CN213685333U - Split type gate valve - Google Patents
Split type gate valve Download PDFInfo
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- CN213685333U CN213685333U CN202022468178.2U CN202022468178U CN213685333U CN 213685333 U CN213685333 U CN 213685333U CN 202022468178 U CN202022468178 U CN 202022468178U CN 213685333 U CN213685333 U CN 213685333U
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- frame
- gate valve
- split type
- guide rail
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Abstract
The utility model discloses a split type push-pull valve, include: the first flange, the frame and the second flange sequentially penetrate through and are detachably fixed, the first sealing gasket and the second sealing gasket; a pair of guide rails oppositely arranged on the frame; the two sides of the sliding frame are respectively connected with the pair of guide rails in a sliding manner; the plug board is arranged parallel to the disc surface of the first flange, and a third sealing gasket is laid on the surface of the plug board facing the first flange; two ends of the connecting rod are respectively hinged to the sliding frame and the inserting plate, and rotating shafts at hinged positions of the two ends of the connecting rod are perpendicular to the track direction of the guide rail; and the limiting block is arranged on the frame and is positioned at one end of the guide rail, wherein when the first sealing gasket is abutted against the disc surface of the first flange to seal the cavity of the first flange, one end of the plug board is abutted against the limiting block. The utility model discloses split type structural design is adopted to having to reduce welding deformation, and the beneficial effect of convenient maintenance.
Description
Technical Field
The utility model relates to a vacuum seal technical field. More specifically, the utility model relates to a split type push-pull valve.
Background
The gate of the sealed cavity generally uses a gate valve, the gate valve has obvious effect on sealing an entrance with larger area, the gate valve comprises a gate frame, a gate, a guide rail, a sliding frame, a connecting rod, a limiting block and a driving mechanism, the driving mechanism drives the sliding frame to move up and down along the guide rail, and then the sliding frame drives the gate to move up and down, so that the opening and closing of the sealed cavity are realized. However, the large gate valve is integrally welded, is easy to deform, heavy and not easy to maintain.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.
The utility model discloses it is still another object to provide a split type push-pull valve, adopt first flange be used for with treat sealed cavity on adopt the bolted connection mode to be connected, the junction sets up sealed the pad, convenient from treating that sealed cavity is pulled down, through just maintenance, the second flange is convenient to be connected with butt joint equipment, when needing the maintenance, also conveniently pulls down the maintenance to there is the effect that first sealed pad, the sealed pad of second, the sealed pad of third, also can keep vacuum sealing performance.
In order to achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a split type gate valve, including:
the flange structure comprises a first flange, a frame and a second flange, wherein the first flange, the frame and the second flange sequentially penetrate through and are detachably fixed, a first sealing gasket is arranged between the surfaces, in contact with the frame, of the first flange, and a second sealing gasket is arranged between the surfaces, in contact with the frame, of the second flange;
the pair of guide rails are oppositely arranged on the frame, and the track direction of the guide rails is parallel to the disc surface of the first flange;
the two sides of the sliding frame are respectively connected with the pair of guide rails in a sliding manner;
the plug board is arranged in parallel to the disc surface of the first flange, and a third sealing gasket is laid on the surface of the plug board facing the first flange;
two ends of the connecting rod are respectively hinged to the sliding frame and the inserting plate, and rotating shafts at hinged positions of the two ends of the connecting rod are perpendicular to the track direction of the guide rail;
and the limiting block is arranged on the frame and is positioned at one end of the guide rail, wherein when the first sealing gasket is abutted against the disc surface of the first flange to seal the cavity of the first flange, one end of the inserting plate is abutted against the limiting block.
Preferably, the device further comprises an air cylinder which is arranged on the frame, the moving end of the air cylinder is connected with one end, away from the limiting block, of the sliding frame, and the moving direction of the moving end of the air cylinder is parallel to the track direction of the guide rail.
Preferably, the frame is a rectangular parallelepiped door frame.
Preferably, a pair of guide rails are oppositely disposed on the inner side edges of the door frame.
Preferably, the opposite surfaces of the pair of guide rails are provided with grooves with opposite openings;
the sliding frame is characterized in that guide wheels are respectively and rotatably connected to two sides of the sliding frame, and the guide wheels are contained in the two grooves.
