Locking valve convenient to operate

Abstract

The utility model relates to the technical field of locking valves, and discloses a locking valve convenient to operate, which comprises a locking valve, the top of the locking valve is connected with a fixed shell in a sliding manner, a connecting assembly is arranged in the fixed shell, a switch assembly is arranged in the fixed shell, the connecting assembly comprises a sliding column, and the sliding column is connected with the fixed shell in a sliding manner. The outer wall of the sliding column is slidably connected to the interior of the fixing shell, a limiting groove is formed in the fixing shell, one end of the fixing shell is fixedly connected with a clamping ball, the outer wall of the clamping ball is slidably connected to the interior of the locking valve, and the other end of the sliding column is fixedly connected with a limiting disc. According to the utility model, the clamping ball is pulled to move, and the clamping ball is pulled to drive the connecting column and the limiting ring and is matched with the spring to slide in the fixed shell, so that the fixed shell is conveniently fixed and conveniently used, and the problem that the clamping ball needs to be held by hands when being fixed in the prior art is solved; and the convenience of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lock valve, especially to lock valve convenient operation. BACKGROUND

[0002] In modern society, all kinds of pipeline systems are everywhere, from the complex chemical raw material conveying pipeline in industrial plant to the water supply and heating pipeline in the resident home, lock valve plays an indispensable role. The main function of lock valve is to control the on-off of fluid in pipeline, to ensure the safe and stable operation of pipeline system. In some large factories, if the fluid in pipeline cannot be accurately controlled, it will lead to production stagnation and even cause safety accidents; in the family, if the lock valve of heating or water supply system cannot be operated normally, it will seriously affect the quality of life. With the progress of science and technology and the improvement of people's living quality, the deficiency of traditional lock valve in operation convenience is increasingly prominent, and it is imminent to develop a lock valve convenient operation.

[0003] At present, the common lock valve is relatively traditional in mechanical structure and technical principle. Most of them realize the opening and closing of valve through simple rotary valve stem. When operating, the user directly rotates the valve stem manually, the valve stem is connected with the valve core, with the rotation of the valve stem, the valve core moves in the valve body, thereby changing the state of fluid passage, to achieve the purpose of opening or closing the valve. Some of them use lever principle, increase the torque through the lengthened handle, to make it easier to rotate the valve stem. This structure is widely used in early pipeline systems, because of its simple structure, low cost, easy to manufacture and maintain.

[0004] However, the existing lock valve has obvious defects in the fixing mode. When fixing the lock valve during installation or daily operation, it is often necessary to hold it with hands. For example, when installing the lock valve in a small space, the operator holds the lock valve with one hand to align it with the pipeline interface, and the other hand also needs to tighten and fix, which not only has great operation difficulty, but also is easy to cause unstable fixation when both hands are busy, resulting in low installation efficiency. When repairing the valve, it also needs to be held with hands to carry out subsequent inspection and repair work, which greatly affects the work efficiency and brings many inconveniences to the user, therefore, a lock valve convenient operation is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a lock valve convenient operation, which aims at improving the problem that the hand needs to be held when fixing it in the prior art.

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

[0007] The utility model provides a convenient to operate lock valve, including lock valve, the fixed shell is connected with the top slidingly, be provided with connecting assembly in the fixed shell, be provided with switch assembly in the fixed shell,

[0008] Connecting assembly includes slide post, the slide post outer wall is connected in the fixed shell inside, the fixed shell is opened in the limit groove, one end of fixed shell is connected with the ball, the ball outer wall is connected in the lock valve inside, the other end of slide post is fixedly connected with the limit disc, the limit disc outer wall is connected in the limit groove inside, the fixed shell is provided with spring, one end of spring is fixedly connected in the fixed shell inner wall, the other end of spring is fixedly connected in the limit disc outer wall.

[0009] As further description of the above technical solutions:

[0010] The switch assembly includes a connecting column, and the connecting column is rotatably connected to the inside of the fixed shell.

[0011] As further description of the above technical solutions:

[0012] One end of the connecting column is fixedly connected with a worm, and the worm is rotatably connected to the inside of the fixed shell.

[0013] As further description of the above technical solutions:

[0014] The connecting column is fixedly connected with a knob on the outer wall, and the fixed shell is rotatably connected with a rotating column.

[0015] As further description of the above technical solutions:

[0016] The rotating column is fixedly connected with a worm wheel on the outer wall, and the worm wheel is engaged with the worm.

[0017] As further description of the above technical solutions:

[0018] The bottom of the rotating column is fixedly connected with a key, and the key is slidably connected to the outer wall of the lock valve.

