CN210265904U

CN210265904U - Manual telescopic butterfly valve

Info

Publication number: CN210265904U
Application number: CN201921163086.4U
Authority: CN
Inventors: 刘鲁义
Original assignee: Tangguan Valve Co ltd
Current assignee: Tangguan Valve Co ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-04-07
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a manual flexible butterfly valve relates to the valve field, and is complicated to current valve structure, and the cost of manufacture is high, and operates inconvenient problem, now proposes following scheme, and it includes horizontal connecting pipe, the middle part of connecting pipe upside is fixed with vertical fixed pipe, and fixed and the intercommunication has the spacing cover that inboard shape is the square in the upper end of fixed pipe, rotate on the inner wall at connecting pipe middle part and install vertical pivot, fixed cover in the pivot be equipped with the inboard assorted circular butterfly plate of connecting pipe, the connecting pipe is worn out and the cylinder that is located the fixed pipe is fixed to the upper end of pivot, and cylindrical upper end is equipped with the slot that the shape of cross section is the square. This scheme is through the setting of spring, rectangle inserted bar, slot, operating ring, horizontal pole, spacing cover and cylinder, and opening and closing of realization valve that not only can be very convenient, and possess the auto-lock effect, simultaneously, the simple structure of whole valve, the cost of manufacture is low.

Description

Manual telescopic butterfly valve

Technical Field

The utility model relates to a valve field especially relates to a manual flexible butterfly valve.

Background

At present, a butterfly valve opening and closing piece of a manual butterfly valve is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in a valve body, so that the valve which is opened, closed or adjusted is called the butterfly valve. Butterfly valve and butterfly rod do not have the auto-lock powerful itself, and for the location of butterfly plate, will install worm gear reducer additional on the valve rod, this is just so that the most structure complicacy of current butterfly valve, and the cost of manufacture is high, and also inconvenient when the operation, to those users that require lower to the valve, the inconvenient use of valve that current cost of manufacture is high.

Disclosure of Invention

The utility model aims at solving the problems of complicated structure, high manufacturing cost and inconvenient operation of the existing valve, and providing a manual telescopic butterfly valve.

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

a manual telescopic butterfly valve comprises a transverse connecting pipe, wherein a vertical fixing pipe is fixed in the middle of the upper side of the connecting pipe, a limiting cover with a square inner side is fixed and communicated at the upper end of the fixing pipe, a vertical rotating shaft is rotatably installed on the inner wall of the middle of the connecting pipe, a round butterfly plate matched with the inner side of the connecting pipe is fixedly sleeved on the rotating shaft, a cylinder positioned in the fixing pipe penetrates out of the connecting pipe and is fixed at the upper end of the rotating shaft, a slot with a square cross section is formed in the upper end of the cylinder, a rectangular inserting rod with a square cross section is movably inserted into the inner side of the slot, a square block inserted into the limiting cover is fixed at the upper end of the rectangular inserting rod, a spring sleeved on the rectangular inserting rod is arranged between the square block and the cylinder, a rotating column with an upper end penetrating out of the limiting cover is fixed at the top of the square block, and a transverse cross, the both ends of horizontal pole all are equipped with the mounting hole, and sliding fit has a stopper in the mounting hole, one side of stopper is fixed with the telescopic link that the mounting hole was worn out to one end, and the one end that the mounting hole was worn out to the telescopic link is fixed with the operating ring.

Preferably, the length of the rectangular insertion rod is smaller than that of the insertion slot, and the sum of the height of the square block and the length of the rectangular insertion rod is smaller than the length of the inner side of the fixed pipe.

Preferably, the original length of the spring is smaller than the distance between the square block and the cylinder, and two ends of the connecting pipe are provided with connecting flanges.

Preferably, the connecting pipe is provided with a mounting hole matched with the rotating shaft, the rotating shaft is rotatably mounted in the mounting hole, and the mounting hole is fixedly provided with a closed rubber ring sleeved on the rotating shaft.

