CN220037506U

CN220037506U - Ball valve capable of preventing from being opened by mistake

Info

Publication number: CN220037506U
Application number: CN202321163433.XU
Authority: CN
Inventors: 李阳; 张桂钰
Original assignee: Vof Valve Manufacturing Co ltd
Current assignee: Vof Valve Manufacturing Co ltd
Priority date: 2023-05-15
Filing date: 2023-05-15
Publication date: 2023-11-17
Anticipated expiration: 2033-05-15

Abstract

The utility model belongs to the technical field of ball valve equipment, in particular to a ball valve capable of preventing false opening, which comprises a valve body, wherein a valve seat is fixedly arranged at the top of the valve body, a valve rod is arranged in the valve seat, the valve rod is rotationally connected with the valve seat, a handle is arranged above the valve rod, and a screwing mechanism is arranged between the handle and the valve rod; the valve body top fixed mounting has the control box, and the control box is located the disk seat right-hand, and control box top inner wall rotates installs first threaded rod, is provided with elevating system on the first threaded rod, and the slide hole has been seted up at control box top, and the pivot is installed in the rotation of control box right side inner wall. The utility model has reasonable design, the screw barrel can enter the barrel hole on the handle through the sliding hole by arranging the rocker mechanism and the lifting mechanism, the aim of fixing the handle and not rotating can be fulfilled, and the aim of fully fixing the handle and preventing the ball valve from being opened by mistake can be fulfilled by arranging the limiting mechanism.

Description

Ball valve capable of preventing from being opened by mistake

Technical Field

The utility model relates to the technical field of ball valve equipment, in particular to a ball valve capable of preventing from being opened by mistake.

Background

The ball valve is one of common valves, and its closing part is one ball rotated by 90 deg. around the central line of the valve body to reach the opening and closing. The main function of the ball valve in the pipeline is to cut off, adjust the flow of the medium or change the flow direction of the medium.

At present, a ball valve for preventing false opening of Chinese patent publication No. CN212251425U comprises an executing handle, a valve body, a valve seat, a ball body and a valve rod, wherein a mounting groove is formed in the valve body, and a locking member is arranged in the mounting groove; the locking component comprises a shell, a locking push rod, a first compression spring, a second compression spring and a sealing cover, wherein the locking push rod is provided with a locking head, and the shell is provided with a locking opening for the locking head to extend out; a first compression cavity and a second compression cavity are formed in the shell, a first compression surface and a second compression surface are arranged on the locking push rod, the elastic acting force of the first compression spring is larger than that of the second compression spring, an air guide main channel is formed in the shell, an air guide channel is formed in the valve body, and an air guide branch channel is formed in the locking push rod. The utility model has the following advantages and effects: the locking component is arranged to play a role in safety, so that the situation of false opening is prevented.

In actual use, the internal structure is found to be complex, the operation is complicated, if the valve body is damaged after long-term use, the whole valve body needs to be replaced, and the problem that the maintenance cost is high and the valve body is not easy to popularize and use exists, so that a ball valve capable of preventing the valve body from being opened by mistake is provided for solving the problem.

Disclosure of Invention

The utility model aims to solve the defects that the prior art has a complex internal structure and complex operation, and the whole valve body needs to be replaced if the valve body is damaged after long-term use, and the maintenance cost is high and the valve body is not easy to popularize and use.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a prevent ball valve of mistake opening, includes the valve body, valve body top fixed mounting has the disk seat, is provided with the valve rod in the disk seat, and the valve rod is connected with the disk seat rotation, is provided with the handle above the valve rod, is provided with screw-down mechanism between handle and the valve rod; the valve body top fixed mounting has the control box, and the control box is located the disk seat right-hand, and control box top inner wall rotates installs first threaded rod, is provided with elevating system on the first threaded rod, and the slide hole has been seted up at the control box top, and the pivot is installed in the rotation of control box right side inner wall, is provided with tooth moving mechanism between pivot and the first threaded rod, and the pivot right-hand member extends to the control box outside, is provided with rocker mechanism in the pivot, is provided with the case in the valve body, case and valve rod looks adaptation.

Preferably, the screwing mechanism comprises a bolt and a screw hole, screw holes are formed in the top of the valve rod and the handle, and the bolt is installed in the screw hole in a threaded mode.

