阅读说明：本技术 一种一体式球阀及其组装结构 (Integral type ball valve and package assembly thereof ) 是由 郭庆 凃士雄 凃志兴 于 2021-11-09 设计创作，主要内容包括：本发明提供了一种一体式球阀及其组装结构,其通过上装式结构,锥度契合,可在线对阀芯进行预紧或者更换,且将两端接头与阀体设计为一体式,方便管路的安装与拆除,降低了现场操作难度,有效的杜绝因施工造成的泄露。其包括：球阀本体；阀杆；阀球；阀杆的底部固装有阀球；球阀本体的两侧分别设置有侧凸连接头,每侧的侧凸连接头内有管路连通至阀球本体的阀腔,阀球本体内部设置有锥形安装腔,锥形安装腔为自上而下向中心收口的腔体结构；阀杆连同阀球自上而下插装入锥型安装腔内,阀球对应于阀腔的位置设置有直线流道,直线流道和阀腔连通时整个球阀为通路状态,直线流道和阀腔不连通时整个球阀为断路状态。(The invention provides an integrated ball valve and an assembly structure thereof, wherein the valve core can be pre-tightened or replaced on line by an upper assembly structure and the taper is matched, and the connectors at the two ends and the valve body are designed into an integrated structure, so that the pipeline is convenient to install and remove, the field operation difficulty is reduced, and the leakage caused by construction is effectively avoided. It includes: a ball valve body; a valve stem; a valve ball; a valve ball is fixedly arranged at the bottom of the valve rod; the two sides of the ball valve body are respectively provided with a side convex connector, a pipeline is arranged in each side convex connector and communicated to a valve cavity of the ball valve body, a conical installation cavity is arranged in the ball valve body, and the conical installation cavity is of a cavity structure which is closed towards the center from top to bottom; the valve rod and the valve ball are inserted into the conical mounting cavity from top to bottom, a linear flow passage is arranged at the position of the valve ball corresponding to the valve cavity, the whole ball valve is in a closed circuit state when the linear flow passage is communicated with the valve cavity, and the whole ball valve is in an open circuit state when the linear flow passage is not communicated with the valve cavity.)

1. An integral ball valve, comprising:

a ball valve body;

a valve stem;

a valve ball;

the valve ball is fixedly arranged at the bottom of the valve rod;

the ball valve comprises a ball valve body, a ball valve body and a ball valve seat, wherein two sides of the ball valve body are respectively provided with a side convex connector, a pipeline is arranged in each side convex connector and communicated to a valve cavity of the ball valve body, a conical installation cavity is arranged in the ball valve body, and the conical installation cavity is of a cavity structure which is closed towards the center from top to bottom;

the valve rod and the valve ball are inserted into the conical mounting cavity from top to bottom, a linear flow passage is arranged at the position of the valve ball corresponding to the valve cavity, the whole ball valve is in a closed circuit state when the linear flow passage is communicated with the valve cavity, and the whole ball valve is in an open circuit state when the linear flow passage is not communicated with the valve cavity;

the periphery of the valve rod, corresponding to the conical mounting cavity, is sleeved with a sealing structure, and the sealing structure is tightly attached to the corresponding cavity wall of the conical mounting cavity;

the top of the valve rod protrudes upwards from the ball valve body and is fixedly connected with a driving handle.

2. An integral ball valve as defined in claim 1 wherein: the valve ball is characterized by further comprising an upper cushion block and a lower cushion block, wherein the lower cushion block is supported at the bottom of the conical mounting cavity, the bottom of the valve ball is supported in a profiling ball groove of the lower cushion block, the upper cushion block is mounted on the peripheral surface of the upper portion of the valve ball, and the periphery of the upper cushion block is tightly attached to the cavity wall of the conical mounting cavity at the corresponding height position.

3. An integral ball valve as claimed in claim 1 or 2 wherein: the top of ball valve body is provided with the epirelief sleeve, the toper installation cavity runs through the epirelief sleeve and arranges, epirelief telescopic outer loop week is provided with the external screw thread structure, the telescopic inner wall that corresponds to the toper installation cavity of epirelief is provided with the interior tooth's socket that a plurality of direction of height arranged, upward be provided with supplementary cushion on the cushion, be provided with the locating piece on the supplementary cushion, the locating piece overlap admittedly in the corresponding high position of valve rod, the outer loop week of locating piece is provided with a plurality of location ring gears, and the location ring gear that corresponds inlays the dress in the interior tooth's socket that corresponds the height, and lock nut suit in the external screw thread structure.

