opened and closed, the arranged valve clack 13 is made of surfacing wear-resistant alloy, the valve has higher hardness and wear resistance, the erosion damage resistance of the valve can be improved, the high-pressure spray head 2 is obliquely arranged, the nozzle end faces the annular clamping groove 15, the other end of the high-pressure spray head 2 is connected with an external air source through an air pipe, particle impurities in the annular clamping groove 15 can be cleaned through the high-pressure spray head 2, the valve clack 13 and an O-shaped sealing ring (16) are prevented from being worn when the valve clack 13 is closed, the sliding connection is realized through the sliding blocks 19 arranged on two sides of the bottom end of the connecting rod (17) and the bottom end in the groove 20, and the spring 21 is arranged between the bottom end of the connecting rod (17 bottom end and the bottom end in the groove 20, under spring 21's elasticity effect, promote valve clack 13 downwards, the volume through annular fixture block 14 is less than annular clamping groove 15's space volume, make annular fixture block 14 arrange annular clamping groove 15 in, and extrude O type sealing washer 16, improve sealed effect, the seepage when avoiding the valve closure, drive case lid 9 through setting up passes through bolt fixed connection with drive case 6, convenient to detach and installation drive case lid 9, the maintenance is maintained to the drive assembly of drive case 6 inside to the convenience, the efficiency of maintaining the maintenance is improved, guarantee the steady operation of valve.

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 an erosion-resistant electric valve, includes valve body (1), high pressure nozzle (2), drive case (6), fixed stop (12) and valve clack (13), its characterized in that: a plurality of high pressure nozzle (2) are installed in valve body (1) outside, valve gap (3) are installed at valve body (1) top, valve gap (3) top is equipped with drive case (6), install bracing piece (4) between drive case (6) bottom and valve gap (3) top, drive case lid (9) are installed at drive case (6) top, drive case lid (9) one side is equipped with driving motor (5), the output of driving motor (5) runs through drive case (6) lateral wall and passes through shaft coupling fixedly connected with worm (10), the meshing is connected with worm wheel (11) on worm (10), thread bush (7) are installed to worm wheel (11) bottom, the one end that worm wheel (11) were kept away from in thread bush (7) runs through drive case (6) bottom and threaded connection has screw rod (8), the one end that thread bush (7) were kept away from in thread bush (8) runs through valve gap (3) and fixedly connected with fixed connection has valve rod (8) (12) Four connecting rods (17) are installed at the bottom of the fixed baffle plate (12), a valve clack (13) is arranged below the fixed baffle plate (12), four grooves (20) corresponding to the positions of the connecting rods (17) are formed in the top of the valve clack (13), sliding grooves (18) are formed in the two sides of each groove (20), the bottom ends of the connecting rods (17) are inserted into the grooves (20), sliding blocks (19) connected with the sliding grooves (18) in a sliding mode are arranged on the two sides of the bottom end of the connecting rods (17), springs (21) are installed between the bottom ends of the connecting rods (17) and the bottom ends of the grooves (20), annular clamping blocks (14) are installed at the bottom of the valve clack (13), annular clamping grooves (15) corresponding to the positions of the annular clamping blocks (14) are formed in the inner wall of the valve body (1), and O-shaped sealing rings (16) are arranged inside the annular clamping grooves (15).

2. An erosion resistant electrically operated valve as claimed in claim 1 wherein: the driving box cover (9) is fixedly connected with the driving box (6) through bolts.

3. An erosion resistant electrically operated valve as claimed in claim 1 wherein: driving motor (5) pass through motor mounting panel and drive case (6) fixed connection, the one end that driving motor (5) were kept away from in worm (10) is connected through the bearing rotation with drive case (6), threaded sleeve (7) are equipped with the bearing with drive case (6) junction.

4. An erosion resistant electrically operated valve as claimed in claim 1 wherein: high pressure nozzle (2) are the slope setting, and nozzle end towards ring groove (15), the high pressure nozzle (2) other end is connected through the gas-supply pipe with outside air supply.

5. An erosion resistant electrically operated valve as claimed in claim 1 wherein: the valve clack (13) is made of surfacing wear-resistant alloy.

6. An erosion resistant electrically operated valve as claimed in claim 1 wherein: the volume of the annular clamping block (14) is smaller than the space volume of the annular clamping groove (15).