WO2016091064A1 - Simple electric control valve - Google Patents

Abstract

A simple electric control valve, comprising a valve upper cover (1), a valve lower cover (2), a sealing gasket (3), a rotary valve core (4), a front-end wear-resistant sleeve (5), a rear-end wear-resistant sleeve (6), a rotary shaft (7), a drive motor (8) and a quick junction (9); the sealing gasket (3) is provided between the valve upper cover (1) and the valve lower cover (2); and the drive motor (8) drives, via the rotary shaft (7), the rotary valve core (4) to rotate to switch on or switch off the electric control valve. A sealing effect of the electric control valve in a closed state is ensured via the tight contact between a spherical convex surface of the rotary valve core and a spherical concave surface of the valve. The rotary valve core can freely rotate in 360 degrees in both forward and reverse directions. The flow rate of liquid can be effectively controlled by controlling the rotation angle of the rotary valve core. The electric control valve has a simple structure, and is convenient to manufacture, install and maintain.

Description

 Technical field

 [0001] The present invention relates to a control valve, and more particularly to a simple electric control valve.

 Background technique

 [0002] In recent years, with the development of science and technology, the progress of society and the continuous improvement of people's living standards, the application of electric control valves has spread all over the production and life. At present, there are many types of electric control valves on the market and the structure is complicated. In people's production and life, it is bound to cause problems such as difficulty in selection, inconvenient operation or complicated maintenance. Therefore, a simple electric control valve is urgently needed to satisfy The needs of people to produce and live.

 technical problem

 [0003] The purpose of the utility model is to solve a simple electric control valve which is invented in the production and life of the problem that the selection of the electric control valve is difficult, the operation is inconvenient or the maintenance is complicated.

 Problem solution

 Technical solution

[0004] The technical solution adopted by the utility model to solve the technical problems thereof is:

 [0005] A simple electric control valve, comprising: a valve body upper cover, a valve body lower cover, a sealing gasket, a rotary valve core, a front end wear sleeve, a rear end wear sleeve, a rotary shaft, a drive motor And quick connectors.

[0006] A gasket is disposed between the upper cover of the valve body and the lower cover of the valve body to enhance the airtightness of the electric control valve.

[0007] The valve body upper cover and the valve body lower cover are fastened together by screws, and the valve body upper cover and the valve body lower cover are all provided with spherical concave surfaces that cooperate with the rotary valve core.

 [0008] The rotary valve core is provided with a connecting through hole, a fixed threaded hole and a spherical convex surface, and the rotary valve core can freely rotate 360 degrees in the forward and reverse directions of the rotating shaft axis.

[0009] The rotating shaft is composed of an input end and an output end, and the input end thereof is connected with the driving motor output shaft, and the output end thereof sequentially passes through the front end wear bushing, the rotating valve core connecting through hole and the rear end wear-resistant The sleeve is connected and centered, and the output end of the rotating shaft is interference-fitted with the front end wear sleeve, the rotary valve core and the rear wear sleeve to achieve the fastening and sealing functions. [0010] The front end wear sleeve and the rear end wear sleeve are disposed in a circular card slot formed between the upper cover of the valve body and the lower cover of the valve body, and the card slot serves as a guiding and limiting function.

 [0011] The machine screw fastens the rotary valve core to the rotating shaft through the screw hole fixing screw hole, so as to avoid loosening, displacement and the like of the rotating valve core under long-term frequent rotating work.

 [0012] The driving motor is a stepping motor, and is fastened to the upper cover of the valve body by a motor locking screw.

 [0013] The quick connector is connected to the air inlet of the valve body lower cover, and the quick connector functions to achieve fast filling by connecting with the external air path.

 Advantageous effects of the invention

 Beneficial effect

 [0014] Compared with the prior art, the utility model has the advantages that the structure is simple, the manufacture, the installation and the maintenance are convenient, and the better working effect can be obtained in many fields, which is beneficial to popularization and use. In order to more clearly understand the present invention, the specific implementation of the present invention will be described below with reference to the accompanying drawings.

 Brief description of the drawing

 DRAWINGS

 1 is a perspective view of the present invention.

 2 is a schematic exploded view of the utility model.

 3 is a closed state view of the rotary valve core of the present invention.

 4 is a snoring state diagram of the rotary valve core of the present invention.

 [0019] wherein: 1, the valve body cover, 2, the valve body lower cover, 201, the air inlet, 202, spherical concave surface, 203, card slot, 3, sealing gasket, 4, rotating spool, 401, connection Through hole, 402, fixed threaded hole, 403, spherical convex surface, 5, front end wear sleeve, 6, rear wear sleeve, 7, rotary shaft, 701, input, 702, output, 703, shaft 8, drive motor, 801, output shaft, 9, quick connector, 901, screw, 902, machine screw, 903, motor lock screw, 10, horizontal position, 11, vertical position.

Embodiments of the invention

[0020] The present invention is further described in conjunction with the drawings and embodiments.

