A threaded pipe connector for air supply in a drying tank and its connection structure
By using threaded pipe connectors that are fitted with inner and outer cylinders in solar cell production equipment, and using friction rings and limit ring structures, the problem of loosening and falling off of air supply thread pipes due to wind vibration is solved, and a stable and reliable connection effect is achieved.
Patent Information
- Application Number
- CN202421511110.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-28
AI Technical Summary
In solar cell production equipment, the air supply threaded pipe continues to vibrate due to the influence of wind, which leads to the problem of loosening the fastening structure under vibration, which leads to the problem of the threaded pipe falling off.
A threaded pipe connection for drying groove air supply is adopted, including an inner cylinder and an outer cylinder. The outer wall of the inner cylinder has a frictional convex ring, the inner wall of the outer cylinder forms an annular interposition gap between the outer cylinder and the outer wall of the inner cylinder, and the outer side wall of the outer cylinder has a limiting convex ring. Through these structures, the pipe mouth is restricted by friction and is not easy to detach, and the thread protrusion of the threaded pipe is coordinated with the limiting convex ring to prevent falling off.
It realizes stable connection of threaded pipes under the influence of wind movement, preventing the threaded pipe from falling off due to long-term use. The connection is simple, stable and reliable, reducing the risk of falling off caused by wind movement factors.
Smart Images

Figure CN222702824U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of solar cell production equipment, and more specifically to a threaded pipe connector for air supply in a drying tank and a connecting structure thereof. Background Art
[0002] Threaded tube refers to a tubular elastic sensitive element connected by foldable corrugated sheets along the folding and stretching direction. Threaded tubes are widely used in instruments and meters. Their main purpose is to be used as measuring elements of pressure measuring instruments to convert pressure into displacement or force. Threaded tubes have thinner walls and higher sensitivity. The measuring range is from tens of Pa to tens of MPa. Its open end is fixed, the sealed end is in a free state, and an auxiliary spiral spring or reed is used to increase elasticity.
[0003] In the production equipment of solar cells, due to the demand for air supply, threaded pipes are usually needed to connect various pipe joints. Due to the flexibility and strength of the threaded pipes, they have a good use effect.
[0004] However, the air supply threaded pipe will continue to vibrate due to the influence of wind, and it is easy to loosen when it is directly fastened with a clamp under continuous vibration. For the existing conventional fastening structure, it is easy for the threaded pipe to come out in the opposite direction due to the influence of wind, and then cause the threaded pipe to fall off.
[0005] Therefore, how to provide a threaded pipe connector and its connection structure that can overcome the influence of wind and prevent the threaded pipe from falling off due to long-term use is a problem that technical personnel in this field urgently need to solve. Utility Model Content
[0006] In view of this, the utility model provides a threaded pipe connector for air supply of a drying trough and a connection structure thereof, aiming to solve the above technical problems.
[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0008] A threaded pipe connector for air supply of a drying trough, comprising:
[0009] An inner cylinder, wherein the outer wall of the inner cylinder has a plurality of friction convex rings;
[0010] The outer cylinder is coaxially arranged on the outside of the inner cylinder, one end edge of the outer cylinder is aligned with one end edge of the inner cylinder, and the aligned edges of the outer cylinder and the inner cylinder are connected by an annular sealing edge, so that the outer cylinder and the inner cylinder form an integrated structure, an annular plug-in gap is formed between the inner wall of the outer cylinder and the outer wall of the inner cylinder, and the outer side wall of the outer cylinder has a plurality of limiting convex rings.
[0011] Through the above technical scheme, the threaded pipe connector provided by the utility model utilizes the cooperation of the inner tube and the outer tube to form an annular plug-in gap, and the annular plug-in gap is plugged into the pipe mouth, so that the pipe mouth is frictionally restricted by the friction convex ring and is not easy to fall out, and then the threaded protrusion of the threaded pipe is cooperated with the limiting convex ring to prevent the threaded pipe from falling off, and the connection is simple, stable and reliable.
