CN214146614U - Valve with double sealing function - Google Patents
Valve with double sealing function Download PDFInfo
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- CN214146614U CN214146614U CN202023269310.3U CN202023269310U CN214146614U CN 214146614 U CN214146614 U CN 214146614U CN 202023269310 U CN202023269310 U CN 202023269310U CN 214146614 U CN214146614 U CN 214146614U
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Abstract
The utility model discloses a valve with double sealing function, which comprises a valve body, a first sealing component and a second sealing component; a valve body: wherein its part is equipped with the spout, the inside sliding connection of spout has the case, the last fixed surface of case is connected with the valve rod, supreme first connecting block and the second connecting block of having placed in proper order has been followed to the upper surface of valve body, the second connecting block, first connecting block and valve body pass through double-screw bolt fixed connection, the lower surface of first connecting block and the upper surface of valve body all are equipped with the recess, the extrados of valve rod respectively with the inside through-hole inner wall sliding connection who sets up of valve body and first connecting block, the top of valve rod is equipped with coupling assembling, the assembly intracavity wall sliding connection that coupling assembling and second connecting block lower surface set up, coupling assembling's upper end is equipped with the screw rod, this valve with double sealing function, be convenient for assemble, adopt double sealing design, reach complete sealing's effect, sealing performance has been improved.
Description
Technical Field
The utility model relates to the technical field of valves, specifically be a valve with dual seal function.
Background
The valve is a pipeline accessory used for opening and closing a pipeline, controlling flow direction, adjusting and controlling parameters (temperature, pressure and flow) of a conveying medium, and can be divided into a shut-off valve, a check valve, a regulating valve and the like according to functions of the valve, the valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, shunting or overflowing and relieving pressure and the like.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a valve with double seal function, be convenient for assemble, adopt the double seal design, reach totally enclosed effect, improved sealing performance, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a valve with double sealing functions comprises a valve body, a first sealing assembly and a second sealing assembly;
a valve body: the middle part of the valve body is provided with a sliding groove, the inside of the sliding groove is connected with a valve core in a sliding manner, the upper surface of the valve core is fixedly connected with a valve rod, the upper surface of the valve body is sequentially provided with a first connecting block and a second connecting block from bottom to top, the second connecting block, the first connecting block and the valve body are fixedly connected through a stud, the lower surface of the first connecting block and the upper surface of the valve body are both provided with grooves, the outer arc surface of the valve rod is respectively in sliding connection with the inner wall of a through hole formed in the valve body and the first connecting block, the top end of the valve rod is provided with a connecting assembly, the connecting assembly is in sliding connection with the inner wall of an assembly cavity formed in the lower surface of the second connecting block, the upper end of the connecting assembly is provided with a screw rod, and the upper end of the screw rod is in threaded connection with the middle part of the second connecting block;
a first seal assembly: the lower surface of the first connecting block is arranged between the upper surface of the valve body and the lower surface of the first connecting block;
a second seal assembly: the first sealing component is arranged at the bottom of the groove of the valve body and is in sliding connection with the outer cambered surface of the valve rod;
wherein: still include flange, flange sets up respectively in the left and right sides both ends of valve body, is convenient for assemble, adopts the dual seal design, reaches totally enclosed effect, has improved sealing performance.
Further, coupling assembling includes the go-between, the go-between sets up in the upper surface of valve rod, the outer cambered surface of go-between and the inner wall sliding connection who assembles the chamber, and the internal rotation of go-between is connected with the carousel, the upper surface of carousel and the lower fixed surface of screw rod are connected, and the outer cambered surface lower extreme of screw rod rotates with the through-hole inner wall that the go-between upper end set up to be connected, promotes the valve rod and reciprocates to control flap's opening and closing.
Further, first seal assembly includes the elastic rubber ring, the elastic rubber ring sets up in the extrados middle part of valve rod, the outer edge of elastic rubber ring respectively with the lower surface of first connecting block and valve body upper surface sealing connection, elastic rubber ring upper surface and lower surface are outer along all being equipped with the sealing ring, the sealing ring of top and the outer cooperation inslot wall fixed connection along the setting of first connecting block lower surface, the sealing ring of below and the outer cooperation inslot wall fixed connection along the setting of valve body upper surface seal the extrados of valve rod, avoid the liquid seepage.
