CN211667176U

CN211667176U - Lock-type detachable copper gate valve

Info

Publication number: CN211667176U
Application number: CN202020112380.9U
Authority: CN
Inventors: 武秀珍; 陈辉灵
Original assignee: Yanchuang Valve Industry Fujian Co ltd
Current assignee: Yanchuang Valve Industry Fujian Co ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-10-13
Anticipated expiration: 2030-01-17

Abstract

The utility model discloses a detachable copper gate valve of locking-type, its structure includes valve body, connecting device and seal assembly, through set up connecting device at both ends about the valve body, put into the annular joint inner wall through connecting rod and conical head, through the connecting rod in the contact of external pressure packing ring department and carry out preliminary compaction airtight, the screw thread department screw thread rotation of connecting rod outside the annular joint inner wall outside of rotating again, until compress tightly the conical head in the internal pressure packing ring outside, reached through adopting the mode connection of compressing tightly the card solid to improve airtight beneficial effect when installing and using; and set up closing device in valve body inner wall bottom, push down to rubber layer top department through the flashboard, the elasticity through bubble cotton layer and rubber layer compresses tightly the leakproofness that the effect improves the contact and compresses tightly in groove inner wall department, and the anticorrosive coating provides the protecting effect for bubble cotton layer and rubber layer, improves life, has reached and has added the inseparable beneficial effect of establishing elasticity encryption part when carrying out the operation with the improvement and close.

Description

Lock-type detachable copper gate valve

Technical Field

The utility model belongs to the technical field of the gate valve, in particular to detachable copper gate valve of locking-type.

Background

The gate valve is a flashboard of an opening and closing part, the movement direction of the flashboard is vertical to the fluid direction, and the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled;

the copper gate valve adopts an upper mounting structure, reduces connecting bolts of the valve body under the condition of high pressure or large caliber, enhances the reliability of the valve and can overcome the influence of the dead weight of a system on the normal work of the valve;

the copper gate valve is widely applied to pipelines in coal chemical industry, petrochemical industry, rubber, papermaking, pharmacy and the like as a flow dividing and converging or flow direction switching device of a medium;

and damage the valve member for preventing the unexpected touching of rotatable parts, generally can adopt the detachable copper floodgate of area lock, but airtight effect when this valve body of the neotype of prior art is installed and is used is not good to inseparable effect when carrying out the operation and closing is not good.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art not enough, now provide a removable copper gate valve of locking-type to solve the airtight effect when this valve body is installed and is used not good, and operate the not good problem of inseparable effect when closing, through adopting compressing tightly the solid mode of card to connect airtight beneficial effect when using in order to improve the installation, and add and establish elasticity and encrypt part inseparable beneficial effect when closing in order to improve the operation.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a lock-type detachable copper gate valve, which comprises a valve body, a connecting device, a sealing assembly, a driving assembly and a pressing device, wherein the left end and the right end of the valve body are respectively and fixedly connected with the connecting device, the middle part of the top end of the valve body is fixedly connected with the sealing assembly, the driving assembly simultaneously penetrates through the middle part of the top end of the valve body and the middle parts of the top end and the bottom end of the sealing assembly, the valve body is movably connected with the driving assembly, the sealing assembly is fixedly connected with the driving assembly, the pressing device is arranged at the middle part of the bottom end of the inner wall of the valve body, the connecting device comprises an annular joint, an external pressure gasket, an internal pressure gasket, a connecting rod and a conical head, the inner part and the outer part of the inner wall of the annular joint are respectively and fixedly connected with the internal pressure gasket and the external pressure gasket, the outer surface of the connecting rod is movably connected with the inner wall of the annular joint, a thread strip is arranged on the outer side of the inner wall of the annular joint and is in threaded connection with the outer surface of the connecting rod, and the left end and the right end of the valve body are respectively welded with the annular joint.

Further, closing device includes notch, the cotton layer of bubble, anticorrosive coating and rubber layer, the notch inner wall is by supreme the cotton layer of bubble, anticorrosive coating and the rubber layer of having set gradually down to all bond through the powerful glue between the cotton layer of bubble, anticorrosive coating and the rubber layer, the cotton layer of bubble and anticorrosive coating all hug closely with the notch inner wall, notch inner wall upper portion and rubber layer bottom outside fixed connection, valve body inner wall bottom middle part is provided with the notch.

