Modularized ventilating duct

Abstract

The utility model relates to a modularized ventilating duct which comprises a ventilating duct body, guiding pieces are fixedly connected to the two ends of the surface of the ventilating duct body, guiding holes are formed in the surfaces of the guiding pieces, threaded rods are rotationally connected between the guiding pieces and the ventilating duct body, and the outer sides of the threaded rods are in threaded connection with connecting rods which vertically slide along the inner walls of the guiding pieces. Through the hanging bracket vertically moving on the inner side of the supporting frame and the threaded rod in threaded connection with the inner side of the hanging bracket, the hanging bracket can vertically reciprocate on the inner side of the supporting frame under clockwise and anticlockwise rotation of the threaded rod, and the distance between the hanging bracket and a ventilation pipeline is adjusted; the hanging height can be controlled when the ventilation pipeline is installed on the wall top, conflicts between the ventilation pipeline and other facilities installed on the wall top are avoided, and installation of the ventilation pipeline is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of modular ventilation ducts, and particularly relates to a modular ventilation duct. Background Art

[0002] A modular ventilation duct is a ventilation duct system designed modularly. Its characteristic lies in that each component can be detachably connected, which is convenient for assembly and disassembly. This design enhances the versatility of the duct module, reduces the manufacturing difficulty, enables the duct module to be installed and used according to the required length, reduces the installation difficulty and cost, shortens the installation cycle. A modular ventilation duct usually includes multiple duct modules, and adjacent duct modules are connected in a detachable manner, making the entire modular ventilation duct more flexible.

[0003] The installation of a modular ventilation duct is mainly fixed by connecting a hanger set at the four corners to the wall top. However, the length of the hanger outside the existing modular ventilation duct is fixed, and the modular ventilation duct cannot be fixed at a suitable height during installation, resulting in the modular ventilation duct being prone to conflict with facilities such as drainage pipes set on the indoor top during installation, affecting the normal installation of the modular ventilation duct. Summary of the Utility Model

[0004] Based on the above description, the utility model provides a modular ventilation duct to solve the problem that the length of the hanger outside the existing modular ventilation duct is fixed and it is prone to conflict with other facilities on the wall top during installation.

[0005] The technical solution of the utility model to solve the above technical problems is as follows: A modular ventilation duct includes a ventilation duct. At both ends of the surface of the ventilation duct, guiding members are fixedly connected. Guide holes are formed on the surface of the guiding members. A threaded rod is rotatably connected between the guiding member and the ventilation duct. A hoisting member that vertically slides along the inner wall of the guiding member and penetrates through the guide hole is threadedly connected to the outer side of the threaded rod.

[0006] On the basis of the above technical solution, the utility model can be further improved as follows.

[0007] Further, the guiding member includes a support frame, a guide hole and a sliding groove. Both ends of the support frame are bent at a right angle in the same direction and are parallel to each other. Both ends of the support frame are fixedly connected to the surface of the ventilation duct. There are two support frames, which are respectively arranged at both ends of the surface of the ventilation duct.

[0008] Further, the sliding groove is formed at the center of the two mutually distant sides of the inner wall of the support frame, and the guide hole is formed at one end of the inner wall of the sliding groove away from the ventilation duct. One ends of the two guide holes away from each other have the same shape and size as the sliding groove.

[0009] Further, the hoisting member includes a hanging bracket, a gasket, and a threaded hole. The two ends of the hanging bracket are bent at a right angle in the same direction and are parallel to each other. The two ends of the hanging bracket are slidably connected in the chute and penetrate through the guiding hole.

[0010] Further, the gasket is integrally formed at the two ends of the hanging bracket, and the threaded hole is opened in the center of the hanging bracket on the side close to the ventilation duct.

[0011] Further, bearing seats are installed at the centers of both ends of the ventilation duct, and bearing members are embedded in the centers of the inner walls of the support frame on the side far from the ventilation duct. The centers of the bearing seats, the bearing members, and the threaded hole coincide.

[0012] Further, the threaded rod is fixedly connected between the bearing seat and the bearing member and is threadedly connected to the inside of the threaded hole. A handle is fixedly connected to one end of the outer side of the threaded rod far from the ventilation duct, and the handles are annularly and equidistantly distributed around the center of the threaded rod.

[0013] Further, scale lines are provided on the inner wall of the support frame outside the chute, and the zero scale of the scale line is aligned with the end of the chute close to the ventilation duct.

