CN217559162U - Valve hand wheel with locking structure - Google Patents

Abstract

The utility model discloses a valve hand wheel with locking structure, which comprises a valve rod, wherein one end of the valve rod is fixedly connected with a square rod, the outer wall of the square rod is sleeved with a sleeve, one end of the sleeve, which is far away from the square rod, is provided with a support, the outer wall of the support is fixedly connected with a handle, and a locking unit is arranged outside the sleeve; the locking unit comprises a shell, a base, a bolt, a spring, a screw and a first clamping groove; the shell is sleeved on the outer wall of the square rod. The utility model relates to the technical field of valves, this valve hand wheel with locking structure, through the cooperation between sleeve pipe, square bar, bolt, first draw-in groove and the spring for at ordinary times, the user can't rotate sleeve pipe, handle and valve rod, wants to rotate the valve rod, needs the push sleeve pipe along the valve rod motion, even like this the mistake appears bumping, even relevant personnel also can discover and handle, avoid the mistake to bump and the mistake bumps the problem that the back can not in time discover.

Description

Valve hand wheel with locking structure

Technical Field

The utility model relates to the technical field of valves, specifically be a valve handle with locking structure.

Background

Valves are fittings for pipes that are used to open and close the pipe, control the flow direction, regulate and control the parameters of the transport medium (temperature, pressure and flow). According to the function, the valve can be divided into a shut-off valve, a check valve, a regulating valve and the like, and at present, the valve is generally divided into a manual valve and an electromagnetic valve according to the driving mode.

The manual valve is characterized in that a valve rod extending to the outside of the valve body is matched with a hand wheel, and a user rotates the hand wheel to realize opening and closing of the inside of the valve.

However, in the actual use process, the valve is easily opened or closed by mistake due to mistake touching, and the related personnel sometimes cannot find that the valve is touched by mistake in time due to negligence, so that the normal work of the pipeline is affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a valve handle with locking structure has solved at the in-process of in-service use, and easy because the mistake bumps etc. and causes the mistake of valve to open or the mistake is closed, and relevant personnel are because carelessness sometimes, can not in time discover oneself mistake and bumped the valve, influence the problem of the normal work of pipeline.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a valve hand wheel with a locking structure comprises a valve rod, wherein a square rod is fixedly connected to one end of the valve rod, a sleeve is sleeved on the outer wall of the square rod, a support is arranged at one end, away from the square rod, of the sleeve, a handle is fixedly connected to the outer wall of the support, and a locking unit is arranged outside the sleeve; the locking unit comprises a shell, a base, a bolt, a spring, a screw and a first clamping groove; the casing cup joint in the outer wall of square bar, the casing is kept away from sheathed tube one side and is installed the base, the lateral wall of base is provided with the screw, swing joint has the bolt between base and the casing, the end correspondence of bolt is provided with sets up in the first draw-in groove of sleeve pipe outer wall, the bolt is located the inside one end fixedly connected with spring of casing, the end of spring and the inner wall fixed connection of casing.

Preferably, the housing is fixedly connected with the base through a fixing screw.

Preferably, one side of the bolt close to the first clamping groove is provided with a slope.

Preferably, a connecting component is arranged on one side of the support close to the sleeve; the connecting assembly comprises an inserting rod, a second clamping groove, a first protrusion and an inserting pipe; the inserting pipe is inserted in the inner wall of the sleeve, first bulges are arranged on the upper portion and the lower portion of the outer wall of the inserting pipe, the first bulges are connected with the sleeve in a clamped mode through second clamping grooves, an inserting rod is inserted in the inserting pipe in an inserted mode, and one end of the inserting rod is fixedly connected with the support.

Preferably, the insert rod is provided with a restricting unit; the limiting unit comprises a second protrusion, a third clamping groove, a bolt, a first check ring and a second check ring; the second is protruding set up in the outer wall of inserted bar, the second is protruding to be in through the third draw-in groove joint in the inner wall of intubate, the inserted bar is located the inside one end threaded connection of intubate and has the bolt, the first retaining ring of outer wall fixedly connected with of bolt, the lateral wall of first retaining ring is laminated with the terminal surface of inserted bar mutually, one side that the inserted bar was kept away from to first retaining ring is provided with the second retaining ring, the second retaining ring is located the outside of intubate.

