Flow control device of electric single-seat regulating valve

Abstract

The utility model discloses a flow control device of an electric single-seat regulating valve, which comprises a valve body, a valve cover and a support frame, the upper surface of the valve body is fixedly provided with the valve cover, the upper surface of the valve cover is fixedly provided with the support frame, and the upper surface of the support frame is fixedly provided with an electric actuating mechanism protecting cover. A supporting block is fixedly installed on the surface of the electric actuating mechanism protecting cover and located below the electric actuating mechanism protecting cover, and a fastener is embedded in the supporting block. According to the flow control device of the electric single-seat regulating valve, when the electric actuating mechanism protecting cover is installed on the supporting frame, the fastening piece is pressed downwards, then the fastening nut is arranged on the guide rod in a sleeving mode and continuously rotates till the electric actuating mechanism protecting cover is fixed to the supporting frame, and when the electric actuating mechanism protecting cover is disassembled, the fastening piece is pressed downwards, and the fastening nut is pressed downwards. When the fastening device is used, only the fastening nut needs to be rotated, and after the fastening nut is separated from the fastening piece, the fastening piece ascends under the upward pulling action of the spring, so that the fastening piece does not need to be manually taken out and independently placed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of governing valve, especially a flow control device of electric single seat governing valve. BACKGROUND

[0002] Electric single seat governing valve is composed of single seat governing valve body and mechanical straight stroke electric actuator, it accepts the signal from regulating instrument, changes the flow or pressure of the medium to be regulated, makes the process parameter (temperature, pressure, flow, liquid level) of the medium to be regulated reach the required value, it is widely used in automation control of electric power, metallurgy, petroleum, chemical industry, light textile, pharmacy, papermaking and other industries, electric single seat governing valve is matched with electric operator and servo amplifier for remote control, realizes accurate automatic regulation, and electric governing valve has the following advantages compared with pneumatic single seat governing valve: large allowable pressure difference, sensitive action, convenient energy utilization, rapid signal transmission and long transmission distance.

[0003] However, the electric single seat governing valve has some deficiencies at present, the electric actuator cover of the electric single seat governing valve is fixed on the support frame through the cooperation of the fastener and the fastening nut, in the installation process, the fastener needs to be fixed on the upper side by using a tool, then the fastening nut is rotated by using another tool, and after the fastening nut is disassembled, the fastener also needs to be manually taken out, so it is troublesome. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a flow control device of electric single seat governing valve, which can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] A flow control device of electric single seat governing valve, comprising a valve body, a valve cover and a support frame, the upper surface of the valve body is fixedly installed with the valve cover, the upper surface of the valve cover is fixedly installed with the support frame, the upper surface of the support frame is fixedly installed with an electric actuator cover, the surface of the electric actuator cover and below is fixedly installed with a support block, the inside of the support block is embedded with a fastener, the surface of the support frame and close to the upper side is fixedly installed with a mounting block, and the surface of the fastener and below is sleeved with a fastening nut.

[0007] Preferably, the inside of the support block is provided with a lifting groove, and the inside of the lifting groove is longitudinally provided with a limiting sliding groove on the two side surfaces.

[0008] Preferably, the fastener comprises a stop block, a guide rod, a supporting ring, a limiting sliding block and a spring, the lower surface of the stop block is fixedly installed with the guide rod, and the guide rod penetrates through the lifting groove and the mounting block.

[0009] Preferably, a supporting ring is fixedly sleeved on the surface of the guide rod inside the lifting groove, a spring is sleeved on the surface of the guide rod inside the lifting groove and above the supporting ring, and the two side surfaces of the supporting ring are fixedly installed with limit sliding blocks.

[0010] Preferably, the surface of the guide rod and below the supporting ring is provided with a thread, the upper end of the spring is fixed with the upper surface inside the lifting groove, and the lower end of the spring is fixed with the supporting ring.

[0011] Preferably, the limit sliding blocks are embedded in limit sliding grooves, and the number of the supporting blocks is four.

[0012] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0013] In the utility model, when the electric actuator cover is installed on the supporting frame, the fastener is pressed downward, the lower end of the guide rod of the fastener penetrates through the mounting block, then the fastening nut is sleeved on the guide rod and is continuously rotated until the electric actuator cover is fixed on the supporting frame, when the electric actuator cover is disassembled, only the fastening nut is rotated, after the fastening nut is separated from the fastener, the fastener is lifted under the pulling action of the spring, so that the fastener does not need to be manually taken out and separately placed. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is an overall structural diagram of the flow control device of the electric single-seat regulating valve;

[0015] Figure 2 It is an overall structural diagram of the flow control device of the electric single-seat regulating valve; Figure 1 It is an enlarged view of A in the figure;

[0016] Figure 3 It is a partial sectional view of the supporting block of the flow control device of the electric single-seat regulating valve;

[0017] Figure 4 It is a structure diagram of the fastener of the flow control device of the electric single-seat regulating valve.