[0014] Compared with the prior art, the technical solution of the present application has the following beneficial technical effects:

[0015] In the present utility model, through the hanging bracket that vertically moves inside the support frame, cooperating with the threaded rod threadedly connected inside the hanging bracket, when the threaded rod rotates clockwise and counterclockwise, the hanging bracket can perform vertical reciprocating motion inside the support frame, adjusting the distance from the ventilation duct, so that when the ventilation duct is installed on the wall top, the hoisting height can be controlled, avoiding conflicts with other facilities installed on the wall top, and facilitating the installation of the ventilation duct. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of a modular ventilation duct provided by an embodiment of the present utility model;

[0017] Figure 2 is Figure 1 a partial enlarged schematic diagram of area A in

[0018] Figure 3 is an exploded structural diagram of a guiding member and a hoisting member in an embodiment of the present utility model;

[0019] In the drawings, the list of components represented by each reference numeral is as follows:

[0020] 1. Ventilation duct; 2. Guide; 21. Support frame; 22. Guide hole; 23. Slide groove; 3. Lifting member; 31. Hanger; 32. Gasket; 33. Threaded hole; 4. Bearing member; 5. Bearing seat; 6. Threaded rod; 7. Grip; 8. Scale line. Detailed implementation mode

[0021] To facilitate the understanding of this application, the following will describe this application more comprehensively with reference to the relevant attached drawings. Embodiments of this application are shown in the attached drawings. However, this application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of this application more thorough and comprehensive.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which this application belongs. The terms used in the description of this application in this specification are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0023] Please refer to Figures 1-3 , a modular ventilation duct of the present utility model includes a ventilation duct 1. Both ends of the surface of the ventilation duct 1 are fixedly connected with a guide 2. A guide hole 22 is opened on the surface of the guide 2. A threaded rod 6 is rotatably connected between the guide 2 and the ventilation duct 1. A lifting member 3 that vertically slides along the inner wall of the guide 2 and passes through the guide hole 22 is threadedly connected to the outside of the threaded rod 6.

[0024] Please refer to Figure 1 , the guide 2 includes a support frame 21, a guide hole 22 and a slide groove 23. Both ends of the support frame 21 are bent at a right angle in the same direction and are parallel to each other. Both ends of the support frame 21 are fixedly connected to the surface of the ventilation duct 1. There are two support frames 21, which are respectively arranged at both ends of the surface of the ventilation duct 1.

[0025] Please refer to Figure 1 , the slide groove 23 is opened at the center of the two sides of the inner wall of the support frame 21 that are far away from each other. The guide hole 22 is opened at one end of the inner wall of the slide groove 23 that is far away from the ventilation duct 1. The shapes and sizes of the two ends of the two guide holes 22 that are far away from each other are the same as those of the slide groove 23. The opening of the guide hole 22 provides a channel for the vertical movement of the hanger 31. At the same time, the guide hole 22 is connected and combined with the slide groove 23, and the inner wall joints are in the same plane, so that the hanger 31 can move continuously between the slide groove 23 and the guide hole 22.

[0026] Please refer to Figure 1, the hoisting member 3 includes a hanger 31, a gasket 32 and a threaded hole 33. The two ends of the hanger 31 are bent at a right angle in the same direction and are parallel to each other. The two ends of the hanger 31 are slidably connected in the chute 23 and penetrate through the guiding hole 22. The gasket 32 is integrally formed at the two ends of the hanger 31. The threaded hole 33 is opened in the center of the hanger 31 on the side close to the ventilation duct 1. The sliding connection between the hanger 31 and the chute 23 limits the movement direction of the hanger 31, so that the hanger 31 can only slide vertically inside the support frame 21. And the chute 23 is isosceles trapezoidal, which can wrap the hanger 31 inside the support frame 21, increasing the stability and structural strength of the cooperation between the hanger 31 and the support frame 21.

[0027] Please refer to Figure 1 , bearing seats 5 are installed at the centers of both ends of the ventilation duct 1, and bearing members 4 are embedded in the centers of the inner walls of the support frame 21 on the side far from the ventilation duct 1. The centers of the bearing seats 5, the bearing members 4 and the threaded holes 33 coincide.

