CN215487761U - Toggle ball valve for narrow space - Google Patents

Abstract

The utility model discloses a toggle ball valve for narrow space, which comprises a valve body, a valve core is arranged in the valve body, the left side of the valve core, the right side both sides are equipped with the disk seat, all be equipped with the sealing washer on two disk seats, the side of two disk seats all is equipped with compression spring, be equipped with the valve rod on the valve body, the top of valve body is equipped with the carriage, be equipped with microscler mounting bracket on the carriage, the top of microscler mounting bracket is equipped with the guide rail, slider is all installed to two guide rail departments, be fixed with the backup pad between two sliders, be fixed with first gear on the valve rod, it is connected with first pivot and second pivot to rotate on the microscler mounting bracket, be fixed with the second gear in the first pivot, be fixed with the third gear in the second pivot, the top of third gear is fixed with the fourth gear, the bottom mounting of backup pad has the rack, it has the passway hole to open on the microscler mounting bracket, the top of backup pad is fixed with the riser, the pulling ring is installed on the top of riser. The ball valve is ingenious and reasonable in structural design, can be opened and closed in a narrow space, and is worthy of popularization and application.

Description

Toggle ball valve for narrow space

Technical Field

The utility model relates to a ball valve, in particular to a toggle ball valve for a narrow space.

Background

Ball valve in the valve, the case is driven by the valve rod, the valve of rotary motion is made to the duplex winding ball valve axis, the driver part that current ball valve adopted usually drives the valve rod for the mode of reduction gear with hand round wheel and rotates and drive the case rotation, thereby open and close the ball valve, and then open and close the operation to the pipeline, however in some long and narrow space environment, this kind of ball valve is because horizontal width is big, the space is not enough and can not be used, thereby can only get rid of reduction gear and hand round, only stay the valve rod alone, the ball valve that only stays the valve rod like this can greatly increased the ball valve open and close the degree of difficulty, the operation is very loaded down with trivial details, if meet proruption emergency, be unfavorable for quick opening and close the operation to the pipeline, can greatly increased potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of the prior art, provides the toggle ball valve used in the narrow space, and meets the requirements of users on opening and closing the pipeline by using the ball valve in the narrow space and low cost.

The utility model adopts the technical scheme for solving the technical problems that: the toggle ball valve for the narrow space comprises a valve body, a valve core is arranged in the valve body, valve seats inserted at the valve body are arranged on the left side and the right side of the valve core, sealing rings matched with the spherical surface of the valve core are fixed on the two valve seats, first compression springs for driving the two valve seats to press towards the spherical surface of the valve core are installed on the side ends of the two valve seats, a valve rod for driving the valve core to rotate is installed on the valve body, a supporting frame which is penetrated in the front and back direction is fixed above the valve body, a long mounting frame is fixed on the supporting frame, a pair of guide rails which are symmetrically arranged are installed and fixed on the top end of the long mounting frame, sliding blocks are installed at the two guide rails, a supporting plate is fixed between the two sliding blocks, a first gear is fixed on the valve rod, a first rotating shaft and a second rotating shaft are rotatably connected on the long mounting frame, a second gear meshed with the first gear is fixed on the first rotating shaft, a third gear meshed with the second gear is fixed on the second rotating shaft, a fourth gear is fixed above the third gear, a rack meshed with the fourth gear is fixed at the bottom end of the supporting plate, a channel hole is formed in the long mounting frame, a vertical block extending out of the channel hole is fixed at the top end of the supporting plate, a pull ring is installed at the top end of the vertical block, the gear ratio of the first gear to the second gear to the third gear is 6:3:1, and the gear ratio of the third gear to the fourth gear is 1: 1. The valve seat and the sealing ring have the functions of sealing the surface of the valve core; the first compression spring is used for pressing the valve seat and the sealing ring for compensation, and when the abrasion of the sealing ring is reduced, the disk spring is used for pushing the valve seat to compensate the position of the sealing ring, so that the service life of the sealing ring can be greatly prolonged, and the service life of the ball valve can also be greatly prolonged; the valve rod is used for driving the valve core to rotate so as to open and close the ball valve; the guide rail, the sliding block, the supporting plate, the first gear, the first rotating shaft, the second gear, the third gear, the fourth gear, the rack, the channel hole, the vertical block and the pulling ring have the effects that the valve core can be driven to rotate to open and close the ball valve by driving the pulling ring, so that the ball valve can be suitable for narrow spaces, particularly narrow and long space environments, and working conditions which are not beneficial to the motion of the hand wheel; the gear ratio among the first gear, the second gear and the third gear is 6:3:1, and the gear ratio between the third gear and the fourth gear is 1:1, so that the valve core can be pulled by the pulling ring to rotate more laborsavingly through the change of the gear ratio, the pulling distance of the rack can be long, the labor is saved, the rotating number of the first gear can be matched, namely the rack pulls the right side to the right position, at the moment, the third gear rotates three circles, the second gear rotates one circle and one half, the first gear rotates half, and the valve core can be just opened and is positioned at the open position.

