CN218293904U

CN218293904U - Low-noise axial flow fan for automobile test

Info

Publication number: CN218293904U
Application number: CN202121841398.3U
Authority: CN
Inventors: 徐新伊
Original assignee: Jinan Sanyi Automobile Service Co ltd
Current assignee: Jinan Sanyi Automobile Service Co ltd
Priority date: 2021-08-07
Filing date: 2021-08-07
Publication date: 2023-01-13
Anticipated expiration: 2031-08-07

Abstract

The utility model discloses a low noise axial fan is used in automotive test relates to axial fan technical field, including the fan shell, two outer fixed surface of fan shell is connected with two support columns, two the equal sliding connection of surface of support column has the damper box. The utility model relates to a rational in infrastructure, it can be through the damper and the buffering supporting mechanism that set up, can make the device possess fine shock-absorbing function, can avoid the device can produce the noise because of vibrations when the operation, can guarantee that the device's use is experienced, vibrations are used on the second bracing piece, make the limiting plate slide in the slide of slide cartridge inside, second elastic support element can cushion vibrations, vibrations can use the support column, can make the slide, can compress the buffering gasbag, the buffering gasbag can cushion the slide, when the slide moves down, first elastic support element can further carry out the shock attenuation to the slide, can reduce the noise that the device produced.

Description

Low-noise axial flow fan for automobile test

Technical Field

The utility model relates to an axial fan technical field specifically is a low noise axial fan is used in automotive test.

Background

Axial fans are called "axial flow" because the air flows parallel to the fan axis, axial fans are usually used in applications where the flow requirement is high and the pressure requirement is low, axial fans are fixed in position and move air, axial fans are mainly composed of a fan impeller and a casing, and in a car test laboratory, it is necessary to simulate the frontal wind when a car is running with an axial fan.

At present, disclose an axial fan convenient to adjust among the prior art, patent number CN212744395U, it can adjust axial fan's angle through setting up universal ball connecting seat, bracing piece, fixing base, electric telescopic handle and first articulated seat etc. can enlarge axial fan's the scope of blowing, nevertheless, it lacks the structure of making an uproar falls to axial fan, and the fan can produce the noise because of vibrations when the operation, influences axial fan's use and experiences. Therefore, the low-noise axial flow fan for the automobile test is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

One) technical problem to be solved

The utility model aims at providing a low noise axial-flow fan is used in automotive test in order to compensate prior art not enough.

II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low noise axial fan for automotive test, includes the fan shell, the outer fixed surface of fan shell is connected with two support columns, two the equal sliding connection of surface of support column has the damper box, two damper mechanism is all installed to the inside of damper box, two fixed subassembly is all installed to the bottom surface of damper box, the internally mounted of fan shell has motor and two sets of buffering supporting mechanism, the output fixedly connected with of motor is a set of blade.

Further, damper includes two spouts, two the left and right sides wall of surge tank is seted up respectively to the spout, two sliding connection has the slide between the spout, and the upper surface of slide and the bottom surface fixed connection of support column, install the buffering gasbag between the bottom surface of slide and the inner diapire of surge tank.

Further, the left and right sides of buffering gasbag all is provided with the slide bar, and the bottom of slide bar and the interior diapire fixed connection of surge tank, two the top of slide bar all run through the slide and with the bottom surface sliding connection of support column, two the surface of slide bar all overlaps and is equipped with first elastic support spare, and first elastic support spare's both ends respectively with the bottom surface of slide and the interior diapire fixed connection of surge tank.

Further, fixed subassembly includes the mounting panel, mounting panel fixed connection is in the bottom surface of surge tank, the bottom surface fixedly connected with a set of buffering strip of mounting panel, two mounting holes have been seted up to the inside of mounting panel.

Furthermore, the buffering support mechanism comprises a first support rod and a second support rod, the first support rod is fixedly connected to the inner wall of the fan shell, the second support rod is fixedly connected to the outer surface of the motor, a sliding cylinder is arranged between the first support rod and the second support rod, and one ends, close to each other, of the first support rod and the second support rod are connected with the sliding cylinder in a sliding mode.

Further, the equal fixedly connected with limiting plate of one end that first bracing piece and second bracing piece are close to each other, and the surface of limiting plate and the inner wall sliding connection of slide cartridge, two install a set of second elastic support piece between the slide cartridge.

