CN112664692A

CN112664692A - Overflow valve with multistage pressure regulating function

Info

Publication number: CN112664692A
Application number: CN202110034066.2A
Authority: CN
Inventors: 梁众福
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-04-16

Abstract

The invention relates to the field of overflow valves, in particular to an overflow valve with a multi-stage pressure regulating function, which comprises a fixed shell, a protective valve, a pressure regulating assembly and a connecting pipe, wherein a switch slot is formed in the upper end surface of the fixed shell, a side plate is arranged on the side surface of the fixed shell, a bottom plate is arranged at the bottom end of the fixed shell, a water inlet is arranged on the front end surface of the protective valve, the connecting pipe is arranged behind the protective valve, the pressure regulating assembly is arranged on the side surface of the connecting; the beneficial effects are that: the invention provides an overflow valve with a multi-stage pressure regulating function, which optimizes the structure of the traditional overflow valve, so that the pressure of the traditional overflow valve can be regulated, and a valve body has a protection function.

Description

Overflow valve with multistage pressure regulating function

Technical Field

The invention relates to the field of overflow valves, in particular to an overflow valve with a multi-stage pressure regulating function.

Background

The relief valve is also called as relief valve, the relief valve is the key safety application guarantee to guarantee pressure pipeline, pressure vessel as the name implies, in order to guarantee the normal work of the relief valve and lengthen the life time of the relief valve, should make sure that the relief valve in operation leaks regularly in use, the card hinders and spring corrosion, etc. abnormal phenomena, and pay attention to observe whether the lock nut of adjusting the swivel nut and regulating ring holding screw is loose, if find the problem takes appropriate maintenance measure in time, in the prior art, the relief valve can't achieve the function of the multi-stage regulation water pressure, need install the pressure regulating valve additionally like this, very waste resources, after installing the pressure regulating valve, the relief valve is because the speed that can't compensate and cause by the load change is unstable, cause the relief valve to break down easily; therefore, the invention provides an overflow valve with a multi-stage pressure regulating function to solve the problems.

Disclosure of Invention

The invention aims to provide an overflow valve with a multi-stage pressure regulating function, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an overflow valve with a multi-stage pressure regulating function comprises a fixed shell, a protective valve, a pressure regulating assembly and a connecting pipe, wherein a switch groove is formed in the upper end face of the fixed shell, a side plate is installed on the side face of the fixed shell, a bottom plate is installed at the bottom end of the fixed shell, a sealing ring is installed in the middle of the inner side of the protective valve, a sealing shaft is arranged below the sealing ring, a first spring is installed below the sealing shaft, a first fixed cylinder is installed on the outer side of the first spring, a pressure reducing pipe is installed below the protective valve, a water inlet is installed on the front end face of the protective valve, the connecting pipe is installed behind the protective valve, a water outlet is arranged behind the connecting pipe, the pressure regulating assembly is installed on the side face of the connecting pipe, three sealing, a first matching gear is arranged above the first matching block above, three rotating gears are arranged on the outer side of the first matching gear at equal intervals, a servo driver is arranged below the rotating gears, a first connecting rod is arranged on the first matching gear, a first switch is arranged above the first connecting rod, a neutral switch is arranged on one side surface of the switch, a second matching gear is arranged above the middle matching block, a second connecting rod is arranged on the second matching gear, a second switch is arranged on the second connecting rod, a third matching gear is arranged above the second matching block below, a third connecting rod is arranged on the third matching gear, a third switch is arranged on the third connecting rod, an adapting block is arranged below the third switch, a sliding block is arranged on the outer side of the adapting block, a telescopic block is arranged at the tail end of the, and a second spring is arranged below the third switch and the neutral switch, and a cross beam is arranged below the second spring.

Preferably, the switch slot is the cuboid structure, switch slot and switch one, switch two, switch three and neutral switch sliding fit, and the curb plate is the cuboid structure, curb plate and fixed shell fixed connection, and the bottom plate is the cuboid structure, bottom plate and curb plate fixed connection.

Preferably, the sealing ring is of a circular ring structure, the sealing ring is fixedly connected with the protection valve, the upper half part of the sealing shaft is of a circular truncated cone structure, the lower half part of the sealing shaft is of a cylinder structure, the first fixing cylinder is of a hollow cylinder structure, and the decompression pipe is connected to the connecting pipe from the lower end face of the protection valve.

