CN216078361U

CN216078361U - Gate valve with high sealing performance

Info

Publication number: CN216078361U
Application number: CN202121880365.XU
Authority: CN
Inventors: 李震
Original assignee: Shanghai Runtao Industrial Co ltd
Current assignee: Shanghai Runtao Industrial Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-03-18
Anticipated expiration: 2031-08-12

Abstract

The utility model belongs to the technical field of gate valves, and particularly discloses a gate valve with high sealing property, which comprises a valve body, a valve cover, a handle, a valve rod and a valve plate, wherein the valve body is provided with a valve seat; the valve comprises a valve body, and is characterized in that a channel is formed in the valve body, a valve cover is arranged at the top end of the valve body, the valve cover and the valve body are fixedly connected through a fixing bolt, the valve cover is communicated with the interior of the valve body, a valve rod is arranged in the valve cover, the surface of the valve rod is provided with a thread structure, the valve rod is in threaded connection with the inner wall of the valve cover, the top end of the valve body is penetrated through the valve cover and is fixedly connected with the center of a handle, a loop bar is arranged in the valve body at the bottom end of the valve rod, the bottom end of the valve rod is rotatably connected with the loop bar, a transverse plate is fixedly connected to the bottom end of the loop bar, a valve plate is vertically fixed at the center of the bottom surface of the transverse plate, and the size of the valve plate is larger than the channel size.

Description

Gate valve with high sealing performance

Technical Field

The utility model relates to the technical field of gate valves, in particular to a gate valve with high sealing property.

Background

The gate valve is a valve for controlling water flow by using a gate plate as an opening and closing part, when the gate valve is opened, the gate plate moves upwards, a water inlet connector and a water outlet connector are in a through state, when the gate valve is closed, the gate plate moves downwards, the water inlet connector and the water outlet connector are not in the through state, in the moving process of the gate plate, a sealing hole at the upper side and a sealing groove at the lower side inside a valve body can guide the gate plate by using the inner wall of the sealing hole and the inner wall of the sealing groove at the lower side, so that the stability when the gate plate moves upwards is ensured, when the gate plate closes the gate valve, the sealing hole at the upper side and the sealing groove at the lower side inside the valve body can be attached to the outer wall of the gate plate by using the inner wall of the sealing hole and the inner wall of the sealing groove, so that the water flow in the water inlet connector can not flow into the water outlet connector, and in the actual use process, the gate plate can continuously rub with the inner wall of the sealing hole and the inner wall of the sealing groove when moving upwards and downwards, in case wearing and tearing, no longer closely laminating between flashboard and sealed hole inner wall, the seal groove inner wall, the condition of leaking just can appear, not only can lead to the water resource to be wasted, and has certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a gate valve with high sealing performance to solve the above problems of the related art.

In order to achieve the purpose, the utility model provides the following technical scheme: a gate valve with high sealing performance comprises a valve body, a valve cover, a handle, a valve rod and a valve plate; the valve comprises a valve body, and is characterized in that a channel is formed in the valve body, a valve cover is arranged at the top end of the valve body, the valve cover and the valve body are fixedly connected through a fixing bolt, the valve cover is communicated with the interior of the valve body, a valve rod is arranged in the valve cover, the surface of the valve rod is provided with a thread structure, the valve rod is in threaded connection with the inner wall of the valve cover, the top end of the valve body is penetrated through the valve cover and is fixedly connected with the center of a handle, a loop bar is arranged in the valve body at the bottom end of the valve rod, the bottom end of the valve rod is rotatably connected with the loop bar, a transverse plate is fixedly connected to the bottom end of the loop bar, a valve plate is vertically fixed at the center of the bottom surface of the transverse plate, and the size of the valve plate is larger than the channel size.

Preferably, the diaphragm bottom surface is located the valve plate both sides and is provided with sealed piece, valve body inner wall corresponds position department and is provided with the sealing washer, sealing washer inner wall and sealed piece surface zonulae occludens.

Preferably, the bottom surface of the transverse plate symmetrically extends downwards to form limiting protrusions, the surface of the sealing ring is correspondingly provided with limiting grooves, and the transverse plate is clamped and fixed with the sealing ring through the matching of the limiting protrusions and the limiting grooves.