4. The package assembly of integral type ball valve, its characterized in that: the ball valve comprises an integrated ball valve and a connecting plate according to claim 3, wherein a through positioning hole is formed in the connecting plate, an upper convex sleeve of the ball valve body penetrates through the through positioning hole, the upper surface of the ball valve body is arranged in a manner of being attached to the corresponding surface of the connecting plate, a locking nut is fixedly sleeved on the upper convex sleeve and is pressed on the other surface of the connecting plate, external thread interfaces are arranged on the peripheries of the two side convex connectors, each side convex connector is provided with a pipeline locking nut, the pipeline locking nut is sleeved on the periphery of the corresponding pipeline, and the pipeline locking nut is in threaded fastening connection with the external thread interfaces after the inner end of the corresponding pipeline is inserted into an inner cavity of the side convex connector; the connecting plate facilitates the whole integrated ball valve to be fixedly arranged on the installation base body.

Technical Field

The invention relates to the technical field of ball valve structures, in particular to an integrated ball valve, and further provides an assembling structure of the integrated ball valve.

Background

Among the existing instrument ball valves, the floating ball valve is the most commonly used structure, is widely applied to petroleum refining, chemical industry, paper making, pharmacy, water conservancy, electric power and steel industry, and plays a significant role in national economy. The structure principle is that the valve core is extruded by the connection of the lateral sides of the two ends and the threads of the valve body, and then the valve rod is rotated to control the opening and closing. This technology is well established and widely accepted and used in many industrial plumbing lines. There are still two problems to be improved: the edge sides of the two ends are connected with the valve body through threads, so that the risk of leakage exists; two, both ends avris pass through threaded connection, when the installation pipeline or change the tube coupling, because operating personnel's technical merit and cognitive problem, when dismantling the pipeline, can lead to the fact the not hard up risk of avris end screw thread jointly, need certain operation technical merit.

Disclosure of Invention

Aiming at the problems, the invention provides an integrated ball valve which can pre-tighten or replace a valve core on line through an upper-mounted structure and the taper fit, and the connectors at the two ends and a valve body are designed into an integrated structure, so that the pipeline is convenient to install and remove, the field operation difficulty is reduced, and the leakage caused by construction is effectively avoided.

An integral ball valve, comprising:

a ball valve body;

a valve stem;

a valve ball;

the valve ball is fixedly arranged at the bottom of the valve rod;

the ball valve comprises a ball valve body, a ball valve body and a ball valve seat, wherein two sides of the ball valve body are respectively provided with a side convex connector, a pipeline is arranged in each side convex connector and communicated to a valve cavity of the ball valve body, a conical installation cavity is arranged in the ball valve body, and the conical installation cavity is of a cavity structure which is closed towards the center from top to bottom;

the valve rod and the valve ball are inserted into the conical mounting cavity from top to bottom, a linear flow passage is arranged at the position of the valve ball corresponding to the valve cavity, the whole ball valve is in a closed circuit state when the linear flow passage is communicated with the valve cavity, and the whole ball valve is in an open circuit state when the linear flow passage is not communicated with the valve cavity;

the periphery of the valve rod, corresponding to the conical mounting cavity, is sleeved with a sealing structure, and the sealing structure is tightly attached to the corresponding cavity wall of the conical mounting cavity;

the top of the valve rod protrudes upwards from the ball valve body and is fixedly connected with a driving handle.

It is further characterized in that:

the valve ball is characterized by also comprising an upper cushion block and a lower cushion block, wherein the lower cushion block is supported at the bottom of the conical mounting cavity, the bottom of the valve ball is supported in a profiling ball groove of the lower cushion block, the upper cushion block is mounted on the peripheral surface of the upper part of the valve ball, and the periphery of the upper cushion block is tightly attached to the cavity wall of the conical mounting cavity at the corresponding height position;

