CN215371012U

CN215371012U - Butt clamp butterfly valve convenient to overhaul

Info

Publication number: CN215371012U
Application number: CN202121716591.4U
Authority: CN
Inventors: 倪伟栋; 陈超
Original assignee: Hangzhou Jingkong Instrument Equipment Co ltd
Current assignee: Hangzhou Jingkong Instrument Equipment Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2021-12-31
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses a butt clamp butterfly valve convenient to disassemble and repair, and relates to the technical field of butt clamp butterfly valves. According to the utility model, the cross-shaped supporting seat can be rapidly disassembled by detaching the four groups of first fastening screws without connecting a plurality of groups of bolts with the valve body, the connection of the worm gear head on the cross-shaped supporting seat can be more stable by the design of the cross-shaped clamping block of the cross-shaped supporting seat and the clamping of the mounting clamping seat, two groups of second fastening screws are detached one by separating the first square rotating shaft from the clamping of the second square rotating shaft, and the second rotating shaft and the second square rotating shaft are pulled out from the matched clamping groove in the butterfly plate for disassembling, repairing and replacing, so that the effects of saving time and labor and improving the working efficiency are effectively achieved.

Description

Butt clamp butterfly valve convenient to overhaul

Technical Field

The utility model relates to the technical field of butt-clamping butterfly valves, in particular to a butt-clamping butterfly valve convenient to disassemble and repair.

Background

The butterfly plate of the butt-clamping butterfly valve is arranged in the diameter direction of a pipeline, the disc-shaped butterfly plate rotates around an axis in a cylindrical channel of a valve body of the butterfly valve, the rotation angle is 0-90 degrees, when the disc-shaped butterfly plate rotates to 90 degrees, the valve is in a full-open state, the valve is generally horizontally arranged, the butt-clamping butterfly valve is simple in structure, small in size and light in weight, only comprises a few parts, can be quickly opened and closed only by rotating 90 degrees, is simple to operate, and has good fluid control characteristics, when the butterfly valve is in a fully-opened position, the thickness of the butterfly plate is the only resistance when a medium flows through the valve body, so that pressure drop generated by the valve is small, and the butterfly valve has good flow control characteristics.

Present butt clamp butterfly valve when production equipment, because need fix the butterfly plate, consequently most all can open a hole on the butterfly plate and squeeze into the pivot with the staple in, thereby reach the not hard up purpose of preventing the butterfly plate, but this kind of method causes easily that the butterfly plate damages or when ageing needs to dismantle or maintain, the staff can't be fast convenient lift the butterfly plate off, need consume a large amount of manpower and materials, influence work efficiency, probably cause whole unable use of butt clamp butterfly valve, and need multiunit bolt screw to fix mostly when the worm wheel head of installation butt clamp butterfly valve, follow-up overhaul to the staff causes very big influence.

SUMMERY OF THE UTILITY MODEL

Based on the technical problem, the utility model aims to provide the butt-clamping butterfly valve convenient to disassemble and repair so as to solve the technical problem that the existing butterfly plate is difficult to disassemble and repair.

In order to achieve the purpose, the utility model provides the following technical scheme: a butt-clamping butterfly valve convenient to disassemble and repair comprises a valve body, wherein an installation clamping seat is arranged at the top of the valve body, a cross supporting seat is movably connected at the top of the installation clamping seat, a first rotating shaft extending to the inner side of the valve body is rotatably connected at the central position of the surface of the cross supporting seat, a first square rotating shaft is fixed at the bottom of the first rotating shaft, a second square rotating shaft is sleeved on the surface of the first square rotating shaft, a clamping groove is formed in the top of the second square rotating shaft and movably connected with the first square rotating shaft, a second rotating shaft is fixed at the bottom of the second square rotating shaft and extends to the outer side of the valve body, a valve shaft seat is connected to the bottom of the valve body, second fastening screws extending to the inner part of the valve body are arranged at two ends of the bottom of the valve shaft seat, a butterfly plate is arranged at the inner side of the valve body, a matching clamping groove is formed in the butterfly plate, and the second square rotating shaft is movably connected with the butterfly plate through a matching clamping groove, and a plurality of groups of first fastening screws extending to the inside of the cross-shaped supporting seat are uniformly distributed on the surface of the mounting clamping seat.

Through adopting above-mentioned technical scheme, the worm wheel head on the cross supporting seat can be made to connect more firmly by the cross fixture block design of cross supporting seat and the looks block of installation cassette, and the square draw-in groove design of cooperation draw-in groove can closely block with the square pivot of second, and the square pivot of second can be effectual fixes the butterfly plate with the inseparable block of first square pivot.

The butterfly valve is further provided with a sealing valve seat which is arranged on the outer side of the butterfly plate on the inner side of the valve body, and the sealing valve seat is matched with the butterfly plate.

Through adopting above-mentioned technical scheme, sealed disk seat can carry on spacingly to the butterfly plate, can prevent that water from flowing out from the butterfly plate periphery.

