CN215334500U

CN215334500U - Stop valve capable of preventing damage caused by over torque

Info

Publication number: CN215334500U
Application number: CN202121886483.1U
Authority: CN
Inventors: 章世博
Original assignee: Zhejiang Shengdelong Valve Co ltd
Current assignee: Zhejiang Shengdelong Valve Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2021-12-28
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a stop valve capable of preventing damage caused by over-torque, and particularly relates to the technical field of valves. According to the utility model, the screw rod is operated by the up-and-down movement of the limiting plate, when the limiting plate moves up, the limiting plate is fixed through the magnetic attraction matching between the fixed magnet and the handle, at the moment, the handle is not limited by the positioning magnet and the positioning groove, the valve body can be operated, when the limiting plate moves down, the positioning magnet on the limiting plate is embedded into the positioning groove, and the limiting plate is limited through the magnetic attraction matching between the positioning magnet and the positioning groove, so that the phenomenon that the throttle area is changed and the potential safety hazard exists due to the rotation of the handle caused by external collision or misoperation can be avoided.

Description

Stop valve capable of preventing damage caused by over torque

Technical Field

The utility model relates to the technical field of valves, in particular to a stop valve capable of preventing damage caused by over-torque.

Background

The valve plays an important role in cutting off and throttling media in a pipeline where the valve is located, and is similar to the role in connecting, closing or opening between an air conditioner outdoor unit and an air conditioner indoor unit; the stop valve is popular because of the small friction force between the sealing surfaces in the opening and closing process, the durability, the small opening height, the easy manufacture and the convenient maintenance, and is not only suitable for medium and low pressure, but also suitable for high pressure water flow.

The existing stop valve does not have a locking function in actual use, when the valve is not required to be opened, adjusted or closed, the handle can be rotated sometimes by external collision or misoperation, so that the throttle area is changed, potential safety hazards exist, and therefore the stop valve capable of preventing the damage of the over-torque is needed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides the stop valve capable of preventing the damage of the over-torque, the screw rod is operated by the up-and-down movement of the limit plate, when the limit plate moves up, the limit plate is fixed by the magnetic attraction matching between the fixed magnet and the handle, at the moment, the handle is not limited by the positioning magnet and the positioning groove, the valve body can be operated, when the limit plate moves down, the positioning magnet on the limit plate is embedded into the positioning groove, and the limit plate is limited by the magnetic attraction matching between the positioning magnet and the positioning groove, so that the potential safety hazard caused by the change of the throttle area due to the rotation of the handle caused by external collision or misoperation can be avoided, and the problems in the background technology can be solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a prevent stop valve of cross moment of torsion damage, includes the valve body, the inside partition crown plate that is equipped with of valve body, the valve body top is equipped with the regulation post, the inside movable chamber that has seted up of regulation post, the inside vertical adjusting device that is equipped with of activity chamber, it is equipped with the handle to adjust capital portion, the outside cover in handle bottom is equipped with the limiting plate, the fixed a plurality of location magnets that are equipped with in limiting plate bottom, a plurality of constant head tanks have been seted up at the regulation capital portion, inside location magnet bottom extended to the constant head tank, the fixed two telescopic links that are equipped with in limiting plate top, two telescopic links set up about handle the central axis bilateral symmetry, telescopic link top and handle top bottom fixed connection, the fixed two fixed magnets that are equipped with in limiting plate top, two fixed magnets set up about handle the central axis symmetry.

In a preferred embodiment, the longitudinal adjusting device includes a lead screw, the lead screw is disposed inside the movable cavity, the top end of the lead screw is movably connected with the top of the inner cavity of the movable cavity through a bearing, a threaded sleeve plate is connected to the outer wall of the bottom end of the lead screw in a threaded manner, a movable groove is formed in the bottom of the inner cavity of the movable cavity, the bottom end of the threaded sleeve plate penetrates through the movable groove and extends into the valve body, a first buffer block is fixedly arranged at the bottom end of the threaded sleeve plate and is in contact with the top of the separation ring plate, a second buffer block is fixedly arranged at the bottom end of the adjusting column, and the threaded sleeve plate is sleeved with the second buffer block.