the ball valve comprises a ball valve body, and is characterized in that an upper convex sleeve is arranged at the top of the ball valve body, a conical mounting cavity is arranged by penetrating through the upper convex sleeve, an external thread structure is arranged on the periphery of an outer ring of the upper convex sleeve, a plurality of internal tooth grooves distributed in the height direction are arranged on the inner wall, corresponding to the conical mounting cavity, of the upper convex sleeve, an auxiliary cushion block is arranged on the upper cushion block, a positioning block is arranged on the auxiliary cushion block, the positioning block is fixedly sleeved at the corresponding height position of a valve rod, a plurality of positioning gear rings are arranged on the periphery of the outer ring of the positioning block, the corresponding positioning gear rings are embedded in the internal tooth grooves in the corresponding height direction, and a locking nut is sleeved on the external thread structure, so that the position of the valve rod in the height direction is stable and reliable; the arrangement of the positioning gear ring and the inner tooth groove enables the valve rod to rotate freely without generating height direction position;

be provided with first sealing washer between fixed block and the supplementary cushion, be provided with the second sealing washer between supplementary cushion and the last cushion, the corresponding chamber wall of toper installation cavity is hugged closely respectively to the outer wall of first sealing washer, second sealing washer, ensures sealed operation.

The package assembly of integral type ball valve, its characterized in that: the ball valve comprises an integrated ball valve and a connecting plate, wherein a through positioning hole is formed in the connecting plate, an upper convex sleeve of a ball valve body penetrates through the through positioning hole, the upper surface of the ball valve body is arranged in a manner of being attached to the corresponding surface of the connecting plate, a locking nut is fixedly sleeved on the upper convex sleeve and is pressed on the other surface of the connecting plate, external thread interfaces are arranged on the peripheries of two side convex connectors, each side convex connector is provided with a pipeline locking nut, the pipeline locking nut is sleeved on the periphery of the corresponding pipeline, and the pipeline locking nut is in threaded fastening connection with the external thread interfaces after the inner end of the corresponding pipeline is inserted into the inner cavity of the side convex connector; the connecting plate facilitates the whole integrated ball valve to be fixedly arranged on the installation base body.

After the structure of the invention is adopted, the valve ball and the valve rod are arranged in the conical mounting cavity from top to bottom, the upper mounting structure is matched with the conical degree, the valve core can be pre-tightened or replaced on line, and the joints at the two ends and the valve body are designed into a whole, so that the pipeline is convenient to mount and dismount, the field operation difficulty is reduced, and the leakage caused by construction is effectively avoided.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a sectional view (passage state) of the present invention;

FIG. 3 is a front view of the assembled structure of the one-piece ball valve of the present invention (not assembled with the pipeline);

FIG. 4 is a front view of the assembled structure of the one-piece ball valve of the present invention (assembled with the pipeline);

FIG. 5 is a schematic right side view of the structure of FIG. 4;

the names corresponding to the sequence numbers in the figure are as follows:

the ball valve comprises a ball valve body 10, a side convex connector 11, an external thread interface 111, a pipeline 12, a valve cavity 13, a conical installation cavity 14, an upper convex sleeve 15, an external thread structure 16, an internal tooth groove 17, a valve rod 20, a valve ball 30, a linear flow channel 31, a driving handle 40, an upper cushion block 50, a lower cushion block 60, an auxiliary cushion block 70, a positioning block 80, a positioning gear ring 81, a locking nut 90, a first sealing ring 100 and a second sealing ring 110.

Detailed Description

An integral ball valve, see fig. 1-2, comprising a ball valve body 10, a valve stem 20, a valve ball 30;

a valve ball 30 is fixedly arranged at the bottom of the valve rod 20;

the two sides of the ball valve body 10 are respectively provided with a side convex connector 11, a pipeline 12 is arranged in the side convex connector 11 at each side and communicated to a valve cavity 13 of the ball valve body 10, a conical installation cavity 14 is arranged in the ball valve body 10, and the conical installation cavity 14 is of a cavity structure which is closed towards the center from top to bottom;

the valve rod 20 and the valve ball 30 are inserted into the conical mounting cavity 14 from top to bottom, a linear flow passage 31 is arranged at a position of the valve ball 30 corresponding to the valve cavity 13, the whole ball valve is in a closed state when the linear flow passage 31 is communicated with the valve cavity 13, and the whole ball valve is in an open state when the linear flow passage 31 is not communicated with the valve cavity 13;

the periphery of the valve rod 20 corresponding to the conical mounting cavity 14 is sleeved with a sealing structure, and the sealing structure is tightly attached to the corresponding cavity wall of the conical mounting cavity 14;

the top of the valve stem 20 is protruded on the ball valve body 10 and is fixedly connected with a driving handle 40.

