CN116557624A - Valve with locking mechanism - Google Patents

Abstract

The invention relates to a valve with a locking mechanism, which comprises a valve body, wherein a control valve rod is arranged on the valve body, a control handle is arranged at the top end of the control valve rod, a positioning disc is arranged at the lower end of the control handle, a plurality of first positioning holes are formed in the positioning disc, a positioning block corresponding to the positioning disc is arranged at the lower end of the positioning disc, a second positioning hole corresponding to the first positioning hole is formed in the positioning block, a positioning pin corresponding to the second positioning hole is arranged at the lower end of the positioning block, a lock is arranged on one side of the control valve rod, a lock head is arranged on the lock head, a locking groove corresponding to the lock head is formed in the positioning pin, the device provides a locking structure for the control handle, the handle is prevented from rotating due to misoperation, the lock head is arranged to protect the locking structure, the fact that a corresponding person cannot control the valve, rotation of the control valve rod is avoided when the handle is replaced, and the use and the installation of the valve are ensured.

Description

Valve with locking mechanism

Technical Field

The invention relates to the technical field of control valves, in particular to a valve with a locking mechanism.

Background

Valves are common control devices in modern life, and are typically disposed on various fluid or gas lines to open and close the lines, control flow direction, regulate the flow rate of media, and the like.

In actual production use, the place that has mostly arranged the pipeline does not have the special guard, and valve simple structure does not have fixed knot constructs, to arranging the pipeline valve in the field, can appear the not hard up change of valve because of animal or external material's influence, cause the work material not enough, to arranging the pipeline valve at mill, can adjust the valve that need not change because of constructor maloperation, influence production quality, to arranging the pipeline valve in the family, can be because of the curiosity of infant in the family, open this pipeline valve of closing, cause the incident, lack the locking structure to the valve, can cause the hidden danger of using, simultaneously facing other careless people, simple locking structure can't protect the operation that people can, only need untie alright the locking structure alright the adjustable valve, can't provide comprehensive protection to the pipeline transportation, and the handle of valve is exposed outside for a long time, long-term use is easy to damage, influence the control handle to the valve, the control handle is connected through screw thread, control handle can rotate together when rotating the control handle, the valve work inconvenient dismantlement of control handle can influence the work of valve otherwise.

Disclosure of Invention

(one) solving the technical problems

In view of the shortcomings of the prior art, the present invention provides a valve with a locking mechanism.

(II) technical scheme

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a valve with locking mechanical system, includes the valve body, be equipped with the control valve rod on the valve body, the top of control valve rod is equipped with the control handle, the control handle lower extreme is equipped with the positioning disk, the positioning disk is connected with the control handle, first locating hole has been seted up on the positioning disk, first locating hole is provided with the several, and just around the equidistant distribution of positioning disk, the positioning disk lower extreme is equipped with rather than the locating piece that corresponds, set up the second locating hole that corresponds with first locating hole on the locating piece, and locating piece and valve body coupling, the locating piece lower extreme is equipped with the locating pin that corresponds with the second locating hole, the locating pin slides along the second locating hole, control valve rod one side is equipped with the tool to lock, tool to lock and valve body coupling, be equipped with the tapered end on the tool to lock, the locked groove that corresponds with the tapered end has been seted up on the locating pin.

Preferably, the control valve rod upper end is equipped with the rectangle fixed block, control handle is last to have seted up the rectangle fixed slot that corresponds with the rectangle fixed block, control handle lower extreme fixed connection is equipped with the extension post, positioning disk and extension post lower extreme fixed connection, the valve rod hole that corresponds with control valve rod has all been seted up on extension post and the positioning disk, the control handle of being convenient for is convenient for change, and convenient operation control valve rod makes and leaves sufficient space between positioning disk and the control handle, facilitates the use.

In a further preferred embodiment, the rectangular fixing groove is internally provided with a fixing bolt, the fixing bolt comprises a screw rod and a screw cap, the control valve rod and the rectangular fixing block are provided with screw grooves corresponding to the screw rod, and the upper end of the rectangular fixing groove is provided with a cap groove corresponding to the screw cap, so that the installation of the control handle is not abrupt, and the control handle is more comfortable in use.

