CN111156322A

CN111156322A - Butterfly valve body connecting device

Info

Publication number: CN111156322A
Application number: CN202010062759.8A
Authority: CN
Inventors: 苑桂鹏
Original assignee: Tianjin Changhui Yuanyi Fluid Control Equipment Co ltd
Current assignee: Tianjin Changhui Yuanyi Fluid Control Equipment Co ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-05-15

Abstract

The invention discloses a butterfly valve body connecting device which comprises a mounting base, wherein a bidirectional threaded rod is arranged in the middle of two sides in the mounting base, a holding disc A is arranged in the mounting base at the extending part of one side of the bidirectional threaded rod, internal thread sleeves matched with the bidirectional threaded rod are symmetrically sleeved on two sides of the outer side of the bidirectional threaded rod, valve seat semi-shells are symmetrically arranged at the tops of two groups of internal thread sleeves, a valve body is arranged in the two groups of valve seat semi-shells, and the output end and the input end of the valve body both extend to the outside of the valve seat semi-shells. The device is convenient for fast dismounting the valve body and the valve seat through the mutual matching of the mounting base, the internal thread sleeve, the bidirectional threaded rod, the valve seat semi-shell and the holding disc A, the fixed connection effect is realized, and the valve body is protected through the valve seat formed by the two groups of valve seat semi-shells; the position of the device can be clamped and fixed through the clamping assembly, and the device is more convenient to disassemble and assemble.

Description

Butterfly valve body connecting device

Technical Field

The invention relates to the technical field of valves, in particular to a butterfly valve body connecting device.

Background

The butterfly valve is also called a flap valve, and is a regulating valve with simple structure, wherein the butterfly valve refers to a closing member (a valve clack or a butterfly plate) which is a disc, and rotates around a valve shaft to achieve the opening and closing of the valve, and the valve mainly plays the roles of cutting off and throttling on a pipeline;

the existing butterfly valve body and the valve seat are often installed in an embedded mode, the dismounting process is complex, the existing device is difficult to install according to the required height, when the installation position is too high or a support is not located at the bottom of the device, the fixing effect is difficult to achieve, and sometimes a support base or a support plate needs to be welded temporarily to fix the position of the valve body; when the connecting pipe is externally arranged, in the working process, the pipe is easy to swing due to hydraulic conversion in the valve adjusting process, the liquid transmission can be influenced, and in the serious process, the pipe connecting part can fall off to cause damage to the environment and personnel.

Disclosure of Invention

The invention aims to provide a butterfly valve body connecting device, which aims to solve the problems that the existing butterfly valve body and a valve seat are often installed in an embedded mode in the background technology, the dismounting process is complicated, the existing device is difficult to install according to the required height, when the installation position is too high or a support is not positioned at the bottom of the device, the fixing effect is difficult to achieve, and sometimes a support base or a support plate needs to be temporarily welded to fix the position of the valve body; when the connecting pipe is externally arranged, in the working process, the pipe is easy to swing due to the hydraulic conversion in the valve adjusting process, the liquid transmission can be influenced, and in the serious process, the pipe connecting part can fall off, so that the problem of damage to the environment and personnel is solved.

In order to achieve the purpose, the invention provides the following technical scheme: a butterfly valve body connecting device comprises a mounting base, wherein a bidirectional threaded rod is arranged in the middle of two sides of the inside of the mounting base, a holding disc A is arranged in the mounting base at the extending part of one side of the bidirectional threaded rod, internal thread sleeves matched with the bidirectional threaded rod are symmetrically sleeved at the two sides of the outer side of the bidirectional threaded rod, valve seat semi-shells are symmetrically arranged at the tops of the two groups of internal thread sleeves, a valve body is arranged in the two groups of valve seat semi-shells, the output end and the input end of the valve body both extend to the outside of the valve seat semi-shell, adjusting grooves are symmetrically arranged on both sides of the top inside the valve seat semi-shell, the inside of adjustment tank is provided with the centre gripping subassembly, mounting panel B is installed to the top symmetry of half casing both sides of disk seat, and is two sets of the articulated seat of U style of calligraphy is installed to a symmetry that mounting panel B kept away from each other, the inside of the articulated seat of U style of calligraphy all articulates there is supplementary solid pipe assembly.

Preferably, the centre gripping subassembly includes splint B, rack, positioning bolt, holds a set B, pivot, gear and through-hole, the intermediate position department of the inside bottom of adjustment tank is provided with the pivot, the intermediate position department cover in the pivot outside is equipped with the gear, the top of pivot is provided with holds a set B, hold the inside non-centre of a circle department of a set B and be provided with positioning bolt, the bilateral symmetry at the half inside top of the half casing of disk seat is provided with the through-hole, the through-hole runs through the both ends of the half casing of disk seat, the through-hole communicates with the inside of adjustment tank each other, the inside of through-hole all is provided with the rack rather than mutual adaptation, rack and gear intermeshing, splint B is all installed to the one end.

