CN219139892U

CN219139892U - Combined ball valve

Info

Publication number: CN219139892U
Application number: CN202223385125.XU
Authority: CN
Inventors: 黄纪忠
Original assignee: LISHUI GUODA VALVE CO Ltd
Current assignee: LISHUI GUODA VALVE CO Ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-06-06
Anticipated expiration: 2032-12-16

Abstract

The utility model discloses a combined ball valve, which adopts the technical scheme that the combined ball valve comprises a valve body, a rubber sleeve, a valve hand, a handle, a square hole, a fixing hole, a hand screw bolt, a valve rod body, a square block, a threaded hole, a clamping ring, a gland, a fixing body, a clamping seat, a ball body, a channel, a pipe orifice, a bolt, a fixing plate, a sealing ring, a swivel base and a rotating rod. The valve hand arranged in the combined ball valve is arranged on the upper part of the valve rod, and the spanner is reduced to be used by screwing the bolt by hand, so that the separation of the valve hand and the ball valve is realized, and the valve is convenient to use in specific occasions; the sealing ring is provided with the bolt, and when the ball valve is maintained, the bolt is screwed inwards, so that the sealing ring is tightly attached to the ball body, water leakage is avoided, the service life of the ball valve can be prolonged, and the ball valve is prevented from being scrapped.

Description

Combined ball valve

Technical Field

The utility model belongs to the field of ball valves, and relates to a combined ball valve.

Background

The ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline and has the characteristics of small fluid resistance, basically no flow resistance of the ball valve with full diameter, simple structure, small volume, light weight, compactness, reliability, convenient operation and quick opening and closing.

When the ball valve works, the opening and closing of the pipeline are realized through the rotation of the ball body, and the ball body can rub with the sealing rings at the side edges in the rotation process, so that the sealing rings are worn, the tightness is reduced, and the water leakage is easy to occur; in a specific use occasion, after the valve hand is operated by the ball valve, the valve hand needs to be disassembled, so that other personnel are prevented from starting or closing the ball valve, the valve hand is fixed above the valve rod through bolts, and the wrench also needs to be disassembled, so that inconvenience is caused.

Disclosure of Invention

In view of the problems existing in the prior art, the technical scheme adopted by the utility model is as follows: the valve comprises a valve body, wherein a valve rod is rotatably arranged at the upper part of the valve body, a square block is arranged at the upper part of the valve rod, a valve hand is arranged on the square block through a hand-screwed bolt, pipe orifices are respectively connected at two ends of the valve body in a threaded manner, a sealing ring is arranged on the inner side of each pipe orifice, a fixing plate is fixedly arranged in the middle of the inner wall of each pipe orifice, a bolt is arranged on each fixing plate, the inner end of each bolt is tightly propped against the sealing ring, and the valve body is made of cast iron and has the characteristics of easiness in casting and high strength; the inner end surface of the sealing ring is attached to the outer side surface of the sphere, and the sealing ring is made of copper material and is corrosion-resistant; the length of the hand-screwed part of the hand-screwed bolt is long.

As a preferable scheme of the utility model, the valve rod comprises a valve rod body, the upper part of the valve rod body is provided with a square block, the middle part of the outer side of the circumference of the valve rod body is provided with a clamping ring, the lower part of the valve rod body is provided with a clamping block, the front side of the square block is provided with a threaded hole, the valve rod is made of stainless steel materials, the outer side corners of the square block are provided with arc corners, and the threads of the threaded hole on the front side of the square block are correspondingly matched with the external threads of a hand-screwed bolt.

As a preferable scheme of the utility model, the valve hand comprises a handle, a square hole is formed in the front portion of the handle, a fixing hole is formed in the side edge of the front portion of the handle, an anti-slip block is arranged above the handle, the corners of the anti-slip block are arc corners, and the anti-slip block is in a high-low fluctuation shape, so that the pressure intensity of the valve hand with an arm can be increased, and the valve hand is prevented from being taken off.

As a preferable scheme of the utility model, the valve rod is rotatably arranged on the inner side of the fixed body, the fixed body is arranged on the upper end inside the valve body through the gland, the gland is in threaded connection with the inner wall of the upper end of the valve body, the upper part of the inner side of the fixed body is provided with a round platform, and a clamping ring is arranged in the original platform and used for limiting the descending height of the valve rod.

As a preferable scheme of the utility model, the clamping block is arranged on the upper part of the clamping seat, the clamping seat is fixedly arranged on the upper part of the sphere, the lower part of the sphere is fixedly provided with the rotating rod, the rotating rod is rotatably arranged on the rotating seat, the rotating seat is fixedly arranged in the middle part of the inner side of the valve body, and the rotating rod is made of stainless steel and can be applied to a humid environment for a long time.

