CN112984131A

CN112984131A - Single-seat bidirectional metal sealing valve seat

Info

Publication number: CN112984131A
Application number: CN202110194243.3A
Authority: CN
Inventors: 林超; 金克雨; 尚玉来; 金瑞建; 缑志奇; 叶超超; 余康; 丁士亮; 庞庭
Original assignee: Zhejiang Bertley Technology Co ltd
Current assignee: Zhejiang Bertley Technology Co ltd
Priority date: 2021-02-20
Filing date: 2021-02-20
Publication date: 2021-06-18
Anticipated expiration: 2041-02-20
Also published as: CN112984131B

Abstract

The invention discloses a single-seat bidirectional metal sealing valve seat, which comprises a base, wherein a rotating mechanism is arranged at the top of the base, a hydraulic rod is rotatably connected to the top of the base, which is positioned on the side surface of the rotating mechanism, a supporting plate is fixedly connected to the top of the hydraulic rod, a control mechanism is arranged at the top of the supporting plate, a valve body is fixedly connected to the side surface of the control mechanism, which is positioned on the top of the supporting plate, through the arrangement of the control mechanism, when a valve needs to be controlled to be opened and closed, the hydraulic rod is firstly controlled to push a first rack forward, then a transmission gear can rotate along with the movement of the first rack and drive a movable rod fixedly connected with the transmission gear to rotate, when the movable rod rotates, a lifting plate movably connected with a limiting rod can be jacked upwards, so that a second rack meshed with the rotating rod moves upwards to drive the rotating rod to rotate, and when the rotating rod, so that the valve constitutes an open or closed state.

Description

Single-seat bidirectional metal sealing valve seat

Technical Field

The invention relates to the field of valve seats, in particular to a single-seat bidirectional metal sealing valve seat.

Background

The valve seat is a detachable part and is mainly used for supporting the fully closed position of the valve core and forming a sealing pair, the diameter of the common valve seat is the maximum circulation diameter of the valve, the valve seat is made of various materials at present, and rubber, plastic or metal can be used as the material of the valve seat.

However, many valve seats have single function, only have the function of fixing the valve core, have many limitations in practical use, bring inconvenience to users, and therefore a single-seat bidirectional metal sealing valve seat is provided.

Disclosure of Invention

The invention aims to provide a single-seat bidirectional metal sealing valve seat, which solves the problems that the polishing step of the existing metal ring production equipment in the background art needs manual polishing, and only an inner ring or an outer ring can be polished when a machine is used for polishing.

In order to achieve the purpose, the invention provides the following technical scheme: a single-seat bidirectional metal sealing valve seat comprises a base, wherein a rotating mechanism is installed at the top of the base, a hydraulic rod is rotatably connected to the top of the base, which is positioned on the side surface of the rotating mechanism, a supporting plate is fixedly connected to the top of the hydraulic rod, a control mechanism is installed at the top of the supporting plate, a valve body is fixedly connected to the side surface of the control mechanism, which is positioned on the top of the supporting plate, a linking disc is connected inside the valve body, a first spring is fixedly connected to the side surface of the linking disc, a first semicircular ring is attached to the bottom of the linking disc, a second semicircular ring is embedded into the bottom of the first semicircular ring, a turnover plate is attached to the inner rings of the first semicircular ring and the second semicircular ring, a rotating rod penetrates through one end of the valve body, a through pipe is installed on one side of the valve body, a feeding pipe is rotatably connected, the top of the base is positioned on the side surface of the rotating mechanism and is rotatably connected with a bearing rod.

Preferably, rotary mechanism includes motor, bevel gear, rotor plate, spacing frame and embedding pole, the motor is installed in the top of base, and the bevel gear is installed to the output of motor, the top fixedly connected with rotor plate of bevel gear, and the top of rotor plate installs spacing frame, the inside embedding of spacing frame has the embedding pole.

Preferably, the rotating plate is embedded into the limiting frame and is in sliding connection with the limiting frame, the rotating plate is located at the edge of the bevel gear, the rotating plate drives the embedding rod through the limiting frame to form a rotating structure, and the embedding rod is fixedly connected with the supporting plate.

Preferably, control mechanism includes first rack, drive gear, joint pole, movable rod, gag lever post, lifter plate and second rack, first rack sliding connection is in the top of backup pad, and the top meshing of first rack has drive gear, drive gear's surface runs through there is the joint pole, and the side fixedly connected with movable rod of joint pole, the side of first rack is located the top fixedly connected with gag lever post of backup pad, and the surface of gag lever post runs through there is the lifter plate, the top fixedly connected with second rack of lifter plate.

