Rapid fan oscillating angle measuring device

Abstract

The utility model discloses a fan oscillating angle rapid measuring device which comprises a laser emitting device and an arc-shaped scale plate, the lower portion of the scale plate is provided with a supporting arm, the supporting arm is connected with a stand column of a fan through a clamping assembly, the scale plate and the stand column of the fan are coaxially distributed, and the surface of the side, close to the fan, of the scale plate is provided with scale marks; the laser emitting device comprises a fixing base and a laser emitter installed on the fixing base, a suction cup used for being connected with a motor base of the fan in an adsorption mode is arranged on the bottom surface of the fixing base, and the laser emitter emits laser spots facing the scale plate in the working state. According to the utility model, the laser emitter can emit the laser vertical to the scale plate, and the laser spot is displayed on the scale plate, so that a detector can rapidly measure the oscillating angle range of the fan by visually observing the reciprocating movement range of the laser spot on the scale plate. In addition, the LED lamp is firm in installation, convenient and fast to assemble and disassemble and convenient to carry.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric fan detection equipment technical field especially, it relates to a fan head angle quick measuring device. BACKGROUND

[0002] Electric fan in the process of using, the user often needs to use the head function in electric fan, to reach the purpose of expanding electric fan blowing range. Electric fan's head function is relied on a set of head device arranged between the stand and motor base realizes, because the head device structure on the market is various, the quality is uneven, electric fan factory in order to guarantee the quality of electric fan, will carry out head angle measurement to electric fan.

[0003] At present, the detection method of measuring fan head angle is generally manual detection, such as using laser range finder with angle sensor, the conventional method needs to use multiple instruments, and the uncertainty is improved in the cooperation process. At the same time, due to the fan's own jitter or airflow, the test data of the method is also unstable.

[0004] Therefore, an urgent need for a device that can quickly and accurately measure the head angle of fan products. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a fan head angle quick measuring device, simple to use, the measured data is more accurate, and the problems mentioned in the above background technology can be well solved.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A fan head angle quick measuring device, including laser emission device and circular arc scale board, the lower part of scale board is equipped with support arm, the end of support arm away from scale board is connected with the stand of fan through clamping assembly, the scale board and the stand of fan are coaxial distribution, the surface of one side of scale board close to fan is equipped with scale line;The laser emission device includes fixed base and laser emitter installed on fixed base, the bottom surface of fixed base is equipped with suction disc for adsorbing connection with the motor base of fan, the laser emitter emits laser spot towards scale board in working state.

[0008] Further, the upper part of fixed base is equipped with embedding groove embedding laser emitter.

[0009] Further, the two side groove walls of embedding groove are equipped with clamping block clamping laser emitter respectively.

[0010] Further, the scale line comprises a plurality of vertical scale lines distributed in parallel, and the plurality of vertical scale lines are distributed in equal intervals on the side surface of the scale board close to the fan.

[0011] Further, a vertical scale line located in the middle is a 0-degree scale line, and the degrees of the vertical scale lines located on the left and right sides of the 0-degree scale line increase gradually; the 0-degree scale line is provided with horizontal positioning lines distributed vertically, and the horizontal positioning lines and the 0-degree scale line intersect on the surface of the scale board to form a center alignment point.

[0012] Further, the range of the arc of the scale board is 90°-270°.

[0013] Further, the support arm comprises a sleeve and a telescopic rod connected through insertion, the pipe wall of the sleeve is provided with a lock hole, and the lock hole is provided with an adjusting bolt abutting against the telescopic rod.

[0014] Further, the clamping assembly comprises a first C-shaped hoop and a second C-shaped hoop, the middle part of the first C-shaped hoop is fixedly connected with the telescopic rod, one end of the first C-shaped hoop is rotationally connected with one end of the second C-shaped hoop, the other end of the first C-shaped hoop and the other end of the second C-shaped hoop are respectively provided with a fixing protrusion, and the fixing protrusion is provided with a through hole and a bolt and nut assembly penetrating through the through hole.