Preferably, the apparatus further comprises a rail fixing mechanism, which includes:
the pair of fixing seats are oppositely arranged on the inner side wall of the door frame and are L-shaped, one side surface of one side of each fixing seat is fixed with the inner side wall of the door frame, and the other side surface of each fixing seat is abutted against the bottom surface of the corresponding guide rail;
a plurality of first threaded holes are formed in the side wall of the guide rail, and a first through hole and a plurality of second threaded holes corresponding to the first threaded holes are formed in the other side of the fixed seat;
the first bolts are screwed on the second threaded holes, the end portions of the second bolts abut against the side walls of the guide rails, and the second bolts penetrate through the first through holes and are screwed on the first threaded holes.
Preferably, the docking mechanism further comprises a plurality of docking gripping mechanisms, each docking gripping mechanism comprising:
the support is fixed on the outer side wall of the door frame at one end;
the rotating plate comprises a hinge part and a connecting part which are integrally formed, the hinge part is hinged with the support, and a third threaded hole is formed in the connecting part, wherein when the rotating plate rotates to a terminal point along a rotating shaft at the hinge part away from the second flange, the axial projections of the rotating plate and the second flange along the second flange are not overlapped, and when the rotating plate rotates to the terminal point along the rotating shaft at the hinge part towards the second flange, the axial projections of the rotating plate and the second flange along the second flange are overlapped;
and when the third threaded hole is overlapped with the second flange along the axial projection of the second flange, the end part of the third bolt is in threaded connection with the third threaded hole and abuts against the equipment flange butted with the second flange.
Preferably, the third gasket includes:
the surface of one side of the first rubber ring is laid on the frame, and the surface of the other side of the first rubber ring is provided with an annular groove;
the metal ring is clamped in the groove;
the foam ring is laid on the metal ring and clamped in the groove;
and the second rubber ring is laid on the first rubber ring and the foam ring, and the inner diameter and the outer diameter of the second rubber ring are the same as those of the first rubber ring.
The utility model discloses at least, include following beneficial effect:
firstly, because the push-pull valve is used for sealing the vacuum cavity usually, receives the pressure effect for a long time, takes place to warp easily, and the push-pull valve among the prior art adopts welded mode usually to fix with the cavity of treating sealed, consequently, breaks down when the push-pull valve, when needing the maintenance, and is very inconvenient. Adopt first flange be used for with treat that the sealed cavity is gone up to adopt bolted connection mode to be connected, the junction sets up sealed the pad, conveniently from treating that the sealed cavity is pulled down, through just maintenance, the second flange is convenient to be connected with butt-joint equipment, when needing the maintenance, also conveniently pulls down the maintenance to have the effect of first sealed pad, the sealed pad of second, the sealed pad of third, also can keep the sealing performance of vacuum.
Second, guide rail fixed establishment, the door frame is installed to the guide rail to the convenience, if the guide rail takes place to bend the back, can be quick pull down the guide rail, maintain, after having maintained, also can be accurate install to the normal position.
Thirdly, after being connected with the butt joint equipment, in order to guarantee the compactness of connecting, increase butt joint clamping mechanism, when the rotor plate is screwed off, can be with the flange and the second flange connection of butt joint equipment, after being connected, with the rotor plate on screwing, make connecting portion be located preset position department, it is rotatory to adopt the hand wheel to drive the third bolt to the butt is to the flange of butt joint equipment, thereby locks, plays the effect of reinforcing compactness.
