CN219570908U

CN219570908U - Locking valve

Info

Publication number: CN219570908U
Application number: CN202320612025.1U
Authority: CN
Inventors: 郭强
Original assignee: Zhejiang Zhonghong Engineering Equipment Co ltd
Current assignee: Zhejiang Zhonghong Engineering Equipment Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-08-22
Anticipated expiration: 2033-03-21

Abstract

The utility model relates to the technical field of valves, in particular to a locking valve, which comprises a connecting pipe main body, wherein a connecting shell is arranged on the outer side of the connecting pipe main body, a fixed shell is arranged at one end, far away from the connecting pipe main body, of the connecting shell, a rotating rod is arranged in the fixed shell, a longitudinal conical gear is arranged on the outer side of the rotating rod, a transverse conical gear is connected with the outer side of the longitudinal conical gear in a meshed mode, a driving screw rod is arranged in the transverse conical gear, a movable block is connected with the inner thread of the connecting shell, which is extended from one end, far away from the transverse conical gear, of the driving screw rod, two groups of first driving racks are arranged in the fixed shell and are positioned on the outer side of the rotating rod, a driving gear is arranged on the outer side of the first driving racks, and the first driving gear is connected with a second driving rack through the driving gear.

Description

Locking valve

Technical Field

The utility model relates to the technical field of valves, in particular to a locking valve.

Background

The valve is used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters of a conveying medium, such as: pipeline accessories such as temperature, pressure, flow and the like can be divided into a shutoff valve, a check valve, a regulating valve and the like according to the functions of the pipeline accessories, wherein the valve is a control part in a fluid conveying system and has the functions of stopping, regulating, guiding, preventing backflow, stabilizing pressure, shunting or overflow pressure relief and the like;

patent document CN204459449U discloses a pipeline valve, which comprises a valve body, a hand wheel, a base and a valve rod, wherein the valve body comprises an inlet end and an outlet end, a sealing body is arranged between the inlet end and the outlet end, a sealing gasket is arranged on the side of the sealing body, a sealing groove is arranged at the lower part of the sealing body, and a sealing protrusion matched with the sealing groove is arranged on the base; the filter screen is arranged at the inlet end, and the pipeline valve is simple in structure, good in sealing performance, easy to replace easily damaged parts and low in cost; the defects are that: the valve does not have a locking function, in an industrial production environment, when maintenance personnel need to overhaul equipment and pipelines, if the valve is subjected to misoperation by personnel, the personal safety of the maintenance personnel can be damaged, so that the improvement of the existing valve is achieved, the novel locking valve is designed to change the technical defects, and the practicability of the whole valve is improved.

Disclosure of Invention

The utility model aims to provide a locking valve, which can play a role in locking the valve when the valve is maintained, and prevent the valve from being misoperated by a person when a maintainer needs to maintain the valve and a pipeline, so as to cause injury to the personal safety of the maintainer, thereby solving the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a locking valve, includes the connecting pipe main part, the outside of connecting pipe main part is provided with the coupling shell, the one end that the connecting pipe main part was kept away from to the coupling shell is provided with the fixed shell, the inside of fixed shell is provided with the dwang, the outside of dwang is provided with vertical conical gear, the outside meshing of vertical conical gear is connected with horizontal conical gear, horizontal conical gear's inside is provided with the drive lead screw, the one end that horizontal conical gear was kept away from to the drive lead screw extends to the inside threaded connection of coupling shell has the movable block, the inside of fixed shell and the outside that is located the dwang are provided with two sets of first drive racks, the outside of first drive rack is provided with drive gear, just first drive gear is connected with the second drive rack through drive gear.

As a preferable scheme of the utility model, two groups of clamping grooves are formed in one end, close to the rotating rod, of the fixed shell, a containing groove is formed in one end, close to the clamping grooves, of the rotating rod, clamping blocks are arranged in the containing groove, compression springs are arranged in the clamping blocks extending to the containing groove, and the rotating rod is connected with the clamping grooves through the clamping blocks.

As a preferable scheme of the utility model, one end of the connecting shell, which is close to the movable block, is provided with the sliding groove, the movable block is in sliding connection with the sliding groove through the sliding block, one end of the movable block, which is far away from the driving screw rod, is extended to the inside of the connecting pipe main body, and a baffle is arranged, and the outer structure size of the baffle is designed corresponding to the inner structure size of the connecting pipe main body.

