CN210739460U

CN210739460U - Combined ball valve

Info

Publication number: CN210739460U
Application number: CN201921743996.XU
Authority: CN
Inventors: 司强
Original assignee: Zhangjiagang Kerun Low Temperature Valve Co Ltd
Current assignee: Zhangjiagang Kerun Low Temperature Valve Co Ltd
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-06-12
Anticipated expiration: 2029-10-17

Abstract

The utility model discloses a combined ball valve, which comprises a valve body, the valve body includes inlet tube and outlet pipe, be provided with the play water cavity that the water supply liquid passes through in the outlet pipe, it divide into two sets of conducting cavities through the spacer block to go out the water cavity, the inside spherical rotation chamber that is equipped with that digs of spacer block, the opening and closing part top is fixed with the valve rod, the outlet pipe top is fixed with solid fixed ring, the one end of valve rod is passed outlet pipe and solid fixed ring and is stretched out, and stretches out the end and install the rotating block, the inlet tube is installed in outlet pipe bottom middle section department, the inside intake antrum that is provided with of inlet tube, the intake antrum and the spacer block bottom intercommunication chamber intercommunication of inlet tube, the inside. This combination formula ball valve, reasonable in design can realize multiple functions through a set of ball valve, avoids installing multiunit valve on a set of pipeline, has reduced installation cost, is fit for using widely.

Description

Combined ball valve

Technical Field

The utility model belongs to the technical field of the ball valve, concretely relates to modular ball valve.

Background

The opening and closing piece of the ball valve is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like.

The existing ball valve has single function, and when the pipeline needs to realize throttling, stopping, non-return and reversing flow distribution, the functions need to be realized through a plurality of groups of valves, so that the cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modular ball valve 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: a combined ball valve comprises a valve body, wherein the valve body comprises a water inlet pipe and a water outlet pipe, a water outlet cavity for water to pass through is arranged in the water outlet pipe, the water outlet cavity is divided into two groups of conducting cavities by a separation block, a spherical rotating cavity is dug in the separation block, a communicating cavity communicated with the rotating cavity in a T shape is dug in the separation block, two ends of the communicating cavity are respectively communicated with the two groups of conducting cavities, an opening and closing piece is arranged in the rotating cavity, an L-shaped communicating cavity for water to pass through is arranged in the opening and closing piece, a sealing gasket is arranged on the outer side edge of the opening and closing piece, a valve rod is fixed at the top of the opening and closing piece, a fixing ring is fixed at the top of the water outlet pipe, one end of the valve rod penetrates through the water outlet pipe and the fixing ring to extend out, a rotating block is installed at the, the water inlet cavity of the water inlet pipe is communicated with the communicating cavity at the bottom of the isolating block, and the non-return structure and the buffer layer are sequentially arranged inside the water inlet pipe from top to bottom.

Preferably, the non return structure includes mount, slide bar, cooperation piece, non return spring, fixed block and non return piece, the fixed block is fixed in the intake antrum of inlet tube, the below of fixed block is provided with the criss-cross mount, it is equipped with the limbers to dig on the fixed block, the slide bar is established to the slip cap on the mount, the limbers is passed to the one end of slide bar, and passes the one end of limbers and install the non return piece, the other end of slide bar is fixed with discoid cooperation piece, be provided with the non return spring between cooperation piece and the mount.

Preferably, the limbers and the non-return blocks are in an inverted funnel shape, and a sealing gasket is arranged on one side of the limbers connected with the non-return blocks.

Preferably, the buffer layer includes first buffer block and second buffer block, first buffer block oval column structure, the second buffer block is the quadrangular column structure, first buffer block and second buffer block are all passing through the chamber equidistance staggered arrangement.

Preferably, the turning block is close to solid fixed ring's one end vertical fixation has the pointer, gu fixed ring top outer fringe is carved with the scale mark, and the pointed position of pointer when zero scale mark is closed for the valve, and the scale mark outwards is fan-shaped dispersion and symmetric distribution by zero scale mark.

