CN213017780U - Butterfly valve with upper limit locking device - Google Patents

Abstract

The utility model relates to a butterfly valve technical field, and a butterfly valve of spacing locking device is gone up in area is disclosed, which comprises a valve body, valve clack and valve rod, the valve clack cup joints with the valve rod is fixed, the valve clack is located inside the valve body, the fixed support that is equipped with in top of valve body, the right side of support is provided with the bull stick, the fixed worm wheel that is equipped with in right side of support and the outside that is located the bull stick, the fixed board that is equipped with in left side of worm wheel, even the board cup joints with the bull stick, the inside of ring gear is provided with spacing locking mechanical system, the pole wall of bull stick and the left side that is located even board are provided with spacing slide mechanism, the left side of ring gear and the. The utility model discloses can carry out convenient and quick locking and spacing to the turned angle of valve clack according to the operation requirement of butterfly valve.

Description

Butterfly valve with upper limit locking device

Technical Field

The utility model relates to a butterfly valve technical field especially relates to a butterfly valve of spacing locking device in area.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve with a closing member which is a disc and rotates around a valve shaft to open and close.

The existing butterfly valve can only be opened, closed and closed during working, the rotation angle of the valve clack cannot be adjusted and limited according to the size of fluid passing through the inside of the butterfly valve, and meanwhile, the existing valve can be accidentally collided during working to enable the working position of the valve to deviate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the rotation angle of the valve clack of the butterfly valve in the prior art can not receive convenient and quick locking, and the butterfly valve of a spacing locking device is gone up in the area that provides.

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

the utility model provides a butterfly valve of spacing locking device in area, includes valve body, valve clack and valve rod, the valve clack cup joints with the valve rod is fixed, the valve clack is located inside the valve body, the fixed support that is equipped with in top of valve body, the right side of support is provided with the bull stick, the fixed worm wheel that is equipped with of right-hand member of bull stick, the right side of support and the fixed ring gear that is equipped with in the outside that is located the bull stick, the fixed company's board that is equipped with in left side of worm wheel, even the board cup joints with the bull stick, the inside of ring gear is provided with spacing locking mechanical system, the pole wall of bull stick and the left side that is located even board are provided with spacing slide mechanism, the left.

Preferably, spacing slide mechanism includes first sleeve pipe and second sleeve pipe, first sleeve pipe cup joints with the bull stick, and with the left side fixed connection who links the board, second sleeve pipe and bull stick cup joint, and the right-hand member is located first sleeve pipe insidely, the spout has all been seted up to first sheathed tube inner wall both sides, the sheathed tube surface both sides of second all are fixed and are equipped with the slider, the cell wall sliding connection of slider and spout.

Preferably, the limiting and locking mechanism comprises a gear and a spring, the gear is in sliding sleeve connection with the rotating rod and is meshed with the gear ring, the right side of the gear is fixedly connected with the second sleeve, the spring is in sleeve connection with the first sleeve, and two ends of the spring are fixedly connected with the gear and the connecting plate respectively.

Preferably, the rotating clamping mechanism comprises a first U-shaped block, the first U-shaped block is fixedly connected with the right side of the gear, the first U-shaped block is rotatably connected with a connecting rod through a first shaft pin, the other end of the connecting rod is rotatably connected with a second U-shaped block through a second shaft pin, and an L-shaped block is fixedly arranged on the other side of the second U-shaped block.

Preferably, the two sides of the connecting plate are both provided with clamping grooves.

Preferably, the first sleeve and the second sleeve are both square tubes.

Compared with the prior art, the utility model provides a butterfly valve of spacing locking device in area possesses following beneficial effect:

1. the butterfly valve with the upper limit locking device locks the rotation angle of the valve clack through the sliding limit mechanism, the limit locking mechanism and the gear ring which are arranged, and simultaneously prevents the working state from being collided to cause deviation.

2. This take limit locking device's butterfly valve through the rotation chucking mechanism, even board and the draw-in groove that are equipped with, when needs rotate the valve clack, separates gear and ring gear, and the turned angle of the degree valve clack of being convenient for is adjusted.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses convenient operation can carry out convenient and quick locking and spacing to the turned angle of valve clack according to the operation requirement of butterfly valve, prevents simultaneously that the valve from receiving unexpected collision at the during operation and leading to the operating position to produce the skew.

Drawings

Fig. 1 is a schematic structural view of a butterfly valve with an upper limit locking device according to the present invention;

FIG. 2 is an enlarged view of a portion B of FIG. 1;

fig. 3 is a sectional view taken along line a-a in fig. 1.

In the figure: 1. a valve body; 2. a valve flap; 3. a valve stem; 4. a support; 5. a rotating rod; 6. a worm gear; 7. a ring gear; 8. connecting plates; 9. a first sleeve; 10. a second sleeve; 11. a slider; 12. a gear; 13. a spring; 14. a first U-shaped block; 15. a connecting rod; 16. a second U-shaped block; 17. an L-shaped block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a butterfly valve with upper limit locking device, including valve body 1, valve clack 2 and valve rod 3 are fixed to be cup jointed, valve clack 2 is located inside valve body 1, the fixed support 4 that is equipped with in top of valve body 1, the right side of support 4 is provided with bull stick 5, the fixed worm wheel 6 that is equipped with of right-hand member of bull stick 5, worm wheel 6 can adjust the turned angle of valve clack 2, the fixed ring gear 7 that is equipped with in the right side of support 4 and the outside that is located bull stick 5, the fixed even board 8 that is equipped with in left side of worm wheel 6, even board 8 cup joints with bull stick 5, the inside of ring gear 7 is provided with limit locking mechanism, the pole wall of bull stick 5 and the left side that is located even board 8 are provided with limit sliding mechanism, the left.