In a preferred embodiment, a sealing gasket is fixedly sleeved on the outer wall of the top end of the threaded sleeve plate, and the bottom of the sealing gasket is in contact with the bottom of the cavity of the movable cavity.

In a preferred embodiment, the cross section of the movable groove and the cross section of the threaded sleeve plate are both rectangular, and the outer wall of the threaded sleeve plate is in contact with the inner wall of the movable groove.

In a preferred embodiment, the outer wall of the top end of the valve body is fixedly sleeved with a lower flange, the outer wall of the bottom end of the adjusting column is fixedly sleeved with an upper flange, and the upper flange is connected with the lower flange through a bolt.

In a preferred embodiment, the plurality of positioning slots respectively correspond to the plurality of positioning magnets in position up and down.

The utility model has the technical effects and advantages that:

according to the utility model, the screw rod is operated by the up-and-down movement of the limiting plate, when the limiting plate moves upwards, the limiting plate is fixed through the magnetic attraction matching between the fixed magnet and the handle, at the moment, the handle is not limited by the positioning magnet and the positioning groove, the valve body can be operated, when the limiting plate moves downwards, the positioning magnet on the limiting plate is embedded into the positioning groove, and the limiting plate is limited and fixed through the magnetic attraction matching between the positioning magnet and the positioning groove, so that the phenomenon that the throttle area is changed and the potential safety hazard exists due to the rotation of the handle caused by external collision or misoperation can be avoided.

Drawings

Fig. 1 is a front view of the overall structure of the present invention.

Fig. 2 is a sectional view of the overall structure of the present invention.

Fig. 3 is an enlarged view of a portion a of fig. 2 according to the present invention.

Fig. 4 is an exploded view of the conditioning column of the present invention.

Fig. 5 is a front view of the handle of the present invention.

The reference signs are: 1. a valve body; 2. a separating ring plate; 3. an adjustment column; 4. a movable cavity; 5. a handle; 6. a limiting plate; 7. positioning a magnet; 8. positioning a groove; 9. a telescopic rod; 10. fixing a magnet; 11. a screw rod; 12. a threaded bushing plate; 13. a movable groove; 14. a first buffer block; 15. a second buffer block; 16. a gasket; 17. a lower flange; 18. and an upper flange.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the attached drawings 1-5 in the specification, the stop valve for preventing the damage of the over-torque comprises a valve body 1, a separating ring plate 2 is arranged inside the valve body 1, an adjusting column 3 is arranged at the top end of the valve body 1, a movable cavity 4 is formed inside the adjusting column 3, a longitudinal adjusting device is arranged inside the movable cavity 4, a handle 5 is arranged at the top of the adjusting column 3, a limiting plate 6 is sleeved outside the bottom end of the handle 5, a plurality of positioning magnets 7 are fixedly arranged at the bottom of the limiting plate 6, a plurality of positioning grooves 8 are formed at the top of the adjusting column 3, the bottom ends of the positioning magnets 7 extend into the positioning grooves 8, two telescopic rods 9 are fixedly arranged at the top end of the limiting plate 6, the two telescopic rods 9 are arranged in bilateral symmetry with respect to the central axis of the handle 5, the top ends of the telescopic rods 9 are fixedly connected with the bottom of the top end of the handle 5, two fixed magnets 10 are fixedly arranged at the top of the limiting plate 6, two fixed magnet 10 are about the symmetrical setting around the 5 central axis of handle, during operation valve body 1, pulling limiting plate 6 makes positioning magnet 7 and constant head tank 8 separation, and make

fixed magnet

10 and 5 top bottoms of handle contact, then inhale the cooperation through the magnetism between fixed magnet 10 and the handle 5 and fix limiting plate 6, when not using, press limiting plate 6 and move down, make positioning magnet 7 on the limiting plate 6 inlay establish to constant head tank 8 inside, then inhale the cooperation through positioning magnet 7 and constant head tank 8 and carry out spacing fixed to limiting plate 6, thereby can avoid external collision or maloperation to make handle 5 rotate, lead to the throttle area change and have the potential safety hazard.