Preferably, the water inlet is the cylinder structure, water inlet and protection valve bolt fixed connection, and the connecting pipe is hollow cuboid structure, and the terminal surface is installed the extension pipe about the connecting pipe, extension pipe and protection valve fixed connection.

Preferably, extension pipe and delivery port fixed connection, seal groove are three cuboid structures different in size, and sealed movable block is L type structure, and sealed movable block and seal groove cooperation, cooperation piece are the cuboid structure.

Preferably, the front end face of the matching block is provided with a matching groove, the clamping plate is fixedly connected with the side plate, the matching block is in sliding fit with the clamping plate, and the first matching gear is matched with the matching groove of the front end face of the matching block.

Preferably, a connecting shaft is arranged in the middle of the rotating gear, the rotating gear is fixedly connected with the rotating gear middle connecting shaft, the rotating gear middle connecting shaft is fixedly connected with the servo driver, a connecting rod I is rotatably inserted into a matching gear I, and the connecting rod I is fixedly connected with a switch I.

Preferably, the first switch is of an L-shaped structure, a cross rod is installed at the upper end of the first switch, the neutral switch is of an L-shaped structure, the cross rod is installed at the upper end of the neutral switch, the second matching gear is matched with the matching groove in the front end face of the matching block, and the second connecting rod is rotatably inserted into the second matching gear.

Preferably, the second connecting rod is fixedly connected with the second switch, the second switch is of an L-shaped structure, a cross rod is mounted at the upper end of the second switch, the third matching gear is matched with the matching groove in the front end face of the matching block, the third connecting rod is rotatably inserted into the third matching gear, and the third connecting rod is fixedly connected with the third switch.

Preferably, the third switch is of an L-shaped structure, the cross rod is installed at the upper end of the third switch, the first matching gear, the second matching gear and the third matching gear are matched with the rotating gear respectively, the matching block is of a cuboid structure, the moving groove is formed in the matching block, and the upper half part of the moving groove is of a trapezoidal structure.

Preferably, the lower half part of the moving groove is of a cuboid structure, the sliding block is fixedly connected with the side plate, the sliding block is in sliding fit with the adaptation block, the second fixed cylinder is a hollow cylinder, a spring is installed in the second fixed cylinder, the second spring is located below the first switch, the second switch, the third switch and the neutral switch cross rod, and the cross beam is fixedly connected with the side plate.

Compared with the prior art, the invention has the beneficial effects that:

1. the overflow valve with the multi-stage pressure regulating function provided by the invention is used for carrying out structural optimization on the traditional overflow valve, the pressure regulating component is arranged in the overflow valve to control the water pressure by controlling the flow, the flow setting of three gears is arranged, and the overflow valve can be directly regulated and controlled by using a switch, so that the overflow valve is very convenient.

2. The overflow valve with the multi-stage pressure regulating function provided by the invention is used for carrying out structural optimization on the traditional overflow valve, and the speed is unstable due to the fact that the pressure regulating assembly is arranged in the overflow valve, so that a protection valve is arranged at an inlet with a weak pressure bearing point, and the purpose of protecting an inlet pipe by dispersing hydraulic pressure is realized by utilizing a pressure reducing pipe for shunting.

Drawings

FIG. 1 is a schematic view of a stationary housing according to the present invention;

FIG. 2 is a schematic view of the protective valve of the present invention;

FIG. 3 is a schematic view of a connecting tube according to the present invention;

fig. 4 is a schematic structural diagram of the pressure regulating assembly of the present invention.

In the figure: 1. fixing the housing; 2. a protection valve; 3. a voltage regulating component; 4. a connecting pipe; 5. a water inlet; 6. a side plate; 7. a base plate; 8. a seal ring; 9. a seal shaft; 10. a first spring; 11. a first fixed cylinder; 12. a pressure reducing tube; 13. a moving block; 14. a matching block; 15. a third switch; 16. a second spring; 17. a sealing groove; 18. installing a clamping plate; 19. matching with the first gear; 20. a first switch; 21. a first connecting rod; 22. a second matching gear; 23. a second connecting rod; 24. a third matching gear; 25. a neutral switch; 26. a second switch; 27. an adaptation block; 28. a slider; 29. a telescopic block; 30. a second fixed cylinder; 31. a rotating gear; 32. a third connecting rod; 33. a switch slot; 34. a water outlet; 35. a cross beam; 36. a servo driver.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides an overflow valve with multistage pressure regulating function, including fixed shell 1, protective valve 2, pressure regulating subassembly 3 and connecting pipe 4, switch slot 33 has been seted up to 1 up end of fixed shell, switch slot 33 is the cuboid structure, switch slot 33 and switch one 20, switch two 26, switch three 15 and neutral switch 25 sliding fit, 1 side-mounting of fixed shell has curb plate 6, curb plate 6 is the cuboid structure, curb plate 6 and 1 fixed connection of fixed shell, bottom plate 7 is installed to 1 bottom of fixed shell, bottom plate 7 is the cuboid structure, bottom plate 7 and 6 fixed connection of curb plate.