The utility model is further arranged in such a way that a first sealing ring is arranged between the cross-shaped supporting seat and the mounting clamping seat, and the first sealing ring is made of rubber.

Through adopting above-mentioned technical scheme, first sealing washer can prevent that external liquid infiltration or intraductal liquid from stretching out, and the rubber material can effectively slow down the ageing time of first sealing washer.

The utility model is further arranged in such a way that a second sealing ring is connected between the valve shaft seat and the valve body, and a convex block arranged at the top of the valve shaft seat is clamped with the bottom of the valve body.

Through adopting above-mentioned technical scheme, the second sealing washer can prevent intraductal liquid and ooze, and the lug can play further sealed effect to the valve body.

The utility model is further provided that the top of the cross-shaped supporting seat can be connected with an external worm gear head.

Through adopting above-mentioned technical scheme, the worm wheel head can drive the pivot and rotate to control the butterfly plate and rotate.

In summary, the utility model mainly has the following beneficial effects:

1. according to the utility model, the cross-shaped supporting seat can be rapidly disassembled by detaching four groups of first fastening screws without connecting a plurality of groups of bolts with the valve body, the connection of a worm gear head on the cross-shaped supporting seat can be more stable by the design of a cross-shaped clamping block of the cross-shaped supporting seat and the clamping of the mounting clamping seat, two groups of second fastening screws are detached one by separating the first square rotating shaft from the clamping of the first square rotating shaft, and the second rotating shaft and the second square rotating shaft are pulled out from the matched clamping groove in the butterfly plate for disassembling, repairing and replacing the butterfly plate, so that the effects of saving time and labor and improving the working efficiency are effectively achieved;

2. the butterfly plate clamping device can be tightly clamped with the second square rotating shaft through the square design matched with the clamping groove, the butterfly plate can be effectively fixed through the tight clamping of the second square rotating shaft and the first square rotating shaft, the butterfly plate does not need to be drilled and fixed through a fixing nail, the practicability of the butt-clamped butterfly valve is greatly improved, the butt-clamped butterfly valve can be effectively prevented from being maliciously detached or damaged by other people through the cross clamping groove design of the first fastening screw and the second fastening screw, and a manufacturer can customize the butt-clamped butterfly valve according to needs.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a longitudinal cross-sectional view of a portion of the present invention;

FIG. 3 is a longitudinal cross-sectional view of a portion of the present invention;

fig. 4 is an exploded view of the present invention as a whole.

In the figure: 1. a valve body; 2. sealing the valve seat; 3. a butterfly plate; 4. installing a card seat; 5. a cross-shaped supporting seat; 6. a first fastening screw; 7. a valve shaft seat; 8. a first rotating shaft; 9. a first square rotating shaft; 10. a second rotating shaft; 11. a second square rotating shaft; 12. a card slot; 13. matching with the clamping groove; 14. a second fastening screw; 15. a first seal ring; 16. and a second seal ring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

A butt clamp butterfly valve convenient to disassemble and repair is disclosed, as shown in figure 1, figure 2, figure 3 and figure 4, comprising a valve body 1, wherein the top of the valve body 1 is provided with an installation clamping seat 4, the top of the installation clamping seat 4 is movably connected with a cross supporting seat 5, the cross clamping block of the cross supporting seat 5 is designed to be clamped with the installation clamping seat 4 so as to enable a worm gear head on the cross supporting seat 5 to be connected more stably, the central position of the surface of the cross supporting seat 5 is rotatably connected with a first rotating shaft 8 extending to the inner side of the valve body 1, the bottom of the first rotating shaft 8 is fixedly provided with a first square rotating shaft 9, the surface of the first square rotating shaft 9 is sleeved with a second square rotating shaft 11, the top of the second square rotating shaft 11 is provided with a clamping groove 12, the clamping groove 12 is movably connected with the first square rotating shaft 9, the bottom of the second square rotating shaft 11 is fixedly provided with a second rotating shaft 10, the second rotating shaft 10 extends to the outer side of the valve body 1, the bottom of the valve body 1 is connected with a valve shaft seat 7, both ends of valve shaft seat 7 bottom all are provided with the second fastening screw 14 that extends to the inside of valve body 1, the inboard of valve body 1 is provided with butterfly plate 3, cooperation draw-in groove 13 has been seted up to butterfly plate 3 inside, and the square pivot 11 of second is through cooperation draw-in groove 13 and butterfly plate 3 swing joint, the surface evenly distributed of installation cassette 4 is provided with the multiunit and extends to the inside first fastening screw 6 of cross supporting seat 5, the square draw-in groove design of cooperation draw-in groove 13 can closely block with the square pivot 11 of second, the square pivot 11 of second can effectually fix butterfly plate 3 with the inseparable block of first square pivot 9.

Referring to fig. 1, 2, 3 and 4, a sealing valve seat 2 is disposed on the inner side of the valve body 1 and located on the outer side of the butterfly plate 3, and the sealing valve seat 2 is matched with the butterfly plate 3, so that the sealing valve seat 2 can limit the butterfly plate 3 and prevent water from flowing out of the periphery of the butterfly plate 3.

