CN210423757U

CN210423757U - Sealed gate valve

Info

Publication number: CN210423757U
Application number: CN201921033011.4U
Authority: CN
Inventors: 沈长松
Original assignee: Jiangsu Haixin Hydraulic Machinery Co Ltd
Current assignee: Jiangsu Haixin Hydraulic Machinery Co Ltd
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-04-28
Anticipated expiration: 2029-07-03

Abstract

The utility model relates to a push-pull valve technical field just discloses a sealed push-pull valve, including the gate valve frame, the inboard of gate valve frame is provided with the sliding tray, the interior bottom fixedly connected with bottom block of sliding tray, the inside sliding connection of sliding tray has two sets of valve plates, and is two sets of the valve plate is located the bottom block top, valve plate upper portion is provided with two sets of support columns, and the equal fixed connection of two sets of support column one end is in the left side and the right side of valve plate upper portion surface. This sealed push-pull valve can control square pipeline through the mounting hole when using, or can also control circular pipeline through the conversion frame, promotes the motor and then can rotate the reduction gear through rotating to can drive the threaded rod through the rotation of reduction gear and rotate, and then can make progress or move down to the connecting plate, and then can make progress or move down to the valve plate through the bracing piece, and then with the cooperation of first sealing strip, seal and prevent revealing.

Description

Sealed gate valve

Technical Field

The utility model relates to a push-pull valve technical field specifically is a sealed push-pull valve.

Background

The gate valve is also called a manual knife gate valve, and the knife gate valve is a valve with a gate plate and a valve seat which are always in close contact and sealed. The valve has the advantages that the drift diameter of the valve body is not provided with a groove, the medium cannot be blocked and blocked, the valve has the full-drift-diameter circulation characteristic, and the sealing structure can be divided into a soft sealing structure and a hard sealing structure. The penetrating knife gate valve has the characteristics of precise structure, good manufacturability, compact structure and the like, and the sealing valve seat is designed to be a movable structure and has the functions of abrasion resistance and automatic compensation, so the service life is longer. The valve seat and the gate plate move closely in the closing and opening processes, so that the opening and closing force of the valve is stable, the gate plate has the characteristics of cutting off media and the like, and the problem of poor sealing can be caused more or less when the gate plate is used at present, so that the gate plate is inconvenient to use and is not beneficial to popularization and use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides a sealed push-pull valve has solved the not good problem of push-pull valve leakproofness.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a sealed gate valve comprises a gate valve frame, wherein a sliding groove is formed in the inner side of the gate valve frame, a bottom block is fixedly connected to the inner bottom of the sliding groove, two groups of valve plates are slidably connected to the inner portion of the sliding groove and are located above the bottom block, two groups of supporting columns are arranged on the upper portion of the valve plate, one ends of the two groups of supporting columns are fixedly connected to the left side and the right side of the outer surface of the upper portion of the valve plate, multiple groups of supporting rods are rotatably connected to the tops of the two groups of valve plates, the tops of the multiple groups of supporting rods are rotatably connected with the middle of the lower surface of a connecting plate, a threaded rod is arranged at the top of the connecting plate, the bottom of the threaded rod penetrates through the middle of the upper surface of the connecting plate and extends to the lower portion of the connecting plate, the, the top of the threaded rod is rotatably connected with the top of the gate valve frame, a lifting motor is fixedly connected to the right side of the top of the gate valve frame, the output end of the lifting motor is fixedly connected with the input end of a speed reducer, multiple groups of mounting holes are formed in the peripheries of the bottoms of the front side face and the rear side face of the gate valve frame, conversion frames are arranged on the front side and the rear side of the gate valve frame, a circular flange plate and a square flange plate are fixedly connected to the front side and the rear side of each conversion frame respectively, multiple groups of connecting holes are formed in the circular flange plate and the square flange plate, bolts are arranged in the multiple groups of connecting holes, and the multiple groups of bolts are arranged.

Preferably, the middle part of the gate valve frame is provided with a cross rod, the middle part of the cross rod is provided with a through groove, and the sliding groove is matched with the through groove.

Preferably, the bottom block is triangular, the bottoms of the two groups of valve plates are provided with round corners, and the bottoms of the two groups of valve plates can slide relative to the outer surface of the bottom block.

Preferably, the bottom of multiunit the bracing piece rotates respectively to be connected at two sets of valve plate tops, and multiunit bracing piece is crisscross each other.

Preferably, all be provided with first seal groove on sliding tray and the inside wall front side and the rear side that lead to the groove, first seal groove inside is provided with first sealing strip.

Preferably, the middle part and the top of the right side wall of the gate valve frame are both provided with position detectors, the position detectors are two groups of position detectors are respectively in signal connection with two groups of buttons, and the two groups of buttons are electrically connected with a lifting motor.

Preferably, the circular flange and the square flange are both provided with second sealing grooves, and second sealing strips are arranged in the second sealing grooves.