Preferably, the hydraulic rod is fixedly connected with the first rack, the joint rod is located at the center of the transmission gear, the joint rod is fixedly connected with the transmission gear, and the movable rod is in two-section type rotary connection.

Preferably, the lifting plate is in sliding connection with the limiting rod, a tooth column is arranged on the surface of the rotating rod, and the second rack is meshed with the tooth column on the surface of the rotating rod.

Preferably, the size of first semicircle ring and second semicircle ring is unanimous, and the thickness of first semicircle ring is greater than the thickness of second semicircle ring, the valve body be provided with first semicircle ring and second semicircle ring assorted recess, and first semicircle ring, second semicircle ring and linking disc all imbed the recess inside and rather than sliding connection, the rotary rod runs through valve body and returning face plate fixed connection.

Preferably, the mechanism that opens and shuts includes supporting disk, U-shaped board, second spring, atress board, transfer line and closure plate, supporting disk fixed mounting is in the surface of siphunculus, and the top fixedly connected with U-shaped board of supporting disk, the side of shaped board runs through there is the second spring, and second spring fixed surface is connected with the atress board, the bottom fixed connection of atress board connects the transfer line, and the bottom fixedly connected with closure plate of transfer line.

Preferably, the closing plate is provided with three groups with equal angles about the circle center of the supporting disc, the transmission rod penetrates through the closing plate and is fixedly connected with the feeding pipe, and the through pipe drives the closing plate to form a rotating structure through rotation.

Compared with the prior art, the invention has the beneficial effects that:

1. this kind of two-way metal seal disk seat of single seat, through rotary mechanism's setting, when the whole direction of this valve of needs adjustment, it is rotatory through the motor control bevel gear, when the bevel gear is rotatory, can drive the rotor plate rotatory with self fixed connection, because inside the spacing frame of rotor plate embedding, spacing frame can rotate thereupon when the rotor plate is rotatory, and spacing frame can cooperate with the bearing bar with base swivelling joint and drive the embedding pole and constitute revolution mechanic, make the embedding pole drive the backup pad rotatory.

2. This kind of two-way metal seal disk seat of single seat, setting through control mechanism, when needing control flap to open and close, at first the control hydraulic stem with first rack propelling movement forward, drive gear can be rotatory along with the removal of first rack afterwards, and it is rotatory to drive the movable rod with self fixed connection, when the movable rod is rotatory, can be with gag lever post swing joint's lifter plate jack-up that makes progress, make the second rack rebound with rotary rod meshing drive the rotary rod rotatory, when the rotary rod is rotatory, can drive rather than fixed connection's returning face plate rotatory, make the valve constitute and open or closed state.

3. This kind of two-way metal seal disk seat of single seat, through the setting of mechanism that opens and shuts, when rotatory and siphunculus swivelling joint's inlet pipe, the inlet pipe can drive rotatory with self fixed connection's transfer line, and the transfer line can drive the atress board through the second spring and to one side skew afterwards, and the atress board and then can drive the closure plate through the transfer line and constitute rotatoryly for three closure plates of group seal the feed port, prevent that the feed port from having the dust to get into when not using.

4. This two-way metal seal disk seat of single seat, through the setting of first semicircle ring and second semicircle ring, when the weather is cold, the diameter of siphunculus can reduce when the siphunculus volume reduces and lead to the fact the extrusion to two sets of semicircle rings, and two sets of semicircle rings can remove to both sides to the first spring of siphunculus drives two sets of linking discs and opens to the side, makes first semicircle ring and second semicircle ring can not lead to the fact the extrusion to the upset board and prevent that the part from damaging.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the valve body according to the present invention;

FIG. 3 is a schematic view of a control mechanism of the present invention;

FIG. 4 is a schematic view of an opening and closing mechanism according to the present invention;

FIG. 5 is a schematic side view of the present invention;

FIG. 6 is a schematic top view of the present invention;

FIG. 7 is a schematic three-dimensional structure of the present invention;

fig. 8 is a schematic view of a rotating mechanism according to the present invention.

