Anti-loose locking hand wheel for pressure regulating valve

Abstract

The utility model discloses an anti-loosing locking hand wheel for a pressure regulating valve, and particularly relates to the technical field of pressure valve accessories, the anti-loosing locking hand wheel for the pressure regulating valve comprises a hand wheel assembly, locking assemblies are arranged on the two sides of the hand wheel assembly, and the anti-loosing locking hand wheel for the pressure regulating valve drives a locking block to move outwards by controlling a sliding plate to move outwards. After the locking block is separated from a locking groove formed in the surface of the pressure regulating valve, locking of a hand wheel can be relieved, then a hand wheel disc is manually rotated to drive a valve element to act, pressure reduction of the pressure regulating valve is achieved, and after adjustment is completed, the two hands holding the two control frames are loosened, and under the action of a first magnetic plate and a second magnetic plate, the pressure regulating valve can be opened and closed. When the pressure regulating valve is adjusted, the two sliding plates get close to each other, so that the locking blocks can be inserted into the corresponding locking grooves, the hand wheel can be locked, that is, under the condition that adjustment of the pressure regulating valve is completed, the hand wheel is locked, the situation that a non-worker rotates the hand wheel to adjust the pressure regulating valve is avoided, and the use safety of the pressure regulating valve is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure valve accessory technical field, concretely relates to a locking hand wheel for pressure regulating valve. BACKGROUND

[0002] The valve is the control component in the fluid conveying system, has the functions such as cut-off, flow guide, flow distribution, pressure stabilization or overflow, pressure relief, mainly including valve body, valve core, valve rod and hand wheel cover, realizes opening and closing by hand wheel cover, valve rod drive valve core, when working on coal handling equipment such as coal mill in coal power plant, will need to use pressure regulating valve to adjust the pressure inside the machine.

[0003] For example, the existing patent with the publication number CN214146780U discloses a locking hand wheel for pressure regulating valve, aiming at solving the problem of poor anti-loosening effect between hand wheel and valve rod and easy loosening, comprising a hand wheel cover detachably connected with the valve rod of the pressure regulating valve, a locking screw arranged on the hand wheel cover and used for locking the valve rod, and an anti-loosening washer located between the hand wheel cover and the locking screw, further comprising a multi-angle core column in columnar shape and used for connecting between the valve rod and the hand wheel cover, the multi-angle core column is composed of a small-end multi-angle shaft, a columnar stepped shaft and a large-end multi-angle shaft arranged in sequence, the hand wheel cover is provided with a multi-angle port matched with the large-end multi-angle shaft, a stepped hole matched with the columnar stepped shaft and an internal thread I matched with the valve rod, the large-end multi-angle shaft is provided with an internal thread II matched with the locking screw, and the valve rod is provided with a multi-angle hole matched with the small-end multi-angle shaft. The locking hand wheel has simple and reliable structure and good anti-loosening locking effect.

[0004] However, the locking hand wheel for pressure regulating valve still has some deficiencies in actual use, for example, it can only avoid loosening between the hand wheel and the valve rod, but cannot lock the whole hand wheel, that is, when the pressure regulating valve is closed, the hand wheel cannot be locked, and the situation that non-working personnel rotates the pressure regulating valve to open it may occur. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a locking hand wheel for pressure regulating valve to solve the problem that, in the prior art, only the loosening between the hand wheel and the valve rod can be avoided, but the whole hand wheel cannot be locked, that is, when the pressure regulating valve is closed, the hand wheel cannot be locked, and the situation that non-working personnel rotates the pressure regulating valve to open it may occur.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A locking hand wheel for pressure regulating valve, comprising a hand wheel assembly, and locking assemblies are arranged on both sides of the hand wheel assembly;

[0008] The hand wheel assembly comprises a hand wheel disc, a valve rod is fixedly installed on the bottom surface of the hand wheel disc, two first rotary openings and two second rotary openings are formed on the top surface of the hand wheel disc, and a first circular shaft is movably inserted into each side of the hand wheel disc.

