CN218094512U - Ball valve - Google Patents

Abstract

The utility model discloses a ball valve, the on-line screen storage device comprises a base, the inside of base is equipped with the cavity, the cavity inner wall bottom is rotated and is connected with first threaded rod, the top of first threaded rod runs through the base and extends to outside threaded connection and has first movable plate, the outside cover of first movable plate is equipped with the lag, the top of first movable plate runs through the lag and extends to the external connection and has the ball valve body, be equipped with the first bevel gear with first threaded rod coaxial coupling in the cavity, the outside circumference array meshing of first bevel gear has a plurality of second bevel gears, every fixedly connected with second threaded rod all runs through at the second bevel gear middle part, every equal threaded connection has the second movable plate on the second threaded rod, every the lateral wall of second movable plate all is equipped with the connecting rod. The utility model discloses when the ball valve body highly improved, can increase the area of contact of base and ground to the stability that hoisting device supported the ball valve body.

Description

Ball valve

Technical Field

The utility model relates to a ball valve belongs to ball valve technical field.

Background

The ball valve, the opening and closing piece (spheroid) is driven by the valve stem, and round the valve that the ball valve axis makes the rotary motion, also can be used to the regulation and control of fluidic, wherein have very strong shearing force between the metal valve seat of hard alloy of its V-shaped core of hard seal V-type ball valve and build-up welding hard alloy, the medium of especially adapted to containing fibre, tiny solid particle, etc..

For example, patent No. CN202120796491.0 includes the ball seat, the lower surface of ball seat is provided with the fixed axle, the lower extreme of fixed axle is provided with supporting component, there is the water inlet one side of ball seat through flange joint, supporting component is including the base plate, the upper surface intermediate position department of base plate is connected with spacing section of thick bamboo perpendicularly, the upper end embedding slidable mounting of spacing section of thick bamboo has the sliding shaft, through flange fixed connection between the upper end of sliding shaft and the lower extreme of fixed axle.

Although the ball valve can be fixed to positions with different heights, the contact area of the base plate and the ground cannot be adjusted, the gravity center of the ball valve is lifted due to the lifting under the condition that the supporting surface is fixed, the ball valve is easy to shake due to the flowing of a medium, the stability is poor, and the joint of the ball valve and a pipeline is easy to loosen after a long time.

SUMMERY OF THE UTILITY MODEL

For solving prior art's not enough, the utility model aims to provide a ball valve has solved among the prior art partial device and can fix the position to the co-altitude with the ball valve, but the area of contact of its base plate and ground can't be adjusted, and under the certain circumstances of holding surface, the ball valve leads to the focus to rise because of rising, just takes place to rock because of the medium flows easily, poor stability, like this long-time back, ball valve and pipe connection department take place not hard up problem easily.

In order to achieve the above object, the utility model adopts the following technical scheme: a ball valve comprises a base, wherein a cavity is arranged inside the base, the bottom end of the inner wall of the cavity is rotatably connected with a first threaded rod, the top end of the first threaded rod penetrates through the base and extends to the outside to be in threaded connection with a first movable plate, a protective sleeve is sleeved outside the first movable plate, the top end of the first movable plate penetrates through the protective sleeve and extends to the outside to be connected with a ball valve body, a first bevel gear coaxially connected with the first threaded rod is arranged in the cavity, a plurality of second bevel gears are meshed with the outer side of the first bevel gear in a circumferential array manner, a second threaded rod penetrates through the middle of each second bevel gear and is fixedly connected with the middle of each second bevel gear, a second moving plate is connected to each second threaded rod in a threaded manner, a connecting rod is arranged on the side wall of each second moving plate, and one end, far away from the second moving plate, of each connecting rod penetrates through the base and extends to the outside to be connected with a fixed seat; and a driving piece is arranged below the first moving plate in the protective sleeve and is used for driving the first threaded rod to rotate.

As a preferred scheme of the utility model, the inside wall symmetry of lag is equipped with the spout, the bilateral symmetry of first movable plate is equipped with slider, two the equal sliding connection of slider is in the spout that corresponds.

As a preferred scheme of the utility model, the base lateral wall all is equipped with the opening that is linked together with the cavity all around, the connecting rod runs through the opening setting, just connecting rod and opening sliding connection.

As an optimal scheme of the utility model, every second threaded rod is kept away from second bevel gear one end and is all rotated through bearing and cavity inside wall and be connected.

As an optimal scheme of the utility model, every all be equipped with between second bevel gear and the second movable plate and rotate the extension board of being connected, every with the second threaded rod all with cavity inner wall bottom fixed connection.