As a preferable scheme of the utility model, a limiting block is arranged at one end of the connecting shell, which is close to the transverse conical gear, a through groove is formed in the limiting block, the limiting block is rotationally connected with the driving screw rod through the through groove, a sealing ring is arranged in the through groove, and the sealing ring is made of rubber materials.

As a preferable scheme of the utility model, both ends of the rotating rod, which are close to the second driving rack, are provided with limiting grooves, one end of the second driving rack, which is close to the limiting grooves, is provided with limiting pieces, the outer structure size of each limiting piece is designed correspondingly to the inner structure size of each limiting groove, and the second driving rack is connected with each limiting groove through the corresponding limiting pieces.

As the preferable scheme of the utility model, the widths of the driving gears are larger than those of the first driving racks and the second driving racks, the first driving racks and the second driving racks are in staggered engagement connection with the driving gears, cavities are formed in the first driving racks and the second driving racks, sliding rods are connected in the cavities in a sliding manner, the first driving racks and the second driving racks are connected with the fixed shell through the sliding rods, connecting pieces are arranged on the outer sides of the first driving racks extending to the fixed shell, and rotating plates are arranged on the outer sides of the rotating rods extending to the fixed shell.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the design of the connecting shell and the fixed shell, the connecting piece is pulled to drive the first driving rack to displace, so that the driving gear can rotate, the second driving rack is driven to displace, the limiting piece can displace, the second driving rack moves out of the inner part of the limiting groove, so that the rotating rod can displace, the rotating rod is pushed to the inside of the fixed shell, the clamping blocks can displace from the inside of the clamping groove to the other group of clamping grooves, the longitudinal conical gear can be meshed with the transverse conical gear, the rotating turntable drives the rotating rod to rotate, the longitudinal conical gear can drive the transverse conical gear to rotate, so that the driving screw rod can rotate, the movable block can drive the baffle plate to displace, the inside of the connecting pipe body is closed, and when maintenance personnel need to overhaul equipment and pipelines, the valve is prevented from being mistakenly operated by personnel, and personal safety of the maintenance personnel is damaged.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view showing the internal structure of the fixing case of the present utility model;

fig. 3 is an enlarged schematic view of the structure of the present utility model a.

In the figure: 1. a connecting pipe body; 2. a connection housing; 3. a fixed case; 4. a rotating lever; 5. a longitudinal bevel gear; 6. a transverse bevel gear; 7. driving a screw rod; 8. a movable block; 9. a first drive rack; 10. a drive gear; 11. a second drive rack; 12. a clamping groove; 13. a receiving groove; 14. a clamping block; 15. a compression spring; 16. a baffle; 17. a limiting block; 18. a limit groove; 19. and a limiting piece.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

Examples

The embodiment provides a locking valve, and this equipment can play the effect of locking valve when the valve is maintained, when maintenance personal need overhaul equipment and pipeline, prevents that the valve from being by the people maloperation, causes the injury for maintenance personal's personal safety, has improved the overall security of valve.

Referring to fig. 1-3, the present utility model provides a technical solution:

the utility model provides a locking valve, including connecting pipe main part 1, connecting pipe main part 1's the outside is provided with coupling shell 2, coupling shell 2 is kept away from connecting pipe main part 1's one end is provided with fixed shell 3, fixed shell 3's inside is provided with dwang 4, dwang 4's the outside is provided with vertical conical gear 5, vertical conical gear 5's outside meshing is connected with horizontal conical gear 6, horizontal conical gear 6's inside is provided with drive lead screw 7, drive lead screw 7 is kept away from horizontal conical gear 6's one end and is extended to coupling shell 2's internal thread connection and has movable block 8, fixed shell 3's inside and be located dwang 4's outside is provided with two sets of first drive racks 9, first drive racks 9's outside is provided with drive gear 10, and first drive gear 10 is connected with second drive racks 11 through drive gear 10.