The longitudinal adjusting device comprises a screw rod 11, the screw rod 11 is arranged in the movable cavity 4, the top end of the screw rod 11 is movably connected with the top of the inner cavity of the movable cavity 4 through a bearing, the outer wall of the bottom end of the screw rod 11 is connected with a threaded sleeve plate 12 in a threaded manner, the bottom of the inner cavity of the movable cavity 4 is provided with a movable groove 13, the bottom end of the threaded sleeve plate 12 penetrates through the movable groove 13 and extends into the valve body 1, the bottom end of the threaded sleeve plate 12 is fixedly provided with a first buffer block 14, the first buffer block 14 is in contact with the top of the separating ring plate 2, the bottom end of the adjusting column 3 is fixedly provided with a second buffer block 15, the second buffer block 15 is sleeved outside the threaded sleeve plate 12, the threaded sleeve plate 12 limited by the movable groove 13 is driven to move up and down through the rotation of the screw rod 11, and the threaded sleeve plate 12 also drives the first buffer block 14 to be separated from or contacted with the separating ring plate 2 in the process of moving up and down, the interior of the valve body 1 is communicated during separation, and the interior of the valve body 1 is separated during contact.

The cross section of the movable groove 13 and the cross section of the threaded sleeve plate 12 are both set to be rectangular, the outer wall of the threaded sleeve plate 12 is in contact with the inner wall of the movable groove 13, the movable groove 13 is set to be rectangular, the threaded sleeve plate 12 can be limited, and therefore the threaded sleeve plate 12 can move linearly up and down.

The fixed flange 17 that has cup jointed of valve body 1 top outer wall, the fixed flange 18 that has cup jointed of 3 bottom outer walls of regulation post, through bolted connection between upper flange 18 and the lower flange 17, through the setting of upper flange 18 and lower flange 17, be convenient for install and dismantle valve body 1 and regulation post 3.

A plurality of constant head tanks 8 correspond from top to bottom with a plurality of positioning magnet 7's position respectively, and the setting of a plurality of constant head tanks 8 is convenient for with a plurality of positioning magnet 7 looks adaptations to through positioning magnet 7 and constant head tank 8's cooperation, be convenient for carry on spacing fixedly to limiting plate 6.

The implementation scenario is specifically as follows: a user pulls the limiting plate 6 to separate the positioning magnet 7 from the positioning groove 8, the fixed magnet 10 is contacted with the bottom of the top end of the handle 5, then the limiting plate 6 is fixed through the magnetic attraction matching between the fixed magnet 10 and the handle 5, after the fixing, the handle 5 is rotated to drive the screw rod 11 to rotate, the screw rod 11 drives the threaded sleeve plate 12 limited by the movable groove 13 to move up and down when rotating, the threaded sleeve plate 12 drives the first buffer block 14 on the threaded sleeve plate to be contacted with the separating ring plate 2 when moving down, so as to separate the inside of the valve body 1, and the threaded sleeve plate 12 drives the first buffer block 14 on the threaded sleeve plate to be separated from the separating ring plate 2 when moving up, so that the inside of the valve body 1 is communicated, and in the moving process of the threaded sleeve plate 12, through the arrangement of the first buffer block 14 and the second buffer block 15, the torque generated inside of a workpiece is buffered, so as to prolong the service life of the valve body 1, avoid the moment of torsion too big and cause the damage to valve body 1, when not using valve body 1, press limiting plate 6 and move down, make positioning magnet 7 on the limiting plate 6 inlay establish to constant head tank 8 inside, then inhale the cooperation through positioning magnet 7 and constant head tank 8 magnetism and carry out spacing fixed to limiting plate 6 to can avoid external collision or maloperation to make handle 5 rotate, lead to the throttle area change and have the potential safety hazard.

