Heat supply and ventilation pipeline convenient to maintain
By using threaded connections and sliding positioning block structures for ventilation ducts, rapid connection and disassembly of heating and ventilation ducts are achieved, facilitating localized maintenance, reducing noise, and solving the problems of complex connections and high maintenance costs in existing technologies.
Patent Information
- Application Number
- CN202520186819.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-06
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-02-06
AI Technical Summary
The existing heating and ventilation ducts have a complex connection structure, which makes maintenance inconvenient and requires complete replacement when there is partial damage, increasing costs.
The ventilation duct body is connected to the telescopic flexible hose. Quick connection and disassembly are achieved through threaded connection, plug sliding positioning block and spring structure. The T-shaped structure of the plug and the fixing plate ensures stable connection. The sound-absorbing cotton pad inside reduces noise.
The simplified connection structure facilitates partial replacement, reduces maintenance costs, and reduces noise through sound-absorbing cotton pads to meet different installation needs.
Smart Images

Figure CN223954346U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a ventilation pipeline technical field, concretely is a heat supply ventilation pipeline convenient to maintain. BACKGROUND
[0002] As the core component of the ventilation system, the ventilation pipeline is mainly responsible for the introduction of indoor fresh air and the discharge of old air, thereby ensuring that the heating, refrigeration and ventilation functions of the air conditioning system can be realized, and is widely used in various places.
[0003] The application number 202420661717.X discloses a kind of air conditioner heat supply ventilation pipeline convenient to maintain, by the cooperation between each part of connecting mechanism, main pipeline can be separated from connecting pipe, so that in subsequent use, just need to be able to quickly complete the disassembly of pipeline between hands, avoid time-consuming and labor-consuming with screw etc., and then pipeline will be more convenient when subsequent maintenance.
[0004] The connecting mechanism of the above application needs to be connected with pipe, plug-in pipe, pull rod, matching card plate, connecting spring, plug-in card rod and other structures, which are connected with main pipeline and connecting pipe, and the structure is relatively complex, which increases the cost of pipeline and needs to replace the whole pipeline when local damage occurs. UTILITY MODEL CONTENT
[0005] In view of the deficiencies of the prior art, the utility model provides a heat supply ventilation pipeline convenient to maintain, which solves the problems raised in the above background art.
[0006] To achieve the above purpose, the utility model is implemented by the following technical scheme: a heat supply ventilation pipeline convenient to maintain, comprising a ventilation pipe body and a flexible hose, the two ends of the ventilation pipe body are both threadedly connected with a first fixing disc, the two ends of the flexible hose are both installed with a second fixing disc, the two sides of the second fixing disc are both provided with a first jack, the two sides of the first fixing disc are both provided with a second jack, the first jack and the second jack are in position alignment, a plug is inserted into the first jack and the second jack, the structure of the plug is T-shaped, a sliding groove is formed in the plug, a positioning block is slidably connected in the sliding groove, a telescopic spring is installed in the sliding groove, one end of the telescopic spring is connected with the positioning block, one end of the positioning block is beveled, and the distance between the positioning block and one end of the plug is the same as the sum of the thicknesses of the first fixing disc and the second fixing disc.
[0007] Preferably, the outer side of the two ends of the ventilation pipe body and the inner side of the first fixing disc are respectively provided with threads that cooperate with each other.
[0008] Preferably, sound-absorbing cotton pads are installed in the ventilation pipe body.
[0009] Preferably, the sound-absorbing cotton pad is made of high-density fiber material such as glass fiber, mineral wool, polyester fiber, etc.
[0010] Preferably, the material of the telescopic hose is PVC.
[0011] Preferably, the outer wall of the plug respectively matches the first and second insertion holes.