As a preferred scheme of the utility model, the driving piece is including worm wheel and the worm that the meshing is connected, worm wheel and first threaded rod coaxial coupling, the worm both ends are rotated with the lag inside wall and are connected.

As a preferred scheme of the utility model, worm one end runs through the lag and extends to the external connection and has the handle.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the utility model discloses a first threaded rod of driving piece drive that sets up is rotatory, make first movable plate drive the height that ball valve body goes up and down to adjust the ball valve body, first bevel gear on the first threaded rod drives second bevel gear coaxial coupling's second threaded rod rotatory simultaneously, make the second movable plate drive the fixing base that the connecting rod is connected and remove, adjust the area of contact on base and ground, thereby when ball valve body height improves, can increase the area of contact on base and ground, hoisting device is to the stability that the ball valve body supported, when ball valve body height reduces, can reduce the area of contact on base and ground, convenience of installation transports.

2. Through slider and spout sliding connection's mode, can be so that first movable plate more stable smooth and easy when removing in the lag, through connecting rod and opening sliding connection's mode, can be so that the second movable plate drives the stable smooth and easy removal of connecting rod, and through the extension board that sets up, more stable when can making the second threaded rod rotate.

Drawings

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

fig. 2 is a schematic view of the internal structure of the base, the protecting cover and the first moving plate of the present invention;

fig. 3 is an enlarged view of the region a of the present invention.

The meaning of the reference symbols in the figures:

1. a base; 11. a chamber; 12. a first threaded rod; 13. a first bevel gear; 14. a second bevel gear; 141. a support plate; 15. a second threaded rod; 16. a second moving plate; 161. a connecting rod; 162. a fixed seat; 17. an opening; 2. a first moving plate; 21. a slider; 3. a protective sleeve; 31. a chute; 32. a worm gear; 33. a worm; 331. a handle; 4. a ball valve body.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

The utility model provides a ball valve as shown in fig. 1-3, including base 1, the inside of base 1 is equipped with cavity 11, cavity 11 inner wall bottom rotates and is connected with first threaded rod 12, the top of first threaded rod 12 runs through base 1 and extends to outside threaded connection has first movable plate 2, the outside cover of first movable plate 2 is equipped with lag 3, the top of first movable plate 2 runs through lag 3 and extends to the external connection and has ball valve body 4, be equipped with the first bevel gear 13 with first threaded rod 12 coaxial coupling in the cavity 11, the outside circumference array meshing of first bevel gear 13 has a plurality of second bevel gears 14, each second bevel gear 14 middle part all runs through fixedly connected with second threaded rod 15, equal threaded connection has second movable plate 16 on each second threaded rod 15, the lateral wall of each second movable plate 16 all is equipped with connecting rod 161, the one end that each connecting rod 161 kept away from second movable plate 16 all runs through base 1 and extends to the external connection has fixing base 162; a driving piece is arranged below the first moving plate 2 in the protecting sleeve 3 and used for driving the first threaded rod 12 to rotate.

The inside wall symmetry of lag 3 is equipped with spout 31, and the bilateral symmetry of first movable plate 2 is equipped with slider 21, and the equal sliding connection of two sliders 21 is in the spout 31 that corresponds, through slider 21 and spout 31 sliding connection's mode, can be so that first movable plate 2 more stable smooth and easy when removing in lag 3.

Base 1 all is equipped with the opening 17 that is linked together with cavity 11 all around the lateral wall, and connecting rod 161 runs through opening 17 and sets up, and connecting rod 161 and opening 17 sliding connection, through connecting rod 161 and opening 17 sliding connection's mode, can make second movable plate 16 drive the stable smooth and easy removal of connecting rod 161.

One end of each second threaded rod 15, which is far away from the second bevel gear 14, is rotatably connected with the inner side wall of the chamber 11 through a bearing.

A support plate 141 rotatably connected with the second threaded rod 15 is arranged between each second bevel gear 14 and the second moving plate 16, the bottom end of each support plate 141 is fixedly connected with the bottom end of the inner wall of the chamber 11, and the second threaded rod 15 can be more stable in rotation through the support plates 141.

The driving piece comprises a worm wheel 32 and a worm 33 which are connected in a meshed mode, the worm wheel 32 is coaxially connected with the first threaded rod 12, and two ends of the worm 33 are rotatably connected with the inner side wall of the protecting sleeve 3.

One end of the worm 33 penetrates through the protective sleeve 3 and extends to the outside, and a handle 331 is connected to the outside, and the handle 331 is arranged to facilitate the operation of a user.