Referring to the attached fig. 2 and 4 in the specification, the stop valve for preventing damage due to over-torque in the embodiment has the advantages that the sealing gasket 16 is fixedly sleeved on the outer wall of the top end of the threaded sleeve plate 12, the bottom of the sealing gasket 16 is in contact with the bottom of the inner cavity of the movable cavity 4, the sealing performance between the movable groove 13 and the threaded sleeve plate 12 is improved through the arrangement of the sealing gasket 16, the fluid inside the valve body 1 is prevented from leaking into the movable cavity 4, and the sealing performance and the safety of the whole structure are improved.

The implementation scenario is specifically as follows: through the setting of sealed 16, improved the leakproofness between activity groove 13 and the screw sleeve board 12, avoided the inside fluid of valve body 1 to reveal to activity chamber 4 inside, improved overall structure's leakproofness and security.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. A stop valve for preventing over-torque damage comprises a valve body (1), and is characterized in that: the adjustable valve is characterized in that a separating ring plate (2) is arranged inside the valve body (1), a regulating column (3) is arranged at the top end of the valve body (1), a movable cavity (4) is formed inside the regulating column (3), a longitudinal regulating device is arranged inside the movable cavity (4), a handle (5) is arranged at the top of the regulating column (3), a limiting plate (6) is sleeved outside the bottom end of the handle (5), a plurality of positioning magnets (7) are fixedly arranged at the bottom of the limiting plate (6), a plurality of positioning grooves (8) are formed at the top of the regulating column (3), the bottom end of each positioning magnet (7) extends into the corresponding positioning groove (8), two telescopic rods (9) are fixedly arranged at the top end of the limiting plate (6), the two telescopic rods (9) are arranged in a left-right symmetrical mode relative to the central axis of the handle (5), and the top ends of the telescopic rods (9) are fixedly connected with the bottom end of the handle (5), the top of the limiting plate (6) is fixedly provided with two fixed magnets (10), and the two fixed magnets (10) are symmetrically arranged in front and back of the central axis of the handle (5).

2. A stop valve for preventing over-torque damage according to claim 1, wherein: vertical adjusting device includes lead screw (11), inside movable chamber (4) is located in lead screw (11), bearing and movable chamber (4) inner chamber top swing joint are passed through on lead screw (11) top, lead screw (11) bottom outer wall threaded connection has screw bushing board (12), movable groove (13) have been seted up to activity chamber (4) inner chamber bottom, movable groove (13) are run through and inside valve body (1) to screw bushing board (12) bottom, screw bushing board (12) bottom mounting is equipped with first buffer block (14), first buffer block (14) contact with partition crown plate (2) top, it is equipped with second buffer block (15) to adjust post (3) bottom mounting, screw bushing board (12) outside is located in second buffer block (15) cover.

3. A stop valve for preventing over-torque damage according to claim 2, wherein: the outer wall of the top end of the threaded sleeve plate (12) is fixedly sleeved with a sealing gasket (16), and the bottom of the sealing gasket (16) is in contact with the bottom of the inner cavity of the movable cavity (4).

4. A stop valve for preventing over-torque damage according to claim 2, wherein: the cross section of the movable groove (13) and the cross section of the threaded sleeve plate (12) are both rectangular, and the outer wall of the threaded sleeve plate (12) is in contact with the inner wall of the movable groove (13).

5. A stop valve for preventing over-torque damage according to claim 1, wherein: the outer wall of the top end of the valve body (1) is fixedly sleeved with a lower flange (17), the outer wall of the bottom end of the adjusting column (3) is fixedly sleeved with an upper flange (18), and the upper flange (18) is connected with the lower flange (17) through a bolt.

6. A stop valve for preventing over-torque damage according to claim 1, wherein: the positioning grooves (8) respectively correspond to the positioning magnets (7) up and down.