(III) advantageous effects

The utility model provides a sealed push-pull valve possesses following beneficial effect:

1. this sealed push-pull valve can control square pipeline through the mounting hole when using, or can also control circular pipeline through the conversion frame, promotes the motor and then can rotate the reduction gear through rotating to can drive the threaded rod through the rotation of reduction gear and rotate, and then can make progress or move down to the connecting plate, and then can make progress or move down to the valve plate through the bracing piece, and then with the cooperation of first sealing strip, seal and prevent revealing.

2. This sealed push-pull valve can conveniently change the frame through the connecting hole and be connected with the gate valve frame, can carry on spacingly to first sealing strip and second sealing strip respectively through first sealing groove and second sealing groove, can also seal, and through the cooperation of bottom block and support column, can conveniently make valve plate and gate valve frame cooperation seal, can control the stopping of promotion motor through position detector.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the valve plate of the present invention;

fig. 3 is a schematic structural view of the conversion rack of the present invention.

In the figure: 1. a gate valve frame; 2. a sliding groove; 3. a bottom block; 4. a valve plate; 5. a support pillar; 6. a support bar; 7. a connecting plate; 8. a threaded rod; 9. a first seal groove; 10. a first seal strip; 11. a speed reducer; 12. a hoisting motor; 13. a position detector; 14. mounting holes; 15. a conversion frame; 16. a circular flange plate; 17. a square flange plate; 18. connecting holes; 19. a second seal groove.

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. 1-3, the present invention provides a technical solution: a sealed gate valve comprises a gate valve frame 1, wherein a sliding groove 2 is arranged on the inner side of the gate valve frame 1, a bottom block 3 is fixedly connected to the inner bottom of the sliding groove 2, two groups of valve plates 4 are slidably connected to the inner portion of the sliding groove 2, a cross rod is arranged in the middle of the gate valve frame 1 and can limit the valve plates 4 and assist in sealing the valve plates 4, a through groove is formed in the middle of the cross rod and can facilitate the movement of the valve plates 4, the sliding groove 2 is matched with the through groove, the two groups of valve plates 4 are arranged above the bottom block 3, the bottom block 3 is triangular, fillets are arranged at the bottoms of the two groups of valve plates 4, the bottoms of the two groups of valve plates 4 can slide relative to the outer surface of the bottom block 3, the bottom block 3 is triangular, fillets are arranged at the bottoms of the two groups of valve plates 4, so that the two groups of valve, one end of each of the two groups of support columns 5 is fixedly connected to the left side and the right side of the outer surface of the upper part of the valve plate 4, the tops of the two groups of valve plates 4 are rotatably connected with a plurality of groups of support rods 6, the tops of the plurality of groups of support rods 6 are rotatably connected with the middle part of the lower surface of the connecting plate 7, the bottoms of the plurality of groups of support rods 6 are rotatably connected with the tops of the two groups of valve plates 4 respectively, the plurality of groups of support rods 6 are mutually staggered, so that the two groups of valve plates 4 can be conveniently moved up and down by the connecting plate 7, the top of the connecting plate 7 is provided with a threaded rod 8, the bottom of the threaded rod 8 penetrates through the middle part of the upper surface of the connecting plate 7 and extends to the lower part of the connecting plate 7, the threaded rod 8 is screwed on the connecting plate 7, the top of the threaded rod 8 is rotatably connected with the top of the gate valve frame 1, the front side and the rear side of the inner side wall of the sliding groove 2 and the through groove are respectively provided with a first sealing groove 9, a first sealing strip 10 is arranged inside the first sealing groove 9, the first sealing strip 10 is arranged inside the first sealing groove 9 and can be matched with the valve plate 4 to achieve a sealing effect, the right side of the top of the gate valve frame 1 is fixedly connected with a lifting motor 12, the output end of the lifting motor 12 is fixedly connected with the input end of a speed reducer 11, the middle part and the top of the right side wall of the gate valve frame 1 are respectively provided with a position detector 13, the two groups of position detectors 13 are respectively in signal connection with two groups of buttons, the two groups of buttons are electrically connected with the lifting motor 12, the lifting motor 12 can be automatically controlled through the position detector 13 to achieve the position, the power supply is automatically cut off, the sealed gate valve, the conversion frame 15 is arranged on the front side and the rear side of the gate valve frame 1, the circular flange plate 16 and the square flange plate 17 are fixedly connected to the front side and the rear side of the conversion frame 15 respectively, a plurality of groups of connecting holes 18 are formed in the circular flange plate 16 and the square flange plate 17 respectively, second sealing grooves 19 are formed in the circular flange plate 16 and the square flange plate 17 respectively, second sealing strips are arranged in the second sealing grooves 19 respectively, the joints of the conversion frame 15 can be sealed through the second sealing strips, bolts are arranged in the plurality of groups of connecting holes 18 respectively, the plurality of groups of bolts are screwed in the mounting holes 14, the conversion frame 15 can be conveniently connected with the gate valve frame 1 through the connecting holes 18, the first sealing strips 10 and the second sealing strips can be limited and can also be sealed through the first sealing grooves 9 and the second sealing strips 19 respectively, and the valve plate 4 can be conveniently matched with the gate valve frame 1 through the matching of the bottom block 3 and the supporting column 5, can control the stopping of lifting motor 12 through position detector 13, can control square pipeline through mounting hole 14, or can also control circular pipeline through conversion frame 15, through rotating lifting motor 12 and then can rotate reduction gear 11, thereby can drive threaded rod 8 through reduction gear 11's rotation and rotate, and then can make progress or move down to connecting plate 7, and then can make progress or move down to valve plate 4 through bracing piece 6, and then with first sealing strip 10's cooperation, seal and prevent revealing.