In a further preferred embodiment, the valve body is provided with an extension column at the control valve rod, the positioning block is fixedly connected with the extension column, one end of the extension column is provided with a pin box, the positioning pin is slidably connected in the pin box, and a spring is arranged between the positioning pin and the bottom wall of the pin box, so that the extension column works stably, and the relative movement of the positioning disc and the positioning block is limited.

In a further preferred embodiment, the lower end of the positioning pin is fixedly connected with a limiting block, a sliding cavity corresponding to the limiting block is formed in the pin box, and a pin outlet corresponding to the positioning pin is formed in the pin box, so that the positioning pin is prevented from being separated from the pin box, and stable operation of the positioning pin is ensured.

In a further preferred embodiment, the extension column is provided with a rotation groove, a rotation ring is arranged in the rotation groove, a cover plate corresponding to the pin outlet is arranged on the rotation ring, the cover plate is fixedly connected with the rotation ring, the positioning pin is limited to pass through the second positioning hole, the positioning pin is prevented from affecting the rotation of the control handle, and the smoothness of control operation is ensured.

In a further preferred aspect, the lock includes a lock shell, a pin inlet corresponding to the positioning pin is provided on the lock shell, the lock head is located above the pin inlet, a contact cambered surface corresponding to the extension column is provided on the lock shell, so as to protect the contact portion of the lock head and the positioning pin, and prevent the lock head from being damaged and causing a fixing failure.

In a further preferred aspect, the lock shell is provided with a key hole, a lock core is arranged in the key hole, the lock core is matched with the lock head, a dust guard is hinged to the key hole, sand dust in the external environment is prevented from blocking the lock core, and normal use of the lock is guaranteed.

In a further preferred aspect, the lower end of the lock shell is provided with a fixing seat, a connecting hole is formed in the fixing seat, a connecting groove corresponding to the connecting hole is formed in the valve body, and the lock shell is detachably connected with the valve body through the fixing seat, so that the lock is convenient to detach for repair or replacement.

In a further preferred embodiment, a control block is fixedly connected to one end of the positioning pin, a sliding port corresponding to the control block is formed in the pin box, the sliding port is communicated with the sliding cavity, and the control block is slidably connected with the sliding port.

(III) beneficial effects

Compared with the prior art, the invention provides the valve with the locking mechanism, which has the following beneficial effects:

1. according to the invention, the positioning disc is arranged to rotate along with the control handle, the positioning block is fixedly connected with the valve body, the positioning pin is arranged to move up and down, the positioning pin passes through the positioning disc and the positioning block, the pin box and the spring are arranged to provide support for the movement of the positioning pin, and the relative rotation between the positioning disc and the positioning block is limited, so that the control handle is locked, the control handle and the valve body are protected to be relatively static, the change of the valve control capability caused by the external influence or misoperation rotation of the control handle is avoided, the stable operation of the valve is ensured, and the stable transportation of a pipeline is ensured.

2. The lock, the lock head and the lock groove are arranged to fix the locating pin penetrating through the locating disc and the locating block, the lock head is controlled by the lock core to be combined with and separated from the locating pin, the control of the locking structure represented by the locating pin is realized, the lock head can be unlocked to fix the locating pin only by holding a key corresponding to the lock core, the control handle is controlled to rotate, the working state of the valve is changed, meanwhile, the joint of the lock head and the locating pin is protected through the lock shell and the pin inlet, and the lock shell protects the whole lock, so that people can avoid directly damaging the lock head.

3. The control valve rod is connected with the control handle by arranging the valve rod hole, the control valve rod and the control handle are mutually matched by arranging the rectangular fixing block and the rectangular fixing groove, the fixing bolt, the screw groove and the cap groove are arranged, the control handle is clamped by matching with the control valve rod when the fixing bolt is connected with the control valve rod, the control valve rod and the control handle are fixed, and when the control handle is dismounted, the control handle can be taken down or inserted by only removing the fixing bolt, so that the rotation of the control valve rod is not caused, and the normal work of the valve is not influenced.