The fourth, the third is sealed to fill up because receive the oppression for a long time, and easy deformation keeps the function of gas tightness to weaken, adopts the multilayer design to increase metal loop and bubble cotton circle, in order to strengthen the rigidity effect, can satisfy the demand of deformation again, thereby postpone the life of the third sealed pad, reduce the change frequency. Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a front view of the gate valve according to one embodiment of the present invention;
fig. 2 is a side view of the gate valve according to one embodiment of the present invention;
fig. 3 is a side enlarged view of the gate valve according to one embodiment of the present invention;
fig. 4 is a detailed view of the guide rail fixing structure according to one embodiment of the present invention;
fig. 5 is a detailed view of the guide rail fixing structure according to one embodiment of the present invention;
fig. 6 is a detailed view of the docking clamping mechanism according to one embodiment of the present invention;
fig. 7 is a detailed view of the third gasket according to one embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-7, the utility model provides a split type push-pull valve, include:
the sealing structure comprises a first flange 1, a frame 2 and a second flange 3, wherein the first flange 1 is used for being connected with a cavity to be sealed in a bolt connection mode, a sealing gasket is arranged at the connection position, the first flange 1, the frame 2 and the second flange 3 sequentially penetrate through and are detachably fixed, the fixing mode is a bolt connection mode, a first sealing gasket is arranged between the surfaces, in contact with the frame 2, of the first flange 1, and a second sealing gasket is arranged between the surfaces, in contact with the frame 2, of the second flange 3;
the pair of guide rails 4 are oppositely arranged on the frame 2, and the track direction of the guide rails 4 is parallel to the disc surface of the first flange 1;
a sliding frame 5, two sides of which are respectively connected with the pair of guide rails 4 in a sliding way; the carriage 5 can be moved along a surface parallel to the door frame cavity.
The inserting plate 6 is arranged in parallel to the disc surface of the first flange 1, and a third sealing gasket is laid on the surface, facing the first flange 1, of the inserting plate 6; the carriage 5 can move the insert plate 6 along a surface parallel to the cavity of the door frame.
Two ends of the connecting rod 7 are respectively hinged to the sliding frame 5 and the inserting plate 6, and rotating shafts at hinged positions of the two ends of the connecting rod 7 are perpendicular to the track direction of the guide rail 4; the carriage 5 can move the insert plate 6 along a surface parallel to the cavity of the door frame.
And the limiting block 8 is arranged on the frame 2 and is positioned at one end of the guide rail 4, wherein when the first sealing gasket abuts against the disc surface of the first flange 1 to seal the cavity of the first flange 1, one end of the inserting plate 6 abuts against the limiting block 8. When picture peg 6 moves to butt to stopper 8 on, can't continue to move along guide rail 4 direction, and carriage 5 still keeps moving along guide rail 4 direction to can drive the one end of connecting rod 7 and continue forward, and the one end that lies in on picture peg 6 is forced to move towards first flange 1 because the effect of connecting rod 7, until first sealed pad butt in the quotation of first flange 1, thereby realize the sealing effect of picture peg 6, the stroke direction of opening just in opposite with closing, no longer describe repeatedly.
In the technical scheme, the gate valve is usually used for sealing a vacuum cavity, is easy to deform under the action of pressure for a long time, and is usually fixed with a cavity to be sealed in a welding mode in the prior art, so that the gate valve is inconvenient to maintain when the gate valve breaks down. Adopt first flange 1 be used for with treat that the sealed cavity is gone up to adopt bolted connection mode to be connected, the junction sets up sealed the pad, conveniently from treating that the sealed cavity is pulled down, through just maintenance, second flange 3 is convenient to be connected with butt joint equipment, when needing the maintenance, also conveniently pulls down the maintenance to have the effect of first sealed pad, the sealed pad of second, the sealed pad of third, also can keep vacuum sealing performance.
In another technical scheme, the device further comprises an air cylinder 9 arranged on the frame 2, the moving end of the air cylinder 9 is connected with one end, far away from the limiting block 8, of the sliding frame 5, and the moving direction of the moving end of the air cylinder 9 is parallel to the track direction of the guide rail 4. The air cylinder 9 is adopted to drive the sliding frame 5 to move, so that the device is convenient and labor-saving, and runs stably.
In another technical solution, the frame 2 is a rectangular parallelepiped door frame. The door frame is formed by bending and welding common steel plates, and is simple and durable.
In another solution, a pair of guide rails 4 are oppositely arranged on the inner side edge of the door frame. The mounting of the sliding frame 5 is facilitated.
In another technical scheme, grooves with opposite openings are formed on the opposite surfaces of the pair of guide rails 4;
the two sides of the sliding frame 5 are respectively connected with guide wheels 51 in a rotating manner, and the guide wheels 51 are accommodated in the two grooves. The guide wheel 51 slides in the groove in a balanced manner, and is reliable and low in resistance.
