Heating ventilation air conditioner pipeline structure
Through the combined structure of the upper tube, lower tube and inner L plate, combined with the sliding groove, slider and nut connection, the problems of complex installation and lack of insulation in traditional HVAC pipes are solved, and the rapid installation and insulation function is achieved.
Patent Information
- Application Number
- CN202422011888.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-20
- Publication Date
- 2025-08-29
- Estimated Expiration
- 2034-08-20
AI Technical Summary
The traditional HVAC pipeline structure is complex to install and difficult to maintain, cannot be disassembled and cleaned, and lacks thermal insulation capacity.
It adopts a combined structure of upper tube shell, lower tube shell, inner L plate and insulation cotton, and is connected by sliding grooves, sliders and nuts, combining booms and fastening screws to achieve rapid installation and insulation functions.
It realizes the rapid installation, convenient maintenance and insulation of HVAC pipes, and improves the efficiency and convenience of the system.
Smart Images

Figure CN223283213U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of air-conditioning pipes, in particular to a HVAC pipe structure. Background Art
[0002] HVAC systems are widely used in the building industry, and their piping structure significantly impacts system performance. Traditional HVAC piping structures present complex installation and difficult maintenance challenges, necessitating continuous improvements to enhance system efficiency and convenience.
[0003] Patent publication number CN 219933275 U discloses a HVAC duct structure, which relates to the technical field of HVAC ducts. The invention improves the problem that when a spring is compressed for a long time, its elastic force will weaken or even disappear. After being compressed for a certain period of time, the spring elastic force cannot drive the damping telescopic rod to extend and retract, which will cause the clamping block to be unable to be clamped into the inside of the clamping slot, resulting in a loose connection of the duct and easy shaking. The invention includes a mounting shell, one side of the mounting shell is connected to a first connecting pipe, and the side of the mounting shell away from the first connecting pipe is connected to a second connecting pipe. The utility model clamps the first connecting pipe and the second connecting pipe, inserts the plug-in pipe into the interior of the second connecting pipe, thereby making the first connecting block contact with the second connecting block, and reinforces them with bolts, which can greatly improve the stability of the installation of the first connecting pipe and the second connecting pipe, and can ensure the sealing effect while ensuring the connection strength.
[0004] The above device has the problems of complex installation, inability to disassemble the pipes, inconvenience in maintenance and cleaning, and single-layer pipe arrangement without heat insulation capability, which makes the HVAC pipe structure inconvenient to use.
[0005] Currently, no effective solutions have been proposed for the problems in related technologies. Utility Model Content
[0006] In response to the problems in the related technology, the present invention proposes a HVAC duct structure to overcome the above technical problems existing in the existing related technology.
[0007] To this end, the specific technical solutions adopted in this utility model are as follows:
[0008] A HVAC duct structure includes an upper tube shell and a lower tube shell, a first slide groove is provided on the inner side of the left end of the upper tube shell, a first slide bar is fixedly connected to the bottom end of the upper tube shell, a second slide bar is fixedly connected to the top end of the lower tube shell, a second slide groove is provided on the inner side of the right end of the lower tube shell, an inner L-plate is provided on the inner sides of the upper tube shell and the lower tube shell, thermal insulation cotton is installed between the upper tube shell, the lower tube shell and the inner L-plate, and nuts are installed on the inner sides of the upper tube shell, the lower tube shell and the inner L-plate.
[0009] As a further solution of the present invention, the front and rear ends of the upper tube shell and the lower tube shell are fixedly connected with connecting pieces, and the inner sides of the connecting pieces are provided with connecting holes.
[0010] As a further solution of the present invention, the second slide bar is slidably connected to the first slide groove.
[0011] As a further solution of the present invention, the first slide bar is slidably connected to the second slide groove.
[0012] As a further solution of the present invention, the upper tube shell and the lower tube shell are both L-shaped, and the length of the upper tube shell is equal to the length of the lower tube shell.
[0013] As a further solution of the present invention, a first through hole is provided on the inner side of the inner L-plate, and a second through hole is provided on the inner sides of both the upper tube shell and the lower tube shell.
[0014] As a further solution of the present invention, the inner side of the nut at the upper end is spirally connected to a suspension rod, and the inner sides of the nuts at the left, right and lower ends are spirally connected to fastening screws.
