CN210106619U

CN210106619U - Improved high-precision butterfly valve

Info

Publication number: CN210106619U
Application number: CN201920583734.5U
Authority: CN
Inventors: 陈燕长
Original assignee: Hengguang Fire Fighting Technology Co Ltd
Current assignee: Hengguang Fire Fighting Technology Co Ltd
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2020-02-21
Anticipated expiration: 2029-04-26

Abstract

The utility model discloses an improved generation high-precision butterfly valve, which comprises a valve body, a valve cover is fixedly arranged at the top of the valve body, a worm is arranged in the valve cover in a rotating manner, the lower end of the worm penetrates through the valve clack fixedly connected with the upper part of the valve body, a connecting rod is fixedly arranged at the top end of the worm, a vertical groove is communicated with the inside of the worm and is provided with an inserting rod in a sliding and inserting manner, the top end of the inserting rod is provided with a pressing block, the bottom of the pressing block is connected with a spring, the free end of the spring is connected with the top of the connecting rod, the tail end of the inserting rod penetrates through the worm and is connected with a lifting plate, the lifting plate is positioned in a containing groove arranged on the valve clack, the lower end of the lifting plate is movably inserted in a groove arranged in the valve clack, a valve clack between the groove and the containing groove is provided with a water, the device can be suitable for different operation conditions, avoids the waste of fluid and reduces the economic cost.

Description

Improved high-precision butterfly valve

Technical Field

The utility model relates to the technical field of valves, specifically be a high-accuracy butterfly valve of improved generation.

Background

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

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-accuracy butterfly valve of improved generation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an improved high-precision butterfly valve comprises a valve body, a valve cover is fixedly arranged at the top of the valve body, a worm is rotatably arranged in the valve cover, a valve clack is fixedly connected at the lower end of the worm which penetrates through the upper part of the valve body, a connecting rod is fixedly arranged at the top end of the worm, a vertical groove is communicated with the connecting rod and the worm, an inserting rod is inserted in the vertical groove in a sliding manner, the top end of the inserted link is fixedly provided with a pressing block, the bottom of the pressing block is fixedly connected with a spring, the spring is movably sleeved on the outer wall of the inserted link, the free end of the spring is fixedly connected with the top of the connecting rod, the tail end of the inserted link penetrates through the worm and is fixedly connected with a lifting plate, the lifting plate is positioned in a containing groove arranged in the valve clack, the lower end of the lifting plate is movably inserted into a groove formed in the valve clack, a water outlet groove is formed in the valve clack between the groove and the accommodating groove, and the water outlet groove and a through groove formed in the lifting plate are located on the same horizontal line.

As an optimal technical scheme of the utility model, go out the basin and run through the high the same in groove, and go out basin and recess, accomodate and communicate each other between the groove.

As an optimal technical scheme of the utility model, the fixed hand wheel that is equipped with of upper end outer wall of connecting rod, the hand wheel outer wall is covered and is equipped with one deck anti-skidding rubber.

As a preferred technical scheme of the utility model, the inserted bar is located the fixed stopper that is equipped with of one end both sides outer wall symmetry of erecting the inslot, erect the inslot and be equipped with the spacing groove with the stopper cooperation, sliding joint has the stopper in the spacing groove.

As an optimal technical scheme of the utility model, stopper its top and the movable laminating of spacing inslot top surface when initial position.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the valve clack is at the valve body internal rotation, realize the inside fluid of valve body and circulate and the purpose of closing continuously, if need the outflow of fluid intermittent type nature, press the briquetting through pressing downwards, lower extreme with the lifter plate is full with the recess interpolation completely, thereby make out the basin and run through the groove and realize the alignment, the inside fluid of its valve body realizes flowing out through the combination of basin and running through the groove, the effort of pressing the briquetting is given in the pine simultaneously, the lifter plate is under the elastic force effect of spring, the automatic realization resets, realize closedly to going out the basin, the fluid dams, this device not only can realize the fluid supply of continuation, and can realize the fluid supply of interstitial, applicable in the operational aspect of difference, avoid fluidic waste, reduce economic cost.

