CN210566607U

CN210566607U - Fixed forged steel ball valve capable of preventing mistaken opening

Info

Publication number: CN210566607U
Application number: CN201920823893.8U
Authority: CN
Inventors: 陆春琪; 吕先君; 邱孝正
Original assignee: Suzhou Lete Valve Co ltd
Current assignee: Suzhou Lete Valve Co ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-05-19
Anticipated expiration: 2029-06-03

Abstract

The utility model discloses a prevent fixed forged steel ball valve of mistake opening, including the ball valve main part, the rotation handle on the valve post top is installed with rotating to the valve post of fixed connection in ball valve main part upper end, the top fixedly connected with sleeve of valve post, the sleeve is seted up flutedly with the junction of valve post, set up the arc wall with the recess intercommunication in the telescopic wall, first mounting groove and second mounting groove with the arc wall intercommunication are seted up to telescopic inner wall, and first mounting groove and second mounting groove are with sleeve centre of a circle symmetry, the inner chamber of first mounting groove and second mounting groove rotates respectively and installs first gear and second gear, the inner chamber slidable mounting of arc wall has first cowl and the second cowl who matches respectively with first gear and second gear. The utility model discloses prevent that others from not knowing the condition and rotating the rotation handle, perhaps prevent others from inadvertently hitting and make the rotation handle rotate after rotating the handle, avoided the mistake to open the ball valve and caused fluidic waste.

Description

Fixed forged steel ball valve capable of preventing mistaken opening

Technical Field

The utility model relates to a forged steel ball valve specifically is a fixed forged steel ball valve of preventing open by mistake.

Background

Ball valves, defined in standard GB/T21465-2008 "valve nomenclature", are valves in which the closure member (ball) is driven by the valve stem and rotates about the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels. The valve of this type should be generally installed horizontally in the pipeline. Ball valve classification: pneumatic ball valves, electric ball valves, manual ball valves.

At present, when a fixed forged steel ball valve is used and workers go to handle the fixed forged steel ball valve in some cases, some people do not notice to bump into a handle or do not know the condition to rotate the handle, the fixed forged steel ball valve can be opened, and fluid in the pipe can flow out to cause waste. Therefore, we improve the problem and provide a fixed forged steel ball valve which is prevented from being opened by mistake.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a fixed forged steel ball valve of preventing mistake division, including ball valve main part, the valve post of fixed connection in the upper end of ball valve main part and rotate the handle of rotation installation at the valve post top, the top of valve post is fixedly connected with the sleeve, the sleeve is seted up flutedly with the junction of valve post, set up the arc wall with recess intercommunication in the sleeve wall, the inner wall of sleeve is seted up first mounting groove and second mounting groove with the arc wall intercommunication, and first mounting groove and second mounting groove are symmetrical with the sleeve centre of a circle, the inner chamber of first mounting groove and second mounting groove rotates respectively and installs first gear and second gear, the inner chamber sliding mounting of arc wall has first cowl and the second cowl that matches respectively with first gear and second gear, the both sides of sleeve top rotate respectively and install first rotatory handle and second rotatory handle, the first rotating handle and the second rotating handle are fixedly connected with rotating shafts of the first gear and the second gear respectively.

As a preferred technical scheme of the utility model, the top of first rotatory handle is rotated through the bearing and is connected with the axis of rotation, the outer wall of axis of rotation is rotated through the pivot and is connected with the arc, the middle part fixedly connected with dwang of arc, the one end fixedly connected with fixed plate of dwang, the rectangular hole has been seted up on the fixed plate.

As a preferred technical scheme of the utility model, the top fixedly connected with backup pad of the rotatory handle of second, one side of backup pad is rotated and is connected with the telescopic link, the one end fixedly connected with fixed block of telescopic link, the fixed block matches with the rectangular hole.

As a preferred technical scheme of the utility model, the draw-in groove has all been seted up with one side of first cowl and second cowl, two the draw-in groove matches the joint with the rotation handle respectively.

As a preferred technical scheme of the utility model, first cowl's arc inner wall is equipped with the first straight-tooth with first gear engagement, second cowl's arc inner wall is equipped with the second straight-tooth with second gear engagement.

As an optimal technical scheme of the utility model, the top fixedly connected with spacing ring of valve post, a plurality of spacing groove that the equidistance set up is seted up on the top of spacing ring.

The utility model has the advantages that:

1. this kind of prevent fixed forged steel ball valve of mistake opening, through first cowl, the draw-in groove, mutually supporting of first gear and second gear etc. is used, can be through making first gear and second gear revolve, first gear and second gear respectively with first straight-tooth and the meshing of second straight-tooth, make first cowl and second cowl move at the inner chamber of arc wall, two draw-in grooves block the handle that rotates, prevent that others from not knowing the condition and rotate the handle, perhaps prevent that others from not paying attention to and make the rotation handle rotate after hitting the rotation handle, avoided the mistake to open the ball valve and caused fluidic waste.