[0015] The beneficial effects of the utility model are:
[0016] The utility model is provided with an upper tube shell, a lower tube shell, a first slide groove, a second slide groove, a first slide bar, a second slide bar, thermal insulation cotton, an inner L-plate, etc., and the thermal insulation cotton is clamped and fixed to the upper tube shell and the lower tube shell respectively through the inner L-plate, and after inserting the nut, it is fixed with a fastening screw, and then the assembly of the upper tube shell is completed with a hanger to the building ceiling, and then the assembly of the lower tube shell is taken out, and the second slide bar of the lower tube shell is inserted into the first slide groove in the upper tube shell to complete the quick assembly, and the connecting piece allows the HVAC pipe to extend freely. This set of devices is simple to install and has the ability of thermal insulation. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0018] Figure 1 This is a schematic diagram of the overall structure of a HVAC duct structure according to an embodiment of the present utility model;
[0019] Figure 2 This is a schematic diagram of the overall structure of an upper tube shell of a HVAC pipe structure according to an embodiment of the present utility model;
[0020] Figure 3 This is a schematic diagram of the overall structure of a lower tube shell of a HVAC duct structure according to an embodiment of the present utility model;
[0021] Figure 4 This is a schematic diagram of the installation structure of the lower tube shell, thermal insulation cotton, and inner L-plate of a HVAC duct structure according to an embodiment of the present utility model;
[0022] Figure 5 This is a schematic diagram of the overall structure of an inner L-plate of a HVAC duct structure according to an embodiment of the present utility model;
[0023] Figure 6 It is a schematic diagram of the overall structure of a nut of a HVAC pipe structure according to an embodiment of the utility model.
[0024] In the picture:
[0025] 1. Upper tube shell; 2. Lower tube shell; 3. Connector; 4. First slide groove; 5. First slide bar; 6. Second slide bar; 7. Second slide groove; 8. Connecting hole; 9. Insulation cotton; 10. Inner L-plate; 11. First through hole; 12. Second through hole; 13. Nut; 14. Hanger; 15. Fastening screw. DETAILED DESCRIPTION
[0026] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. By referring to these contents, ordinary technicians in this field should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.
[0027] According to an embodiment of the present utility model, a HVAC duct structure is provided.
[0028] Please refer to the instruction manual Figure 1-6 According to an embodiment of the present invention, a HVAC duct structure includes an upper tube shell 1 and a lower tube shell 2. A first slide groove 4 is provided on the inner side of the left end of the upper tube shell 1, and a first slide bar 5 is fixedly connected to the bottom end of the upper tube shell 1. The top of the lower tube shell 2 is fixedly connected to the second slide bar 6. A second slide groove 7 is provided on the inner side of the right end of the lower tube shell 2. An inner L-plate 10 is provided on the inner sides of the upper tube shell 1 and the lower tube shell 2. Insulation cotton 9 is installed between the upper tube shell 1, the lower tube shell 2 and the inner L-plate 10, and nuts 13 are installed on the inner sides of the upper tube shell 1, the lower tube shell 2 and the inner L-plate 10.
[0029] The thermal insulation cotton is clamped and fixed to the upper tube shell and the lower tube shell respectively through the inner L plate, and after inserting the nut, it is fixed with the fastening screws. Then the upper tube shell assembly is installed on the building ceiling with a hanger, and then the lower tube shell assembly is taken out, and the second slide bar of the lower tube shell is inserted into the first slide groove in the upper tube shell to complete the quick assembly. The connecting parts allow the HVAC pipes to extend freely. This device is easy to install and has the ability to keep warm.
[0030] In one embodiment, please refer to the appendix of the specification. Figure 1-6 As a further solution of the present invention, the front and rear ends of the upper tube shell 1 and the lower tube shell 2 are fixedly connected with connecting members 3, and the inner side of the connecting member 3 is provided with a connecting hole 8.
[0031] The connector 3 allows several groups of HVAC pipes to be connected to each other and extended.
[0032] In another embodiment, please refer to the attached Figure 1-6 As a further solution of the present invention, the second slide bar 6 is slidably connected to the first slide groove 4, and the first slide bar 5 is slidably connected to the second slide groove 7.