[0015] Further, the laser emitter is a handheld laser pointer.

[0016] Further, the laser pointer is a tubular laser pen.

[0017] Compared with the prior art, the fan head shaking angle quick measurement device has the following beneficial effects:

[0018] The scale board can be quickly and fixedly installed on the stand of the fan to be measured through the clamping assembly, and the fixing seat provided with the laser emitter can be conveniently and firmly adsorbed and fixed on the motor seat of the fan to be measured through the suction cup; since the laser emitter can emit laser light perpendicular to the scale board and display a laser spot on the scale board, the detection personnel can quickly measure the head shaking angle range of the fan by visually observing the back-and-forth moving range of the laser spot on the scale board. Since the fixing seat is provided with the suction cup and has strong adsorption force, the laser emitter and the motor seat of the fan to be measured can be firmly connected as a whole, the laser emitter and the fan to be measured can be ensured to rotate synchronously, and loosening during the measurement process is avoided; and since the arc-shaped scale board and the stand of the fan to be measured are coaxially distributed, the swinging range of the laser emitted by the laser emitter is the head shaking angle range of the fan to be measured during the measurement, so that the measured head shaking angle data is more accurate.

[0019] In addition, the laser emitting device has a small overall volume, is convenient to carry, and the scale plate and the laser emitting device are both convenient to quickly assemble and disassemble with the fan to be measured, convenient to operate, and capable of improving the testing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor based on these drawings.

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the present application;

[0022] Figure 2 It is a schematic diagram of the present application when measuring the fan head angle from the top;

[0023] Figure 3 It is a schematic diagram of the structure of the scale plate;

[0024] Figure 4 It is a schematic diagram of the structure of the support arm;

[0025] Figure 5 It is a schematic diagram of the structure of the clamping assembly;

[0026] Figure 6 It is a schematic diagram of the structure of the laser emitting device.

[0027] Reference signs: 1, laser emitting device; 11, fixed seat; 111, embedded groove; 112, clamping block; 12, laser emitter; 13, suction cup; 2, scale plate; 21, scale line; 22, horizontal positioning line; 3, support arm; 31, sleeve; 311, lock hole; 32, telescopic rod; 33, adjusting bolt; 4, clamping assembly; 41, first C-shaped clamp; 42, second C-shaped clamp; 43, fixed protrusion; 44, through hole; 45, bolt and nut assembly; 5, fan; 51, stand; 52, motor base. DETAILED DESCRIPTION

[0028] The technical solutions of the present application will be described in detail below by combining the drawings, and obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0029] Please refer to Figures 1-6The embodiment provides a fan shaking head angle quick measuring device, which comprises a laser emitting device 1 and a circular-arc scale plate 2, the lower part of the scale plate 2 is fixedly provided with a supporting arm 3, one end of the supporting arm 3 away from the scale plate 2 is quickly assembled and connected with a stand 51 of a fan 5 through a clamping assembly 4, the scale plate 2 and the stand 51 of the fan 5 are coaxially distributed, and the side surface of the scale plate 2 close to the fan 5 is provided with a scale line 21; the laser emitting device 1 comprises a fixing seat 11 and a laser emitter 12 mounted on the fixing seat 11, the bottom surface of the fixing seat 11 is provided with a suction disc 13 used for adsorbing and connecting with a motor seat 52 of the fan 5, and the laser emitter 12 emits a laser light spot towards the scale plate 2 in a working state.