Further, referring to fig. 1-3, two sets of clamping grooves 12 are formed at one end of the fixed shell 3, which is close to the rotating rod 4, and a containing groove 13 is formed at one end of the rotating rod 4, which is close to the clamping grooves 12, a clamping block 14 is arranged in the containing groove 13, a compression spring 15 is arranged in the containing groove 13, the rotating rod 4 is connected with the clamping groove 12 through the clamping block 14, the clamping block 14 is clamped in the clamping groove 12, and the clamping block 14 is extruded through the compression spring 15, so that the clamping block 14 can be limited in the clamping groove 12, thereby limiting the rotating rod 4 and preventing the rotating rod 4 from shifting.

Referring to fig. 1-3, the rotating rod 4 extends to the outer side of the fixed shell 3 and is provided with a rotating disc, the rotating disc drives the rotating rod 4 to rotate, the longitudinal bevel gear 5 can drive the transverse bevel gear 6 to rotate, thereby the driving screw rod 7 can rotate and drive the movable block 8 to displace, the movable block 8 can drive the baffle 16 to displace, the inside of the connecting pipe main body 1 is closed, when maintenance personnel need to overhaul equipment and pipelines, the valve is prevented from being misoperation by personnel, injury is caused to personal safety of the maintenance personnel, a sliding groove is formed in one end of the connecting shell 2, which is close to the movable block 8, the movable block 8 is in sliding connection with the sliding groove through a sliding block, when the movable block 8 displaces, the movable block 8 can be limited through the sliding groove, the movable block 8 is prevented from being deviated, the dislocation is caused, the baffle 16 can not be driven to displace, one end of the movable block 8, which is far away from the driving screw rod 7, of the connecting pipe main body 1 is provided with the baffle 16, the outer structure size of the baffle 16 is designed correspondingly to the inner structure size of the connecting pipe main body 1, and the inside of the connecting pipe main body 1 can be displaced when the movable block 8 displaces, and the connecting pipe main body 16 can be conveniently closed, and the inside of the connecting pipe main body 1 can be conveniently treated.

Next, please refer to fig. 2, the one end that coupling shell 2 is close to horizontal bevel gear 6 is provided with stopper 17, logical groove has been seted up to stopper 17's inside, when drive lead screw 7 rotates, can the influence to drive lead screw 7's rotation through logical groove multi-group limit piece 17, and stopper 17 rotates with drive lead screw 7 through logical groove and is connected, the inside of logical groove is provided with the sealing washer, the sealing washer is the rubber material preparation, can increase stopper 17's leakproofness through the sealing washer, prevent that liquid from permeating to the inside of fixed shell 3 from the inside of coupling pipe main part 1, influence it.

Furthermore, referring to fig. 2, the two ends of the rotating rod 4, which are close to the second driving rack 11, are respectively provided with a limiting groove 18, one end of the second driving rack 11, which is close to the limiting groove 18, is provided with a limiting piece 19, the outer structure size of the limiting piece 19 is designed corresponding to the inner structure size of the limiting groove 18, the second driving rack 11 is connected with the limiting groove 18 through the limiting piece 19, and the connecting piece is pulled to drive the first driving rack 9 to displace, so that the driving gear 10 can rotate, and the second driving rack 11 is driven to displace, so that the limiting piece 19 can displace, and the rotating rod 4 can displace after being moved out from the inner part of the limiting groove 18.

Still further, referring to fig. 2, the widths of the driving gears 10 are larger than those of the first driving racks 9 and the second driving racks 11, the first driving racks 9 and the second driving racks 11 are engaged with the driving gears 10 in a staggered manner, when the first driving racks 9 are displaced, the first driving racks 9 and the second driving racks 11 can be prevented from contacting, so that the second driving racks 11 can not drive the limiting piece 19 to displace, the inner parts of the first driving racks 9 and the second driving racks 11 are provided with cavities, sliding rods are slidingly connected in the cavities, the first driving racks 9 and the second driving racks 11 are connected with the fixing shell 3 through the sliding rods, when the first driving racks 9 and the second driving racks 11 displace, the stability of the displacement of the first driving racks 9 and the second driving racks 11 can be increased through the sliding rods, displacement is prevented, and thus the operation is affected, and the outer sides of the first driving racks 9 extending to the fixing shell 3 are provided with connecting pieces.