Preferably, the lifting mechanism comprises a screw cylinder and a stop block, the screw cylinder is sleeved on the first threaded rod in a threaded mode, the screw cylinder is in sliding connection with the sliding hole, the stop block is fixedly arranged on the right side of the screw cylinder, and a sliding mechanism is arranged between the stop block and the control box.

Preferably, a cylinder hole is formed in the handle, the cylinder hole is formed in the right side of the screw hole, and the screw cylinder is matched with the cylinder hole.

Preferably, the sliding mechanism comprises a sliding block and a sliding groove, the sliding block is arranged on the right side of the stop block, the sliding groove is formed in the inner wall of the left side of the control box, and the sliding block is in sliding connection with the sliding groove.

Preferably, the gear mechanism comprises a main cone pulley and an auxiliary cone pulley, the main cone pulley is fixedly arranged at the left end of the rotating shaft, the auxiliary cone pulley is fixedly arranged on the first threaded rod, the auxiliary cone pulley is positioned below the screw cylinder, and the main cone pulley is meshed with the auxiliary cone pulley.

Preferably, the rocker mechanism comprises a rotating plate, a second threaded rod and a rotating button, wherein the rotating plate is fixedly arranged at the right end of the rotating shaft, the second threaded rod is arranged on the rotating plate in a threaded manner, the rotating button is arranged at the right end of the second threaded rod, and a limiting mechanism is arranged on the second threaded rod.

Preferably, the limiting mechanism comprises a top block and a top pad, the top block is fixedly arranged at the left end of the second threaded rod, the top pad is arranged on the top block, and the top pad is matched with the control box.

The utility model has the beneficial effects that:

1. the handle can be fixedly arranged at the top end of the valve rod through the cooperation of the bolt, the screw hole and the handle, and the purpose of blocking and communicating fluid in the valve body can be realized through the cooperation of the handle, the valve rod and the valve core;

2. through the cooperation of the rotary button, the second threaded rod and the rotary plate, the first threaded rod can be driven to rotate through the cooperation of the rotary plate, the rotary shaft, the main cone pulley and the auxiliary cone pulley, the screw barrel can be moved up and down through the cooperation of the first threaded rod and the screw barrel, the purpose of fixing the handle by the screw barrel can be realized through the cooperation of the screw barrel, the sliding hole and the barrel hole, and the purpose of preventing the ball valve from being opened by mistake can be realized;

3. when accessories are worn or damaged and need to be replaced after long-term use, only the accessories in the control box need to be replaced, and the purposes of saving maintenance cost and facilitating popularization and use can be achieved.

Drawings

FIG. 1 is a schematic perspective view of a ball valve for preventing false opening according to the present utility model;

FIG. 2 is a schematic diagram of a front sectional structure of a ball valve for preventing false opening according to the present utility model;

fig. 3 is a schematic diagram of a part a structure of a ball valve for preventing false opening according to the present utility model.

In the figure: 1. a valve body; 2. a valve seat; 3. a valve stem; 4. a handle; 5. a bolt; 6. a screw hole; 7. a control box; 8. a first threaded rod; 9. a rotating shaft; 10. a main cone pulley; 11. an auxiliary cone pulley; 12. a screw cylinder; 13. a rotating plate; 14. a second threaded rod; 15. a rotary knob; 16. a top block; 17. a top pad; 18. a stop block; 19. a slide block; 20. a chute; 21. a valve core; 22. and (5) a cylindrical hole.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present, the term "disposed" indicating a manner of presence and may be connected, mounted, fixedly connected, operatively connected, or the like. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, a ball valve for preventing false opening comprises a valve body 1, wherein a valve seat 2 is fixedly arranged at the top of the valve body 1, a valve rod 3 is arranged in the valve seat 2, the valve rod 3 is rotationally connected with the valve seat 2, a handle 4 is arranged above the valve rod 3, and a screwing mechanism is arranged between the handle 4 and the valve rod 3; the valve body 1 top fixed mounting has control box 7, control box 7 is located disk seat 2 right-hand, control box 7 top inner wall rotates installs first threaded rod 8, be provided with elevating system on the first threaded rod 8, the slide opening has been seted up at control box 7 top, pivot 9 is installed in the rotation of control box 7 right side inner wall, be provided with tooth moving mechanism between pivot 9 and the first threaded rod 8, pivot 9 right-hand member extends to the control box 7 outside, be provided with rocker mechanism in the pivot 9, be provided with case 21 in the valve body 1, case 21 and valve rod 3 looks adaptation.

