CN218992379U

CN218992379U - Clamp type butterfly valve

Info

Publication number: CN218992379U
Application number: CN202222625215.5U
Authority: CN
Inventors: 郑光阳
Original assignee: Southern Valve Manufacturing Tianjin Co ltd
Current assignee: Southern Valve Manufacturing Tianjin Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-05-09
Anticipated expiration: 2032-09-29

Abstract

The utility model relates to the technical field of butterfly valves, in particular to a clamp type butterfly valve which comprises a first base, a connecting block, a first bolt, a first nut and a second base, wherein the connecting block is fixedly connected to the first base and the second base, the first bolt is connected to the connecting block in a threaded manner, and the first nut is connected to the tail end of the first bolt in a threaded manner. The screw butterfly valve is characterized in that liquid or gas is impacted on the screw blade, so that the screw blade is subjected to pressure relief work in the inner rotation of the threaded pipe, the impact force on the clamp butterfly valve body is effectively reduced, the service life and the maintenance period are prolonged, the practicability is improved, the screw, the first bolt, the first nut and the second bolt or the second nut at corresponding positions are unscrewed, corresponding parts are opened, quick replacement of corresponding parts is performed, the whole clamp butterfly valve is not required to be taken down, then disassembly and assembly maintenance work is performed, the maintenance time and the effort of workers are effectively saved, the maintenance difficulty is reduced, the maintenance efficiency is accelerated, and the use convenience is improved.

Description

Clamp type butterfly valve

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a clamp type butterfly valve.

Background

The butterfly valve is also called as a flap valve, and is a regulating valve with simple structure, and the butterfly valve capable of being used for the on-off control of low-pressure pipeline medium is a valve in which a closing member (a valve clack or a butterfly plate) is a disc and rotates around a valve shaft to achieve opening and closing, and can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe is mainly used for cutting and throttling. The butterfly valve opening and closing member is a disc-shaped butterfly plate and rotates around the axis of the butterfly valve in the valve body, so that the purpose of opening and closing or adjusting is achieved, the clamp is a connecting device for connecting a pipe fitting with a groove, a valve and a pipeline fitting, the clamp is multipurpose in playing a clamping role between quick connectors, the clamp butterfly valve structure mainly comprises the valve body, a valve plate and an upper valve shaft and a lower valve shaft, the valve plate is completely wrapped by rubber, an elastic rubber valve seat is not arranged, and the rubber-wrapped valve plate and the valve body form a switch seal.

The existing clamp butterfly valve is impacted by water with different water pressures when in use, so that the impact borne by the valve plate is larger for a long time, the valve plate is easy to damage due to the lack of a pressure release function, the service life of the clamp butterfly valve is shortened, and the practicability of the clamp butterfly valve is reduced; meanwhile, the existing clamp butterfly valve is maintained and replaced, the whole clamp butterfly valve needs to be detached from the installation position for maintenance and then the clamp butterfly valve is detached, the disassembly and assembly process is quite complex, the difficulty is high, the maintenance efficiency is reduced, and therefore convenience of the existing clamp butterfly valve in maintenance is reduced.

Disclosure of Invention

The utility model aims to provide a clamp type butterfly valve for solving the problems in the background art. In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a clamp formula butterfly valve, includes first base, connecting block, first bolt, first nut and second base, equal fixedly connected with connecting block on first base and the second base, threaded connection has first bolt on the connecting block, the terminal threaded connection of first bolt has first nut, the equal sliding connection in top of first base and second base has the slider, the quantity of slider is four, four the slider falls into two sliders and is a set of, two sets of the slider corresponds the distribution on first base and second base, clamp formula butterfly valve body is installed on the top of slider, clamp formula butterfly valve body includes first flange, second bolt, second nut and screwed pipe, first flange and second flange correspond fixed connection on two sets of sliders, first flange and second flange have the second bolt, the terminal threaded connection of second bolt has the second nut, threaded connection has the screwed pipe on the second flange, the inner wall of support tube has the screwed connection on the support hub connection, the fixed bearing has the fixed connection of inner race, the fixed bearing cup joints on the fixed bearing.

Preferably, the two groups of sliding blocks are respectively connected with the first base and the second base in a threaded manner, the number of the screws is four, the four screws are divided into two groups, and the two groups of screws are correspondingly distributed on the first base and the second base.

Preferably, the number of the connecting blocks is four, the four connecting blocks are divided into two groups, the two groups of connecting blocks are correspondingly distributed on two sides of the first base and the second base, threaded openings are formed in the connecting blocks, and the outer surfaces of the first nuts correspondingly abut against the outer surfaces of the connecting blocks located on the second base.

Preferably, the top of second base and first base has all been seted up the spout, the slider is located the inside of spout, the mounting hole has been seted up to the bottom of first base and second base.

Preferably, the number of the first bolts is two, the two first bolts correspondingly penetrate through the two groups of connecting blocks, and the first base and the second base are in threaded connection through the first bolts and the first nuts.

Preferably, the number of the second bolts and the second nuts is four, and the four second bolts and the four second nuts are correspondingly distributed on the first connecting flange and the second connecting flange in a rectangular shape.

