Port flaring device for small-caliber pipeline

Abstract

The utility model relates to the technical field of hose flaring, in particular to a port flaring device for a small-caliber pipeline, which comprises an air delivery pump fixedly connected on a base and a fixed pipe fixedly connected on the air delivery pump and communicated with the air delivery pump, and a telescopic pipe is further slidably connected in the fixed pipe. A flaring mechanism is arranged at the front end of the telescopic pipe and used for flaring a small-caliber hose, and the flaring mechanism comprises an air bag and end plates connected to the two ends of the air bag. The air bag is inflated to expand, the flaring function can be achieved, and the inflation amount can be selected according to the size of a needed flaring. Therefore, the flaring selection is more, the operation is more convenient, and the suitability of the scheme is better. A hose fixing base is arranged at the position right opposite to the flaring mechanism, an arc-shaped clamping plate is arranged in the fixing base and used for clamping the small-caliber hose in the hose fixing base, the small-caliber hose is kept fixed, operation is easy and convenient, and more labor is saved.

Description

Technical Field

[0001] This utility model relates to the field of flexible hose flaring technology, and in particular to a port flaring device for small-diameter pipes. Background Technology

[0002] Before connecting and installing pipes, they generally need to be flared. For plastic or rubber pipes, there are generally two methods for flaring: hot flaring and cold flaring. Hot flaring involves heating the pipe to soften it, then directly fitting it onto the joint for securing.

[0003] However, some plastics and rubber materials change their properties when heated, leading to changes or even a decline in pipe performance. Therefore, a cold method must be used, which involves forcibly widening the pipe opening using a flaring tool without heating.

[0004] When using the cold-method method, a suitable flaring tool must be selected. The nozzle at the front of the flaring tool, used for flaring, is often designed in a multi-stage stepped shape to accommodate PE pipes of different diameters. However, the number of stepped nozzle stages generally does not exceed three. This is because with this stepped structure, the more stages there are, the longer the nozzle becomes. An excessively long nozzle not only makes operation cumbersome but also shifts the center of gravity forward, affecting stability. Therefore, it is not suitable for some small-diameter pipes.

[0005] In addition, most commonly used flaring tools are manual, requiring human power to operate, which is difficult, especially for small-diameter pipes with thick inner walls, where a lot of force is needed to flare, which is troublesome for operators. Utility Model Content

[0006] In view of this, the purpose of this utility model is to provide a port flaring device for small-diameter pipes to solve the problems in the prior art.

[0007] To achieve the above objectives, this utility model provides a port flaring device for small-diameter pipes, including a base for supporting the entire device, and the flaring device further includes:

[0008] An air pump is fixedly connected to the base, and the air pump is connected to an external air source through an air inlet pipe;

[0009] A fixed pipe is fixedly connected to and communicates with the air pump, and a telescopic pipe is also slidably connected in the fixed pipe;

[0010] A flaring mechanism is provided at the front end of the telescopic tube for flaring small-diameter hoses. The flaring mechanism includes an air bladder and end plates connected to both ends of the air bladder. The end plates are fixedly connected to the front end of the telescopic tube.

[0011] Furthermore, the flaring mechanism also includes an intermediate tube located inside the airbag, which is fixedly connected between the two end plates.

[0012] Furthermore, the intermediate tube is connected to the telescopic tube, and the intermediate tube is also provided with several through holes that communicate with the inner cavity of the airbag.

[0013] Furthermore, a fixing tube bracket is fixedly connected to the base, and the fixing tube is fixedly connected to the fixing tube bracket.

[0014] Furthermore, a sealing ring is also connected between the fixed tube and the telescopic tube.

[0015] Furthermore, a hose fixing seat is also fixedly connected to the base for fixing a small-diameter hose that needs to be flared. The hose fixing seat is a hollow tubular component, and an arc-shaped clamp is provided inside the hose fixing seat for clamping the small-diameter hose inside the hose fixing seat.

[0016] Furthermore, a pressing plate is fixedly connected to the top of the arc-shaped clamp, the upper end of the pressing plate passes through the hose fixing seat and extends out, and the pressing plate is slidably connected to the hose fixing seat. A rubber pad is also fixedly connected to the top of the pressing plate.