Further perfect, the bottom mounting of valve body has circular support column, and open on the top of circular support column has put the groove, has put thrust bearing in putting the groove, and open the bottom of case has the round hole, and the top surface department of putting at thrust bearing is put to the terminal surface of round hole, is equipped with the self-lubricating axle sleeve of cup jointing on circular support column between circular support column and the round hole. The placing groove, the thrust bearing and the circular support column have the advantages that the valve core can be supported, so that the situation that the lower end of the sealing ring is excessively abraded due to the fact that the valve core is excessively pressed on the sealing ring on the lower end side by means of excessive gravity is avoided, the integral service life of the sealing ring is influenced, the service life of the sealing ring can be greatly prolonged by the placing groove, the thrust bearing and the circular support column, and the service life of the ball valve is prolonged; the effect of self-lubricating axle sleeve here is, not only increases the compactness between case and the circular support column, moreover can greatly reduced frictional force for the case operates more stably, and here self-lubricating axle sleeve just makes with tin bronze material.

Further perfecting, the left side and the right side of the top end of the long mounting rack are both fixed with threaded rods, and the two threaded rods are both in threaded connection with disk-shaped nuts. The threaded rod and the disk-shaped nut have the effects that the pulling ring which runs in place left or right can be hung at the threaded rod and is pressed by the disk-shaped nut, so that the valve core can be prevented from deflecting under the action of external force, and the ball valve can be opened accidentally.

Further perfection, a rubber sleeve is fixed on the pull ring, and a group of spherical salient points are arranged on the rubber sleeve. The rubber sleeve and the spherical convex points have the effects of increasing the comfort level of pinching the pulling ring and increasing the friction force, playing a role in preventing skidding and increasing the stress on the pulling ring.

Further perfect, the left and right sides of rack all is equipped with the bolster of fixing on microscler mounting bracket, and the bolster includes the fixed block, and it has the ejector pin to peg graft on the fixed block, installs the compression spring that the ejector pin moved outward in the top on the fixed block. The buffer piece has the advantages that the buffer effect of the rack in-place limiting during left movement and the buffer effect of the rack in-place limiting during right movement is achieved, the rack collides with the long mounting rack to generate harsh sound, and the noise is reduced.

Further perfect, the valve body includes left valve portion and right valve portion, is equipped with the sleeve part between left valve portion and the right valve portion, and sleeve part passes through the fastener with left valve portion and right valve portion and fixes together. The valve body is assembled by the left valve part, the right valve part and the sleeve part, so that the cost can be reduced, the valve body does not need to be integrally cast, and the valve body can be assembled through the pressing piece, so that the cost is reduced, and the environmental friendliness is reduced.

The utility model has the beneficial effects that: the utility model has the advantages of ingenious and reasonable structural design, the surface of the valve core can be sealed by utilizing the valve seat and the sealing ring, the first compression spring is used for pressing the valve seat and the sealing ring for compensation, when the abrasion of the sealing ring is reduced, the disk spring is used for pushing the valve seat to compensate the position of the sealing ring, thereby greatly prolonging the service life of the sealing ring, and further greatly prolonging the service life of the ball valve, the valve rod is used for driving the valve core to rotate so as to open and close the ball valve, the guide rail, the sliding block, the support plate, the first gear, the first rotating shaft, the second gear, the third gear, the fourth gear, the rack, the channel hole, the vertical block and the pulling ring are used for driving the valve core to rotate so as to open and close the ball valve by pulling the pulling ring, thereby being suitable for narrow space, especially narrow and long space environment, the valve core can be pulled to rotate more easily by the pulling ring by utilizing the working condition environment which is not beneficial to the movement of the hand-operated wheel, the gear ratio of the first gear, the second gear and the third gear is 6:3:1, and the gear ratio of the third gear to the fourth gear is 1:1, so that the valve core can be pulled to rotate more easily by the pulling ring, the pulling distance of the rack can be long, the labor is saved, the rotating number of the first gear can be matched, namely the right position limit of the rack pulling is reached, at the moment, the third gear rotates three circles, the second gear rotates one circle and one half, the first gear rotates one half circle, and the valve core just can be opened and is positioned at the open position.