In this embodiment, screw mechanism includes bolt 5 and screw 6, has all seted up screw 6 on valve rod 3 top and the handle 4, and bolt 5 screw thread installation is in screw 6 for handle 4 can install on the valve rod 3 through being provided with screw mechanism, can realize that handle 4 can drive valve rod 3 pivoted purpose.

In this embodiment, elevating system includes a spiral shell section of thick bamboo 12 and dog 18, and the thread bush is equipped with a spiral shell section of thick bamboo 12 on the first threaded rod 8, and spiral shell section of thick bamboo 12 and slide hole sliding connection, spiral shell section of thick bamboo 12 right side fixed mounting has dog 18, is provided with slide mechanism between dog 18 and the control box 7 for through being provided with elevating system, make a spiral shell section of thick bamboo 8 can drive spiral shell section of thick bamboo 12 and reciprocate, can realize that spiral shell section of thick bamboo 12 can pass in and out the mesh of section of thick bamboo hole 22.

In this embodiment, the handle is provided with the barrel hole 22, the barrel hole 22 is located on the right side of the screw hole 6, the screw barrel 12 is matched with the barrel hole 22, and the screw barrel 12 can enter and exit the barrel hole 22 through being provided with the barrel hole 22, so that the purpose that the screw barrel 12 fixes the handle 4 can be achieved.

In this embodiment, the sliding mechanism includes a sliding block 19 and a sliding groove 20, the right side of the block 18 is provided with the sliding block 19, the left side inner wall of the control box 7 is provided with the sliding groove 20, the sliding block 19 is slidably connected with the sliding groove 20, and the sliding mechanism is provided to enable the screw barrel 12 to stably move up and down in the control box 7, so that the screw barrel 12 can not be separated from the sliding hole on the control box 7.

In this embodiment, the gear mechanism includes a main cone pulley 10 and an auxiliary cone pulley 11, the left end of the rotating shaft 9 is fixedly provided with the main cone pulley 10, the auxiliary cone pulley 11 is fixedly installed on the first threaded rod 8, the auxiliary cone pulley 11 is located below the screw barrel 12, the main cone pulley 10 is meshed with the auxiliary cone pulley 11, and the rotating shaft 9 can drive the first threaded rod 8 to rotate through being provided with the gear mechanism.

In this embodiment, rocker mechanism includes swivel plate 13, second threaded rod 14 and turn button 15, and swivel plate 13 is fixed firmly to pivot 9 right-hand member, and the screw thread is installed second threaded rod 14 on the swivel plate 13, and second threaded rod 14 right-hand member is provided with turn button 15, is provided with stop gear on the second threaded rod 14 for through being provided with rocker mechanism, make to rotate second threaded rod 14 can drive pivot 9 and rotate, can realize driving main cone pulley 10 and vice cone pulley 11 and carry out pivoted purpose.

In this embodiment, stop gear includes kicking block 16 and top pad 17, and second threaded rod 14 left end fixed mounting has kicking block 16, is provided with top pad 17 on the kicking block 16, and top pad 17 and control box 7 looks adaptation are through being provided with stop gear for top pad 17 can carry out the contact extrusion with control box 7, can realize carrying out fixed purpose to rotating plate 13.

According to the utility model, when the valve core 21 needs to be fixed, the second threaded rod 14 is manually held to rotate clockwise, the rotating plate 13 can be driven to rotate, the rotating shaft 9 can be driven to rotate, the main cone pulley 10 and the auxiliary cone pulley 11 can be driven to rotate, the first threaded rod 8 can be driven to rotate clockwise, the threaded cylinder 12 can be driven to move upwards, the purpose that the threaded cylinder 12 enters into the cylinder hole 22 on the handle 4 through the sliding hole and cannot rotate the handle 4 can be realized, the rotating knob 15 on the second threaded rod 14 is manually rotated anticlockwise, the second threaded rod 14 can be driven to rotate, the top block 16 and the top pad 17 can be driven to move leftwards, the top pad 17 and the right side of the control box 7 can be extruded, the rotating plate 13 can be fixed and cannot rotate, the threaded cylinder 12 cannot move up and down, the threaded cylinder 12 cannot be separated from the cylinder hole 22 can be realized, the handle 4 can be fully fixed, the purpose that the valve rod 21 cannot be driven to be replaced by the impact of the valve rod 3 can be prevented, and the purpose that the valve core is prevented from being damaged by the valve core is replaced by mistake, and the valve core is replaced when the valve core is required to be replaced, and the valve core is replaced by a long-time, and the purpose is convenient to be realized.

