CN218913886U

CN218913886U - Slowly-closed check valve

Info

Publication number: CN218913886U
Application number: CN202223043543.0U
Authority: CN
Inventors: 王良辉; 王灿权; 黄春明
Original assignee: Wenzhou Haige Valve Co ltd
Current assignee: Wenzhou Haige Valve Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-04-25
Anticipated expiration: 2032-11-16

Abstract

The utility model discloses a slow-closing check valve, which belongs to the technical field of slow-closing check valves and comprises a valve body, wherein the valve body comprises a valve pipe and two flanges arranged at the positions of a feed inlet and a discharge outlet of the valve pipe, the valve pipe is communicated with the flanges through a hose assembly, and a leveling assembly for enabling the valve pipe to be horizontal is arranged on the valve pipe; the leveling assembly comprises at least three second fixing blocks and three threaded rods, wherein the second fixing blocks and the three threaded rods are arranged on the same horizontal plane, threaded holes are formed in each second fixing block, the threaded rods are in threaded connection with the second fixing blocks through the threaded holes, and the axial direction of the threaded rods is perpendicular to the axial direction of the valve pipe. According to the utility model, the leveling component capable of adjusting the inclination of the valve pipe is arranged on the valve pipe, and then the leveling component is matched with the horizontal bubble to measure the levelness, so that a worker can horizontally or vertically install the valve body, the valve body can normally operate in a pipeline, and the valve body is prevented from being failed due to the inclination.

Description

Slowly-closed check valve

Technical Field

The utility model belongs to the technical field of slow-closing check valves, and particularly relates to a slow-closing check valve.

Background

The slow-closing check valve is also called a check valve and is used for preventing the medium in the pipeline from flowing backwards. The slow-closing check valve is a valve which is opened or closed by a start-stop member by the medium flow and the force so as to prevent the medium from flowing backwards. The valve belongs to automatic valves, and is mainly used for a pipeline in which medium flows unidirectionally, and only allows the medium to flow in one direction so as to prevent accidents. During actual use, the slow-closing check valve should be installed in the pipeline generally horizontally or vertically.

However, the actual installation process of the existing slow-closing check valve is to directly use two flanges on the valve to install the slow-closing check valve on the flange of an external pipeline so as to realize the installation and fixation of the valve on the pipeline, but the installation mode has the following defects: because the slow-closing check valve needs to be horizontally or vertically installed on the pipeline, the installation mode cannot ensure that the whole slow-closing check valve is in a horizontal or vertical state, and therefore the valve can be broken down in the use process.

Disclosure of Invention

The utility model aims at: in order to solve the problem that the existing slow-closing check valve cannot be installed horizontally or vertically, the slow-closing check valve is provided.

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

the slow-closing check valve comprises a valve body, wherein the valve body comprises a valve pipe and two flanges arranged at the positions of a feed inlet and a discharge outlet of the valve pipe, the valve pipe is communicated with the flanges through a hose assembly, and a leveling assembly for enabling the valve pipe to be horizontal is arranged on the valve pipe; the leveling assembly comprises at least three second fixing blocks and three threaded rods, wherein the second fixing blocks and the three threaded rods are arranged on the same horizontal plane, threaded holes are formed in each second fixing block, the threaded rods are in threaded connection with the second fixing blocks through the threaded holes, and the axial direction of the threaded rods is perpendicular to the axial direction of the valve pipe.

As a further description of the above technical solution: through set up the leveling subassembly that can adjust its gradient on the valve pipe, then the cooperation level bubble can measure the effect of levelness for the staff can realize the level or the vertical installation to the valve body, so that the valve body can be in the pipeline normal operating, avoids the valve body to break down because of the slope.

The top of the threaded rod is fixed with a handle rod, the axial direction of the handle rod is perpendicular to the axial direction of the threaded rod, and the outer surface of the handle rod is provided with anti-skid patterns.

As a further description of the above technical solution: the handle rod can increase the moment when rotating the threaded rod, so that the labor-saving effect is achieved, and the surface roughness of the handle rod can be increased by the anti-skid lines.

The top of valve body installs the horizontal bubble, and this horizontal bubble is cylindrical structure, and the axial of horizontal bubble is parallel with the axial of valve pipe.

The hose assembly comprises a hose and two sealing parts, wherein the flange plate is fixedly connected with a connecting pipe, and the two sealing parts are used for respectively sealing and fixing two ends of the hose to the connecting pipe and the valve pipe.

As a further description of the above technical solution: the connecting pipe is communicated with the valve pipe through the soft pipe, so that the flange plate and the valve pipe can relatively move, the levelness of the valve body can be conveniently adjusted by a worker, and the condition that the levelness of the valve body cannot be adjusted when the valve body is arranged on a hard pipe is avoided.

The sealing part comprises an unsealed sealing ring and a fastening piece, and the sealing ring is sleeved on the outer side of the soft pipe and compresses the soft pipe through the fastening piece.