2. This kind of prevent fixed forged steel ball valve of mistake opening, through dwang, the rectangular hole, mutually supporting use such as fixed block and spacing ring, can manually stimulate the fixed block, extend under the effect of telescopic link, make the fixed block wear from the inner chamber in rectangular hole, and rotate the fixed block, make the fixed block perpendicular with the rectangular hole, make first rotatory handle die with the rotatory handle lock of second, prevented that first rotatory handle and the rotatory handle of second from rotating under the exogenic action, play fine limiting displacement.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a fixed forged steel ball valve for preventing false opening of the present invention;

FIG. 2 is a schematic structural view of the fixed forged steel ball valve of the present invention at A in FIG. 1;

FIG. 3 is a cross-sectional view of the sleeve structure of a fixed forged steel ball valve for preventing false opening of the present invention;

FIG. 4 is a schematic structural view of a first arc-shaped baffle and a second arc-shaped baffle of a fixed forged steel ball valve for preventing false opening of the utility model;

fig. 5 is a schematic structural view of the first arc baffle of the fixed forged steel ball valve for preventing the false opening of the utility model.

In the figure: 1. a ball valve body; 2. a spool; 3. a groove; 4. rotating the handle; 5. a sleeve; 6. a first rotating handle; 7. a rotating shaft; 8. an arc-shaped plate; 9. rotating the rod; 10. a fixing plate; 11. a rectangular hole; 12. a second rotating handle; 13. a support plate; 14. a telescopic rod; 15. a fixed block; 16. a first mounting groove; 17. a first gear; 18. a first arced barrier; 19. a first straight tooth; 20. an arc-shaped slot; 21. a second arc baffle; 22. a second straight tooth; 23. a second gear; 24. a second mounting groove; 25. a card slot; 26. a limit ring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1, 2, 3 and 4, the utility model relates to a fixed forged steel ball valve capable of preventing from being opened by mistake, which comprises a ball valve main body 1, a valve post 2 fixedly connected to the upper end of the ball valve main body 1 and a rotating handle 4 rotatably installed at the top end of the valve post 2, wherein the top end of the valve post 2 is fixedly connected with a sleeve 5, a groove 3 is arranged at the joint of the sleeve 5 and the valve post 2, an arc-shaped groove 20 communicated with the groove 3 is arranged in the wall of the sleeve 5, a first installation groove 16 and a second installation groove 24 communicated with the arc-shaped groove 20 are arranged on the inner wall of the sleeve 5, the first installation groove 16 and the second installation groove 24 are symmetrical with the center of the sleeve 5, a first gear 17 and a second gear 23 are respectively rotatably installed in the inner cavities of the first installation groove 16 and the second installation groove 24, a first arc-shaped baffle 18 and a second arc-shaped baffle 21 respectively matched with the first gear 17 and the second, the two sides of the top end of the sleeve 5 are respectively and rotatably provided with a first rotating handle 6 and a second rotating handle 12, and the first rotating handle 6 and the second rotating handle 12 are respectively and fixedly connected with the rotating shafts of the first gear 17 and the second gear 23.

Wherein, the top of first twist grip 6 is rotated through the bearing and is connected with axis of rotation 7, the outer wall of axis of rotation 7 is rotated through the pivot and is connected with arc 8, be convenient for the middle part fixedly connected with dwang 9 of arc 8, the one end fixedly connected with fixed plate 10 of dwang 9, rectangular hole 11 has been seted up on the fixed plate 10, can make dwang 9 lift up, be convenient for make dwang 9 rotate the one side that is close to fixed block 15 with regard to nearly principle, can make dwang 9 use axis of rotation 7 to rotate as the axle, let fixed plate 10 rotate and be close to second twist grip 12.

Wherein, the top fixedly connected with backup pad 13 of the rotatory handle 12 of second, one side of backup pad 13 is rotated and is connected with telescopic link 14, the one end fixedly connected with fixed block 15 of telescopic link 14, fixed block 15 matches with rectangular hole 11, can pass through the rotation dwang 9 of rotating, makes fixed block 15 wear from the inner chamber of rectangular hole 11 to manually rotate fixed block 15, make fixed block 15 perpendicular with rectangular hole 11, place fixed block 15 and come out from rectangular hole 11 inner chamber.

Wherein, draw-in groove 25 has all been seted up with one side of first cowl 18 and second cowl 21, and two draw-in grooves 25 match the joint with rotation handle 4 respectively, and two draw-in grooves 25 are convenient for die rotation handle 4 card, prevent to rotate handle 4 and rotate.

Wherein, the arc inner wall of first cowl 18 is equipped with the first straight tooth 19 with first gear 17 meshing, and the arc inner wall of second cowl 21 is equipped with the second straight tooth 22 with second gear 23 meshing, and first gear 17 meshes with first straight tooth 19 when rotating for first cowl 18 moves, and second gear 23 meshes with second straight tooth 22 when rotating, makes second cowl 21 move.