In conclusion, the sealed gate valve can control a square pipeline through the mounting hole 14 or control a round pipeline through the conversion frame 15 when in use, can rotate the speed reducer 11 by rotating the lifting motor 12, can drive the threaded rod 8 to rotate through the rotation of the speed reducer 11, can move the connecting plate 7 upwards or downwards, can move the valve plate 4 upwards or downwards through the supporting rod 6, can be matched with the first sealing strip 10 to seal and prevent leakage, can facilitate the connection between the conversion frame 15 and the gate valve frame 1 through the connecting hole 18, can limit the first sealing strip 10 and the second sealing strip 10 respectively through the first sealing groove 9 and the second sealing groove 19, can also seal, and can facilitate the matching and sealing between the valve plate 4 and the gate valve frame 1 through the matching between the bottom block 3 and the supporting column 5, the stopping of the hoisting motor 12 can be controlled by means of the position detector 13.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

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

1. The utility model provides a sealed push-pull valve, includes gate valve frame (1), its characterized in that: the inner side of the gate valve frame (1) is provided with a sliding groove (2), the inner bottom of the sliding groove (2) is fixedly connected with a bottom block (3), the sliding groove (2) is internally and slidably connected with two groups of valve plates (4), the two groups of valve plates (4) are positioned above the bottom block (3), the upper part of each valve plate (4) is provided with two groups of supporting columns (5), one ends of the two groups of supporting columns (5) are fixedly connected to the left side and the right side of the outer surface of the upper part of each valve plate (4), the tops of the two groups of valve plates (4) are rotatably connected with a plurality of groups of supporting rods (6), the tops of the plurality of groups of supporting rods (6) are rotatably connected with the middle part of the lower surface of a connecting plate (7), the top of the connecting plate (7) is provided with a threaded rod (8), the bottom of the threaded rod (8) penetrates through the middle part, the top of the threaded rod (8) penetrates through the top of the gate valve frame (1) and is fixedly connected with the output end of the speed reducer (11), the speed reducer (11) is fixedly connected with the top of the gate valve frame (1), the top of the threaded rod (8) is rotatably connected with the top of the gate valve frame (1), the right side of the top of the gate valve frame (1) is fixedly connected with a lifting motor (12), the output end of the lifting motor (12) is fixedly connected with the input end of the speed reducer (11), the peripheries of the bottoms of the front side and the rear side of the gate valve frame (1) are respectively provided with a plurality of groups of mounting holes (14), the front side and the rear side of the gate valve frame (1) are respectively provided with a conversion frame (15), the front side and the rear side of the conversion frame (15) are respectively and fixedly connected with a circular flange plate (16) and a square flange plate (17), and a plurality of groups of connecting holes (18) are respectively, bolts are arranged in the plurality of groups of connecting holes (18), and the plurality of groups of bolts are arranged in the mounting holes (14) in a threaded mode.

2. A sealed gate valve according to claim 1, wherein: the middle part of the gate valve frame (1) is provided with a cross rod, the middle part of the cross rod is provided with a through groove, and the sliding groove (2) is matched with the through groove.

3. A sealed gate valve according to claim 1, wherein: the bottom block (3) is triangular, the bottoms of the two groups of valve plates (4) are provided with round corners, and the bottoms of the two groups of valve plates (4) can slide relative to the outer surface of the bottom block (3).

4. A sealed gate valve according to claim 1, wherein: the bottoms of the support rods (6) are respectively rotatably connected to the tops of the two groups of valve plates (4), and the support rods (6) are mutually staggered.

5. A sealed gate valve according to claim 1 or 2, wherein: all be provided with first seal groove (9) on sliding tray (2) and the inside wall front side and the rear side that lead to the groove, first seal groove (9) inside is provided with first sealing strip (10).

6. A sealed gate valve according to claim 1, wherein: position detectors (13) are arranged in the middle of the right side wall of the gate valve frame (1) and on the top of the right side wall of the gate valve frame, the position detectors (13) are in signal connection with two groups of buttons respectively, and the two groups of buttons are electrically connected with a lifting motor (12).

7. A sealed gate valve according to claim 1, wherein: and second sealing grooves (19) are formed in the circular flange plate (16) and the square flange plate (17), and second sealing strips are arranged in the second sealing grooves (19).