Spherical stop valve with locking structure

Abstract

The spherical stop valve with the locking structure comprises a valve body and the locking mechanism, a valve rod is arranged in the valve body in a rotating mode, a hand wheel handle is arranged at the top of the valve rod, a plurality of locking holes are formed in the surface of the hand wheel handle along the central axis in an annular array mode, a first hinge block is arranged on one side of the valve body, and a second hinge block is arranged on the other side of the valve body. A second hinge block is arranged at the bottom of the locking mechanism, the second hinge block is hinged to the first hinge block, a check block is arranged at the top of the locking mechanism, a lock cylinder cavity is formed in the locking mechanism, a locking rod is movably arranged in the lock cylinder cavity and inserted into the locking hole, a rotating rod is rotationally arranged on the front portion of the locking mechanism, and the rotating rod is movably arranged in the lock cylinder cavity. One end of the rotating rod is provided with a rotating block, the other end of the rotating rod is provided with a gear, one side of the bottom of the locking rod is provided with a rack, and the situation that the spherical stop valve is closed or opened by mistake due to the fact that the hand wheel handle is affected by factors such as gravity or mistaken touch is effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of spherical stop valve, specifically relates to a spherical stop valve with locking structure. BACKGROUND

[0002] The spherical stop valve belongs to one kind of stop valve, is widely used on the pipeline of the hydraulic support of the fully mechanized coal mining face of the coal mine, when the support of the working face sends the failure and needs to be overhauled, only needs to close the stop valve on the pipeline, stops the liquid supply, does not influence the normal work of other supports, the spherical stop valve is usually used on the fully mechanized mining hydraulic pipeline under the mine.

[0003] At present, the mine high-pressure spherical stop valve does not have the self-locking function generally, therefore, the spanner is easy to be influenced under the factors such as gravity or accidental touch, and the spherical stop valve is closed or opened accidentally.

[0004] Therefore, the applicant has made beneficial design, found the method for solving the above problems, and the technical scheme to be introduced below is generated under this background. CONTENT OF UTILITY MODEL

[0005] The utility model relates to a spherical stop valve with locking structure to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A spherical stop valve with locking structure, including valve body, locking mechanism, the valve body is rotationally provided with a valve stem, the valve stem top is provided with a hand wheel handle, the hand wheel handle surface is provided with a plurality of locking holes along the central axis in a ring array, the valve body one side is provided with a first hinge block, the locking mechanism bottom is provided with a second hinge block, the second hinge block is hinged with the first hinge block, the locking mechanism top is provided with a stop block, the locking mechanism inside is provided with a lock cylinder cavity, the lock cylinder cavity is movably provided with a locking rod, the locking rod is inserted into the locking hole, the locking mechanism front is rotationally provided with a rotating rod, the rotating rod one end is provided with a rotating block, the rotating rod other end is provided with a gear, the locking rod bottom one side is provided with a rack, the gear is engaged with the rack, the locking rod cavity inside is provided with a spring.

[0008] Preferably, the bottom of the stop block is provided with a blind hole, the top of the locking rod is provided with a chamfer on one side, and the top of the locking rod is inserted into the blind hole.

[0009] Preferably, the front end of the rotating block is provided with a insertion hole.

[0010] Preferably, the two ends of the spring are respectively abutted with the locking rod and the locking rod cavity.

[0011] Preferably, the plug-in hole is detachably provided with a screwing part.

[0012] Advantages

[0013] The one or more technical solutions in the spherical stop valve with the locking structure provided by the embodiments of the present utility model have at least one of the following technical effects:

[0014] The utility model discloses a technical scheme, when needing to open or close the valve body, the screwing part is inserted into the plug-in hole, the rotating block is rotated, the rotating block drives the rotating lever to rotate, the rotating lever drives the gear to rotate, the gear drives the rack to move, the locking rod is pulled out from the locking hole on the hand wheel handle, the locking of the hand wheel handle is cancelled, and the locking of the valve body is cancelled, the locking mechanism is rotated to the valve body side, the hand wheel handle can be rotated to adjust the valve body, when the adjustment is completed, the locking mechanism is only rotated to the valve body direction, one side of the locking rod provided with the chamfer abuts against the outside of the hand wheel handle, the locking rod is retracted into the locking rod cavity under the action of the chamfer, the locking rod and the center axis of the locking hole are coincided by continuing to push the locking mechanism, the locking rod is pushed into the locking hole under the elastic force of the spring, and the locking of the valve body can be completed again. The utility model effectively avoids the influence of gravity or accidental touch on the hand wheel handle, and the spherical stop valve is not closed or opened accidentally. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic view of the utility model;

