阅读说明：本技术 一种用于圆形输气管道的复合材料异形风管逆止阀 (Composite material special-shaped air pipe check valve for circular gas transmission pipeline ) 是由 向尚 于 2021-07-02 设计创作，主要内容包括：本发明公开了逆止阀技术领域的一种用于圆形输气管道的复合材料异形风管逆止阀,包括逆止阀本体,逆止阀本体包括圆形阀体部分和方形阀体部分,逆止阀本体的内侧设置有上部叶片、中部叶片和下部叶片,上部叶片、中部叶片和下部叶片上均连接有旋转轴,旋转轴转动设置于逆止阀本体的内部,旋转轴的外端设置有密封套帽,逆止阀本体的内侧设置有三个限位挡板,逆止阀本体的内侧设置有密封挡板；本发明能够减少整个逆止阀本体的体积,降低制造用料和制造成本,易于运输、安装和维护,采用模具和缠绕法进行加工,制作方便快捷,外形美观大方,通过减重减小阀门叶片的开启力矩,消除部分结构死角对气体输送的影响,降低逆止阀本体的压损。(The invention discloses a composite material special-shaped air pipe check valve for a circular gas transmission pipeline in the technical field of check valves, which comprises a check valve body, wherein the check valve body comprises a circular valve body part and a square valve body part, an upper blade, a middle blade and a lower blade are arranged on the inner side of the check valve body, rotating shafts are connected to the upper blade, the middle blade and the lower blade, the rotating shafts are rotatably arranged in the check valve body, a sealing sleeve cap is arranged at the outer end of each rotating shaft, three limiting baffles are arranged on the inner side of the check valve body, and a sealing baffle is arranged on the inner side of the check valve body; the check valve body can reduce the volume of the whole check valve body, reduces manufacturing materials and manufacturing cost, is easy to transport, install and maintain, is processed by adopting a die and a winding method, is convenient and quick to manufacture, has attractive and elegant appearance, reduces the opening torque of a valve blade by reducing weight, eliminates the influence of partial structure dead angles on gas delivery, and reduces the pressure loss of the check valve body.)

1. The utility model provides a combined material dysmorphism tuber pipe check valve for circular gas transmission pipeline, includes check valve body (2), its characterized in that: check valve body (2) include circular valve body part (1) and square valve body part (6), the inboard of check valve body (2) is provided with upper portion blade (8), middle part blade (9) and lower part blade (10), all be connected with rotation axis (3) on upper portion blade (8), middle part blade (9) and lower part blade (10), rotation axis (3) rotate and set up in the inside of check valve body (2), the outer end of rotation axis (3) is provided with seal cover cap (5), the inboard of check valve body (2) is provided with three limit baffle (7), the inboard of check valve body (2) is provided with seal baffle (4).

2. The composite material special-shaped air pipe check valve for the circular gas transmission pipeline as claimed in claim 1, wherein: the upper blade (8), the middle blade (9), the lower blade (10) and the check valve body (2) are matched in internal specification.

3. The composite material special-shaped air pipe check valve for the circular gas transmission pipeline as claimed in claim 1, wherein: the rotating shaft (3), the upper blade (8), the middle blade (9) and the lower blade (10) are tightly attached to the sealing baffle (4).

4. The composite material special-shaped air pipe check valve for the circular gas transmission pipeline as claimed in claim 1, wherein: the three limit baffles (7) are respectively used for limiting the opening degrees of the upper blade (8), the middle blade (9) and the lower blade (10).

5. The composite material special-shaped air pipe check valve for the circular gas transmission pipeline as claimed in claim 1, wherein: and a buffer rubber layer is arranged on the limiting baffle (7).

6. The composite material special-shaped air pipe check valve for the circular gas transmission pipeline as claimed in claim 1, wherein: the rotating shaft (3) is provided with an inner layer structure and an outer layer structure, the inner layer plays a role in fixing and strength, and the outer layer plays a role in rotating.

7. The composite material special-shaped air pipe check valve for the circular gas transmission pipeline as claimed in claim 1, wherein: the sealing sleeve cap (5) is provided with an inner layer structure and an outer layer structure, the inner layer plays a role in protection and rotation, and the outer layer plays a role in fixation and sealing.

