Fan pipeline positioning device for ventilation equipment

By designing an adjustable fan duct positioning device, a servo motor is used to drive the worm gear to rotate, achieving longitudinal and lateral positioning of the fan duct. This solves the problem that existing devices cannot adapt to ducts of different sizes, and improves positioning efficiency and equipment stability.

CN223882503UActive Publication Date: 2026-02-06XINJIANG FUYUAN DINGSHENG BREEDING & ANIMAL HUSBANDRY CO LTD
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Patent Information

Application Number
CN202520441521.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-02-06
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

The existing fan duct positioning device lacks adjustment function and cannot be used for fan ducts of different sizes, which requires switching between different models of positioning devices and reduces positioning efficiency.

Method used

A fan duct positioning device was designed, comprising a positioning mechanism, a transmission component, and a drive component. The device uses a servo motor to drive the worm gear to rotate, which in turn moves the threaded rod and the transmission block. Combined with a pull ring and a telescopic spring, the device achieves longitudinal and lateral positioning and clamping of the fan duct.

Benefits of technology

It enables precise positioning of ducts for fans of different sizes, improves positioning efficiency, reduces installation complexity, enhances construction accuracy and equipment stability, and extends service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fan pipeline positioning device for ventilation equipment, which belongs to the technical field of ventilation equipment, and comprises a positioning piece, a positioning part and a positioning part, the sliding groove is formed in the positioning piece; the outer surface of the positioning plate is connected to the inner wall of the sliding groove in a sliding mode, and the lower surface of the positioning plate is attached to the outer surface of the pipeline; the lower end face of the pull ring is fixedly connected to the upper surface of the positioning plate; the positioning mechanism is arranged, so that the problems that due to the fact that the device lacks an adjusting function, the device cannot be suitable for fan pipelines of different sizes, positioning devices of different models need to be switched back and forth, and the operation is tedious and the cost is high are solved. And the positioning efficiency of the fan pipeline is greatly reduced.
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Description

Technical Field

[0001] This utility model belongs to the field of ventilation equipment technology, and in particular relates to a fan duct positioning device for ventilation equipment. Background Technology

[0002] Ventilation equipment is used to improve indoor and outdoor air circulation. Common types include ventilators and fresh air systems. Ventilators use a motor to drive an impeller to rotate, forcing airflow and achieving indoor and outdoor air exchange. Types include axial fans and centrifugal fans. Fresh air systems are more complex, filtering and purifying fresh air while expelling stale indoor air, effectively improving indoor air quality. They are widely used in residential, commercial, and industrial buildings. Among ventilation equipment, the fan and duct positioning device is of great significance. Precise positioning ensures that the fan and duct are connected correctly, preventing air leakage due to misalignment and affecting ventilation efficiency. It also allows for a reasonable duct layout, avoiding wasted space and optimizing airflow. During installation, the positioning device improves construction accuracy and efficiency, reduces debugging costs, and ensures stable duct vibration and noise, guaranteeing stable operation of the ventilation system, extending equipment lifespan, and providing a solid guarantee for ventilation effectiveness.

[0003] Commonly available fan duct positioning devices use fixed frames for positioning. However, due to the lack of adjustment functions, these devices cannot be used for fan ducts of different sizes. This requires switching between different models of positioning devices, which is cumbersome and greatly reduces the positioning efficiency of fan ducts. Utility Model Content

[0004] To address the problems existing in the prior art, this utility model provides a fan duct positioning device for ventilation equipment, which has the advantage of being able to position and clamp fan ducts of different sizes. It solves the problem that due to the lack of adjustment function, the device cannot be applied to fan ducts of different sizes, requiring the switching of different models of positioning devices, which is cumbersome and greatly reduces the positioning efficiency of fan ducts.