[0033] Thus, the first slide bar 5 of the upper tube shell 1 is inserted into the second slide groove 7 of the lower tube shell 2, and the second slide bar 6 of the lower tube shell 2 is inserted into the inner side of the first slide groove 4 of the upper tube shell 1, completing the rapid assembly.
[0034] In one embodiment, please refer to the appendix of the specification. Figure 1-6 As a further solution of the present invention, the upper tube shell 1 and the lower tube shell 2 are both L-shaped, and the length of the upper tube shell 1 is equal to the length of the lower tube shell 2.
[0035] This makes the pipe a square pipe, which is easy to install and clean.
[0036] In another embodiment, please refer to the attached Figure 1-6 As a further solution of the present invention, a first through hole 11 is provided on the inner side of the inner L-plate 10 , and a second through hole 12 is provided on the inner side of both the upper tube shell 1 and the lower tube shell 2 .
[0037] Thus, the nut 13 can be inserted into the first through hole 11, penetrate the thermal insulation cotton 9, and then inserted into the second through hole 12, and then tightened with the fastening screw 15 to complete the installation.
[0038] In one embodiment, please refer to the appendix of the specification. Figure 1-6 As a further solution of the present invention, the inner side of the nut 13 at the upper end is spirally connected to a suspension rod 14, and the inner sides of the nuts 13 at the left, right and lower ends are spirally connected to fastening screws 15.
[0039] The fastening screws can complete the positioning and installation of the thermal insulation cotton 9, and the hanger 14 can complete the suspension of the pipeline.
[0040] During use, the thermal insulation cotton 9 is clamped and fixed on the upper tube shell 1 and the lower tube shell 2 respectively through the inner L plate 10, and after the nut 13 is inserted, it is fixed with the fastening screw 15, and then the assembly of the upper tube shell 1 is completed with the installation of the building ceiling with the hanger 14, and then the assembly of the lower tube shell 2 is taken out, and the second slide bar 6 of the lower tube shell 2 is inserted into the first slide groove 4 in the upper tube shell 1 to complete the quick assembly, and the connector 3 allows the HVAC pipe to extend freely. This set of devices is easy to install and has the ability of heat preservation.
[0041] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A HVAC pipe structure, comprising an upper pipe shell (1) and a lower pipe shell (2), characterized in that: A first slide groove (4) is provided on the inner side of the left end of the upper tube shell (1), a first slide bar (5) is fixedly connected to the bottom end of the upper tube shell (1), a second slide bar (6) is fixedly connected to the top end of the lower tube shell (2), a second slide groove (7) is provided on the inner side of the right end of the lower tube shell (2), an inner L-plate (10) is provided on the inner side of the upper tube shell (1) and the lower tube shell (2), thermal insulation cotton (9) is installed between the upper tube shell (1), the lower tube shell (2) and the inner L-plate (10), and nuts (13) are installed on the inner sides of the upper tube shell (1), the lower tube shell (2) and the inner L-plate (10).
2. The HVAC pipe structure according to claim 1, characterized in that: The front and rear ends of the upper tube shell (1) and the lower tube shell (2) are both fixedly connected with connecting pieces (3), and the inner side of the connecting piece (3) is provided with a connecting hole (8).
3. The HVAC piping structure according to claim 1, characterized in that: The second slide bar (6) is slidably connected to the first slide groove (4).
4. The HVAC piping structure according to claim 1, characterized in that: The first slide bar (5) is slidably connected to the second slide groove (7).
5. The HVAC piping structure according to claim 1, characterized in that: The upper tube shell (1) and the lower tube shell (2) are both arranged in an L-shape, and the length of the upper tube shell (1) is equal to the length of the lower tube shell (2).
6. The HVAC piping structure according to claim 1, characterized in that: A first through hole (11) is provided on the inner side of the inner L-plate (10), and a second through hole (12) is provided on the inner sides of both the upper tube shell (1) and the lower tube shell (2).
7. The HVAC duct structure according to claim 1, characterized in that: The inner side of the nut (13) at the upper end is spirally connected to a suspension rod (14), and the inner sides of the nuts (13) at the left, right and lower ends are all spirally connected to fastening screws (15).
Citation Information
Patent Citations
Heating ventilation air conditioner pipeline structure
CN219933275U