CN213017805U

CN213017805U - Overflow valve

Info

Publication number: CN213017805U
Application number: CN202021536161.XU
Authority: CN
Inventors: 钱宇
Original assignee: Chongqing Southwest Pneumatic Hydraulic Co ltd
Current assignee: Chongqing Southwest Pneumatic Hydraulic Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-04-20
Anticipated expiration: 2030-07-29

Abstract

The utility model discloses an overflow valve, which comprises a valve body, the tighrening ring has been cup jointed at the top of valve body, and the top of tighrening ring installs the valve gap to electric cylinder is installed at the top of valve gap, smooth chamber has been seted up to the upper portion of valve body and the inboard of tighrening ring, electric cylinder's bottom transmission is connected with the telescopic link, and the top fixedly connected with push pedal of telescopic link to the extrusion spring is installed to the bottom of push pedal, the piston is installed to the bottom of extrusion spring, and the bottom of piston installs the stopper post. The utility model discloses in, at first, adopt automatic control to adjust the structure, both played automatic control valve's effect, also played the effect of controllable regulation, did not improve the availability factor that has hanged down the overflow valve like this, also improved the convenience that the overflow valve used, secondly, adopt pull formula flow increasing structure, play the effect of part increase flow, so not only improved the result of use of overflow valve, also improved the availability factor of overflow valve.

Description

Overflow valve

Technical Field

The utility model relates to the technical field of valves, especially, relate to an overflow valve.

Background

The overflow valve is a hydraulic pressure control valve, and mainly plays the roles of constant pressure overflow, system unloading and safety protection in a hydraulic system.

However, the existing overflow valve still has partial problems, firstly, the existing overflow valve is still used partially in a mode of extruding through water pressure, the effect of valve opening circulation is carried out, the mode is not beneficial to controlling the circulation of fluid, the using efficiency of the overflow valve is reduced, the convenience of using the overflow valve is also reduced, secondly, the existing overflow valve is partially low in discharge capacity due to the reason of arrangement, the using effect of the overflow valve is reduced, and the using efficiency of the overflow valve is also reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the overflow valve is provided in order to solve the problem that the traditional overflow valve part is low in use convenience.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an overflow valve, includes the valve body, the tighrening ring has been cup jointed at the top of valve body, and the top of tighrening ring installs the valve gap to electric cylinder is installed at the top of valve gap, smooth chamber has been seted up to the upper portion of valve body and the inboard of tighrening ring, electric cylinder's top transmission is connected with the telescopic link, and the top fixedly connected with push pedal of telescopic link to the extrusion spring is installed to the bottom of push pedal, the piston is installed to the bottom of extrusion spring, and the bottom of piston installs the cock stem to the bottom fixedly connected with connecting rod of cock stem, the sill is installed to the bottom of connecting rod, and the top of sill is seted.

As a further description of the above technical solution:

the piston and plug are slidable within the slide chamber.

As a further description of the above technical solution:

the water inlet has been seted up in the left side of valve body, the delivery port has been seted up on the right side of valve body.

As a further description of the above technical solution:

and a sealing rubber plug is arranged at the bottom of the valve body.

As a further description of the above technical solution:

the sealing glue plug is embedded at the bottom of the valve body.

As a further description of the above technical solution:

the bottom of the fastening ring is embedded in the inner wall of the valve body, and the valve cover is mutually meshed with the top of the fastening ring.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, adopt automatic control to adjust the structure, there is electric cylinder at the top of valve gap, and electric cylinder's bottom has the telescopic link, install the valve body in required position earlier, external power source has been connected, control external control device, drive electric cylinder function, and make the telescopic link rebound, and drive the piston and the cock stem of the extrusion spring coupling of push pedal bottom and along smooth chamber rebound, the fluid gets into from the water inlet simultaneously, also carry out ascending extrusion force to the cock stem, the cock stem pushes away the back, make the fluid discharge from the delivery port, the comprehensive setting of this kind of structure, both play the effect of automatic control valve, also play the effect of controllable regulation, the availability factor of overflow valve has not been reduced like this, the convenience that the overflow valve used has also been improved.

2. The utility model discloses in, adopt pull formula to increase a class structure, there is the connecting rod in the bottom of plunger, and there is the sill bar bottom of connecting rod, and the top of sill bar is fluted, when the fluid enters from the water inlet, through the function of above-mentioned electric cylinder, make the plunger rebound, and drive the sill bar rebound through the connecting rod, it upwards also makes the recess drive a large amount of fluids simultaneously, this kind of setting plays the effect of part increase flow, the result of use of overflow valve has not only been improved like this, the availability factor of overflow valve has also been improved.