[0005] This utility model is implemented as follows: a fan duct positioning device for ventilation equipment, comprising:

[0006] pipeline;

[0007] Positioning mechanism: Two positioning mechanisms are provided, both of which are disposed on the outer surface of the pipe. The positioning mechanism includes:

[0008] Positioning component: The opposite side of the positioning component is in contact with the outer surface of the pipe;

[0009] Sliding groove: The sliding groove is formed inside the positioning member;

[0010] Positioning plate: The outer surface of the positioning plate is slidably connected to the inner wall of the sliding groove, and the lower surface of the positioning plate is in close contact with the outer surface of the pipeline;

[0011] Pull ring: The lower end surface of the pull ring is fixedly connected to the upper surface of the positioning plate;

[0012] Rebound assembly: The rebound assembly is arranged inside the sliding groove.

[0013] As preferred by the utility model, the rebound assembly comprises:

[0014] Sliding rod: The sliding rod penetrates through the inside of the positioning plate, and the upper and lower ends of the sliding rod are fixedly connected to the inner wall of the sliding groove;

[0015] Extension spring: The extension spring is sleeved on the outer surface of the sliding rod, the upper end surface of the extension spring is fixedly connected to the inner wall of the sliding groove, and the lower end surface of the extension spring is fixedly connected to the upper surface of the positioning plate.

[0016] As preferred by the utility model, the upper side of the positioning piece is provided with a transmission assembly, and the transmission assembly comprises:

[0017] Transmission block: Two transmission blocks are arranged, and the lower surfaces of the two transmission blocks are fixedly connected to the upper surface of the positioning piece;

[0018] Threaded rod: Two threaded rods are arranged, and the outer surfaces of the two threaded rods are rotatably connected to the inside of the transmission block through threads;

[0019] Fixed shell: The inner wall of the fixed shell is rotatably connected to the opposite end of the threaded rod through a rotating shaft.

[0020] As preferred by the utility model, the lower surface of the fixed shell is provided with a stroke groove, the stroke groove is provided with two stroke grooves, and the inner walls of the two stroke grooves are slidably connected to the outer surfaces of the transmission blocks.

[0021] As preferred by the utility model, the outer surface of the threaded rod is provided with a fixing piece, the fixing piece is provided with two fixing pieces, the inner parts of the two fixing pieces are rotatably connected to the outer surface of the threaded rod through bearings, and the lower surface of the fixing piece is fixedly connected to the inner wall of the fixed shell.

[0022] As preferred by the utility model, the outer surface of the threaded rod is provided with a driving assembly, and the driving assembly comprises:

[0023] Worm wheel: The inside of the worm wheel is fixedly connected to the outer surface of the threaded rod;

[0024] Worm: the worm outer surface and the worm gear outer surface are in meshing relationship, the worm upper end is rotatably connected to the fixed shell inside through a bearing, and the worm lower end penetrates into the fixed shell inside;

[0025] Servo motor: the servo motor output end is fixedly connected to the worm lower end face.

[0026] As preferred by the utility model, the servo motor outer surface is fixedly connected with a fixed sleeve, and the fixed sleeve upper end face is fixedly connected to the fixed shell lower surface.

[0027] Compared with the prior art, the utility model has the beneficial effects as follows:

[0028] 1. The positioning mechanism is arranged, the pull ring is pulled upward, the pull ring drives the positioning plate to move upward along the sliding groove inner wall and the sliding rod outer surface, the positioning plate can extrude the telescopic spring, the telescopic spring generates elastic force, until the distance between the positioning plate and the positioning piece lower surface is greater than the height of the pipeline, at this time, the pull ring is stopped, the telescopic spring releases the elastic force, and the positioning plate is pushed to be attached to the pipeline, so that the pipeline is longitudinally positioned and clamped.

[0029] 2. The transmission assembly, stroke groove, fixing piece, driving assembly and fixed sleeve are arranged, the worm is rotated by the servo motor, the worm and the worm gear are meshed, the worm gear drives the threaded rod to rotate, the threaded rod drives the transmission block to move along the stroke groove inner wall to the opposite side through threads, the transmission block can drive the positioning piece to move together, the positioning piece is close to the pipeline, until the opposite side of the positioning piece is attached to the pipeline, so that the pipeline is transversely positioned and clamped. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is a three-dimensional structure schematic view provided by the utility model embodiment;

[0031] Figure 2 It is a three-dimensional structure schematic view of the positioning mechanism and the transmission assembly provided by the utility model embodiment;

[0032] Figure 3 It is an explosion schematic view of the sliding groove and the rebound assembly provided by the utility model embodiment;

[0033] Figure 4 It is an explosion schematic view of the stroke groove, the fixing piece, the driving assembly and the fixed sleeve provided by the utility model embodiment.