Compared with the prior art, the utility model has the beneficial effects that:

according to the clamp butterfly valve, when the clamp butterfly valve is used, liquid or gas is impacted on the spiral blade to drive the connecting shaft to rotate on the bearing, so that the spiral blade rotates in the threaded pipe to perform pressure relief work, the impact force on the clamp butterfly valve body is effectively reduced, the service life and the maintenance period of the clamp butterfly valve are prolonged, and the practicability of the clamp butterfly valve is enhanced;

according to the clamp type butterfly valve, the screws, the first bolts, the first nuts, the second bolts or the second nuts at the corresponding positions are unscrewed through the tool, the corresponding parts are opened, the corresponding parts are quickly replaced, the whole clamp type butterfly valve does not need to be taken down, then disassembly, assembly and maintenance work is carried out, the maintenance time and the efforts of workers are effectively saved, the maintenance difficulty is reduced, the maintenance efficiency is improved, and the use convenience of the clamp type butterfly valve is enhanced.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a bottom perspective structure of the present utility model;

FIG. 3 is a schematic top perspective view of the present utility model;

fig. 4 is a schematic view of a left-hand cross-sectional structure in the present utility model.

In the figure: 1. a first base; 2. a connecting block; 3. a first bolt; 4. a first nut; 5. a second base; 6. a slide block; 7. a bolt; 8. a clamp butterfly valve body; 801. a first connection flange; 802. a second connection flange; 803. a second bolt; 804. a second nut; 805. a threaded tube; 9. a support base; 10. a bearing; 11. a connecting shaft; 12. spiral leaves.

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 are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present utility model based on the embodiments of the present utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the clamp butterfly valve comprises a first base 1, a connecting block 2, a first bolt 3, a first nut 4 and a second base 5, wherein the first base 1 and the second base 5 are fixedly connected with the connecting block 2, the connecting block 2 is connected with the first bolt 3 in a threaded manner, the tail end of the first bolt 3 is connected with the first nut 4 in a threaded manner, the tops of the first base 1 and the second base 5 are slidably connected with sliding blocks 6, the number of the sliding blocks 6 is four, the four sliding blocks 6 are divided into two groups of sliding blocks 6, the two groups of sliding blocks 6 are correspondingly distributed on the first base 1 and the second base 5, the top end of the sliding block 6 is provided with a clamp butterfly valve body 8, the clamp butterfly valve body 8 mainly comprises a valve body, a valve rod, a butterfly valve 803 and a sealing ring, the valve body is cylindrical, the axial length is short, the butterfly plate is arranged in the clamp butterfly valve body 8 comprises a first connecting flange 801, a second connecting flange 802, a second bolt 804 and a threaded pipe 805, the first connecting flange 801 and the second connecting flange 802 are correspondingly and fixedly connected to the two groups of sliding blocks 6, a guide pipe is in threaded fit with the first connecting flange 801, a second bolt 803 is in threaded joint with the first connecting flange 801 and the second connecting flange 802, a second nut 804 is in threaded connection with the tail end of the second bolt 803, a threaded pipe 805 is in threaded fit with the second connecting flange 802, the threaded pipe 805 is in matched connection with a corresponding pipeline through the threaded pipe 805 and the guide pipe, a supporting seat 9 is fixedly connected to the inner wall of the threaded pipe 805, a bearing 10 is fixedly installed on the supporting seat 9, a connecting shaft 11 is fixedly sleeved on the inner ring of the bearing 10, a spiral blade 12 is fixedly connected to one end of the connecting shaft 11, in use, the connecting shaft 11 is driven to rotate on the bearing 10 through liquid or gas impact on the spiral blade 12, therefore, the spiral blade 12 rotates in the threaded pipe 805 to perform pressure relief work, and impact force on the clamp type butterfly valve body 8 is effectively reduced.

In this embodiment, as shown in fig. 1, 2, 3 and 4, two sets of sliding blocks 6 are respectively connected with the first base 1 and the second base 5 in a threaded manner, the number of the screws 7 is four, the four screws 7 are divided into two sets, and the two sets of screws 7 are correspondingly distributed on the first base 1 and the second base 5.

In this embodiment, as shown in fig. 1, 2, 3 and 4, the number of the connecting blocks 2 is four, the four connecting blocks 2 are divided into two groups, the two groups of connecting blocks 2 are correspondingly distributed on two sides of the first base 1 and the second base 5, the connecting blocks 2 are provided with threaded openings, and the outer surface of the first nut 4 correspondingly abuts against the outer surface of the connecting block 2 located on the second base 5.

In this embodiment, as shown in fig. 1, 2, 3 and 4, the top parts of the second base 5 and the first base 1 are both provided with a sliding groove, the sliding block 6 is located inside the sliding groove, and the bottoms of the first base 1 and the second base 5 are provided with mounting holes.

In this embodiment, as shown in fig. 1, 2, 3 and 4, the number of the first bolts 3 is two, two first bolts 3 correspondingly penetrate through two groups of connecting blocks 2, and the first base 1 and the second base 5 are in threaded connection through the first bolts 3 and the first nuts 4.