As a preferable scheme of the utility model, the outer side of the valve hand is wrapped with the rubber sleeve, the rubber sleeve is attached to the outer part of the valve hand, the upper part of the rubber sleeve is provided with a height fluctuation part which is attached to the anti-skid block, and the corners of the rubber strip are rounded.

As a preferable scheme of the utility model, the middle part of the sphere is provided with a channel, the caliber of the channel is smaller than that of a runner in the valve body, and the channel is used for realizing on-off of fluid in the pipeline and controlling the flow speed.

As a preferable scheme of the utility model, the step hole at the outer end of the pipe orifice is provided with an internal thread, the step hole is used for connecting a pipeline, and the internal thread is correspondingly matched with the external thread at the outer part of the pipeline to realize bolt connection.

The combined ball valve has the beneficial effects that: the valve hand arranged in the combined ball valve is arranged on the upper part of the valve rod, and the spanner is reduced to be used by screwing the bolt by hand, so that the separation of the valve hand and the ball valve is realized, and the valve is convenient to use in specific occasions;

the sealing ring is provided with the bolt, and when the ball valve is maintained, the bolt is screwed inwards, so that the sealing ring is tightly attached to the ball body, water leakage is avoided, the service life of the ball valve can be prolonged, and the ball valve is prevented from being scrapped.

Drawings

FIG. 1 is a diagram of the overall structure of a combination ball valve of the present disclosure;

FIG. 2 is a block diagram of a valve stem of a combination ball valve according to the present disclosure;

FIG. 3 is a diagram of a valve handle of a combination ball valve according to the present disclosure;

in the figure: 1-valve body, 2-rubber sleeve, 3-valve hand, 301-handle, 302-square hole, 303-fixed hole, 4-hand screw bolt, 5-valve rod, 501-valve rod body, 502-square block, 503-threaded hole, 504-snap ring, 6-gland, 7-fixed body, 8-cassette, 9-sphere, 901-channel, 10-pipe orifice, 11-bolt, 12-fixed plate, 13-sealing ring, 14-swivel seat, 15-swivel rod.

Detailed Description

As shown in fig. 1 to 3, the utility model discloses a combined ball valve, which adopts the technical scheme that the combined ball valve comprises a valve body 1, wherein a valve rod 5 is rotatably arranged at the upper part of the valve body 1, a square block 502 is arranged at the upper part of the valve rod 5, a valve hand 3 is arranged on the square block 502 through a hand-screwed bolt 4, two ends of the valve body 1 are respectively connected with a pipe orifice 10 in a threaded manner, a sealing ring 13 is arranged at the inner side of the pipe orifice 10, a fixed plate 12 is fixedly arranged in the middle part of the inner wall of the pipe orifice 10, a bolt 11 is arranged on the fixed plate 12, the inner end of the bolt 11 is tightly propped against the sealing ring 13, the valve hand 3 arranged in the combined ball valve is arranged at the upper part of the valve rod 5, and the use of a spanner is reduced through the hand-screwed bolt 4, so that the separation of the valve hand 7 and the ball valve is convenient to use in specific occasions; the bolt 11 is arranged at the sealing ring 13, and when the ball valve is maintained, the sealing ring 13 is tightly attached to the ball 9 by screwing the bolt 11 inwards, so that water leakage is avoided, the service life of the ball valve can be prolonged, and the ball valve is prevented from being scrapped.

The valve rod 5 includes the valve rod body 501, and valve rod body 501 upper portion sets up to square piece 502, and valve rod body 501 circumference outside middle part is provided with snap ring 504, and valve rod body 501 lower part sets up to fixture block 505, and square piece 502 front side is provided with screw hole 503, and square piece 502 of setting is used for cooperating the installation of valve hand 3, and snap ring 504 is used for prescribing a limit to the lateral shifting of valve rod 5, and screw hole 503 is used for connecting hand screw bolt 4.

The valve hand 3 comprises a handle 301, a square hole 302 is formed in the front portion of the handle 301, a fixing hole 303 is formed in the side edge of the front portion of the handle 301, the square hole 302 in the front portion of the handle 301 is used for being fixed to the outer side of a square block 502 on the upper portion of a valve rod body 501, and the fixing hole 303 is used for enabling a hand to screw through a bolt 4, so that the valve hand 3 is fixed.

The valve rod 5 rotates the inboard of installing in the fixed body 7, and the fixed body 7 passes through gland 6 to be installed in the inside upper end of valve body 1, and gland 6 threaded connection is in valve body 1 upper end inner wall, and gland 6 makes the fixed body 1 fix inside valve body 1 through screwing for the up-and-down motion of restriction fixed body 7.

The fixture block 505 is installed in cassette 8 upper portion, cassette 8 fixed mounting in spheroid 9 upper portion, spheroid 9 lower part fixed mounting has bull stick 15, bull stick 15 rotation install in swivel mount 14, swivel mount 14 fixed mounting is in valve body 1 inboard middle part, and valve rod 5 is connected to cassette 8, through the rotation of valve rod 5, drives the rotation of spheroid 9, and the rotation of valve rod 11 is used for keeping the steady rotation of spheroid 9.