[0012] The utility model provides a heat supply ventilation pipeline convenient to maintain has the following beneficial effects:
[0013] 1、 this convenient to maintain's heat supply ventilation pipeline, through ventilation pipe one end threaded connection's first fixed disc and telescopic hose both ends's second fixed disc, under the action of plug in sliding type positioning block and spring deformation, make the plug can pass through first fixed disc and second fixed disc to it is fixed, it is convenient to connect different ventilation pipe, simplify the connecting structure, and pipeline and fixed disc and plug are all detachable structure, the damaged local part is replaced alone conveniently, reduce cost.
[0014] 2、 this convenient to maintain's heat supply ventilation pipeline, through the sound-absorbing cotton pad installed in ventilation pipe, can play the role of buffering and absorbing vibration, reduce the transmission of vibration to the surrounding environment, and then reduce the noise generated by airflow through the pipeline, and telescopic hose can be folded, and different ventilation pipes are connected, the angle between the ventilation pipes is adjusted, and different installation requirements are met. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the structure schematic diagram of the utility model;
[0016] Figure 2 It is the front view of the utility model;
[0017] Figure 3 It is the utility model Figure 2 The enlarged view of A in the utility model;
[0018] Figure 4 It is the side view of the utility model.
[0019] In the drawing: 1, ventilation pipe body;2, telescopic hose;3, first fixed disc;4, second fixed disc;5, first insertion hole;6, second insertion hole;7, plug;8, sliding groove;9, positioning block;10, telescopic spring;11, sound-absorbing cotton pad. DETAILED DESCRIPTION
[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0021] Please refer to Figures 1 to 4 The utility model provides a kind of technical scheme: a kind of heat supply ventilation pipeline convenient to maintain, including ventilation pipe body 1 and flexible hose 2, the material of flexible hose 2 is PVC, with good corrosion resistance, flame resistance and insulation, and easy to process and install, ventilation pipe body 1 corresponding two ends are all screw thread connection with first fixed disc 3, the outside of ventilation pipe body 1 two ends and the inside of first fixed disc 3 are respectively provided with mutually matched thread, the structure of screw thread connection, it is convenient to fix and disassemble of ventilation pipe body 1 and first fixed disc 3, ventilation pipe body 1 or first fixed disc 3 is replaced separately, flexible hose 2 corresponding two ends are all installed with second fixed disc 4, second fixed disc 4 corresponding two sides are all set with first jack 5, first fixed disc 3 corresponding two sides are all set with second jack 6, first jack 5 and second jack 6 position alignment, first jack 5 and second jack 6 are inserted with plug 7 in its inside, the structure of plug 7 is T-shaped, plug 7 is set with sliding slot 8 in its inside, sliding slot 8 is slidably connected with locating block 9 in its inside, sliding slot 8 is installed with telescopic spring 10, one end of telescopic spring 10 is connected with locating block 9, one end of locating block 9 is inclined surface, the interval of one end of locating block 9 and plug 7 is same with the sum of the thickness of first fixed disc 3 and second fixed disc 4, under the action of one end inclined surface of locating block 9 and telescopic spring 10 deformation, when plug 7 passes through first jack 5 and second jack 6, the inclined surface of locating block 9 is extruded and automatically moves down, and is reset by telescopic spring 10, so that one end of locating block 9 and plug 7 clamps and fixes first fixed disc 3 and second fixed disc 4, it is convenient that flexible hose 2 is connected to different ventilation pipe body 1, the outer wall of plug 7 is respectively attached with first jack 5 and second jack 6, avoid the gap between plug 7 and first jack 5 and second jack 6, leading to that the fixation of locating block 9 and plug 7 to first fixed disc 3 and second fixed disc 4 is unstable, ventilation pipe body 1 is installed with sound-absorbing cotton pad 11 in its inside, sound-absorbing cotton pad 11 is made of high-density fiber material such as glass fiber, mineral wool, polyester fiber etc., with the characteristics of light weight, high-efficiency sound-absorbing, be favorable to absorb vortex and friction that air flow will produce when passing through pipeline, thereby the high-frequency vibration and noise generated.