Further, the second seal assembly includes sealed pad and clamp plate, sealed pad is placed in the grooved underside of valve body, and sealed lower extreme that fills up is the toper, and the intrados of sealed pad is connected with the extrados sliding surface of valve rod, and the clamp plate passes through the last fixed surface of locking bolt and valve body to be connected, and the lower surface of clamp plate and the sealed upper surface contact who fills up seal the junction of valve rod and valve body, avoid the liquid seepage, improve sealing performance.
Further, still include the handle, the handle sets up in the top of screw rod, makes things convenient for opening and closing of valve.
Compared with the prior art, the beneficial effects of the utility model are that: this valve with dual sealing function has following benefit:
the valve body is connected with an external pipeline through a connecting flange, a handle is rotated, the handle drives a screw rod to rotate, the screw rod is in threaded connection with a second connecting block, the screw rod moves upwards relative to the second connecting block when rotating, the screw rod drives a rotary disc to rotate inside a connecting ring, the screw rod drives the connecting ring to move upwards through the rotary disc, the connecting ring slides upwards on the inner wall of an assembly cavity, the connecting ring drives a valve rod to move upwards, the valve rod drives a valve core to move upwards to open a flow channel inside the valve body, a sealing gasket plays a primary sealing effect on the valve rod, a pressure plate increases the pressure on the sealing gasket, the sealing performance is improved, meanwhile, the sealing gasket is convenient to replace, an elastic rubber ring is fixedly connected with the outer arc surface of the valve rod to prevent liquid from leaking upwards along the outer arc surface of the valve rod, and the unique structural design of the sealing ring can effectively prevent liquid from leaking from the joint of the valve body and the first connecting block, and the valve with the double sealing function, the assembly is convenient, the double-seal design is adopted, the complete sealing effect is achieved, and the sealing performance is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic view of the a position of the present invention.
In the figure: the valve comprises a valve body 1, a sliding groove 101, a connecting flange 2, a valve rod 3, a screw rod 4, a first connecting block 5, a second connecting block 6, an assembly cavity 61, a connecting assembly 7, a connecting ring 71, a rotating disc 72, a first sealing assembly 8, an elastic rubber ring 81, a sealing ring 82, a second sealing assembly 9, a sealing gasket 91, a pressing plate 92, a locking bolt 93, a stud 10, a handle 11, a valve core 12 and a groove 13.
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.
Referring to fig. 1-2, the present invention provides a technical solution: a valve with double sealing functions comprises a valve body 1, a first sealing assembly 8 and a second sealing assembly 9;
valve body 1: the middle part of the valve body 1 is provided with a chute 10, the inside of the chute 10 is connected with a valve core 12 in a sliding manner, the upper surface of the valve core 12 is fixedly connected with a valve rod 3, the upper surface of the valve body 1 is sequentially provided with a first connecting block 5 and a second connecting block 6 from bottom to top, the second connecting block 6, the first connecting block 5 and the valve body 1 are fixedly connected through a stud 10, the lower surface of the first connecting block 5 and the upper surface of the valve body 1 are both provided with grooves 13, the outer arc surface of the valve rod 3 is respectively connected with the inner walls of through holes arranged in the valve body 1 and the first connecting block 5 in a sliding manner, the top end of the valve rod 3 is provided with a connecting component 7, the connecting component 7 is connected with the inner wall of an assembly cavity 61 arranged on the lower surface of the second connecting block 6 in a sliding manner, the upper end of the connecting component 7 is provided