Drawings

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

FIG. 2 is a schematic view of an elongated mount region of the present invention;

FIG. 3 is an enlarged view of a portion of the area A of FIG. 1;

FIG. 4 is a partial enlarged view of the area B of FIG. 1;

FIG. 5 is a cross-sectional view taken along line C-C of FIG. 1;

fig. 6 is a cross-sectional view of a buffer member of the present invention.

Description of reference numerals: the valve comprises a valve body 1, a left valve part 1-1, a right valve part 1-2, a sleeve part 1-3, a valve core 2, a valve seat 3, a sealing ring 4, a first compression spring 5, a valve rod 6, a circular support column 7, a placing groove 7-1, a support frame 8, an elongated mounting frame 9, a guide rail 10, a sliding block 11, a support plate 12, a first gear 13, a first rotating shaft 14, a second rotating shaft 15, a second gear 16, a third gear 17, a fourth gear 18, a rack 19, a vertical block 20, a pulling ring 21, a rubber sleeve 21-1, spherical salient points 21-1a, a thrust bearing 22, a self-lubricating shaft sleeve 23, a threaded rod 24, a disc-shaped nut 25, a buffer 26, a fixing block 26-1, a mandril 26-2 and a compression spring 26-3.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

With reference to the accompanying drawings: the toggle ball valve for the narrow space comprises a valve body 1, a valve core 2 is arranged in the valve body 1, valve seats 3 inserted in the valve body 1 are arranged on the left side and the right side of the valve core 2, sealing rings 4 matched with the spherical surface of the valve core 2 are fixed on the two valve seats 3, first compression springs 5 for driving the two valve seats 3 to press towards the spherical surface of the valve core 2 are arranged on the side ends of the two valve seats 3, a valve rod 6 for driving the valve core 2 to rotate is arranged on the valve body 1, a supporting frame 8 which is penetrated in the front and back direction is fixed above the valve body 1, a long mounting frame 9 is fixed on the supporting frame 8, a pair of symmetrically arranged guide rails 10 are fixed on the top end of the long mounting frame 9, sliding blocks 11 are arranged on the two guide rails 10, a supporting plate 12 is fixed between the two sliding blocks 11, a first gear 13 is fixed on the valve rod 6, a first rotating shaft 14 and a second rotating shaft 15 are connected on the long mounting frame 9, a second gear 16 meshed with the first gear 13 is fixed on the first rotating shaft 14, a third gear 17 meshed with the second gear 16 is fixed on the second rotating shaft 15, a fourth gear 18 is fixed above the third gear 17, a rack 19 meshed with the fourth gear 18 is fixed at the bottom end of the support plate 12, a channel hole 9-1 is formed in the long mounting frame 9, a vertical block 20 extending out of the channel hole 9-1 is fixed at the top end of the support plate 12, a pull ring 21 is installed at the top end of the vertical block 20, the gear ratio among the first gear 13, the second gear 16 and the third gear 17 is 6:3:1, and the gear ratio between the third gear 17 and the fourth gear 18 is 1: 1.

The bottom end of the valve body 1 is fixed with a round supporting column 7, the top end of the round supporting column 7 is provided with a placing groove 7-1, a thrust bearing 22 is placed in the placing groove 7-1, the bottom end of the valve core 2 is provided with a round hole 2-1, the end face of the round hole 2-1 is placed on the top face of the thrust bearing 22, and a self-lubricating shaft sleeve 23 sleeved on the round supporting column 7 is arranged between the round supporting column 7 and the round hole 2-1.

Threaded rods 24 are fixed on the left side and the right side of the top end of the long mounting frame 9, and disc-shaped screw caps 25 are connected to the two threaded rods 24 in a threaded mode.

The pulling ring 21 is fixed with a rubber sleeve 21-1, and the rubber sleeve 21-1 is provided with a group of spherical salient points 21-1 a.

The left side and the right side of the rack 19 are respectively provided with a buffer 26 fixed on the long mounting rack 9, each buffer 26 comprises a fixed block 26-1, a mandril 26-2 is inserted on the fixed block 26-1, and a compression spring 26-3 for pushing the mandril 26-2 to move outwards is arranged on the fixed block 26-1.

The valve body 1 comprises a left valve part 1-1 and a right valve part 1-2, a sleeve part 1-3 is arranged between the left valve part 1-1 and the right valve part 1-2, and the sleeve part 1-3 is fixed with the left valve part 1-1 and the right valve part 1-2 through a fastening piece.

