Mechanical chuck for electrically opening and closing valve

Abstract

The utility model belongs to the technical field of valve opening and closing, and particularly relates to a mechanical chuck for electrically opening and closing a valve. The inner-layer disc is coaxially and rotatably mounted in the outer-layer disc; the ends, provided with openings in the axial direction, of the outer-layer disc and the inner-layer disc are connected with a plurality of clamping structures, each clamping structure comprises a first clamping jaw and a second clamping jaw, the first clamping jaws are connected with the outer-layer disc, and the second clamping jaws are connected with the inner-layer disc. In each clamping structure, a first clamping groove and a second clamping groove are formed in the sides, close to each other, of the first clamping jaw and the second clamping jaw correspondingly. The inner-layer disc is provided with an inner fastening hole, the outer-layer disc is provided with an outer fastening hole matched with the inner fastening hole, and after the valve hand valve is connected, the inner-layer disc and the outer-layer disc are fixed by connecting the inner fastening hole and the outer fastening hole through a screw. The mechanical chuck can be used for connecting the valve hand valve with an electric starting device, electric opening and closing of the valve hand valve are achieved, labor loss is reduced, and operation is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to valve opening and closing technical field, concretely relates to a mechanical chuck for valve electric opening and closing. BACKGROUND

[0002] In the operation and maintenance of industrial production and various pipeline systems, the operation control of the valve is crucial. As a key component for regulating the flow, pressure and other parameters of fluid medium, the convenience and accuracy of the opening and closing of the valve directly affect the operation efficiency and safety of the entire system.

[0003] Water power stations and the like need to use large gate valves. Due to certain reasons (such as: humid environment, narrow space, etc.), the installation conditions of electric valves cannot be met, so there are many mechanical valves. The mechanical valves need to be manually opened and closed by personnel, which is time-consuming and laborious, and is not convenient for plant operation and maintenance personnel to operate.

[0004] Therefore, the utility model is proposed. UTILITY MODEL CONTENT

[0005] In order to solve the technical problems existing in the prior art, the utility model provides a mechanical chuck for valve electric opening and closing.

[0006] The utility model includes the following technical schemes:

[0007] The utility model provides a mechanical chuck for valve electric opening and closing, which comprises an outer disc and an inner disc, the inner disc is coaxially rotatably installed in the outer disc;

[0008] The outer disc and the inner disc have a plurality of clamping structures connected to one end of the opening in the axial direction, the clamping structure comprises a first jaw and a second jaw, the first jaw is connected to the outer disc, and the second jaw is connected to the inner disc; in each clamping structure, the first jaw and the second jaw are respectively provided with a first clamping groove and a second clamping groove on the side close to each other;

[0009] The inner disc is provided with an inner fastening hole, the outer disc is provided with an outer fastening hole matched with the inner fastening hole, and the inner disc and the outer disc are fixed by screwing the inner fastening hole and the outer fastening hole after connecting the valve hand valve.

[0010] Further, a plurality of arc-shaped sliding grooves are formed in the wall surface of the outer disc, a plurality of control handles are connected to the outer wall surface of the inner disc, one end of the plurality of control handles is fixedly connected to the inner disc, and the other end is slidably arranged in the arc-shaped sliding groove.

[0011] Further, the outer wall surface of the outer disc is connected with a handle.

[0012] Further, the inner wall surface of the outer disc is matched with the outer wall surface of the inner disc.

[0013] Further, the clamping structure is provided with 4.

[0014] Further, the first clamping groove is a V-shaped groove.

[0015] Further, the second clamping groove is a V-shaped groove.

[0016] By adopting the technical scheme, the utility model discloses the following advantages:

[0017] 1, the mechanical chuck of the utility model can be used for connecting the valve hand valve with the electric starting device, realizes the electric power opening and closing of the valve hand valve, reduces the artificial loss, and is more convenient to operate.

