CN212899810U

CN212899810U - Novel soft seal gate valve

Info

Publication number: CN212899810U
Application number: CN202021833070.2U
Authority: CN
Inventors: 张荣武; 刘姗姗; 李洪圆
Original assignee: Tongling Wusong Valve Co ltd
Current assignee: Tongling Wusong Valve Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-04-06
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a novel soft sealing gate valve, it includes the valve body, and left and right side homogeneous body of valve body is provided with the water service pipe, the top an organic whole of valve body be provided with the vertical connecting pipe of valve body intercommunication, and the upper end of connecting pipe can be dismantled and be fixed with the valve gap, rotate on the valve gap and install vertical screw rod, the upper end of screw rod is fixed with the hand wheel, and the lower extreme threaded connection of screw rod has the valve-stem nut who is located the connecting pipe, the last lifting ring of suit on the screw rod of valve-stem, lifting ring sliding fit in the connecting pipe, the bottom of lifting ring is fixed with the cavity valve plate, and the outside of cavity valve plate is fixed with the rubber seal layer. The utility model discloses not only can realize the break-make effect of valve, and sealed effectual, can not leak, and the both ends of cavity valve plate all obtain spacing fixed when the valve is closed to can bear bigger water pressure excellent in use effect.

Description

Novel soft seal gate valve

Technical Field

The utility model relates to a valve field especially relates to a novel soft sealing gate valve.

Background

In the control of fluid pipelines, gate valves are used to achieve fluid interception and control. The gate valves on the market are various in types and mainly divided into hard seal gate valves and soft seal gate valves, wherein the soft seal gate valves are simple in structure and convenient to operate, and therefore the soft seal gate valves are widely applied. However, the sealing performance of the existing soft seal gate valve is not ideal enough, and the water pressure resistance effect is not good enough, so that the use effect is poor, and therefore improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a novel soft sealing gate valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a novel soft sealing gate valve, includes the valve body, and the left and right side homogeneous body of valve body is provided with the water service pipe, the top an organic whole of valve body be provided with the vertical connecting pipe of valve body intercommunication, and the upper end of connecting pipe can be dismantled and be fixed with the valve gap, rotate on the valve gap and install vertical screw rod, the upper end of screw rod is fixed with the hand wheel, and the lower extreme threaded connection of screw rod has the valve-stem nut who is located the connecting pipe, the last lifting ring of being fixed with the suit on the screw rod of valve-stem, lifting ring sliding fit in the connecting pipe, the bottom of lifting ring is fixed with the cavity valve plate, and the outside of cavity valve plate is fixed with the rubber seal layer, the bottom of cavity valve plate is fixed with the briquetting, and the both sides of cavity valve plate are all sealed.

Preferably, be provided with the mounting groove on the bottom inner wall of valve body, sliding fit has the slider in the mounting groove, the top of slider is fixed with briquetting down, and the below of briquetting is arranged in to briquetting pressure down, be provided with a plurality of pieces that reset between the bottom of slider and the valve body.

Preferably, the reset piece is a spring, the original length of the reset piece is larger than the height of the mounting groove, and the cross section of the mounting groove is in a T shape.

Preferably, a rubber sealing ring is fixed at one end, close to the hollow valve plate, of the sealing pipe, a sealing rubber sheet is fixed at the top of the sealing pipe, and the sealing rubber sheet is arranged below the lifting ring in a pressing mode.

Preferably, the valve cover is provided with a mounting hole matched with the threaded valve rod, the threaded valve rod is rotatably mounted in the mounting hole, a plurality of rubber sealing rings sleeved on the threaded valve rod are arranged in the mounting hole, the threaded valve rod is fixedly sleeved with a limiting ring, and the limiting ring is rotatably embedded in the valve cover.

Preferably, the water service pipes on the left side and the right side of the valve body are integrally provided with connecting flanges, and the connecting pipes are fixedly connected with the valve cover through screws.

Preferably, the outer side shapes of the sealing tube and the lifting ring are both rectangular, the inner side shape of the connecting tube is rectangular, and the inner side shape of the sealing tube is circular.