In another technical solution, the device further comprises a guide rail 4 fixing mechanism, which includes:
the pair of fixing seats 42 are oppositely arranged on the inner side wall of the door frame, the fixing seats 42 are L-shaped, one side surface of one side of each fixing seat 42 is fixed with the inner side wall of the door frame, and the other side surface of each fixing seat 42 is abutted against the bottom surface of the corresponding guide rail 4;
a plurality of first threaded holes are formed in the side wall of the guide rail 4, and a first through hole and a plurality of second threaded holes corresponding to the first threaded holes are formed in the other side of the fixed seat 42;
and a plurality of first bolts screwed to the second screw holes, ends of the second bolts abutting against the side wall of the guide rail 4, and a plurality of second bolts passing through the first through holes and screwed to the first screw holes.
The guide rail 4 is conveniently installed on the door frame, if the guide rail 4 is bent, the guide rail 4 can be quickly disassembled for maintenance, and after the maintenance is completed, the guide rail 4 can be accurately installed to the original position.
In another technical solution, the docking mechanism further comprises a plurality of docking clamping mechanisms, each docking clamping mechanism comprising:
a support 31 having one end fixed to an outer sidewall of the door frame;
a rotating plate 32, which includes an integrally formed hinge portion and a connecting portion, the hinge portion is hinged to the support 31, and a third threaded hole is provided on the connecting portion, wherein when the rotating plate 32 rotates along a rotating shaft at the hinge portion away from the second flange 3 to an end point, a projection of the rotating plate 32 and the second flange 3 along the axial direction of the second flange 3 does not overlap, and when the rotating plate 32 rotates along the rotating shaft at the hinge portion toward the second flange 3 to the end point, the projection of the rotating plate 32 and the second flange 3 along the axial direction of the second flange 3 overlaps;
and a hand wheel 33, on which a third bolt is arranged, and when the third threaded hole overlaps with the second flange 3 along the axial projection of the second flange 3, the end of the third bolt is screwed through the third threaded hole and abuts against the equipment flange butted with the second flange 3.
In the above technical scheme, after being connected with the docking equipment, for the compactness of guaranteeing to connect, increase butt joint clamping mechanism, when the rotor plate 32 is screwed off, can be connected the flange of docking equipment with second flange 3, after being connected, screw the rotor plate 32 on, make connecting portion be located preset position department, it is rotatory to adopt hand wheel 33 to drive the third bolt to the butt joint is to the flange of docking equipment on, thereby locking, plays the effect of reinforcing compactness.
In another aspect, the third gasket includes:
the surface of one side of the first rubber ring 21 is laid on the frame 2, and the surface of the other side of the first rubber ring 21 is provided with an annular groove;
the metal ring 22 is clamped in the groove;
the foam ring 23 is laid on the metal ring 22 and clamped in the groove;
and the second rubber ring 24 is laid on the first rubber ring 21 and the foam ring 23, and the inner diameter and the outer diameter of the second rubber ring 24 are the same as those of the first rubber ring 21.
The third sealing gasket is easy to deform due to long-term compression, the function of keeping the air tightness is weakened, the multilayer design is adopted, the metal ring 22 and the foam ring 23 are additionally arranged, the rigidity is enhanced, meanwhile, the deformation requirement can be met, the service life of the third sealing gasket is prolonged, and the replacement frequency is reduced.