Preferably, supplementary solid pipe assembly includes splint A, hinge, picture peg, cassette and buckle, the hinge is located the inside intermediate position department of U style of calligraphy hinge seat, and the hinge is articulated each other with U style of calligraphy hinge seat, hinge bottom both ends symmetry articulates there is splint A, and is a set of the bottom of splint A one end is provided with the picture peg, another group the bottom of splint A one end is provided with the cassette, the one end that splint A was kept away from to picture peg top and bottom all is provided with the buckle, the mutual block of buckle and cassette.

Preferably, the intermediate position department at mounting base top is provided with logical groove, the internal thread sleeve pipe runs through logical groove and extends to the outside of mounting base, mounting panel A is installed to the bottom symmetry of mounting base both sides.

Preferably, splint A's inboard all is provided with the sponge layer, splint A makes for semi-annular structure, one side that splint A is close to the half casing of disk seat all is provided with the semi-annular buffer ring rather than mutual adaptation.

Preferably, the middle position department of mounting panel B bottom all installs the limiting plate, and limiting plate and splint A mutual adaptation.

Preferably, the bottom of the clamping plate B close to one end of the valve seat semi-shell is provided with a rubber pad, the rubber pad is bonded with the clamping plate B, and the two groups of clamping plates B are respectively positioned at two ends of the valve seat semi-shell.

Preferably, the outer sides of the holding disc B are uniformly provided with anti-slip teeth.

Compared with the prior art, the invention has the beneficial effects that: the butterfly valve body connecting device is convenient for fast dismounting the valve body and the valve seat through the mutual matching of the mounting base, the internal thread sleeve, the bidirectional threaded rod, the valve seat semi-shell and the holding disc A, so as to realize the effect of fixed connection; the valve body is wrapped and protected by the valve seat formed by the two groups of valve seat half shells; the clamping plate is rotated by the clamping assembly according to the required installation direction, so that the clamping plate is more convenient to assemble and disassemble, and the device can also be fixedly installed by the installation plate A; through the setting of supplementary solid pipe assembly, be convenient for to the supplementary fixed of external connecting pipe, prevent that external pipe from appearing droing in the course of the work, avoid causing the injury to environment, personnel.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is an enlarged view of the structure at A of FIG. 1 according to the present invention;

FIG. 5 is an enlarged view of the structure at B of FIG. 1 according to the present invention;

FIG. 6 is a schematic view of a clamping structure of the insert plate and the card seat of the present invention;

fig. 7 is a schematic perspective view of the rack and pinion transmission of the present invention.

In the figure: 1. mounting a base; 2. an internally threaded sleeve; 3. a bidirectional threaded rod; 4. a valve seat half-shell; 5. mounting a plate A; 6. a holding disc A; 7. a splint A; 8. a valve body; 9. an adjustment groove; 10. mounting a plate B; 11. a U-shaped hinge seat; 12. a rubber pad; 13. a splint B; 14. a rack; 15. positioning the bolt; 16. a holding disc B; 17. a hinge joint; 18. inserting plates; 19. a limiting plate; 20. a semi-annular buffer ring; 21. a rotating shaft; 22. a gear; 23. a through hole; 24. a card holder; 25. and (5) buckling.

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.

Referring to fig. 1-7, the present invention provides an embodiment: a butterfly valve body connecting device comprises a mounting base 1, two-way threaded rods 3 are arranged at the middle positions of two sides in the mounting base 1, the positions of two groups of valve seat semi-shells 4 can be adjusted to be close to or separated from each other, and then the two groups of valve seat semi-shells are combined or decomposed, a holding disc A6 is arranged in the mounting base 1 at the extending part of one side of each two-way threaded rod 3, internal thread sleeves 2 matched with the two-way threaded rods 3 are symmetrically sleeved at two sides of the outer side of each two-way threaded rod 3, valve seat semi-shells 4 are symmetrically arranged at the tops of the two groups of internal thread sleeves 2, a valve body 8 is arranged in each two groups of valve seat semi-shells 4, the output end and the input end of each valve body 8 extend to the outer side of the valve seat semi-shell 4, adjusting grooves 9 are symmetrically arranged at two sides of the inner top, u-shaped hinged seats 11 are symmetrically arranged on the two groups of mounting plates B10 far away from each other, auxiliary pipe fixing assemblies are hinged inside the U-shaped hinged seats 11, the positions of the external guide pipes can be fixed in an auxiliary mode, and swinging and falling are avoided.

