Foldable air velocity and flow measurement handheld meter

By designing a foldable handheld air velocity and flow rate meter, and utilizing adjustment and fixing mechanisms, air velocity measurement at different heights and convenient portability are achieved, solving the problem of inconvenient fixing structures in existing technologies.

CN223664021UActive Publication Date: 2025-12-12ZHEJIANG KAIDUQIEYUAN TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520014416.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-04
Publication Date
2025-12-12
Estimated Expiration
2035-01-04

AI Technical Summary

Technical Problem

Most existing handheld air flow rate meters have fixed operating levers, which makes them inconvenient to measure speed in small places at different heights and also makes them difficult to carry.

Method used

A foldable handheld air velocity and flow rate measuring instrument was designed. The height of the measuring instrument body can be adjusted and fixed through an adjustment mechanism and a fixing mechanism. The adjustment mechanism includes the combined use of multiple vertical plates and magnetic plates, and the locking of irregular holes and irregular rods in the fixing mechanism.

Benefits of technology

It achieves convenient measurement of airflow velocity at different heights and is easy to carry. The rotation of the upright plate and the locking of the magnetic plate ensure measurement stability and portability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of air flow and flow velocity handheld meters, in particular to a foldable air flow and flow velocity measuring handheld meter, which comprises a measuring meter main body provided with an adjusting mechanism for simply and conveniently adjusting the measuring height of the measuring meter main body. The adjusting mechanism is provided with a fixing mechanism used for further fixing the adjusting height of the adjusting mechanism, and the adjusting mechanism comprises a first vertical plate, a second vertical plate, a third vertical plate and a fourth vertical plate. According to the utility model, the height of the measuring meter main body can be simply and conveniently adjusted by arranging the adjusting mechanism, and the height of the measuring meter main body can be conveniently adjusted by rotating the first vertical plate clockwise by 180 degrees, rotating the second vertical plate anticlockwise by 180 degrees, rotating the third vertical plate clockwise by 180 degrees and rotating the fourth vertical plate anticlockwise by 180 degrees due to the fact that the plurality of round pipes and the plurality of round rods are rotatably connected. And the first vertical plate, the second vertical plate, the third vertical plate and the fourth vertical plate all extend to the bottom of the measuring meter main body in sequence, so that the device can measure air at different heights.
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Description

TECHNICAL FIELD

[0001] The utility model relates to air flow rate handheld table technical field, concretely is a kind of collapsible air flow rate flow measurement handheld table. BACKGROUND

[0002] Air flow rate handheld table can measure the flow rate and flow of air or other gas. By non-contact, it can accurately measure the speed of fluid, and then calculate the actual flow of fluid. The operating rod of the measurement handheld table is mostly fixed structure, when it is needed to measure speed in some different height small place, it is very inconvenient, if user hand holds operating rod too long, it is inconvenient to carry, limit its use range. UTILITY MODEL CONTENT

[0003] In view of the deficiency of prior art, the utility model provides a kind of collapsible air flow rate flow measurement handheld table, with the advantage that the air flow rate of different height can be simply measured, solve the problem that the operating rod of handheld table in prior art is mostly fixed structure, when it is needed to measure speed in some different height small place, it is very inconvenient.

[0004] To solve the above technical problem, the utility model provides the following technical scheme:

[0005] A kind of collapsible air flow rate flow measurement handheld table, including measurement table main body, the adjusting mechanism for simply adjusting the measurement height thereof is provided on the measurement table main body, fixed mechanism for further fixing the height thereof is provided on the adjusting mechanism, the adjusting mechanism includes first vertical plate, second vertical plate, third vertical plate, fourth vertical plate, the bottom of the measurement table main body, the top of the first vertical plate and the bottom of the second vertical plate and the top of the third vertical plate are all fixedly connected with a group of supports, a plurality of the supports are fixedly connected with round rod between multiple groups, the bottom of the first vertical plate, the top of the second vertical plate and the bottom of the third vertical plate and the top of the fourth vertical plate are all fixedly connected with L-shaped frame, a plurality of the L-shaped frames are fixedly connected with circular tube, the side of the measurement table main body, first vertical plate, second vertical plate, third vertical plate, fourth vertical plate is all installed with positive magnetic attraction plate, the other side of the first vertical plate, second vertical plate, third vertical plate, fourth vertical plate is all installed with negative magnetic attraction plate.