[0012] Preferably, in the above-mentioned threaded pipe connector for air supply of a drying tank, the friction convex ring is made of hard rubber material. Hard rubber can provide both strong support and strong friction effect.
[0013] Preferably, in the above-mentioned threaded pipe connector for air supply of a drying tank, the friction convex ring is inclined from the root to the top, and the inclination direction of the friction convex ring is toward the annular edge seal. The inclined friction convex ring can make the threaded pipe connector smoothly inserted into the pipe mouth, and when moving in the direction of disengagement, barbs are formed, making it difficult to disengage.
[0014] Preferably, in the above-mentioned threaded pipe connector for air supply of a drying tank, the edge of the outer tube away from the annular edge seal has an arc plate extending in the axial direction, and the inner side wall of the arc plate is fixed with a rubber friction layer. The outer tube also forms a friction restriction by the cooperation of the arc plate and the rubber friction layer, further preventing the threaded pipe from falling off.
[0015] Preferably, in the above-mentioned threaded pipe connector for air supply of a drying tank, the number of the arc-shaped plates is two, and they are symmetrically arranged on both sides of the axis of the outer cylinder.
[0016] Preferably, in the above-mentioned threaded pipe connector for air supply of the drying tank, an arc-shaped plate is hingedly connected to one end of the arc-shaped plate away from the outer tube, and a semicircular clamp is fixed to one end of the arc-shaped plate away from the arc-shaped plate. The semicircular clamp can be clamped tightly on the outside of the threaded pipe to further improve stability.
[0017] Preferably, in the above-mentioned threaded pipe connector for air supply of a drying tank, when the arc-shaped connecting plate is bent and fitted in the direction of the arc-shaped plate, the two semicircular clamps can be fitted on the outside of the outer tube, which is easy to operate and improves the structural strength of the connection.
[0018] Preferably, in the above-mentioned threaded pipe connector for air supply of the drying tank, the ends of the two semicircular clamps are clamped and fixed. The clamping and fixing form reduces the complexity of the structure and facilitates the connection.
[0019] Preferably, in the above-mentioned threaded pipe connector for air supply of a drying tank, the end of one of the semicircular clamps has a clamping hole, and the end of the other semicircular clamp has a buckle. The docking of the clamping hole and the buckle can realize quick installation.
[0020] The utility model also provides a connection structure of a threaded pipe connector for air supply in a drying trough, comprising an air supply pipe opening and a threaded pipe; the air supply pipe opening is inserted into the annular plug-in gap, and the friction convex ring is pressed tightly against the inner wall of the air supply pipe opening; the threaded pipe is sleeved on the outside of the outer tube, and the threaded protrusion of the threaded pipe cooperates with the limiting convex ring for positioning.
[0021] Through the above technical scheme, the connection structure provided by the utility model can quickly realize the connection between the air supply pipe outlet and the threaded pipe by relying on the threaded pipe connector, and the structure is stable and reliable after the connection, which can reduce the falling off caused by the influence of wind factors and has a more stable use effect.
[0022] It can be seen from the above technical solution that, compared with the prior art, the utility model discloses a threaded pipe connector for air supply of a drying trough and a connection structure thereof, which has the following beneficial effects:
[0023] 1. The threaded pipe connector provided by the utility model utilizes the inner tube and the outer tube to cooperate to form an annular plug-in gap. Through the plug-in of the annular plug-in gap and the pipe mouth, the pipe mouth is frictionally restricted by the friction convex ring and is not easy to fall out. Then, the threaded protrusion of the threaded pipe is cooperated with the limiting convex ring to prevent the threaded pipe from falling off. The connection is simple, stable and reliable.
[0024] 2. The utility model tilts the friction convex ring so that the threaded pipe connector can be smoothly inserted into the pipe opening, and forms barbs when moving in the disengagement direction, making it difficult to disengage.
[0025] 3. The utility model is provided with a semicircular clamp, which can be clamped tightly on the outside of the threaded pipe, is easy to operate, and improves the structural strength of the connection.