[0016] Figure 2 It is the valve body structure schematic view of the utility model;

[0017] Figure 3 It is the locking mechanism structure schematic view of the utility model;

[0018] Figure 4 It is the side view sectional structure schematic view of the utility model;

[0019] Figure 5 It is the main view sectional structure schematic view of the utility model;

[0020] Figure 6 It is the locking mechanism locking state cancellation structure schematic view of the utility model;

[0021] The corresponding relationship between the annotations of various drawings in the figure and the component names is as follows:

[0022] 1, valve body; 2, locking mechanism; 3, valve stem; 4, hand wheel handle; 5, locking hole; 6, first hinge block; 7, second hinge block; 8, stop block; 9, locking rod cavity; 10, locking rod; 11, rotating rod; 12, rotating block; 13, gear; 14, rack; 15, spring; 16, blind hole; 17, insertion hole; 18, screw. DETAILED DESCRIPTION

[0023] The technical solutions of the utility model will be described below in conjunction with the embodiments, obviously, the described embodiments are 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 the ordinary skilled in the art without making creative labor belong to the scope of protection of the utility model.

[0024] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms such as 'up', 'down', 'left', 'right' in the description of the utility model is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0025] In the description of the utility model, it should be understood that, unless otherwise explicitly specified and limited, the terms'set', 'install', 'connect', 'connect' should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements. For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] As Figures 1-6 As shown in the structure diagram of a spherical stop valve with a locking structure of a preferred embodiment of the utility model, the locking mechanism is arranged in the valve body, and the locking rod is arranged in the locking rod cavity of the valve body, and the locking rod is connected with the locking hole in the valve body through the first hinge block and the second hinge block, and the locking rod is connected with the stop block through the rotating rod and the rotating block, and the stop block is connected with the gear, and the gear is connected with the rack, and the rack is connected with the spring, and the spring is connected with the blind hole in the valve body, and the gear is connected with the insertion hole in the valve body through the screw.

[0027] In the embodiment, the valve body 1 is rotatably provided with a valve rod 3, the top of the valve rod 3 is provided with a hand wheel handle 4, the valve body 1 is adjusted by rotating the hand wheel handle 4, a plurality of locking holes 5 are arranged in an annular array on the surface of the hand wheel handle 4 along the central axis, one side of the valve body 1 is provided with a first hinged block 6, the bottom of the locking mechanism 2 is provided with a second hinged block 7, the second hinged block 7 is hinged with the first hinged block 6, so that the valve body 1 and the locking mechanism 2 are rotatably connected, the top of the locking mechanism 2 is provided with a stop block 8, the stop block 8 is used for limiting the locking rod 10, the locking mechanism 2 is internally provided with a locking rod cavity 9, the locking rod cavity 9 is movably provided with a locking rod 10, the locking rod 10 slides along the direction of the locking rod cavity 9, and the locking rod 10 is inserted into the locking hole 5, so that the hand wheel handle 4 is locked, and the valve body 1 is locked, the front of the locking mechanism 2 is rotatably provided with a rotating rod 11, one end of the rotating rod 11 is provided with a rotating block 12, the other end of the rotating rod 11 is provided with a gear 13, the rotating rod 11, the rotating block 12 and the gear 13 are in an integral structure, one side of the bottom of the locking rod 10 is provided with a gear rack 14, the gear 13 is meshed with the gear rack 14, and the inside of the locking rod cavity 9 is provided with a spring 15.

[0028] In the embodiment, the bottom of the stop block 8 is provided with a blind hole 16, one side of the top of the locking rod 10 is provided with a chamfer, when the side of the locking rod 10 provided with the chamfer abuts against the hand wheel handle 4, the locking rod 10 is retracted into the locking rod cavity 9 under the action of the chamfer, and the top of the locking rod 10 is inserted into the blind hole 16.