Further, the sealing assembly comprises an upper clamping seat, a mechanical seal, an asbestos layer, an O-shaped sealing ring, a bearing, a convex ring, a lower clamping seat, a pressing ring and an insertion opening, the mechanical seal, the asbestos layer, the O-shaped sealing ring and the bearing are sequentially arranged on the upper portion of the inner wall of the upper clamping seat from top to bottom, the mechanical seal, the asbestos layer, the O-shaped sealing ring and the bearing are tightly attached to each other, the upper clamping seat is fixedly connected with the mechanical seal and the bearing respectively, the periphery of the bottom end of the upper clamping seat is welded with the convex ring, the middle portion of the outer surface of the convex ring is in threaded connection with the inner wall of the lower clamping seat, the pressing ring is arranged between the periphery of the bottom end of the upper clamping seat and the periphery of the top end of the lower clamping seat, the insertion opening is arranged in the middle portion of the top end of the lower clamping, The O-shaped sealing ring and the middle parts of the two ends of the top and the bottom of the bearing are fixedly connected with the driving assembly through the mechanical seal and the bearing.

Further, the driving component comprises a connecting plate, a clamping groove, a rotating rod, a valve rod, a threaded rod, a flashboard, a pressing strip and a hand wheel, the clamping groove is arranged in the middle of the top end of the connecting plate, the middle of the bottom end of the rotating rod is movably connected with the inner wall of the clamping groove, the top end of the rotating rod is fixedly connected with the hand wheel, the middle of the bottom end of the connecting plate is fixedly spliced with the valve rod, the bottom end of the valve rod is welded with the threaded rod, the threaded rod penetrates through the middle of the top end of the flashboard and is in threaded connection with the threaded rod, the upper parts of the left and right ends of the flashboard are respectively and fixedly connected with the pressing strip, the valve rod simultaneously penetrates through the middle parts of the mechanical seal, the asbestos layer, the O-shaped seal ring and the middle, the bottom end of the flashboard is movably connected with the rubber layer.

Furthermore, the outer side of the internal pressure washer is mutually embedded with the outer surface of the conical head.

Furthermore, the bottom end of the inner wall of the clamping groove is provided with a magnetic block.

Furthermore, both ends are provided with the tongue about the draw-in groove, and both ends are provided with the lug about the dwang to tongue inner wall and the mutual gomphosis of lug surface lower part.

Further, the mechanical seal is 50sv30m-5.34 in model.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1) the not good problem of airtight effect when installing the use for solving this valve body, through setting up connecting device at both ends about the valve body, put into in the middle of the annular joint inner wall through connecting rod and conical head, in the middle of this process, it is airtight to carry out preliminary compressing tightly in the contact of external pressure packing ring department through the connecting rod, continuously put into interior pressure packing ring outside department with the conical head, rotate the screw thread department screw thread rotation of connecting rod in the annular joint inner wall outside again, including until with the conical head compress tightly the packing ring outside can, airtight beneficial effect when having reached and connecting in order to improve the installation use through the mode that adopts the compression card to fix.

2) The not good problem of inseparable effect when closing for solving to operate, through set up closing device in valve body inner wall bottom, pushes down to rubber layer top department through the flashboard, compresses tightly the leakproofness that the effect improved the contact through the elasticity on cotton layer of bubble and rubber layer at groove inner wall department compression, and the anticorrosive coating provides the protective effect for cotton layer of bubble and rubber layer, improves life, has reached to add to establish inseparable beneficial effect when elastic encryption part is operated in order to improve and closes.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a schematic view of the internal structure of the connecting device of the present invention;

FIG. 5 is a schematic view of the internal partial structure A of the present invention;

in the figure: the valve comprises a valve body-1, a connecting device-2, a sealing component-3, a driving component-4, a pressing device-5, an annular joint-21, an external pressure gasket-22, an internal pressure gasket-23, a connecting rod-24 and a conical head-25 upper clamping seat-31, a mechanical seal-32, an asbestos layer-33, an O-shaped sealing ring-34, a bearing-35, a convex ring-36, a lower clamping seat-37, a pressing ring-38, an inlet-39, a connecting plate-41, a clamping groove-42, a rotating rod-43, a valve rod-44, a threaded rod-45, a gate-46, a pressing strip-47, a hand wheel-48, a notch-51, a foam layer-52, an anticorrosive layer-53 and a rubber layer-54.