The valve body 8 in the device is the prior art, and the composition structure and the connection mode of the valve body are completely the same as those of the prior device.

Further, the centre gripping subassembly includes splint B13, rack 14, positioning bolt 15, hold set B16, pivot 21, gear 22 and through-hole 23, the intermediate position department of the inside bottom of adjustment tank 9 is provided with pivot 21, the intermediate position department cover in the pivot 21 outside is equipped with gear 22, the top of pivot 21 is provided with holds set B16, the inside non-centre of a circle department of holding set B16 is provided with positioning bolt 15, the bilateral symmetry at the inside top of half 4 of valve seat is provided with through-hole 23, through-hole 23 runs through the both ends of half 4 of valve seat, through-hole 23 communicates with the inside of adjustment tank 9 each other, the inside of through-hole 23 all is provided with rack 14 rather than the mutual adaptation, rack 14 and gear 22 intermeshing, splint B13 is all installed to the one end of rack 14, can install the device centre gripping to appointed height.

Further, supplementary solid pipe assembly includes splint a7, the articulated joint 17, picture peg 18, cassette 24 and buckle 25, articulated joint 17 is located the inside intermediate position department of U style of calligraphy articulated seat 11, and articulated joint 17 articulates each other with U style of calligraphy articulated seat 11, articulated joint 17 bottom both ends symmetry articulates there is splint a7, the bottom of a set of splint a7 one end is provided with picture peg 18, the bottom of another set of splint a7 one end is provided with cassette 24, the one end that splint a7 was kept away from to picture peg 18 top and bottom all is provided with buckle 25, buckle 25 and the mutual block of cassette 24, to fixed connection between the two sets of splint a7 of homonymy, realize supplementary fixed connection, prevent that external pipe from appearing the swing in the course of the work, drop.

Furthermore, the middle position department at mounting base 1 top is provided with logical groove, and internal thread sleeve pipe 2 runs through logical groove and extends to mounting base 1's outside, and mounting panel A5 is installed to the bottom symmetry of mounting base 1 both sides, can be with this valve body connecting device fixed mounting on appointed operating plane.

Further, the inner sides of the clamping plates A7 are all provided with sponge layers, the clamping plates A7 are made of semi-annular structures, and one sides of the clamping plates A7, which are close to the valve seat half shell 4, are all provided with semi-annular buffer rings 20 matched with the clamping plates A, and are attached to one end of the valve body 8.

Furthermore, the middle position of the bottom of the mounting plate B10 is provided with a limiting plate 19, the limiting plate 19 is matched with the clamping plate A7, and the position of the clamping plate A7 is limited.

Furthermore, the rubber pad 12 is arranged at the bottom of the clamping plate B13 close to one end of the valve seat half shell 4, the rubber pad 12 is adhered to the clamping plate B13, and the two groups of clamping plates B13 are respectively arranged at two ends of the valve seat half shell 4, so that the mounting positions in different directions can be selected and fixed conveniently.

Furthermore, the outer sides of the holding discs B16 are uniformly provided with anti-skidding teeth, so that the friction force between the holding discs B16 and the hands of operators is increased, and the operation is more stable.

The working principle is as follows: when the device is installed, firstly, the holding disc A6 is rotated to drive the bidirectional threaded rod 3 to rotate, the bidirectional threaded rod 3 drives the two groups of internal thread sleeves 2 and the valve seat semi-shells 4 thereon to be away from each other, then the valve body 8 can be placed in the valve seat semi-shells 4, and the valve body 8 is wrapped in the valve body 8 through the mutual approach of the two groups of valve seat semi-shells 4, so as to protect the valve body 8; the connecting device can be fixedly installed at a specified position through an installation plate A5; the rotating shaft 21 can be driven to rotate by rotating the holding disc B16, the gear 22 is driven to rotate by the rotating shaft 21, the rack 14 and the clamp plate B13 on the rack are moved to a specified position, the device can be integrally clamped and fixed to the specified position by the clamp plate B13 and the rubber pad 12, the position of the holding disc B16 is locked by the positioning bolt 15, two groups of clamp plates B13 are respectively provided with two ends of the valve seat semi-shell 4, and the clamp plates B13 can be selected according to the installation environment so as to be fixedly connected according to different installation positions; after 8 external pipe connections to the valve body, can overturn articulated joint 17 to assigned position department in the inside of the articulated seat 11 of U style of calligraphy, fix articulated joint 17's position through limiting plate 19, then pull open two sets of splint A7 of homonymy, overlap its outside in external connecting tube, then can insert picture peg 18 in the inside of cassette 24, through buckle 25 and the mutual block of cassette 24, fix two sets of splint A7 of homonymy, and then realize complementary fixed connection, prevent that external pipe from appearing the swing in the course of the work, drop.