Install sealing ring 8 in the middle of 2 inboard of protection valves, sealing ring 8 is the ring structure, sealing ring 8 and 2 fixed connection of protection valves, the sealing ring 8 below is equipped with sealed axle 9, the first half of sealed axle 9 is the round platform structure, the sealed axle 9 lower half is the cylinder structure, spring 10 is installed to sealed axle 9 below, a fixed section of thick bamboo 11 is installed in a spring 10 outside, a fixed section of thick bamboo 11 is the hollow cylinder structure, decompression pipe 12 is installed to protection valves 2 below, decompression pipe 12 is connected to connecting pipe 4 from the terminal surface under protection valves 2.

The water inlet 5 is installed to the terminal surface before the protection valve 2, and water inlet 5 is the cylinder structure, and water inlet 5 and 2 bolt fixed connection of protection valve, connecting pipe 4 are installed to 2 backs of protection valve, and connecting pipe 4 is hollow cuboid structure, and the extension pipe is installed to the terminal surface about the connecting pipe 4, extension pipe and 2 fixed connection of protection valve, extension pipe and 34 fixed connection of delivery port, and 4 backs of connecting pipe are equipped with delivery port 34.

The side surface of the connecting pipe 4 is provided with a pressure regulating component 3, the inner side end surface of the connecting pipe 4 is equidistantly provided with three sealing grooves 17 with different sizes, the sealing grooves 17 are of three cuboid structures with different lengths, three sealing moving blocks 13 with different sizes are equidistantly arranged on the pressure regulating component 3, the sealing moving blocks 13 are of L-shaped structures, the sealing moving blocks 13 are matched with the sealing grooves 17, the matching blocks 13 are provided with matching blocks 14, the matching blocks 14 are of cuboid structures, the front end surfaces of the matching blocks 14 are provided with matching grooves, the upper end surfaces and the lower end surfaces of the matching blocks 14 are provided with clamping plates 18, the clamping plates 18 are fixedly connected with the side plates 6, the matching blocks 14 are in sliding fit with the clamping plates 18, a first matching gear 19 is arranged above the matching blocks 14, the first matching gear 19 is matched with the matching grooves on the front end surfaces of the matching, the rotary gear 31 is fixedly connected with a middle connecting shaft of the rotary gear 31, a servo driver 36 is arranged below the rotary gear 31, the middle connecting shaft of the rotary gear 31 is fixedly connected with the servo driver 36, a first connecting rod 21 is arranged on a first matching gear 19, the first connecting rod 21 is rotatably inserted on the first matching gear 19, the first connecting rod 21 is fixedly connected with a first switch 20, a first switch 20 is arranged above the first connecting rod 21, the first switch 20 is of an L-shaped structure, a cross rod is arranged at the upper end of the first switch 20, a neutral switch 25 is arranged on the side surface of the first switch 20, the neutral switch 25 is of an L-shaped structure, the cross rod is arranged at the upper end of the neutral switch 25, a second matching gear 22 is arranged above a middle matching block 14, the second matching gear 22 is matched with a matching groove on the front end surface of the matching block 14, the second connecting rod 23 is rotatably inserted on the second matching gear 22, a second switch 26 is mounted on the second connecting rod 23, the second switch 26 is of an L-shaped structure, a cross rod is mounted at the upper end of the second switch 26, a third matching gear 24 is mounted above the matching block 14 below the second switch, the third matching gear 24 is matched with a matching groove on the front end surface of the matching block 14, the third connecting rod 32 is rotatably inserted on the third matching gear 24, a third connecting rod 32 is arranged on the third matching gear 24, the third connecting rod 32 is fixedly connected with the third switch 15, a third switch 15 is mounted on the third connecting rod 32, the third switch 15 is of an L-shaped structure, the cross rod is mounted at the upper end of the third switch 15, a first matching gear 19, a second matching gear 22 and a third matching gear 24 are respectively matched with a rotating gear 31, an adapting block 27 is mounted below the third switch 15, the adapting block 27 is of a cuboid structure, a moving groove is formed in the adapting block 27, the upper half part of, sliding block 28 and curb plate 6 fixed connection, sliding block 28 and adaptation piece 27 sliding fit, flexible piece 29 is installed to adaptation piece 27 tail end, and fixed cylinder two 30 is installed to flexible piece 29 outside, and fixed cylinder two 30 is hollow cylinder, installs the spring in fixed cylinder two 30, and spring two 16 is located switch one 20, switch two 26, switch three 15 and neutral switch 25 horizontal pole below, and crossbeam 35 is installed to spring two 16 below, crossbeam 35 and curb plate 6 fixed connection.

