CN218598958U

CN218598958U - Valve capable of preventing misoperation

Info

Publication number: CN218598958U
Application number: CN202223165161.5U
Authority: CN
Inventors: 祝正华; 邱定海
Original assignee: Shanghai Lidea Solenoid Valve Co ltd
Current assignee: Shanghai Lidea Solenoid Valve Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-03-10
Anticipated expiration: 2032-11-28

Abstract

The utility model relates to the technical field of valves, in particular to a valve with misoperation prevention.A sleeve with an opening at the lower end is arranged above a valve cover, the upper end of a valve rod is fixedly arranged on the top wall in the sleeve, a slide block is arranged in the sleeve in a vertical sliding manner, the lower end of the slide block is provided with a clamping block, the valve cover is provided with a clamping groove matched with the clamping block, and a spring is connected between the upper end of the slide block and the inner wall of the sleeve; telescopic outside demountable installation has the ware of unbocking, the ware of unbocking includes the installation department, vertical slidable mounting has the movable post that is located telescopic one side on the installation department, the lower extreme fixed mounting of activity post has the connecting seat, one side fixed mounting of connecting seat has the spliced pole, be equipped with on the slider with spliced pole assorted slot, the back is pulled down from the sleeve to the ware of unbocking, thereby the elasticity of spring makes the fixture block can't break away from the draw-in groove with the downward thrust of slider, sleeve and valve rod can not rotate, prevent that the maloperation valve rod from resulting in the state of valve to change.

Description

Valve capable of preventing misoperation

Technical Field

The utility model relates to the technical field of valves, concretely relates to prevent valve of maloperation.

Background

The ball valve is mainly used for cutting off, distributing and changing the flowing direction of a medium on a pipeline, has the advantages of simple structure, good sealing performance, small volume, light weight, low material consumption, small installation size, small driving moment, simple and convenient operation and easy realization of quick opening and closing, and is one of the fastest valve varieties developed in recent decades.

At present, ball valve on the market generally includes valve body and valve gap through bolt, nut connection, is equipped with the case in the valve body, and the valve rod is connected to the case, and the valve rod upwards wears out the valve gap and installs the hand wheel, and this kind of valve rotates the hand wheel and can drive the valve rod and rotate, and the maloperation that prevents people that can not be fine opens and close the valve that non-professional also can be very easy, and then causes unpredictable consequence.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a valve of preventing maloperation is provided, can lock the valve rod to solve current valve and can not prevent the technical problem of people's maloperation.

In order to solve the technical problem, the technical scheme of the utility model is that: a valve for preventing misoperation comprises a valve body, wherein a valve cover is fixedly mounted at the top of the valve body, a valve rod is rotatably mounted on the valve cover, the lower end of the valve rod extends into the valve body and is fixedly provided with a valve core, a sleeve with an opening at the lower end is arranged above the valve cover, the upper end of the valve rod is fixedly mounted on the top wall in the sleeve, a sliding block is vertically and slidably mounted in the sleeve, a clamping block is arranged at the lower end of the sliding block, a clamping groove matched with the clamping block is arranged on the valve cover, and a spring is connected between the upper end of the sliding block and the inner wall of the sleeve; telescopic outside demountable installation has and is used for driving the fixture block breaks away from the ware of unbocking of draw-in groove, the ware of unbocking includes the installation department, installation department demountable installation is in the telescopic outside, vertical slidable mounting has and is located on the installation department the movable post of telescopic one side, the lower extreme fixed mounting of movable post has the connecting seat, one side fixed mounting of connecting seat has the spliced pole, be equipped with on the slider with spliced pole assorted slot, be equipped with the confession on the sleeve the hole of dodging of rectangular shape that the spliced pole passed.

According to a preferable technical scheme, the mounting part comprises two mounting seats which are oppositely arranged at the left and the right, an annular groove is formed in the outer side of the sleeve, and a mounting hole matched with the annular groove is formed between the two mounting seats; one end of each of the two mounting seats is hinged through a shaft pin, one end, far away from the shaft pin, of one mounting seat is provided with a buckle, and the other end, far away from the shaft pin, of the other mounting seat is provided with a clamping block matched with the buckle.