In another technical scheme, the first flange 1 and the second flange 3 are made of aluminum alloy, the frame 2 is made of a common steel plate and is made of lightweight materials, so that the frame is light and convenient to disassemble and maintain.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (9)
1. Split type push-pull valve, its characterized in that includes:
the flange structure comprises a first flange, a frame and a second flange, wherein the first flange, the frame and the second flange sequentially penetrate through and are detachably fixed, a first sealing gasket is arranged between the surfaces, in contact with the frame, of the first flange, and a second sealing gasket is arranged between the surfaces, in contact with the frame, of the second flange;
the pair of guide rails are oppositely arranged on the frame, and the track direction of the guide rails is parallel to the disc surface of the first flange;
the two sides of the sliding frame are respectively connected with the pair of guide rails in a sliding manner;
the plug board is arranged in parallel to the disc surface of the first flange, and a third sealing gasket is laid on the surface of the plug board facing the first flange;
two ends of the connecting rod are respectively hinged to the sliding frame and the inserting plate, and rotating shafts at hinged positions of the two ends of the connecting rod are perpendicular to the track direction of the guide rail;
and the limiting block is arranged on the frame and is positioned at one end of the guide rail, wherein when the first sealing gasket is abutted against the disc surface of the first flange to seal the cavity of the first flange, one end of the inserting plate is abutted against the limiting block.
2. The split type gate valve according to claim 1, further comprising a cylinder disposed on the frame, wherein a moving end of the cylinder is connected to an end of the sliding frame away from the limiting block, and a moving direction of the moving end of the cylinder is parallel to a track direction of the guide rail.
3. The split type gate valve according to claim 1, wherein the frame is a rectangular parallelepiped shaped door frame.
4. A split gate valve as claimed in claim 3, wherein a pair of guide rails are oppositely disposed on the inner edge of the gate frame.
5. The split type gate valve according to claim 3, wherein the opposite surfaces of the pair of guide rails are provided with grooves with opposite openings;
the sliding frame is characterized in that guide wheels are respectively and rotatably connected to two sides of the sliding frame, and the guide wheels are contained in the two grooves.
6. The split type gate valve of claim 3, further comprising a guide fixing mechanism comprising:
the pair of fixing seats are oppositely arranged on the inner side wall of the door frame and are L-shaped, one side surface of one side of each fixing seat is fixed with the inner side wall of the door frame, and the other side surface of each fixing seat is abutted against the bottom surface of the corresponding guide rail;
a plurality of first threaded holes are formed in the side wall of the guide rail, and a first through hole and a plurality of second threaded holes corresponding to the first threaded holes are formed in the other side of the fixed seat;
the first bolts are screwed on the second threaded holes, the end portions of the second bolts abut against the side walls of the guide rails, and the second bolts penetrate through the first through holes and are screwed on the first threaded holes.
7. The split type gate valve of claim 3, further comprising a plurality of butt clamping mechanisms, each butt clamping mechanism comprising:
the support is fixed on the outer side wall of the door frame at one end;
the rotating plate comprises a hinge part and a connecting part which are integrally formed, the hinge part is hinged with the support, and a third threaded hole is formed in the connecting part, wherein when the rotating plate rotates to a terminal point along a rotating shaft at the hinge part away from the second flange, the axial projections of the rotating plate and the second flange along the second flange are not overlapped, and when the rotating plate rotates to the terminal point along the rotating shaft at the hinge part towards the second flange, the axial projections of the rotating plate and the second flange along the second flange are overlapped;
and when the third threaded hole is overlapped with the second flange along the axial projection of the second flange, the end part of the third bolt is in threaded connection with the third threaded hole and abuts against the equipment flange butted with the second flange.
8. The split gate valve of claim 1, wherein the third seal comprises:
the surface of one side of the first rubber ring is laid on the frame, and the surface of the other side of the first rubber ring is provided with an annular groove;
the metal ring is clamped in the groove;
the foam ring is laid on the metal ring and clamped in the groove;
and the second rubber ring is laid on the first rubber ring and the foam ring, and the inner diameter and the outer diameter of the second rubber ring are the same as those of the first rubber ring.
9. The split type gate valve according to claim 1, wherein the first flange and the second flange are made of aluminum alloy, and the frame is made of common steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022468178.2U CN213685333U (en) | 2020-10-30 | 2020-10-30 | Split type gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022468178.2U CN213685333U (en) | 2020-10-30 | 2020-10-30 | Split type gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213685333U true CN213685333U (en) | 2021-07-13 |
Family
ID=76726999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022468178.2U Active CN213685333U (en) | 2020-10-30 | 2020-10-30 | Split type gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213685333U (en) |
-
2020
- 2020-10-30 CN CN202022468178.2U patent/CN213685333U/en active Active
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