Ventilator testing device

The design of the movable frame and adjustable structure simplifies the connection and disassembly process between the ventilator and the test duct, solves the problem of cumbersome screw fixing in the existing technology, and improves the working efficiency and stability of the ventilator test.

CN223447288UActive Publication Date: 2025-10-17SHANGHAI BAOLONG HIGH SPEED SHIP EQUIP MASCH
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Patent Information

Application Number
CN202422726711.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2025-10-17
Estimated Expiration
2034-11-08

AI Technical Summary

Technical Problem

In ventilation fan testing, the installation and disassembly of mass-produced ventilation fans is cumbersome due to the tedious screw fixing to the test air duct, resulting in low work efficiency.

Method used

The system employs a movable frame and an adjustable structure, using clamps to hold and fix the ventilation equipment to the mounting frame. Combined with the design of sealing gaskets and adjusting rods, it achieves convenient connection. The auxiliary structure uses auxiliary rods and positioning frames to prevent the movable frame from sliding, thereby improving stability.

Benefits of technology

It simplifies the installation and disassembly process of the ventilator, improves work efficiency, and enhances airtightness and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of ventilator testing, in particular to a ventilator testing device. Comprising a moving frame, ventilation equipment abuts against the upper surface of the moving frame, a test air duct is installed on the upper surface of the moving frame, an adjusting structure is arranged at the end, close to the ventilation equipment, of the test air duct, the adjusting structure comprises a mounting frame, and the mounting frame is fixedly connected with the test air duct; the side, away from the test air duct, of the mounting frame is in sliding connection with the ventilation equipment, the two sides of the mounting frame are fixedly connected with two adjusting frames, one sides of the adjusting frames are in threaded connection with adjusting rods, and the ends, close to the adjusting frames, of the adjusting rods are rotationally connected with connecting blocks. The ventilator test device provided by the utility model has the advantages that the ventilation equipment is clamped and fixed on the mounting frame by using the two clamping plates, so that the ventilation equipment is conveniently connected with the test air duct, the clamping plates can be rotatably opened, the mounting operation is simple and convenient, and the working efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a ventilator test field especially relates to a ventilator testing device. BACKGROUND

[0002] Ventilator test is according to aerodynamics and fluid mechanics principles, simulates under different working conditions, assesses the performance parameter of ventilator, and ventilator testing device is the equipment specially used for testing the aerodynamic performance of ventilator, which is composed of frame, air duct, sensor, data analyzer, measurement and control system.

[0003] In prior art, when ventilator testing device is used to test ventilator, ventilator is installed at the air inlet end of test air duct, and test instrument is connected with ventilator and test air duct, various sensors and structures such as pressure ring, differential pressure sensor, temperature detection sensor installed in test air duct are used to accurately measure various performance indexes of ventilator and transmit data to test instrument, and test instrument analyzes and calculates to display on screen, however, the following problems may occur during operation, when batch-produced ventilators are tested, a certain number of ventilators are randomly selected for testing, and ventilator and test air duct are fixed through a plurality of screws, so that the operation of disassembling and assembling a large number of screws is complicated, and the working efficiency of test is reduced. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings in prior art.

[0005] To solve the above technical problems, the utility model provides a ventilator testing device, which comprises a movable frame, the upper surface of the movable frame is abutted with a ventilation equipment, the lower surface of the movable frame is provided with a plurality of universal wheels, the upper surface of the movable frame is provided with a test air duct, the upper surface of the movable frame is provided with a test instrument, the test instrument is electrically connected with the test air duct and the ventilation equipment, one end of the test air duct close to the ventilation equipment is provided with an adjusting structure, the adjusting structure comprises a mounting frame, the mounting frame is fixedly connected with the test air duct, one side of the mounting frame away from the test air duct is slidably connected with the ventilation equipment, two adjusting frames are fixedly connected on the both sides of the mounting frame, an adjusting rod is threadedly connected on one side of the adjusting frame, a connecting block is rotatably connected on one end of the adjusting rod close to the adjusting frame, a supporting arm is rotatably connected on one end of the connecting block away from the adjusting rod, the supporting arm and the connecting block are slidably connected with the inner wall of the adjusting frame, and a clamping plate is fixedly connected on one end of the supporting arm away from the connecting block.

[0006] The above components achieve the following effects: two clamping plates are used to clamp and fix the ventilation equipment on the mounting frame, so that the ventilation equipment is conveniently connected with the test air duct, the clamping plate can be rotated and opened, the installation operation is simple and convenient, and the working efficiency is improved.

[0007] Preferably, the mounting frame is fixedly connected with a sealing gasket on one side close to the ventilation equipment.

[0008] The above-mentioned components achieve the effect of increasing the air tightness between the ventilation equipment and the mounting frame through the sealing gasket.