[0029] In the embodiment, the front end of the rotating block 12 is provided with a insertion hole 17, the rotating block 12 is rotated by inserting a twisting block 18 into the insertion hole 17.

[0030] In the embodiment, the two ends of the spring 15 abut against the locking rod 10 and the locking rod cavity 9 respectively, and the spring 15 provides elastic force for the locking rod 10.

[0031] In the embodiment, the insertion hole 17 is detachably provided with a twisting piece 18, and the twisting piece 18 is inserted into the insertion hole 17 to rotate the rotating block 12.

[0032] Principle of use of the utility model:

[0033] When the valve body 1 needs to be opened or closed, the knob 18 is inserted into the insertion hole 17, the rotating block 12 is rotated, the rotating rod 11 is rotated, the gear 13 is rotated, the rack 14 is moved, the locking rod 10 is pulled out of the locking hole 5 on the handle knob 4, the locking of the handle knob 4 is cancelled, the locking of the valve body 1 is cancelled, the locking mechanism 2 is turned to the side of the valve body 1, the handle knob 4 is rotated to adjust the valve body 1, when the adjustment is completed, the locking mechanism 2 is turned to the valve body 1, the locking rod 10 is provided with a chamfered side and the outer side of the handle knob 4 is abutted, the locking rod 10 is retracted into the locking rod cavity 9 under the action of the chamfer, the locking mechanism 2 is continuously pushed to make the locking rod 10 coincide with the center axis of the locking hole 5, the locking rod 10 is pushed into the locking hole 5 under the elastic force of the spring 15, and the locking of the valve body 1 is completed again.

[0034] The installation mode, connection mode or setting mode of the spherical stop valve with the locking structure are all common mechanical modes, and any mode that can achieve the beneficial effects can be implemented.

[0035] The technologies not described in detail in the utility model are all known technologies, and the skilled person in the art can easily implement the utility model based on understanding the specification, and the contents shown in the drawings are part of the specification.

[0036] The above content is a further detailed description of the utility model combined with the specific embodiments, and cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary skilled person in the technical field to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, which should be regarded as belonging to the protection range determined by the claims submitted by the utility model.

Claims

1. A spherical gate valve with a locking structure, comprising a valve body (1) and a locking mechanism (2), characterized in that: A valve stem (3) is rotatably mounted inside the valve body (1). A handwheel handle (4) is mounted on the top of the valve stem (3). Several locking holes (5) are arranged in a circular array along the central axis on the surface of the handwheel handle (4). A first hinge block (6) is mounted on one side of the valve body (1). A second hinge block (7) is mounted at the bottom of the locking mechanism (2). The second hinge block (7) is hinged to the first hinge block (6). A stop block (8) is mounted on the top of the locking mechanism (2). A locking mechanism (2) is provided inside the locking mechanism (2). The locking rod cavity (9) contains a locking rod (10) that is movably disposed therein. The locking rod (10) is inserted into the locking hole (5). The locking mechanism (2) has a rotating rod (11) at the front. One end of the rotating rod (11) is provided with a rotating block (12). The other end of the rotating rod (11) is provided with a gear (13). A rack (14) is provided on one side of the bottom of the locking rod (10). The gear (13) meshes with the rack (14). A spring (15) is provided inside the locking rod cavity (9).

2. A spherical stop valve with a locking structure according to claim 1, characterized in that: The bottom of the stop block (8) is provided with a blind hole (16), and the top side of the locking rod (10) is provided with a chamfer. The top of the locking rod (10) is inserted into the blind hole (16).

3. A spherical stop valve with a locking structure according to claim 1, characterized in that: The front end of the rotating block (12) is provided with a socket (17).

4. A spherical stop valve with a locking structure according to claim 1, characterized in that: The two ends of the spring (15) abut against the locking rod (10) and the locking rod cavity (9), respectively.

5. A spherical stop valve with a locking structure according to claim 3, characterized in that: A screw (18) is disassembled inside the socket (17).

Images