Preferably, the channel middle part downwardly extending is provided with the extension, the extension inner wall installation is fixed with the fixed block, is provided with the plate groove between two fixed blocks, the plate groove size matches with the valve plate size.

Preferably, the notch has been seted up to valve plate surface both sides, the installation is fixed with the sealing strip in the notch, the sealing strip is connected with fixed block magnetism.

Preferably, the bottom surface of the sealing strip is fixedly bonded with a first magnetic sheet, the surface of the fixing block is fixedly bonded with a second magnetic sheet, and the sealing strip is magnetically connected with the fixing block through the matching of the first magnetic sheet and the second magnetic sheet.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the sealing performance of the top end in the valve body can be ensured by tightly connecting the sealing block and the sealing ring, the sealing performance of the position can be enhanced by clamping and fixing the transverse plate and the sealing ring, and the sealing performance of the bottom end in the valve body can be ensured when the valve plate is in closure by magnetically connecting the sealing strip and the fixing block at the bottom end in the valve body, so that the gate valve has better sealing performance and long service life.

Drawings

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

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is an enlarged schematic view of fig. 1 at B.

In the figure: 1. a valve body; 2. a channel; 3. a valve cover; 4. fixing the bolt; 5. a valve stem; 6. a handle; 7. a loop bar; 8. a transverse plate; 9. a valve plate; 10. a sealing block; 11. a seal ring; 12. a limiting bulge; 13. a limiting groove; 14. an extension portion; 15. a fixed block; 16. a plate groove; 17. a sealing strip; 18. a first magnetic sheet; 19. a second magnetic sheet.

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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-3, the present invention provides a technical solution: a gate valve with high sealing performance comprises a valve body 1, a valve cover 3, a handle 6, a valve rod 5 and a valve plate 9; the improved valve comprises a valve body and is characterized in that a channel 2 is formed in the valve body 1, a valve cover 3 is arranged on the top end of the valve body 1, the valve cover 3 and the valve body 1 are fixedly connected through fixing bolts 4, the valve cover 3 is communicated with the valve body 1, a valve rod 5 is arranged in the valve cover 3, the surface of the valve rod 5 is provided with a threaded structure, the valve rod 5 is in threaded connection with the inner wall of the valve cover 3, the top end of the valve body penetrates through the valve cover 3 and the center of a handle 6, the bottom end of the valve rod 5 is located in the valve body 1 and is sleeved with a sleeve rod 7, the bottom end of the valve rod 5 is rotatably connected with the sleeve rod 7, a transverse plate 8 is fixedly connected with the bottom end of the sleeve rod 8, a valve plate 9 is vertically fixed at the center of the bottom surface of the transverse plate 8, and the size of the valve plate 9 is larger than the size of the channel 2.

Further, the bottom surface of the transverse plate 8 is positioned on two sides of the valve plate 9 and is provided with a sealing block 10, a sealing ring 11 is arranged at a position corresponding to the inner wall of the valve body 1, and the inner wall of the sealing ring 11 is tightly connected with the surface of the sealing block 10.

Further, the bottom surface of the transverse plate 8 symmetrically extends downwards to form limiting protrusions 12, the surface of the sealing ring 11 is correspondingly provided with limiting grooves 13, and the transverse plate 8 is fixedly clamped with the sealing ring 11 through the matching of the limiting protrusions 12 and the limiting grooves 13.

Furthermore, an extension part 14 extends downwards from the middle of the channel 2, a fixing block 15 is fixedly mounted on the inner wall of the extension part 14, a plate groove 16 is arranged between the two fixing blocks 15, and the size of the plate groove 16 is matched with that of the valve plate 9.

Further, the notch has been seted up to valve plate 9 surperficial both sides, the installation is fixed with sealing strip 17 in the notch, sealing strip 17 and fixed block 15 magnetism are connected.

Further, a first magnetic sheet 18 is fixedly bonded to the bottom surface of the sealing strip 17, a second magnetic sheet 19 is fixedly bonded to the surface of the fixing block 15, and the sealing strip 17 is magnetically connected with the fixing block 15 through the matching of the first magnetic sheet 18 and the second magnetic sheet 19.