Furthermore, an air inlet cover and an air outlet cover are respectively installed at the left end and the right end of the fan shell, a group of first protection strips are installed on the inner wall of the air outlet cover, and a group of second protection strips are installed on the inner wall of the air inlet cover.

Furthermore, the outer surface of the fan shell is fixedly connected with a group of hanging rings, and a sound insulation layer is fixedly embedded in the inner wall of the fan shell.

Thirdly), the beneficial effects are that:

compared with the prior art, this low noise axial-flow fan for automotive test possesses following beneficial effect:

the utility model discloses a damper and buffering supporting mechanism that set up, can make the device possess fine shock-absorbing function, can avoid the device can produce the noise because of vibrations when the operation, can guarantee the use experience of the device, vibrations are used on the second bracing piece, make the limiting plate slide in the smooth section of thick bamboo is inside, second elastic support piece can cushion vibrations, vibrations can use the support column, can make the slide, can compress the buffering gasbag, the buffering gasbag can cushion the slide, when the slide moves down, first elastic support piece can further carry out the shock attenuation to the slide, can reduce the noise that the device produced.

Drawings

Fig. 1 is a schematic perspective view of the front view of the present invention;

fig. 2 is a cross-sectional view of a front view of the present invention;

FIG. 3 is a schematic cross-sectional view of the shock-absorbing box of the present invention;

fig. 4 is a sectional view of the front view of the buffering support mechanism of the present invention;

fig. 5 is an enlarged schematic view of a structure in fig. 1 according to the present invention.

In the figure: 1. a fan housing; 2. a support column; 3. a damper box; 4. a damping mechanism; 401. a chute; 402. a slide plate; 403. a buffer air bag; 404. a slide bar; 405. a first elastic support member; 5. a fixing component; 501. mounting a plate; 502. a buffer strip; 503. mounting holes; 6. a motor; 7. a blade; 8. a buffer support mechanism; 801. a first support bar; 802. a second support bar; 803. a slide cylinder; 804. a limiting plate; 805. a second elastic support member; 9. an air outlet cover; 10. an air inlet cover; 11. a first guard bar; 12. a second guard bar; 13. a hoisting ring; 14. and a sound insulation layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a low noise axial fan for automotive test, includes fan shell 1, is connected with two support columns 2 at the surface fixed of fan shell 1 to equal sliding connection has damper box 3 at the surface of two support columns 2.

Here, the bottom end of the support column 2 penetrates the upper surface of the shock-absorbing box 3 and extends to the inside of the shock-absorbing box 3, and the outer surface of the support column 2 is slidably connected with the upper surface of the shock-absorbing box 3.

Referring to fig. 3, a damper mechanism 4 is installed inside both damper boxes 3.

That is, the damping mechanism 4 includes two symmetrical chutes 401, so that the two chutes 401 are respectively opened on the left and right side walls of the damping box 3, and the sliding plate 402 is slidably connected between the two chutes 401, so that the upper surface of the sliding plate 402 is fixedly connected to the bottom surface of the supporting pillar 2.

Both ends of the sliding plate 402 are slidably connected to the inner walls of the two sliding grooves 401.

Referring to fig. 3, a cushion bladder 403 is fixedly connected to a bottom surface of the slide plate 402, such that the bottom surface of the cushion bladder 403 is fixedly connected to an inner bottom wall of the shock-absorbing box 3.

Preferably, the buffer airbag 403 is made of polyamide fabric with good anti-cracking performance.

In this embodiment, when the apparatus is operated to generate a shock, a force of the shock can be applied to the supporting column 2, so that the supporting column 2 can slide up and down inside the shock absorbing mechanism 4, the sliding plate 402 can slide up and down on the inner wall of the sliding groove 401, the buffer air bag 403 can be compressed, and the sliding plate 402 can be buffered by the buffer air bag 403.

Referring to fig. 4, slide rods 404 are provided at both left and right sides of the buffer bladder 403 such that the bottom ends of the slide rods 404 are fixedly connected to the inner bottom wall of the shock-absorbing box 3.

Here, the two slide bars 404 are symmetrical to each other.

Referring to fig. 4, the top ends of the two slide bars 404 extend through the slide plate 402 and are slidably connected to the bottom surface of the support column 2.

Preferably, the outer surface of the sliding rod 404 is slidably connected to the penetrating portion of the sliding plate 402, and a sliding hole is opened on the bottom surface of the supporting column 2, so that the top end of the sliding rod 404 extends to the inside of the sliding hole.