[0018] 2, the utility model is composed of first clamping jaw, second clamping jaw and corresponding first clamping groove and second clamping groove, can realize accurate self -adaptation clamping through the flexible control of control handle according to the size of different valve hand wheels, whether it is small or large valve hand wheel, the mechanical chuck can be closely fitted, provides reliable fixing force, effectively avoids the problem such as slippage, loosening because of clamping not firm in the operation process. On the other hand, when the clamping part clamps the valve hand wheel, the outer fastening hole and the inner fastening hole coincide, the inner layer disc and the outer layer disc are further locked using the fastening bolt, so that the rigidity of the whole chuck structure is greatly increased, even under the high torque electric drive, the valve can still maintain a stable clamping state, guarantee the safety and accuracy of operation, adapt to various complex working conditions.

[0019] 3, the utility model discloses the coupling is set up and is stably connected with the drive drill, successfully builds up the efficient power transmission link, realizes the accurate control from electric drive to chuck rotation. At the same time, with the help of the positioning plate connected by the coupling and the connecting port arranged on the positioning plate, the bad displacement of the coupling during operation can be effectively inhibited, so that the power transmission is stable and undisturbed. The opening and closing of the valve can be accurately carried out according to the set angle and speed, meeting the needs of fine regulation and control of fluid medium in industries such as chemical industry and energy industry.

[0020] 4, the utility model discloses the mechanical chuck for valve electric opening and closing, compared with the traditional manual operation valve mode, can be tightly clamped to the valve hand wheel through the mechanical structure, and the accurate and efficient rotation control is realized by means of the electric drive device.

[0021] Other features and advantages of the utility model will be set forth in the subsequent description, and, partially, become obvious from the description, or be understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structure indicated in the description and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the structure of a mechanical chuck for electric valve opening and closing in an embodiment of the present invention;

[0024] Figure 2 This is a schematic diagram of the outer disk structure in an embodiment of the present invention;

[0025] Figure 3 This is a schematic diagram of the inner disk structure in an embodiment of the present invention;

[0026] Figure 4 This is a schematic diagram of the structure of an electric valve opening and closing device in an embodiment of this utility model;

[0027] In the diagram, 1-outer disc, 2-inner disc, 100-first jaw, 200-second jaw, 110-first slot, 210-second slot, 4-arc-shaped groove, 5-outer fastening hole, 6-inner fastening hole, 7-control handle, 8-handle, 9-coupling, 10-positioning plate, 11-connection port, 12-drive drill. Detailed Implementation

[0028] The following description provides many different embodiments or examples for implementing various features of the present invention. The elements and arrangements described in the specific examples below are only for concise expression of the present invention and are merely examples, not intended to limit the present invention.

[0029] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0030] This embodiment provides a mechanical chuck for electrically opening and closing valves, such as... Figure 1 As shown, it includes an outer disk 1 and an inner disk 2, wherein the inner disk 2 is coaxially rotatably mounted inside the outer disk 1;

[0031] The outer disc 1 and the inner disc 2 have a plurality of clamping structures connected to one end of the opening in the axial direction, the clamping structure comprises a first jaw 100 and a second jaw 200, the first jaw 100 is connected to the outer disc 1, and the second jaw 200 is connected to the inner disc 2; in each clamping structure, the side of the first jaw 100 and the second jaw 200 close to each other is respectively provided with a first clamping groove 110 and a second clamping groove 210. The clamping structure composed of the first jaw 100, the second jaw 200, and the first clamping groove 110 and the second clamping groove 210 on them cooperates with the linkage of the control handle 7 and the arc-shaped sliding groove 4, and by sliding the control handle 7 along the arc-shaped sliding groove 4, the rotation of the inner disc 2 is accurately controlled, and then the size of the clamping part is changed, so that the stable and self-adaptive clamping of the valve hand wheel is realized. The above innovative clamping and adjusting method and related structure design belong to the patent protection category.

[0032] The inner disc 2 is provided with an inner fastening hole 6, and the outer disc 1 is provided with an outer fastening hole 5 matched with the inner fastening hole 6. After connecting the valve hand valve, the inner fastening hole 6 and the outer fastening hole 5 are connected by screws to fix the inner disc 2 and the outer disc 1.