[0034] As shown in the figure: 1, pipeline; 2, positioning mechanism; 210, positioning piece; 220, sliding groove; 230, positioning plate; 240, pull ring; 250, rebound assembly; 251, sliding rod; 252, telescopic spring; 3, transmission assembly; 301, transmission block; 302, threaded rod; 303, fixed shell; 4, stroke groove; 5, fixed piece; 6, driving assembly; 601, worm gear; 602, worm; 603, servo motor; 7, fixed sleeve. DETAILED DESCRIPTION

[0035] In order to further understand the application content, characteristics and effects of the utility model, the following examples are given, and the details are described as follows with reference to the drawings.

[0036] The structure of the utility model will be described in detail below with reference to the drawings.

[0037] As shown in the figure, the utility model embodiment provides a fan pipeline positioning device for ventilation equipment, which comprises: Figures 1 to 4

[0038] Pipeline 1;

[0039] Positioning mechanism 2: two positioning mechanisms 2 are arranged, and the two positioning mechanisms 2 are arranged on the outer surface of the pipeline 1; the positioning mechanism 2 comprises:

[0040] Positioning piece 210: the opposite side of the positioning piece 210 is mutually attached to the outer surface of the pipeline 1;

[0041] Sliding groove 220: the sliding groove 220 is arranged in the inside of the positioning piece 210;

[0042] Positioning plate 230: the outer surface of the positioning plate 230 is slidingly connected to the inner wall of the sliding groove 220, and the lower surface of the positioning plate 230 is mutually attached to the outer surface of the pipeline 1;

[0043] Pull ring 240: the lower end surface of the pull ring 240 is fixedly connected to the upper surface of the positioning plate 230;

[0044] Rebound assembly 250: the rebound assembly 250 is arranged in the inside of the sliding groove 220.

[0045] As shown in the figure, the rebound assembly 250 comprises: Figure 3

[0046] Sliding rod 251: the sliding rod 251 penetrates the inside of the positioning plate 230, and the upper and lower ends of the sliding rod 251 are fixedly connected to the inner wall of the sliding groove 220;

[0047] Telescopic spring 252: the telescopic spring 252 is sleeved on the outer surface of the sliding rod 251, the upper end surface of the telescopic spring 252 is fixedly connected to the inner wall of the sliding groove 220, and the lower end surface of the telescopic spring 252 is fixedly connected to the upper surface of the positioning plate 230. ​​

[0048] With the above scheme: by pulling the pull ring 240 upwards, the pull ring 240 drives the positioning plate 230 to move upwards along the inner wall of the sliding groove 220 and the outer surface of the sliding rod 251, the positioning plate 230 can extrude the extension spring 252, so that the extension spring 252 generates elastic force, until the distance between the positioning plate 230 and the lower surface of the positioning piece 210 is greater than the height of the pipeline 1, and at the same time, the positioning piece 210 is close to the pipeline 1, until the relative side of the positioning piece 210 is attached to the pipeline 1, at this time, stop pulling the pull ring 240, release the elastic force of the extension spring 252, push the positioning plate 230 to attach to the pipeline 1, realize the clamping and positioning of the pipeline 1.

[0049] Reference Figure 2 As shown in the figure, the upper side of the positioning piece 210 is provided with a transmission assembly 3, and the transmission assembly 3 comprises:

[0050] Transmission block 301: two transmission blocks 301 are provided, and the lower surfaces of the two transmission blocks 301 are fixedly connected to the upper surface of the positioning piece 210;

[0051] Threaded rod 302: two threaded rods 302 are provided, and the outer surfaces of the two threaded rods 302 are rotatably connected to the inside of the transmission block 301 through threads;

[0052] Fixed shell 303: the inner wall of the fixed shell 303 is rotatably connected with the opposite end of the threaded rod 302 through a rotating shaft.

