Electric control gate valve

Abstract

The utility model discloses an electric control gate valve, which relates to the technical field of gate valves, and comprises a gate valve body, a sealing protection assembly is arranged on the side surface of the gate valve body, the sealing protection assembly comprises a protection sleeve, the protection sleeve is sleeved on the side surface of the gate valve body, one side of the protection sleeve is fixedly connected with a first locking plate, and the other side of the protection sleeve is fixedly connected with a second locking plate. A rotating hole is formed in the first locking plate, an anti-disengagement hole is formed in the bottom of the inner wall of the rotating hole, and a connecting rod is movably connected into the anti-disengagement hole. According to the electric control gate valve, the sealing protection assembly and the protection sleeve are installed to cover the connecting area of the first connecting flange and the second connecting flange, collision and corrosion of external objects to the connecting position are effectively prevented, therefore, the sealing performance of the connecting position is protected, the service life of the gate valve is prolonged, meanwhile, simple pressing and rotating operation is achieved, and use is convenient. The protective sleeve is firmly fixed and easily detached, the working efficiency is greatly improved, and a worker can conveniently maintain the protective sleeve.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of gate valve, concretely is a kind of electric control gate valve. BACKGROUND

[0002] Gate valve is a kind of open-close piece, its movement direction is perpendicular to the valve of fluid direction, mainly for the medium flow in pipeline of full open or full close, when gate valve is closed, sealing surface can rely on medium pressure to carry out self-sealing, i.e. medium pressure is pressed to the sealing surface of gate plate towards valve seat, ensure sealing effect, but most gate valves adopt forced sealing mode, i.e. when valve is closed, gate plate is pressed to valve seat by external force, to ensure the tightness of sealing surface, existing gate valve is divided into two kinds of manual gate valve and electric gate valve.

[0003] Electric gate valve is connected with pipeline by screw rod, the connecting place between gate valve and pipeline often bears the influence of various external forces and environmental factors, and the connecting place is easily collided and corroded by external objects, so as to cause damage, and these damages can affect the sealing performance of the connecting place.

[0004] Therefore, the skilled in the art provides an electric control gate valve to solve the problems raised in the above background. SUMMARY

[0005] The utility model aims at providing an electric control gate valve to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] An electric control gate valve, comprising a gate valve body, a sealing protection assembly is arranged on the side surface of the gate valve body, the sealing protection assembly comprises a protection sleeve, the protection sleeve is sleeved on the side surface of the gate valve body, one side of the protection sleeve is fixedly connected with a locking plate one, a rotating hole is arranged in the locking plate one, a anti-escape hole is arranged in the bottom of the inner wall of the rotating hole, a connecting rod is movably connected in the anti-escape hole, a knob is fixedly connected to the top of the connecting rod, a reset spring is sleeved on the side surface of the connecting rod, a special-shaped limiting rod is fixedly connected to the side surface of the connecting rod, the other side of the protection sleeve is fixedly connected with a locking plate two, a limiting groove is arranged in the locking plate two, and a special-shaped connecting groove is fixedly connected to the top of the inner wall of the limiting groove.

[0008] As a further scheme of the utility model: the side surface of the gate valve body is fixedly sleeved with a first connecting flange, one side of the first connecting flange is movably connected with a second connecting flange, the inside of the second connecting flange is fixedly connected with a connecting pipeline, the size of the first connecting flange and the second connecting flange is consistent, and the connecting pipeline is connected with the gate valve body.

[0009] As a further scheme of the utility model: the top of the gate valve body is fixedly connected with a protection frame, the top of the protection frame is fixedly connected with a supporting column, the top of the supporting column is provided with a motor, the transmission end of the motor is fixedly connected with a speed reducer, one side of the speed reducer is fixedly connected with a control box.

[0010] As a further scheme of the utility model: the bottom of the speed reducer is connected with a valve rod, the bottom of the valve rod is fixedly connected with a valve plate, the inside of the gate valve body is provided with a base material layer.

[0011] As a further scheme of the utility model: the inside of the gate valve body is provided with a base material layer, the inside of the base material layer is provided with an anti-corrosion layer, the outside of the anti-corrosion layer is provided with a wear-resistant layer.

[0012] As a further scheme of the utility model: the protective sleeve is symmetrically distributed up and down, the locking plate one is symmetrically distributed left and right, the locking plate two is symmetrically distributed left and right, the locking plate one and the locking plate two are consistent in size.

[0013] As a further scheme of the utility model: the special-shaped limiting rod is attached to the inner wall of the anti-falling hole, the diameter of the reset spring is greater than the diameter of the anti-falling hole, and the diameter of the anti-falling hole is less than the diameter of the rotating hole.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. By installing the sealing protection assembly, the protective sleeve covers the connection area of the first connecting flange and the second connecting flange, effectively preventing the collision and corrosion of external objects on the connection, thereby protecting the sealing performance of the connection and prolonging the service life of the gate valve, and at the same time, simple pressing and rotating operation realizes firm fixing and easy dismounting of the protective sleeve, greatly improves work efficiency, and facilitates maintenance of workers.