[0028] Please refer to Figure 1 , a threaded rod 6 is fixedly connected between the bearing seat 5 and the bearing member 4 and is threadedly connected inside the threaded hole 33. A handle 7 is fixedly connected to the outer end of the threaded rod 6 far from the ventilation duct 1. The handles 7 are annularly and equidistantly distributed around the center of the threaded rod 6. Under the restriction of the chute 23 on the hanger 31, when the threaded rod 6 threadedly connected in the threaded hole 33 rotates clockwise and counterclockwise, the hanger 31 can move vertically up and down along the chute 23 due to the increase and decrease of the threads during the threaded rotation. The adjusted hanger 31 can shorten or increase the distance between the ventilation duct 1 and the ceiling during installation, so that the ventilation duct 1 can be installed at a suitable height to avoid conflicts with other facilities arranged on the ceiling.

[0029] Please refer to Figure 2 , a scale line 8 is arranged on the inner wall of the support frame 21 outside the chute 23. The zero scale of the scale line 8 is aligned with the end of the chute 23 close to the ventilation duct 1. The setting of the scale line 8 facilitates observing the specific adjustment height of the hangers 31 at both ends of the ventilation duct 1, so that the two hangers 31 can be aligned by identifying the scale line 8, avoiding the influence on the installation effect of the ventilation duct 1 caused by the deviation of the heights of the two hangers 31 after adjustment.

[0030] As used herein, the singular forms "a", "an" and "the" may also include the plural forms unless the context clearly dictates otherwise. It should also be understood that the terms "comprises / include" or "has" etc. specify the presence of the stated features, wholes, steps, operations, components, parts or combinations thereof, but do not preclude the presence or addition of one or more other features, wholes, steps, operations, components, parts or combinations thereof.

[0031] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A modular ventilation duct, comprising a ventilation duct (1), characterized in that: At both ends of the surface of the ventilation duct (1), there are guiding members (2) fixedly connected. A guiding hole (22) is formed on the surface of the guiding member (2). A threaded rod (6) is rotatably connected between the guiding member (2) and the ventilation duct (1). A hoisting member (3) that slides vertically along the inner wall of the guiding member (2) and penetrates through the guiding hole (22) is threadedly connected to the outer side of the threaded rod (6).

2. The modular ventilation duct according to claim 1, wherein: The guiding member (2) includes a support frame (21), a guiding hole (22), and a sliding groove (23). Both ends of the support frame (21) are bent at a right angle in the same direction and are parallel to each other. Both ends of the support frame (21) are fixedly connected to the surface of the ventilation duct (1). There are two support frames (21), which are respectively arranged at both ends of the surface of the ventilation duct (1).

3. The modular ventilation duct according to claim 2, wherein: The sliding groove (23) is formed in the middle of the two opposite sides of the inner wall of the support frame (21). The guiding hole (22) is formed at one end of the inner wall of the sliding groove (23) away from the ventilation duct (1). The shapes and sizes of the mutually remote ends of the two guiding holes (22) are the same as those of the sliding groove (23).

4. The modular ventilation duct according to claim 2, wherein: The hoisting member (3) includes a hanging frame (31), a gasket (32), and a threaded hole (33). Both ends of the hanging frame (31) are bent at a right angle in the same direction and are parallel to each other. Both ends of the hanging frame (31) are slidably connected in the sliding groove (23) and penetrate through the guiding hole (22).

5. The modular ventilation duct according to claim 4, characterized in that: The gasket (32) is integrally formed at both ends of the hanging frame (31). The threaded hole (33) is formed in the middle of the side of the hanging frame (31) close to the ventilation duct (1).

6. The modular ventilation duct according to claim 4, characterized in that: Bearing seats (5) are installed in the middle of both ends of the ventilation duct (1). Bearing members (4) are embedded in the middle of the side of the inner wall of the support frame (21) away from the ventilation duct (1). The centers of the bearing seats (5), the bearing members (4), and the threaded holes (33) coincide.

7. The modular ventilation duct according to claim 6, wherein: The threaded rod (6) is fixedly connected between the bearing seat (5) and the bearing member (4) and is threadedly connected to the inner side of the threaded hole (33). A handle (7) is fixedly connected to the outer end of the threaded rod (6) away from the ventilation duct (1). The handles (7) are annularly and equidistantly distributed around the center of the threaded rod (6).

8. The modular ventilation duct according to claim 2, characterized in that: Scale lines (8) are provided on the inner wall of the support frame (21) outside the sliding groove (23). The zero scale of the scale line (8) is aligned with the end of the sliding groove (23) close to the ventilation duct (1).

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