[0026] 4. The connection structure provided by the utility model can quickly realize the connection between the air supply pipe outlet and the threaded pipe by relying on the threaded pipe connector, and the structure is stable and reliable after the connection, which can reduce the falling off caused by the influence of wind factors and has a more stable use effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.
[0028] Figure 1 The accompanying drawing is a schematic structural diagram of a threaded pipe connector according to Example 1 of the present utility model;
[0029] Figure 2The accompanying drawing is a cross-sectional view of a threaded pipe connector according to Example 1 of the present utility model;
[0030] Figure 3 The accompanying drawing is a schematic structural diagram of a threaded pipe connector according to Embodiment 2 of the present invention;
[0031] Figure 4 The accompanying drawing is a schematic structural diagram of the connection structure of Example 2 provided by the utility model;
[0032] Figure 5 The accompanying drawing is a cross-sectional view of the connection structure of Example 2 provided by the utility model.
[0033] in:
[0034] 1-Inner cylinder;
[0035] 11-friction convex ring;
[0036] 2-Outer cylinder;
[0037] 21-limiting convex ring; 22-arc plate; 221-rubber friction layer; 23-arc connecting plate; 24-semicircular clamp; 241-clamp hole; 242-clamp;
[0038] 3- Annular edge sealing;
[0039] 4-annular plug-in gap;
[0040] 5-Air supply pipe opening;
[0041] 6-Threaded pipe. DETAILED DESCRIPTION
[0042] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0043] Embodiment 1:
[0044] See attached Figure 1 and attached Figure 2 The utility model discloses a threaded pipe connector for air supply of a drying tank, comprising:
[0045] An inner cylinder 1, the outer wall of which has a plurality of friction convex rings 11;
[0046] The outer cylinder 2 is coaxially arranged on the outside of the inner cylinder 1, and the edge of one end of the outer cylinder 2 is aligned with the edge of one end of the inner cylinder 1, and the aligned edges of the outer cylinder 2 and the inner cylinder 1 are connected by an annular sealing edge 3, so that the outer cylinder 2 and the inner cylinder 1 form an integrated structure, and an annular plug-in gap 4 is formed between the inner wall of the outer cylinder 2 and the outer wall of the inner cylinder 1, and the outer wall of the outer cylinder 2 has a plurality of limiting convex rings 21.
[0047] In order to further optimize the above technical solution, the friction convex ring 11 is made of hard rubber material.
[0048] In order to further optimize the above technical solution, the friction convex ring 11 is inclined from the root to the top, and the inclination direction of the friction convex ring 11 is toward the annular sealing edge 3.
[0049] In order to further optimize the above technical solution, the outer cylinder 2 has an arc plate 22 extending in the axial direction at one end edge away from the annular sealing edge 3 , and a rubber friction layer 221 is fixed to the inner side wall of the arc plate 22 .
[0050] In order to further optimize the above technical solution, there are two arc-shaped plates 22 , which are symmetrically arranged on both sides of the axis of the outer cylinder 2 .
[0051] When the threaded pipe connector for air supply of the drying trough provided in this embodiment is connected to the air supply pipe opening 5 and the threaded pipe 6, the air supply pipe opening 5 is inserted into the annular plug-in gap 4, and the friction convex ring 11 is pressed tightly against the inner wall of the air supply pipe opening 5; the threaded pipe 6 is sleeved on the outside of the outer tube 2, and the threaded protrusion of the threaded pipe 6 cooperates with the limiting convex ring 21 for positioning.
[0052] Embodiment 2:
[0053] See attached Figure 3 To Attachment Figure 5 This embodiment is further improved on the basis of embodiment 1:
[0054] An arc-shaped connecting plate 23 is hingedly connected to one end of the arc-shaped plate 22 away from the outer tube 2 , and a semicircular clamp 24 is fixed to one end of the arc-shaped connecting plate 23 away from the arc-shaped plate 22 .