[0019] As further description of the above technical solutions:

[0020] The fixed shell is provided with a limiting groove in the inside, and the fixed shell is fixedly connected with a scale line on the outer wall.

[0021] As further description of the above technical solutions:

[0022] The outer wall of the key is fixedly connected with a position indicating block, and the position indicating block is slidably connected to the inside of the limiting groove.

[0023] The utility model has the following beneficial effects:

[0024] 1、 the utility model discloses, card ball realizes its mobile function through pulling, and the drive of pulling to connecting column, limit ring and cooperation spring are realized to the sliding of card ball in fixed shell interior, thereby conveniently fixing fixed shell, and the use is convenient, the problem that the hand is held when fixing is solved, and the convenience of device is improved.

[0025] 2、 the utility model discloses, and the rotation of key is driven through worm wheel and worm, and does not need to rotate in a large range, and through demonstration position block and scale line, thereby conveniently identifying switch position, and the adjustment is convenient, the problem that the switch is rotated and is easily hindered by wall and leads to the problem that cannot conveniently switch is solved, and the versatility of device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a three-dimensional schematic view of the lock valve convenient to operate that the utility model proposes;

[0027] Figure 2 It is a structure schematic view of the fixed shell interior of the lock valve convenient to operate that the utility model proposes;

[0028] Figure 3 It is Figure 2 The enlarged view of A in the middle;

[0029] Figure 4 It is a structure schematic view of the key of the lock valve convenient to operate that the utility model proposes.

[0030] LEGEND:

[0031] 1, lock valve;2, fixed shell;3, connecting column;4, knob;5, limit groove;6, scale line;7, demonstration position block;8, card ball;9, slide column;10, limit disc;11, spring;12, limit groove;13, key;14, worm wheel;15, rotating column;16, worm. DETAILED DESCRIPTION

[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0033] Refer to Figure 1 - Figure 3The utility model provides an embodiment: a kind of lock valve of convenient operation, including lock valve 1, fixed shell 2 is slidably connected in the top of lock valve 1, connecting assembly is provided in fixed shell 2, switch assembly is provided in fixed shell 2 inside;

[0034] Connecting assembly includes slide column 9, the outer wall of slide column 9 is slidably connected in fixed shell 2 inside, the inside of fixed shell 2 is opened to limit groove 12, one end of fixed shell 2 is fixedly connected with ball 8, ball 8 is forged with special alloy steel, surface is treated by heat treatment process, its hardness is greatly promoted, while certain toughness is maintained, the outer wall of ball 8 is accurately matched with the spherical groove reserved in lock valve 1 inside, can be flexibly slid in it, realize close connection, the outer wall of ball 8 is slidably connected in lock valve 1 inside, the other end of slide column 9 is fixedly connected with limit disc 10, the outer wall of limit disc 10 is slidably connected in limit groove 12 inside, spring 11 is provided in fixed shell 2 inside, one end of spring 11 is fixedly connected in the inner wall of fixed shell 2, the other end of spring 11 is fixedly connected in the outer wall of limit disc 10.

[0035] Specifically, when lock valve 1 is switched, first, fixed shell 2 is placed on the outer wall of lock valve 1, at this time, due to the surface camber structure of ball 8, an extrusion force is received in the instant of contact with the outer wall of lock valve 1, and then ball 8 is pushed to move, the movement of ball 8 drives slide column 9 to slide in fixed shell 2, the sliding of slide column 9 further drives limit disc 10 to slide along the predetermined track in limit groove 12, and in this process, spring 11 is extruded and compressed, and then when fixed shell 2 moves to the appropriate position, spring 11 rapidly rebounds by virtue of its elasticity, drives ball 8 to smoothly slide into lock valve 1, and completes the stable fixing action, so that the whole operation process does not need to be held by hand, and lock valve 1 can be conveniently opened.

[0036] Referring to Figure 1 And Figure 4 Switch assembly includes connecting column 3, the outer wall of connecting column 3 is rotatably connected in fixed shell 2 inside, one end of connecting column 3 is fixedly connected with worm 16, the outer wall of worm 16 is rotatably connected in fixed shell 2 inside, the outer wall of connecting column 3 is fixedly connected with knob 4, knob 4 is made of engineering plastic with high toughness and high strength, and anti-slip texture is designed on the surface, which facilitates the rotation of operating personnel, whether wearing gloves or in a humid environment, can be easily operated, rotating column 15 is rotatably connected in fixed shell 2 inside, worm wheel 14 is fixedly connected to the outer wall of rotating column 15, worm wheel 14 is engaged with worm 16, key 13 is fixedly connected to the bottom of rotating column 15, key 13 is slidably connected to the outer wall of lock valve 1 inside, limit slot 5 is opened in fixed shell 2 inside, scale line 6 is fixedly connected to the outer wall of fixed shell 2, position indicating block 7 is fixedly connected to the outer wall of key 13, and the outer wall of position indicating block 7 is slidably connected in limit slot 5 inside.

