Spliced ventilating duct
By designing the mother and daughter connection structures of the spliced ventilation duct, the problems of gaps and dust pollution during ventilation duct installation are solved, and the sealing performance and installation efficiency are improved.
Patent Information
- Application Number
- CN202520500064.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-03-21
AI Technical Summary
Existing ventilation ducts are prone to gaps during installation, leading to dust pollution, and are difficult to install, especially in environments with high dust levels.
The design adopts a modular ventilation duct system. Through the interlocking of the female and male connection structures, combined with the fixed structure, the use of bolts is reduced. The two independent ventilation ducts are connected by a sliding groove, which ensures airtightness and reduces installation difficulty.
It improves the sealing performance of ventilation ducts, reduces installation difficulty, increases installation efficiency, and reduces the number of bolts used.
Smart Images

Figure CN223768372U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a ventilation pipeline technical field especially, it relates to a spliced ventilation pipeline. BACKGROUND
[0002] Ventilation pipeline is metal or nonmetal pipeline for ventilation and air conditioning engineering of industrial and civil buildings.
[0003] The ventilation pipeline of present stage carries out installation, is through a plurality of bolts and nut and connects a plurality of independent ventilation pipeline, and this kind of connecting mode can appear gap, and this gap can deform along with the growth of service life, the thermal expansion and contraction of external environment, especially the ventilation pipeline passes through the place that dust is serious, for example flour processing workshop or directly is the outdoor environment that dust is more serious, can lead to a large amount of dust to enter the inside of ventilation pipeline, to pollute the environment inside ventilation pipeline. UTILITY MODEL CONTENT
[0004] The utility model discloses a spliced ventilation pipeline, which solves the problems in the prior art.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A spliced ventilation pipeline, comprising: a pipeline body, a female connection structure is installed on the left wall surface of the pipeline body, a male connection structure is installed on the right wall surface of the pipeline body, the male connection structure can be movably buckled with the female connection structure, and a fixing structure is movably installed on the upper and lower wall surfaces of the male connection structure and the female connection structure respectively; the female connection structure comprises: a female connection plate, two connecting dovetail grooves, two fixing grooves, and two fixing threaded holes; the female connection plate is fixedly installed on the left wall surface of the pipeline body, two connecting dovetail grooves are formed in the left wall surface of the female connection plate, two fixing grooves are formed in the right wall surface of the female connection plate, and two fixing threaded holes are formed in the side wall surface of the female connection plate.
[0007] The utility model is further provided with the male connection structure, which comprises: a male connection plate, two connecting dovetail sliding blocks, two fixing grooves, and two fixing threaded holes; the male connection plate is fixedly installed on the right wall surface of the pipeline body, the two connecting dovetail sliding blocks are respectively installed on the right wall surface of the male connection plate, two fixing grooves are formed in the left wall surface of the male connection plate, and two fixing threaded holes are formed in the side wall surface of the male connection plate.
[0008] The utility model further sets up two the fixed structure includes: fixed sliding plate, fixed baffle and two connecting bolts, the fixed sliding plate moves installation in the inside of fixed groove of female connecting plate and daughter connecting plate, the fixed baffle installs in one end of fixed sliding plate, the fixed baffle sets up right two through -holes, two connecting bolts respectively pass through the through -hole of fixed baffle, and two connecting bolts are installed in the fixed threaded hole of female connecting plate and the fixed threaded hole of daughter connecting plate through screw thread.
[0009] The utility model further sets up the pipe main body length-width ratio is three than two.
[0010] The utility model further sets up the thickness of female connecting plate is greater than the sum of the depth of connecting dovetail groove and fixed groove.
[0011] The utility model further sets up the thickness of daughter connecting plate is greater than the sum of the depth of connecting dovetail groove and fixed groove.
[0012] The utility model has the advantages that the utility model reduces the number of bolts, connects two independent ventilation pipes through the sliding slot, which can ensure the sealing of the ventilation pipe and reduce the installation difficulty of the ventilation pipe and improve the installation efficiency of the ventilation pipe. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 The utility model provides a kind of overall structure schematic view of spliced ventilation pipe;
[0014] Figure 2 The utility model provides a kind of pipe structure schematic view of spliced ventilation pipe;
[0015] Figure 3 The utility model provides a kind of fixed structure schematic view of spliced ventilation pipe;
[0016] Figure 4 The utility model provides a kind of overall structure explosion schematic view of spliced ventilation pipe.
[0017] In the drawing: 1, pipe main body;2, female connecting plate;3, connecting dovetail groove;4, fixed groove;5, fixed threaded hole;6, daughter connecting plate;7, connecting dovetail slider;8, fixed sliding plate;9, fixed baffle;10, connecting bolt. DETAILED DESCRIPTION
[0018] The technical scheme of the utility model will be explained in further detail in connection with specific implementation.
[0019] Embodiments of the present patent are described below in detail with reference to examples illustrated in the accompanying drawings, in which the same or similar elements or elements having the same or similar functions are denoted by the same or similar reference numerals throughout. The embodiments described below by reference to the accompanying drawings are exemplary and are intended only for the purpose of explaining the present patent, and should not be understood as limiting the present patent.
[0020] In the description of the present patent, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present patent and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present patent.
[0021] In the description of the present patent, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, set, or detachably connected, set, or integrally connected, set. For those skilled in the art, the specific meaning of the above terms in the present patent can be understood according to the specific circumstances.