The working principle is as follows: the utility model provides a gate valve with high sealing performance, which comprises a valve body 1, a valve cover 3, a handle 6, a valve rod 5 and a valve plate 9, wherein the valve body is provided with a valve seat; the valve body 1 is internally provided with a channel 2, when in work, liquid circulates through the channel 2, a user can rotate a handle 6 through the threaded connection between a valve rod 5 and the inner wall of a valve cover 3, so that the valve rod 5 can go up and down, and the valve rod 5 can drive a loop rod 7, a transverse plate 8 and a valve plate 9 to go up and down through the rotary connection between the bottom end of the valve rod 5 and the loop rod 7, so that the channel 2 is controlled, sealing blocks 10 are arranged on the two sides of the valve plate 9 on the bottom surface of the transverse plate 8, sealing rings 11 are arranged at corresponding positions on the inner wall of the valve body 1, the sealing performance at the top end inside the valve body 1 can be ensured through the matching of the sealing blocks 10 and the sealing rings 11, the transverse plate 8 is clamped and fixed with the sealing rings 11 through the matching of a limiting bulge 12 and a limiting groove 13, the sealing performance is further enhanced, an extending part 14 extends downwards in the middle part of the channel 2, extension 14 internally mounted is fixed with fixed block 15, is provided with plate groove 16 between two fixed blocks 15, and plate groove 16 matches with valve plate 9, and valve plate 9 bottom slides in plate groove 16 is inside, and valve plate 9 both sides are provided with sealing strip 17, and sealing strip 17 is connected with 15 surperficial magnetism of fixed block to the leakproofness of 1 inside bottom of valve body has been guaranteed, makes this gate valve have better 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gate valve of high leakproofness which characterized in that: comprises a valve body (1), a valve cover (3), a handle (6), a valve rod (5) and a valve plate (9); a channel (2) is arranged in the valve body (1), a valve cover (3) is arranged at the top end of the valve body (1), the valve cover (3) is fixedly connected with the valve body (1) through a fixing bolt (4), the interior of the valve cover (3) is communicated with the interior of the valve body (1), a valve rod (5) is arranged in the valve cover (3), the surface of the valve rod (5) is provided with a thread structure, the valve rod (5) is in threaded connection with the inner wall of the valve cover (3), the top end of the valve body (1) penetrates through the valve cover (3) and is fixedly connected with the center of the handle (6), the bottom end of the valve rod (5) is positioned in the valve body (1) and is sleeved with a loop bar (7), the bottom end of the valve rod (5) is rotationally connected with a loop bar (7), the bottom end of the loop bar (7) is fixedly connected with a transverse plate (8), the valve plate (9) is vertically fixed at the center of the bottom surface of the transverse plate (8), and the size of the valve plate (9) is larger than that of the channel (2).

2. The gate valve with high sealing performance according to claim 1, wherein: diaphragm (8) bottom surface is located valve plate (9) both sides and is provided with sealed piece (10), valve body (1) inner wall corresponds position department and is provided with sealing washer (11), sealing washer (11) inner wall and sealed piece (10) surface zonulae occludens.

3. The gate valve with high sealing performance according to claim 1, wherein: diaphragm (8) bottom surface symmetry downwardly extending is provided with spacing arch (12), spacing recess (13) have been seted up to sealing washer (11) surface correspondence, diaphragm (8) are fixed with sealing washer (11) block through the cooperation of spacing arch (12) and spacing recess (13).

4. The gate valve with high sealing performance according to claim 1, wherein: the improved valve is characterized in that an extending part (14) extends downwards in the middle of the channel (2), fixing blocks (15) are fixedly arranged on the inner wall of the extending part (14), a plate groove (16) is arranged between the two fixing blocks (15), and the size of the plate groove (16) is matched with that of the valve plate (9).

5. The gate valve with high sealing performance according to claim 4, wherein: the notch has been seted up to valve plate (9) surface both sides, the installation is fixed with sealing strip (17) in the notch, sealing strip (17) are connected with fixed block (15) magnetism.

6. The gate valve with high sealing performance according to claim 5, wherein: the bottom surface of the sealing strip (17) is fixedly bonded with a first magnetic sheet (18), the surface of the fixing block (15) is fixedly bonded with a second magnetic sheet (19), and the sealing strip (17) is magnetically connected with the fixing block (15) through the matching of the first magnetic sheet (18) and the second magnetic sheet (19).