CN213981424U

CN213981424U - Adjustable hydraulic valve

Info

Publication number: CN213981424U
Application number: CN202023044357.XU
Authority: CN
Inventors: 许立洲
Original assignee: Dongguan Chengyu Machinery Technology Co ltd
Current assignee: Dongguan Chengyu Machinery Technology Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-08-17
Anticipated expiration: 2030-12-16

Abstract

The application relates to the technical field of hydraulic valves, in particular to an adjustable hydraulic valve, which comprises a valve body and a valve end cover, wherein a cavity is formed in the valve body, the valve end cover is communicated with the interior of the valve body, the valve end cover is arranged at two ends of the valve body respectively, a valve core and a top core are connected in the valve body in a sliding mode, the valve core and the top core are arranged in a relative direction, an elastic part is connected with the top core and the valve end cover, a first oil inlet, a first oil return port and a second oil return port are formed in one side of the valve body, an oil outlet and a second oil inlet are formed in the other side of the valve body, and the first oil inlet, the first oil return port, the second oil return port, the oil outlet and the second oil inlet are communicated with the interior of the valve body respectively; the valve body is internally threaded with an adjusting screw rod, and the adjusting screw rod is communicated with the second oil return port. The method has the advantage of achieving the purpose of decelerating or braking the movement of the grinding machine workbench while realizing the pressurization of the hydraulic valve loop.

Description

Adjustable hydraulic valve

Technical Field

The application relates to the technical field of hydraulic valves, in particular to an adjustable hydraulic valve.

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. It is commonly used for oil circuits of clamping, controlling, lubricating and the like. The direct-acting type and the pilot type are divided into a multi-purpose pilot type.

In the transmission of the numerical control surface grinding machine, a hydraulic valve is also often used, and the hydraulic valve utilizes hydraulic transmission to realize an element for controlling the pressure, the flow and the direction of the liquid. The pressure control valve is used for controlling pressure, the flow control valve is used for controlling flow, and the direction control valve is used for controlling on, off and flow direction.

However, in the process of using the numerical control surface grinding machine, the grinding machine workbench needs to be automatically close to the side to facilitate positioning of the position of the grinding wheel, at the moment, the grinding machine workbench needs to be decelerated, the grinding machine workbench is close to one side to achieve positioning, the operation can be achieved only by stopping the working state of the hydraulic valve at the present stage, and the hydraulic valve is opened when the grinding machine workbench needs to be operated again, so that the operation procedure is complicated, the maneuvering time is long, and the working efficiency is low.

Disclosure of Invention

In view of the above-mentioned prior art's not enough, the purpose of this application is to provide an adjustable hydrovalve, have and realize for the hydrovalve return circuit pressurization in, reach the advantage of the purpose of speed reduction or braking grinding machine workstation motion.

The technical purpose of the application is realized by the following technical scheme: an adjustable hydraulic valve comprises a valve body and a valve end cover, wherein the valve body is provided with a cavity, the valve end cover is communicated with the interior of the valve body, the valve end cover is arranged at each of two ends of the valve body, a valve core and a top core are connected in the valve body in a sliding mode, the valve core and the top core are arranged in opposite directions, elastic pieces are connected with the top core and the valve end cover, a first oil inlet, a first oil return port and a second oil return port are arranged on one side of the valve body, a first oil outlet and a second oil outlet are arranged on the other side of the valve body, and the first oil inlet, the first oil return port, the second oil return port, the first oil outlet and the second oil outlet are respectively communicated with the interior of the valve body;

the valve body is internally threaded with an adjusting screw rod, and the adjusting screw rod is communicated with the second oil return port.

Preferably, one end of the adjusting screw rod is provided with a handle end.

Preferably, the elastic member is a spring.

Preferably, the valve end cover and the valve body are fixedly connected through a screw.

Preferably, the adjusting screw with be provided with seal assembly between the valve body, seal assembly is used for preventing the oil mass outflow of gap between adjusting screw and the valve body.

Preferably, the sealing assembly comprises a plurality of waterproof rubber rings surrounding the adjusting screw rod, and the waterproof rubber rings are uniformly distributed along the length direction of the adjusting screw rod.

Preferably, the seal assembly further comprises a butt ring arranged on the adjusting screw rod, the butt ring is close to the handle end, and the butt ring is located between the handle end and the waterproof rubber ring.

To sum up, the beneficial effect that this application has: oil enters the valve body through the first oil inlet, passes through the valve core and the top core, and flows out from the first oil outlet and the second oil outlet, but because the valve core slides in the valve body, an elastic part connected with the top core is compressed or loosened, the flow rate and the oil quantity of the oil are further changed, so that the sliding and braking of the grinding machine workbench are driven, the reduction and the braking of the grinding machine workbench are realized quickly, an adjustable screw rod is used for adjusting the oil return flow rate and the oil quantity of the second oil return port, and further the valve body and the top core are in synchronous return motion, so that the oil quantity flowing out from the first oil outlet and the second oil outlet is reduced or even stopped, and the purpose of reducing or braking the movement of the grinding machine workbench is achieved while the hydraulic valve loop is pressurized.

Drawings

Fig. 1 is a schematic view of the anatomy of an embodiment of the present application.