The utility model discloses a hand wheel, the threaded valve rod, valve-stem nut, the lifting ring, the cavity valve plate, the sealed tube, the rubber seal layer, rubber seal and sealing rubber piece's setting, not only can realize the break-make effect of valve, and it is sealed effectual, can not leak, and the both ends of cavity valve plate all obtain spacing fixed when the valve is closed, thereby can bear bigger water pressure, and when the middle space valve plate shifts up to the highest, the last briquetting of setting and the upper portion inboard wall parallel and level of sealed tube, and the lower briquetting that sets up resets under the effect that resets and makes the up end of briquetting and the lower part inboard wall parallel and level of sealed tube down, and then make rivers pass through gently, excellent in use effect, whole valve structure is simple, the cost of manufacture is low, not only possesses good leakproofness, and still possess fine switching performance, it is nimble to use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a schematic view of the sealing tube of the present invention.

Reference numbers in the figures: the valve comprises a valve body 1, a connecting pipe 2, a valve cover 3, a threaded valve rod 4, a hand wheel 5, a limiting ring 6, a lifting ring 7, a hollow valve plate 8, an upper pressing block 9, a valve rod nut 10, a sealing pipe 11, a mounting groove 12, a sliding block 13, a lower pressing block 14, a resetting piece 15, a rubber sealing layer 16 and a sealing rubber sheet 17.

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.

Referring to fig. 1-3, a novel soft seal gate valve comprises a valve body 1, a water pipe is integrally arranged on each of the left and right sides of the valve body 1, a vertical connecting pipe 2 communicated with the valve body 1 is integrally arranged on the top of the valve body 1, a valve cover 3 is detachably fixed on the upper end of the connecting pipe 2, a vertical threaded valve rod 4 is rotatably mounted on the valve cover 3, a hand wheel 5 is fixed on the upper end of the threaded valve rod 4, a valve rod nut 10 positioned in the connecting pipe 2 is connected with the lower end of the threaded valve rod 4 through a thread, a lifting ring 7 sleeved on the threaded valve rod 4 is fixed on the valve rod nut 10, the lifting ring 7 is slidably fitted in the connecting pipe 2, a hollow valve plate 8 is fixed at the bottom of the lifting ring 7, a rubber sealing layer 16 is fixed on the outer side of the hollow valve plate 8, an upper pressing block 9 is fixed at the bottom of the hollow valve plate 8, the sealing pipe 11 is communicated with the water pipe.

In this embodiment, be provided with mounting groove 12 on the bottom inner wall of valve body 1, sliding fit has slider 13 in mounting groove 12, and slider 13's top is fixed with briquetting 14 down, and briquetting 9's below is arranged in to briquetting 14 pressure down, is provided with a plurality of piece 15 that reset between slider 13's bottom and valve body 1, and piece 15 that resets is the spring, and resets the height that the original length of piece 15 is greater than mounting groove 12, and the cross sectional shape of mounting groove 12 is the T shape.

In this embodiment, a rubber seal ring is fixed at one end of the sealing pipe 11 close to the hollow valve plate 8, a sealing rubber sheet 17 is fixed at the top of the sealing pipe 11, the sealing rubber sheet 17 is arranged below the lifting ring 7 in a pressing manner, a mounting hole matched with the threaded valve rod 4 is formed in the valve cover 3, the threaded valve rod 4 is rotatably mounted in the mounting hole, a plurality of rubber seal rings sleeved on the threaded valve rod 4 are arranged in the mounting hole, a limiting ring 6 is fixedly sleeved on the threaded valve rod 4, the limiting ring 6 is rotatably embedded in the valve cover 3, the water pipes on the left side and the right side of the valve body 1 are integrally provided with a connecting flange, the connecting pipe 2 and the valve cover 3 are fixedly connected through screws, the outer side shapes of the sealing pipe 11 and the lifting ring 7 are rectangular, the inner side shape of the connecting pipe 2 is rectangular, and the inner side shape of.