[0017] Furthermore, the top of the arc-shaped clamp is provided with several return springs, the upper end of which is fixedly connected to the inner wall of the hose fixing seat.

[0018] The beneficial effects of this utility model are as follows: 1. By setting a flaring mechanism to flare the small-diameter hose, the flaring mechanism can extend or retract, and it mainly consists of an air bladder. When the air bladder is not inflated, it contracts, making it very small and easily inserted into the port of the small-diameter hose. When the air bladder is inflated, it achieves the flaring function, and the inflation amount can be selected according to the desired flaring size. Therefore, there are more flaring options, the operation is more convenient, and the adaptability of this solution is better.

[0019] 2. End plates are installed at both ends of the airbag to ensure that it expands only outwards during inflation, preventing expansion to either end and ensuring accurate flaring. Inflation of the airbag is achieved through an internal central tube, which connects to an air pump via a telescopic tube and a fixed tube. The telescopic tube can slide freely, and the air pump is equipped with an air valve button to control the airflow. This flexible and convenient operation allows for single-person operation.

[0020] 3. A hose fixing seat is also set at the position directly opposite the flaring mechanism. An arc-shaped clamp is set inside the fixing seat to clamp the small-diameter hose inside the hose fixing seat. A pressing plate is fixedly connected to the top of the arc-shaped clamp. Therefore, you only need to press the pressing plate to make the arc-shaped clamp descend and clamp the small-diameter hose, so that the small-diameter hose is kept fixed. The operation is simple, convenient and less labor-intensive. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only for this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of an embodiment of the present utility model.

[0023] Figure 2 This is a schematic diagram of the overall structural principle of this utility model.

[0024] Figure 3 This is a side view of the present invention.

[0025] Figure 4 This is a schematic diagram of the internal structure of the device of this utility model.

[0026] The diagram is marked as follows:

[0027] 101. Air pump; 102. Air inlet pipe; 103. Air valve button; 104. Fixed pipe; 105. Fixed pipe bracket; 106. Telescopic pipe; 107. End plate; 108. Airbag; 109. Intermediate pipe; 110. Through hole; 111. Hose fixing seat; 112. Arc-shaped clamp; 113. Pressing plate; 114. Return spring; 115. Base. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments.

[0029] It should be noted that, unless otherwise defined, the technical or scientific terms used in this utility model should have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0030] The first aspect of this utility model is as follows: Figure 1 , Figure 2 and Figure 4 As shown, this solution uses a cold-method for flaring. To address the problems associated with traditional cold-method flaring using a flaring tool, a specially designed air pump 101 is fixedly connected to the base 115. The air pump 101 is connected to an external air source via an air inlet pipe 102. A fixed pipe 104 is fixedly connected to the air outlet end of the air pump 101. The fixed pipe 104 is open on both sides, with one end connected to the air pump 101 and the other end connected to a telescopic pipe 106. The telescopic pipe 106 is slidably connected within the fixed pipe 104.

[0031] Preferably, a sealing ring is also connected between the fixed tube 104 and the telescopic tube 106 to prevent air leakage.

[0032] The key feature is that the front end of the telescopic tube 106 is equipped with a flaring mechanism for flaring the small-diameter hose. This flaring mechanism includes an airbag 108 and end plates 107 connected to both ends of the airbag 108. The end plates 107 are fixedly connected to the front end of the telescopic tube 106. Additionally, the flaring mechanism includes an intermediate tube 109 located inside the airbag 108, which is fixedly connected between the two end plates 107. The intermediate tube 109 communicates with the telescopic tube 106 and also has several through holes 110 communicating with the inner cavity of the airbag 108.

[0033] A flaring mechanism is used to widen the opening of small-diameter hoses. This mechanism can extend or retract, and it mainly consists of an air bladder 108. When deflated, the air bladder 108 is contracted, making it very small and easily inserted into the end of the small-diameter hose. When inflated, the air bladder 108 expands, achieving the flaring function, and the inflation volume can be selected according to the desired flaring size. Therefore, this solution offers more flaring options, is more convenient to operate, and has better adaptability.

