Device for quickly and randomly connecting air pipes
The design of the limiting sleeve and limiting plate solves the problem of cumbersome duct connection and disassembly, realizes quick connection and disassembly of ducts, improves connection efficiency and flexibility, and reduces maintenance difficulty and downtime.
Patent Information
- Application Number
- CN202520279401.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-21
AI Technical Summary
Existing duct connection methods suffer from problems such as cumbersome bolt installation and removal, time-consuming and labor-intensive operation, and lack of flexibility.
The design employs a limiting sleeve, a limiting plate, and a limiting mechanism. By inserting the limiting plate into the through-hole and using the limiting rod to engage with the limiting hole, the air duct can be quickly connected and disassembled, eliminating the need for bolts.
It enables rapid connection and disassembly of ductwork, improves connection efficiency, meets the flexibility requirements of modern ventilation systems, reduces the difficulty of maintenance and repair, and shortens system downtime.
Smart Images

Figure CN223754897U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of air pipe connection, in particular to a quick and arbitrary link air pipe device. BACKGROUND
[0002] In many systems such as ventilation, air conditioning, industrial waste gas treatment, air pipe is a key component to realize air transmission. With the continuous development of related industries, the requirements for the installation, maintenance convenience and flexibility of the air pipe system are increasing.
[0003] At present, the connection between the air pipes mostly adopts multiple bolts. This connection mode exposes many drawbacks in actual application. In the installation process, multiple bolts need to be tightened one by one. Since the number of bolts is large and the operation space may be narrow, the tightening operation is extremely inconvenient, which consumes a lot of time and manpower. When maintaining and overhauling, disassembling the bolts is also a tedious task. When the air pipe needs to be cleaned, parts need to be replaced or faults need to be checked, all the bolts need to be loosened and disassembled, which not only increases the maintenance cost, but also prolongs the downtime of the system.
[0004] For the above related technologies, the inventors believe that the existing air pipe connection mode has the defects of complicated bolt disassembly and assembly, time-consuming and laborious, and insufficient flexibility. Therefore, a quick and arbitrary link air pipe device is proposed to solve the above problems. CONTENT OF THE INVENTION
[0005] In order to solve the problem that the existing air pipe connection mode has the defects of complicated bolt disassembly and assembly, time-consuming and laborious, and insufficient flexibility, the present application provides a quick and arbitrary link air pipe device.
[0006] The quick and arbitrary link air pipe device provided by the present application adopts the following technical scheme:
[0007] A quick and arbitrary link air pipe device, comprising an air pipe body, a connecting plate is fixedly installed on both side edges of the air pipe body, a sealing gasket is fused at the opening of one side of the connecting plate, a limiting sleeve is clamped between the air pipe bodies close to the outer surfaces of the connecting plates at four corners, a through installation hole is symmetrically and through provided in one side of the limiting sleeve penetrating through the connecting plate, a limiting plate is inserted and installed in the through installation hole, limiting holes are through provided in both side edges of the limiting plate, a fixed frame is fixedly installed on the outer surface of the connecting plate close to the opening of the limiting hole, an inner groove is provided at the position corresponding to the limiting hole on one side of the fixed frame, and a limiting mechanism is further provided in the inner groove for fixing the limiting plate in the through installation hole.
[0008] Preferably, the limiting mechanism comprises a spring, the spring is arranged at one end of the inner wall of the inner groove, and the spring extends to the outside of the inner groove to movably install a limiting rod.
[0009] Preferably, a guide sliding groove is arranged in the middle of one side of the inner wall of the inner groove, and the end edge of the limiting rod extends to the outside of the fixed frame and is fixedly connected with a connecting knob through the guide sliding groove.
[0010] Preferably, the two side edges of the limiting clamping plate extend to the outside of the limiting sleeve through the connecting plate, and the through mounting hole and the limiting clamping plate are embedded with each other.
[0011] Preferably, the outer diameter of the limiting rod is smaller than the inner diameter of the limiting hole, the end edge of the limiting rod is located in the inside of the limiting hole, and the limiting hole and the limiting rod are clamped with each other.
[0012] To sum up, the application has the following beneficial technical effects:
[0013] 1. Through the cooperation of the limiting sleeve, the limiting clamping plate and the limiting mechanism, the bolt is not needed, the limiting clamping plate is only inserted into the through mounting hole, and the limiting rod is only clamped into the limiting hole, so that the quick connection of the air pipe is realized, the connection efficiency is greatly improved, the air pipe body can be connected at will, the air pipe layout can be quickly adjusted in different occasions, and the requirement of flexibility of the modern ventilation system is met.
[0014] 2. When disassembled, the limiting rod is only separated from the limiting hole by pulling the connecting knob, so that the limiting clamping plate can be easily taken out, the air pipe body is quickly disassembled, the difficulty of maintenance and repair is reduced, and the system downtime is shortened. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 is a schematic diagram of the overall structure of the application embodiment;
[0016] Fig. 2 is a schematic diagram of the structure of the limiting sleeve in the application embodiment;
[0017] Fig. 3 is a schematic diagram of the cross-sectional structure of the fixed frame in the application embodiment;
[0018] Mark 1, air pipe body; 2, connecting plate; 3, sealing washer; 4, limiting sleeve; 5, through mounting hole; 6, limiting clamping plate; 7, limiting hole; 8, fixed frame; 9, inner groove; 10, spring; 11, limiting rod; 12, guide sliding groove; 13, connecting knob. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings Figs. 1-3 The application will be further described in detail.