[0009] Preferably, the fixing block is fixedly connected with a fixing block on the end away from the connecting block, and the surface of the fixing block is provided with a plurality of round holes, and the inner wall of one of the round holes is slidably connected with a round rod.

[0010] The above-mentioned components achieve the effect of sliding the round rod into the round hole on the fixing block, rotating the fixing block by operating the round rod, and rotating the adjusting rod by the fixing block, thereby facilitating the user to rotate the adjusting rod.

[0011] Preferably, the arc surface of the fixing block is fixedly connected with a plurality of anti-skid protrusions, and the plurality of anti-skid protrusions are uniformly distributed on the fixing block.

[0012] The above-mentioned components achieve the effect of increasing the friction of the arc surface of the fixing block through the anti-skid protrusions, thereby facilitating the user to directly rotate the fixing block.

[0013] Preferably, the lower surface of the moving frame is provided with an auxiliary structure, the auxiliary structure comprises an auxiliary plate, the auxiliary plate is fixedly connected with the moving frame, the upper surface of the auxiliary plate is rotatably connected with an auxiliary rod, the arc surface of the auxiliary rod is threadedly connected with a positioning frame, the four corners around the positioning frame are slidably connected with the moving frame, and the upper end of the auxiliary rod is fixedly connected with a handle.

[0014] The above-mentioned components achieve the effect of rotating the auxiliary rod, moving the positioning frame downward and supporting the moving frame, thereby avoiding the sliding of the moving frame during the test process, and the operation is simple and convenient.

[0015] Preferably, the lower surface of the positioning frame is fixedly connected with a plurality of anti-skid pads at positions corresponding to the four corners, and the anti-skid pads are rubber pads.

[0016] The above-mentioned components achieve the effect of increasing the friction of the lower surface of the positioning frame through the anti-skid pads, thereby making the limiting effect of the positioning frame better.

[0017] Preferably, the upper surface of the auxiliary plate is fixedly connected with two slide rods, and the arc surfaces of the two slide rods are slidably connected with the positioning frame.

[0018] The above-mentioned components achieve the effect of further limiting the positioning frame through the slide rods, thereby making the positioning frame more stable when moving along the inner wall of the moving frame.

[0019] Compared with the related art, the ventilation machine test device has the following beneficial effects:

[0020] The utility model provides a ventilator testing device, when using ventilator testing device to test the ventilator, it is to install the ventilator in the inlet end of test air duct, and the operation test appearance connects the ventilator and test air duct, and the various sensors and structures such as pressure ring, differential pressure sensor, temperature detection sensor installed in test air duct are used to accurately measure the various performance indexes of ventilator and transmit data to test appearance, and test appearance carries out analysis and calculation and displays on the screen, however this operation can appear the following problems, when testing the ventilator of batch production, need to test a certain number of ventilators randomly, and the ventilator and test air duct are fixed through a plurality of screws, and the operation of dismounting a large number of screws is complicated, reduces the work efficiency of test, through setting adjusting structure, realized, utilize two clamps to clamp and fix the ventilation equipment on the mounting frame, and then make the ventilation equipment and test air duct connect conveniently, the clamp can rotate and open, and the installation operation is simple and convenient, improves work efficiency.

[0021] Due to the wind power of ventilator, the moving frame is unstable and easy to deviate during the test process, by setting the auxiliary structure, rotating the auxiliary rod, the positioning frame moves downward and props up the moving frame, which can avoid the sliding of the moving frame during the test process, and the operation is simple and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 A structure schematic view of the ventilator testing device is provided.

[0023] Figure 2 For Figure 1 A structure schematic view of the adjusting structure is shown.

[0024] Figure 3 For Figure 2 A partial structure schematic view of the adjusting structure is shown.

[0025] Figure 4 For Figure 3 A disassembly structure schematic view of the adjusting frame is shown.

[0026] Figure 5 For Figure 1 A structure schematic view of the auxiliary structure is shown.

[0027] Marked number in the drawing: 1, moving frame; 2, ventilation equipment; 3, test air duct; 4, test appearance; 5, adjusting structure; 501, mounting frame; 502, sealing gasket; 503, adjusting frame; 504, adjusting rod; 505, connecting block; 506, support arm; 507, clamp; 508, fixed block; 509, round rod; 510, anti -slip protruding; 6, auxiliary structure; 61, auxiliary plate; 62, auxiliary rod; 63, positioning frame; 64, handle; 65, anti -slip pad; 66, slide rod. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0029] The specific implementation of the utility model will be described in detail in combination with specific examples.