The working principle is as follows: when the utility model is used, the hand wheel 5 arranged by manpower rotation is pulled to rotate the arranged threaded valve rod 4, so that the valve rod nut 10, the lifting ring 7 and the hollow valve plate 8 integrally move up and down under the action of threads, when the hollow valve plate 8 moves down and is inserted between the two sealing pipes 11, the sealing pipes 11 are sealed by the hollow valve plate 8, so as to realize the closing of the valve, when the valve is closed, the arranged rubber sealing layer 16 and the rubber sealing ring at the end part of the hollow valve plate 8 can be sealed, and the arranged lifting ring 7 presses the sealing rubber sheet 17 to seal, so that the sealing effect is good, water leakage is avoided, both ends of the hollow valve plate 8 are limited and fixed, thereby the valve can bear larger water pressure, the use effect is good, when the hollow valve plate 8 moves up to the maximum, the arranged upper pressing block 9 is parallel and level with the inner side wall of the upper part of the sealing pipes 11, and the briquetting 14 resets under the effect of piece 15 that resets and makes briquetting 14's up end and the inboard wall parallel and level of the lower part of sealed tube 11 mutually down that sets up, and then makes rivers gently pass through, excellent in use effect, whole valve simple structure, the cost of manufacture is low, not only possesses good leakproofness, and still possesses fine switching performance, uses in a flexible way.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A novel soft sealing gate valve comprises a valve body (1), wherein a water service pipe is integrally arranged on the left side and the right side of the valve body (1), and is characterized in that a vertical connecting pipe (2) communicated with the valve body (1) is integrally arranged at the top of the valve body (1), a valve cover (3) is detachably fixed at the upper end of the connecting pipe (2), a vertical threaded valve rod (4) is rotatably installed on the valve cover (3), a hand wheel (5) is fixed at the upper end of the threaded valve rod (4), a valve rod nut (10) positioned in the connecting pipe (2) is connected to the lower end of the threaded valve rod (4) in a threaded manner, a lifting ring (7) sleeved on the threaded valve rod (4) is fixed on the valve rod nut (10), the lifting ring (7) is in sliding fit with the connecting pipe (2), a hollow valve plate (8) is fixed at the bottom of the lifting ring (7), and a rubber sealing layer (16) is fixed on, the bottom of cavity valve plate (8) is fixed with briquetting (9), and the both sides of cavity valve plate (8) are all sealed the pressure and are put sealed sealing tube (11) of being fixed in valve body (1), sealing tube (11) and water service pipe intercommunication.

2. The novel soft sealing gate valve according to claim 1, characterized in that a mounting groove (12) is arranged on the inner wall of the bottom of the valve body (1), a sliding block (13) is in sliding fit in the mounting groove (12), a lower pressing block (14) is fixed on the top of the sliding block (13), the lower pressing block (14) is arranged below the upper pressing block (9) in a pressing manner, and a plurality of resetting pieces (15) are arranged between the bottom of the sliding block (13) and the valve body (1).

3. The novel soft seal gate valve of claim 2, characterized in that the reset piece (15) is a spring, the original length of the reset piece (15) is larger than the height of the installation groove (12), and the cross section of the installation groove (12) is T-shaped.

4. The novel soft seal gate valve of claim 1, characterized in that a rubber seal ring is fixed at one end of the seal pipe (11) close to the hollow valve plate (8), a seal rubber sheet (17) is fixed at the top of the seal pipe (11), and the seal rubber sheet (17) is pressed below the lifting ring (7).

5. The novel soft seal gate valve as claimed in claim 1, wherein the valve cap (3) is provided with a mounting hole matched with the threaded valve rod (4), the threaded valve rod (4) is rotatably mounted in the mounting hole, a plurality of rubber sealing rings sleeved on the threaded valve rod (4) are arranged in the mounting hole, a limiting ring (6) is fixedly sleeved on the threaded valve rod (4), and the limiting ring (6) is rotatably embedded in the valve cap (3).

6. The novel soft sealing gate valve of claim 2, characterized in that the water service pipes on the left and right sides of the valve body (1) are integrally provided with connecting flanges, and the connecting pipe (2) and the valve cover (3) are fixedly connected through screws.

7. The new soft sealing gate valve according to claim 1, characterized in that the outside shape of the sealing tube (11) and the lifting ring (7) is rectangular, and the inside shape of the connecting tube (2) is rectangular, and the inside shape of the sealing tube (11) is circular.