Advantageous effects

The utility model provides a valve handle with locking structure. The method has the following beneficial effects: this valve hand wheel with locking structure through the cooperation between sleeve pipe, square bar, bolt, first draw-in groove and the spring for at ordinary times, the user can't rotate sleeve pipe, handle and valve rod, wants to rotate the valve rod, need promote the sleeve pipe along the valve rod motion, even if the mistake bumps like this, relevant personnel also can discover and handle, avoid the mistake to bump and the mistake bumps the problem that the back can not in time discover.

Through the cooperation between intubate, inserted bar, the protruding and third draw-in groove of second for when rotating the handle, in case its atress is too big, when leading to valve rod and valve internal damage easily, through the bellied deformation of second, can make the inserted bar rotate for the sleeve pipe, play effectual guard action like this, when the inserted bar after the rotation drives the protruding and third draw-in groove joint of second once more simultaneously, do not influence the normal drive valve rod rotation of handle.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the valve stem, square stem and housing of FIG. 2;

FIG. 4 is a schematic structural view of the cannula, cannula and plunger of FIG. 2;

FIG. 5 is a schematic structural view of the cannula, the first protrusion and the third notch of FIG. 4;

fig. 6 is a schematic structural view of the support, the insert rod and the bolt in fig. 4.

In the figure: 1. valve rod, 2, square bar, 3, sleeve pipe, 4, support, 5, handle, 6, casing, 7, base, 8, set screw, 9, bolt, 10, spring, 11, screw, 12, first draw-in groove, 13, intubate, 14, first arch, 15, second draw-in groove, 16, inserted bar, 17, second arch, 18, third draw-in groove, 19, bolt, 20, first retaining ring, 21, second retaining ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The following working principles, detailed connecting means thereof, and the following main descriptions of the working principles and processes are well known in the art, and will be referred to by those skilled in the art for the specific connection and operation sequence of the components in this application.

As can be seen from fig. 1, 2 and 3, the valve hand wheel with the locking structure in the present application includes a valve rod 1, one end of the valve rod 1 is fixedly connected with a square rod 2, the outer wall of the square rod 2 is sleeved with a sleeve 3, one end of the sleeve 3 away from the square rod 2 is provided with a support 4, the outer wall of the support 4 is fixedly connected with a handle 5, and the exterior of the sleeve 3 is provided with a locking unit; the locking unit comprises a shell 6, a base 7, a bolt 9, a spring 10, a screw 11 and a first clamping groove 12; casing 6 cup joints in the outer wall of square bar 2, and casing 6 is kept away from one side of sleeve pipe 3 and is installed base 7, and the lateral wall of base 7 is provided with screw 11, and swing joint has bolt 9 between base 7 and the casing 6, and the end correspondence of bolt 9 is provided with the first draw-in groove 12 of seting up in the outer wall of sleeve pipe 3, and bolt 9 is located the inside one end fixedly connected with spring 10 of casing 6, the terminal inner wall fixed connection of spring 10 and casing 6.

In the specific implementation process, it is worth pointing out in particular that the tail end of the valve rod 1 is connected with a valve flap of an external valve, the specific connection mode and the working principle are well known technologies of those skilled in the art, and no further description is given here, the inner walls of the square rod 2 and the sleeve 3 are sleeved to ensure that the sleeve 3 rotates to drive the square rod 2 and the valve rod 1 to rotate, wherein the handle 5 facilitates a user to rotate the sleeve 3, the housing 6 and the base 7 form a closed area, and the spring 10 and the plug 9 are limited, when the sleeve 3 is pushed to be close to the valve rod 1 along the outer wall of the square rod 2, the plug 9 can be inserted into the first clamping groove 12, at this time, the plug 9 cannot be separated from the first clamping groove 12 under the action of the spring 10, that the sleeve 3 cannot be rotated at this time, that locking is achieved, wherein the screw 11 is provided to facilitate the base 7 to be fixed with the housing of the external valve.