Drawings

Fig. 1 shows a front view provided in accordance with an embodiment of the present invention;

fig. 2 shows a front cross-sectional view provided in accordance with an embodiment of the present invention;

fig. 3 shows a front-cut structure display diagram provided according to an embodiment of the present invention.

Illustration of the drawings:

1. a valve body; 2. a valve cover; 3. a fastening ring; 4. an electric oil cylinder; 5. a water inlet; 6. a water outlet; 7. a telescopic rod; 8. pushing the plate; 9. a piston; 10. a bottom pillar; 11. a groove; 12. a plug; 13. sealing the rubber plug; 14. a connecting rod; 15. a compression spring; 16. a slide chamber.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an overflow valve comprises a valve body 1, a fastening ring 3 is sleeved at the top of the valve body 1, the fastening ring 3 mainly increases the connectivity of the valve body 1 and a valve cover 2, the valve cover 2 is installed at the top of the fastening ring 3, the valve cover 2 mainly plays a role in sealing, an electric oil cylinder 4 is installed at the top of the valve cover 2, a sliding cavity 16 is formed in the upper portion of the valve body 1 and the inner side of the fastening ring 3, an expansion rod 7 is connected to the bottom of the electric oil cylinder 4 in a transmission manner, a push plate 8 is fixedly connected to the top of the expansion rod 7, an extrusion spring 15 is installed at the bottom of the push plate 8, a piston 9 is installed at the bottom of the extrusion spring 15, a plug 12 is installed at the bottom of the piston 9, the plug 12 mainly plays a role in blocking the circulation of fluid and playing a role in a valve, a connecting rod 14 is fixedly connected to the bottom of the plug 12, the piston 9 and the plug 12 are slidable inside the sliding chamber 16.

Specifically, as shown in fig. 2 and 3, a water inlet 5 is opened on the left side of the valve body 1, a water outlet 6 is opened on the right side of the valve body 1, a sealing rubber plug 13 is installed at the bottom of the valve body 1, the sealing rubber plug 13 mainly plays a part of sealing effect, and the sealing rubber plug 13 is embedded in the bottom of the valve body 1.

Specifically, as shown in fig. 2 and 3, the bottom of the fastening ring 3 is embedded in the inner wall of the valve body 1, and the bonnet 2 and the top of the fastening ring 3 are engaged with each other.

The working principle is as follows: when the valve is used, firstly, the valve body 1 is installed at a required position, an external power supply is connected, an external control device is controlled, the electric oil cylinder 4 is driven to operate, the telescopic rod 7 moves upwards, the piston 9 and the plug 12 which are connected with the bottom of the push plate 8 and the extrusion spring 15 are driven to move upwards along the sliding cavity 16, meanwhile, fluid enters the valve body 1 from the water inlet 5, upward extrusion force is also applied to the plug 12, after the plug 12 is pushed away, the fluid is discharged from the water outlet 6, secondly, when the fluid enters from the water inlet 5, the plug 12 moves upwards through the operation of the electric oil cylinder 4, the connecting rod 14 drives the bottom column 10 to move upwards, meanwhile, the groove 11 drives a large amount of fluid to move upwards, and partial flow is increased.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An overflow valve comprises a valve body (1) and is characterized in that a fastening ring (3) is sleeved at the top of the valve body (1), a valve cover (2) is installed at the top of the fastening ring (3), an electric oil cylinder (4) is arranged at the top of the valve cover (2), a sliding cavity (16) is arranged at the upper part of the valve body (1) and the inner side of the fastening ring (3), the bottom of the electric oil cylinder (4) is connected with a telescopic rod (7) in a transmission way, the top of the telescopic rod (7) is fixedly connected with a push plate (8), an extrusion spring (15) is arranged at the bottom of the push plate (8), a piston (9) is arranged at the bottom of the extrusion spring (15), a plug (12) is arranged at the bottom of the piston (9), and the bottom of the plug column (12) is fixedly connected with a connecting rod (14), the bottom of the connecting rod (14) is provided with a bottom column (10), and the top of the bottom column (10) is provided with a groove (11).

2. A relief valve according to claim 1 wherein the piston (9) and plug (12) are slidable inside the sliding chamber (16).

3. The overflow valve according to claim 1, characterized in that the left side of the valve body (1) is provided with a water inlet (5), and the right side of the valve body (1) is provided with a water outlet (6).

4. An overflow valve according to claim 1 characterised in that the bottom of the valve body (1) is fitted with a sealing plug (13).

5. An overflow valve according to claim 4 characterised in that the sealing rubber plug (13) is embedded in the bottom of the valve body (1).

6. An overflow valve according to claim 1, characterised in that the fastening ring (3) is embedded at its bottom in the inner wall of the valve body (1), and the valve cover (2) is snap-fitted to the top of the fastening ring (3).