[0020] The application embodiment discloses a quick and arbitrary link air pipe device. Referring to Figs. 1-3The utility model provides a kind of fast arbitrary link air pipe device, including air pipe body 1, both sides edge of air pipe body 1 is fixedly installed with connecting plate 2, and connecting plate 2 one side opening is fused with sealing washer 3, and two air pipe body 1 are close to the outer surface four corners of connecting plate 2 It is clamped with limit sleeve 4, and limit sleeve 4 one side is symmetrically penetrated through connecting plate 2 and is provided with through mounting hole 5, and limit sleeve 4 is inserted and installed with limit card 6 in through mounting hole 5, and the both sides edge of limit card 6 is extended to the outside of limit sleeve 4 by penetrating through connecting plate 2, and through mounting hole 5 and limit card 6 are mutually embedded, and the both sides edge of limit card 6 is provided with limit hole 7, and the outer surface of connecting plate 2 is fixedly installed with fixed frame 8 near the opening of limit hole 7, and the inner groove 9 of fixed frame 8 one side is provided with limit mechanism in the corresponding position of limit hole 7, for fixing limit card 6 in through mounting hole 5.
[0021] When air pipe is connected, two air pipe body 1 are aligned, and limit sleeve 4 is clamped in the four corners of the outer surface of two connecting plates 2.
[0022] Referring to Fig. 2 And Fig. 3 Limit mechanism includes spring 10, and spring 10 is arranged at one end of the inner wall of inner groove 9, and spring 10 one end extends to the outside of inner groove 9 and is movably installed with limit rod 11, and the inner wall of inner groove 9 is provided with guide sliding slot 12 on one side of the middle part, and limit rod 11 one end edge extends to the outside of fixed frame 8 by penetrating through guide sliding slot 12 and is fixedly connected with connecting knob 13, and the outer diameter of limit rod 11 is less than the inner diameter of limit hole 7, and the one end edge of limit rod 11 is located in the inside of limit hole 7, and limit hole 7 and limit rod 11 are mutually clamped.
[0023] By pulling connecting knob 13, connecting knob 13 drives limit rod 11 to overcome the elastic force of spring 10, so that limit rod 11 moves along inner groove 9, limit rod 11 is inserted or taken out from limit hole 7, so as to limit and control limit card 6 by limit rod 11, which reflects the active adjustment effect of connecting knob 13 on limit rod 11.
[0024] The implementation principle of the fast arbitrary link air pipe device of the embodiment of the application is as follows: when air pipe is connected, two air pipe body 1 are aligned, and limit sleeve 4 is clamped in the four corners of the outer surface of two connecting plates 2. Then limit card 6 is inserted into through mounting hole 5, and limit hole 7 is aligned with inner groove 9 on fixed frame 8 at this time. Due to the action of spring 10, limit rod 11 will be automatically inserted into limit hole 7, and limit card 6 is fixed in through mounting hole 5, so as to realize the quick connection of two air pipe body 1.
[0025] When disassembling the air duct, the connecting knob 13 is pulled, the connecting knob 13 drives the limiting rod 11 to overcome the elastic force of the spring 10, the limiting rod 11 is separated from the limiting hole 7, at this time, the limiting clamping plate 6 can be easily taken out, the two air duct bodies 1 are separated, and the disassembling operation is completed. The whole process does not need to use bolts, is simple and convenient to operate, improves the efficiency of air duct connection and disassembly, and guarantees good sealing performance and flexibility.
[0026] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;
[0027] Secondly: the utility model discloses the embodiment of the drawings, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;
[0028] Finally: the above only for the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.
[0029] The above are the preferred embodiments of the present application, and are not used to limit the protection scope of the present application, so: any equivalent change made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.
Claims
1. A quick arbitrary link air pipe device, comprising an air pipe body (1), both sides of which are fixedly installed with a connecting plate (2), and a sealing washer (3) is welded at the opening of one side of the connecting plate (2), characterized in that: Two said air pipe body (1) between the outer surface of the connecting plate (2) four corners near the place are clamped with a limit sleeve (4), the limit sleeve (4) one side through the connecting plate (2) symmetrically through the through installation hole (5) is provided with, the through installation hole (5) inside plug-in installation limit card plate (6), the limit card plate (6) both sides edge through the limit hole (7) is provided with, the connecting plate (2) outer surface near the limit hole (7) opening place fixedly installed with fixed frame (8), the fixed frame (8) one side with limit hole (7) corresponding position place through the inner groove (9) is provided with, the inner groove (9) inside still is equipped with limit mechanism, for the limit card plate (6) is fixed in the through installation hole (5) inside.
2. A rapid, arbitrary linkable ducting apparatus according to claim 1, wherein: The limit mechanism comprises a spring (10), the spring (10) is arranged in the inner groove (9) inner wall one end edge, and the spring (10) one end extends to the outer portion of the inner groove (9) and is movably installed with a limit rod (11).
3. A rapid, arbitrary link hose apparatus according to claim 2, wherein: The inner groove (9) inner wall one side middle part through the guide chute (12) is provided with, the limit rod (11) one end edge passes through the guide chute (12) and extends to the outer portion of the fixed frame (8) and is fixedly connected with a connecting block (13).
4. A rapid, arbitrary linkable ducting apparatus according to claim 1, wherein: The limit card plate (6) both sides edge passes through the connecting plate (2) and extends to the outer portion of the limit sleeve (4), the through installation hole (5) and the limit card plate (6) are mutually embedded.
5. A rapid, arbitrary linkable ducting apparatus according to claim 2, wherein: The outer diameter of the limit rod (11) is less than the inner diameter of the limit hole (7), and the limit rod (11) one end edge is located in the limit hole (7) inside, and the limit hole (7) and the limit rod (11) are mutually clamped.