[0022] Referring to Figures 1-4 A spliced ventilation duct, comprising: a duct body 1, a female connecting structure is mounted on the left wall surface of the duct body 1, a male connecting structure is mounted on the right wall surface of the duct body 1, the male connecting structure can be movably buckled with the female connecting structure, and the male connecting structure can be movably mounted with the fixing structure on the upper and lower wall surfaces of the female connecting structure respectively; the female connecting structure comprises: a female connecting plate 2, two connecting dovetail grooves 3, two fixing grooves 4 and two fixing threaded holes 5; the female connecting plate 2 is fixedly mounted on the left wall surface of the duct body 1, two connecting dovetail grooves 3 are formed on the left wall surface of the female connecting plate 2, two fixing grooves 4 are formed on the right wall surface of the female connecting plate 2, two fixing threaded holes 5 are formed on the side wall surface of the female connecting plate 2, the cross section of the duct body 1 is rectangular, the length-width ratio of the duct body 1 is three to two, and the thickness of the female connecting plate 2 is greater than the sum of the depths of the connecting dovetail groove 3 and the fixing groove 4.
[0023] As a preferred solution, further, the male connecting structure comprises: a male connecting plate 6, two connecting dovetail sliders 7, two fixing grooves 4 and two fixing threaded holes 5; the male connecting plate 6 is fixedly mounted on the right wall surface of the duct body 1, two connecting dovetail sliders 7 are mounted on the right wall surface of the male connecting plate 6 respectively, two fixing grooves 4 are formed on the left wall surface of the male connecting plate 6, two fixing threaded holes 5 are formed on the side wall surface of the male connecting plate 6, and the thickness of the male connecting plate 6 is greater than the sum of the depths of the connecting dovetail groove 3 and the fixing groove 4.
[0024] As a preferred solution, further, the two fixing structures comprise: a fixing slide plate 8, a fixing baffle 9 and two connecting bolts 10; the fixing slide plate 8 is movably installed inside the fixing groove 4 of the mother connecting plate 2 and the daughter connecting plate 6, the fixing baffle 9 is installed at one end of the fixing slide plate 8, the fixing baffle 9 is provided with two through holes, and the two connecting bolts 10 pass through the through holes of the fixing baffle 9 respectively and are screwed into the fixing threaded holes 5 of the mother connecting plate 2 and the daughter connecting plate 6.
[0025] Working principle: when the utility model is used, the operator first installs the first pipeline body 1 on the roof of the building through the air pipe support hanger, then when the operator installs the second pipeline body 1, first inserts the two connecting dovetail sliding blocks 7 of the daughter connecting plate 6 into the two connecting dovetail grooves 3 of the mother connecting plate 2 respectively, and makes the second pipeline body 1 flush with the first pipeline body 1, at this time, the operator movably inserts the fixing slide plate 8 into the fixing groove 4 of the mother connecting plate 2 and the daughter connecting plate 6, and makes the fixing baffle 9 adhere to the side wall surface of the mother connecting plate 2 and the daughter connecting plate 6, makes the two connecting bolts 10 pass through the through holes of the fixing baffle 9, and makes the two connecting bolts 10 be movably screwed into the fixing threaded holes 5 of the mother connecting plate 2 and the daughter connecting plate 6, then the operator fixes the second pipeline body 1 through the air pipe support hanger, at this time, the installation is completed, it should be noted that in order to prevent interference between the connecting dovetail groove 3 and the fixing groove 4, the thickness of the mother connecting plate 2 and the daughter connecting plate 6 is greater than the sum of the depth of the connecting dovetail groove 3 and the fixing groove 4.
[0026] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.
Claims
1. A spliced ventilation duct comprising: The utility model provides a pipeline body (1), its characterized in be that the left wall of pipeline body (1) is equipped with female connection structure, the right wall of pipeline body (1) is equipped with female connection structure, and the female connection structure can be and female connection structure active buckling, and the female connection structure can be and the upper and lower two wall surfaces of female connection structure respectively active installation has fixed structure, the female connection structure includes: female connection board (2), two connecting dovetail groove (3), two fixed slots (4) and two fixed screw holes (5), female connection board (2) fixed mounting in the left wall of pipeline body (1), the left wall of female connection board (2) is equipped with two connecting dovetail groove (3), the right wall of female connection board (2) is equipped with two fixed slots (4), and the lateral wall of female connection board (2) is equipped with two fixed screw holes (5).
2. A spliced vent duct according to claim 1, wherein, The female connection structure includes: female connection board (2), two connecting dovetail groove (3), two fixed slots (4) and two fixed screw holes (5), female connection board (2) fixed mounting in the left wall of pipeline body (1), the left wall of female connection board (2) is equipped with two connecting dovetail groove (3), the right wall of female connection board (2) is equipped with two fixed slots (4), and the lateral wall of female connection board (2) is equipped with two fixed screw holes (5).
3. A spliced vent duct according to claim 1, wherein, Two fixed structures include: fixed sliding plate (8), fixed baffle (9) and two connecting bolts (10), fixed sliding plate (8) active installation is in the fixed slot (4) inside of female connection board (2) and female connection board (6), fixed baffle (9) is installed in one end of fixed sliding plate (8), fixed baffle (9) is equipped right two through -holes, two connecting bolts (10) respectively pass through the through -hole of fixed baffle (9), and two connecting bolts (10) are installed in the fixed screw hole (5) of female connection board (2) and the fixed screw hole (5) of female connection board (6) through screw thread.
4. A spliced vent duct according to claim 1, wherein, The cross section of the pipeline body (1) is rectangular, and the length-width ratio of the pipeline body (1) is three to two.
5. A spliced vent duct according to claim 1, wherein, The thickness of the female connection board (2) is greater than the sum of the depths of the connecting dovetail groove (3) and the fixed slot (4).
6. A spliced vent duct according to claim 2, wherein, The thickness of the female connection board (2) is greater than the sum of the depths of the connecting dovetail groove (3) and the fixed slot (4). The thickness of the female connection board (2) is greater than the sum of the depths of the connecting dovetail groove (3) and the fixed slot (4).