Drawings

FIG. 1 is a schematic diagram of a front structure of a valve with a locking mechanism according to the present invention;

FIG. 2 is a schematic diagram showing the cooperation structure between the valve body, the pin box and the lock according to the present invention;

FIG. 3 is a schematic view of the cooperation structure between the valve body and the pin box according to the present invention;

FIG. 4 is a schematic view of the cooperation structure of the control handle and the fixing bolt in the invention;

FIG. 5 is a cross-sectional view of the internal structure of the control handle and extension column of the present invention;

FIG. 6 is a schematic view of the cooperation structure of the pin box and the positioning pin in the present invention;

FIG. 7 is a cross-sectional view of the internal mating structure of the pin box and locating pin of the present invention;

FIG. 8 is a cross-sectional view of the mating structure of the lock housing and the lock head of the present invention;

FIG. 9 is a schematic view of the bottom structure of the lock according to the present invention.

In the figure: 1. a valve body; 2. a control valve stem; 3. a control handle; 4. a positioning plate; 5. a first positioning hole; 6. a positioning block; 7. a second positioning hole; 8. a positioning pin; 9. a lock; 10. a lock head; 11. a locking groove; 12. a rectangular fixed block; 13. a rectangular fixing groove; 14. an extension column; 15. a valve stem bore; 16. a fixing bolt; 17. a screw; 18. a screw cap; 19. a screw groove; 20. a cap groove; 21. extending the column; 22. a pin box; 23. a spring; 24. a limiting block; 25. a sliding chamber; 26. a pin outlet; 27. a rotating groove; 28. a rotating ring; 29. a cover plate; 30. a lock case; 31. a pin inlet; 32. a contact cambered surface; 33. a key hole; 34. a lock core; 35. a dust-proof plate; 36. a fixing seat; 37. a connection hole; 38. a connecting groove; 39. a control block; 40. and sliding the opening.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1:

referring to fig. 1, fig. 2, fig. 3, fig. 6 and fig. 8, a valve with a locking mechanism includes a valve body 1, a control valve rod 2 is provided on the valve body 1, a control handle 3 is provided at the top end of the control valve rod 2, a positioning disk 4 is provided at the lower end of the control handle 3, the positioning disk 4 is connected with the control handle 3, a first positioning hole 5 is provided on the positioning disk 4, the first positioning holes 5 are provided in a plurality of numbers and distributed at equal intervals around the positioning disk 4, a positioning block 6 corresponding to the positioning disk 4 is provided at the lower end of the positioning disk 4, a second positioning hole 7 corresponding to the first positioning hole 5 is provided on the positioning block 6, the positioning block 6 is connected with the valve body 1, a positioning pin 8 corresponding to the second positioning hole 7 is provided at the lower end of the positioning block 6, the positioning pin 8 slides along the second positioning hole 7, a lock 9 is provided at one side of the control valve rod 2, the lock 9 is connected with the valve body 1, a lock head 10 is provided on the positioning pin 8, and a locking groove 11 corresponding to the lock head 10 is provided on the positioning pin 8.

Referring to fig. 3-5, in this embodiment, a rectangular fixing block 12 is provided at the upper end of a control valve rod 2, a rectangular fixing groove 13 corresponding to the rectangular fixing block 12 is provided on a control handle 3, an extension column 14 is fixedly connected to the lower end of the control handle 3, a positioning disk 4 is fixedly connected to the lower end of the extension column 14, valve rod holes 15 corresponding to the control valve rod 2 are provided on both the extension column 14 and the positioning disk 4, a fixing bolt 16 is provided in the rectangular fixing groove 13, the fixing bolt 16 includes a screw rod 17 and a nut 18, a screw groove 19 corresponding to the screw rod 17 is provided on the control valve rod 2 and the rectangular fixing block 12, a cap groove 20 corresponding to the nut 18 is provided at the upper end of the rectangular fixing groove 13, the control handle 3 is installed, the control valve rod 2 is inserted into the valve rod hole 15, the rectangular fixing block 12 is entered into the rectangular fixing groove 13, the bottom of the rectangular fixing groove 13 is contacted with the control valve rod 2, the control handle 3 is supported, the control handle 3 is sleeved on the control valve rod 2, the fixing bolt 16 is installed, the screw rod 17 is rotated and inserted into the screw groove 19 until the nut 18 is in the screw groove 20, the fixing cap 16 is integrated with the control handle 12, the rectangular fixing block 12 and the control handle 3 is fixed with the rectangular fixing block 3, and the control handle 3 is fixed by the rectangular fixing block 3.