[0037] Specifically, when the locking valve 1 is operated, the staff can directly rotate the rotating knob 4, the rotating knob 4 drives the connecting column 3 to rotate smoothly in the fixed shell 2, the connecting column 3 is closely connected with the worm 16, and the worm 16 is driven to rotate, the worm 16 is engaged with the worm gear 14, so that the rotating column 15 is driven to rotate, the rotating column 15 is connected with the key 13, the key 13 is rotated, and then the locking valve 1 is operated, at the same time, the indicating block 7 is synchronously slid in the limiting groove 5, and the opening and closing degree of the locking valve 1 is presented through the scale line 6, so that the convenience and accuracy of operation are greatly improved.

[0038] Working principle: when the locking valve 1 is operated, the fixed shell 2 is placed on the outer wall of the locking valve 1, the surface of the clamping ball 8 is arc-shaped, so that the clamping ball 8 is driven to move, then the clamping ball 8 drives the sliding column 9 to slide in the fixed shell 2, then the sliding column 9 drives the limiting disc 10 to slide in the limiting groove 12, so as to compress the spring 11, and then the spring 11 rebounds to drive the clamping ball 8 to slide to the inside of the locking valve 1 to be fixed, so that the locking valve 1 is conveniently opened without manual holding.

[0039] In addition, when the locking valve 1 is operated, the rotating knob 4 can be directly rotated, the connecting column 3 is driven to rotate in the fixed shell 2, then the connecting column 3 drives the worm 16 to rotate, then the worm 16 is engaged with the worm gear 14, so as to drive the rotating column 15 to rotate, so as to drive the key 13 to rotate, so as to operate the locking valve 1, and at the same time, the indicating block 7 is synchronously slid in the limiting groove 5, and the opening and closing state is conveniently displayed through the scale line 6, so as to facilitate the staff to check.

[0040] Finally, it should be pointed out that: the above only describes preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A lock valve which is easy to operate, comprising a lock valve (1), characterized in that: The locking valve (1) top sliding connection has fixed shell (2), the fixed shell (2) inside is provided with connecting assembly, the fixed shell (2) inside is provided with switch assembly; The connecting assembly includes slide column (9), the slide column (9) outer wall sliding connection is established in the fixed shell (2) inside, the fixed shell (2) inside is opened and is limited to groove (12), the fixed shell (2) one end fixedly connected with ball (8), the ball (8) outer wall sliding connection is established in the locking valve (1) inside, the slide column (9) other end fixedly connected with limit disc (10), the limit disc (10) outer wall sliding connection is established in the limited groove (12) inside, the fixed shell (2) inside is provided with spring (11), the spring (11) one end fixedly connected in the fixed shell (2) inner wall, the spring (11) other end fixedly connected in the limit disc (10) outer wall.

2. The easy-to-operate lock valve according to claim 1, characterized in that: The switch assembly includes connecting column (3), the connecting column (3) outer wall rotation is connected in the fixed shell (2) inside.

3. A lock valve according to claim 2, wherein: The connecting column (3) one end fixedly connected with worm (16), the worm (16) outer wall rotation is connected in the fixed shell (2) inside.

4. The easy-to-operate lock valve according to claim 3, wherein: The connecting column (3) outer wall fixedly connected with knob (4), the fixed shell (2) inside rotation is connected with rotating column (15).

5. A lock valve according to claim 4, wherein: The rotating column (15) outer wall fixedly connected with worm wheel (14), the worm wheel (14) is engaged with the worm (16).

6. A lock valve according to claim 5, wherein: The rotating column (15) bottom fixedly connected with key (13), the key (13) inside sliding connection is established in locking valve (1) outer wall.

7. A lock valve according to claim 6, wherein: The fixed shell (2) inside is opened and is limited to groove (5), the fixed shell (2) outer wall fixedly connected with scale line (6).

8. A lock valve according to claim 7, wherein: The key (13) outer wall fixedly connected with show position block (7), the show position block (7) outer wall sliding connection is established in the limit groove (5) inside.

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