CN215445089U

CN215445089U - Leakage-proof valve device

Info

Publication number: CN215445089U
Application number: CN202121726365.4U
Authority: CN
Inventors: 余晓明
Original assignee: Nanjing Keyworth Fluid Control Technology Co ltd
Current assignee: Nanjing Keyworth Fluid Control Technology Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-01-07
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses a leakage-proof valve device, which comprises a connecting pipe, a supporting frame, a rotating frame, a hand wheel, a valve core and a filtering and sealing mechanism, wherein the filtering and sealing mechanism is arranged at the upper end of the connecting pipe, a telescopic rod is contracted, a bearing plate drives a sealing plate to move towards the lower end, and a filter layer is separated from a through hole of the fixing frame, so that the connecting pipe is sealed, sundries can be filtered through the filter layer, the service life of the valve is prolonged, and the advantages of secondary sealing of the connecting pipe and leakage prevention are achieved; through having set up guiding mechanism in filtering sealing mechanism upper end, when accepting the board and removing, can make the slide bar pass through the stopper and down remove in the sliding sleeve inboard, the slide bar can press the pressure spring to produce deformation simultaneously, prevents that the displacement is too big, has reached and has made the advantage of accepting the steady removal of board.

Description

Leakage-proof valve device

Technical Field

The utility model particularly relates to a leakage-proof valve device, and relates to the field of valve correlation.

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow) of a conveying medium, can be divided into a shut-off valve, a check valve, an adjusting valve and the like according to functions of the valve, is a control part in a fluid conveying system, and has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, shunting, overflowing, relieving pressure and the like.

When the valve is used, the sealing performance of the valve is one of important conditions for the use of the valve, the leakage detection condition of the valve can occur in the prior valve device after the valve is used for a period of time, the valve needs to be replaced, and the service life of the valve is general.

SUMMERY OF THE UTILITY MODEL

Accordingly, to address the above-described deficiencies, the present invention provides a leak resistant valve assembly.

The utility model is realized in such a way that a leakage-proof valve device is constructed, the leakage-proof valve device comprises a connecting pipe, a supporting frame, a rotating frame, a hand wheel, a valve core and a filtering and sealing mechanism, wherein the supporting frame is arranged at the top of the connecting pipe, the rotating frame is arranged at the upper end of the supporting frame, the filtering and sealing mechanism is arranged at the rear end of the connecting pipe, the filtering and sealing mechanism comprises a fixing frame, a connecting frame, a telescopic cylinder, a receiving plate, a sealing plate, a filtering layer and a guiding mechanism, the fixing frame is arranged at the rear end of the connecting pipe, the fixing frame is fixed with the left end of the connecting frame, the telescopic cylinder is embedded and arranged at the upper end of the connecting frame, the telescopic cylinder is connected with the right end of the receiving plate, the receiving plate is fixed with the bottom of the sealing plate, the sealing plate is embedded into the inner side of the fixing frame, the filtering layer is arranged at the upper end of the sealing plate, and the guiding mechanism is fixed at the left end of the receiving plate.

Preferably, the rotating frame is connected with the left end of the hand wheel, a valve core is arranged in the connecting pipe, and the valve core is connected with the output end of the rotating frame.

Preferably, guiding mechanism includes connecting block, slide bar, stopper, pressure spring and sliding sleeve, the connecting block is connected with accept the inboard of board left end, the connecting block is fixed mutually with the slide bar upper end, the slide bar upper end is provided with the stopper, the stopper passes through the inboard sliding fit of pressure spring and sliding sleeve.

Preferably, the sliding rod is cylindrical and penetrates through the inner side of the sliding sleeve.

Preferably, the connecting block, the sliding rod and the center line of the sliding sleeve are positioned in the same vertical direction, and the limiting block is in sliding fit with the inner side of the sliding sleeve.

Preferably, the sealing plate has a flat rectangular parallelepiped shape, and the sealing plate penetrates inside the fixing frame.

Preferably, the middle part of the fixing frame is provided with a through hole, and the size of the through hole at the upper end of the fixing frame is matched with the inner diameters of the filter layer and the connecting pipe.

Preferably, the receiving plates are provided with two pieces, and the receiving plates are oppositely arranged along the front side and the rear side of the sealing plate.

Preferably, the sliding rod is made of carbon steel and has high hardness.

Preferably, the pressure spring is made of alloy steel and has excellent elastic potential energy.

The utility model has the following advantages: the utility model provides a leakage-proof valve device by improvement, compared with the same type of equipment, the improvement is as follows:

the method has the advantages that: according to the leakage-proof valve device, the filtering and sealing mechanism is arranged at the upper end of the connecting pipe, the telescopic rod is contracted, the bearing plate drives the sealing plate to move towards the lower end, the filter layer is separated from the through hole of the fixing frame, so that the connecting pipe is sealed, impurities can be filtered through the filter layer, the service life of the valve is prolonged, and the advantages that the connecting pipe can be secondarily sealed and leakage is prevented are achieved.