In the figure: 1. a base; 2. a rotation mechanism; 201. a motor; 202. a bevel gear; 203. a rotating plate; 204. a limiting frame; 205. an embedded rod; 3. a support plate; 4. a hydraulic lever; 5. a control mechanism; 501. a first rack; 502. a transmission gear; 503. a connecting rod; 504. a movable rod; 505. a limiting rod; 506. a lifting plate; 507. a second rack; 6. a valve body; 7. connecting the disks; 8. a first spring; 9. a first semicircular ring; 10. a second semi-circular ring; 11. a turnover plate; 12. rotating the rod; 13. a feed pipe; 14. an opening and closing mechanism; 1401. a support disc; 1402. a U-shaped plate; 1403. a second spring; 1404. a stress plate; 1405. a transmission rod; 1406. a closing plate; 15. pipe passing; 16. a load-bearing bar.

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 to 8, in an embodiment of the present invention, a single-seat bidirectional metal seal valve seat includes a base 1, a rotating mechanism 2 is installed on a top of the base 1, the rotating mechanism 2 includes a motor 201, a bevel gear 202, a rotating plate 203, a limiting frame 204, and an embedded rod 205, the motor 201 is installed on the top of the base 1, the bevel gear 202 is installed on an output end of the motor 201, the rotating plate 203 is fixedly connected to a top of the bevel gear 202, the limiting frame 204 is installed on the top of the rotating plate 203, the rotating plate 203 is embedded in the limiting frame 204 and slidably connected thereto, the rotating plate 203 is located at an edge of the bevel gear 202, the rotating plate 203 drives the embedded rod 205 through the limiting frame 204 to form a rotating structure, the embedded rod 205 is fixedly connected to the support plate 3, the limiting frame 204 can be driven to form a rotating structure when the rotating structure is rotated by, through the setting of rotary mechanism 2, can drive the whole constitution of valve and rotate, be convenient for adjust the direction of valve.

The top of the base 1 is rotatably connected with a hydraulic rod 4 on the side of the rotating mechanism 2, the top of the hydraulic rod 4 is fixedly connected with a support plate 3, the top of the support plate 3 is provided with a control mechanism 5, the side of the control mechanism 5 is fixedly connected with a valve body 6 on the top of the support plate 3, the control mechanism 5 comprises a first rack 501, a transmission gear 502, a connecting rod 503, a movable rod 504, a limiting rod 505, a lifting plate 506 and a second rack 507, the first rack 501 is slidably connected with the top of the support plate 3, the top of the first rack 501 is engaged with the transmission gear 502, the hydraulic rod 4 is fixedly connected with the first rack 501, the connecting rod 503 is positioned at the center of the transmission gear 502, the connecting rod 503 is fixedly connected with the transmission gear 502, the movable rod 504 is in two-section rotary connection, and when the hydraulic rod rotates, the hydraulic rod can be driven 506 by the movable rod, the surface of the transmission gear 502 is penetrated by a connecting rod 503, the side of the connecting rod 503 is fixedly connected with a movable rod 504, the side of the first rack 501 is positioned at the top of the support plate 3 and is fixedly connected with a limit rod 505, the surface of the limit rod 505 is penetrated by a lifting plate 506, the lifting plate 506 is in sliding connection with the limit rod 505, the surface of the rotary rod 12 is provided with a tooth post, a second tooth rack 507 is meshed with the tooth post on the surface of the rotary rod 12, through the setting of the second tooth rack 507, when the lifting rod rises, the rotary rod 12 can be driven to rotate, the rotary rod 12 can further drive the turnover plate to form a rotary structure, the top of the lifting plate 506 is fixedly connected with the second tooth rack 507, through the setting of the control mechanism 5, the turnover plate 11 can be controlled to rotate when the valve is opened or.