[0053] With the above scheme: in order to make the positioning piece 210 move to the opposite side, rotate the threaded rod 302, the threaded rod 302 drives the transmission block 301 to move to the opposite side through threads, and the transmission block 301 can drive the positioning piece 210 to move together.

[0054] Reference Figure 4 As shown in the figure, the lower surface of the fixed shell 303 is provided with a stroke groove 4, and the stroke groove 4 is provided with two, and the inner walls of the two stroke grooves 4 are slidably connected with the outer surfaces of the transmission blocks 301.

[0055] With the above scheme: the stroke groove 4 mainly provides a moving space for the movement of the transmission block 301.

[0056] Reference Figure 4 As shown in the figure, the outer surface of the threaded rod 302 is provided with a fixed part 5, and the fixed part 5 is provided with two, and the inside of the two fixed parts 5 is rotatably connected with the outer surface of the threaded rod 302 through a bearing, and the lower surface of the fixed part 5 is fixedly connected to the inner wall of the fixed shell 303.

[0057] With the above scheme: the fixed part 5 mainly plays a supporting role for the threaded rod 302.

[0058] Reference Figure 4As shown, the outer surface of the threaded rod 302 is provided with a driving assembly 6, the driving assembly 6 comprises:

[0059] The worm gear 601 is fixedly connected to the outer surface of the threaded rod 302 inside;

[0060] The worm gear 602 is in meshing relationship with the outer surface of the worm gear 601, and the upper end of the worm gear 602 is rotatably connected to the inside of the fixed shell 303 through a bearing, and the lower end of the worm gear 602 penetrates into the inside of the fixed shell 303.

[0061] The servo motor 603 is fixedly connected to the lower end surface of the worm gear 602.

[0062] The above scheme is adopted: in order to make the threaded rod 302 rotate, the servo motor 603 drives the worm gear 602 to rotate, the worm gear 602 and the worm gear 601 are in meshing relationship, so that the worm gear 601 drives the threaded rod 302 to rotate.

[0063] Reference Figure 4 As shown, the outer surface of the servo motor 603 is fixedly connected with a fixed sleeve 7, and the upper end surface of the fixed sleeve 7 is fixedly connected to the lower surface of the fixed shell 303.

[0064] The above scheme is adopted: the fixed sleeve 7 mainly plays a supporting role for the servo motor 603.

[0065] The working principle of the utility model:

[0066] In use, the servo motor 603 drives the worm gear 602 to rotate, the worm gear 602 and the worm gear 601 are in meshing relationship, so that the worm gear 601 drives the threaded rod 302 to rotate, the threaded rod 302 drives the transmission block 301 to move along the inner wall of the stroke groove 4 to the opposite side through the thread, the transmission block 301 can drive the positioning piece 210 to move together, so that the positioning piece 210 approaches the pipeline 1, until the opposite side of the positioning piece 210 is attached to the pipeline 1, at the same time, the pull ring 240 is pulled upward, the pull ring 240 drives the positioning plate 230 to move upward along the inner wall of the sliding groove 220 and the outer surface of the sliding rod 251, the positioning plate 230 can extrude the extension spring 252, so that the extension spring 252 generates elastic force, until the distance between the positioning plate 230 and the lower surface of the positioning piece 210 is greater than the height of the pipeline 1, at this time, stop pulling the pull ring 240, release the elastic force of the extension spring 252, push the positioning plate 230 to attach to the pipeline 1, complete the positioning of the pipeline 1.

[0067] It should be noted that the servo motor 603 is an existing device or equipment, or an existing device or equipment that can be realized, and the power supply specific composition and principle of the servo motor 603 are clear to those skilled in the art, so it will not be described in detail.

[0068] To sum up: the fan pipeline positioning device for ventilation equipment, through pipeline 1, positioning mechanism 2, transmission assembly 3, stroke groove 4, fixing piece 5, drive assembly 6 and fixing sleeve 7, solve the problem that due to the lack of adjusting function of the device, the device cannot be applied to different size fan pipeline, need to switch back and forth different models of positioning device, more cumbersome, greatly reduce the positioning efficiency of fan pipeline.