The working principle is as follows: the servo driver 36 is electrically connected with an external control console, the servo driver 36 is a mature technology and is not detailed, the speed is unstable due to the fact that the pressure regulating assembly 3 is installed in the overflow valve, therefore, a protection valve is installed at the water inlet 5 with a weak pressure bearing point, the first spring 10 is stretched, when the water pressure is larger than the elasticity of the first spring 10, the first spring 10 is pressed down by the sealing shaft 9, liquid enters the pressure reducing pipe 12, the pressure reducing pipe 12 is used for shunting, and the purpose of protecting the water inlet 5 is achieved by means of dispersed hydraulic pressure, when pressure regulation is needed, the first switch 20, the second switch 26 or the third switch 15 are pressed down by the first switch 20, the second switch 26 or the third switch 15, the first connecting rod 21, the second connecting rod 23 or the third connecting rod 32 are pressed down, the first matching gear 19, the second matching gear 22 and the third matching gear 24 are respectively, The second matching gear 22 or the third matching gear 24 is meshed with the rotating gear 31, the lower half part of the upper moving groove of the matching block 27 is in a trapezoid structure, the lower half part of the upper moving groove is in a cuboid structure, meshing fixation of the first matching gear 19, the second matching gear 22 or the third matching gear 24 and the rotating gear 31 is achieved, the servo driver 36 is started, the first matching gear 19, the second matching gear 22 and the third matching gear 24 are matched with the matching groove in the front end face of the matching block 14, front and back movement of the matching block 14 is achieved, movement of the moving block 13 is achieved, liquid flow is controlled, when control is not needed, the moving block 13 is enabled to return by the servo driver 36, and when the neutral switch 25 is pressed down, the first switch 20, the second switch 26 or the third switch 15 returns.

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 overflow valve with multistage pressure regulating function, includes fixed shell (1), protective valve (2), pressure regulating subassembly (3) and connecting pipe (4), its characterized in that: the switch groove (33) is formed in the upper end face of the fixed shell (1), the side plate (6) is installed on the side face of the fixed shell (1), the bottom plate (7) is installed at the bottom end of the fixed shell (1), the sealing ring (8) is installed in the middle of the inner side of the protection valve (2), the sealing shaft (9) is arranged below the sealing ring (8), the first spring (10) is installed below the sealing shaft (9), the first fixed cylinder (11) is installed on the outer side of the first spring (10), the pressure reducing pipe (12) is installed below the protection valve (2), the water inlet (5) is installed on the front end face of the protection valve (2), the connecting pipe (4) is installed behind the protection valve (2), the water outlet (34) is formed in the rear of the connecting pipe (4), the pressure regulating assembly (3) is installed on the side face of the connecting pipe (4), the sealing grooves (, a matching block (14) is arranged on the sealing moving block (13), clamping plates (18) are arranged on the upper end face and the lower end face of the matching block (14), a first matching gear (19) is arranged above the matching block (14) above, three rotating gears (31) are arranged on the outer side of the first matching gear (19) at equal intervals, a servo driver (36) is arranged below the rotating gears (31), a first connecting rod (21) is arranged on the first matching gear (19), a first switch (20) is arranged above the first connecting rod (21), a neutral switch (25) is arranged on the side face of the first switch (20), a second matching gear (22) is arranged above the middle matching block (14), a second connecting rod (23) is arranged on the second matching gear (22), a second switch (26) is arranged on the second connecting rod (23), a third matching gear (24) is arranged above the matching block (14) below, and a third, install switch three (15) on connecting rod three (32), adaptation piece (27) are installed to switch three (15) below, sliding block (28) are installed in adaptation piece (27) outside, flexible piece (29) are installed to adaptation piece (27) tail end, fixed cylinder two (30) are installed in flexible piece (29) outside, spring two (16) are installed to switch one (20), switch two (26), switch three (15) and neutral switch (25) below, crossbeam (35) are installed to spring two (16) below.