The working principle of the utility model is as follows: when the ball valve needs to be opened, only the pulling ring 20 needs to be pulled by hand, so that the rack 19 is pulled to move, the rack 19 moves and drives the fourth gear 18 to rotate, the third gear 17 drives the second gear 16 to rotate, the second gear 16 drives the first gear 13 to rotate, the first gear 13 is fixed at the valve rod 6, the first gear 13 rotates and drives the valve core 2 to rotate, so that the valve core 2 is opened, the gear ratio among the first gear, the second gear and the third gear is 6:3:1, so that the valve core can be pulled to rotate by the pulling ring more laborsavingly through the change of the gear ratio, the pulling distance of the rack 19 can be long, namely, the labor is saved, and the rotating number of the first gear 13 can be matched, that is, when the rack 19 pulls the right position limit and is buffered and limited by the buffer 26, at this time, the third gear 18 is just driven to rotate three times, the second gear 16 is driven to rotate one and a half times, the first gear 13 is driven to rotate one and a half times, the valve core 2 can be just opened and is located at the open position, if it is ensured that the pull ring 21 does not move, the rotating position of the valve core 2 is affected, only the pull ring 21 needs to be placed on the threaded rod 24 and the pull ring 21 is tightly pressed by the disk-shaped nut 25, and the valve is worthy of popularization and application.

While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims (6)

1. The utility model provides a narrow and small space is with stirring formula ball valve, includes valve body (1), characterized by: a valve core (2) is arranged in the valve body (1), valve seats (3) inserted in the valve body (1) are arranged on the left side and the right side of the valve core (2), sealing rings (4) matched with the spherical surface of the valve core (2) are fixed on the two valve seats (3), first compression springs (5) driving the two valve seats (3) to press towards the spherical surface of the valve core (2) are arranged on the two valve seats (3), valve rods (6) matched with the valve core (2) are arranged on the valve body (1), a supporting frame (8) is fixed above the valve body (1), a long mounting frame (9) is fixed on the supporting frame (8), a pair of symmetrically arranged guide rails (10) is fixed at the top end of the long mounting frame (9), sliding blocks (11) are arranged at the positions of the two guide rails (10), and a supporting plate (12) is fixed between the two sliding blocks (11), be fixed with first gear (13) on valve rod (6), it is connected with first pivot (14) and second pivot (15) to rotate on microscler mounting bracket (9), be fixed with second gear (16) with first gear (13) meshing on first pivot (14), be fixed with third gear (17) with second gear (16) meshing on second pivot (15), the top of third gear (17) is fixed with fourth gear (18), the bottom mounting of backup pad (12) has rack (19) with fourth gear (18) meshing, it has passageway hole (9-1) to open on microscler mounting bracket (9), the top of backup pad (12) is fixed with riser block (20) that extend passageway hole (9-1), pull ring (21) is installed on the top of riser block (20), first gear (13), The gear ratio between the second gear (16) and the third gear (17) is 6:3:1, and the gear ratio between the third gear (17) and the fourth gear (18) is 1: 1.

2. The dial-type ball valve for a narrow space according to claim 1, wherein: the bottom mounting of valve body (1) has circular support column (7), open the top of circular support column (7) has put groove (7-1), put thrust bearing (22) in putting groove (7-1), open the bottom of case (2) has round hole (2-1), the top surface department at thrust bearing (22) is put to the terminal surface of round hole (2-1), be equipped with self-lubricating axle sleeve (23) of cup jointing on circular support column (7) between circular support column (7) and round hole (2-1).

3. The dial-type ball valve for a narrow space according to claim 1, wherein: threaded rods (24) are fixed on the left side and the right side of the top end of the long mounting frame (9), and disc-shaped screw caps (25) are connected to the threaded rods (24) in a threaded mode.

4. The dial-type ball valve for a narrow space according to claim 1, wherein: a rubber sleeve (21-1) is fixed on the pulling ring (21), and a group of spherical salient points (21-1a) are arranged on the rubber sleeve (21-1).

5. The dial-type ball valve for a narrow space according to claim 1, wherein: the left side and the right side of the rack (19) are respectively provided with a buffer piece (26) fixed on the long mounting rack (9), each buffer piece (26) comprises a fixing block (26-1), an ejector rod (26-2) is inserted into each fixing block (26-1), and a compression spring (26-3) for pushing the ejector rod (26-2) to move outwards is mounted on each fixing block (26-1).

6. The dial-type ball valve for a narrow space according to claim 1, wherein: the valve body (1) comprises a left valve part (1-1) and a right valve part (1-2), a sleeve part (1-3) is arranged between the left valve part (1-1) and the right valve part (1-2), and the sleeve part (1-3) is fixed with the left valve part (1-1) and the right valve part (1-2) through fasteners.

Images