[0021] The utility model relates to a simple electric control valve, which is characterized in that the valve body upper cover 1 and the valve body lower cover 2 are included. The gasket 3, the rotary valve core 4, the front end wear sleeve 5, the rear wear sleeve 6, the rotary shaft 7, the drive motor 8 and the quick joint 9.

 [0022] A gasket 3 is disposed between the valve body upper cover 1 and the valve body lower cover 2 to enhance the airtightness of the electric control valve.

 [0023] The valve body upper cover 1 and the valve body lower cover 2 are fastened together by a screw 901, and the valve body upper cover 1 and the valve body lower cover 2 are all provided with a spherical concave surface that cooperates with the rotary valve body 4. 202.

 [0024] The rotary valve core 4 is provided with a connecting through hole 401, a fixed threaded hole 402 and a spherical convex surface 403, and the rotary valve body 4 can freely rotate 360 degrees in the forward and reverse directions of the rotating shaft 7 axis 703.

 [0025] The rotating shaft 7 is composed of an input end 701 and an output end 702, and an input end 701 thereof is coupled with a driving motor 8 output shaft 819, and an output end 702 sequentially passes through the front end wear bushing 5 and a rotary valve. The core 4 is connected to the through hole 401 and the rear wear sleeve 6 and is connected in a center. The output end 702 of the rotating shaft 7 is interference-fitted with the front end wear sleeve 6, the rotary valve core 4 and the rear wear sleeve 6 To achieve the function of fastening and sealing.

 [0026] The front end wear sleeve 4 and the rear wear sleeve 5 are placed in the slot 203 between the upper cover 1 and the lower cover 2 of the valve body, and the slot 203 is guided and limited. .

 [0027] The machine screw 902 fastens the rotary valve core 4 to the rotating shaft 7 by fixing the screw hole 402 of the rotary valve core 4, so as to avoid loosening and displacement of the rotary valve core 4 under long-term frequent rotating work. .

 [0028] The drive motor 8 is a stepping motor and is fastened to the valve body upper cover 1 by a motor lock screw 903.

 [0029] The quick connector 9 is connected to the air inlet 201 of the valve body lower cover 2, and the quick connector functions to achieve rapid filling by connecting with the external air path.

 [0030] The simple electric control valve has the working principle: the driving motor 8 fixed on the upper cover of the valve body drives the rotary valve core 4 to rotate through the rotating shaft 7 to realize the closing and snoring of the electric control valve. , wherein the rotary valve core 4 is rotated to the horizontal position 10 for the electric control valve to be closed, the rotary valve core 4 is rotated to the vertical position 11 for the electric control valve to be in a snoring state, and the electric control valve is closed. The spherical convex surface 403 of the core 4 is in contact with the spherical concave surface 202 composed of the valve body upper cover 1 and the valve body lower cover 2, and the rotary valve core 4 can be driven 360 degrees in the forward and reverse directions by the driving motor 8. Free rotation, by controlling the rotation angle of the rotary valve core 4, effective control of the liquid flow rate can be achieved, and since the rotary valve core 4 has a flexible rotation function, it is more convenient and quick to use.

[0031] The technical principles of the present invention have been described above in connection with specific embodiments. These descriptions are just for explanation The principle of the utility model is not to be construed as limiting the scope of the invention in any way. Based on the explanation herein, those skilled in the art can associate other embodiments of the present invention without departing from the scope of the present invention, and all of them fall within the scope of the present invention.

Claims

Claim  [Claim 1] A simple electric control valve comprising a valve body upper cover (1), a valve body lower cover (2), a gasket (3), a rotary valve core (4), and a front end wear sleeve (5) , a rear wear sleeve (6), a rotary shaft (7), a drive motor (8) and a quick connector (9), characterized in that the valve body upper cover (1) and the valve body lower cover (2) A gasket (3) is disposed between the driving motor 8 to rotate the rotary valve core 4 through the rotating shaft 7 to realize closing and snoring of the electric control valve.  [Claim 2] A simple electric control valve according to claim 1, wherein: the valve body upper cover (1) and the valve body lower cover (2) are fastened together by screws (901), The valve body upper cover (1) and the valve body lower cover (2) are all provided with a spherical concave surface (202) that cooperates with the rotary valve core (4).  [Claim 3] A simple electric control valve according to claim 1, wherein: the rotary valve core (4) is provided with a connecting through hole (401), a fixed threaded hole (402), and a spherical convex surface. (403).  [Claim 4] A simple electric control valve according to claim 1, wherein: the rotating shaft (7) is composed of an input end (701) and an output end (702), and an input end (701) thereof Connected to the drive motor (8) output shaft (801), the output end (702) sequentially passes through the front end wear bushing (5), the rotary valve core (4) connects the through hole (401) and the rear end wears Bushing (6) and centered.  [Claim 5] A simple electric control valve according to claim 1, wherein: the sealing effect of the electric control valve in the closed state 是 is by rotating the spherical convex surface (403) of the valve body (4) with the valve The spherical concave surface (202) composed of the upper cover (1) and the lower cover of the valve body (202) is ensured by the matching contact.