The rubber sleeve 2 is wrapped on the outer side of the valve hand 3, and the rubber sleeve 2 is made of soft materials, so that the palm of the hand can be protected, and the palm of the hand is prevented from being cut when the valve hand 3 is tightly held.

The middle part of the sphere 9 is provided with a channel 901, the sphere 9 rotates through rotation, the channel 901 is communicated with a flow channel in the valve body 1, the communication of a pipeline is realized, the channel 901 is disconnected with the flow channel in the valve body 1, and the closing of the pipeline is realized.

The stepped hole at the outer end of the pipe orifice 10 is provided with internal threads, and the internal threads correspond to the external threads at the outer end of the pipe, so that the pipe can be connected.

The utility model relates to a combined ball valve working principle: when the combined ball valve is assembled, the ball 9 is arranged in the valve body 1, the rotary rod 15 is arranged in the rotary seat 14, the fixed body 7 is arranged on the inner side of the upper part of the valve body 1, the valve rod 5 is arranged in the fixed body 7, the clamping ring 504 is clamped into a round platform on the upper part of the inner side of the fixed body 7, the clamping block 505 on the lower part of the valve rod 5 is clamped into the clamping seat 8 on the upper part of the ball 9, the fixed body 7 is fixed by using the gland 6, the two sealing rings 13 are respectively arranged at two ends of the inner part of the valve body 1, the pipe orifice 10 is aligned with threads at two ends of the valve body 1, the pipe orifice is screwed, the bolt 11 is screwed by using a spanner, the sealing ring 13 is tightly propped against the outer side of the ball 9, the valve hand 3 is placed on the outer side of the square block 502 on the upper part of the valve rod 5, and the assembly is completed by using the manual screwing bolt, and the combined ball valve can be used; when the ball valve is used, the valve handle 3 is rotated, the valve rod 5 is rotated, the clamping seat 8 is rotated, the ball 9 is driven to rotate by 90 degrees, the channel 901 is communicated with or disconnected from the flow channel in the valve body 1, and the opening and closing of the ball valve are realized.

Although the specific embodiments of the present utility model have been described in detail, the present utility model is not limited to the above embodiments, and various changes and modifications without inventive labor may be made within the scope of the present utility model without departing from the spirit of the present utility model, which is within the scope of the present utility model.

Claims

1. A combination ball valve, characterized in that: including valve body (1), valve rod (5) are installed in upper portion rotation of valve body (1), the upper portion of valve rod (5) is provided with square piece (502), valve hand (3) are installed through hand screw bolt (4) square piece (502), valve body (1) both ends threaded connection respectively have mouth of pipe (10), sealing ring (13) are installed to mouth of pipe (10) inboard, mouth of pipe (10) inner wall middle part fixed mounting has fixed plate (12), bolt (11) are installed to fixed plate (12), bolt (11) inner top is tightly in sealing ring (13).

2. A combination ball valve as defined in claim 1, wherein: the valve rod (5) comprises a valve rod body (501), the upper portion of the valve rod body (501) is provided with a square block (502), the middle part of the outer circumference of the valve rod body (501) is provided with a clamping ring (504), the lower portion of the valve rod body (501) is provided with a clamping block (505), and the front side of the square block (502) is provided with a threaded hole (503).

3. A combination ball valve as defined in claim 1, wherein: the valve hand (3) comprises a handle (301), a square hole (302) is formed in the front portion of the handle (301), and fixing holes (303) are formed in the side edges of the front portion of the handle (301).

4. A combination ball valve as defined in claim 2, wherein: the valve rod (5) is rotatably arranged on the inner side of the fixed body (7), the fixed body (7) is arranged at the upper end inside the valve body (1) through the gland (6), and the gland (6) is in threaded connection with the inner wall of the upper end of the valve body (1).

5. A combination ball valve as defined in claim 2, wherein: the clamping block (505) is arranged on the upper portion of the clamping seat (8), the clamping seat (8) is fixedly arranged on the upper portion of the ball body (9), the rotating rod (15) is fixedly arranged on the lower portion of the ball body (9), the rotating rod (15) is rotatably arranged on the rotating seat (14), and the rotating seat (14) is fixedly arranged on the middle portion of the inner side of the valve body (1).

6. A combination ball valve as defined in claim 1, wherein: the outside of the valve hand (3) is wrapped with a rubber sleeve (2).

7. A combination ball valve as defined in claim 5, wherein: a channel (901) is arranged in the middle of the sphere (9).

8. A combination ball valve as defined in claim 1, wherein: the stepped hole at the outer end of the inner part of the pipe orifice (10) is provided with an internal thread.