with a screw rod 4, the connecting component 7 comprises a connecting ring 71, the connecting ring 71 is arranged on the upper surface of the valve rod 3, and the outer arc surface of the connecting ring 71 is connected with the inner wall of the assembly cavity 61 in a sliding manner, the inner part of the connecting ring 71 is rotatably connected with a rotary disc 72, the upper surface of the rotary disc 72 is fixedly connected with the lower surface of the screw rod 4, the lower end of the outer arc surface of the screw rod 4 is rotatably connected with the inner wall of a through hole arranged at the upper end of the connecting ring 71, the valve rod 3 is pushed to move up and down, so that the valve is controlled to be opened and closed, the upper end of the screw rod 4 is in threaded connection with the middle part of the second connecting block 6, the handle 11 is rotated, the handle 11 drives the screw rod 4 to rotate, the screw rod 4 is in threaded connection with the second connecting block 6, the screw rod 4 moves upwards relative to the second connecting block 6 when rotating, the rotary disc 72 is driven by the screw rod 4 to rotate in the connecting ring 71, the connecting ring 71 moves upwards through the rotary disc 72, the connecting ring 71 slides upwards on the inner wall of the assembling cavity 61, the connecting ring 71 drives the valve rod 3 to move upwards, and the valve rod 3 drives the valve core 12 to move upwards to open a flow passage in the valve body 1;
first seal assembly 8: the sealing structure is arranged between the lower surface of the first connecting block 5 and the upper surface of the valve body 1, the first sealing assembly 8 comprises an elastic rubber ring 81, the elastic rubber ring 81 is arranged in the middle of the outer arc surface of the valve rod 3, the outer edge of the elastic rubber ring 81 is respectively connected with the lower surface of the first connecting block 5 and the upper surface of the valve body 1 in a sealing manner, sealing rings 82 are arranged on the upper surface and the outer edge of the lower surface of the elastic rubber ring 81, the upper sealing ring 82 is fixedly connected with the inner wall of a matching groove arranged on the outer edge of the lower surface of the first connecting block 5, the lower sealing ring 82 is fixedly connected with the inner wall of the matching groove arranged on the outer edge of the upper surface of the valve body 1, the elastic rubber ring 81 is fixedly connected with the outer arc surface of the valve rod 3 to prevent liquid from leaking upwards along the outer arc surface of the valve rod 3, the unique structural design of the sealing rings 82 can effectively prevent the liquid from leaking from the joint of the valve body 1 and the first connecting block 5, a complete sealing effect is achieved, and the sealing performance is improved;
second seal assembly 9: the sealing gasket 91 is arranged at the bottom of the groove 13 of the valve body 1, the first sealing component 8 is in sliding connection with the outer arc surface of the valve rod 3, the second sealing component 9 comprises a sealing gasket 91 and a pressing plate 92, the sealing gasket 91 is arranged at the bottom surface of the groove 13 of the valve body 1, the lower end of the sealing gasket 91 is conical, the inner arc surface of the sealing gasket 91 is in sliding connection with the outer arc surface of the valve rod 3, the pressing plate 92 is fixedly connected with the upper surface of the valve body 1 through a locking bolt 93, the lower surface of the pressing plate 92 is in contact with the upper surface of the sealing gasket 91, the sealing gasket 91 has a primary sealing effect on the valve rod 3, the pressing plate 92 increases the pressure on the sealing gasket 91, the sealing performance is improved, and meanwhile, the sealing gasket 91 is convenient to replace;
wherein: still include flange 2, flange 2 sets up respectively in the left and right sides both ends of valve body 1, is convenient for valve body 1 and external piping connection.
Wherein: still include handle 11, handle 11 sets up in the top of screw rod 4, makes things convenient for opening and closing of valve.