Referring to fig. 3, 6 and 7, in this embodiment, the valve body 1 is provided with an extension column 21 at the control valve rod 2, the positioning block 6 is fixedly connected with the extension column 21, one end of the extension column 21 is provided with a pin box 22, the positioning pin 8 is slidably connected in the pin box 22, a spring 23 is arranged between the positioning pin 8 and the bottom wall of the pin box 22, the lower end of the positioning pin 8 is fixedly connected with a limiting block 24, a sliding cavity 25 corresponding to the limiting block 24 is formed in the pin box 22, a pin outlet 26 corresponding to the positioning pin 8 is formed in the pin box 22, a rotating groove 27 is formed in the extension column 21, a rotating ring 28 is arranged in the rotating groove 27, a cover plate 29 corresponding to the pin outlet 26 is fixedly connected with the rotating ring 28, the rotating ring 28 is controlled to enable the rotating ring 28 to rotate in the rotating groove 27, the rotating ring 28 drives the cover plate 29 to move, the cover plate 29 to leave the pin outlet 26, the pin outlet 26 is exposed, the positioning pin 8 is pushed by the spring 23 to extend from the pin outlet 26, the limiting block 24 slides along the pin outlet 26 when the limiting block 25 slides along the sliding arm 25 and cannot reach the sliding arm 25 to the maximum length of the limiting block 24 when the sliding arm 25 is pushed by the sliding arm 25.

Referring to fig. 2, 3, 8 and 9, in this embodiment, the lock 9 includes a lock case 30, a pin inlet 31 corresponding to the positioning pin 8 is formed on the lock case 30, the lock head 10 is located above the pin inlet 31, a contact cambered surface 32 corresponding to the extension column 14 is formed on the lock case 30, a key hole 33 is formed on the lock case 30, a lock cylinder 34 is formed in the key hole 33, the lock cylinder 34 is matched with the lock head 10, a dust guard 35 is hinged on the key hole 33, the contact cambered surface 32 enables the lock case 30 to be contacted with the control handle 3 more stably, the positioning pin 8 is inserted into the lock case 30 from the pin inlet 31, the dust guard 35 is lifted, a corresponding key is inserted into the key hole 33, the lock cylinder 34 is controlled to work, the lock head 10 is matched with the positioning pin 8, the lock head 10 is protected to be connected with the positioning pin 8 through the lock case 30, and the lock cylinder 34 is protected to work normally through the dust guard 35.

Referring to fig. 6 and 7, in the present embodiment, a fixing seat 36 is provided at the lower end of the lock case 30, a connection hole 37 is provided on the fixing seat 36, a connection slot 38 corresponding to the connection hole 37 is provided on the valve body 1, the lock case 30 is detachably connected with the valve body 1 through the fixing seat 36, the connection hole 37 is aligned with the connection slot 38, and a bolt or other fixing device is inserted into the connection slot 38 through the connection hole 37 to fix the fixing seat 36 on the valve body 1, thereby fixing the lock case 30 on the valve body 1.

Example 2:

referring to fig. 1, 2, 3, 6, 7, 8 and 9, when the valve is used, the control handle 3 is rotated to rotate the control valve stem 2, so that the control valve stem 2 drives the valve block in the valve body 1 to move, and the state of the valve body 1 is regulated, the above process is not described in detail, when the control handle 3 rotates, the cover plate 29 is located above the pin outlet 26, the pin outlet 26 is blocked, the positioning pin 8 is limited in the pin box 22, the control handle 3 rotates normally, the extension column 14 drives the positioning disk 4 to rotate together with the control handle 3, after the control handle 3 rotates to a specific position, the adjustment of the valve body 1 is completed, at this time, the second positioning hole 7 on the positioning block 6 should be aligned with the first positioning hole 5 above the control handle, the rotating ring 28 is rotated in the rotating groove 27, the rotating ring 28 drives the cover plate 29 to move, the cover plate 29 is separated from the pin outlet 26 to expose the pin outlet 26, the positioning pin 8 loses the upper limit, the limiting block 24 slides along the sliding cavity 25 under the pushing of the spring 23, the positioning pin 8 extends out of the pin outlet 26 and slides along the pin outlet 26, the positioning pin 8 sequentially passes through the second positioning hole 7 and the first positioning hole 5 and then enters the pin inlet 31, when the limiting block 24 contacts with the upper arm of the sliding cavity 25, the spring 23 cannot move to push the limiting block 24, the positioning pin 8 reaches the maximum extending length, at the moment, the positioning disk 4 and the positioning block 6 become integrated under the limit of the positioning pin 8 and cannot rotate relatively, if the limit is released, the limiting block 39 is pulled to move downwards in the sliding opening 40, the positioning pin 8 is separated from the first positioning hole 5 by the second positioning hole 7, the positioning disk 4 moves synchronously with the control handle 3 under the connection of the extending column 14 and is retracted in the pin box 22, the locating block 6 keeps synchronous movement with the valve body 1 under the connection of the extension column 21, if the locating disc 4 and the locating block 6 can not rotate relatively, the control handle 3 and the valve body 1 can not rotate relatively, thus the locking of the valve is finished, the dust guard 35 is lifted, a corresponding key is inserted into the key hole 33, the lock cylinder 34 is controlled to work, the lock head 10 is driven to move, the lock head 10 is inserted into the lock groove 11, the lock head 10 is matched with the locating pin 8, the movement of the locating pin 8 is limited, the locating pin 8 is locked through the lock 9, the locating pin 8 can not move by itself, and the locking between the control handle 3 and the valve body 1 can not be released easily.

Example 3:

referring to fig. 2-5, based on the above embodiment 2, when the control handle 3 or the lock 9 needs to be replaced, the lock 9 is first disassembled, the bolt or other fixing device in the connecting hole 37 is removed, then the fixing seat 36 is removed from the valve body 1, then the fixing bolt 16 in the rectangular fixing groove 13 is removed, the control handle 3 is disassembled, the control handle 3 and the lock 9 are repaired or replaced, when the control handle 3 is installed, the control handle 2 is inserted into the valve rod hole 15, the rectangular fixing block 12 enters the rectangular fixing groove 13, the bottom of the rectangular fixing groove 13 is contacted with the control handle 2, the control handle 3 is supported, the control handle 3 is sleeved on the control handle 2, the fixing bolt 16 is installed, the screw 17 is inserted into the screw groove 19 until the nut 18 is sunk into the cap groove 20, at this time, the fixing bolt 16 is connected with the control handle 2 and the rectangular fixing block 12, the control handle 3 is pressed by the nut 18, the rectangular fixing block 12 is matched with the rectangular fixing groove 13, the control handle 3 and the control handle 2 are integrated, when the lock 9 is installed, the contact cambered surface 32 is tightly contacted with the extending post 14, the connecting hole 37 is tightly aligned with the extending post 14, the connecting hole 37 is tightly inserted into the connecting hole 37 or other fixing device through the cap groove 20, and the valve body is fixed by inserting the connecting hole 38 into the fixing hole 1, and fixing hole through the fixing hole 38.

Example 4:

referring to fig. 1, 2, 8 and 9, based on the above embodiment 2, when the lock 9 works, the lock housing 30 protects the whole body, and protects the joint between the lock head 10 and the lock groove 11, so as to prevent someone from forcibly protecting the connection between the lock head 10 and the positioning pin 8, and also prevent the control handle 3 from being reused due to the fact that the lock cylinder 34 or the lock head 10 cannot be separated from the positioning pin 8 after being damaged, and the dustproof plate 35 covers the key hole 33 when no key is inserted, so as to prevent the key hole 33 or the lock cylinder 34 from being influenced by external environment.

