Manual gate valve convenient to open and close

Abstract

The utility model discloses a manual gate valve convenient to open and close, which relates to the technical field of valves and comprises a valve body, a valve rod and a hand wheel. The rotation assisting assemblies are uniformly arranged on the hand wheel in a surrounding manner and are fixed; the rotation assisting assembly comprises a rotation extending assembly arranged outside the hand wheel, and the rotation extending assembly is in a rod shape. The rotating assembly is arranged between the hand wheel and the extending rotating assembly, and one rod side of the extending rotating assembly is rotationally connected with the hand wheel through the rotating assembly; the cushion block is fixedly arranged on the valve body; the extending rotating assembly rotates downwards by taking the rotating assembly as a shaft through the gravity of the extending rotating assembly and is attached to the cushion block to be obliquely supported; the utility model has the advantages that the rotation assisting component is arranged, and the rotation extending component in the rotation assisting component turns up and down in a surrounding manner by taking the rotating component as a rotating shaft, so that one side of the hand wheel is not blocked by a wall and the like when rotating to the wall leaning cotton, and the rotation extending component on one side back to the wall is not limited by space; therefore, the rotating arm of force can be increased at the position to facilitate opening and closing.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field more specifically relates to a convenient opening and closing hand operated gate valve. BACKGROUND

[0002] Flange gate valve is a kind of common industrial valve, mainly used to control the flow of medium (such as water, steam, oil, etc.) in the pipeline, it realizes the function of opening and closing through a movable gate, and the valve is fixed to the pipeline through flange;

[0003] The existing valve, such as publication number: CN221278517U, easy-to-open gate valve, when the "prolonged handle is two, hand wheel side is equipped with two sliding holes, two sliding holes are about hand wheel center symmetry, two prolonged handles are respectively slidably arranged in two sliding holes", that is, by expanding the rotating arm to facilitate the rotation of hand wheel;

[0004] But the installation layout of pipeline is generally set against wall to reduce the occupation, when installing valve in the position of pipeline against wall, the size of hand wheel is limited due to the spacing limitation against wall, cannot be overall expanded rotating arm to facilitate rotation, therefore, it is urgent to propose a valve that can rotate position power rotation after being installed against wall. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of convenient opening and closing hand operated gate valves to solve the above technical problems.

[0006] The utility model discloses the following technical solutions to achieve the above purposes specifically:

[0007] The utility model provides a kind of convenient opening and closing hand operated gate valve, including valve body and the valve stem and hand wheel being arranged on it, and the valve stem is connected with hand wheel outside;

[0008] It further includes multiple groups of evenly surrounding fixed assist rotation assembly on hand wheel;

[0009] The assist rotation assembly includes;

[0010] Extension rotation assembly, which is provided outside the hand wheel, is in the form of a rod.

[0011] Rotation assembly is arranged between hand wheel and extension rotation assembly, and one side of the rod of extension rotation assembly is connected with hand wheel through rotation assembly.

[0012] Pads are fixed to the valve body.

[0013] Extension rotation assembly rotates downwardly around the rotation assembly as an axis under its own gravity and leans on the pads for support.

[0014] As a preferred technical scheme of the utility model, the extension and rotation assembly comprises a handle rod, a rod cavity built in one rod end of the handle rod and an extension rod threadedly connected in the rod cavity, one rod end of the extension rod is fixed with the rotating end of the rotation assembly, and the outer side of the handle rod is attached with a pad block.

[0015] As a preferred technical scheme of the utility model, the outer side of the handle rod is fixed with anti-skid lines.

[0016] As a preferred technical scheme of the utility model, the rotation assembly comprises a rotating shaft fixed on the hand wheel, a wear-resistant layer attached to the outer side of the rotating shaft and a rotating ring sleeved on the rotating shaft, a gap is formed between the outer side of the wear-resistant layer and the inner side of the rotating ring, a ring groove is formed between the outer side of the wear-resistant layer and the hand wheel, the rotating ring is partially built in the ring groove and is limited to move, and the outer side of the rotating ring is fixed with the extension rod.