Referring to fig. 4, a first elastic supporting member 405 is sleeved on the outer surface of each of the two sliding rods 404, such that both ends of the first elastic supporting member 405 are fixedly connected to the bottom surface of the sliding plate 402 and the inner bottom wall of the damper box 3, respectively.

Here, the first elastic support 405 is preferably a compression spring.

In this embodiment, when the sliding plate 402 moves downward, the first elastic supporting member 405 can be compressed, and the first elastic supporting member 405 can further absorb shock to the sliding plate 402.

Referring to fig. 1, 2, 3 and 4, a fixing assembly 5 is installed at the bottom surface of each of the two shock-absorbing boxes 3.

That is, the fixing member 5 includes a mounting plate 501, the mounting plate 501 is fixedly connected to the bottom surface of the damper box 3, and a set of buffer strips 502 arranged at equal intervals is fixedly connected to the bottom surface of the mounting plate 501.

The bumper strip 502 is preferably made of rubber.

Referring to fig. 5, two mounting holes 503 are opened inside the mounting plate 501.

The mounting hole 503 is preferably a kidney-shaped hole.

In this embodiment, the fixing bolt is inserted into the mounting hole 503 so that the fixing bolt is connected to another connecting member, thereby fixing the device.

Referring to fig. 2 and 4, a motor 6 and two sets of buffer support mechanisms 8 are installed inside the fan case 1.

Here, the two sets of buffer support mechanisms 8 are in a circumferential array, and the motor 6 is connected with the inside of the fan casing 1 through the buffer support mechanisms 8.

That is, the buffering support mechanism 8 includes a first support rod 801 and a second support rod 802, so that the first support rod 801 is fixedly connected to the inner wall of the fan casing 1, so that the second support rod 802 is fixedly connected to the outer surface of the motor 6, a sliding cylinder 803 is disposed between the first support rod 801 and the second support rod 802, and one ends of the first support rod 801 and the second support rod 802, which are close to each other, are slidably connected to the sliding cylinder 803.

In this embodiment, when the device operates, the motor 6 generates vibration, and the vibration can act on the second supporting rod 802, so that the second supporting rod 802 drives the limiting plate 804 to slide inside the sliding cylinder 803.

Referring to fig. 4, a limiting plate 804 is fixedly connected to each end of the first supporting rod 801 and the second supporting rod 802 close to each other, so that the outer surface of the limiting plate 804 is slidably connected to the inner wall of the sliding barrel 803, and a set of second elastic supporting members 805 is installed between the two sliding barrels 803.

Here, the second elastic supports 805 are arranged at equal distances.

In this embodiment, when the limiting plate 804 slides inside the sliding tube 803, the second elastic supporting member 805 can be compressed, and the vibration of the motor 6 can be buffered by the compression and release of the second elastic supporting member 805.

Referring to fig. 2, a set of blades 7 is fixedly connected to the output end of the motor 6.

Through the blade 7 that sets up, the motor 6 during operation can drive blade 7 and rotate for the inside production air current of fan shell 1.

Referring to fig. 1 and 2, an air inlet cover 10 and an air outlet cover 9 are respectively installed at the left end and the right end of a fan shell 1, a group of first protection strips 11 which are arranged at equal intervals are installed on the inner wall of the air outlet cover 9, and a group of second protection strips 12 which are arranged at equal intervals are installed on the inner wall of the air inlet cover 10.

In the embodiment, the first protection strip 11 and the second protection strip 12 are arranged to protect elements inside the fan casing 1, so that foreign matters are prevented from entering the inside of the fan casing 1 and damaging the device.

Referring to fig. 1 and 2, a set of hanging rings 13 is fixedly connected to the outer surface of the fan casing 1.

Here, the number of the suspension rings 13 is three.

The lifting ring 13 is arranged, so that the device can be conveniently lifted.

Referring to fig. 2, a sound insulation layer 14 is fixedly embedded in the inner wall of the fan case 1.

In this case, soundproof cotton is preferably used for the soundproof layer 14.

In the present embodiment, the noise generated inside the fan casing 1 can be further blocked by the sound insulation layer 14, and the noise reduction effect of the device can be improved.