In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims (10)

1. The utility model provides a valve with locking mechanical system, includes valve body (1), be equipped with control valve rod (2) on valve body (1), the top of control valve rod (2) is equipped with control handle (3), its characterized in that: the control handle (3) lower extreme is equipped with positioning disk (4), positioning disk (4) are connected with control handle (3), first locating hole (5) have been seted up on positioning disk (4), first locating hole (5) are provided with the several, and around equidistant distribution of positioning disk (4), positioning disk (4) lower extreme is equipped with locating piece (6) rather than corresponding, second locating hole (7) that correspond with first locating hole (5) have been seted up on locating piece (6), and locating piece (6) are connected with valve body (1), locating piece (6) lower extreme is equipped with locating pin (8) that correspond with second locating hole (7), locating pin (8) slide along second locating hole (7), control valve rod (2) one side is equipped with tool to lock (9), tool to lock (9) are connected with valve body (1), be equipped with tapered end (10) on tool to lock (9), set up on locating pin (8) and locked groove (11) that correspond with tapered end (10).

2. A valve with locking mechanism as claimed in claim 1, wherein: the control valve rod is characterized in that a rectangular fixed block (12) is arranged at the upper end of the control valve rod (2), a rectangular fixed groove (13) corresponding to the rectangular fixed block (12) is formed in the control handle (3), an extension column (14) is fixedly connected to the lower end of the control handle (3), the positioning disk (4) is fixedly connected with the lower end of the extension column (14), and valve rod holes (15) corresponding to the control valve rod (2) are formed in the extension column (14) and the positioning disk (4).

3. A valve with locking mechanism as claimed in claim 2, wherein: the novel valve is characterized in that a fixing bolt (16) is arranged in the rectangular fixing groove (13), the fixing bolt (16) comprises a screw rod (17) and a screw cap (18), a screw groove (19) corresponding to the screw rod (17) is formed in the control valve rod (2) and the rectangular fixing block (12), and a cap groove (20) corresponding to the screw cap (18) is formed in the upper end of the rectangular fixing groove (13).

4. A valve with locking mechanism as claimed in claim 1, wherein: the valve is characterized in that the valve body (1) is provided with an extension column (21) at the control valve rod (2), the positioning block (6) is fixedly connected with the extension column (21), one end of the extension column (21) is provided with a pin box (22), the positioning pin (8) is slidably connected in the pin box (22), and a spring (23) is arranged between the positioning pin (8) and the bottom wall of the pin box (22).

5. A valve with locking mechanism as claimed in claim 4, wherein: the locating pin (8) lower extreme fixed connection is equipped with stopper (24), sliding chamber (25) that correspond with stopper (24) have been seted up in round pin box (22), pin outlet (26) that correspond with locating pin (8) have been seted up on round pin box (22).

6. A valve with locking mechanism as claimed in claim 5, wherein: the extension column (21) is provided with a rotating groove (27), a rotating ring (28) is arranged in the rotating groove (27), a cover plate (29) corresponding to the pin outlet (26) is arranged on the rotating ring (28), and the cover plate (29) is fixedly connected with the rotating ring (28).

7. A valve with locking mechanism as claimed in claim 1, wherein: the lock (9) comprises a lock shell (30), a pin inlet (31) corresponding to the positioning pin (8) is formed in the lock shell (30), the lock head (10) is located above the pin inlet (31), and a contact cambered surface (32) corresponding to the extension column (14) is arranged on the lock shell (30).

8. A valve with locking mechanism as claimed in claim 7, wherein: a key hole (33) is formed in the lock shell (30), a lock cylinder (34) is arranged in the key hole (33), the lock cylinder (34) is matched with the lock head (10), and a dust-proof plate (35) is hinged to the key hole (33).

9. A valve with locking mechanism as claimed in claim 7, wherein: the lower end of the lock shell (30) is provided with a fixed seat (36), the fixed seat (36) is provided with a connecting hole (37), and the valve body (1) is provided with a connecting groove (38) corresponding to the connecting hole (37).

10. A valve with locking mechanism as claimed in claim 5, wherein: one end of the positioning pin (8) is fixedly connected with a control block (39), a sliding opening (40) corresponding to the control block (39) is formed in the pin box (22), the sliding opening (40) is communicated with the sliding cavity (25), and the control block (39) is in sliding connection with the sliding opening (40).