[0017] As a preferred technical scheme of the utility model, the outer side of the pad block is fixedly attached with a rubber layer.

[0018] The utility model has the advantages of the following:

[0019] By setting the rotation assisting assembly, the extension and rotation assembly in the rotation assisting assembly rotates around the rotation assembly as the rotating shaft, so that the hand wheel is not blocked by the wall when being rotated to the wall side, and the extension and rotation assembly on the side away from the wall is not limited by the space, so that the rotation force arm can be increased at the position to conveniently open and close. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 is a structural schematic view of the utility model;

[0021] Fig. 2 is another structural schematic view of the utility model.

[0022] Reference signs: valve body-1, valve rod-2, hand wheel-3, rotation assisting assembly-4, extension and rotation assembly-41, rotation assembly-42, pad block-43, handle rod-411, rod cavity-412, extension rod-413, rotating shaft-421, wear-resistant layer-422, rotating ring-423. DETAILED DESCRIPTION

[0023] As shown in Figs. 1-2 The utility model provides: a convenient opening and closing hand-operated gate valve, including valve body 1 and the valve rod 2 and hand wheel 3 set up on it and the valve rod 2 outer and hand wheel 3 are connected, the valve body 1 can be flange rising stem gate valve, when the upper section of the valve rod 2 is screw rod, the rotation of hand wheel 3 drives the screw up and down of the valve rod 2 to open and close the valve body 1;

[0024] Still include the rotation assisting assembly 4 of even surrounding fixed of multiple groups on hand wheel 3;

[0025] The assisting rotating assembly 4 comprises;

[0026] The extending rotating assembly 41 is arranged outside the hand wheel 3, and the extending rotating assembly 41 is in a rod shape and has upper and lower rod ends;

[0027] The rotating assembly 42 is arranged between the hand wheel 3 and the extending rotating assembly 41, and one rod side of the extending rotating assembly 41 is rotationally connected with the hand wheel 3 through the rotating assembly 42, that is, one end of the rod-shaped extending rotating assembly 41 is connected with the rotating assembly 42;

[0028] The pad 43 is fixed on the valve body 1, and a plurality of groups of the assisting rotating assembly 4 are arranged on the pad 43, and the pad 43 is annularly fixed on the outer side of the valve body 1, and the pad 43 can be integrally formed with the valve body 1;

[0029] The extending rotating assembly 41 is axially rotated downward around the rotating assembly 42 under its own gravity and is supported on the pad 43 in an inclined manner, that is, the extending rotating assembly 41 is rotated upward and downward around the rotating assembly 42 as the rotating shaft, so that the hand wheel 3 is not blocked by the wall when it is rotated to the wall side, and the extending rotating assembly 41 on the side away from the wall is not limited by the space, so that the rotating force arm can be increased at this position to facilitate opening and closing;

[0030] When the hand holds the extending rotating assembly 41 horizontally, the extending rotating assembly 41 can be rotated downward under its own gravity and supported on the pad 43 in an inclined manner, so that the interval between the extending rotating assembly 41 and the valve body 1 is increased, and the extending rotating assembly 41 is easily held and rotated.

[0031] The specific structure of the extending rotating assembly 41 is as follows:

[0032] The extending rotating assembly 41 comprises a holding rod 411, a rod cavity 412 arranged in one rod end of the holding rod 411, and an extending rod 413 threadedly connected in the rod cavity 412, one rod end of the extending rod 413 is fixed with the rotating end of the rotating assembly 42, the outer side of the holding rod 411 is attached to the pad 43, and the holding rod 411 is rotated around the rotating assembly 42 as the shaft to rotate and exert force to perform upward and downward flipping movement;

[0033] According to the structure of the extending rotating assembly 41, the holding rod 411 can be rotated to rotate the extending rod 413 in the rod cavity 412 in a threaded manner, and the extending rod 413 is extended and retracted in the rod cavity 412 to adjust the length of the extending rotating assembly 41, thereby improving the practicability;

[0034] The outer side of the holding rod 411 is fixed with anti-skid lines to increase the friction and improve the stability when holding.