[0006] Preferably, multiple the circular tube and multiple round rod are one-to-one correspondence, multiple the round rod is located in multiple circular tube respectively and rotationally connected between them.

[0007] Preferably, the shape and size of the first vertical plate, second vertical plate, third vertical plate, fourth vertical plate are same, the positive magnetic attraction plate and negative magnetic attraction plate are magnetically connected.

[0008] Preferably, the fixing mechanism comprises first special-shaped holes formed on the plurality of supports and the plurality of round rods, second special-shaped holes formed on the plurality of L-shaped frames, a group of special-shaped rods clamped in the adjacent first special-shaped hole and second special-shaped hole, a fixing plate fixedly connected to one side of the plurality of groups of special-shaped rods, a group of clamping grooves formed on one side of the plurality of groups of special-shaped rods, a clamping block clamped in the plurality of clamping grooves, and a connecting plate fixedly connected to one side of the plurality of clamping blocks.

[0009] Preferably, the first special-shaped holes and the second special-shaped holes are the same in shape and size.

[0010] Preferably, one side of the fourth vertical plate is fixedly connected with a handle, and the handle is provided with a roll.

[0011] By the above technical scheme, the air flow velocity and flow measurement handheld meter provided by the utility model has at least the following beneficial effects:

[0012] 1. The utility model discloses a height adjustment mechanism, which can conveniently adjust the height of the measuring meter main body. Since the plurality of round pipes and the plurality of round rods are rotationally connected, the first vertical plate is rotated clockwise by 180 degrees, the second vertical plate is rotated counterclockwise by 180 degrees, the third vertical plate is rotated clockwise by 180 degrees, and the fourth vertical plate is rotated counterclockwise by 180 degrees, so that the first vertical plate, the second vertical plate, the third vertical plate and the fourth vertical plate are sequentially extended at the bottom of the measuring meter main body. Thus, the device can measure air at different heights.

[0013] 2. The utility model discloses a fixing mechanism, which can fix the measuring meter main body at different heights. By clamping each group of special-shaped rods in the first special-shaped hole and the second special-shaped hole, the round pipes and the round rods are locked, thereby fixing the measuring meter main body after height adjustment. Meanwhile, the plurality of positive magnetic plates and negative magnetic plates can fold and fix the measuring meter main body, the first vertical plate, the second vertical plate, the third vertical plate and the fourth vertical plate, so that the device can be conveniently carried. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings, which are included to provide a further understanding of the utility model, form a part of this application:

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is a structure schematic view of the adjustment mechanism of the utility model;

[0017] Figure 3 It is an explosion view of the adjustment mechanism of the utility model;

[0018] Figure 4The explosion map of the fixing mechanism.

[0019] Reference signs:

[0020] 1, measurement table body; 2, adjusting mechanism; 201, first vertical plate; 202, second vertical plate; 203, third vertical plate; 204, fourth vertical plate; 205, support; 206, round rod; 207, L-shaped frame; 208, round pipe; 209, positive magnetic plate; 210, negative magnetic plate; 3, fixing mechanism; 301, first special-shaped hole; 302, second special-shaped hole; 303, fixing plate; 304, special-shaped rod; 305, clamping groove; 306, clamping block; 307, connecting plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Most of the operating rods of the measurement handheld table in the prior art are fixed structures, which are very inconvenient when measuring the speed of some small places at different heights. If the handheld operating rod is too long, it is not convenient to carry, which limits its use range. Some embodiments of the present application will be described below in combination with the drawings to provide a foldable air flow speed and flow measurement handheld table.