Detailed Description

Referring to fig. 1, 2, 3 and 4, the present invention provides a lock-type detachable copper gate valve: the valve comprises a valve body 1, a connecting device 2, a sealing assembly 3, a driving assembly 4 and a pressing device 5, wherein the left end and the right end of the valve body 1 are fixedly connected with the connecting device 2 respectively, the middle part of the top end of the valve body 1 is fixedly connected with the sealing assembly 3, the driving assembly 4 simultaneously penetrates through the middle parts of the top end of the valve body 1 and the middle parts of the top end and the bottom end of the sealing assembly 3, the valve body 1 is movably connected with the driving assembly 4, the sealing assembly 3 is fixedly connected with the driving assembly 4, the pressing device 5 is arranged in the middle part of the bottom end of the inner wall of the valve body 1, the connecting device 2 comprises an annular joint 21, an external pressure gasket 22, an internal pressure gasket 23, a connecting rod 24 and a conical head 25, the inner part and the outer part of the inner wall of the annular joint 21 are fixedly connected with the internal pressure gasket 23 and the external pressure gasket 22, the outer surface of the connecting rod 24 is movably connected with the inner wall of the annular joint 21, the outer side of the inner wall of the annular joint 21 is provided with a thread strip which is in threaded connection with the outer surface of the connecting rod 24, and the left end and the right end of the valve body 1 are respectively welded with the annular joint 21.

Wherein, closing device 5 includes notch 51, the cotton layer 52 of bubble, anticorrosive coating 53 and rubber layer 54 have set gradually by supreme in the notch 51 inner wall to all bond through the powerful glue between the cotton layer 52 of bubble, anticorrosive coating 53 and the rubber layer 54, the cotton layer 52 of bubble and anticorrosive coating 53 all hug closely with notch 51 inner wall, notch 51 inner wall upper portion and rubber layer 54 bottom outside fixed connection, 1 inner wall bottom middle part of valve body is provided with notch 51, adds according to the aforesaid and establishes elasticity encryption part in order to improve inseparable beneficial effect when operating to close.

Wherein, the sealing component 3 comprises an upper clamping seat 31, a mechanical seal 32, an asbestos layer 33, an O-shaped sealing ring 34, a bearing 35, a convex ring 36, a lower clamping seat 37, a pressing ring 38 and an inlet 39, the upper part of the inner wall of the upper clamping seat 31 is provided with the mechanical seal 32, the asbestos layer 33, the O-shaped sealing ring 34 and the bearing 35 from top to bottom in sequence, the mechanical seal 32, the asbestos layer 33, the O-shaped sealing ring 34 and the bearing 35 are attached tightly, the upper clamping seat 31 is fixedly connected with the mechanical seal 32 and the bearing 35 respectively, the periphery of the bottom end of the upper clamping seat 31 is welded with the convex ring 36, the middle part of the outer surface of the convex ring 36 is in threaded connection with the inner wall of the lower clamping seat 37, the pressing ring 38 is arranged between the periphery of the bottom end of the upper clamping seat 31 and the top end of the lower clamping seat 37, the pressing ring 38 is arranged outside the convex ring 36, the inlet 39, drive assembly 4 runs through mechanical seal 32, asbestos layer 33, O type sealing washer 34 and bearing 35 top and bottom both ends middle part simultaneously to mechanical seal 32 and bearing 35 all with drive assembly 4 fixed connection, combine together according to the multiple airtight part of the aforesaid adoption, in order to improve sealed effect.

Wherein, drive assembly 4 includes connecting plate 41, draw-in groove 42, dwang 43, valve rod 44, threaded rod 45, flashboard 46, layering 47 and hand wheel 48, connecting plate 41 top middle part is provided with draw-in groove 42, dwang 43 bottom middle part and draw-in groove 42 inner wall swing joint, dwang 43 top and hand wheel 48 fixed connection, connecting plate 41 bottom middle part and the fixed grafting of valve rod 44, valve rod 44 bottom and threaded rod 45 welding, threaded rod 45 runs through flashboard 46 top middle part to flashboard 46 and the 45 threaded connection of threaded rod, both ends upper portion respectively with layering 47 fixed connection about flashboard 46, valve rod 44 runs through mechanical seal 32, asbestos layer 33, O type sealing washer 34 and bearing 35 top bottom both ends middle part simultaneously to mechanical seal 32 and bearing 35 all with valve rod 44 fixed connection, layering 47 respectively with set up mouth 39 inner wall left and right ends swing joint, the gate plate 46 penetrates through the middle of the top end of the valve body 1, the valve body 1 is movably connected with the gate plate 46, the bottom end of the gate plate 46 is movably connected with the rubber layer 54, and a lock-type detachable component is adopted for operation, so that damage prevention is improved.