[0033] In some embodiments, as shown in Figure 2 The wall surface of the outer disc 1 is provided with a plurality of arc-shaped sliding grooves 4, as shown in Figure 3 The outer wall surface of the inner disc 2 is connected with a plurality of control handles 7, one end of the plurality of control handles 7 is fixedly connected with the inner disc 2, and the other end is slidingly arranged in the arc-shaped sliding groove 4. The control handle 7 and the arc-shaped sliding groove 4 are the key to realize flexible operation of the chuck. The control handle 7 is a direct force applying component for the operator, and its sliding trajectory along the arc-shaped sliding groove 4 directly corresponds to the rotation angle of the inner disc 2, which determines whether the clamping part can be quickly and accurately adjusted, and is the key point to realize convenient operation and wide applicability of the device.

[0034] In some embodiments, as shown in Figure 2 The outer wall surface of the outer disc 1 is connected with a handle 8.

[0035] In some embodiments, as shown in Figure 1 The inner wall surface of the outer disc 1 is matched with the outer wall surface of the inner disc 2.

[0036] In some embodiments, as shown in Figure 1 The clamping structure is provided with four.

[0037] In some embodiments, the first clamping groove 110 is a V-shaped groove.

[0038] In some embodiments, the second clamping groove 210 is a V-shaped groove.

[0039] Exemplary, the outer surface of the outer disc 1 is provided with a plurality of arc-shaped sliding grooves 4, the outer wall of the inner disc 2 is fixedly provided with a control handle 7, the control handle 7 extends horizontally and outwardly through the arc-shaped sliding groove 4, the control handle 7 controls the rotation of the inner disc 2 in the outer disc 1 by sliding along the arc-shaped sliding groove 4, the outer side of the outer disc 1 is provided with a plurality of first clamping jaws 100, the lower side of the inner disc 2 is provided with a plurality of second clamping jaws 200, the control handle 7 drives the inner disc 2 to rotate in the outer disc 1 by sliding, which facilitates the adjustment of the distance between the first clamping jaw 100 and the second clamping jaw 200, the side of the adjacent first clamping jaw 100 and the second clamping jaw 200 that are close to each other is respectively provided with a first clamping groove 110 and a second clamping groove 210, and the first clamping groove 110 and the second clamping groove 210 are close to each other to form a clamping part;

[0040] The control handle 7 drives the inner disc 2 to rotate in the outer disc 1 by sliding in the arc-shaped sliding groove 4, and the inner disc 2 rotates with the second clamping jaw 200 approaching or moving away from the first clamping jaw 100, and the first clamping jaw 100 and the second clamping jaw 200 are close to each other to facilitate the clamping part to fix the valve hand wheel;

[0041] In the initial state, the first clamping groove 110 and the second clamping groove 210 are close to each other to form a clamping part with a large hollow area, the chuck is arranged on the valve hand wheel at this time, the control handle 7 controls the rotation of the inner disc 2 by moving, so that the clamping part gradually shrinks, thereby fixing the valve hand wheel.

[0042] The outer side of the outer disc 1 is provided with an outer fastening hole 5, and the outer side of the inner disc 2 is provided with an inner fastening hole 6, when the clamping part clamps the valve hand wheel, the inner fastening hole 6 and the outer fastening hole 5 are distributed in an inner-outer overlapping manner, the outer fastening hole 5 and the inner fastening hole 6 are fastened by a fastening bolt, at this time, the inner disc 2 is distributed in a relatively fixed manner in the outer disc 1, the chuck composed of the outer disc 1 and the inner disc 2 fixes the valve hand wheel, and the chuck rotates to drive the valve hand wheel to rotate.

[0043] From the large hollow area of the clamping part in the initial state to facilitate the arrangement of the valve hand wheel, to the rotation of the inner disc 2 by the control handle 7 to realize the shrinkage and fixation of the clamping structure, and then to the overlapping locking of the inner and outer fastening holes 5, this series of steps constitutes a complete adaptive adjustment process, and each link is closely connected, which is the key point for the device to realize reliable fixation and driving for different valve hand wheels.