[0023] Embodiment one:

[0024] In order to improve the use range of the device, in combination with Figure 1 , Figure 2 and Figure 3 , a foldable air flow speed and flow measurement handheld table is proposed. The air flow speed and flow are measured simply by setting the measurement table body 1. The adjusting mechanism 2 is arranged on the measurement table body 1, which is used for simple adjustment of the measurement height of the measurement table body 1. The fixing mechanism 3 is arranged on the adjusting mechanism 2, which is used for further fixing the adjusted height of the measurement table body 1.

[0025] In order to make the device can be simple and convenient measurement of different height of air, now put forward a kind of adjusting mechanism 2, by installing the first vertical plate 201, the second vertical plate 202, the third vertical plate 203, the fourth vertical plate 204, the shape and size of the first vertical plate 201, the second vertical plate 202, the third vertical plate 203, the fourth vertical plate 204 are same, the bottom of the measuring table body 1, the top of the first vertical plate 201 and the bottom of the second vertical plate 202 and the top of the third vertical plate 203 are all fixedly connected with a group of supports 205, a plurality of groups of supports 205 are fixedly connected with round rods 206, the bottom of the first vertical plate 201, the top of the second vertical plate 202 and the bottom of the third vertical plate 203 and the top of the fourth vertical plate 204 are all fixedly connected with L-shaped frames 207, a plurality of L-shaped frames 207 are fixedly connected with round pipes 208, one side of the measuring table body 1, the first vertical plate 201, the second vertical plate 202, the third vertical plate 203 and the fourth vertical plate 204 are all provided with positive magnetic plates 209, the other side of the first vertical plate 201, the second vertical plate 202, the third vertical plate 203 and the fourth vertical plate 204 are all provided with negative magnetic plates 210, the positive magnetic plates 209 and the negative magnetic plates 210 are magnetically connected, the positions of the plurality of round rods 206 are fixed through the plurality of groups of supports 205, the positions of the plurality of round pipes 208 are fixed through the plurality of L-shaped frames 207, the plurality of round pipes 208 and the plurality of round rods 206 are one-to-one corresponding, the plurality of round rods 206 are respectively located in the plurality of round pipes 208 and rotatably connected with the plurality of round pipes 208, by rotating the first vertical plate 201 clockwise by 180°, rotating the second vertical plate 202 counterclockwise by 180°, rotating the third vertical plate 203 clockwise by 180°, rotating the fourth vertical plate 204 counterclockwise by 180°, the first vertical plate 201, the second vertical plate 202, the third vertical plate 203 and the fourth vertical plate 204 are all sequentially extended at the bottom of the measuring table body 1, so that the device can be adaptively adjusted according to the measurement requirement, thereby measuring the air of different height.

[0026] One side of the fourth vertical plate 204 is fixedly connected with a handle, the handle is provided with a roll, and the stability of the device as a whole is improved when the staff measures through the handle with roll.

[0027] Embodiment two:

[0028] On the basis of embodiment one, the technical solution proposed in embodiment one is used to solve the problem that the operating rod of the measuring handheld table in the prior art is mostly fixed structure, which is very inconvenient when measuring the speed of some places of different height, and it is inconvenient to carry if the operating rod is too long. However, when the positions of the first vertical plate 201, the second vertical plate 202, the third vertical plate 203 and the fourth vertical plate 204 are adjusted, in order to ensure the stability thereof at different positions, further auxiliary fixing should be carried out.