The ball valve for preventing the false opening provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. The utility model provides a prevent ball valve of mistake opening, its characterized in that includes valve body (1), valve body (1) top fixed mounting has disk seat (2), be provided with valve rod (3) in disk seat (2), valve rod (3) are connected with disk seat (2) rotation, valve rod (3) top is provided with handle (4), be provided with screw-on mechanism between handle (4) and valve rod (3);

the valve is characterized in that a control box (7) is fixedly arranged at the top of the valve body (1), the control box (7) is positioned on the right side of the valve seat (2), a first threaded rod (8) is rotatably arranged on the inner wall of the top of the control box (7), a lifting mechanism is arranged on the first threaded rod (8), a sliding hole is formed in the top of the control box (7), a rotating shaft (9) is rotatably arranged on the inner wall of the right side of the control box (7), a tooth-moving mechanism is arranged between the rotating shaft (9) and the first threaded rod (8), the right end of the rotating shaft (9) extends to the outer side of the control box (7), a rocker mechanism is arranged on the rotating shaft (9), and a valve core (21) is arranged in the valve body (1), and the valve core (21) is matched with the valve rod (3).

2. The ball valve for preventing false opening according to claim 1, wherein the tightening mechanism comprises a bolt (5) and a screw hole (6), the screw hole (6) is formed in the top of the valve rod (3) and the handle (4), and the bolt (5) is installed in the screw hole (6) in a threaded mode.

3. The ball valve for preventing false opening according to claim 1, wherein the lifting mechanism comprises a screw cylinder (12) and a stop block (18), the screw cylinder (12) is sleeved on the first threaded rod (8) in a threaded manner, the screw cylinder (12) is slidably connected with the sliding hole, the stop block (18) is fixedly mounted on the right side of the screw cylinder (12), and a sliding mechanism is arranged between the stop block (18) and the control box (7).

4. A ball valve for preventing false opening according to claim 3, wherein the handle is provided with a cylindrical hole (22), the cylindrical hole (22) is positioned on the right side of the screw hole (6), and the screw cylinder (12) is matched with the cylindrical hole (22).

5. A ball valve for preventing false opening according to claim 3, characterized in that the sliding mechanism comprises a sliding block (19) and a sliding groove (20), the sliding block (19) is arranged on the right side of the stop block (18), the sliding groove (20) is arranged on the inner wall of the left side of the control box (7), and the sliding block (19) is in sliding connection with the sliding groove (20).

6. The ball valve for preventing false opening according to claim 1, wherein the gear mechanism comprises a main cone pulley (10) and an auxiliary cone pulley (11), the main cone pulley (10) is fixedly arranged at the left end of the rotating shaft (9), the auxiliary cone pulley (11) is fixedly arranged on the first threaded rod (8), the auxiliary cone pulley (11) is positioned below the screw cylinder (12), and the main cone pulley (10) is meshed with the auxiliary cone pulley (11).

7. The ball valve for preventing false opening according to claim 1, wherein the rocker mechanism comprises a rotating plate (13), a second threaded rod (14) and a rotating button (15), the rotating plate (13) is fixedly arranged at the right end of the rotating shaft (9), the second threaded rod (14) is installed on the rotating plate (13) in a threaded mode, the rotating button (15) is arranged at the right end of the second threaded rod (14), and a limiting mechanism is arranged on the second threaded rod (14).

8. The ball valve for preventing false opening according to claim 7, wherein the limiting mechanism comprises a top block (16) and a top pad (17), the top block (16) is fixedly arranged at the left end of the second threaded rod (14), the top pad (17) is arranged on the top block (16), and the top pad (17) is matched with the control box (7).