Each sealing portion is provided with two sealing rings, and the positions of the fasteners on the two sealing rings are opposite.

As a further description of the above technical solution: the inner surfaces of the soft pipes can be completely and thoroughly connected with the valve pipe or the connecting pipe in a sealing way by the arrangement of the fasteners on the two sealing rings in opposite positions, so that a good sealing effect is achieved.

The fastener comprises two first fixing blocks fixedly connected with the sealing ring, a certain gap is reserved between the two first fixing blocks, and the two first fixing blocks are fixedly connected through fastening screws.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. according to the utility model, the leveling component capable of adjusting the inclination of the valve pipe is arranged on the valve pipe, and then the leveling component is matched with the horizontal bubble to measure the levelness, so that a worker can horizontally or vertically install the valve body, the valve body can normally operate in a pipeline, and the valve body is prevented from being failed due to the inclination.

2. According to the utility model, the connecting pipe and the valve pipe are communicated together through the soft pipe, so that the flange plate and the valve pipe can relatively move, thereby being convenient for a worker to adjust the levelness of the valve body and avoiding the condition that the levelness of the valve body cannot be adjusted when the valve body is arranged on the hard pipe.

3. In the utility model, the inner surface of the soft pipe can be completely and thoroughly connected with the valve pipe or the connecting pipe in a sealing way by the arrangement of the fasteners on the two sealing rings in opposite positions, so that a good sealing effect is achieved.

Drawings

FIG. 1 is a schematic view of the whole structure of a slow-closing check valve according to the present utility model;

FIG. 2 is a schematic view of a hose assembly with a slow-closing check valve according to the present utility model;

FIG. 3 is a schematic view of a fastening member for a slow-closing check valve according to the present utility model;

fig. 4 is a schematic structural diagram of a leveling assembly for a slow-closing check valve according to the present utility model.

Legend description: 100. a valve body; 110. a valve tube; 120. a flange plate; 121. a connecting pipe; 130. a hose assembly; 131. a sealing part; 132. a seal ring; 133. a fastener; 1331. a first fixed block; 1332. fastening a screw; 134. a flexible tube; 140. horizontal bubble; 150. a leveling assembly; 151. a second fixed block; 1511. a threaded hole; 152. a threaded rod; 153. a handle bar.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a slow-closing check valve, as shown in figure 1, comprising a valve body 100, wherein the valve body 100 comprises a valve pipe 110 and two flanges 120 arranged at the positions of a feed port and a discharge port of the valve pipe 110, a connecting pipe 121 is fixedly connected to both flanges 120, the outer diameter of the connecting pipe 121 is the same as that of the valve pipe 110, the connecting pipes 121 of the valve pipe 110 and the flanges 120 are communicated through a hose assembly 130, a leveling assembly 150 for enabling the valve pipe 110 to be horizontal is arranged on the valve pipe 110, a horizontal bubble 140 is also arranged at the top of the valve body 100, the horizontal bubble 140 is in a cylindrical structure, and the axial direction of the horizontal bubble 140 is parallel to the axial direction of the valve pipe 110; according to the technical scheme, the leveling component 150 capable of adjusting the inclination of the valve pipe 110 is arranged on the valve pipe 110, and then the leveling component is matched with the horizontal bubble 140 to measure the levelness, so that a worker can horizontally or vertically install the valve body 100, the valve body 100 can normally operate in a pipeline, and the valve body 100 is prevented from malfunctioning due to the inclination.

As shown in fig. 1 and 4, the leveling assembly 150 includes at least three second fixing blocks 151 disposed on the same horizontal plane and three threaded rods 152, in this embodiment, the leveling assembly 150 is provided with four second fixing blocks 151, each second fixing block 151 is provided with a threaded hole 1511, the threaded rod 152 is in threaded connection with the second fixing block 151 through the threaded hole 1511, and the axial direction of the threaded rod 152 is perpendicular to the axial direction of the valve tube 110; the top end of the threaded rod 152 is fixed with a handle rod 153, the axial direction of the handle rod 153 is perpendicular to the axial direction of the threaded rod 152, and the outer surface of the handle rod 153 is provided with anti-skid patterns, so that the handle rod 153 can increase the moment when the threaded rod 152 is rotated, the labor-saving effect is achieved, and the anti-skid patterns can increase the surface roughness of the handle rod 153; in actual use, the handle rod 153 is directly utilized to rotate the threaded rod 152, and under the action of the threaded hole 1511, the threaded rod 152 can move up or down along the axial direction, and when the positions of the four threaded rods 152 are adjusted, the levelness of the four threaded rods 152 can be adjusted, so that the valve body 100 is kept horizontal.