[0029] In order to further fix the positions of the first vertical plate 201, the second vertical plate 202, the third vertical plate 203 and the fourth vertical plate 204, in combination with Figure 1 And Figure 3 And Figure 4 As shown in the figure, a fixing mechanism 3 is provided, a first special-shaped hole 301 is formed on each of the plurality of supports 205 and the plurality of round rods 206, a second special-shaped hole 302 is formed on each of the plurality of L-shaped frames 207, a set of special-shaped rods 304 is clamped in each of the adjacent first special-shaped hole 301 and the second special-shaped hole 302, a fixing plate 303 is fixedly connected to one side of each of the plurality of sets of special-shaped rods 304, a set of clamping grooves 305 is formed on one side of each of the plurality of sets of special-shaped rods 304, a clamping block 306 is clamped in each of the plurality of sets of clamping grooves 305, a connecting plate 307 is fixedly connected to one side of each of the plurality of sets of clamping blocks 306, the shapes and sizes of the plurality of first special-shaped holes 301 and the second special-shaped holes 302 are the same, the plurality of positive magnetic plates 209 and the plurality of negative magnetic plates 210 enable the folding and fixing of the measuring table body 1, the first vertical plate 201, the second vertical plate 202, the third vertical plate 203 and the fourth vertical plate 204, the plurality of sets of special-shaped rods 304 are inserted into the adjacent first special-shaped hole 301 and the second special-shaped hole 302 respectively, so that the plurality of round pipes 208 and the plurality of round rods 206 are locked, thereby fixing the measuring table body 1 after the height adjustment is completed, and the device can be conveniently carried after folding.

[0030] It should be noted that the terms "comprising", "including", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device.

[0031] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A collapsible air flow rate flow measuring hand held meter comprising a meter body (1) characterised in that: The measuring table body (1) is provided with an adjusting mechanism (2) for conveniently adjusting the height of the measuring table body (1), and the adjusting mechanism (2) is provided with a fixing mechanism (3) for further fixing the height of the adjusting mechanism (2); The adjusting mechanism (2) comprises a first vertical plate (201), a second vertical plate (202), a third vertical plate (203) and a fourth vertical plate (204), the bottom of the measuring table body (1), the top of the first vertical plate (201), the bottom of the second vertical plate (202), the top of the third vertical plate (203) are all fixedly connected with a group of supports (205), a plurality of groups of the supports (205) are fixedly connected with a round rod (206), the bottom of the first vertical plate (201), the top of the second vertical plate (202), the bottom of the third vertical plate (203) and the top of the fourth vertical plate (204) are all fixedly connected with an L-shaped frame (207), a plurality of the L-shaped frames (207) are fixedly connected with a round pipe (208), one side of the measuring table body (1), the first vertical plate (201), the second vertical plate (202), the third vertical plate (203) and the fourth vertical plate (204) are all installed with a positive magnetic plate (209), and the other side of the first vertical plate (201), the second vertical plate (202), the third vertical plate (203) and the fourth vertical plate (204) are all installed with a negative magnetic plate (210).

2. A collapsible air flow rate flow measurement hand held meter according to claim 1, wherein: A plurality of the round pipes (208) correspond to a plurality of the round rods (206) one by one, and a plurality of the round rods (206) are located in a plurality of the round pipes (208) and are rotationally connected therebetween.

3. A collapsible air flow rate flow meter hand held meter according to claim 2, wherein: The first vertical plate (201), the second vertical plate (202), the third vertical plate (203) and the fourth vertical plate (204) are the same in shape and size, and the positive magnetic plate (209) and the negative magnetic plate (210) are magnetically connected.

4. A collapsible air flow rate flow meter hand held meter according to claim 3, wherein: The fixing mechanism (3) comprises a first special-shaped hole (301) formed on a plurality of the supports (205) and a plurality of the round rods (206), a second special-shaped hole (302) formed on a plurality of the L-shaped frames (207), a group of special-shaped rods (304) clamped in the first special-shaped hole (301) and the second special-shaped hole (302), a fixing plate (303) fixedly connected to one side of a plurality of the special-shaped rods (304), a group of clamping grooves (305) formed on one side of a plurality of the special-shaped rods (304), a clamping block (306) clamped in the clamping groove (305), and a connecting plate (307) fixedly connected to one side of a plurality of the clamping blocks (306).

5. A collapsible air flow rate flow meter hand held meter according to claim 4, wherein: A plurality of the first special-shaped holes (301) and the second special-shaped holes (302) are the same in shape and size.

6. A collapsible air flow rate flow measurement hand held meter according to claim 1, wherein: One side of the fourth vertical plate (204) is fixedly connected with a handle, and the handle is provided with a roll.