[0055] In order to further optimize the above technical solution, when the arc-shaped connecting plate 23 is bent and fitted toward the arc-shaped plate 22 , the two semicircular clamps 24 can be aligned with the outside of the outer tube 2 .
[0056] In order to further optimize the above technical solution, the ends of the two semicircular clamps 24 are clamped and fixed.
[0057] In order to further optimize the above technical solution, the end of one semicircular clamp 24 has a clamping hole 241, and the end of the other semicircular clamp 24 has a buckle 242.
[0058] When the embodiment is connected with the air supply pipe nozzle 5 and the threaded pipe 6, a tightening action is added to complete the tightening, so that the friction resistance between the friction convex ring 11 and the rubber friction layer 221 can be greater to prevent it from coming out. Figure 4 and Figure 5 shown.
[0059] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.
[0060] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A threaded pipe connector for air supply of a drying tank, characterized in that: include: An inner cylinder (1), wherein the outer wall of the inner cylinder (1) has a plurality of friction convex rings (11); An outer cylinder (2), the outer cylinder (2) being coaxially arranged on the outside of the inner cylinder (1), one end edge of the outer cylinder (2) being aligned with one end edge of the inner cylinder (1), and the aligned edges of the outer cylinder (2) and the inner cylinder (1) being connected by an annular sealing edge (3), so that the outer cylinder (2) and the inner cylinder (1) form an integral structure, an annular insertion gap (4) is formed between the inner wall of the outer cylinder (2) and the outer wall of the inner cylinder (1), and the outer side wall of the outer cylinder (2) has a plurality of limiting convex rings (21).
2. A threaded pipe connector for air supply of a drying tank according to claim 1, characterized in that: The friction convex ring (11) is made of hard rubber material.
3. A threaded pipe connector for air supply of a drying tank according to claim 2, characterized in that: The friction convex ring (11) is inclined from the root to the top, and the inclination direction of the friction convex ring (11) is toward the annular sealing edge (3).
4. A threaded pipe connector for air supply of a drying tank according to claim 1, characterized in that: An edge of one end of the outer cylinder (2) away from the annular sealing edge (3) has an arc-shaped plate (22) extending in the axial direction, and a rubber friction layer (221) is fixed to the inner side wall of the arc-shaped plate (22).
5. A threaded pipe connector for air supply of a drying tank according to claim 4, characterized in that: The number of the arc-shaped plates (22) is two, and they are symmetrically arranged on both sides of the axis of the outer cylinder (2).
6. A threaded pipe connector for air supply of a drying tank according to claim 5, characterized in that: An arc-shaped connecting plate (23) is hingedly connected to one end of the arc-shaped plate (22) away from the outer cylinder (2), and a semicircular clamp (24) is fixed to one end of the arc-shaped connecting plate (23) away from the arc-shaped plate (22).
7. A threaded pipe connector for air supply of a drying tank according to claim 6, characterized in that: When the arc-shaped connecting plate (23) is bent and fitted in the direction of the arc-shaped plate (22), the two semicircular clamps (24) can be fitted on the outside of the outer cylinder (2).
8. A threaded pipe connector for air supply of a drying tank according to claim 7, characterized in that: The ends of the two semicircular clamps (24) are clamped and fixed.
9. A threaded pipe connector for air supply of a drying tank according to claim 8, characterized in that: The end of one of the semicircular hoop (24) has a clamping hole (241), and the end of the other semicircular hoop (24) has a buckle (242).
10. A connection structure of a threaded pipe connector for air supply of a drying tank using any one of claims 1 to 9, characterized in that: It comprises an air supply pipe opening (5) and a threaded pipe (6); the air supply pipe opening (5) is inserted into the annular plug-in gap (4), and the friction convex ring (11) is pressed against the inner wall of the air supply pipe opening (5); the threaded pipe (6) is sleeved on the outside of the outer tube (2), and the threaded protrusion of the threaded pipe (6) cooperates with the limiting convex ring (21) to be positioned.