As shown in fig. 1 and 2, the hose assembly 130 includes a hose 134 and two sealing parts 131, wherein the hose 134 may be a rubber hose or a hose made of other materials, and the two sealing parts 131 are used for sealing and fixing two ends of the hose 134 to the connection pipe 121 and the valve pipe 110, respectively; in this technical scheme, link together connecting pipe 121 and valve pipe 110 through the hose 134 that sets up, just so, can carry out relative movement between ring flange 120 and the valve pipe 110 to make things convenient for the levelness of staff's adjustment valve body 100, avoid valve body 100 to install when on the hard tube the condition emergence that the levelness of valve body 100 can't be adjusted appears.

As shown in fig. 1 to 3, the sealing part 131 includes a sealing ring 132 which is not closed, and a fastening member 133, the sealing ring 132 is sleeved on the outer side of the flexible pipe 134 and presses the flexible pipe 134 against the valve pipe 110 or the connection pipe 121 through the fastening member 133; each sealing part 131 is provided with two sealing rings 132, the positions of the fasteners 133 on the two sealing rings 132 are opposite, and the inner surface of the flexible pipe 134 can be completely and thoroughly connected with the valve pipe 110 or the connecting pipe 121 in a sealing way by utilizing the opposite positions of the fasteners 133 on the two sealing rings 132, so that a good sealing effect is achieved.

As shown in fig. 3, the fastening member 133 includes two first fixing blocks 1331 fixedly connected with the sealing ring 132, a certain gap is formed between the two first fixing blocks 1331, where the existence of the gap indicates that the two first fixing blocks 1331 are not in contact, so that when the two first fixing blocks 1331 are tightened by using the fastening screw 1332, the two first fixing blocks 1331 gradually approach toward the middle, thereby achieving the purpose of pressing the flexible tube 134 on the valve tube 110 or the connection tube 121, and the two first fixing blocks 1331 are fixedly connected by the fastening screw 1332.

Working principle: when in use, the valve body 100 is firstly installed on a pipeline by utilizing the two flanges 120, and then the levelness of the valve body 100 can be adjusted, specifically as follows: the horizontal bubble 140 may indicate whether the valve body 100 is in a horizontal state, when the valve body 100 is not in a horizontal state, the two threaded rods 152 at the lower end of the valve body 100 are directly rotated, so that the length of the threaded rod 152 at the bottom end portion of the second fixed block 151 is gradually extended, at this time, the height of the lower end of the valve body 100 is gradually increased, that is, the valve body 100 gradually tends to be horizontal, and when the horizontal bubble 140 indicates that the valve body 100 is horizontal, the rotation of the threaded rod 152 is stopped; in the whole process, the flange 120 is communicated with the valve tube 110 through the soft tube 134, so that the flange 120 and the valve tube 110 can relatively move, and the levelness of the valve body 100 can be smoothly adjusted.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The slow-closing check valve comprises a valve body (100), wherein the valve body (100) comprises a valve pipe (110) and two flanges (120) arranged at the positions of a feed inlet and a discharge outlet of the valve pipe (110), and is characterized in that the valve pipe (110) is communicated with the flanges (120) through a hose assembly (130), and a leveling assembly (150) for enabling the valve pipe (110) to be horizontal is arranged on the valve pipe (110); the leveling assembly (150) comprises at least three second fixing blocks (151) and three threaded rods (152) which are arranged on the same horizontal plane, threaded holes (1511) are formed in each second fixing block (151), the threaded rods (152) are in threaded connection with the second fixing blocks (151) through the threaded holes (1511), and the axial direction of the threaded rods (152) is perpendicular to the axial direction of the valve tube (110).

2. The slow-closing check valve according to claim 1, wherein a handle rod (153) is fixed to the top end of the threaded rod (152), the axial direction of the handle rod (153) is perpendicular to the axial direction of the threaded rod (152), and anti-slip patterns are provided on the outer surface of the handle rod (153).

3. A slow closing check valve according to claim 1, wherein a horizontal bubble (140) is mounted on top of the valve body (100), the horizontal bubble (140) has a cylindrical structure, and the axial direction of the horizontal bubble (140) is parallel to the axial direction of the valve tube (110).

4. The slow-closing check valve according to claim 1, wherein the hose assembly (130) comprises a flexible tube (134) and two sealing parts (131), the flange plate (120) is fixedly connected with a connecting tube (121), and the two sealing parts (131) are used for sealing and fixing two ends of the flexible tube (134) to the connecting tube (121) and the valve tube (110) respectively.

5. The slow-closing check valve according to claim 4, wherein the sealing part (131) comprises an unsealed sealing ring (132) and a fastening piece (133), the sealing ring (132) is sleeved on the outer side of the flexible pipe (134) and compresses the flexible pipe (134) through the fastening piece (133).

6. A slow closing check valve according to claim 5, characterized in that each sealing portion (131) is provided with two sealing rings (132), the positions of the fasteners (133) on the two sealing rings (132) being opposite.

7. The slow-closing check valve according to claim 5, wherein the fastening member (133) comprises two first fixing blocks (1331) fixedly connected with the sealing ring (132), a certain gap is formed between the two first fixing blocks (1331), and the two first fixing blocks (1331) are fixedly connected through fastening screws (1332).