8. The manufacturing process of the composite material special-shaped air pipe check valve for the circular gas transmission pipeline according to the claims 1 to 7 is characterized by comprising the following steps;

s1: the square valve body part (6) of the check valve body (2) is processed and manufactured by adopting a male die, and the inner wall can be ensured to be flat and smooth after demoulding;

s2: when the circular valve body part (1) is manufactured, a complete circular valve body is manufactured by adopting a winding process, and then the cutting operation is carried out;

s3: the square valve body part (6) and the round valve body part (1) are coated and connected by a hand pasting process.

Technical Field

The invention relates to the technical field of check valves, in particular to a composite material special-shaped air pipe check valve for a circular gas transmission pipeline.

Background

Along with the rapid development of the domestic environmental protection industry, the requirements on environmental management and environmental protection facilities and equipment are gradually improved, and particularly in the field of waste gas treatment, the safety, the energy conservation, the tightness and the stability of a wind pipe check valve in a waste gas treatment system are directly and normally operated. The air pipe check valve is mainly used when a plurality of fans share one conveying pipeline and is generally arranged at the air outlet of the fan.

Traditional compound material tuber pipe check valve adopts square valve body structure usually, can directly dock when external tuber pipe is square, but when external tuber pipe is circular, the tradition way is at the external circular nozzle stub in check valve both ends, docks through circular nozzle stub and circular tuber pipe. Under the condition, the traditional square check valve is large in size, heavy and inconvenient to install; the square structure leads to large blade area and weight, the torque required for opening and closing is high, meanwhile, because the circular short pipe is externally connected, the positions of four corners are dead angles, and turbulence is easily generated to influence the conveying and flowing of gas, so that the traditional square check valve is high in pressure loss and energy-saving; the sealing limit baffle has longer perimeter, more air leakage points and poorer tightness.

Therefore, it is necessary to design a check valve for a composite material special-shaped air pipe for a circular gas transmission pipeline.

Disclosure of Invention

The invention aims to provide a composite material special-shaped air pipe check valve for a circular air transmission pipeline, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a combined material dysmorphism tuber pipe check valve for circular gas transmission pipeline, includes the check valve body, the check valve body includes circular valve body part and square valve body part, the inboard of check valve body is provided with upper portion blade, middle part blade and lower part blade, all be connected with the rotation axis on upper portion blade, middle part blade and the lower part blade, the rotation axis rotates and sets up in the inside of check valve body, the outer end of rotation axis is provided with the seal cover cap, the inboard of check valve body is provided with three limit baffle, the inboard of check valve body is provided with seal baffle.

Furthermore, in the composite material special-shaped air pipe check valve for the circular gas transmission pipeline, the upper blade, the middle blade and the lower blade are matched with the internal specification of the check valve body.

Furthermore, in the composite material special-shaped air pipe check valve for the circular gas transmission pipeline, the rotating shaft, the upper blade, the middle blade and the lower blade are tightly attached to the sealing baffle.

Furthermore, in the composite material special-shaped air pipe check valve for the circular gas transmission pipeline, the three limiting baffles are respectively used for limiting the opening degrees of the upper blade, the middle blade and the lower blade.

Furthermore, in the composite material special-shaped air pipe check valve for the circular gas transmission pipeline, a buffer rubber layer is arranged on the limiting baffle.

Furthermore, in the above-mentioned combined material dysmorphism tuber pipe check valve for circular gas transmission pipeline, the rotation axis has interior outer layer structure, and the inlayer plays fixed and intensity effect, and the skin plays the rotation effect.

Furthermore, in the composite material special-shaped air pipe check valve for the circular gas transmission pipeline, the sealing sleeve cap is provided with an inner layer structure and an outer layer structure, the inner layer plays a role in protection and rotation, and the outer layer plays a role in fixation and sealing.

A manufacturing process of a composite material special-shaped air pipe check valve for a round gas transmission pipeline comprises the following steps;

s1: the square valve body part of the check valve body is processed and manufactured by adopting a male die, and the inner wall can be ensured to be flat and smooth after demoulding;

s2: when the circular valve body part is manufactured, a complete circular valve body is manufactured by adopting a winding process, and then the cutting operation is carried out;

s3: the square valve body part and the round valve body part are coated and connected by a hand pasting process.

Compared with the prior art, the invention has the beneficial effects that:

1. the check valve body can reduce the volume of the whole check valve body, reduce manufacturing materials and manufacturing cost, and is easy to transport, install and maintain.