As a further improvement, one of them the bottom of mount pad be equipped with activity post assorted slot, be equipped with the direction sand grip of vertical extension on the inner wall of slot, be equipped with on the activity post with direction sand grip assorted direction recess, rotate on the mount pad and install the screw rod of vertical extension, the activity post closes soon the lower extreme of screw rod, the upper end fixed mounting of screw rod has the knob.

As a further improvement, the sliding block is annular, the valve rod penetrates through the center of the sliding block, a vertically extending guide strip is arranged on the inner wall of the sleeve, and a guide groove matched with the guide strip is formed in the sliding block.

As a further improvement, the upper end of the sleeve is fixedly provided with a knob.

As a further improvement, the number of the clamping grooves is two, and the two clamping grooves respectively correspond to a valve closing state and a valve opening state.

After the technical scheme is adopted, the beneficial effects of the utility model are that:

(1) When the state of the valve is adjusted, the unlocking device is installed on the sleeve, the connecting column is inserted into the slot on the sliding block, the screw rod is rotated in a specific direction, the movable column is driven by the screw rod to move upwards along the slot, the movable column drives the sliding block to move upwards through the connecting seat and the connecting column, the clamping block at the bottom of the sliding block is separated from the clamping groove, and then the sleeve can be rotated to drive the valve rod to rotate and open or close the valve; after the state of the valve is readjusted, the movable column is driven to move downwards along the slot by reversely rotating the screw rod, the movable column drives the sliding block to move downwards through the connecting seat and the connecting column, so that the clamping block at the bottom of the sliding block is clamped into the corresponding clamping groove, then the unlocking device is disassembled from the sleeve, the elastic force of the spring gives downward thrust to the sliding block, so that the clamping block cannot be separated from the clamping groove, the sleeve and the valve rod cannot rotate, and the state of the valve is prevented from being changed due to misoperation of the valve rod;

(2) The utility model provides an unlocking device includes the installation department, and the installation department is including controlling two mount pads that set up relatively, and it is articulated through vertical extension's pivot between the one end of mount pad, and one end integrated into one piece that the pivot was kept away from to one of them mount pad has the buckle, another mount pad keep away from the one end integrated into one piece of pivot have with buckle assorted fixture block, the dismouting of unlocking device is very convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of a sleeve according to an embodiment of the present invention;

fig. 3 is a schematic bottom view of a slider according to an embodiment of the present invention;

fig. 4 is a schematic top view of a valve cover in accordance with an embodiment of the present invention;

fig. 5 is a schematic structural view of the unlocking device of the embodiment of the invention;

fig. 6 is a schematic top view of an unlocking device according to an embodiment of the present invention.

In the figure: 1-a valve body; 2-valve cover; 3-a valve stem; 4-a sleeve; 5-a slide block; 6-a guide bar; 7-a guide groove; 8-a clamping block; 9-a clamping groove; 10-a spring; 11-a mounting seat; 12-an annular groove; 13-mounting holes; 14-buckling; 15-a fixture block; 16-a movable column; 17-a slot; 18-guiding ribs; 19-a guide groove; 20-a screw; 21-a knob; 22-a connecting seat; 23-connecting column; 24-a slot; 25-avoiding holes; 26-rotating handle; 27-axle pin.

Detailed Description

As shown in fig. 1 to 6, a prevent maloperation's valve, including valve body 1, there is valve gap 2 at the top of valve body 1 through bolt fixed mounting, rotate on the valve gap 2 and install valve rod 3, the lower extreme of valve rod 3 extends to in the valve body 1 and fixed mounting has the case, the top of valve gap 2 is equipped with lower extreme open-ended sleeve 4, the roof inboard of sleeve 4 is equipped with the upper end assorted mounting groove with valve rod 3, insert in the mounting groove and fix through bolt and sleeve 4 in the upper end of valve rod 3, can drive valve rod 3 when rotating sleeve 4 and rotate, thereby adjusting valve's the opening and closing.

As shown in fig. 2 and 3, a sliding block 5 is vertically slidably mounted in the sleeve 4, the sliding block 5 is annular, the valve rod 3 penetrates through the center of the sliding block 5, in order to prevent the sliding block 5 and the sleeve 4 from rotating relatively, a vertically extending guide strip 6 is integrally formed on the inner wall of the sleeve 4, and a guide groove 7 matched with the guide strip 6 is formed on the outer peripheral surface of the sliding block 5.