[0030] The scale plate can be quickly fixed and installed on the stand of the fan to be measured through the clamping assembly, and the fixing seat provided with the laser emitter can be conveniently and firmly adsorbed and fixed on the motor seat of the fan to be measured through the suction disc; since the laser emitter can emit laser light perpendicular to the scale plate and display a laser light spot on the scale plate, a tester can quickly measure the shaking head angle range of the fan by visually observing the back-and-forth moving range of the laser light spot on the scale plate and comparing with the corresponding scale line. Since the fixing seat is provided with the suction disc, the laser emitter can be firmly connected with the motor seat of the fan to be measured through the strong adsorption force of the suction disc, the synchronous rotation of the laser emitter and the fan to be measured is ensured, and loosening during the measuring process is avoided; and since the circular-arc scale plate and the stand of the fan to be measured are coaxially distributed, the swinging range of the laser light emitted by the laser emitter is the shaking head angle range of the fan to be measured during the measuring process, so that the measured shaking head angle data is more accurate.

[0031] In addition, the laser emitting device has a small overall volume and is convenient to carry, and the scale plate and the laser emitting device are convenient to quickly assemble and disassemble with the fan to be measured, operation is convenient, and the test efficiency can be improved.

[0032] In some embodiments, as shown in Figure 6 The upper part of the fixing seat 11 is provided with an embedding groove 111 for embedding the laser emitter 12.

[0033] In some specific embodiments, as shown in Figure 6 The two side groove walls of the embedding groove 111 are respectively provided with a clamping block 112 for clamping the laser emitter 12. Through the clamping action of the clamping block, the laser emitter can be more firmly installed in the embedding groove, so that loosening during the measuring process is avoided.

[0034] In some embodiments, as shown in Figure 1 and Figure 3As shown, the scale line 21 comprises a plurality of vertical scale lines distributed in parallel, which are equally spaced on the side surface of the scale board close to the fan. Specifically, referring to Figure 3 , the vertical scale line in the middle is the 0° scale line, and the degree of the vertical scale lines on the left and right sides of the 0° scale line increases; the 0° scale line is provided with a vertically distributed horizontal positioning line 22, which intersects with the 0° scale line on the surface of the scale board to form a center alignment point, which can provide a better reference position for installing and fixing the scale board, so that the laser spot is just coincident with the center alignment point in the initial measurement. As an example, the reading range of the vertical scale line can be set to -90°~90°.

[0035] In some embodiments, the arc range of the scale board 2 can be set to 90°~270°. As an example, as shown in Figure 2 , the arc of the scale board 2 is set to 180°, i.e. the scale board is a semicircular arc-shaped bending plate.

[0036] In some embodiments, referring to Figure 1 , Figure 2 and Figure 4 , the support arm 3 comprises a sleeve 31 and a telescopic rod 32 connected by insertion, and the pipe wall of the sleeve 31 is provided with a lock hole 311, and the lock hole 311 is installed with an adjusting bolt 33 abutting against the telescopic rod 32. By pulling the telescopic rod, the length of the support arm can be quickly adjusted, and by screwing the adjusting bolt, the telescopic rod can be firmly locked.

[0037] In some embodiments, referring to Figure 1 , Figure 4 and Figure 5 , the clamping assembly 4 comprises a first C-shaped clamp 41 and a second C-shaped clamp 42, the middle part of the first C-shaped clamp 41 is fixedly connected with the telescopic rod 32, one end of the first C-shaped clamp 41 is rotatably connected with one end of the second C-shaped clamp 42, the other end of the first C-shaped clamp 41 and the other end of the second C-shaped clamp 42 are respectively provided with a fixing lug 43, the fixing lug 43 is provided with a through hole 44 and a bolt and nut assembly 45 passing through the through hole 44. By rotating the first C-shaped clamp and the second C-shaped clamp installed, they can be quickly enclosed and fixed on the stand of the fan, and locked by the bolt and nut assembly.

[0038] In some embodiments, the laser emitter 12 is a handheld laser pointer.

[0039] As an example, the laser pointer can be a conventional tubular laser pen. In other embodiments, according to the use needs, the laser emitter 12 can also be a flat box-shaped structure, similar in size to a remote control, for easy carrying.