The outer side of the inner pressure washer 23 is embedded with the outer surface of the conical head 25, and the pressing and sealing effect is increased by improving the engagement degree between the outer side of the inner pressure washer 23 and the outer surface of the conical head 25.

The magnetic blocks are arranged at the bottom end of the inner wall of the clamping groove 42, and the adsorption part is additionally arranged according to the above to improve stability and facilitate rotation.

The left end and the right end of the clamping groove 42 are provided with convex grooves, the left end and the right end of the rotating rod 43 are provided with convex blocks, the inner walls of the convex grooves are embedded with the lower portions of the outer surfaces of the convex blocks, the degree of engagement between the inner walls of the convex grooves and the lower portions of the outer surfaces of the convex blocks is improved, and shaking is reduced.

The mechanical seal 32 is 50sv30m-5.34 in model number, and is high in sealing performance and long in service life.

The working principle is as follows: firstly, taking out the lock-type detachable copper gate valve and placing the lock-type detachable copper gate valve at a position where installation is needed;

then, the connecting devices 2 arranged at the left end and the right end of the valve body 1 are placed into the inner wall of the annular joint 21 through the connecting rod 24 and the conical head 25, in the process, the conical head 25 is continuously placed into the outer side of the inner pressure gasket 23 through the contact of the connecting rod 24 at the outer pressure gasket 22 and the preliminary pressing and sealing, then the connecting rod 24 is rotated to rotate at the threaded opening on the outer side of the inner wall of the annular joint 21 through threads until the conical head 25 is pressed on the outer side of the inner pressure gasket 23, the beneficial effect of sealing in the installation and use process is improved by adopting the mode of pressing, clamping and fixing is achieved, and the stable connection can be stably carried out at the outer installation position;

then, when in use, the hand wheel 48 and the rotating rod 43 are integrated into a whole and are placed into the clamping groove 42 at the top end of the connecting plate 41 through the rotating rod 43 and fixed by the magnetic block, then the hand wheel 48 is rotated to drive the valve rod 44 to rotate, and the threaded rod 45 is driven to rotate at the middle part of the top end of the flashboard 46, so that the flashboard 46 is driven to move up and down at the middle part of the valve body 1 to be opened and closed, and the pressing strips 47 are in contact pressing at the left end and the right end;

then, according to the above, the mechanical seal 32, the asbestos layer 33 and the O-ring 34 of the upper clamping seat 31 at the sealing component 3 provide a strong sealing effect when the valve rod 44 rotates, the bearing 35 provides a rotation assisting force for the rotation of the valve rod 44, the convex ring 36 at the bottom end of the upper clamping seat 31 is fixed in the lower clamping seat 37 by screw threads, and the pressing ring 38 between the upper clamping seat 31 and the lower clamping seat 37 is pressed and sealed;

finally, through the closing device 5 that sets up at valve body 1 inner wall bottom, push down to rubber layer 54 top department through flashboard 46, compress in notch 51 inner wall department through the elasticity of foam layer 52 with rubber layer 54 compresses tightly the effect improvement contact leakproofness, and anticorrosive coating 53 provides the protective effect for foam layer 52 and rubber layer 54, improves life, has reached and has set up elasticity encryption part additional in order to improve inseparable beneficial effect when operating the closure.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. 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.

Claims

1. A lock-type detachable copper gate valve comprises a valve body (1), a sealing assembly (3) and a driving assembly (4), wherein the left end and the right end of the valve body (1) are fixedly connected with a connecting device (2) respectively, the middle of the top end of the valve body (1) is fixedly connected with the sealing assembly (3), the driving assembly (4) penetrates through the middle of the top end of the valve body (1) and the middle of the two ends of the top bottom of the sealing assembly (3) simultaneously, the valve body (1) is movably connected with the driving assembly (4), the sealing assembly (3) is fixedly connected with the driving assembly (4), and a pressing device (5) is arranged in the middle of the bottom end of the inner wall of the valve body (1;

the method is characterized in that: the device also comprises a connecting device (2) and a pressing device (5), wherein the connecting device (2) comprises an annular joint (21), an external pressure gasket (22), an internal pressure gasket (23), a connecting rod (24) and a conical head (25), the inner part and the outer part of the inner wall of the annular joint (21) are respectively fixedly connected with an inner pressure washer (23) and an outer pressure washer (22), a conical head (25) is arranged on the inner side of the outer surface of the connecting rod (24), the middle part of the outer surface of the connecting rod (24) is movably connected with an external pressure washer (22), the outer surface of the conical head (25) is movably connected with the outer side of the inner pressure washer (23), the outer surface of the connecting rod (24) is movably connected with the inner wall of the annular joint (21), the outer side of the inner wall of the annular joint (21) is provided with a thread strip which is in threaded connection with the outer surface of the connecting rod (24), the left end and the right end of the valve body (1) are respectively welded with the annular joint (21).