2. The fixed hand wheel that is equipped with of upper end outer wall of connecting rod, hand wheel outer wall cover are equipped with the one deck anti-skidding rubber, and when rotating the worm, it is more laborsaving effective to utilize the hand wheel, and the anti-skidding rubber of hand wheel outer wall, multiplicable and the frictional force of palm heart moreover.

3. The top of the limiting block is movably attached to the top surface of the limiting groove when the limiting block is at the initial position, so that the lifting plate is prevented from jumping back and forth due to the elasticity of the spring when the lifting plate is reset, and a section of the lifting plate is ensured to be inserted into the groove at the moment.

Drawings

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

fig. 2 is the internal structure schematic diagram of the middle valve flap of the utility model.

In the figure: 1 valve body, 2 valve covers, 3 worms, 31 connecting rods, 32 handwheels, 33 vertical grooves, 34 inserted rods, 35 pressing blocks, 36 springs, 37 limiting blocks, 38 limiting grooves, 39 lifting plates, 310 through grooves, 4 valve clacks, 41 water outlet grooves, 42 grooves and 43 accommodating grooves.

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. 1-2, the present invention provides a technical solution: an improved high-precision butterfly valve comprises a valve body 1, a valve cover 2 is fixedly arranged at the top of the valve body 1, a worm 3 is rotationally arranged in the valve cover 2, a valve flap 4 is fixedly connected at the lower end of the worm 3 through the upper part of the valve body 1, a connecting rod 31 is fixedly arranged at the top end of the worm 3, a vertical groove 33 is communicated with the connecting rod 31 and the worm 3, an inserting rod 34 is inserted in the vertical groove 33 in a sliding manner, a pressing block 35 is fixedly arranged at the top end of the inserting rod 34, a spring 36 is fixedly connected at the bottom of the pressing block 35, the spring 36 is movably sleeved on the outer wall of the inserting rod 34, the free end of the spring 36 is fixedly connected with the top of the connecting rod 31, a lifting plate 39 is fixedly connected at the tail end of the inserting rod 34 through the worm 3, the lifting plate 39 is positioned in an accommodating groove 43 arranged in the valve flap 4, the lower end of the lifting plate 39 is movably inserted, the water outlet groove 41 and the through groove 310 arranged on the lifting plate 39 are positioned on the same horizontal line, the water outlet groove 41 and the through groove 310 are at the same height, the water outlet groove 41, the groove 42 and the accommodating groove 43 are communicated with each other, when the valve is used daily, the worm 3 is rotated, the valve flap 4 is further driven to rotate in the valve body 1, the purpose of continuous circulation and closing of fluid in the valve body 1 is realized, if the fluid needs to flow out intermittently, the pressing block 35 is pressed downwards to extrude the spring 36, the lifting plate 39 is driven to move downwards by the inserting rod 34, the groove 42 is completely inserted into the lower end of the lifting plate 39, so that the water outlet groove 41 and the through groove 310 are aligned, the fluid in the valve body 1 flows out through the combination of the water outlet groove 41 and the through groove 310, meanwhile, the acting force of the pressing block 35 is released, the lifting plate 39 automatically realizes reset under the elastic force of the spring 36, the water outlet groove 41 is closed to cut off the fluid, so that the device can realize continuous fluid supply and intermittent fluid supply, is suitable for different operation conditions, avoids fluid waste and reduces economic cost.

Referring to fig. 1-2, a hand wheel 32 is fixedly arranged on the outer wall of the upper end of the connecting rod 31, a layer of anti-slip rubber is covered on the outer wall of the hand wheel 32, when the worm 3 is rotated, the hand wheel 32 is more labor-saving and effective, and the anti-slip rubber on the outer wall of the hand wheel 32 can increase the friction force with the palm.