In the specific implementation: the valve ball is characterized by further comprising an upper cushion block 50 and a lower cushion block 60, wherein the lower cushion block 60 is supported at the bottom of the conical mounting cavity 14, the bottom of the valve ball 30 is supported in a profiling ball groove of the lower cushion block 60, the upper cushion block 50 is mounted on the peripheral surface of the upper part of the valve ball 30, and the periphery of the upper cushion block 50 is tightly attached to the cavity wall of the conical mounting cavity 14 at the position corresponding to the height; the upper cushion block 50 and the lower cushion block 60 are formed by splicing and assembling respectively, the valve ball 30 can rotate relative to the upper cushion block 50 and the lower cushion block 60, and the positions of the upper cushion block 50 and the lower cushion block 60 are fixedly arranged;

an upper convex sleeve 15 is arranged at the top of the ball valve body 10, a conical mounting cavity 14 is arranged by penetrating through the upper convex sleeve 15, an external thread structure 16 is arranged on the periphery of the outer ring of the upper convex sleeve 15, a plurality of internal tooth grooves 17 distributed in the height direction are arranged on the inner wall, corresponding to the conical mounting cavity 14, of the upper convex sleeve 15, an auxiliary cushion block 70 is arranged on the upper cushion block 60, a positioning block 80 is arranged on the auxiliary cushion block 70, the positioning block 80 is fixedly sleeved at the corresponding height position of the valve rod 20, a plurality of positioning gear rings 81 are arranged on the periphery of the outer ring of the positioning block 80, the corresponding positioning gear rings 81 are embedded in the internal tooth grooves 17 with the corresponding heights, and a locking nut 90 is sleeved on the external thread structure 16, so that the position of the valve rod 20 in the height direction is stable and reliable; the positioning gear ring 81 and the internal tooth grooves 17 are arranged so that the valve rod 20 can rotate freely and the position in the height direction cannot occur;

a first sealing ring 100 is arranged between the fixing block 80 and the auxiliary cushion block 70, a second sealing ring 110 is arranged between the auxiliary cushion block 70 and the upper cushion block 50, and the outer walls of the first sealing ring 100 and the second sealing ring 110 are respectively tightly attached to the corresponding cavity walls of the conical mounting cavity, so that sealing operation is ensured.

In specific implementation, the side convex connectors 11 and the valve cavity 13 on the two sides are arranged on the same straight line.

The assembly structure of the integrated ball valve is shown in figures 3-5: the pipeline locking device comprises an integrated ball valve and a corresponding connecting plate 200, wherein a through positioning hole is formed in the connecting plate 200, an upper convex sleeve 15 of a ball valve body 10 penetrates through the through positioning hole, the upper surface of the ball valve body 10 is arranged in a manner of being attached to the corresponding surface of the connecting plate 200, a locking nut 90 is fixedly sleeved on the upper convex sleeve 15 and is pressed on the other surface of the connecting plate 200, external thread interfaces 111 are arranged on the peripheries of two side convex connectors 11, each side convex connector 11 is provided with a pipeline locking nut 300, the pipeline locking nut 300 is sleeved on the periphery of a corresponding pipeline 400, and after the inner end of the corresponding pipeline 400 is inserted into an inner cavity of the side convex connector 11, the pipeline locking nut 300 is in threaded fastening connection with the external thread interfaces 111; the connection plate 200 facilitates the entire integrated ball valve to be fixedly mounted to the mounting base.

In specific implementation, the surface area of the connecting plate 200 is provided with corresponding positioning holes (not shown in the figures, and designed and manufactured according to requirements), so that the connecting plate is convenient to fixedly install; and a sealing O-shaped ring is arranged at the pressure attachment joint of the pipeline locking nut 300 and the external thread interface 111, and the sealing O-shaped ring is sleeved on the outer circumference of the pipeline 400, so that the reliable sealing of the joint is ensured.

The working principle is as follows: the valve ball and the valve rod are mounted in the conical mounting cavity from top to bottom, the valve ball and the valve rod are mounted in the conical mounting cavity, the valve core can be pre-tightened or replaced on line due to the fact that the conical degree is matched, the two end connectors and the valve body are designed to be integrated, the pipeline is convenient to mount and dismount, the field operation difficulty is reduced, and leakage caused by construction is effectively avoided.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.