The inner part of the valve body 6 is connected with a connecting disc 7, the side surface of the connecting disc 7 is fixedly connected with a first spring 8, the bottom of the connecting disc 7 is jointed with a first semicircular ring 9, the first semicircular ring 9 and a second semicircular ring 10 have the same size, the thickness of the first semicircular ring 9 is larger than that of the second semicircular ring 10, the valve body 6 is provided with a groove matched with the first semicircular ring 9 and the second semicircular ring 10, the first semicircular ring 9, the second semicircular ring 10 and the connecting disc 7 are all embedded into the groove and are in sliding connection with the groove, a rotating rod 12 penetrates through the valve body 6 and is fixedly connected with a turnover plate 11, when the two groups of semicircular rings move towards the middle part, the connecting disc 7 can be pushed aside due to resistance, so that the connecting disc cannot be extruded to the 11 by itself, the second semicircular ring 10 is embedded into the bottom of the first semicircular ring 9, and the inner ring of the second semicircular ring 10 is jointed with the turnover plate 11, one end of the valve body 6 penetrates through the rotating rod 12, one side of the valve body 6 is provided with a through pipe 15, the through pipe 15 is rotatably connected with a feeding pipe 13, the side surface of the feeding pipe 13 is provided with an opening and closing mechanism 14, the opening and closing mechanism 14 comprises a supporting plate 1401, a U-shaped plate 1402, a second spring 1403, a stress plate 1404, a transmission rod 1405 and a closing plate 1406, the supporting plate 1401 is fixedly arranged on the surface of the through pipe 15, the top of the supporting plate 1401 is fixedly connected with the U-shaped plate 1402, the side surface of the U-shaped plate 1402 penetrates through the second spring 1403, the surface of the second spring 1403 is fixedly connected with the stress plate 1404, the bottom of the stress plate 1404 is fixedly connected with the transmission rod 1405, the bottom of the transmission rod 1405 is fixedly connected with the closing plate 1406, three groups of the closing plate 1406 are arranged at equal angles relative to the circle center of the supporting plate 1401, the transmission rod penetrates through the closing, when the feed inlet is not used, a closed structure can be formed by a plurality of groups of closing plates 1406 to prevent dust from entering, the dust can be prevented from entering the valve from the feed pipe 13 by arranging the opening and closing mechanism 14, and the top of the base 1 is rotatably connected with a bearing rod 16 on the side surface of the rotating mechanism 2.

The working principle of the invention is as follows: when the valve needs to be opened, the first rack 501 is controlled to move forwards through the hydraulic rod 4, the transmission gear 502 is meshed with the first rack 501, the transmission gear 502 is driven to rotate when the first rack 501 slides forwards, the transmission gear 502 is driven to rotate when the transmission gear 502 rotates, the movable rod 504 is driven to rotate through the connecting rod 503, the movable rod 504 rotates and then pushes the lifting plate 506 connected with the limiting rod 505 in a sliding manner upwards, the second rack 507 rises along with the lifting plate 506, the rotary rod 12 is driven to rotate when the second rack 507 rises due to the meshing of the second rack 507 and the rotary rod 12, the rotary rod 12 rotates and then drives the turnover plate 11 fixedly connected with the rotary rod to rotate, so that the valve is in an opening state, when the feeding of the feeding pipe 13 is not needed, in order to prevent dust from entering, the feeding pipe 13 rotationally connected with the through pipe 15 is rotated, when the feeding pipe 13 rotates, the driving rod 1405 fixedly connected with the feeding pipe is driven to rotate, after the driving rod 1405 rotates, the stress plate 1404 fixedly connected with the driving rod is driven to deflect to one side, when the stress plate 1404 deflects, the driving rod 1405 drives the closing plate 1406 to form a rotating structure, so that the three groups of closing plates 1406 form a disc shape to seal the top of the feeding hole and prevent dust from entering, if the overall direction of the valve needs to be adjusted, the motor 201 is turned on to control the bevel gear 202 to rotate, the bevel gear 202 then drives the rotating plate 203 to rotate, because the rotating plate 203 is embedded inside the limiting frame 204, when the rotating plate 203 rotates, the limiting frame 204 is driven to rotate, then the limiting frame 204 is matched with the bearing rod 16 to drive the embedded rod 205 to form a rotation, the embedded rod 205 then drives the valve to integrally rotate through the supporting plate 3, when the weather is cold, the diameter of the through pipe 15 may be reduced when the through pipe 15 reduces, two sets of semicircle rings can move to both sides, and siphunculus 15 can drive two sets of linking discs 7 through first spring 8 and open to the side for first semicircle ring 9 and second semicircle ring 10 can not cause the extrusion to overturn plate 11 and prevent the part damage.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a two-way metal seal disk seat of single seat, includes base (1), its characterized in that: the hydraulic valve is characterized in that a rotating mechanism (2) is installed at the top of a base (1), a hydraulic rod (4) is rotatably connected to the side, located on the rotating mechanism (2), of the top of the base (1), a supporting plate (3) is fixedly connected to the top of the hydraulic rod (4), a control mechanism (5) is installed at the top of the supporting plate (3), a valve body (6) is fixedly connected to the side, located on the top of the supporting plate (3), of the side of the control mechanism (5), a linking disc (7) is connected to the inside of the valve body (6), a first semi-circular ring (9) is fixedly connected to the side of the linking disc (7), a second semi-circular ring (10) is embedded into the bottom of the first semi-circular ring (9), a turnover plate (11) is attached to the inner rings of the first semi-circular ring (9) and the second semi-circular ring (10), a rotating rod (12) penetrates through one end of the valve body, and siphunculus (15) are installed to one side of valve body (6), swivelling joint has inlet pipe (13) on siphunculus (15), and the side-mounting of inlet pipe (13) has mechanism (14) that opens and shuts, the side swivelling joint that the top of base (1) is located rotary mechanism (2) has bearing bar (16).