Referring to fig. 1-2, the outer walls of both sides of one end of the inserting rod 34 located in the vertical groove 33 are symmetrically and fixedly provided with a limiting block 37, the vertical groove 33 is provided with a limiting groove 38 in cooperation with the limiting block 37, and the limiting block 37 is slidably clamped in the limiting groove 38, so as to avoid the occurrence of dislocation of the inserting rod 34.

Referring to fig. 1-2, the top of the limiting block 37 is movably attached to the inner top surface of the limiting groove 38 at the initial position, so as to prevent the lifting plate 39 from jumping back and forth due to the elastic force of the spring 36 when the lifting plate 39 is reset, and ensure that a section of the lower end of the lifting plate 39 is inserted into the groove 42.

The working principle is as follows: the utility model discloses when daily use, utilize hand wheel 32 and connecting rod 31 to drive worm 3 and rotate, further drive valve clack 4 is rotatory in valve body 1, realize the purpose that the inside fluid of valve body 1 circulates and closes continuously, if need the outflow of fluid intermittent type nature, through pressing down pressing block 35, extrude spring 36, utilize inserted bar 34 to drive lifter plate 39 and move down, the lower extreme of lifter plate 39 is full with recess 42 interpolation completely, thereby make outlet channel 41 and through groove 310 realize the alignment, the fluid of its valve body 1 inside realizes flowing out through outlet channel 41 and through groove 310's combination, the effort of giving pressing block 35 is loosened simultaneously, lifter plate 39 is under the elastic force of spring 36, the automatic realization resets, realize closing outlet channel 41, the fluid dams, this device not only can realize the fluid supply of continuation, and can realize the fluid supply of clearance, the device can be suitable for different operation conditions, avoids the waste of fluid and reduces the economic cost.

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 high-accuracy butterfly valve of improved generation, includes valve body (1), fixed valve gap (2) that are equipped with in valve body (1) top, its characterized in that: the valve cover (2) is internally and rotatably provided with a worm (3), the lower end of the worm (3) penetrates through the upper part of the valve body (1) and is fixedly connected with a valve clack (4), the top end of the worm (3) is fixedly provided with a connecting rod (31), the connecting rod (31) and the worm (3) are communicated and provided with a vertical groove (33), an inserting rod (34) is inserted and connected in the vertical groove (33) in a sliding manner, the top end of the inserting rod (34) is fixedly provided with a pressing block (35), the bottom of the pressing block (35) is fixedly connected with a spring (36), the spring (36) is movably sleeved on the outer wall of the inserting rod (34), the free end of the spring (36) is fixedly connected with the top of the connecting rod (31), the tail end of the inserting rod (34) penetrates through the worm (3) and is fixedly connected with a lifting plate (39), the lifting plate (39) is positioned in a containing groove (43) arranged in the valve clack (4), and the lower end of the lifting plate (, the valve clack (4) between the groove (42) and the containing groove (43) is provided with a water outlet groove (41), and the water outlet groove (41) and the through groove (310) arranged on the lifting plate (39) are positioned on the same horizontal line.

2. An improved high-precision butterfly valve according to claim 1, characterized in that: the height of the water outlet groove (41) is the same as that of the through groove (310), and the water outlet groove (41) is communicated with the groove (42) and the accommodating groove (43).

3. An improved high-precision butterfly valve according to claim 1, characterized in that: the outer wall of the upper end of the connecting rod (31) is fixedly provided with a hand wheel (32), and the outer wall of the hand wheel (32) is covered with a layer of anti-skid rubber.

4. An improved high-precision butterfly valve according to claim 1, characterized in that: the inserted bar (34) are located and are fixed stopper (37) that are equipped with in the one end both sides outer wall symmetry of erecting groove (33), erect in groove (33) and be equipped with spacing groove (38) with stopper (37) cooperation, sliding joint has stopper (37) in spacing groove (38).

5. An improved high-precision butterfly valve according to claim 4, characterized in that: the top of the limiting block (37) is movably attached to the inner top surface of the limiting groove (38) at the initial position.