CN212643699U

CN212643699U - Butt clamp type butterfly valve

Info

Publication number: CN212643699U
Application number: CN202020551435.6U
Authority: CN
Inventors: 仝巧会
Original assignee: Tianjin Rio Tinto Valve Co ltd
Current assignee: Tianjin Rio Tinto Valve Co ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2021-03-02
Anticipated expiration: 2030-04-15

Abstract

The utility model belongs to the technical field of the valve, especially, be a wafer formula butterfly valve, which comprises a valve body, be equipped with the drive shaft on the valve body, the top of drive shaft is equipped with the control box, all seted up on the top of control box and the bottom inner wall and rotated the hole, rotate downthehole first pivot and the second pivot of installing respectively to two, the bottom of first pivot extend to corresponding rotate outside the hole and with the top welded fastening of drive shaft together, the one end that first pivot and second pivot are close to each other all extends to in the control box and welded fastening has same empty case, all seted up the slide opening on the both sides inner wall of empty case, equal slidable mounting has the fixture block in two slide openings, and two fixture blocks extend to outside the slide opening that corresponds respectively. The utility model is simple in operation, convenient to use, laborsaving very when opening and closing the butterfly valve, convenient very in the middle of the in-service use process.

Description

Butt clamp type butterfly valve

Technical Field

The utility model relates to the technical field of valves, especially, relate to a wafer formula butterfly valve.

Background

The industrial valve is widely applied in the industrial field, especially the pipeline medium conveying field. Among them, butterfly valves are widely used in gas-solid conveying pipe systems. A butterfly valve, also called a flap valve, is a valve which realizes the closing, opening and flow regulation by using a disc type opening and closing piece to rotate in a reciprocating way by 0 to 90 degrees, has the advantages of simple structure, small volume and convenient operation, and is widely applied in the industrial field. The butterfly valve mainly relies on the periphery of valve plate and the inseparable laminating of valve body inner wall to realize sealed in the use.

However, most of the existing manually operated butterfly valves are manually opened and closed, such as manually rotating a wheel disc or a valve rod, which is labor-consuming and easy to cause accidents.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a wafer butterfly valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a butt-clamping butterfly valve comprises a valve body, wherein a driving shaft is arranged on the valve body, an operation box is arranged above the driving shaft, rotating holes are formed in the top and bottom inner walls of the operation box, a first rotating shaft and a second rotating shaft are installed in the two rotating holes respectively, the bottom end of the first rotating shaft extends out of the corresponding rotating holes and is welded and fixed with the top end of the driving shaft, one ends, close to each other, of the first rotating shaft and the second rotating shaft extend into the operation box and are welded and fixed with a same hollow box, sliding holes are formed in the inner walls of the two sides of the hollow box, clamping blocks are installed in the two sliding holes in a sliding mode, the two clamping blocks extend out of the corresponding sliding holes respectively, one ends, close to each other, of the two clamping blocks extend into the hollow box and are welded and fixed with a baffle, one side, close to each other, is welded and fixed with a same first spring, and the first rotating shaft and the second rotating, offer the three draw-in groove that is circular arrangement on the telescopic inner wall, sleeve welded fastening has the ring gear, the through-hole has been seted up on one side inner wall of control box, slidable mounting has the pull rod in the through-hole, the one end that the pull rod is close to the ring gear extends to in the control box and welded fastening has the plectane, one side welded fastening that the plectane is close to the through-hole has the second spring, the one end that the plectane was kept away from to the second spring is in the same place with the inner wall welded fastening of control box, and the second spring sliding sleeve is established on the pull rod, one side welded fastening that the plectane was kept away from the second spring has.

Preferably, the first bearings are arranged in the two rotating holes, outer rings of the two first bearings are welded and fixed with the inner walls of the corresponding rotating holes respectively, and inner rings of the two first bearings are fixedly sleeved on the first rotating shaft and the second rotating shaft respectively.

Preferably, a sealing ring is welded and fixed in the through hole, and the inner wall of the sealing ring is connected with the pull rod in a sliding manner.

Preferably, one end of the second rotating shaft, which is far away from the first rotating shaft, extends to the outside of the corresponding rotating hole and is fixedly welded with the rotating disc, and one end of the pull rod, which is far away from the circular plate, extends to the outside of the through hole and is fixedly welded with the pull plate.

Preferably, the balls are nested on two sides of the baffle plate, and the two balls are respectively in rolling connection with the inner walls of two sides of the empty box.

Preferably, the inner wall of the sleeve is fixedly sleeved with a second bearing, and an inner ring of the second bearing, the first rotating shaft and the second rotating shaft are welded and fixed together.