[0040] The fan swing angle measurement process is as follows: as shown in Figure 1 The fixed seat 11 embedded with the laser emitter 12 is first adsorbed and fixed on the upper surface of the motor seat 52 of the fan 5 to be measured by the self-provided suction disc 13, and the laser beam emitted by the laser emitter 12 is kept parallel to the motor shaft direction, then the support arm 3 is adjusted to a suitable length, the scale plate 2 is fixed on the stand 51 of the fan 5 to be measured by the clamping assembly 4, and the height of the scale plate 2 is adjusted during the process of fixing the scale plate 2, so that the laser spot is just aligned with the center alignment point on the scale plate 2. Then, the laser emitter 12 is kept open, and the fan 5 to be measured is started, and the swing function is started to measure the swing angle of the fan; during the measurement process, as shown in Figure 2 The laser emitter 12 rotates and swings synchronously with the fan 5, the laser emitter 12 emits laser light perpendicular to the scale plate 2, and the laser spot is displayed on the scale plate 2, so that the detector can quickly measure the swing angle range of the fan by visually observing the back and forth movement range of the laser spot on the scale plate and comparing with the corresponding scale line.

[0041] The above embodiments only exemplarily illustrate the concept and technical solution of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought of the present application should be covered by the claims of the present application.

[0042] In addition, it should be understood that although the present application is described in the form of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments which can be understood by those skilled in the art.

Claims

1. A device for quickly measuring the angle of oscillation of a fan, characterized in that, The utility model provides a kind of laser emission device and circular arc scale plate, the lower part of the scale plate is equipped with support arm, the end of support arm away from scale plate is connected with the stand of fan by clamping assembly, scale plate and the stand of fan are coaxial distribution, the surface of the side of scale plate close to fan is equipped with scale line;The laser emission device includes fixed seat and laser emitter installed on fixed seat, the bottom surface of fixed seat is equipped with suction disc for adsorbing connection with the motor base of fan, laser emitter emits laser spot towards scale plate in working condition.

2. The fan head angle quick measuring device according to claim 1, wherein, The upper part of the fixed seat is equipped with the embedding groove embedded the laser emitter.

3. The fan head angle quick measuring device according to claim 2, wherein, The two side groove walls of the embedding groove are respectively equipped with the clamping block clamping the laser emitter.

4. The quick measurement device for fan swing angle according to claim 1, characterized in that, The scale line includes a plurality of vertical scale lines distributed in parallel, and the plurality of vertical scale lines are equally spaced on the surface of the side of the scale plate close to the fan.

5. The quick measurement device for fan swing angle according to claim 4, characterized in that, The vertical scale line located in the middle is a 0° scale line, and the degrees of the vertical scale lines located on the left and right sides of the 0° scale line increase.

6. The quick measurement device for fan swing angle according to claim 1, wherein The 0° scale line is equipped with a horizontally distributed horizontal positioning line, and the horizontal positioning line and the 0° scale line intersect on the surface of the scale plate to form a center alignment point.

7. The quick measurement device for fan swing angle according to claim 1, characterized in that, The radian range of the scale plate is 90°-270°.

8. The fan head angle quick measuring device of claim 7, wherein, The support arm includes a sleeve and a telescopic rod connected by insertion, the pipe wall of the sleeve is equipped with a lock hole, and the lock hole is installed with an adjusting bolt abutting against the telescopic rod.

9. The quick measurement device for fan swing angle according to any one of claims 1 to 8, characterized in that, The clamping assembly includes a first C-shaped hoop and a second C-shaped hoop, the middle part of the first C-shaped hoop is fixedly connected with the telescopic rod, one end of the first C-shaped hoop is rotatably connected with one end of the second C-shaped hoop, the other end of the first C-shaped hoop and the other end of the second C-shaped hoop are respectively equipped with a fixing protrusion, the fixing protrusion is provided with a through hole and a bolt and nut assembly penetrating through the through hole.

10. The fan head angle quick measuring device of claim 9, wherein, The laser emitter is a handheld laser pointer. The laser pointer is a tubular laser pen.

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