[0009] The locking assembly comprises an L-shaped plate, a sliding groove is formed on the inner side of the vertical part of the L-shaped plate, a first magnetic plate is fixedly installed on the inner back top and bottom of the sliding groove, a second circular shaft is movably inserted into the middle back of the L-shaped plate, one end of the second circular shaft is fixedly connected with the middle back of the sliding plate, the sliding plate is slidably installed in the sliding groove, a second magnetic plate is fixedly embedded on the top and bottom of the back of the sliding plate, and a locking block is fixedly installed on the front middle part of the sliding plate.

[0010] Further, one end of each of the two first circular shafts is located in the two second rotary openings, and a control frame is fixedly installed on one end of each of the two first circular shafts located in the second rotary opening.

[0011] Further, the two vertical rods correspond to the two second circular shafts, and the bottom end of the vertical rod is fixedly connected with one end of the second circular shaft.

[0012] Further, the two first magnetic plates and the two second magnetic plates correspond to each other, and the opposite faces of the first magnetic plate and the second magnetic plate are arranged to be same-pole repulsion.

[0013] Further, the two L-shaped plates are fixedly installed on the two side edges of the bottom surface of the hand wheel disc.

[0014] Further, the vertical section of the hand wheel disc is in T-shaped structure.

[0015] The embodiment of the utility model has the following advantages:

[0016] The anti-loosening locking hand wheel for the pressure regulating valve is moved outward to drive the locking block to move outward, so that the locking block is separated from the locking groove formed on the surface of the pressure regulating valve, the locking of the hand wheel is released, the hand wheel disc is manually rotated to drive the valve core to act, the pressure regulating valve is reduced in pressure, after the adjustment is completed, the two hands holding the two control frames are loosened, under the action of the first magnetic plate and the second magnetic plate, the two sliding plates are close to each other, so that the locking block is inserted into the corresponding locking groove, the hand wheel is locked, the hand wheel is locked under the condition that the pressure regulating valve is adjusted, the situation that the non-working personnel rotates the hand wheel to adjust the pressure regulating valve is avoided, and the use safety of the pressure regulating valve is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed in the embodiments or prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other drawings can be obtained from the provided drawings without creative labor.

[0018] The structures, proportions, sizes, etc. shown in the specification are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and are not used to limit the limiting conditions that can be implemented by the present application. Therefore, any modification of structure, change of proportion relationship or adjustment of size, which does not affect the effects and purposes that can be achieved by the present application, should still fall within the scope of the technical content disclosed by the present application.

[0019] Figure 1 A whole three-dimensional structure schematic view of a locking hand wheel for a pressure regulating valve is provided for the present application;

[0020] Figure 2 A bottom view three-dimensional structure schematic view of a locking hand wheel for a pressure regulating valve is provided for the present application;

[0021] Figure 3 A three-dimensional structure schematic view of a hand wheel assembly for a pressure regulating valve is provided for the present application;

[0022] Figure 4 A three-dimensional structure schematic view of a locking assembly for a locking hand wheel for a pressure regulating valve is provided for the present application;

[0023] In the figure: 1, hand wheel assembly; 101, hand wheel disc; 102, valve rod; 103, No. 1 screw opening; 104, No. 2 screw opening; 105, No. 1 circular shaft; 106, control frame; 107, vertical rod; 2, locking assembly; 201, L-shaped plate; 202, embedded sliding groove; 203, No. 1 magnetic plate; 204, No. 2 circular shaft; 205, sliding plate; 206, No. 2 magnetic plate; 207, locking block. DETAILED DESCRIPTION

[0024] The embodiments of the present application will be described below by specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the specification. Obviously, the described embodiments are only a part of the embodiments of the present application, not all. 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 the present application.