2. A single seat, bi-directional metal seal valve seat according to claim 1, wherein: rotary mechanism (2) include motor (201), bevel gear (202), rotor plate (203), spacing frame (204) and embedding pole (205), motor (201) are installed in the top of base (1), and bevel gear (202) are installed to the output of motor (201), the top fixedly connected with rotor plate (203) of bevel gear (202), and spacing frame (204) are installed at the top of rotor plate (203), embedding pole (205) have in the inside embedding of spacing frame (204).

3. A single seat, bi-directional metal seal valve seat according to claim 2, wherein: the rotating plate (203) is embedded into the limiting frame (204) and is in sliding connection with the limiting frame, the rotating plate (203) is located at the edge of the bevel gear (202), the rotating plate (203) drives the embedding rod (205) through the limiting frame (204) to form a rotating structure, and the embedding rod (205) is fixedly connected with the supporting plate (3).

4. A single seat, bi-directional metal seal valve seat according to claim 1, wherein: control mechanism (5) include first rack (501), drive gear (502), join pole (503), movable rod (504), gag lever post (505), lifter plate (506) and second rack (507), first rack (501) sliding connection has drive gear (502) at the top of backup pad (3), and the meshing of the top of first rack (501), the surface of drive gear (502) has been run through and has been joined pole (503), and the side fixedly connected with movable rod (504) of joining pole (503), the side of first rack (501) is located top fixedly connected with gag lever post (505) of backup pad (3), and the surface of gag lever post (505) has been run through and has lifter plate (506), the top fixedly connected with second rack (507) of lifter plate (506).

5. The single seat, double direction metal seal valve seat according to claim 4, wherein: the hydraulic rod (4) is fixedly connected with the first rack (501), the connecting rod (503) is located at the circle center of the transmission gear (502), the connecting rod (503) is fixedly connected with the transmission gear (502), and the movable rod (504) is in two-section type rotary connection.

6. The single seat, double direction metal seal valve seat according to claim 4, wherein: the lifting plate (506) is in sliding connection with the limiting rod (505), a tooth column is arranged on the surface of the rotating rod (12), and the second rack (507) is meshed with the tooth column on the surface of the rotating rod (12).

7. A single seat, bi-directional metal seal valve seat according to claim 1, wherein: the size of first semicircle ring (9) and second semicircle ring (10) is unanimous, and the thickness of first semicircle ring (9) is greater than the thickness of second semicircle ring (10), valve body (6) are provided with first semicircle ring (9) and second semicircle ring (10) assorted recess, and first semicircle ring (9), second semicircle ring (10) and linking disc (7) all imbed inside the recess and rather than sliding connection, rotary rod (12) run through valve body (6) and returning face plate (11) fixed connection.

8. A single seat, bi-directional metal seal valve seat according to claim 1, wherein: the opening and closing mechanism (14) comprises a supporting disc (1401), a U-shaped plate (1402), a second spring (1403), a stress plate (1404), a transmission rod (1405) and a closing plate (1406), wherein the supporting disc (1401) is fixedly installed on the surface of the through pipe (15), the U-shaped plate (1402) is fixedly connected to the top of the supporting disc (1401), the second spring (1403) penetrates through the side face of the U-shaped plate (1402), the stress plate (1404) is fixedly connected to the surface of the second spring (1403), the transmission rod (1405) is fixedly connected to the bottom of the stress plate (1404), and the closing plate (1406) is fixedly connected to the bottom of the transmission rod (1405).

9. A single seat, bi-directional metal seal valve seat according to claim 1, wherein: the closing plate (1406) is provided with three groups at equal angles relative to the circle center of the supporting plate (1401), the transmission rod (1405) penetrates through the closing plate (1406) and is fixedly connected with the feeding pipe (13), and the through pipe (15) drives the closing plate (1406) to form a rotating structure through rotation.