As shown in fig. 2 and 4, the lower extreme integrated into one piece of slider 5 has fixture block 8, and the top of valve gap 2 is equipped with cylindric arch, and the arch at valve gap 2 top upwards extends to in the sleeve 4, is equipped with on the arch at valve gap 2 top with fixture block 8 assorted draw-in groove 9, is connected with spring 10 between the upper end of slider 5 and the roof inboard of sleeve 4, and spring 10 overlaps in the outside of valve rod 3.

The sleeve 4 is pivoted and is driven valve rod 3 and slider 5 and rotate simultaneously, when not installing the ware of unbocking, when sleeve 4 drives slider 5 and rotates to the fixture block 8 of slider 5 bottom and the draw-in groove 9 on the valve gap 2 and align, spring 10's elasticity promotes slider 5 and moves down and makes in the fixture block 8 card goes into draw-in groove 9, restrict slider 5 through draw-in groove 9 and rotate, and then slider 5 locks sleeve 4 and valve rod 3, make sleeve 4 and valve rod 3 also can not rotate, thereby prevent that the maloperation valve rod from leading to opening or closing the valve by mistake. In this embodiment, draw-in groove 9 specifically is equipped with two, two draw-in grooves 9 correspond valve closed condition and valve open mode respectively, drive slider 5 when sleeve 4 promptly and rotate to 8 card of fixture block and go into one of them draw-in groove 9, the valve is in closed condition, drive slider 5 when sleeve 4 rotates to 8 card of fixture block and go into another draw-in groove 9, the valve is in open mode, thereby when rotating valve rod 3 and making the valve close or open, promote 8 card of fixture block through the elasticity of spring 10 and go into corresponding draw-in groove 9, thereby with valve rod 3 locking, prevent that maloperation valve rod 3 from leading to the state of valve to change.

As shown in fig. 2, 5 and 6, the outside demountable installation of sleeve 4 has the ware of unlocking that is used for driving fixture block 8 to break away from draw-in groove 9, the ware of unlocking includes the installation department, installation department demountable installation is in the outside of sleeve 4, the installation department includes two mount pads 11 of controlling relative setting, the outside of sleeve 4 is equipped with ring channel 12, be equipped with between two mount pads 11 with ring channel 12 assorted mounting hole 13, when two mount pads 11 were closed, the inner wall card of mounting hole 13 goes into in the ring channel 12, thereby prevent that the installation department from sliding from top to bottom along sleeve 4. In order to facilitate the assembly and disassembly of the mounting parts, one ends of the two mounting seats 11 are hinged through a shaft pin 27 extending vertically, a buckle 14 is integrally formed at one end of one mounting seat 11 far away from the shaft pin 27, and a clamping block 15 matched with the buckle 14 is integrally formed at one end of the other mounting seat 11 far away from the shaft pin 27.

The mounting part is vertically and slidably provided with a movable column 16 positioned on one side of the sleeve 4, and the bottom of one mounting seat 11 is provided with a slot 17 matched with the movable column 16. In order to prevent the movable column 16 from rotating in the slot 17, two guide convex strips 18 extending vertically are integrally formed on the inner wall of the slot 17, the two guide convex strips 18 are symmetrically arranged, and two opposite sides of the outer peripheral surface of the movable column 16 are respectively provided with guide grooves 19 matched with the guide convex strips 18. In order to adjust the movable column 16 to move up and down conveniently, a vertically extending screw rod 20 is rotatably mounted on the mounting seat 11, a polish rod is arranged at the upper end of the screw rod 20, the polish rod at the upper end of the screw rod 20 is rotatably mounted on the mounting seat 11 through a bearing, the lower end of the screw rod 20 extends into the slot 17, the movable column 16 is screwed at the lower end of the screw rod 20, a knob 21 is fixedly mounted at the upper end of the screw rod 20 in order to rotate the screw rod 20 conveniently, and the movable column 16 can be driven to move up and down along the slot 17 when the screw rod 20 rotates.

The lower extreme integrated into one piece of activity post 16 has connecting seat 22, and one side fixed mounting that connecting seat 22 is close to sleeve 4 has spliced pole 23, and in connecting seat 22 was embedded to the one end of spliced pole 23, spliced pole 23 extended along the radial of sleeve 4, be equipped with on the slider 5 with spliced pole 23 assorted slot 24, be equipped with on the sleeve 4 and supply spliced pole 23 to pass the rectangular shape dodge hole 25.