2. The invention adopts the die and the winding method for processing, the manufacturing is convenient and fast, and the appearance is beautiful and elegant.

3. The invention reduces the opening torque of the valve blade by weight reduction, eliminates the influence of partial structure dead angles on gas delivery, and reduces the pressure loss of the check valve body, thereby being beneficial to the energy conservation and environmental protection of the whole waste gas system.

4. The invention can reduce the air leakage rate of the check valve body and improve the sealing performance of the check valve by reducing the perimeter of the sealing baffle and the limiting baffle, thereby improving the operation safety and the stability of the whole waste gas system.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is an isometric view of a structure of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is a top view of the structure of the present invention;

FIG. 4 is a front view of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-circular valve body part, 2-check valve body, 3-rotating shaft, 4-sealing baffle, 5-sealing sleeve cap, 6-square valve body part, 7-limiting baffle, 8-upper blade, 9-middle blade and 10-lower blade.

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.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a combined material dysmorphism tuber pipe check valve for circular gas transmission pipeline, including check valve body 2, check valve body 2 includes circular valve body part 1 and square valve body part 6, adopt half square structure under half promptly, as shown in figure 1, the inboard of check valve body 2 is provided with upper portion blade 8, middle part blade 9 and lower part blade 10, upper portion blade 8, all be connected with rotation axis 3 on middle part blade 9 and the lower part blade 10, rotation axis 3 rotates and sets up in the inside of check valve body 2, the outer end of rotation axis 3 is provided with seal sleeve cap 5, the inboard of check valve body 2 is provided with three limit baffle 7, be provided with the cushion rubber layer on the limit baffle 7, the inboard of check valve body 2 is provided with seal baffle 4.

Wherein, the upper blade 8, the middle blade 9 and the lower blade 10 are matched with the internal specification of the check valve body 2. The upper blade is square, and the size of the upper blade is consistent with that of the square valve body; one part of the middle blade is square and the other part is fan-shaped, wherein the square part is consistent with the square valve body part, and the fan-shaped part is consistent with the circular valve body part; the lower blade is fan-shaped, and the size of the lower blade is consistent with that of the circular valve body.

The rotating shaft 3, the upper blade 8, the middle blade 9 and the lower blade 10 are tightly attached to the sealing baffle 4.

The three limit baffles 7 are respectively used for limiting the opening degrees of the upper blade 8, the middle blade 9 and the lower blade 10. The upper blade 8, the middle blade 9 and the lower blade 10 can be guaranteed to play a role in limiting when the opening degree is maximum, and the blades are guaranteed to be in correct opening angles.

The rotating shaft 3 has an inner layer structure and an outer layer structure, wherein the inner layer has the fixing and strength functions, and the outer layer has the rotating function.

The sealing sleeve cap 5 has an inner layer structure and an outer layer structure, wherein the inner layer plays a role in protection and rotation, and the outer layer plays a role in fixation and sealing.

A manufacturing process of a composite material special-shaped air pipe check valve for a round gas transmission pipeline comprises the following steps;

s1: the square valve body part 6 of the check valve body 2 is processed and manufactured by adopting a male die, and the inner wall can be ensured to be flat and smooth after demoulding;

s2: when the circular valve body part 1 is manufactured, a complete circular valve body is manufactured by adopting a winding process, and then the cutting operation is carried out; the winding process is that a steel roller is driven to roll by a winding machine, resin and fiber cloth are uniformly coated and wound on the roller manually, and the process can be stopped when the requirements on the design thickness and the strength are met, and the whole circular valve body with the required size is formed after curing.

S3: the square valve body part 6 and the round valve body part 1 are coated and connected by a hand pasting process. The hand pasting process is that glass fiber fabrics and resin are alternately paved on the bonding position by manual operation, and then the glass fiber fabrics and the resin are solidified and molded to achieve the purpose of connection.

When the gas is conveyed in a single direction, the upper blade, the middle blade and the lower blade are blown up and opened to the maximum position, so that the gas flows conveniently, and after the gas is stopped being conveyed, the upper blade, the middle blade and the lower blade naturally droop to the closed position due to the influence of gravity; when the gas is reversely conveyed, the sealing baffle plate limits the reverse opening of the upper blade, the middle blade and the lower blade, and can play the roles of forbidding gas conveying and ensuring the one-way circulation of the gas.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.