The method has the advantages that: according to the leakage-proof valve device, the guide mechanism is arranged at the upper end of the filtering and sealing mechanism, when the bearing plate moves, the sliding rod can move downwards on the inner side of the sliding sleeve through the limiting block, and meanwhile, the sliding rod can press the pressure spring to deform, so that overlarge displacement is prevented, and the advantage that the bearing plate can stably move is achieved.

Drawings

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

FIG. 2 is a schematic perspective view of the filtering and sealing mechanism of the present invention;

FIG. 3 is a schematic top view of the filter seal mechanism of the present invention;

FIG. 4 is a schematic sectional view of the fixing frame of the present invention;

fig. 5 is a schematic sectional structure of the guide mechanism of the present invention.

Wherein: the device comprises a connecting pipe-1, a supporting frame-2, a rotating frame-3, a hand wheel-4, a valve core-5, a filtering and sealing mechanism-6, a fixed frame-61, a connecting frame-62, a telescopic cylinder-63, a bearing plate-64, a sealing plate-65, a filtering layer-66, a guiding mechanism-67, a connecting block-671, a sliding rod-672, a limiting block-673, a pressure spring-674 and a sliding sleeve-675.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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, the present invention provides a leakage prevention valve device through an improvement, including a connecting pipe 1, a supporting frame 2, a rotating frame 3, a hand wheel 4, a valve core 5 and a filtering and sealing mechanism 6, wherein the supporting frame 2 is arranged at the top of the connecting pipe 1, the rotating frame 3 is mounted at the upper end of the supporting frame 2, the filtering and sealing mechanism 6 is mounted at the rear end of the connecting pipe 1, the rotating frame 3 is connected with the left end of the hand wheel 4, the valve core 5 is arranged in the connecting pipe 1, and the valve core 5 is connected with the output end of the rotating frame 3.

Referring to fig. 2, 3 and 4, the present invention provides a leakage-proof valve device by improving the structure, wherein the filtering and sealing mechanism 6 comprises a fixing frame 61, a connecting frame 62, a telescopic cylinder 63, a receiving plate 64, a sealing plate 65, a filter layer 66 and a guiding mechanism 67, the fixing frame 61 is installed at the rear end of the connecting pipe 1, the fixing frame 61 is fixed with the left end of the connecting frame 62, the telescopic cylinder 63 is embedded in the upper end of the connecting frame 62, the telescopic cylinder 63 is connected with the right end of the receiving plate 64, the receiving plate 64 is fixed with the bottom of the sealing plate 65, the sealing plate 65 is embedded in the fixing frame 61, the filter layer 66 is arranged at the upper end of the sealing plate 65, the guiding mechanism 6 is fixed at the left end of the receiving plate 64, the sealing plate 65 is in a flat cuboid shape, the sealing plate 65 penetrates through the middle part of the fixing frame 61 in the fixing frame 61 and is provided with a through hole, the size of the through hole at the upper end of the fixing frame 61 is matched with the filter layer 66 and the inner diameter of the connecting pipe 1, the receiving plate 64 is provided with two pieces, and the receiving plate 64 is oppositely arranged along the front side and the rear side of the sealing plate 65, which is beneficial to the effect of enabling the sealing plate 65 to move stably.

Referring to fig. 5, the present invention provides a leakage-proof valve device through improvement, wherein the guide mechanism 67 includes a connecting block 671, a sliding rod 672, a stopper 673, a pressure spring 674 and a sliding sleeve 675, the connecting block 671 is connected with the inner side of the left end of the receiving plate 64, the connecting block 671 is fixed with the upper end of the sliding rod 672, the stopper 673 is disposed at the upper end of the sliding rod 672, the stopper 673 is in sliding fit with the inner side of the sliding sleeve 675 through the pressure spring 674, the sliding rod 672 is cylindrical, the sliding rod 672 penetrates through the inner side of the sliding sleeve 675, the center lines of the connecting block 671, the sliding rod 672 and the sliding sleeve 675 are in the same vertical direction, and the stopper 673 is in sliding fit with the inner side of the sliding sleeve 675, so as to facilitate the sliding rod 672 to move smoothly, the sliding rod 672 is made of carbon steel, the hardness is high, the pressure spring 674 is made of alloy steel, and the elastic potential energy is excellent.