Further, the housing 6 is fixedly connected with the base 7 through a fixing screw 8.

In the course of implementation, it is worth noting in particular that such a connection guarantees the stability of the connection between the base 7 and the casing 6, and therefore the stable limit and support of the plug 9.

Furthermore, a slope is arranged on one side of the bolt 9 close to the first clamping groove 12.

It will be appreciated that the slope is arranged such that pushing the sleeve 3 causes the latch 9 to compress the spring 10 along the inner wall of the housing 6 under the effect of the slope, facilitating insertion of the latch 9 into the interior of the first slot 12.

Concretely, when using this valve hand wheel with locking structure, the end of valve rod 1 is connected with the valve clack of external valve etc, realize that valve rod 1 rotates, can drive the valve and open and shut, when need not rotate valve rod 1, promote sleeve pipe 3 and move to the direction that is close to casing 6 along the outer wall of square bar 2 this moment, when sleeve pipe 3's end and bolt 9 contact, this moment because the domatic setting in bolt 9 side, bolt 9 compresses spring 10 along the inner wall of casing 6, make things convenient for bolt 9 to insert the inside of first draw-in groove 12, can realize the fixed to sleeve pipe 3, can't rotate sleeve pipe 3 this moment, the valve is in the locking state this moment promptly, when needs adjusting valve, continue to promote sleeve pipe 3 and move along foretell direction, make bolt 9 break away from first draw-in 12 along with the domatic first draw-in groove 12 of first draw-in groove 12 inside, sleeve pipe 3 can be rotated this moment, make sleeve pipe 3 outer wall's first draw-in groove 12 and bolt 9 not at the coplanar, can pull out sleeve pipe 3 continues to adjust the valve, accomplish here, realize the cooperation of the wrong rotation that causes sleeve pipe 3.

In an implementation manner, referring to fig. 2, 4, 5 and 6, a connecting component is arranged on one side of the support 4 close to the casing 3; the connecting assembly comprises a plug rod 16, a second clamping groove 15, a first bulge 14 and a plug pipe 13; the inserting pipe 13 is inserted into the inner wall of the sleeve 3, a first protrusion 14 is arranged on the upper portion and the lower portion of the outer wall of the inserting pipe 13, the first protrusion 14 is connected with the sleeve 3 in a clamped mode through a second clamping groove 15, an inserting rod 16 is inserted into the inserting pipe 13, and one end of the inserting rod 16 is fixedly connected with the support 4.

In the specific implementation, it is worth noting that the insertion tube 13 is connected to the casing 3 by means of the first protrusion 14 and the second notch 15, which facilitates the connection of the support 4 to the casing 3.

Further, the insert rod 16 is provided with a restricting unit; the limiting unit comprises a second protrusion 17, a third clamping groove 18, a bolt 19, a first retainer ring 20 and a second retainer ring 21; the second protrusion 17 is arranged on the outer wall of the insertion rod 16, the second protrusion 17 is connected to the inner wall of the insertion tube 13 through a third clamping groove 18 in a clamped manner, the insertion rod 16 is located at one end, inside the insertion tube 13, of the insertion tube 19, a bolt 19 is connected to the outer wall of the bolt 19 in a fixedly connected manner, a first retaining ring 20 is fixedly connected to the outer wall of the bolt 19, the side wall of the first retaining ring 20 is attached to the end face of the insertion rod 16, a second retaining ring 21 is arranged on one side, away from the insertion rod 16, of the first retaining ring 20, and the second retaining ring 21 is located outside the insertion tube 13.