When the state of the valve needs to be adjusted, firstly, the unlocking device is installed on the sleeve 4, the sleeve 4 is arranged between the two installation seats 11, the connecting column 23 penetrates through the avoidance hole 25 and is inserted into the slot 24 on the sliding block 5, the two installation seats 11 are closed, the inner wall of the installation hole 13 is clamped into the annular groove 12, the buckle 14 and the clamping block 15 are buckled with each other, and therefore the installation part cannot be separated from the sleeve 4; then, the screw 20 is rotated in a specific direction, the screw 20 drives the movable post 16 to move upwards along the slot 17, the movable post 16 drives the slider 5 to move upwards through the connecting seat 22 and the connecting post 23, so that the clamping block 8 at the bottom of the slider 5 is separated from the clamping groove 9, and then the sleeve 4 can be rotated to drive the valve rod 3 to rotate, and the valve is opened or closed.

After the state of the valve is readjusted, the screw rod 20 is rotated reversely to drive the movable column 16 to move downwards along the slot 17, the movable column 16 drives the slider 5 to move downwards through the connecting seat 22 and the connecting column 23, the fixture block 8 at the bottom of the slider 5 is clamped into the corresponding clamping groove 9, then the buckles 14 and the fixture block 15 of the two mounting seats 11 are separated, so that the unlocking device is detached from the sleeve 4, the elastic force of the spring 10 gives the downward thrust of the slider 5, so that the fixture block 8 cannot be separated from the clamping groove 9, the sleeve 4 and the valve rod 3 cannot rotate, and the condition of the valve caused by misoperation of the valve rod 3 is prevented from being changed.

In order to rotate the sleeve 4, a knob 26 is fixedly mounted on the upper end of the sleeve 4.

The basic principles, main features and advantages of the present invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a prevent maloperation's valve, includes the valve body, the top fixed mounting of valve body has the valve gap, rotate on the valve gap and install the valve rod, the lower extreme of valve rod extends to in the valve body and fixed mounting have case, its characterized in that: a sleeve with an opening at the lower end is arranged above the valve cover, the upper end of the valve rod is fixedly arranged on the top wall in the sleeve, a sliding block is arranged in the sleeve in a vertically sliding manner, a clamping block is arranged at the lower end of the sliding block, a clamping groove matched with the clamping block is arranged on the valve cover, and a spring is connected between the upper end of the sliding block and the inner wall of the sleeve; telescopic outside demountable installation has and is used for driving the fixture block breaks away from the ware of unbocking of draw-in groove, the ware of unbocking includes the installation department, installation department demountable installation is in the telescopic outside, vertical slidable mounting has and is located on the installation department the movable post of telescopic one side, the lower extreme fixed mounting of movable post has the connecting seat, one side fixed mounting of connecting seat has the spliced pole, be equipped with on the slider with spliced pole assorted slot, be equipped with the confession on the sleeve the hole of dodging of rectangular shape that the spliced pole passed.

2. An anti-misoperation valve according to claim 1, wherein: the mounting part comprises two mounting seats which are oppositely arranged at the left and the right, an annular groove is arranged at the outer side of the sleeve, and a mounting hole matched with the annular groove is arranged between the two mounting seats; one end of each of the two mounting seats is hinged through a shaft pin, one end, far away from the shaft pin, of one mounting seat is provided with a buckle, and the other end, far away from the shaft pin, of the other mounting seat is provided with a clamping block matched with the buckle.

3. A valve of claim 2, wherein: one of them the bottom of mount pad be equipped with activity post assorted slot, be equipped with the direction sand grip of vertical extension on the inner wall of slot, be equipped with on the activity post with direction sand grip assorted direction recess, rotate on the mount pad and install the screw rod of vertical extension, the activity post closes soon the lower extreme of screw rod, the upper end fixed mounting of screw rod has the knob.

4. An anti-misoperation valve according to claim 1, wherein: the slider is the annular, the valve rod is followed the center of slider passes, be equipped with vertical extension's gib block on the telescopic inner wall, be equipped with on the slider with gib block assorted guide way.

5. A valve of claim 1, wherein: and a rotating handle is fixedly arranged at the upper end of the sleeve.

6. A valve of claim 1, wherein: the clamping grooves are two and respectively correspond to a valve closing state and a valve opening state.