2. A lock-type detachable copper gate valve according to claim 1, characterized in that: compressing device (5) include notch (51), bubble cotton layer (52), anticorrosive coating (53) and rubber layer (54), notch (51) inner wall has set gradually bubble cotton layer (52), anticorrosive coating (53) and rubber layer (54) from lower supreme to all bond through powerful glue between bubble cotton layer (52), anticorrosive coating (53) and the rubber layer (54), bubble cotton layer (52) and anticorrosive coating (53) all hug closely with notch (51) inner wall, notch (51) inner wall upper portion and rubber layer (54) bottom outside fixed connection, valve body (1) inner wall bottom middle part is provided with notch (51).

3. A lock-type detachable copper gate valve according to claim 1, characterized in that: the sealing assembly (3) comprises an upper clamping seat (31), a mechanical seal (32), an asbestos layer (33), an O-shaped sealing ring (34), a bearing (35), a convex ring (36), a lower clamping seat (37), a clamping ring (38) and an accommodating opening (39), the mechanical seal (32), the asbestos layer (33), the O-shaped sealing ring (34) and the bearing (35) are sequentially arranged on the upper portion of the inner wall of the upper clamping seat (31) from top to bottom, the mechanical seal (32), the asbestos layer (33), the O-shaped sealing ring (34) and the bearing (35) are tightly attached to each other, the upper clamping seat (31) is fixedly connected with the mechanical seal (32) and the bearing (35) respectively, the periphery of the bottom end of the upper clamping seat (31) is welded with the convex ring (36), the middle portion of the outer surface of the convex ring (36) is in threaded connection with the inner wall of the lower clamping seat (37), the clamping seat (38) is arranged between the periphery of the bottom end of, and the pressing ring (38) is arranged on the outer side of the convex ring (36), the middle section of the top end of the lower clamping seat (37) is provided with an inlet (39), the middle part of the top end of the valve body (1) is welded with the lower clamping seat (37), the driving component (4) simultaneously penetrates through the middle parts of the top end and the bottom end of the mechanical seal (32), the asbestos layer (33), the O-shaped sealing ring (34) and the bearing (35), and the mechanical seal (32) and the bearing (35) are fixedly connected with the driving component (4).

4. A lock-type detachable copper gate valve according to claim 1, characterized in that: drive assembly (4) are including connecting plate (41), draw-in groove (42), dwang (43), valve rod (44), threaded rod (45), flashboard (46), layering (47) and hand wheel (48), connecting plate (41) top middle part is provided with draw-in groove (42), dwang (43) bottom middle part and draw-in groove (42) inner wall swing joint, dwang (43) top and hand wheel (48) fixed connection, connecting plate (41) bottom middle part and valve rod (44) fixed grafting, valve rod (44) bottom and threaded rod (45) welding, flashboard (46) top middle part is run through in threaded rod (45) to flashboard (46) and threaded rod (45) threaded connection, both ends upper portion do not with layering (47) fixed connection about 46), valve rod (44) run through mechanical seal (32), asbestos layer (33) simultaneously, O type sealing washer (34) and bearing (35) top bottom both ends middle part to mechanical seal (32) and bearing (35) all with valve rod (44) fixed connection, layering (47) respectively with put into mouth (39) inner wall about both ends swing joint, flashboard (46) run through valve body (1) top middle part to valve body (1) and flashboard (46) swing joint, flashboard (46) bottom and rubber layer (54) swing joint.

5. A lock-type detachable copper gate valve according to claim 1, characterized in that: the outer side of the inner pressure washer (23) is mutually embedded with the outer surface of the conical head (25).

6. A lock-type detachable copper gate valve according to claim 4, characterized in that: and the magnetic block is arranged at the bottom end of the inner wall of the clamping groove (42).

7. A lock-type detachable copper gate valve according to claim 4, characterized in that: the left end and the right end of the clamping groove (42) are provided with convex grooves, the left end and the right end of the rotating rod (43) are provided with convex blocks, and the inner walls of the convex grooves are mutually embedded with the lower parts of the outer surfaces of the convex blocks.