[0022] In summary, the heat supply and ventilation pipeline convenient to maintain is used, the first fixing disc 3 is sleeved on the outer wall of one end of the ventilation pipeline body 1, the second fixing disc 4 at two ends of the flexible hose 2 is respectively attached to the first fixing disc 3 at one end of the ventilation pipeline body 1 to be connected, the first insertion hole 5 in the second fixing disc 4 is aligned with the second insertion hole 6 in the first fixing disc 3, then the insertion bolt 7 is inserted through the adjacent first insertion hole 5 and second insertion hole 6, the inclined surface of the positioning block 9 sliding in the sliding groove 8 in the insertion bolt 7 is extruded by the first insertion hole 5 and the second insertion hole 6, and then the positioning block 9 is automatically moved downward, after the positioning block 9 passes through the second insertion hole 6, the extension spring 10 pushes the positioning block 9 to reset, so that the positioning block 9 is attached to the first fixing disc 3, and the T-shaped structure of the insertion bolt 7 is matched, so that the positioning block 9 and the protrusion at one end of the insertion bolt 7 clamp the first fixing disc 3 and the second fixing disc 4, the insertion bolt 7 is inserted through the other second insertion hole 6 and the first insertion hole 5 in the first fixing disc 3 and the second fixing disc 4, and then secondary fixing is performed, the flexible hose 2 is used to connect different ventilation pipeline bodies 1, the airflow is circulated, the sound-absorbing cotton pad 11 in the ventilation pipeline body 1 reduces noise, and the positioning block 9 is pressed into the sliding groove 8 in the insertion bolt 7, the positioning of the positioning block 9 to the first fixing disc 3 is released, then the insertion bolt 7 can be pulled out of the second insertion hole 6 and the first insertion hole 5 in the first fixing disc 3 and the second fixing disc 4, the first fixing disc 3 and the second fixing disc 4 are separated, the first fixing disc 3 is reversely rotated, the first fixing disc 3 and the ventilation pipeline body 1 are disassembled, and the damaged parts are removed.
[0023] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A heating and ventilating duct for easy maintenance, comprising a ventilating duct body (1) and a flexible hose (2), characterized in that: Both ends of the ventilation pipe body (1) are threadedly connected with first fixing discs (3), both ends of the flexible hose (2) are provided with second fixing discs (4), both sides of the second fixing disc (4) are provided with first insertion holes (5), both sides of the first fixing disc (3) are provided with second insertion holes (6), the first insertion hole (5) and the second insertion hole (6) are in position alignment, the first insertion hole (5) and the second insertion hole (6) are internally inserted with insertion plugs (7), the structure of the insertion plug (7) is T-shaped, the insertion plug (7) is internally provided with a sliding groove (8), the sliding groove (8) is internally slidably connected with a positioning block (9), the sliding groove (8) is internally provided with an extension spring (10), one end of the extension spring (10) is connected with the positioning block (9), one end of the positioning block (9) is a bevel, the spacing between the positioning block (9) and one end of the insertion plug (7) is the same as the sum of the thicknesses of the first fixing disc (3) and the second fixing disc (4).
2. A heating and ventilating duct facilitating maintenance according to claim 1, characterized in that: The outer sides of both ends of the ventilation pipe body (1) and the inner sides of the first fixing discs (3) are respectively provided with threads matched with each other.
3. A maintenance-friendly heating and ventilating duct according to claim 1, characterized in that: The ventilation pipe body (1) is internally provided with sound-absorbing cotton pads (11).
4. A heating and ventilating duct for facilitating maintenance according to claim 3, wherein: The sound-absorbing cotton pads (11) are made of high-density fiber materials such as glass fiber, mineral wool and polyester fiber.
5. A maintenance-friendly heating and ventilating duct according to claim 1, characterized in that: The material of the flexible hose (2) is PVC.
6. A maintenance-friendly heating and ventilating duct according to claim 1, characterized in that: The outer wall of the insertion plug (7) is attached to the first insertion hole (5) and the second insertion hole (6) respectively.
Citation Information
Patent Citations
Air conditioner heat supply ventilation pipeline convenient to maintain
CN222012257U