[0025] AsFigures 1-4 The utility model provides technical scheme: including hand wheel subassembly 1, both sides of hand wheel subassembly 1 are provided with locking assembly 2,

[0026] The hand wheel subassembly 1 includes hand wheel disc 101, the bottom surface fixed mounting of hand wheel disc 101 has valve stem 102, the top surface of hand wheel disc 101 is equipped with two primary screw mouth 103 and two secondary screw mouth 104, both sides of hand wheel disc 101 are movably inserted with one round shaft 105,

[0027] The locking assembly 2 includes L-shaped plate 201, the vertical portion inboard of L-shaped plate 201 is equipped with embedded slide groove 202, the inner back surface top and bottom of embedded slide groove 202 are fixedly installed with one magnetic plate 203, the back surface middle part of L-shaped plate 201 is movably inserted with second round shaft 204, one end of second round shaft 204 is fixedly connected with the back surface middle part of sliding plate 205, sliding plate 205 is slidably installed in embedded slide groove 202, the back surface top and bottom of sliding plate 205 are fixedly embedded with second magnetic plate 206, the front surface middle part of sliding plate 205 is fixedly installed with locking block 207, two one magnetic plate 203 and second magnetic plate 206 correspond one to one, and the opposite surface of one magnetic plate 203 and second magnetic plate 206 is arranged as same polarity repulsion, under the action of one magnetic plate 203 and second magnetic plate 206, two sliding plates 205 approach each other, so that locking block 207 can be inserted into the corresponding locking groove, and then the hand wheel can be locked, that is, under the condition that the pressure regulating valve is adjusted, the hand wheel is locked, the situation that non-working personnel rotates the hand wheel to adjust the pressure regulating valve is avoided, and the use safety of the pressure regulating valve is effectively improved.

[0028] One end of two one round shafts 105 is located in two secondary screw mouths 104 respectively, and one end of two one round shafts 105 located in secondary screw mouth 104 is fixedly installed with control frame 106, the other end of two one round shafts 105 is fixedly installed with vertical rod 107, in the embodiment, two vertical rods 107 correspond to two second round shafts 204 one to one, the bottom end of vertical rod 107 is fixedly connected with one end of second round shaft 204, control frame 106 moves and drives one round shaft 105 to move, one round shaft 105 moves and drives vertical rod 107 to move, under the action of vertical rod 107, second round shaft 204 moves, second round shaft 204 moves and drives sliding plate 205 to move outward, sliding plate 205 moves outward and drives locking block 207 to move outward, and then locking block 207 is seen to separate from the locking groove (the locking groove corresponding to locking block 207 is arranged on the surface of pressure regulating valve, and the locking groove is annular and evenly distributed on the surface of pressure regulating valve) arranged on the surface of pressure regulating valve, after separation, the locking of hand wheel can be released.

[0029] Two L-shaped plates 201 are fixedly installed at the two side edges of the bottom surface of the hand wheel disc 101.

[0030] The vertical section of the hand wheel disc 101 is in a T-shaped structure.

[0031] Working principle: two control frames 106 can be held by hands, and then the two control frames 106 are pulled outward by manual force, the movement of the control frames 106 drives the movement of the first circular shaft 105, the movement of the first circular shaft 105 drives the movement of the vertical rod 107, the movement of the vertical rod 107 drives the movement of the second circular shaft 204, the movement of the second circular shaft 204 drives the outward movement of the sliding plate 205, the outward movement of the sliding plate 205 drives the outward movement of the locking block 207, and then the locking block 207 is separated from the locking groove on the surface of the pressure regulating valve, after the separation, the locking of the hand wheel is released, then the hand wheel disc 101 is manually rotated, the rotation of the hand wheel disc 101 drives the rotation of the valve stem 102, when the hand wheel disc 101 is rotated clockwise, the valve stem 102 is rotated clockwise, the valve core is driven to move, and the pressure of the pressure regulating valve is increased; when the hand wheel disc 101 is rotated counterclockwise, the valve stem 102 of the pressure regulating valve is rotated counterclockwise, the valve core is driven to move, and the pressure of the pressure regulating valve is reduced, after the adjustment is completed, the hands holding the two control frames 106 are released, under the action of the first magnetic plate 203 and the second magnetic plate 206, the two sliding plates 205 approach each other, and then the locking block 207 is inserted into the corresponding locking groove, and the hand wheel is locked.