In this embodiment, the implementation scenario specifically includes: when in actual use, the connecting piece is pulled to drive the first driving rack 9 to displace, the driving gear 10 can rotate, the second driving rack 11 is driven to displace, the limiting piece 19 can displace, the limiting groove 18 is moved out from the inner part, the rotating rod 4 can displace, the rotating rod 4 is pushed to the inside of the fixed shell 3, the clamping block 14 can displace from the inside of the clamping groove 12 to the clamping groove 12 of the other group, the longitudinal conical gear 5 can be meshed with the transverse conical gear 6, the rotating turntable drives the rotating rod 4 to rotate, the longitudinal conical gear 5 can drive the transverse conical gear 6 to rotate, the driving screw rod 7 can rotate, the movable block 8 is driven to displace, the movable block 8 can drive the baffle 16 to displace, the inside of the connecting pipe main body 1 is closed, when maintenance personnel needs to overhaul equipment and pipelines, the valve is prevented from being misoperation by people, the safety of the maintenance personnel is hurt, and compared with the existing valve, the valve can improve the practicality of the whole valve through design.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A locking valve comprising a connecting tube body (1), characterized in that: the outside of connecting pipe main part (1) is provided with coupling shell (2), the one end that coupling shell (2) kept away from coupling pipe main part (1) is provided with fixed shell (3), the inside of fixed shell (3) is provided with dwang (4), the outside of dwang (4) is provided with vertical bevel gear (5), the outside meshing of vertical bevel gear (5) is connected with horizontal bevel gear (6), the inside of horizontal bevel gear (6) is provided with drive lead screw (7), the one end that horizontal bevel gear (6) was kept away from to drive lead screw (7) extends to the inside threaded connection of coupling shell (2) has movable block (8), the inside of fixed shell (3) and the outside that is located dwang (4) are provided with two sets of first drive racks (9), the outside of first drive racks (9) is provided with drive gear (10), just drive gear (10) are connected with second drive racks (11) through drive gear (10).

2. A locking valve as set forth in claim 1 wherein: two sets of joint grooves (12) have been seted up to the one end that dead shell (3) is close to dwang (4), holding tank (13) have been seted up to the one end that dwang (4) is close to joint groove (12), the inside of holding tank (13) is provided with joint piece (14), the inside that joint piece (14) extend to holding tank (13) is provided with compression spring (15), dwang (4) are connected with joint groove (12) through joint piece (14).

3. A locking valve as set forth in claim 1 wherein: the utility model discloses a connecting shell, including connecting shell (2), movable block (8), connecting rod main part (1), baffle (16) are provided with in the inside that the one end that connecting shell (2) is close to movable block (8) has seted up the sliding tray, movable block (8) carry out sliding connection through slider and sliding tray, just the one end that drive lead screw (7) was kept away from to movable block (8) extends to connecting rod main part (1), the external structure size of baffle (16) is corresponding design with the internal structure size of connecting rod main part (1).

4. A locking valve as set forth in claim 1 wherein: one end that coupling shell (2) is close to horizontal bevel gear (6) is provided with stopper (17), logical groove has been seted up to the inside of stopper (17), just stopper (17) are rotated through logical groove and drive lead screw (7) and are connected, the inside of leading to the groove is provided with the sealing washer, the sealing washer is made for the rubber material.

5. A locking valve as set forth in claim 1 wherein: the two ends of the rotating rod (4) close to the second driving racks (11) are provided with limiting grooves (18), one ends of the second driving racks (11) close to the limiting grooves (18) are provided with limiting pieces (19), the outer structure size of each limiting piece (19) is designed corresponding to the inner structure size of each limiting groove (18), and the second driving racks (11) are connected with the corresponding limiting grooves (18) through the corresponding limiting pieces (19).

6. A locking valve as set forth in claim 1 wherein: the width of drive gear (10) is all greater than the width of first drive rack (9) and second drive rack (11), first drive rack (9) and second drive rack (11) are crisscross and drive gear (10) and mesh and are connected, just cavity has all been seted up to the inside of first drive rack (9) and second drive rack (11), the inside sliding connection of cavity has the slide bar, first drive rack (9) and second drive rack (11) all are connected through slide bar and fixed shell (3), just the outside that first drive rack (9) extended to fixed shell (3) is provided with the connecting piece, the outside that dwang (4) extended to fixed shell (3) is provided with the carousel.