Compared with the prior art, the beneficial effects of the utility model are that: when opening the valve body, only need to draw the pull rod through the arm-tie down toward drawing outward always, the reciprocating motion about the pull rod drives the rack through the plectane and carries out, the rack drives engaged with ring gear clockwise rotation again, the ring gear drives the sleeve again and rotates, the sleeve drives first pivot and second pivot again and carries out clockwise rotation, thereby first pivot alright rotate with the drive shaft that drives on the valve body, thereby the drive shaft alright open the valve plate in the valve body, when closing the valve body, directly through carousel anticlockwise rotation second pivot, the second pivot drives first pivot through the empty case again and rotates, thereby first pivot alright drive shaft on driving the valve body rotates, thereby the drive shaft alright close the valve plate in the valve body.

The utility model is simple in operation, convenient to use, laborsaving very when opening and closing the butterfly valve, convenient very in the middle of the in-service use process.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front sectional view of the portion A in FIG. 1;

FIG. 3 is an enlarged schematic top sectional view of portion B of FIG. 2;

in the figure: 1. a valve body; 2. a drive shaft; 3. an operation box; 4. rotating the hole; 5. a first rotating shaft; 6. a second rotating shaft; 7. empty boxes; 8. a clamping block; 9. a baffle plate; 10. a first spring; 11. a sleeve; 12. a card slot; 13. a ring gear; 14. a through hole; 15. a pull rod; 16. a circular plate; 17. a second spring; 18. a rack.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a butt-clamping butterfly valve comprises a valve body 1, a driving shaft 2 is arranged on the valve body 1, an operation box 3 is arranged above the driving shaft 2, rotating holes 4 are respectively formed in the top and bottom inner walls of the operation box 3, a first rotating shaft 5 and a second rotating shaft 6 are respectively installed in the two rotating holes 4 in a corresponding mode, the bottom end of the first rotating shaft 5 extends out of the corresponding rotating hole 4 and is welded and fixed with the top end of the driving shaft 2, the mutually close ends of the first rotating shaft 5 and the second rotating shaft 6 extend into the operation box 3 and are fixedly welded with a same hollow box 7, sliding holes are respectively formed in the inner walls of the two sides of the hollow box 7, clamping blocks 8 are respectively installed in the two sliding holes in a sliding mode, the mutually close ends of the two clamping blocks 8 extend into the hollow box 7 and are fixedly welded with baffle plates 9, the mutually close side of the two baffle plates 9 is fixedly welded with a first spring 10, the first rotating shaft 5 and the second rotating shaft 6 are rotatably provided with the same sleeve 11, the inner wall of the sleeve 11 is provided with three clamping grooves 12 which are circularly arranged, the sleeve 11 is fixedly welded with a gear ring 13, the inner wall of one side of the operating box 3 is provided with a through hole 14, a pull rod 15 is slidably arranged in the through hole 14, one end of the pull rod 15 close to the gear ring 13 extends into the operating box 3 and is fixedly welded with a circular plate 16, one side of the circular plate 16 close to the through hole 14 is fixedly welded with a second spring 17, one end of the second spring 17 far away from the circular plate 16 is fixedly welded with the inner wall of the operating box 3, the second spring 17 is sleeved on the pull rod 15 in a sliding manner, one side of the circular plate 16 far away from the second spring 17 is fixedly welded with a rack;

the two rotating holes 4 are internally provided with first bearings, the outer rings of the two first bearings are respectively welded and fixed with the inner walls of the corresponding rotating holes 4, the inner rings of the two first bearings are respectively fixedly sleeved on the first rotating shaft 5 and the second rotating shaft 6, the through hole 14 is internally welded and fixed with a sealing ring, the inner wall of the sealing ring is connected with the pull rod 15 in a sliding manner, one end of the second rotating shaft 6 far away from the first rotating shaft 5 extends out of the corresponding rotating hole 4 and is welded and fixed with a turntable, one end of the pull rod 15 far away from the circular plate 16 extends out of the through hole 14 and is welded and fixed with a pull plate, the two sides of the baffle plate 9 are respectively nested with balls, the two balls are respectively connected with the inner walls of the two sides of the hollow box 7 in a rolling manner, the inner wall of the sleeve 11 is fixedly sleeved with a second bearing, the inner rings of the second bearings and the first rotating shaft 5 and the second rotating shaft 6 are welded and fixed together, when, the pull rod 15 drives the rack 18 to perform reciprocating movement from left to right through the circular plate 16, the rack 18 drives the meshed gear ring 13 to rotate clockwise, the gear ring 13 drives the sleeve 11 to rotate, the sleeve 111 drives the first rotating shaft 5 and the second rotating shaft 6 to rotate clockwise, so that the first rotating shaft 5 can drive the driving shaft 2 on the valve body 1 to rotate, and the driving shaft 2 can open the valve plate in the valve body 1, when the valve body 1 is closed, the second rotating shaft 6 is directly rotated anticlockwise through the rotating disc, the second rotating shaft 6 drives the first rotating shaft 5 to rotate through the empty box 7, thereby the first rotating shaft 5 can drive the driving shaft 2 on the valve body 1 to rotate, and the driving shaft 2 can close the valve plate in the valve body 1, the utility model has simple operation and convenient use, the butterfly valve is labor-saving when being opened and closed, and is convenient and fast in the actual use process.