Reference numerals: 1. a valve body; 11. a valve end cap; 12. a valve core; 13. a core; 14. an elastic member; 15. A first oil inlet; 16. a first oil return port; 17. a second oil return port; 2. a first oil outlet; 21. a second oil outlet; 3. adjusting the screw rod; 31. a waterproof rubber ring; 32. an abutment ring.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

An adjustable hydraulic valve, referring to fig. 1, includes a valve body 1 provided with a cavity and a valve end cover 11 communicated with the inside of the valve body 1, the valve end cover 11 is respectively arranged at two ends of the valve body 1, a valve core 12 and a top core 13 are slidably connected in the valve body 1, the valve core 12 and the top core 13 are arranged in opposite directions, the top core 13 and the valve end cover 11 are connected with an elastic member 14, a first oil inlet 15, a first oil return port 16 and a second oil return port 17 are arranged at one side of the valve body 1, a first oil outlet 2 and a second oil outlet 21 are arranged at the other side of the valve body 1, and the first oil inlet 15, the first oil return port 16, the second oil return port 17, the first oil outlet 2 and the second oil outlet 21 are respectively communicated with the inside of the valve body 1;

the valve body 1 is internally threaded with an adjusting screw rod 3, and the adjusting screw rod 3 is communicated with the second oil return port 17.

Oil enters the valve body 1 through the first oil inlet 15, passes through the valve core 12 and the top core 13, and flows out of the first oil outlet 2 and the second oil outlet 21, but because the valve core 12 slides in the valve body 1, the elastic part 14 connected with the top core 13 is compressed or loosened, the flow rate and the oil quantity of the oil are further changed, so that the sliding and braking of the grinding machine workbench are driven, wherein in order to quickly realize the reduction and braking of the grinding machine workbench, the return flow rate and the oil quantity of the second oil return port 17 can be adjusted through the adjusting screw rod 3, and further the valve body 1 and the top core 13 are synchronously moved in a recovery mode, so that the oil quantities flowing out of the first oil outlet 2 and the second oil outlet 21 are reduced or even stopped, and the hydraulic valve is used for achieving the purpose of reducing the speed or braking the movement of the grinding machine workbench when the hydraulic valve is pressurized for realizing the pressurization of a loop.

Specifically, one end of the adjusting screw rod 3 is provided with a handle end. Is convenient for being held by hands.

In particular, the elastic member 14 is a spring.

Specifically, the valve end cover 11 and the valve body 1 are fixedly connected through a screw. The disassembly and assembly of the valve end cover 11 and the valve body 1 are facilitated.

Specifically, adjusting screw 3 with be provided with seal assembly between the valve body 1, seal assembly is used for preventing the oil mass outflow of gap between adjusting screw 3 and the valve body 1.

Because adjusting screw 3 with be threaded screw between the valve body 1 and be connected, for preventing that adjusting screw 3 from rotating, having the risk that the oil mass flows, through seal assembly's setting, realize adjusting screw 3 with sealed between the valve body 1.

Specifically, the seal assembly includes a plurality of waterproof rubber circle 31 around on the adjusting screw 3, and is a plurality of waterproof rubber circle 31 is along adjusting screw 3 length direction evenly distributed.

The overflowing oil is blocked by a plurality of waterproof rubber rings 31, so that sealing is realized.

Specifically, the seal assembly further comprises a butt ring 32 arranged on the adjusting screw rod 3, the butt ring 32 is close to the handle end, and the butt ring 32 is located between the handle end and the waterproof rubber ring 31.

The effect of butt ring 32 when waterproof rubber circle 31 carries out the shutoff to the oil that overflows, for preventing the not hard up of waterproof rubber circle 31, further restricts the removal of waterproof rubber circle 31 through butt ring 32 for waterproof rubber circle 31 centre gripping is between valve body 1 and butt ring 32.

The above-mentioned embodiments are merely illustrative and not restrictive, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but only protected by the patent laws within the scope of the claims of the present application.

Claims

1. The utility model provides an adjustable hydrovalve which characterized by: the oil return valve comprises a valve body and a valve end cover, wherein the valve body is provided with a cavity, the valve end cover is communicated with the interior of the valve body, the two ends of the valve body are respectively provided with the valve end cover, the valve body is internally and slidably connected with a valve core and a top core, the valve core and the top core are arranged in opposite directions, the top core and the valve end cover are connected with elastic pieces, one side of the valve body is provided with a first oil inlet, a first oil return port and a second oil return port, the other side of the valve body is provided with a first oil outlet and a second oil outlet, and the first oil inlet, the first oil return port, the second oil return port, the first oil outlet and the second oil outlet are respectively communicated with the interior of the valve body;

2. The adjustable hydraulic valve of claim 1, wherein: and one end of the adjusting screw rod is provided with a handle end.

3. The adjustable hydraulic valve of claim 2, wherein: the elastic piece is a spring.

4. The adjustable hydraulic valve of claim 3, wherein: the valve end cover is fixedly connected with the valve body through a screw rod.

5. The adjustable hydraulic valve of claim 4, wherein: adjusting screw with be provided with seal assembly between the valve body, seal assembly is used for preventing the oil mass outflow in gap between adjusting screw and the valve body.

6. The adjustable hydraulic valve of claim 5, wherein: the seal assembly comprises a plurality of waterproof rubber rings surrounding the adjusting screw rod, and the waterproof rubber rings are uniformly distributed along the length direction of the adjusting screw rod.

7. The adjustable hydraulic valve of claim 6, wherein: the sealing assembly further comprises a butt joint ring arranged on the adjusting screw rod, the butt joint ring is close to the handle end, and the butt joint ring is located between the handle end and the waterproof rubber ring.