In this embodiment, as shown in fig. 1, 2, 3 and 4, the number of the second bolts 803 and the second nuts 804 is four, and the four second bolts 803 and the four second nuts 804 are correspondingly distributed on the first connection flange 801 and the second connection flange 802 in a rectangular shape.

The application method and the advantages of the utility model are as follows: when the clamp butterfly valve is used, the working process is as follows:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, when using this clamp formula butterfly valve, install this clamp formula butterfly valve at the assigned position through the fastener that the mounting hole cooperation corresponds on first base 1 and the second base 5, then cooperate with corresponding pipeline through screwed pipe 805 and pipe, make the tray rotate around the valve shaft through pulling the valve rod, make sealing washer and valve body separation, thereby carry out the switching on of valve body, carry out the transmission conduction work of corresponding material, on the screw blade 12 through liquid or gaseous impact, drive connecting axle 11 rotates at bearing 10, thereby make the screw blade 12 carry out the pressure release work in the rotation of screwed pipe 805, effectively reduce the impact force to clamp formula butterfly valve body 8, thereby the life and the maintenance cycle of this clamp formula butterfly valve are prolonged, the practicality of this clamp formula is strengthened, the impact that receives different water when using of clamp formula butterfly valve has been received to current, the impact that makes that the valve plate born is great down, because the clamp lacks the pressure release function and the damage that causes the valve plate easily, the practicality of the butterfly valve clamp formula butterfly valve is shortened.

When the maintenance work of this clamp butterfly valve needs to be carried out, unscrew screw 7, first bolt 3, first nut 4, second bolt 803 or second nut 804 of corresponding position through the instrument, open corresponding position, carry out the quick replacement of corresponding part, do not need to take off whole clamp butterfly valve, then carry out dismouting maintenance work again, effectively save maintenance time and staff's energy, reduce the maintenance degree of difficulty, accelerate maintenance efficiency, the use convenience of this clamp butterfly valve of reinforcing, it is maintaining to have solved current clamp butterfly valve, need dismantle whole clamp butterfly valve from the mounted position and maintain again the dismantlement of clamp butterfly valve, the dismouting process is very complicated, the degree of difficulty is great, lead to maintenance efficiency to reduce, thereby make the problem that current clamp butterfly valve convenience when maintaining reduces.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A clamp butterfly valve, characterized in that: including first base (1), connecting block (2), first bolt (3), first nut (4) and second base (5), all fixedly connected with connecting block (2) on first base (1) and second base (5), threaded connection has first bolt (3) on connecting block (2), the end threaded connection of first bolt (3) has first nut (4), the equal sliding connection in top of first base (1) and second base (5) has slider (6), the quantity of slider (6) is four, four slider (6) divide into two slider (6) and are a set of, two sets of slider (6) correspond to be distributed on first base (1) and second base (5), clamp butterfly valve body (8) are installed on the top of slider (6), clamp butterfly valve body (8) include first flange (801), second flange (802), second bolt (803), second nut (805) and screwed pipe (805), first flange (803) and second flange (803) correspond on two flange (801) and second flange (801) are connected together to the first flange (803), the end threaded connection of second bolt (803) has second nut (804), threaded fit has screwed pipe (805) on second flange (802), fixedly connected with supporting seat (9) on the inner wall of screwed pipe (805), fixedly mounted with bearing (10) on supporting seat (9), connecting axle (11) have been cup jointed to the inner circle of bearing (10), one end fixedly connected with helical blade (12) of connecting axle (11).

2. A clamp butterfly valve according to claim 1, wherein: the two groups of sliding blocks (6) are respectively connected with the first base (1) and the second base (5) in a threaded mode, the number of the screws (7) is four, the four screws (7) are divided into two groups, and the two groups of screws (7) are correspondingly distributed on the first base (1) and the second base (5).

3. A clamp butterfly valve according to claim 1, wherein: the number of the connecting blocks (2) is four, the four connecting blocks (2) are divided into two groups, the two groups of connecting blocks (2) are correspondingly distributed on two sides of the first base (1) and the second base (5), threaded openings are formed in the connecting blocks (2), and the outer surfaces of the first nuts (4) are correspondingly propped against the outer surfaces of the connecting blocks (2) located on the second base (5).

4. A clamp butterfly valve according to claim 1, wherein: the sliding block is characterized in that sliding grooves are formed in the tops of the second base (5) and the first base (1), the sliding block (6) is located in the sliding grooves, and mounting holes are formed in the bottoms of the first base (1) and the second base (5).

5. A clamp butterfly valve according to claim 1, wherein: the number of the first bolts (3) is two, the two first bolts (3) correspondingly penetrate through the two groups of connecting blocks (2), and the first base (1) and the second base (5) are in threaded connection with the first nuts (4) through the first bolts (3).

6. A clamp butterfly valve according to claim 1, wherein: the number of the second bolts (803) and the second nuts (804) is four, and the four second bolts (803) and the four second nuts (804) are correspondingly distributed on the first connecting flange (801) and the second connecting flange (802) in a rectangular shape.