[0035] The specific structure of the rotating assembly 42 is as follows:

[0036] The rotating assembly 42 comprises a rotating shaft 421 fixed on the hand wheel 3, a wear-resistant layer 422 attached to the outer side of the rotating shaft 421, and a rotating ring 423 sleeved on the rotating shaft 421;

[0037] The wear-resistant layer 422 and the inner side of the rotating ring 423 have a gap, the outer side of the wear-resistant layer 422 and the hand wheel 3 form an annular groove, the rotating ring 423 is partially positioned in the annular groove and moves actively, the outer side of the rotating ring 423 is fixed with the extension rod 413, and the material of the wear-resistant layer 422 is a polyurethane rubber layer;

[0038] When the rotating assembly 42 is applied, the extension rod 413 drives the rotating ring 423 to rotate in the annular groove to prevent the rotating ring 423 from moving out, and the gap between the wear-resistant layer 422 and the inner side of the rotating ring 423 can reduce the resistance when the rotating ring 423 rotates, so as to facilitate the downward rotation of the rotating ring 423 by gravity, and the wear-resistant layer 422 is attached to the rotating ring 423 to provide protection for the rotating shaft 421 when the rotating shaft 421 is pressed, thereby reducing the degree of wear;

[0039] The rubber layer is a polyurethane rubber layer and has good wear resistance.

[0040] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0041] 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 description manner of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A portable opening and closing hand-operated gate valve, comprising a valve body (1) and a valve stem (2) and a hand wheel (3) arranged on the valve body (1), the valve stem (2) being connected with the hand wheel (3) externally; further comprising a plurality of groups of rotation assisting assemblies (4) fixed uniformly around the hand wheel (3); characterized in that the rotation assisting assembly (4) comprises: an extension assembly (41) arranged externally on the hand wheel (3), the extension assembly (41) being in the shape of a rod; a rotating assembly (42) arranged between the hand wheel (3) and the extension assembly (41), and one rod side of the extension assembly (41) being connected with the hand wheel (3) in rotation through the rotating assembly (42); a pad (43) fixed on the valve body (1); the extension assembly (41) rotates downwardly in the axial direction of the rotating assembly (42) by its own gravity and is supported obliquely on the pad (43).

2. A conveniently opening and closing hand operated gate valve according to claim 1, characterized in that, The extension assembly (41) comprises a handle rod (411), a rod cavity (412) arranged in one rod end of the handle rod (411), and an extension rod (413) threadedly connected in the rod cavity (412), one rod end of the extension rod (413) being fixed with a rotating end of the rotating assembly (42), and the handle rod (411) being externally attached to the pad (43).

3. A conveniently opening and closing hand operated gate valve according to claim 2, characterized in that, The handle rod (411) is externally provided with anti-skid lines.

4. A conveniently opening and closing hand operated gate valve according to claim 2, characterized in that, The rotating assembly (42) comprises a rotating shaft (421) fixed on the hand wheel (3), a wear-resistant layer (422) attached externally to the rotating shaft (421), and a rotating ring (423) sleeved externally on the rotating shaft (421), there being a gap between the wear-resistant layer (422) externally and the inner side of the rotating ring (423), an annular groove being formed between the wear-resistant layer (422) externally and the hand wheel (3), the rotating ring (423) being partially arranged in the annular groove to limit the movement, and the extension rod (413) being fixed externally on the rotating ring (423).

5. A conveniently opening and closing hand operated gate valve according to claim 1, characterized in that, The pad (43) is externally attached with a rubber layer.

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