Wherein, the top fixedly connected with spacing ring 26 of valve post 2, a plurality of spacing groove that the equidistance set up is seted up on the top of spacing ring 26, and dwang 9 lifts up earlier, rotates to the position back that matches with fixed block 15, and dwang 9 rotates downwards through the pivot for dwang 9 prevents that dwang 9 from rotating with one of them spacing groove joint.

When the ball valve works, the second rotating handle 12 is manually rotated, the second rotating handle 12 drives the second gear 23 to rotate, the second gear 23 is meshed with the second straight tooth 22, so that one end of the clamping groove 25 on the second arc-shaped baffle plate 21 moves to one side, close to the second gear 23, of the groove 3, the fixing block 15 rotates to the left side of the supporting plate 13, the rotating handle 4 is manually rotated, the clamping groove 25 on the second arc-shaped baffle plate 21 is clamped with the rotating handle 4, the ball valve main body 1 is in a closed state, then the first rotating handle 6 is manually rotated, the first rotating handle 6 drives the first gear 17 to rotate, the first gear 17 is meshed with the first straight tooth 19, so that the first arc-shaped baffle plate 18 moves towards the outer side of the arc-shaped groove 20 until the clamping groove 25 on the first arc-shaped baffle plate 18 is clamped with the rotating handle 4, the rotating rod 9 is manually lifted, and after the rotating rod rotates to the position matched with the fixing block 15, the, make dwang 9 and one of them spacing groove joint, prevent that dwang 9 from rotating, manual promotion fixed block 15, the extension of telescopic link 14, make fixed block 15 wear through from 11 inner chambers of rectangular hole, rotate fixed block 15, make fixed block 15 perpendicular with rectangular hole 11, will rotate handle 4 lock, it rotates handle 4 to prevent that others from not knowing the condition, or prevent that others from inadvertently hitting to rotate handle 4 after rotating handle 4 and rotate, avoided the mistake to open the ball valve and caused fluidic waste.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The fixed forged steel ball valve capable of preventing mistaken opening comprises a ball valve main body (1), a valve post (2) fixedly connected to the upper end of the ball valve main body (1) and a rotating handle (4) rotatably installed at the top end of the valve post (2), and is characterized in that a sleeve (5) is fixedly connected to the top end of the valve post (2), a groove (3) is formed in the joint of the sleeve (5) and the valve post (2), an arc-shaped groove (20) communicated with the groove (3) is formed in the wall of the sleeve (5), a first mounting groove (16) and a second mounting groove (24) communicated with the arc-shaped groove (20) are formed in the inner wall of the sleeve (5), the first mounting groove (16) and the second mounting groove (24) are symmetrical with the center of the sleeve (5), a first gear (17) and a second gear (23) are rotatably installed in the inner cavities of the first mounting groove (16) and the second mounting groove (24) respectively, inner chamber slidable mounting of arc wall (20) has first cowl (18) and second cowl (21) that match respectively with first gear (17) and second gear (23), the both sides on sleeve (5) top are rotated respectively and are installed first rotatory handle (6) and the rotatory handle of second (12), first rotatory handle (6) and the rotatory handle of second (12) respectively with the pivot fixed connection of first gear (17) and second gear (23).

2. The fixed forged steel ball valve capable of preventing false opening according to claim 1, wherein the top end of the first rotating handle (6) is rotatably connected with a rotating shaft (7) through a bearing, the outer wall of the rotating shaft (7) is rotatably connected with an arc-shaped plate (8) through a rotating shaft, the middle part of the arc-shaped plate (8) is fixedly connected with a rotating rod (9), one end of the rotating rod (9) is fixedly connected with a fixed plate (10), and a rectangular hole (11) is formed in the fixed plate (10).

3. The fixed forged steel ball valve capable of preventing false opening according to claim 2, wherein a supporting plate (13) is fixedly connected to the top end of the second rotating handle (12), a telescopic rod (14) is rotatably connected to one side of the supporting plate (13), a fixed block (15) is fixedly connected to one end of the telescopic rod (14), and the fixed block (15) is matched with the rectangular hole (11).

4. The fixed forged steel ball valve capable of preventing false opening according to claim 1, wherein the first arc-shaped baffle (18) and the second arc-shaped baffle (21) are provided with clamping grooves (25) at the same side, and the two clamping grooves (25) are respectively matched and clamped with the rotating handle (4).

5. A fixed forged steel ball valve for preventing false opening according to claim 1, wherein the inner arc wall of the first arc baffle (18) is provided with a first straight tooth (19) engaged with the first gear (17), and the inner arc wall of the second arc baffle (21) is provided with a second straight tooth (22) engaged with the second gear (23).

6. The fixed forged steel ball valve for preventing false opening according to claim 1, wherein a limiting ring (26) is fixedly connected to the top end of the valve stem (2), and a plurality of limiting grooves are formed in the top end of the limiting ring (26) at equal intervals.