Preferably, the limiting block is rectangular, and the size of the limiting block is larger than that of the telescopic rod.

Preferably, the top of the limiting cover is provided with a through hole communicated with the limiting cover, and the rotating column is in rotating fit in the through hole.

This scheme passes through the setting of spring, rectangle inserted bar, slot, operating ring, horizontal pole, spacing cover and cylinder, and opening and closing of realization valve that not only can be very convenient, and possess the auto-lock effect, simultaneously, the simple structure of whole valve, the cost of manufacture is low, in addition, when rotating the horizontal pole, can also stretch out the telescopic link and adjust the extension arm of force to it is more laborsaving to make the rotation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the cylinder of the present invention.

Reference numbers in the figures: the device comprises a connecting pipe 1, a fixed pipe 2, a limiting cover 3, a rotating shaft 4, a circular butterfly plate 5, a cylindrical column 6, a slot 7, a rectangular inserted rod 8, a square block 9, a rotating column 10, a cross rod 11, a telescopic rod 12, an operating ring 13, a spring 14 and a limiting block 15.

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.

Referring to fig. 1-2, a manual telescopic butterfly valve comprises a transverse connecting pipe 1, a vertical fixed pipe 2 is fixed at the middle part of the upper side of the connecting pipe 1, a limit cover 3 with a square inner side is fixed and communicated at the upper end of the fixed pipe 2, a vertical rotating shaft 4 is rotatably installed on the inner wall of the middle part of the connecting pipe 1, a round butterfly plate 5 matched with the inner side of the connecting pipe 1 is fixedly sleeved on the rotating shaft 4, a cylinder 6 positioned in the fixed pipe 2 is fixed at the upper end of the rotating shaft 4, a slot 7 with a square cross section is arranged at the upper end of the cylinder 6, a rectangular inserted rod 8 with a square cross section is movably inserted inside the slot 7, a square block 9 inserted in the limit cover 3 is fixed at the upper end of the rectangular inserted rod 8, a spring 14 sleeved on the rectangular inserted rod 8 is arranged between the square block 9 and the cylinder 6, a rotating column 10 with an upper end penetrating through the limit cover 3 is fixed at the top of, the upper end of the rotating column 10 is fixed with a transverse cross rod 11, mounting holes are formed in the two ends of the cross rod 11, a limiting block 15 is arranged in the mounting holes in a sliding fit mode, a telescopic rod 12 with one end penetrating out of the mounting holes is fixed to one side of the limiting block 15, and an operating ring 13 is fixed to one end, penetrating out of the mounting holes, of the telescopic rod 12.

In the present embodiment, the length of the rectangular insertion rod 8 is smaller than the length of the slot 7, and the sum of the height of the square block 9 and the length of the rectangular insertion rod 8 is smaller than the length of the inner side of the fixed pipe 2.

In this embodiment, the original length of the spring 14 is smaller than the distance between the square block 9 and the cylinder 6, and the two ends of the connecting pipe 1 are both provided with connecting flanges for matching and installing with the pipeline.

In this embodiment, the connecting pipe 1 is provided with a mounting hole matched with the rotating shaft 4, the rotating shaft 4 is rotatably mounted in the mounting hole, the mounting hole is fixed with a sealing rubber ring sleeved on the rotating shaft 4, and the sealing rubber ring is used for sealing the rotating shaft 4.

In this embodiment, the shape of the limiting block 15 is rectangular, and the size of the limiting block 15 is larger than that of the telescopic rod 12, so that the limiting block 15 has a limiting effect on the movement of the telescopic rod 12, and the telescopic rod 12 is prevented from being completely pulled out.

In this embodiment, the top of the position-limiting cover 3 is provided with a through hole communicated with the position-limiting cover 3, and the rotating column 10 is rotatably fitted in the through hole.

The utility model discloses in, the fixed mode between the part is in screw fixation or welded fastening.