The working principle is as follows: when the device is used, the device can be installed at a proper position for use through the arranged fixing assembly 5, when the device runs, noise can be generated due to vibration, when the motor 6 generates vibration, the vibration can be applied to the second supporting rod 802, the second supporting rod 802 can drive the limiting plate 804 to slide in the sliding cylinder 803, the second elastic supporting piece 805 can be compressed, the vibration of the motor 6 can be buffered through the compression and the release of the second elastic supporting piece 805, when the device runs, the force of the vibration can be applied to the supporting column 2, the supporting column 2 can slide up and down in the shock absorption mechanism 4, the sliding plate 402 can slide up and down on the inner wall of the sliding groove 401, the buffer air bag 403 can be compressed, the buffer air bag 403 can buffer the sliding plate 402, when the sliding plate 402 moves downwards, the first elastic supporting piece 405 can be compressed, the first elastic supporting piece 405 can further absorb the vibration of the sliding plate 402, and the noise generated by the device can be reduced.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "fixedly," "mounted," "connected," and "connected" are to be construed broadly, e.g., "mounted" may be fixedly connected, or detachably connected, or integrally connected; "connected" may be mechanically or electrically connected; "connected" may be directly connected or indirectly connected through an intermediate member, or may be internal or external to two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a low noise axial-flow fan for automotive testing, includes fan shell (1), its characterized in that: the utility model discloses a fan shell, including fan shell, damping mechanism, fan shell, fixed subassembly, fan shell's outer fixed surface is connected with two support columns (2), two the equal sliding connection in surface of support column (2) has damper box (3), two damper mechanism (4) are all installed to the inside of damper box (3), two fixed subassembly (5) are all installed to the bottom surface of damper box (3), the internally mounted of fan shell (1) has motor (6) and two sets of buffering supporting mechanism (8), the output fixedly connected with of motor (6) a set of blade (7).

2. The low-noise axial-flow fan for the automobile test as recited in claim 1, wherein: damper (4) include two spout (401), two left and right sides wall, two of damper (3) are seted up respectively in spout (401) sliding connection has slide (402) between spout (401), and the upper surface of slide (402) and the bottom surface fixed connection of support column (2), install buffering gasbag (403) between the bottom surface of slide (402) and the interior diapire of damper (3).

3. The low-noise axial-flow fan for automobile test according to claim 2, wherein: the left and right sides of buffering gasbag (403) all is provided with slide bar (404), and the bottom of slide bar (404) and the interior diapire fixed connection of damper box (3), two slide bar (404) top all run through slide plate (402) and with the bottom surface sliding connection of support column (2), two the surface of slide bar (404) all overlaps and is equipped with first elastic support piece (405), and the both ends of first elastic support piece (405) respectively with the bottom surface of slide plate (402) and the interior diapire fixed connection of damper box (3).

4. The low-noise axial-flow fan for the automobile test as recited in claim 1, wherein: fixed subassembly (5) include mounting panel (501), mounting panel (501) fixed connection is in the bottom surface of damper box (3), the bottom surface fixedly connected with a set of buffering strip (502) of mounting panel (501), two mounting holes (503) have been seted up to the inside of mounting panel (501).

5. The low-noise axial-flow fan for the automobile test as recited in claim 1, wherein: buffering supporting mechanism (8) include first bracing piece (801) and second bracing piece (802), first bracing piece (801) fixed connection is in the inner wall of fan shell (1), second bracing piece (802) fixed connection is in the surface of motor (6), be provided with slide cartridge (803) between first bracing piece (801) and second bracing piece (802), the one end that first bracing piece (801) and second bracing piece (802) are close to each other all with slide cartridge (803) sliding connection.

6. The low-noise axial-flow fan for the automobile test as recited in claim 5, wherein: equal fixedly connected with limiting plate (804) of one end that first bracing piece (801) and second bracing piece (802) are close to each other, and the outer surface of limiting plate (804) and the inner wall sliding connection of slide cartridge (803), two install a set of second elastic support piece (805) between slide cartridge (803).

7. The low-noise axial-flow fan for the automobile test as recited in claim 1, wherein: the fan shell (1) is installed at both ends about respectively and is advanced wind cover (10) and go out fan housing (9), a set of first protecting strip (11) is installed to the inner wall that goes out fan housing (9), a set of second protecting strip (12) is installed to the inner wall of air inlet cover (10).

8. The low-noise axial-flow fan for the automobile test as recited in claim 1, wherein: the outer surface of the fan shell (1) is fixedly connected with a group of hanging rings (13), and a sound insulation layer (14) is fixedly embedded in the inner wall of the fan shell (1).