Spacing slide mechanism includes first sleeve 9 and second sleeve 10, first sleeve 9 cup joints with bull stick 5, and with the left side fixed connection of even board 8, second sleeve 10 and bull stick 5 cup joint, and the right-hand member is located inside first sleeve 9, the spout has all been seted up to the inner wall both sides of first sleeve 9, the surface both sides of second sleeve 10 are all fixed and are equipped with slider 11, slider 11 and the cell wall sliding connection of spout, through slider 11 and spout, make second sleeve 10 only carry out lateral sliding.

The limiting locking mechanism comprises a gear 12 and a spring 13, the gear 12 is in sliding sleeve connection with the rotating rod 5 and is meshed with the gear ring 7, the right side of the gear 12 is fixedly connected with the second sleeve 10, the spring 13 is in sleeve connection with the first sleeve 9, and two ends of the spring are respectively fixedly connected with the gear 12 and the connecting plate 8.

Rotation chucking mechanism includes first U-shaped piece 14, the right side fixed connection of first U-shaped piece 14 and gear 12, and first U-shaped piece 14 rotates through first pivot and is connected with connecting rod 15, and the other end of connecting rod 15 rotates through the second pivot and is connected with second U-shaped piece 16, and the fixed L-shaped piece 17 that is equipped with of opposite side of second U-shaped piece 16, and the draw-in groove has all been seted up to the both sides of link plate 8, sets up the draw-in groove and can carry out the joint with L-shaped piece 17, and first sleeve 9 and second sleeve 10 are square pipe.

In the utility model, when the butterfly valve is used, firstly two L-shaped blocks 17 and a connecting rod 15 are pulled to cause a gear 12 to be pulled, then the gear 12 moves rightwards and extrudes a spring 13, meanwhile, the gear 12 pushes a second sleeve 10 to move rightwards, the second sleeve 10 only moves transversely in a first sleeve 9 under the limiting action of a slider 11 and a chute, when the distance between the gear 12 and a gear ring 7 moves, the two L-shaped blocks 17 and clamping grooves at two ends of a connecting plate 8 are clamped to determine the position of the gear 12, then, a worm wheel 6 is rotated to cause the connecting plate 8 to drive the gear ring 7 to rotate, when the gear ring 7 rotates, a valve clack 2 rotates through the internal structure of a valve body 1, when the rotation angle of the valve clack 2 is determined, the two L-shaped blocks 17 are separated from the clamping grooves, simultaneously, the elasticity of the spring 13 pushes the gear 12 to be meshed with the gear ring 7, thus, the positions of the rotating rod 5 and the worm wheel 6 are determined, and the rotating angle of the valve clack 2 can be locked.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A butterfly valve with an upper limit locking device comprises a valve body (1), a valve clack (2) and a valve rod (3), it is characterized in that the valve clack (2) is fixedly sleeved with the valve rod (3), the valve clack (2) is positioned in the valve body (1), a bracket (4) is fixedly arranged at the top of the valve body (1), a rotating rod (5) is arranged at the right side of the bracket (4), a worm wheel (6) is fixedly arranged at the right end of the rotating rod (5), a gear ring (7) is fixedly arranged at the right side of the bracket (4) and positioned at the outer side of the rotating rod (5), a connecting plate (8) is fixedly arranged on the left side of the worm wheel (6), the connecting plate (8) is sleeved with the rotating rod (5), a limit locking mechanism is arranged inside the gear ring (7), a limit sliding mechanism is arranged on the rod wall of the rotating rod (5) and on the left side of the connecting plate (8), and the left side of the gear ring (7) and the upper side and the lower side of the rotating rod (5) are both provided with a rotating clamping mechanism.

2. The butterfly valve with the upper limit locking device according to claim 1, wherein the limit sliding mechanism comprises a first sleeve (9) and a second sleeve (10), the first sleeve (9) is sleeved with the rotating rod (5) and fixedly connected with the left side of the connecting plate (8), the second sleeve (10) is sleeved with the rotating rod (5), the right end of the second sleeve is located inside the first sleeve (9), sliding grooves are formed in two sides of the inner wall of the first sleeve (9), sliding blocks (11) are fixedly arranged on two sides of the outer surface of the second sleeve (10), and the sliding blocks (11) are slidably connected with the groove walls of the sliding grooves.

3. The butterfly valve with the upper limit locking device according to claim 2, wherein the limit locking mechanism comprises a gear (12) and a spring (13), the gear (12) is slidably sleeved with the rotating rod (5) and is engaged with the gear ring (7), the right side of the gear (12) is fixedly connected with the second sleeve (10), the spring (13) is sleeved with the first sleeve (9), and two ends of the spring are respectively fixedly connected with the gear (12) and the connecting plate (8).

4. The butterfly valve with the upper limit locking device according to claim 3, wherein the rotating clamping mechanism comprises a first U-shaped block (14), the first U-shaped block (14) is fixedly connected with the right side of the gear (12), the first U-shaped block (14) is rotatably connected with a connecting rod (15) through a first shaft pin, the other end of the connecting rod (15) is rotatably connected with a second U-shaped block (16) through a second shaft pin, and an L-shaped block (17) is fixedly arranged on the other side of the second U-shaped block (16).

5. The butterfly valve with the upper limit locking device according to claim 4, wherein the connecting plate (8) is provided with a slot on both sides.

6. A butterfly valve with upper limit locking device according to claim 2, characterised in that said first sleeve (9) and said second sleeve (10) are both square tubes.

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