The utility model discloses a technological effect and advantage: this combination formula ball valve, through the opening and closing piece and the inside T style of calligraphy intercommunication chamber of spacing block of the inside L type passageway that sets up by inlet tube and outlet pipe and inlet tube that sets up, can be to realizing the inside fluidic switching-over in the course of the work, throttle and end, through the non return structure that sets up, mount in the non return structure, the slide bar, the cooperation piece, the non return spring, cooperation between fixed block and the non return piece, can play the effect of preventing flowing backwards, avoid liquid reflux, through the buffer layer that sets up, first buffer block and second buffer block in the buffer layer can play the cushioning effect of removal when water pressure is great. This combination formula ball valve, reasonable in design can realize multiple functions through a set of ball valve, avoids installing multiunit valve on a set of pipeline, has reduced installation cost, is fit for using widely.

Drawings

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

FIG. 2 is a cross-sectional view of the water inlet pipe of the present invention with one end connected;

fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: the water inlet valve comprises a valve body 1, a water outlet pipe 2, a water inlet pipe 3, a water outlet cavity 4, a water inlet cavity 5, a buffer layer 6, a first buffer block 7, a second buffer block 8, a starting and closing part 9, a valve rod 10, a fixed ring 11, a rotating block 12, a pointer 13, a check structure 14, a fixed frame 15, a sliding rod 16, a matching block 161, a check spring 17, a fixed block 18 and a check block 19.

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.

The utility model provides a combined ball valve as shown in figures 1-3, which comprises a valve body 1, wherein the valve body 1 comprises a water inlet pipe 3 and a water outlet pipe 2, a water outlet cavity 4 for water to pass through is arranged in the water outlet pipe 2, the water outlet cavity 4 is divided into two groups of conducting cavities through a separation block, a spherical rotating cavity is dug in the separation block, a communicating cavity communicated with the rotating cavity in a T shape is dug in the separation block, two ends of the communicating cavity are respectively communicated with the two groups of conducting cavities, an opening and closing part 9 is arranged in the rotating cavity, an L-shaped communicating cavity for water to pass through is arranged in the opening and closing part 9, a sealing gasket is arranged on the outer side edge of the opening and closing part 9, a valve rod 10 is fixed at the top of the opening and closing part 9, a fixing ring 11 is fixed at the top of the water outlet pipe 2, one end of the valve rod 10 passes through, and stretch out the end and install turning block 12, inlet tube 3 is installed in 2 bottom middle parts of outlet pipe, the inside inlet chamber 5 that is provided with of inlet tube 3, the inlet chamber 5 and the spacing block bottom intercommunication chamber intercommunication of inlet tube 3, the inside top-down of inlet tube 3 has set gradually non return structure 14 and buffer layer 6.

Specifically, non return structure 14 includes mount 15, slide bar 16, cooperation piece 161, non return spring 17, fixed block 18 and non return piece 19, non return structure 14 can avoid the fluid backward flow, fixed block 18 is fixed in the intake antrum 5 of inlet tube 3, the below of fixed block 18 is provided with criss-cross mount 15, it is equipped with the limbers to dig on the fixed block 18, slide bar 16 is established to the slip cap on the mount 15, the limbers is passed to the one end of slide bar 16, and the one end that passes the limbers installs non return piece 19, the other end of slide bar 16 is fixed with discoid cooperation piece 161, be provided with non return spring 17 between cooperation piece 161 and the mount 15.

Specifically, the limbers and the non-return block 19 are both inverted funnel-shaped, and a sealing gasket is arranged on one side of the limbers connected with the non-return block 19.

Specifically, buffer layer 6 includes first buffer block 7 and second buffer block 8, buffer layer 6 can play the effect of dispersion water pressure, 7 oval column structures of first buffer block, second buffer block 8 is quadrangular column structure, first buffer block 7 and second buffer block 8 are all passing through the equidistant staggered arrangement in chamber.

Specifically, the one end vertical fixation that turning block 12 is close to solid fixed ring 11 has pointer 13, gu fixed ring 11 top outer fringe is carved and is equipped with the scale mark, and pointer 13 directive position when zero scale mark is closed for the valve, the setting of pointer 13 and scale mark can make things convenient for control flap's flow, and the scale mark outwards is fan-shaped and symmetric distribution by zero scale mark, marks the figure that has the flow size on the scale mark.