[0034] Preferably, a fixed pipe bracket 105 is also fixedly connected to the base 115, the fixed pipe 104 is fixedly connected to the fixed pipe bracket 105, and the air pump 101 is also provided with an air valve button 103 for controlling the air circuit opening and closing.

[0035] End plates 107 are provided at both ends of the airbag 108 to ensure that the airbag 108 expands only outwards and not towards the ends when it inflates, thus ensuring the accuracy of the flare. The airbag 108 is inflated by supplying air through its internal intermediate tube 109, which is connected to the air pump 101 via a telescopic tube 106 and a fixed tube 104. The telescopic tube 106 can slide freely, and an air valve button 103 is provided on the air pump 101 to control the air path. It is flexible and easy to operate, allowing a single worker to operate it.

[0036] The second aspect of this utility model is as follows: Figure 2 , Figure 3 and Figure 4 As shown, a hose fixing seat 111 is also fixedly connected to the base 115 for fixing a small-diameter hose that needs to be flared. The hose fixing seat 111 is a hollow tubular component, and an arc-shaped clamping plate 112 is provided inside the hose fixing seat 111 for clamping the small-diameter hose inside the hose fixing seat 111. A pressing plate 113 is fixedly connected to the top of the arc-shaped clamping plate 112. The upper end of the pressing plate 113 passes through the hose fixing seat 111 and extends out, and the pressing plate 113 is slidably connected to the hose fixing seat 111. A rubber pad is also fixedly connected to the top of the pressing plate 113.

[0037] Preferably, the tubular component in the hose fixing seat 111 used to fix the small-diameter hose faces the flaring mechanism.

[0038] By setting a hose fixing seat 111 directly opposite the flaring mechanism, and setting an arc-shaped clamping plate 112 inside the hose fixing seat 111 to clamp the small-diameter hose inside the hose fixing seat 111, and a pressing plate 113 is fixedly connected to the top of the arc-shaped clamping plate 112, the arc-shaped clamping plate 112 can be lowered and clamped to keep the small-diameter hose fixed by simply pressing the pressing plate 113. The operation is simple, convenient and less strenuous.

[0039] In addition, several return springs 114 are provided on the top of the arc-shaped clamp 112, and the upper end of the return springs 114 is fixedly connected to the inner wall of the hose fixing seat 111. After the flaring is completed, when the worker stops pressing the pressing plate 113, the arc-shaped clamp 112 will automatically spring up under the action of the return springs 114, and will no longer clamp the small-diameter hose, so the small-diameter hose can be removed very easily.

[0040] The main structure of this solution is set on the base 115, forming a whole. The base 115 is fixedly installed in a suitable location in the workshop, eliminating the need to search for it when needed and store it after use, unlike traditional flaring tools. Specific implementation examples:

[0042] When a worker needs to flare the end of a small-diameter hose, the worker first passes the small-diameter hose through the tubular part in the hose fixing seat 111 used to fix the small-diameter hose, and leaves enough length (for the length of the small-diameter hose end to be flared). Then, the worker only needs to press the pressing plate 113 to make the arc-shaped clamp 112 descend and clamp the small-diameter hose, so that the small-diameter hose is kept fixed.

[0043] Then, the worker pulls out the telescopic tube 106 from the fixed tube 104 and inserts the uninflated flaring mechanism into the small-diameter hose. Since the airbag 108 contracts when not inflated and has a very small volume, it can easily be inserted into the port of the small-diameter hose. After the airbag 108 is inserted into the small-diameter hose, the air valve button 103 is pressed, and the air pump 101 inflates the airbag 108 through the fixed tube 104, the telescopic tube 106, and the intermediate tube 109. The airbag 108 inflates and expands, achieving the flaring function, and the inflation volume can be selected according to the desired flaring size.

[0044] After the flaring is completed, the worker deflates the airbag 108. Once the airbag 108 has contracted and become smaller, the flaring mechanism is removed and reset. Finally, after the worker stops pressing the pressure plate 113, the arc-shaped clamp 112 automatically springs up under the action of the reset spring 114, no longer clamping the small-diameter hose, thus making it very convenient to remove the small-diameter hose.

