Anti-misoperation manual valve

Abstract

The utility model relates to the field of manual valves, and discloses an anti-misoperation manual valve which comprises a manual valve body and a valve rod connected to the top of the manual valve body, a fixing block is fixedly installed on one side of the manual valve body, a first adjusting screw rod is connected to the center of the fixing block in a threaded penetrating mode, and a limiting assembly is rotationally connected to the top end of the first adjusting screw rod. By means of the structure, the misoperation process of the valve rod can be effectively avoided, and fixing and limiting of the valve rods with different diameter sizes can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of manual valve, concretely is a kind of manual valve of preventing misoperation. BACKGROUND

[0002] Manual valve is operated by manpower by hand wheel, handle, lever, sprocket, when the valve opening and closing torque is larger, gear or worm reducer can be set between hand wheel and valve stem. When necessary, it can also be operated remotely using universal joint and transmission shaft.

[0003] The utility model discloses (announcement) No. CN220850978U discloses a kind of safety type manual valve of preventing misoperation, solve the problem that user is in using hydraulic multi-way valve in prior art, the manual valve stem of hydraulic multi-way valve is easy to be misoperation by user, affect the normal use of equipment, user needs to be very careful when using equipment, but, still inevitably have misoperation situation, user is quite annoyed to this problem.A kind of safety type manual valve of preventing misoperation, including manual valve and the valve stem being connected at the top of manual valve, the side of manual valve is provided with limit box, the inside of limit box is provided with elastic limit mechanism, the top of elastic limit mechanism is connected with moving rod, the top of moving rod is connected with the limit fork that valve stem is adapted.

[0004] The structure of the above-mentioned utility model is convenient for limiting the valve stem, and avoids the occurrence of misoperation, but its structure is fixed and inconvenient for limiting valve stems of different diameters, and cannot adjust the limiting structure for valve stems of different diameters. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of manual valve of preventing misoperation to solve the problem raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of manual valve of preventing misoperation, including manual valve and the valve stem being connected at the top of manual valve, the side of manual valve is fixedly installed with fixed block, and first adjusting screw is connected in the center position of fixed block with screw thread, and the top of first adjusting screw is rotatably connected with limiting component.

[0007] Preferably, the limiting component includes a limiting mounting block rotatably connected to the top of the first adjusting screw, and the limiting mounting block has a limiting groove.

[0008] Preferably, the limiting groove of the limiting mounting block has two side walls, and the two side walls are rotatably connected with second adjusting screws.

[0009] Preferably, the two second adjusting screws are rotatably connected with limiting clamps on one side close to each other, and the two limiting clamps are arc-shaped on one side close to each other.

[0010] Preferably: two said limit clamping plates are respectively fixedly connected with rotating wheels at one end away from each other.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] The utility model discloses a height position of the limit installation block is adjusted through the screw thread adjustment process of the first adjusting screw rod and fixed block, thereby making the limit recess of the limit installation block close or be away from the both sides of the valve stem, and each rotating wheel is rotated respectively to pass through the screw thread adjustment process of the limit recess lateral wall of the limit installation block of the second adjusting screw rod, and the one end of the arc structure of two limit clamping plates is driven to extrude and fix respectively on both sides of the valve stem, thereby avoiding the misoperation of the valve stem, and the limit fixing of the valve stem of different diameter sizes can be satisfied through the screw thread adjustment of the second adjusting screw rod and the limit recess lateral wall. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the structural schematic diagram of the utility model;

[0014] Fig. 2 It is the side view schematic diagram of the utility model limit component.

[0015] In the drawing: 1, manual valve;2, valve stem;3, fixed block;4, first adjusting screw rod;5, limit component;51, limit installation block;52, limit recess;53, second adjusting screw rod;54, limit clamping plate;55, rotating wheel. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0017] Embodiment one

[0018] Please refer to Figs. 1-2 , a kind of anti-misoperation manual valve in the drawing, including manual valve 1 and the valve stem 2 connected in the top of manual valve 1, manual valve 1 side fixedly installed with fixed block 3, and fixed block 3 center position is screw through connection with first adjusting screw rod 4, and first adjusting screw rod 4 top end rotationally connects with limit component 5.

[0019] In the embodiment, the limiting assembly 5 comprises a limiting mounting block 51 rotationally connected with the top end of the first adjusting screw 4, and the limiting mounting block 51 is provided with a limiting groove 52, the two side walls of the limiting groove 52 of the limiting mounting block 51 are respectively threadedly connected with second adjusting screws 53, the mutually close sides of the two second adjusting screws 53 are respectively rotationally connected with limiting clamping plates 54, and the mutually close sides of the two limiting clamping plates 54 are provided with arc structures, and the mutually faraway ends of the two limiting clamping plates 54 are respectively fixedly connected with rotating wheels 55.

[0020] Further, by the threaded adjusting process of the first adjusting screw 4 and the fixed block 3, the height position of the limiting mounting block 51 is adjusted, so that the limiting groove 52 provided in the limiting mounting block 51 is close to or far away from the two sides of the valve rod 2, each rotating wheel 55 is respectively rotated, and then by the threaded adjusting process of the second adjusting screw 53 and the side wall of the limiting groove 52 of the limiting mounting block 51, the arc structure end of the two limiting clamping plates 54 is driven to respectively extrude and fix the two sides of the valve rod 2, so that the misoperation of the valve rod 2 is avoided, and the limiting fixation of the valve rod 2 with different diameters can be satisfied by the threaded adjusting of the second adjusting screw 53 and the side wall of the limiting groove 52.

[0021] The working principle of the utility model discloses: by the threaded adjusting process of the first adjusting screw 4 and the fixed block 3, the height position of the limiting mounting block 51 is adjusted, so that the limiting groove 52 provided in the limiting mounting block 51 is close to or far away from the two sides of the valve rod 2, each rotating wheel 55 is respectively rotated, and then by the threaded adjusting process of the second adjusting screw 53 and the side wall of the limiting groove 52 of the limiting mounting block 51, the arc structure end of the two limiting clamping plates 54 is driven to respectively extrude and fix the two sides of the valve rod 2, so that the misoperation of the valve rod 2 is avoided, and the limiting fixation of the valve rod 2 with different diameters can be satisfied by the threaded adjusting of the second adjusting screw 53 and the side wall of the limiting groove 52.

[0022] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0023] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An anti-misoperation manual valve, comprising a manual valve (1) and a valve rod (2) connected at the top of the manual valve (1), characterized in that: One side of the manual valve (1) is fixedly provided with a fixed block (3), and a first adjusting screw rod (4) is threadedly connected at the center position of the fixed block (3), and the top end of the first adjusting screw rod (4) is rotatably connected with a limiting assembly (5).

2. A misoperation preventing manual valve according to claim 1, characterized in that: The limiting assembly (5) comprises a limiting mounting block (51) rotatably connected with the top end of the first adjusting screw rod (4) at the bottom end, and the limiting mounting block (51) is provided with a limiting groove (52).

3. A misoperation preventing manual valve according to claim 2, characterized in that: The limiting groove (52) of the limiting mounting block (51) is threadedly connected with a second adjusting screw rod (53) on both sides of the sidewall, respectively.

4. A misoperation preventing manual valve according to claim 3, characterized in that: Two second adjusting screw rods (53) are rotatably connected with a limiting clamping plate (54) on one side close to each other, and two limiting clamping plates (54) are provided in an arc structure on one side close to each other.

5. A misoperation preventing manual valve according to claim 4, characterized in that: Two limiting clamping plates (54) are fixedly connected with a rotating wheel (55) at the end away from each other, respectively.

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