[0018] In the figure: 1, valve body; 2, valve cover; 3, supporting frame; 4, electric actuator cover; 5, supporting block; 501, lifting groove; 502, limit sliding groove; 6, fastener; 601, stop block; 602, guide rod; 603, supporting ring; 604, limit sliding block; 605, spring; 7, mounting block; 8, fastening nut. DETAILED DESCRIPTION

[0019] In order to make the technical means, creation characteristics, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0020] As Figures 1-4 The utility model provides a flow control device of electric single seat regulating valve, including valve body 1, valve cover 2 and support frame 3, the upper surface of valve body 1 is fixedly installed with valve cover 2, the upper surface of valve cover 2 is fixedly installed with support frame 3, the upper surface of support frame 3 is fixedly installed with electric actuator cover 4, the surface of electric actuator cover 4 and below fixedly installed with support block 5, the inside of support block 5 is embedded with fastener 6, the surface of support frame 3 and close to the upper surface fixedly installed with mounting block 7, the surface of fastener 6 and below is equipped with fastening nut 8.

[0021] The inside of support block 5 is provided with lifting groove 501, the inside both sides surface of lifting groove 501 is longitudinally provided with limit sliding slot 502, and the cooperation of limit sliding slot 502 and limit sliding block 604 can prevent fastener 6 from rotating;Fastener 6 includes stop block 601, guide rod 602, support ring 603, limit sliding block 604 and spring 605, the lower surface of stop block 601 is fixedly installed with guide rod 602, guide rod 602 penetrates lifting groove 501 and mounting block 7, spring 605 has the upward tension of support ring 603;The surface of guide rod 602 in the inside of lifting groove 501 is fixedly equipped with support ring 603, the surface of guide rod 602 in the inside of lifting groove 501 and above support ring 603 is equipped with spring 605, the both sides surface of support ring 603 is fixedly installed with limit sliding block 604;The surface of guide rod 602 and below support ring 603 is provided with screw thread, the upper end of spring 605 is fixed with the inside upper surface of lifting groove 501, and the lower end of spring 605 is fixed with support ring 603;Limit sliding block 604 is embedded in limit sliding slot 502, and the number of support block 5 is four.

[0022] It should be noted that the utility model is a kind of flow control device of electric single seat regulating valve, when electric actuator cover 4 is installed on support frame 3 when using, press fastener 6 downwards, so that the lower end of guide rod 602 of fastener 6 passes through mounting block 7, then fastening nut 8 is sleeved on guide rod 602 and is continuously rotated, until electric actuator cover 4 is fixed on support frame 3, when disassembling electric actuator cover 4, only need to rotate fastening nut 8, when fastening nut 8 is separated from fastener 6, fastener 6 is lifted under the upper pulling action of spring 605, so that fastener 6 does not need to be taken out and placed separately manually.

[0023] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A flow control device for an electrically powered single seat regulating valve, characterized by: Including the valve body (1), the valve cover (2) and the support frame (3), the upper surface of the valve body (1) is fixedly installed with the valve cover (2), the upper surface of the valve cover (2) is fixedly installed with the support frame (3), the upper surface of the support frame (3) is fixedly installed with the electric actuator cover (4), the surface of the electric actuator cover (4) and below is fixedly installed with the support block (5), the inside of the support block (5) is embedded with the fastener (6), the surface of the support frame (3) and close to the upper surface is fixedly installed with the mounting block (7), the surface of the fastener (6) and below is sleeved with the fastening nut (8).

2. The flow control device of a motorized single seat control valve according to claim 1, wherein: The inside of the support block (5) is provided with a lifting groove (501), and the inside of the lifting groove (501) is longitudinally provided with a limiting sliding groove (502) on both sides.

3. The flow control device of claim 2, wherein: The fastener (6) includes a stop block (601), a guide rod (602), a support ring (603), a limiting sliding block (604) and a spring (605), the lower surface of the stop block (601) is fixedly installed with the guide rod (602), and the guide rod (602) penetrates the lifting groove (501) and the mounting block (7).

4. The flow control device of claim 3, wherein: The surface of the guide rod (602) in the lifting groove (501) is fixedly sleeved with the support ring (603), the surface of the guide rod (602) in the lifting groove (501) and above the support ring (603) is sleeved with the spring (605), and the both sides of the support ring (603) are fixedly installed with the limiting sliding block (604).

5. The flow control device of claim 4, wherein: The surface of the guide rod (602) and below the support ring (603) is provided with a thread, the upper end of the spring (605) is fixed with the inside upper surface of the lifting groove (501), and the lower end of the spring (605) is fixed with the support ring (603).

6. The flow control device of claim 5, wherein: The limiting sliding block (604) is embedded in the limiting sliding groove (502), and the number of the support block (5) is four.

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