Referring to fig. 1 and 4, a first sealing ring 15 is disposed between the cross support seat 5 and the mounting clamp seat 4, the first sealing ring 15 is made of rubber, the first sealing ring 15 can prevent external liquid from permeating into the mounting clamp seat or prevent liquid in the mounting clamp seat from extending out of the mounting clamp seat, and the rubber material can effectively slow down the aging time of the first sealing ring 15.

Referring to fig. 2 and 3, a second sealing ring 16 is connected between the valve shaft seat 7 and the valve body 1, and a protrusion is disposed on the top of the valve shaft seat 7 and engaged with the bottom of the valve body 1, the second sealing ring 16 can prevent liquid in the tube from leaking out, and the protrusion can further seal the valve body 1.

Referring to fig. 1, 2, 3 and 4, the top of the cross support base 5 can be connected to an external worm gear, and the worm gear can drive the rotation shaft to rotate, so as to control the rotation of the butterfly plate 3.

The working principle of the utility model is as follows: when the butterfly plate 3 needs to be repaired by an operator, the first fastening screws 6 are firstly dismounted one by the operator, the fixation of the cross support seat 5 is cancelled, the cross clamping groove design of the first fastening screws 6 and the second fastening screws 14 can effectively prevent other people from maliciously dismounting the clamped butterfly valve or damaging the clamped butterfly valve, a manufacturer can customize the butterfly valve by himself according to the requirement, then the cross support seat 5 is pulled out from the installation clamping seat 4, the clamping between the cross support seat 5 and the installation clamping seat 4 is cancelled, the worm gear head on the cross support seat 5 can be more stably connected by the clamping between the cross support seat 5 and the installation clamping seat 4, then the first rotating shaft 8 is pulled out from the top, so that the first square rotating shaft 9 is separated from being clamped with the clamping groove 12 in the second square rotating shaft 11, then the two groups of second fastening screws 14 are dismounted one by one, and the valve shaft seat 7 is separated from supporting the second rotating shaft 10, and finally, the second rotating shaft 10 and the second square rotating shaft 11 are drawn out from the matched clamping groove 13 in the butterfly plate 3, so that the butterfly plate 3 can be dismounted for repair and replacement, the effect of saving time and labor and improving the working efficiency is effectively achieved, and the square design of the matched clamping groove 13 is adopted. Make its and the inseparable block of the square pivot 11 of second, the inseparable block of the square pivot 11 of second and the square pivot 9 of first can be effectual fixes butterfly plate 3, need not to drill to butterfly plate 3 and squeezes into the staple fixed, has promoted the practicality to pressing from both sides the butterfly valve greatly.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. The utility model provides a butt clamp butterfly valve convenient to overhaul, includes valve body (1), its characterized in that: the top of the valve body (1) is provided with an installation clamping seat (4), the top of the installation clamping seat (4) is movably connected with a cross supporting seat (5), the central position of the surface of the cross supporting seat (5) is rotatably connected with a first rotating shaft (8) extending to the inner side of the valve body (1), the bottom of the first rotating shaft (8) is fixed with a first square rotating shaft (9), the surface of the first square rotating shaft (9) is sleeved with a second square rotating shaft (11), the top of the second square rotating shaft (11) is provided with a clamping groove (12), the clamping groove (12) is movably connected with the first square rotating shaft (9), the bottom of the second square rotating shaft (11) is fixed with a second rotating shaft seat (10), the second rotating shaft (10) extends to the outer side of the valve body (1), the bottom of the valve body (1) is connected with a shaft seat (7), and the two ends of the bottom of the valve (7) are both provided with second fastening screws (14) extending to the inner part of the valve body (1), the inboard of valve body (1) is provided with butterfly plate (3), cooperation draw-in groove (13) have been seted up to butterfly plate (3) inside, just square pivot of second (11) are through cooperation draw-in groove (13) and butterfly plate (3) swing joint, the surface evenly distributed of installation cassette (4) is provided with multiunit and extends to inside first fastening screw (6) of cross supporting seat (5).

2. The butt clamp butterfly valve convenient to dismantle and repair of claim 1, wherein: a sealing valve seat (2) is arranged on the outer side, located on the butterfly plate (3), of the inner side of the valve body (1), and the sealing valve seat (2) is matched with the butterfly plate (3).

3. The butt clamp butterfly valve convenient to dismantle and repair of claim 1, wherein: a first sealing ring (15) is arranged between the cross-shaped supporting seat (5) and the mounting clamping seat (4), and the first sealing ring (15) is made of rubber.

4. The butt clamp butterfly valve convenient to dismantle and repair of claim 1, wherein: a second sealing ring (16) is connected between the valve shaft seat (7) and the valve body (1), and a convex block is arranged at the top of the valve shaft seat (7) and clamped with the bottom of the valve body (1).

5. The butt clamp butterfly valve convenient to dismantle and repair of claim 1, wherein: the top of the cross-shaped supporting seat (5) can be connected with an external worm gear head.