The utility model provides a leakage-proof valve device through improvement, and the working principle is as follows;

firstly, before use, the valve device for preventing leakage is horizontally placed, and then the connecting pipe 1 is connected with the pipe body;

secondly, when the valve is used, the valve core 5 is adjusted to be opened and closed by rotating the hand wheel 4, so that the valve is opened and closed;

thirdly, when the valve is opened, the filter layer 66 can filter impurities, so that the service life of the valve is prolonged;

fourthly, when the valve is closed, the telescopic rod 63 contracts, the bearing plate 64 drives the sealing plate 65 to move towards the lower end, the filter layer 66 is separated from the through hole of the fixed frame 61, the connecting pipe 1 is sealed, secondary sealing can be carried out on the connecting pipe 1, and leakage is prevented;

fifthly, at the moment, the filter layer 66 is positioned outside the fixing frame 61, and the filter layer 66 can be cleaned or replaced;

sixthly, the guide mechanism 67 is arranged at the upper end of the filtering and sealing mechanism 6, when the bearing plate 64 moves, the sliding rod 672 can move downwards on the inner side of the sliding sleeve 675 through the limiting block 763, and meanwhile, the sliding rod 672 can press the pressure spring 674 to deform, so that the displacement is prevented from being too large, and the bearing plate 64 can move stably.

The utility model provides a leakage-proof valve device through improvement, a filtering and sealing mechanism 6 is arranged at the upper end of a connecting pipe 1, a telescopic rod 63 is contracted, a bearing plate 64 drives a sealing plate 65 to move towards the lower end, a filter layer 66 is separated from a through hole of a fixing frame 61, so that the connecting pipe 1 is sealed, sundries can be filtered through the filter layer 66, the service life of the valve is prolonged, and the advantages of secondary sealing of the connecting pipe 1 and leakage prevention are achieved; through having set up guiding mechanism 67 at filtering sealing mechanism 6 upper end, when accepting the board 64 and removing, can make slide bar 672 move down in sliding sleeve 675 inboard through stopper 763, slide bar 672 can press pressure spring 674 to produce deformation simultaneously, prevents that the displacement is too big, has reached and has made the advantage of accepting board 64 steady movement.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A leakage-proof valve device comprises a connecting pipe (1), a support frame (2), a rotating frame (3), a hand wheel (4) and a valve core (5), wherein the support frame (2) is arranged at the top of the connecting pipe (1), and the rotating frame (3) is installed at the upper end of the support frame (2);

the method is characterized in that: also comprises a filtering and sealing mechanism (6), the filtering and sealing mechanism (6) is arranged at the rear end of the connecting pipe (1), the filtering and sealing mechanism (6) comprises a fixed frame (61), a connecting frame (62), a telescopic cylinder (63), a bearing plate (64), a sealing plate (65), a filtering layer (66) and a guide mechanism (67), the fixing frame (61) is arranged at the rear end of the connecting pipe (1), the fixing frame (61) is fixed with the left end of the connecting frame (62), the upper end of the connecting frame (62) is embedded with a telescopic cylinder (63), the telescopic cylinder (63) is connected with the right end of the bearing plate (64), the bearing plate (64) is fixed with the bottom of the sealing plate (65), the sealing plate (65) is embedded in the inner side of the fixed frame (61), the filter layer (66) is arranged at the upper end of the sealing plate (65), and the guide mechanism (67) is fixed at the left end of the bearing plate (64).

2. A leak resistant valve assembly as set forth in claim 1 wherein: the rotating frame (3) is connected with the left end of the hand wheel (4), a valve core (5) is arranged in the connecting pipe (1), and the valve core (5) is connected with the output end of the rotating frame (3).

3. A leak resistant valve assembly as set forth in claim 1 wherein: the guide mechanism (67) comprises a connecting block (671), a sliding rod (672), a limiting block (673), a pressure spring (674) and a sliding sleeve (675), the connecting block (671) is connected with the inner side of the left end of the bearing plate (64), the connecting block (671) is fixed with the upper end of the sliding rod (672), the upper end of the sliding rod (672) is provided with the limiting block (673), and the limiting block (673) is in sliding fit with the inner side of the sliding sleeve (675) through the pressure spring (674).

4. A leak resistant valve assembly as set forth in claim 3 wherein: the sliding rod (672) is cylindrical, and the sliding rod (672) penetrates through the inner side of the sliding sleeve (675).

5. A leak resistant valve assembly as set forth in claim 3 wherein: the connecting block (671), the sliding rod (672) and the sliding sleeve (675) are positioned on the same vertical direction, and the limiting block (673) is in sliding fit with the inner side of the sliding sleeve (675).

6. A leak resistant valve assembly as set forth in claim 1 wherein: the sealing plate (65) is in a flat rectangular parallelepiped shape, and the sealing plate (65) penetrates the inside of the fixing frame (61).

7. A leak resistant valve assembly as set forth in claim 1 wherein: the middle part of the fixing frame (61) is provided with a through hole, and the size of the through hole at the upper end of the fixing frame (61) is matched with the inner diameters of the filter layer (66) and the connecting pipe (1).

8. A leak resistant valve assembly as set forth in claim 1 wherein: the bearing plates (64) are provided with two pieces in total, and the bearing plates (64) are oppositely arranged along the front side and the rear side of the sealing plate (65).