[0069] It should be noted that in this paper, such as the first and second relationship terms are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "include", "contain" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0070] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A fan duct positioning device for a ventilation apparatus, characterized by, Include: Pipeline (1); Positioning mechanism (2): the positioning mechanism (2) is provided with two, two positioning mechanisms (2) are arranged on the outer surface of the pipeline (1), and the positioning mechanism (2) comprises: Positioning piece (210): the positioning piece (210) is mutually attached to the outer surface of the pipeline (1) on one side; Sliding groove (220): the sliding groove (220) is opened in the inside of the positioning piece (210); Positioning plate (230): the outer surface of the positioning plate (230) is slidingly connected to the inner wall of the sliding groove (220), and the lower surface of the positioning plate (230) is mutually attached to the outer surface of the pipeline (1); Pull ring (240): the lower end surface of the pull ring (240) is fixedly connected to the upper surface of the positioning plate (230); springback assembly (250): the springback assembly (250) is arranged in the inside of the sliding groove (220).

2. A fan duct positioning device for a ventilation unit as defined in claim 1, characterized in that: The springback assembly (250) comprises: Sliding rod (251): the sliding rod (251) penetrates the inside of the positioning plate (230), and the upper and lower ends of the sliding rod (251) are fixedly connected to the inner wall of the sliding groove (220); Telescopic spring (252): the telescopic spring (252) is sleeved on the outer surface of the sliding rod (251), the upper end surface of the telescopic spring (252) is fixedly connected to the inner wall of the sliding groove (220), and the lower end surface of the telescopic spring (252) is fixedly connected to the upper surface of the positioning plate (230).

3. A fan duct positioning device for a ventilation unit as defined in claim 1, wherein: The upper side of the positioning piece (210) is provided with a transmission assembly (3), and the transmission assembly (3) comprises: Transmission block (301): the transmission block (301) is provided with two, and the lower surfaces of the two transmission blocks (301) are fixedly connected to the upper surface of the positioning piece (210); Threaded rod (302): the threaded rod (302) is provided with two, and the outer surfaces of the two threaded rods (302) are rotatably connected to the inside of the transmission block (301) through threads; Fixed shell (303): the inner wall of the fixed shell (303) is rotatably connected to the opposite end of the threaded rod (302) through a rotating shaft.

4. A fan duct positioning device for a ventilation unit as defined in claim 3, characterized in that: The lower surface of the fixed shell (303) is provided with a stroke groove (4), the stroke groove (4) is provided with two, and the inner walls of the two stroke grooves (4) are slidingly connected to the outer surfaces of the transmission blocks (301).

5. A fan duct positioning device for a ventilation unit as defined in claim 3, wherein: The outer surface of the threaded rod (302) is provided with a fixed piece (5), the fixed piece (5) is provided with two, the inside of the two fixed pieces (5) is rotatably connected to the outer surface of the threaded rod (302) through a bearing, and the lower surface of the fixed piece (5) is fixedly connected to the inner wall of the fixed shell (303).

6. A fan duct positioning device for a ventilation unit as defined in claim 3, wherein: The outer surface of the threaded rod (302) is provided with a driving assembly (6), and the driving assembly (6) comprises: Worm wheel (601): the inside of the worm wheel (601) is fixedly connected to the outer surface of the threaded rod (302); Worm (602): the worm (602) outer surface and the worm gear (601) outer surface is in meshing relationship, the worm (602) upper end is rotatably connected to the fixed shell (303) inside through the bearing, the worm (602) lower end is penetrated in the fixed shell (303) inside; Servo motor (603): the servo motor (603) output end is fixedly connected to the lower end surface of the worm (602).

7. A fan duct positioning device for a ventilation unit as defined in claim 6, wherein: The outer surface of the servo motor (603) is fixedly connected with a fixed sleeve (7), and the upper end surface of the fixed sleeve (7) is fixedly connected with the lower surface of the fixed shell (303).