[0045] In summary, this solution uses a flaring mechanism to widen the opening of small-diameter hoses. This mechanism can extend or retract, and it primarily consists of an airbag 108. When deflated, the airbag 108 is contracted, making it very small and easily inserted into the small-diameter hose port. When inflated, the airbag 108 expands, achieving the flaring function, and the inflation volume can be selected according to the desired flaring size. Therefore, it offers more flaring options, is more convenient to operate, and has better adaptability. End plates 107 are provided at both ends of the airbag 108 to ensure that it only expands outwards, not towards the ends, guaranteeing the accuracy of the flaring. The airbag 108 is inflated by supplying air through its internal intermediate tube 109. The intermediate tube 109 is connected to the air pump 101 via a telescopic tube 106 and a fixed tube 104. The telescopic tube 106 can slide freely, and the air pump 101 is equipped with an air valve button 103 for controlling the air path. It is flexible and easy to operate, allowing for single-person operation. A hose fixing seat 111 is also provided at the position directly opposite the flaring mechanism. An arc-shaped clamping plate 112 is provided inside the fixing seat 111 to clamp the small-diameter hose inside the hose fixing seat 111. A pressing plate 113 is fixedly connected to the top of the arc-shaped clamping plate 112. Therefore, simply pressing the pressing plate 113 will cause the arc-shaped clamping plate 112 to descend and clamp the small-diameter hose, keeping the small-diameter hose fixed. The operation is simple, convenient, and less strenuous.

[0046] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of the present invention includes the claims being limited to these examples; within the framework of the present invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in the details for the sake of brevity.

[0047] This utility model is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A port flaring device for a small-diameter pipe, comprising a base (115) for supporting the entire device, characterized in that, The flaring device further includes: An air pump (101) is fixedly connected to the base (115), and the air pump (101) is connected to an external air source through an air inlet pipe (102); A fixed pipe (104) is fixedly connected to and communicates with the gas pump (101), and a telescopic pipe (106) is also slidably connected in the fixed pipe (104); A flaring mechanism is provided at the front end of the telescopic tube (106) for flaring the small-diameter hose. The flaring mechanism includes an airbag (108) and end plates (107) connected to both ends of the airbag (108). The end plates (107) are fixedly connected to the front end of the telescopic tube (106).

2. The port flaring device for a small-diameter pipe according to claim 1, characterized in that, The flaring mechanism also includes an intermediate tube (109) located inside the airbag (108), which is fixedly connected between the two end plates (107).

3. The port flaring device for a small-diameter pipe according to claim 2, characterized in that, The intermediate tube (109) is connected to the telescopic tube (106), and the intermediate tube (109) is also provided with several through holes (110) that are connected to the inner cavity of the airbag (108).

4. The port flaring device for a small-diameter pipe according to claim 1, characterized in that, A fixing tube bracket (105) is also fixedly connected to the base (115), and the fixing tube (104) is fixedly connected to the fixing tube bracket (105).

5. The port flaring device for a small-diameter pipe according to claim 1, characterized in that, A sealing ring is also connected between the fixed pipe (104) and the telescopic pipe (106), and the air pump (101) is also equipped with an air valve button (103) for controlling the air circuit opening and closing.

6. The port flaring device for a small-diameter pipe according to claim 1, characterized in that, A hose fixing seat (111) is also fixedly connected to the base (115) for fixing a small-diameter hose that needs to be flared. The hose fixing seat (111) is a hollow tubular component, and an arc-shaped clamp (112) is provided inside the hose fixing seat (111) for clamping the small-diameter hose inside the hose fixing seat (111).

7. The port flaring device for a small-diameter pipe according to claim 6, characterized in that, A pressing plate (113) is fixedly connected to the top of the arc-shaped clamp (112). The upper end of the pressing plate (113) passes through the hose fixing seat (111) and extends out. The pressing plate (113) is slidably connected to the hose fixing seat (111). A rubber pad is also fixedly connected to the top of the pressing plate (113).

8. The port flaring device for a small-diameter pipe according to claim 7, characterized in that, The top of the arc-shaped clamp (112) is also provided with several return springs (114), the upper end of which is fixedly connected to the inner wall of the hose fixing seat (111).

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