The arranged spring 14 is in a compressed state at the initial moment, the lower end of the rectangular insertion rod 8 is positioned in the slot 7, the spring 14 can be continuously compressed by pressing the cross rod 11 downwards after the operation ring 13 is held, so that the square block 9 extends out of the limit cover 3 and enters the fixed pipe 2, at the moment, the lower end of the rectangular insertion rod 8 is continuously inserted into the slot 7, at the moment, the cross rod 11 which is rotatably arranged can rotate the cylinder 6 to rotate the circular butterfly plate 5 by ninety degrees, when the circular butterfly plate 5 rotates to be vertical to the connecting pipe 1 longitudinally, the valve is in a closed state, when the circular butterfly plate 5 rotates to be parallel to the connecting pipe 1, the valve is in an open state, after rotating by 90 degrees, the cross rod 11 is not pressed, at the moment, under the action of the spring 14 in the compressed state, the square block 9 is jacked up to move back into the limit cover 3, at the moment, the square block 9 is not rotating, thereby keep the state at this moment, possess the auto-lock effect, whole device simple structure, the cost of manufacture is low, and when handheld operation ring 13 rotated horizontal pole 11, can stretch out regulation extension arm of force with telescopic link 12 to make and rotate more laborsaving, convenient operation.

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

1. A manual telescopic butterfly valve comprises a transverse connecting pipe (1) and is characterized in that a vertical fixed pipe (2) is fixed in the middle of the upper side of the connecting pipe (1), a limiting cover (3) with a square inner side is fixed and communicated with the upper end of the fixed pipe (2), a vertical rotating shaft (4) is rotatably installed on the inner wall of the middle of the connecting pipe (1), a circular butterfly plate (5) matched with the inner side of the connecting pipe (1) is fixedly sleeved on the rotating shaft (4), the upper end of the rotating shaft (4) penetrates out of the connecting pipe (1) and is fixed with a cylinder (6) positioned in the fixed pipe (2), a slot (7) with a square cross section is arranged at the upper end of the cylinder (6), a rectangular inserting rod (8) with a square cross section is movably inserted in the inner side of the slot (7), a square block (9) inserted in the limiting cover (3) is fixed at the upper end of the rectangular inserting rod (8), be equipped with spring (14) of suit on rectangle inserted bar (8) between square piece (9) and cylinder (6), the top of square piece (9) is fixed with rotation post (10) that spacing cover (3) were worn out to the upper end, and the upper end of rotating post (10) is fixed with horizontal pole (11), the both ends of horizontal pole (11) all are equipped with the mounting hole, and sliding fit has stopper (15) in the mounting hole, one side of stopper (15) is fixed with telescopic link (12) that the mounting hole was worn out to one end, and the one end that mounting hole was worn out in telescopic link (12) is fixed with handle ring (13).

2. A manually telescopic butterfly valve according to claim 1, characterised in that the length of the rectangular rod (8) is less than the length of the slot (7) and the sum of the height of the square block (9) and the length of the rectangular rod (8) is less than the length of the inside of the fixed pipe (2).

3. A manually telescopic butterfly valve according to claim 1, characterised in that the original length of said spring (14) is smaller than the distance between the square block (9) and the cylinder (6), and in that the connection pipe (1) has connection flanges at both ends.

4. The manual telescopic butterfly valve according to claim 1, characterized in that the connecting pipe (1) is provided with a mounting hole matched with the rotating shaft (4), the rotating shaft (4) is rotatably mounted in the mounting hole, and the mounting hole is fixed with a sealing rubber ring sleeved on the rotating shaft (4).

5. A manually telescopic butterfly valve according to claim 1, characterised in that said stop (15) is rectangular in shape and the size of the stop (15) is greater than the size of the telescopic rod (12).

6. A manually telescopic butterfly valve according to claim 1, characterised in that the top of the housing (3) is provided with a through hole communicating with the housing (3), and in that the rotary column (10) is fitted rotatably in the through hole.