2. The overflow valve with the multi-stage pressure regulating function according to claim 1, characterized in that: switch groove (33) are the cuboid structure, switch groove (33) and switch one (20), switch two (26), switch three (15) and neutral switch (25) sliding fit, and curb plate (6) are the cuboid structure, curb plate (6) and fixed shell (1) fixed connection, and bottom plate (7) are the cuboid structure, bottom plate (7) and curb plate (6) fixed connection.

3. The overflow valve with the multi-stage pressure regulating function according to claim 1, characterized in that: sealing ring (8) are the ring structure, sealing ring (8) and protection valve (2) fixed connection, and the first half of sealed axle (9) is the round platform structure, and sealed axle (9) lower half is the cylinder structure, and a fixed section of thick bamboo (11) are hollow cylinder structure, and terminal surface is connected to connecting pipe (4) under protection valve (2) is followed in decompression pipe (12).

4. The overflow valve with the multi-stage pressure regulating function according to claim 1, characterized in that: the water inlet (5) is of a cylindrical structure, the water inlet (5) is fixedly connected with the protection valve (2) through bolts, the connecting pipe (4) is of a hollow cuboid structure, the upper end face and the lower end face of the connecting pipe (4) are provided with extension pipes, and the extension pipes are fixedly connected with the protection valve (2).

5. The overflow valve with the multi-stage pressure regulating function according to claim 1, characterized in that: the extension pipe is fixedly connected with the water outlet (34), the sealing groove (17) is of a three cuboid structure with different lengths, the sealing moving block (13) is of an L-shaped structure, the sealing moving block (13) is matched with the sealing groove (17), and the matching block (14) is of a cuboid structure.

6. The overflow valve with the multi-stage pressure regulating function according to claim 1, characterized in that: the front end face of the matching block (14) is provided with a matching groove, the clamping plate (18) is fixedly connected with the side plate (6), the matching block (14) is in sliding fit with the clamping plate (18), and the matching gear I (19) is matched with the matching groove on the front end face of the matching block (14).

7. The overflow valve with the multi-stage pressure regulating function according to claim 1, characterized in that: the middle of the rotating gear (31) is provided with a connecting shaft, the rotating gear (31) is fixedly connected with the middle connecting shaft of the rotating gear (31), the middle connecting shaft of the rotating gear (31) is fixedly connected with the servo driver (36), the connecting rod I (21) is rotatably inserted into the matching gear I (19), and the connecting rod I (21) is fixedly connected with the switch I (20).

8. The overflow valve with the multi-stage pressure regulating function according to claim 1, characterized in that: the switch I (20) is of an L-shaped structure, a cross rod is installed at the upper end of the switch I (20), the neutral switch (25) is of an L-shaped structure, the cross rod is installed at the upper end of the neutral switch (25), the matching gear II (22) is matched with the matching groove in the front end face of the matching block (14), and the connecting rod II (23) is rotatably inserted into the matching gear II (22).

9. The overflow valve with the multi-stage pressure regulating function according to claim 1, characterized in that: the connecting rod II (23) is fixedly connected with the switch II (26), the switch II (26) is of an L-shaped structure, a cross rod is installed at the upper end of the switch II (26), the matching gear III (24) is matched with the matching groove of the front end face of the matching block (14), the connecting rod III (32) is rotatably inserted into the matching gear III (24), and the connecting rod III (32) is fixedly connected with the switch III (15).

10. The overflow valve with the multi-stage pressure regulating function according to claim 1, characterized in that: the switch III (15) is of an L-shaped structure, a cross rod is mounted at the upper end of the switch III (15), a first matching gear (19), a second matching gear (22) and a third matching gear (24) are respectively matched with the rotating gear (31), the adapting block (27) is of a cuboid structure, a moving groove is formed in the adapting block (27), and the upper half part of the moving groove is of a trapezoidal structure; the movable groove lower half part is the cuboid structure, sliding block (28) and curb plate (6) fixed connection, sliding block (28) and adaptation piece (27) sliding fit, and fixed section of thick bamboo two (30) are hollow cylinder, install the spring in fixed section of thick bamboo two (30), and spring two (16) are located switch one (20), switch two (26), switch three (15) and neutral switch (25) horizontal pole below, crossbeam (35) and curb plate (6) fixed connection.