[0044] The embodiment also provides a valve electric opening and closing device, as shown in the accompanying drawings, Figure 4 The outer disc 1 is connected to the drive drill 12 at the other end in the axial direction.

[0045] In some embodiments, a coupling 9 is further included, and the driving drill 12 is connected to the outer layer disc 1 through the coupling 9.

[0046] In some embodiments, a positioning plate 10 is further included, and the positioning plate 10 is provided with a connecting port 11 at both ends, and the connecting port 11 at one end is sleeved on the coupling 9. The positioning plate 10 and the connecting port 11 at the outer circle of the coupling 9 are provided, the displacement and the shaking of the coupling 9 in operation are effectively inhibited through the rope limiting, the stability and the accuracy of the power transmission are ensured, and the key point of realizing the accurate opening and closing of the valve motor is realized.

[0047] In use, the mechanical chuck is first fastened to the valve hand wheel, the driving drill 12 is used to control the rotation of the coupling 9, the coupling 9 drives the rotation of the chuck, so that the chuck drives the rotation of the valve hand wheel, the connecting port 11 provided on the positioning plate 10 is convenient for binding the rope, in work, the positioning plate 10 is distributed in a relatively fixed state through the rope, the positioning plate 10 limits the position of the coupling 9, the output end of the driving drill 12 is fixedly connected to the coupling 9, the rotation of the coupling 9 is controlled through the driving drill 12, and the coupling 9 drives the forward and reverse rotation of the chuck.

[0048] In the description of the present application, the terms "first", "second" are only used for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more than two, unless otherwise specifically limited.

[0049] In the description of the present application, it should be noted that, unless otherwise specifically specified and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection or can communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between a plurality of elements or the interaction relationship between a plurality of elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific situation.

[0050] In the description of the present application, it should be understood that all the terms for indicating the position or the positional relationship are based on the position or the positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and is not intended to indicate or imply that the indicated device or element must have a specific position, be constructed and operated in a specific position, and cannot be understood as a limitation of the present application.

[0051] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features therein can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A mechanical chuck for electrically opening and closing valves, characterized in that, It includes an outer disk (1) and an inner disk (2), wherein the inner disk (2) is coaxially rotatably mounted inside the outer disk (1); The outer disk (1) and the inner disk (2) are connected to a plurality of clamping structures at one end with an axial opening. The clamping structure includes a first claw (100) and a second claw (200). The first claw (100) is connected to the outer disk (1), and the second claw (200) is connected to the inner disk (2). In each clamping structure, a first slot (110) and a second slot (210) are respectively provided on the side of the first claw (100) and the second claw (200) that are close to each other. The inner plate (2) is provided with an inner fastening hole (6), and the outer plate (1) is provided with an outer fastening hole (5) that cooperates with the inner fastening hole (6). After the valve hand valve is connected, the inner fastening hole (6) and the outer fastening hole (5) are connected by screws to fix the inner plate (2) and the outer plate (1).

2. A mechanical chuck for electrically opening and closing valves according to claim 1, characterized in that, The outer disk (1) has multiple through arc-shaped grooves (4) on its wall surface. The outer wall surface of the inner disk (2) is connected to multiple control handles (7). One end of each control handle (7) is fixedly connected to the inner disk (2), and the other end is slidably disposed in the arc-shaped groove (4).

3. A mechanical chuck for electrically opening and closing valves according to claim 2, characterized in that, The outer wall of the outer disk (1) is connected to a handle (8).

4. A mechanical chuck for electrically opening and closing valves according to any one of claims 1-3, characterized in that, The inner wall surface of the outer disk (1) is adapted to the outer wall surface of the inner disk (2).

5. A mechanical chuck for electrically opening and closing valves according to claim 1, characterized in that, The clamping structure is provided in four parts.

6. A mechanical chuck for electrically opening and closing valves according to claim 1, characterized in that, The first slot (110) is a V-shaped slot.

7. A mechanical chuck for electrically opening and closing valves according to claim 6, characterized in that, The second slot (210) is a V-shaped slot.

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