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.

Claims

1. A butterfly valve body connection device, comprising an installation base (1), characterized in that: a bidirectional threaded rod (3) is provided at the middle position of both sides inside the installation base (1). One side extension of the rod (3) is installed inside the base (1) and is provided with a grip plate A (6), and two sides of the outer side of the two-way threaded rod (3) are symmetrically sleeved with internal threads that are compatible with it. A sleeve (2), the tops of the two sets of the internally threaded sleeves (2) are symmetrically provided with valve seat half-shells (4), and the inside of the two sets of the valve seat half-shells (4) are provided with valve bodies ( 8), and both the output end and the input end of the valve body (8) extend to the outside of the valve seat half-shell (4), and the two sides of the inner top of the valve seat half-shell (4) are symmetrically provided with adjustment grooves ( 9), a clamping assembly is arranged inside the adjustment groove (9), and mounting plates B (10) are symmetrically mounted on the tops of both sides of the valve seat half-shell (4), and two sets of the mounting plates B ( 10) A U-shaped hinge seat (11) is symmetrically installed on the one that is far away from each other, and the interior of the U-shaped hinge seat (11) is hinged with auxiliary pipe components.

2. A butterfly valve body connection device according to claim 1, characterized in that: the clamping assembly comprises a clamping plate B (13), a rack (14), a positioning bolt (15), a gripping plate B (16) ), a rotating shaft (21), a gear (22) and a through hole (23), a rotating shaft (21) is provided at the middle position of the inner bottom of the adjustment groove (9), and a sleeve (21) is sleeved at the middle position outside the rotating shaft (21). A gear (22) is provided, a gripping plate B (16) is arranged on the top of the rotating shaft (21), and a positioning bolt (15) is arranged inside the gripping plate B (16) at a non-circular center, and the valve seat half shell Through holes (23) are symmetrically arranged on both sides of the inner top of the body (4), the through holes (23) pass through both ends of the valve seat half shell (4), and the through holes (23) are connected to the adjustment groove (9). ) communicate with each other, the interior of the through hole (23) is provided with a rack (14) that is adapted to each other, the rack (14) and the gear (22) are meshed with each other, and the rack (14) ) is installed with a splint B (13).

3. A butterfly valve valve body connection device according to claim 1, characterized in that: the auxiliary pipe fixing assembly comprises a splint A (7), a hinge joint (17), an insert plate (18), a card seat (24) ) and the buckle (25), the hinge head (17) is located at the middle position inside the U-shaped hinge seat (11), and the hinge head (17) and the U-shaped hinge seat (11) are hinged to each other, the The two ends of the bottom of the hinge head (17) are symmetrically hinged with a splint A (7), the bottom of one end of one set of the splint A (7) is provided with an insert plate (18), and the bottom of one end of the other set of the splint A (7) A card seat (24) is provided, the top and bottom of the plug board (18) are provided with a buckle (25) at one end away from the splint A (7), and the buckle (25) and the card seat (24) are mutually locked combine.

4. A butterfly valve body connection device according to claim 1, characterized in that: a through groove is provided at the middle position of the top of the mounting base (1), and the inner threaded sleeve (2) penetrates through The groove extends to the outside of the mounting base (1), and the bottoms of both sides of the mounting base (1) are symmetrically mounted with mounting plates A (5).

5. A butterfly valve body connection device according to claim 3, characterized in that: the inner side of the splint A (7) is provided with a sponge layer, and the splint A (7) is made of a semi-ring structure, The side of the clamping plate A (7) close to the valve seat half-shell (4) is provided with a semi-annular buffer ring (20) which is adapted to each other.

6. A butterfly valve valve body connection device according to claim 1, characterized in that a limit plate (19) is installed at the middle position of the bottom of the mounting plate B (10), and the limit plate (19) Compatible with splint A(7).

7. A butterfly valve valve body connection device according to claim 2, characterized in that: a rubber pad (12) is provided at the bottom of the splint B (13) close to one end of the valve seat half-shell (4). The rubber gasket (12) and the clamping plate B (13) are bonded to each other, and the two groups of the clamping plate B (13) are respectively located at both ends of the valve seat half shell (4).

8. A butterfly valve body connection device according to claim 2, characterized in that: the outer sides of the grip plate B (16) are uniformly provided with anti-skid teeth.