[0016] 2. The special-shaped limiting rod cooperates with the inner wall of the limiting groove, and the force of the reset spring, so that the locking plate one and the locking plate two can be tightly connected, ensuring the stability of the protective sleeve on the gate valve body, and the protective sleeve is not easy to fall off even in harsh working environment. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic diagram of an electric control gate valve.

[0018] Figure 2 It is an explosion structure schematic diagram of an electric control gate valve.

[0019] Figure 3 It is a partial sectional view structure schematic diagram of an electric control gate valve.

[0020] Figure 4 A kind of electric control gate valve Figure 3 Amplification structure schematic view at A in it.

[0021] Figure 5 A kind of electric control gate valve partial amplification structure schematic view

[0022] Figure 6 A kind of electric control gate valve gate valve body component structure schematic view

[0023] In the figure: 1, gate valve body;2, sealing protection component;201, protection cover;202, lock plate one;203, rotating hole;204, anti-off hole;205, connecting rod;206, knob;207, reset spring;208, special-shaped limit rod;209, lock plate two;210, limit slot;211, special-shaped connecting slot;3, first connecting flange;4, second connecting flange;5, connecting pipeline;6, protection frame;7, support column;8, motor;9, speed reducer;10, control box;11, valve rod;12, valve plate;13, base material layer;14, anticorrosion layer;15, wear-resistant layer. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Embodiment 1

[0026] Reference Figure 1 - Figure 4The embodiment provides an electric control gate valve, which comprises a gate valve body 1, a sealing protection assembly 2 is arranged on the side surface of the gate valve body 1, the sealing protection assembly 2 comprises a protection sleeve 201, the protection sleeve 201 is sleeved on the side surface of the gate valve body 1, one side of the protection sleeve 201 is fixedly connected with a locking plate one 202, a rotating hole 203 is arranged in the locking plate one 202, a anti-escape hole 204 is arranged in the bottom of the inner wall of the rotating hole 203, a connecting rod 205 is movably connected in the anti-escape hole 204, a knob 206 is fixedly connected to the top of the connecting rod 205, a reset spring 207 is sleeved on the side surface of the connecting rod 205, a special-shaped limiting rod 208 is fixedly connected to the side surface of the connecting rod 205, the other side of the protection sleeve 201 is fixedly connected with a locking plate two 209, a limiting groove 210 is arranged in the locking plate two 209, a special-shaped connecting groove 211 is fixedly connected to the top of the inner wall of the limiting groove 210, a first connecting flange 3 is fixedly sleeved on the side surface of the gate valve body 1, a second connecting flange 4 is movably connected to one side of the first connecting flange 3, a connecting pipeline 5 is fixedly connected in the second connecting flange 4, the first connecting flange 3 and the second connecting flange 4 are of the same size, the connecting pipeline 5 is communicated with the gate valve body 1, when in use, the first connecting flange 3 and the second connecting flange 4 are connected together, so that the connecting pipeline 5 is communicated with the gate valve body 1, then the two protection sleeves 201 are sleeved on the side surface of the gate valve body 1, so that the protection sleeve 201 covers the connecting area of the first connecting flange 3 and the second connecting flange 4, meanwhile, the locking plate one 202 and the locking plate two 209 are attached together, at this moment, the connecting rod 205 and the special-shaped limiting rod 208 enter the special-shaped connecting groove 211, the worker presses the knob 206 downward, the knob 206 pushes the connecting rod 205 to move downward, so that the reset spring 207 is compressed, the special-shaped limiting rod 208 enters the limiting groove 210, the knob 206 is rotated by 90 degrees and is released, under the action force of the reset spring 207, the special-shaped limiting rod 208 is matched with the inner wall of the limiting groove 210, the locking plate one 202 and the locking plate two 209 are tightly connected, and the protection sleeve 201 is fixedly arranged on the gate valve body 1.