[0032] In summary, the anti-loose locking hand wheel for the pressure regulating valve drives the outward movement of the locking block 207 through the outward movement of the sliding plate 205, and then the locking block 207 is separated from the locking groove on the surface of the pressure regulating valve, after the separation, the locking of the hand wheel is released, then the hand wheel disc 101 is manually rotated, the valve core is driven to move, and the pressure of the pressure regulating valve is reduced, after the adjustment is completed, the hands holding the two control frames 106 are released, under the action of the first magnetic plate 203 and the second magnetic plate 206, the two sliding plates 205 approach each other, and then the locking block 207 is inserted into the corresponding locking groove, and the hand wheel is locked, that is, under the condition that the adjustment of the pressure regulating valve is completed, the hand wheel is locked, the situation that non-working personnel rotates the hand wheel to adjust the pressure regulating valve is avoided, and the use safety of the pressure regulating valve is effectively improved.

[0033] Although the utility model has been described in detail above by general description and specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model all belong to the scope of protection required by the utility model.

Claims

1. A locking handle for a pressure regulating valve, comprising a handle assembly (1), characterized in that, Both sides of the hand wheel assembly (1) are provided with locking assemblies (2); The hand wheel assembly (1) comprises a hand wheel disc (101), the bottom surface of the hand wheel disc (101) is fixedly installed with a valve rod (102), the top surface of the hand wheel disc (101) is provided with two first rotary openings (103) and two second rotary openings (104), and the two sides of the hand wheel disc (101) are movably inserted with a first circular shaft (105); The locking assembly (2) comprises an L-shaped plate (201), the inner side of the vertical part of the L-shaped plate (201) is provided with an embedded sliding groove (202), the inner back surface top and bottom of the embedded sliding groove (202) are fixedly installed with a first magnetic plate (203), the back surface middle part of the L-shaped plate (201) is movably inserted with a second circular shaft (204), one end of the second circular shaft (204) is fixedly connected with the back surface middle part of a sliding plate (205), the sliding plate (205) is slidably installed in the embedded sliding groove (202), the back surface top and bottom of the sliding plate (205) are fixedly embedded with a second magnetic plate (206), and the front surface middle part of the sliding plate (205) is fixedly installed with a locking block (207).

2. A locking hand wheel for a pressure regulating valve according to claim 1, wherein One end of each of the two first circular shafts (105) is located in the two second rotary openings (104), and the end of each of the two first circular shafts (105) located in the second rotary opening (104) is fixedly installed with a control frame (106), and the other end of each of the two first circular shafts (105) is fixedly installed with a vertical rod (107).

3. A locking hand wheel for a pressure regulating valve according to claim 2, wherein The two vertical rods (107) correspond to the two second circular shafts (204) one by one, and the bottom end of the vertical rod (107) is fixedly connected with one end of the second circular shaft (204).

4. A locking hand wheel for a pressure regulating valve according to claim 1, wherein The two first magnetic plates (203) and the second magnetic plates (206) correspond to each other, and the opposite faces of the first magnetic plate (203) and the second magnetic plate (206) are arranged in the same polarity repulsion mode.

5. A locking hand wheel for a pressure regulating valve according to claim 1, wherein The two L-shaped plates (201) are fixedly installed at the disc bottom surface two side edges of the hand wheel disc (101).

6. The anti-loose locking hand wheel for a pressure regulating valve according to claim 1, wherein The vertical section of the hand wheel disc (101) is in a T-shaped structure.

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