The working principle is as follows: when the valve body 1 is opened, the pull rod 15 is pulled outwards through the pull plate, the pull rod 15 drives the rack 18 to perform reciprocating motion from left to right through the circular plate 16, the rack 18 drives the meshed gear ring 13 to rotate clockwise, the gear ring 13 drives the sleeve 11 to rotate, the sleeve 111 drives the first rotating shaft 5 and the second rotating shaft 6 to rotate clockwise, so that the first rotating shaft 5 can drive the driving shaft 2 on the valve body 1 to rotate, the driving shaft 2 can open the valve plate in the valve body 1, when the valve body 1 is closed, the second rotating shaft 6 is directly rotated anticlockwise through the turntable, the second rotating shaft 6 drives the first rotating shaft 5 to rotate through the empty box 7, so that the first rotating shaft 5 can drive the driving shaft 2 on the valve body 1 to rotate, and the driving shaft 2 can close the valve plate in the valve body 1, the utility model has the advantages of simple operation and convenient use, and is labor-saving when the butterfly valve is opened and closed, is very convenient in the actual use process.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a wafer formula butterfly valve, includes valve body (1), its characterized in that: the valve body (1) is provided with a driving shaft (2), an operation box (3) is arranged above the driving shaft (2), rotating holes (4) are formed in the top and the bottom inner wall of the operation box (3), a first rotating shaft (5) and a second rotating shaft (6) are installed in the two rotating holes (4) respectively, the bottom end of the first rotating shaft (5) extends out of the corresponding rotating hole (4) and is fixedly connected with the top end of the driving shaft (2), one ends, close to each other, of the first rotating shaft (5) and the second rotating shaft (6) extend into the operation box (3) and are fixedly provided with the same empty box (7), sliding holes are formed in the inner walls of the two sides of the empty box (7), clamping blocks (8) are installed in the two sliding holes in a sliding mode, the two clamping blocks (8) extend out of the corresponding sliding holes respectively, one ends, close to each other, of the two clamping blocks (8) extend into the empty box (7) and are fixedly provided with a baffle (9), one side fixed mounting that two baffles (9) are close to each other has same first spring (10), rotate on first pivot (5) and second pivot (6) and install same sleeve (11), seted up three draw-in groove (12) that are circular arrangement on the inner wall of sleeve (11), sleeve (11) fixed mounting has ring gear (13), through-hole (14) have been seted up on one side inner wall of control box (3), slidable mounting has pull rod (15) in through-hole (14), the one end that pull rod (15) are close to ring gear (13) extends to in control box (3) and fixed mounting has plectane (16), one side fixed mounting that plectane (16) are close to through-hole (14) has second spring (17), the one end that plectane (16) were kept away from in second spring (17) and the inner wall fixed connection of control box (3), and second spring (17) slip cover is established on pull rod (15), and a rack (18) is fixedly mounted on one side, away from the second spring (17), of the circular plate (16), and the rack (18) is meshed with the gear ring (13).

2. The wafer-type butterfly valve according to claim 1, wherein: all be equipped with first bearing in two rotation holes (4), the outer lane of two first bearings respectively with the inner wall fixed connection of corresponding rotation hole (4), the inner circle of two first bearings is fixed the cover respectively and is established on first pivot (5) and second pivot (6).

3. The wafer-type butterfly valve according to claim 1, wherein: and a sealing ring is fixedly arranged in the through hole (14), and the inner wall of the sealing ring is connected with the pull rod (15) in a sliding manner.

4. The wafer-type butterfly valve according to claim 1, wherein: one end of the second rotating shaft (6) far away from the first rotating shaft (5) extends to the corresponding rotating hole (4) and is fixedly provided with a rotary table, and one end of the pull rod (15) far away from the circular plate (16) extends to the through hole (14) and is fixedly provided with a pull plate.

5. The wafer-type butterfly valve according to claim 1, wherein: the two sides of the baffle (9) are nested with balls, and the two balls are respectively in rolling connection with the inner walls of the two sides of the empty box (7).

6. The wafer-type butterfly valve according to claim 1, wherein: the inner wall of the sleeve (11) is fixedly sleeved with a second bearing, and the inner ring of the second bearing, the first rotating shaft (5) and the second rotating shaft (6) are fixedly connected together.