The utility model discloses theory of operation:

referring to the attached drawings 1-3 of the specification, when a user needs to use the device, the user rotates the handle 331 to drive the worm 33 to rotate, the worm 33 drives the worm wheel 32 to rotate, and further drives the first threaded rod 12 to rotate, the first threaded rod 12 drives the first moving plate 2 connected with the first threaded rod to lift in the rotation process, so as to drive the ball valve body 4 on the top end of the first moving plate 2 to lift, meanwhile, the first threaded rod 12 drives the first bevel gear 13 to rotate, the first bevel gear 13 drives the second bevel gears 14 connected with the first threaded rod in a meshed manner to rotate, and further drives the second threaded rod 15 to rotate, the second threaded rod drives the second moving plate 16 connected with the second threaded rod to move in the rotation process, the second moving plate 16 drives the connecting rod 161 to slide in the opening 17, so as to drive the fixing seat 162 to move, the fixing seat 162 is gradually away from the base 1 in the ascending process of the ball valve body 4, so as to increase the contact area between the base 1 and the ground, so as to improve the stability of the support of the ball valve body 4 by the device on the ball valve body 4, and in the descending process, the fixing seat 162 gradually approaches the base 1, so as to reduce the contact area between the base 1 and the ground, thereby reducing the space occupied by the base 1, and facilitating the transportation of the device.

Referring to the attached drawings 1-3 of the specification, when the device is used, the first moving plate 2 can move more stably and smoothly in the protecting sleeve 3 in a sliding connection mode of the sliding block 21 and the sliding groove 31, the second moving plate 16 can drive the connecting rod 161 to move stably and smoothly in a sliding connection mode of the connecting rod 161 and the opening 17, the second threaded rod 15 can be more stably rotated through the arranged supporting plate 141, and the operation of a user can be facilitated through the arranged handle 331.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims (7)

1. A ball valve, includes base (1), its characterized in that: a cavity (11) is arranged inside the base (1), the bottom end of the inner wall of the cavity (11) is rotatably connected with a first threaded rod (12), the top end of the first threaded rod (12) penetrates through the base (1) and extends to the outside to be connected with a first movable plate (2) in a threaded manner, a protective sleeve (3) is sleeved outside the first movable plate (2), the top end of the first movable plate (2) penetrates through the protective sleeve (3) and extends to the outside to be connected with a ball valve body (4), a first bevel gear (13) coaxially connected with the first threaded rod (12) is arranged in the cavity (11), a plurality of second bevel gears (14) are meshed in the circumferential array on the outer side of the first bevel gear (13), a second threaded rod (15) penetrates through the middle of each second bevel gear (14), a second movable plate (16) is in threaded connection with each second threaded rod (15), a connecting rod (161) is arranged on the side wall of each second movable plate (16), and one end, far away from the second movable plate (16), of each connecting rod (161) penetrates through the base (1) and extends to the outside to be connected with a fixed seat (162); and a driving piece is arranged below the first moving plate (2) in the protecting sleeve (3), and the driving piece is used for driving the first threaded rod (12) to rotate.

2. A ball valve according to claim 1, wherein: the inside wall symmetry of lag (3) is equipped with spout (31), the bilateral symmetry of first movable plate (2) is equipped with slider (21), two equal sliding connection of slider (21) is in spout (31) that correspond.

3. A ball valve according to claim 1, wherein: base (1) lateral wall all is equipped with opening (17) that are linked together with cavity (11) all around, connecting rod (161) run through opening (17) and set up, just connecting rod (161) and opening (17) sliding connection.

4. A ball valve according to claim 1, wherein: one end, far away from the second bevel gear (14), of each second threaded rod (15) is rotatably connected with the inner side wall of the cavity (11) through a bearing.

5. A ball valve according to claim 1, wherein: a support plate (141) rotatably connected with the second threaded rod (15) is arranged between each second bevel gear (14) and the second moving plate (16), and the bottom end of each support plate (141) is fixedly connected with the bottom end of the inner wall of the cavity (11).

6. A ball valve according to claim 1, wherein: the driving piece comprises a worm wheel (32) and a worm (33) which are connected in a meshed mode, the worm wheel (32) is coaxially connected with the first threaded rod (12), and two ends of the worm (33) are rotatably connected with the inner side wall of the protective sleeve (3).

7. A ball valve according to claim 6, wherein: one end of the worm (33) penetrates through the protective sleeve (3) and extends to the outside to be connected with a handle (331).

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