[0027] Embodiment 2

[0028] With reference to Figure 1 - Figure 6The embodiment is based on the previous embodiment, and differs from the previous embodiment in that the top of the gate valve body 1 is fixedly connected with a protective frame 6, the top of the protective frame 6 is fixedly connected with a support column 7, the top of the support column 7 is provided with an electric motor 8, the transmission end of the electric motor 8 is fixedly connected with a speed reducer 9, one side of the speed reducer 9 is fixedly connected with a control box 10, the bottom of the speed reducer 9 is connected with a valve rod 11, the bottom of the valve rod 11 is fixedly connected with a valve plate 12, the inside of the gate valve body 1 is provided with a base material layer 13, the inside of the gate valve body 1 is provided with a base material layer 13, the inside of the base material layer 13 is provided with an anti-corrosion layer 14, the outside of the anti-corrosion layer 14 is provided with a wear-resistant layer 15, the protective sleeve 201 is symmetrically distributed up and down, the locking plate one 202 is symmetrically distributed left and right, the locking plate two 209 is symmetrically distributed left and right, the locking plate one 202 is consistent with the locking plate two 209, the special-shaped limiting rod 208 is attached to the inner wall of the anti-extraction hole 204, the diameter of the reset spring 207 is greater than the diameter of the anti-extraction hole 204, the diameter of the anti-extraction hole 204 is smaller than the diameter of the rotating hole 203, after the connection is completed, the valve rod 11 and the valve plate 12 are driven to move through the electric motor 8, the opening and closing of the gate valve body 1 are realized, the base material layer 13, the anti-corrosion layer 14 and the wear-resistant layer 15 in the gate valve body 1 ensure the long-term stable operation of the gate valve, when it is necessary to disassemble or maintain, the knob 206 is pressed and reversely rotated by ninety degrees, the special-shaped limiting rod 208 is withdrawn from the limiting groove 210, under the action of the reset spring 207, the connecting rod 205 and the special-shaped limiting rod 208 return to the initial position, the connection of the locking plate one 202 and the locking plate two 209 is released, and the protective sleeve 201 is removed.

[0029] It is apparent for a person skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalents of the essential elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be considered as limiting the claims involved.

[0030] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by a person skilled in the art.

Claims

1. An electrically operated control gate valve comprising a gate valve body (1), characterized in that, The side surface of the gate valve body (1) is provided with a sealing protection assembly (2), the sealing protection assembly (2) comprises a protective sleeve (201), the protective sleeve (201) is sleeved on the side surface of the gate valve body (1), one side of the protective sleeve (201) is fixedly connected with a locking plate one (202), the inside of the locking plate one (202) is provided with a rotating hole (203), the bottom of the inner wall of the rotating hole (203) is provided with an anti-coming-off hole (204), the inside of the anti-coming-off hole (204) is movably connected with a connecting rod (205), the top of the connecting rod (205) is fixedly connected with a knob (206), the side surface of the connecting rod (205) is sleeved with a reset spring (207), the side surface of the connecting rod (205) is fixedly connected with a special-shaped limiting rod (208), the other side of the protective sleeve (201) is fixedly connected with a locking plate two (209), the inside of the locking plate two (209) is provided with a limiting groove (210), the top of the inner wall of the limiting groove (210) is fixedly connected with a special-shaped connecting groove (211).

2. An electrically operated control gate valve according to claim 1, wherein, The side surface of the gate valve body (1) is fixedly sleeved with a first connecting flange (3), one side of the first connecting flange (3) is movably connected with a second connecting flange (4), the inside of the second connecting flange (4) is fixedly connected with a connecting pipeline (5), the size of the first connecting flange (3) and the second connecting flange (4) is consistent, the connecting pipeline (5) is communicated with the gate valve body (1).

3. An electrically operated control gate valve according to claim 1, wherein, The top of the gate valve body (1) is fixedly connected with a protection frame (6), the top of the protection frame (6) is fixedly connected with a supporting column (7), the top of the supporting column (7) is provided with a motor (8), the transmission end of the motor (8) is fixedly connected with a speed reducer (9), one side of the speed reducer (9) is fixedly connected with a control box (10).

4. An electrically operated control valve according to claim 3, wherein The bottom of the speed reducer (9) is connected with a valve rod (11), the bottom of the valve rod (11) is fixedly connected with a valve plate (12), the inside of the gate valve body (1) is provided with a base material layer (13).

5. An electrically operated control gate valve according to claim 1, wherein, The inside of the gate valve body (1) is provided with a base material layer (13), the inside of the base material layer (13) is provided with a corrosion-resistant layer (14), the outer side of the corrosion-resistant layer (14) is provided with a wear-resistant layer (15).

6. An electrically operated control gate valve according to claim 1, wherein, The protective sleeve (201) is symmetrically distributed up and down, the locking plate one (202) is symmetrically distributed left and right, the locking plate two (209) is symmetrically distributed left and right, the size of the locking plate one (202) and the locking plate two (209) is consistent.

7. An electrically operated control gate valve according to claim 1, wherein, The special-shaped limiting rod (208) is fitted with the inner wall of the anti-coming-off hole (204), the diameter of the reset spring (207) is greater than the diameter of the anti-coming-off hole (204), the diameter of the anti-coming-off hole (204) is smaller than the diameter of the rotating hole (203).

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