[0030] Please refer to Figures 1 to 5 The utility model discloses a ventilator test device, including: moving frame 1, the upper surface of moving frame 1 is butted with ventilation equipment 2, the lower surface of moving frame 1 is provided with a plurality of universal wheels, the upper surface of moving frame 1 is installed with test air duct 3, the upper surface of moving frame 1 is provided with test instrument 4, test instrument 4 is electrically connected with test air duct 3 and ventilation equipment 2, the one end of test air duct 3 close to ventilation equipment 2 is provided with adjusting structure 5, the lower surface of moving frame 1 is equipped with auxiliary structure 6.

[0031] In the embodiment of the utility model, please refer to Figures 1 to 4 Adjusting structure 5 includes installation frame 501, installation frame 501 is fixedly connected with test air duct 3, one side of installation frame 501 away from test air duct 3 is slidably connected with ventilation equipment 2, the both sides of installation frame 501 are fixedly connected with two adjusting frames 503, one side of adjusting frame 503 is threadedly connected with adjusting rod 504, the one end close to adjusting frame 503 of adjusting rod 504 is rotatably connected with connecting block 505, the one end away from adjusting rod 504 of connecting block 505 is rotatably connected with support arm 506, support arm 506 and connecting block 505 are slidably connected with the inner wall of adjusting frame 503, the one end away from connecting block 505 of support arm 506 is fixedly connected with clamping plate 507, utilizes two clamping plates 507 and holds fixed ventilation equipment 2 on installation frame 501, and then makes ventilation equipment 2 and test air duct 3 convenient connection, clamping plate 507 can rotate and open, and installation operation is simple and convenient, improves work efficiency, one side of installation frame 501 close to ventilation equipment 2 is fixedly connected with sealing gasket 502, and the air tightness between ventilation equipment 2 and installation frame 501 is increased through sealing gasket 502, the one end away from connecting block 505 of adjusting rod 504 is fixedly connected with fixed block 508, a plurality of round holes are formed in the surface of fixed block 508, the inner wall of one of the round holes is slidably connected with round rod 509, round rod 509 is slid into the round hole on fixed block 508, and the round rod 509 drives fixed block 508 to rotate by operating, fixed block 508 drives adjusting rod 504 to rotate, which is convenient for the user to rotate adjusting rod 504, and a plurality of anti-skid protrusions 510 are fixedly connected on the arc surface of fixed block 508, the plurality of anti-skid protrusions 510 are evenly distributed on fixed block 508, the friction of the arc surface of fixed block 508 is increased through anti-skid protrusion 510, which is convenient for the user to directly rotate fixed block 508.

[0032] In the embodiment of the utility model, please refer to Figure 5 , the auxiliary structure 6 includes the auxiliary board 61, the auxiliary board 61 is fixedly connected with the moving frame 1, the upper surface of auxiliary board 61 is rotatably connected with auxiliary rod 62, the circular arc surface of auxiliary rod 62 is screw connected with positioning frame 63, the four corners of positioning frame 63 are slidably connected with moving frame 1, the upper end of auxiliary rod 62 is fixedly connected with handle 64, rotating auxiliary rod 62 makes positioning frame 63 move downward and prop up moving frame 1, can avoid the sliding of moving frame 1 in the test process, simple and convenient operation, the lower surface of positioning frame 63 is fixedly connected with a plurality of antiskid pads 65 in the position corresponding four corners, antiskid pad 65 is rubber pad, the friction of the lower surface of positioning frame 63 is increased through antiskid pad 65, the limiting effect of positioning frame 63 is better, the upper surface of auxiliary board 61 is fixedly connected with two slide rods 66, the circular arc surface of two slide rods 66 is slidably connected with positioning frame 63, positioning frame 63 is further limited through slide rod 66, positioning frame 63 is more stable when moving along the inner wall of moving frame 1;

[0033] The working principle of the ventilator testing device is as follows: by setting the adjusting structure 5, first rotate the adjusting rod 504, the adjusting rod 504 moves towards the direction of the adjusting frame 503 by means of the thread, the adjusting rod 504 drives the connecting block 505 to move, the connecting block 505 drives the supporting arm 506 and the clamping plate 507 to move towards the direction of the installation frame 501, continue to rotate the adjusting rod 504, when the supporting arm 506 completely slides away from the adjusting frame 503, the supporting arm 506 can be rotated, the supporting arm 506 and the clamping plate 507 are rotated towards the direction of the butt joint area of the installation frame 501, at this time, the ventilating equipment 2 to be tested is aligned with the installation frame 501 and is slid into the inner wall of the installation frame 501 by a certain distance, then the supporting arm 506 and the clamping plate 507 are reversely rotated to reset, the end of the supporting arm 506 close to the connecting block 505 is aligned with the inner wall of the adjusting frame 503, at this time, one end of the ventilating equipment 2 is located between the clamping plate 507 and the installation frame 501, the adjusting rod 504 is reversely rotated, the adjusting rod 504 moves away from the adjusting frame 503 by means of the thread, the adjusting rod 504 drives the connecting block 505 to move, the connecting block 505 drives the supporting arm 506 and the clamping plate 507 to move towards the direction of the installation frame 501, when the end of the supporting arm 506 close to the connecting block 505 is slid into the adjusting frame 503, the supporting arm 506 does not need to be continuously held, the adjusting rod 504 is continuously rotated, until the clamping plate 507 cooperates with the installation frame 501 to clamp and fix the ventilating equipment 2, wherein the air tightness between the ventilating equipment 2 and the installation frame 501 is increased by the sealing gasket 502, the round rod 509 is slid into the round hole on the fixed block 508, the fixed block 508 is rotated by operating the round rod 509, the fixed block 508 drives the adjusting rod 504 to rotate, the user can conveniently rotate the adjusting rod 504, the friction of the arc surface of the fixed block 508 is increased by the anti-skid convex 510, and the user can directly rotate the fixed block 508.