Specifically, this combination formula ball valve, in operation, water liquid loops through buffer layer 6 and non return structure 14, it removes to drive non return piece 19 when passing through non return structure 14, it removes and then makes non return spring 17 shrink to drive slide bar 16 when non return piece 19 removes simultaneously, when needing the fluid switching-over, rotation turning block 12, it rotates to drive valve rod 10 through the rotation of turning block 12, and then make opening and closing member 9 rotate, through opening and closing member 9 rotation, and then make the one end of opening and closing member 9 communicate with the one end of outlet pipe 2, and then make the switching-over of fluid, through the cooperation of scale mark on the solid fixed ring 11 and pointer 13 on the turning block 12, can conveniently observe the size of valve regulated flow, when the fluid water conservancy diversion, non return spring 17 drives the slide bar and removes, and then make non return piece 19 press and resume the normal position on fixed block 18, and then avoid the fluid backward flow. This combination formula ball valve, reasonable in design can realize multiple functions through a set of ball valve, avoids installing multiunit valve on a set of pipeline, has reduced installation cost, is fit for using widely.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A combined ball valve comprises a valve body (1), and is characterized in that: the valve body (1) comprises a water inlet pipe (3) and a water outlet pipe (2), a water outlet cavity (4) for water to pass through is arranged in the water outlet pipe (2), the water outlet cavity (4) is divided into two groups of conducting cavities through a partition block, a spherical rotating cavity is dug inside the partition block, a communicating cavity communicated with the rotating cavity in a T shape is dug inside the partition block, two ends of the communicating cavity are respectively communicated with the two groups of conducting cavities, an opening and closing piece (9) is arranged inside the rotating cavity, an L-shaped through cavity for water to pass through is arranged inside the opening and closing piece (9), a sealing gasket is arranged on the outer side edge of the opening and closing piece (9), a valve rod (10) is fixed at the top of the opening and closing piece (9), a fixing ring (11) is fixed at the top of the water outlet pipe (2), one end of the valve rod (10) passes through the water outlet pipe (2, and stretch out the end and install turning block (12), install in outlet pipe (2) bottom middle part department inlet tube (3), inlet chamber (5) are provided with to inlet tube (3) inside, inlet chamber (5) and the insulating block bottom intercommunication chamber intercommunication of inlet tube (3), the inside top-down of inlet tube (3) has set gradually non return structure (14) and buffer layer (6).

2. A modular ball valve according to claim 1, wherein: non return structure (14) are including mount (15), sliding rod (16), cooperation piece (161), non return spring (17), fixed block (18) and non return piece (19), fixed block (18) are fixed in intake antrum (5) of inlet tube (3), the below of fixed block (18) is provided with criss-cross mount (15), it is equipped with the limbers to dig on fixed block (18), sliding rod (16) are established to sliding sleeve on mount (15), the limbers is passed to the one end of sliding rod (16), and passes the one end of limbers and install non return piece (19), the other end of sliding rod (16) is fixed with discoid cooperation piece (161), be provided with non return spring (17) between cooperation piece (161) and mount (15).

3. A modular ball valve according to claim 2, wherein: the limbers and non return piece (19) all are the funnel shape of invering, one side that the limbers is connected with non return piece (19) is provided with sealed the pad.

4. A modular ball valve according to claim 1, wherein: the buffer layer (6) comprises a first buffer block (7) and a second buffer block (8), the first buffer block (7) is of an elliptic cylindrical structure, the second buffer block (8) is of a quadrangular cylindrical structure, and the first buffer block (7) and the second buffer block (8) are arranged in a staggered mode at equal intervals in a cavity.

5. A modular ball valve according to claim 1, wherein: the one end vertical fixation that turning block (12) are close to solid fixed ring (11) has pointer (13), gu fixed ring (11) top outer fringe is carved and is equipped with the scale mark, and pointer (13) directive position when zero scale mark is closed for the valve, and the scale mark outwards is fan-shaped and symmetric distribution by zero scale mark.