In the specific implementation process, it is worth pointing out that the second protrusion 17 is made of a soft material, for example, a rubber material, and can effectively connect the insertion rod 16 and the insertion tube 13 by matching with the third locking groove 18, and at the same time, once the insertion rod 16 is subjected to an excessive force, the insertion rod 16 can rotate relative to the insertion tube 13 by deformation of the second protrusion 17, so as to avoid damage to the valve rod 1 and the inside of an external valve, wherein the second locking ring 21 and the first locking ring 20 can limit the insertion rod 16 and the insertion tube 13, and prevent the two from being separated.

Therefore, on the basis of the above embodiment, the insert rod 16 is firstly inserted into the insert tube 13, and then the bolt 19 is fixed, at this time, the first retaining ring 20 abuts against the end of the insert rod 16, the second retaining ring 21 is located on the outer wall of the insert tube 13, and then the insert tube 13 is connected with the sleeve 3 through the first protrusion 14 and the second clamping groove 15, so that the support 4 and the sleeve 3 can be conveniently connected, the insert rod 16 and the insert tube 13 can be effectively connected through the matching of the second protrusion 17 and the third clamping groove 18, and meanwhile, once the insert rod 16 is excessively stressed, the insert rod 16 can rotate relative to the insert tube 13 through the deformation of the second protrusion 17, thereby avoiding the damage to the valve rod 1 and the inside of an external valve.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the same.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A valve handle with locking structure, includes valve rod (1), its characterized in that: one end of the valve rod (1) is fixedly connected with a square rod (2), the outer wall of the square rod (2) is sleeved with a sleeve (3), a support (4) is arranged at one end, away from the square rod (2), of the sleeve (3), a handle (5) is fixedly connected to the outer wall of the support (4), and a locking unit is arranged outside the sleeve (3);

the locking unit comprises a shell (6), a base (7), a bolt (9), a spring (10), a screw (11) and a first clamping groove (12);

casing (6) cup joint in the outer wall of square bar (2), casing (6) are kept away from one side of sleeve pipe (3) and are installed base (7), the lateral wall of base (7) is provided with screw (11), swing joint has bolt (9) between base (7) and casing (6), the end correspondence of bolt (9) is provided with sets up in first draw-in groove (12) of sleeve pipe (3) outer wall, bolt (9) are located the inside one end fixedly connected with spring (10) of casing (6), the terminal of spring (10) and the inner wall fixed connection of casing (6).

2. A valve handle having a locking structure according to claim 1, wherein: the shell (6) is fixedly connected with the base (7) through a fixing screw (8).

3. A valve handle having a locking structure according to claim 1, wherein: and a slope is arranged on one side of the bolt (9) close to the first clamping groove (12).

4. A valve handle with a locking structure according to claim 1, wherein: a connecting component is arranged on one side, close to the sleeve (3), of the support (4);

the connecting component comprises an insert rod (16), a second clamping groove (15), a first protrusion (14) and an insert pipe (13);

the inserting pipe (13) is inserted into the inner wall of the sleeve (3), first protrusions (14) are arranged on the upper portion and the lower portion of the outer wall of the inserting pipe (13), the first protrusions (14) are connected with the sleeve (3) in a clamped mode through second clamping grooves (15), an inserting rod (16) is inserted into the inserting pipe (13) in an inserted mode, and one end of the inserting rod (16) is fixedly connected with the support (4).

5. A valve handle with locking structure of claim 4, wherein: the insertion rod (16) is provided with a limiting unit;

the limiting unit comprises a second protrusion (17), a third clamping groove (18), a bolt (19), a first retainer ring (20) and a second retainer ring (21);

the second is protruding (17) set up in the outer wall of inserted bar (16), protruding (17) of second through third draw-in groove (18) joint in the inner wall of intubate (13), inserted bar (16) are located the inside one end threaded connection of intubate (13) and have bolt (19), the first retaining ring of outer wall fixedly connected with (20) of bolt (19), the lateral wall of first retaining ring (20) is laminated mutually with the terminal surface of inserted bar (16), one side that inserted bar (16) were kept away from in first retaining ring (20) is provided with second retaining ring (21), second retaining ring (21) are located the outside of intubate (13).

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