[0034] By setting the auxiliary structure 6, first rotate the handle 64, the handle 64 drives the auxiliary rod 62 to rotate along the auxiliary plate 61, the auxiliary rod 62 drives the positioning frame 63 to move downwards by means of the thread, in this process, the four corners of the positioning frame 63 always slide along the inner wall of the moving frame 1, continue to rotate the handle 64, until the positioning frame 63 supports the moving frame 1 upwards, wherein the friction of the lower surface of the positioning frame 63 is increased by the anti-skid pad 65, the positioning effect of the positioning frame 63 is better, and the positioning frame 63 is further positioned by the slide rod 66, so that the positioning frame 63 is more stable when moving along the inner wall of the moving frame 1.

[0035] The circuit and the control involved in the utility model are prior art, and too much description is not made here.

[0036] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made according to the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A ventilator test device, characterized in that: include: A mobile frame (1), wherein the upper surface of the mobile frame (1) is in contact with a ventilation device (2), the lower surface of the mobile frame (1) is provided with a plurality of universal wheels, the upper surface of the mobile frame (1) is provided with a test air duct (3), the upper surface of the mobile frame (1) is provided with a test instrument (4), the test instrument (4) is electrically connected to the test air duct (3) and the ventilation device (2), the test air duct (3) is provided with an adjustment structure (5) at one end close to the ventilation device (2), the adjustment structure (5) includes a mounting frame (501), the mounting frame (501) is fixedly connected to the test air duct (3), and the mounting frame (501) is away from the test air duct (3) ) is slidably connected to the ventilation device (2), two adjustment frames (503) are fixedly connected to both sides of the installation frame (501), an adjustment rod (504) is threadedly connected to one side of the adjustment frame (503), an end of the adjustment rod (504) close to the adjustment frame (503) is rotatably connected to a connecting block (505), an end of the connecting block (505) away from the adjustment rod (504) is rotatably connected to a support arm (506), the support arm (506) and the connecting block (505) are slidably connected to the inner wall of the adjustment frame (503), and an end of the support arm (506) away from the connecting block (505) is fixedly connected to a splint (507).

2. A ventilator test device according to claim 1, characterized in that: A sealing gasket (502) is fixedly connected to a side of the mounting frame (501) close to the ventilation device (2).

3. A ventilator test device according to claim 1, characterized in that: One end of the adjusting rod (504) away from the connecting block (505) is fixedly connected to a fixing block (508), and a surface of the fixing block (508) is provided with a plurality of circular holes, wherein the inner wall of one of the circular holes is slidably connected to a round rod (509).

4. A ventilator test device according to claim 3, characterized in that: The arc surface of the fixing block (508) is fixedly connected with a plurality of anti-slip protrusions (510), and the plurality of anti-slip protrusions (510) are evenly distributed on the fixing block (508).

5. A ventilator test device according to claim 1, characterized in that: An auxiliary structure (6) is provided on the lower surface of the mobile frame (1), and the auxiliary structure (6) includes an auxiliary plate (61), the auxiliary plate (61) is fixedly connected to the mobile frame (1), the upper surface of the auxiliary plate (61) is rotatably connected to an auxiliary rod (62), the arc surface of the auxiliary rod (62) is threadedly connected to a positioning frame (63), the four peripheral corners of the positioning frame (63) are slidably connected to the mobile frame (1), and the upper end of the auxiliary rod (62) is fixedly connected to a handle (64).

6. A ventilator test device according to claim 5, characterized in that: A plurality of anti-slip pads (65) are fixedly connected to the positions of the four corners corresponding to the lower surface of the positioning frame (63), and the anti-slip pads (65) are rubber pads.

7. A ventilator test device according to claim 5, characterized in that: Two sliding rods (66) are fixedly connected to the upper surface of the auxiliary plate (61), and the arc surfaces of the two sliding rods (66) are slidably connected to the positioning frame (63).