When in use: the valve body 1 is connected with an external pipeline through a connecting flange 2, a handle 11 is rotated, the handle 11 drives a screw rod 4 to rotate, the screw rod 4 is in threaded connection with a second connecting block 6, the screw rod 4 moves upwards relative to the second connecting block 6 when rotating, the screw rod 4 drives a rotary disc 72 to rotate inside a connecting ring 71, the screw rod 4 drives the connecting ring 71 to move upwards through the rotary disc 72, the connecting ring 71 slides upwards on the inner wall of an assembly cavity 61, the connecting ring 71 drives a valve rod 3 to move upwards, the valve rod 3 drives a valve core 12 to move upwards to open a flow passage inside the valve body 1, a primary sealing effect is achieved on the valve rod 3 by a sealing gasket 91, the pressure of the sealing gasket 91 is increased by a pressure plate 92, the sealing performance is improved, meanwhile, the sealing gasket 91 is convenient to replace, the elastic rubber ring 81 is fixedly connected with the outer arc surface of the valve rod 3 to prevent liquid from leaking upwards along the outer arc surface of the valve rod 3, and the unique structural design of the sealing ring 82 can effectively prevent the liquid from leaking from the connection position of the valve body 1 and the first connecting block 5, the sealing device has the function of complete sealing and improves the sealing performance.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a valve with dual sealing function which characterized in that: comprises a valve body (1), a first sealing component (8) and a second sealing component (9);
valve body (1): the middle part of the valve body is provided with a sliding groove (101), the inside of the sliding groove (101) is connected with a valve core (12), the upper surface of the valve core (12) is fixedly connected with a valve rod (3), the upper surface of the valve body (1) is sequentially provided with a first connecting block (5) and a second connecting block (6) from bottom to top, the second connecting block (6), the first connecting block (5) and the valve body (1) are fixedly connected through a stud (10), the lower surface of the first connecting block (5) and the upper surface of the valve body (1) are both provided with a groove (13), the outer arc surface of the valve rod (3) is respectively connected with the inner wall of a through hole arranged inside the valve body (1) and the first connecting block (5) in a sliding manner, the top end of the valve rod (3) is provided with a connecting component (7), the connecting component (7) is connected with the inner wall of an assembly cavity (61) arranged on the lower surface of the second connecting block (6) in a sliding manner, the upper end of the connecting component (7) is provided with a screw rod (4), the upper end of the screw rod (4) is in threaded connection with the middle part of the second connecting block (6);
first sealing assembly (8): is arranged between the lower surface of the first connecting block (5) and the upper surface of the valve body (1);
second sealing assembly (9): the first sealing component (8) is arranged at the bottom of the groove (13) of the valve body (1) and is in sliding connection with the outer arc surface of the valve rod (3);
wherein: the valve body is characterized by further comprising connecting flanges (2), wherein the connecting flanges (2) are respectively arranged at the left end and the right end of the valve body (1).
2. A valve with dual sealing function as claimed in claim 1, wherein: the connecting assembly (7) comprises a connecting ring (71), the connecting ring (71) is arranged on the upper surface of the valve rod (3), the outer arc surface of the connecting ring (71) is in sliding connection with the inner wall of the assembly cavity (61), a rotary disc (72) is connected to the connecting ring (71) in a rotating mode, the upper surface of the rotary disc (72) is fixedly connected with the lower surface of the screw rod (4), and the lower end of the outer arc surface of the screw rod (4) is connected with the inner wall of the through hole formed in the upper end of the connecting ring (71) in a rotating mode.
3. A valve with dual sealing function as claimed in claim 1, wherein: first seal assembly (8) include elastic rubber ring (81), elastic rubber ring (81) set up in the outer cambered surface middle part of valve rod (3), the outer edge of elastic rubber ring (81) respectively with the lower surface and the valve body (1) upper surface sealing connection of first connecting block (5), elastic rubber ring (81) upper surface and lower surface are outer along all being equipped with sealing ring (82), the cooperation inslot wall fixed connection of setting is followed outward to the sealing ring (82) of top and first connecting block (5) lower surface, sealing ring (82) of below and valve body (1) upper surface are outer along the cooperation inslot wall fixed connection that sets up.
4. A valve with dual sealing function as claimed in claim 1, wherein: second seal assembly (9) are including sealed pad (91) and clamp plate (92), sealed pad (91) are placed in recess (13) bottom surface of valve body (1), and the lower extreme that sealed pad (91) is the toper, and the extrados sliding connection of intrados and valve rod (3) of sealed pad (91), and clamp plate (92) are connected through the last fixed surface of locking bolt (93) with valve body (1), and the lower surface of clamp plate (92) and the last surface contact who seals pad (91).
5. A valve with dual sealing function as claimed in claim 1, wherein: the handle (11) is further included, and the handle (11) is arranged at the top end of the screw rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023269310.3U CN214146614U (en) | 2020-12-30 | 2020-12-30 | Valve with double sealing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023269310.3U CN214146614U (en) | 2020-12-30 | 2020-12-30 | Valve with double sealing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214146614U true CN214146614U (en) | 2021-09-07 |
Family
ID=77544273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023269310.3U Active CN214146614U (en) | 2020-12-30 | 2020-12-30 | Valve with double sealing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214146614U (en) |
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2020
- 2020-12-30 CN CN202023269310.3U patent/CN214146614U/en active Active
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