CN211852658U

CN211852658U - Computer noise reduction device

Info

Publication number: CN211852658U
Application number: CN202020466045.9U
Authority: CN
Inventors: 张冰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-11-03
Anticipated expiration: 2030-04-02

Abstract

The utility model discloses a device of making an uproar falls in computer, including the shell body and the interior casing that is used for the fixed mounting fan, realize connecting through four buffer gear of group between shell body and the interior casing, buffer gear includes the slider of slidable mounting on interior casing lateral wall to and head rod and the second connecting rod that two symmetries set up, one side and two head rod rotation that interior casing was kept away from to the slider are connected, the one end that the head rod was kept away from to the head rod is articulated through pivot and second connecting rod, two the one end that the head rod was kept away from to the second connecting rod is connected, two with the rotation of shell body inner wall the connection is realized connecting through the spring beam between the pivot. The utility model discloses a high-efficient quick buffering dynamics adjusts the effect, and convenient to use person adjusts buffer gear's elasticity to the state that matches with fan vibration amplitude, and the rocking of casing in the minimize when obtaining best noise reduction effect.

Description

Computer noise reduction device

Technical Field

The utility model belongs to the technical field of the computer, especially, relate to a device of making an uproar falls in computer.

Background

The noise of the computer mainly comes from the fan, and the blade eccentricity of the fan is the main cause of the large noise. The center of gravity of the fan blades of the high-quality fan is on the axis, the fan is very stable in operation and low in noise, the poor-quality fan often has certain deviation, the center of gravity of the fan blades does not cause eccentricity on the axis, the poor-quality fan is equivalent to an oscillator after rotating, and as the using time is prolonged, a fan bearing is gradually abraded, or radiating fins of the fan are not firmly installed and are loosened, the vibration aggravates and the noise is increased.

In the prior art, a computer noise reduction device slows down the transmission of the vibration generated by a fan to a case by arranging a spring or other elements with buffering performance. But the buffering shock attenuation dynamics of current computer noise reduction device is fixed, and the fan along with the lengthening of live time, fan bearing wearing and tearing gradually, leads to its vibration amplitude grow, and then makes noise reduction device's noise reduction effect weaken, so need adjust noise reduction device's shock attenuation dynamics, make its vibration amplitude who matches the fan, reach best noise reduction effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the fixed shortcoming of buffering shock attenuation dynamics of the device of making an uproar of present computer, and the device of making an uproar falls in a computer that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a computer noise reduction device comprises an outer shell and an inner shell for fixedly mounting a fan, wherein the outer shell is connected with the inner shell through four groups of buffer mechanisms, each buffer mechanism comprises a sliding block which is slidably mounted on the side wall of the inner shell, and two first connecting rods and two second connecting rods which are symmetrically arranged, one side of the sliding block, away from the inner shell, is rotatably connected with the two first connecting rods, one ends of the first connecting rods, away from a first connecting block, are hinged with the second connecting rods through rotating shafts, one ends of the two second connecting rods, away from the first connecting rods, are rotatably connected with the inner wall of the outer shell, the two rotating shafts are connected through spring rods, each spring rod comprises two threaded rods and two rotating pipes, the threaded rods and the rotating pipes are opposite in thread direction, two sections of threads in opposite directions are symmetrically arranged on the inner wall of each, two the equal fixedly connected with spring of one end that the threaded rod was kept away from each other, the cover is equipped with the lantern ring in the pivot, the one end and the sleeve pipe fixed connection of threaded rod are kept away from to the spring.

Preferably, a sliding hole is formed in the sliding block, a sliding rod is arranged in the sliding hole in a sliding mode, and the sliding rod is fixedly connected with the outer wall of the inner shell through a first fixing block.

Preferably, two the equal fixedly connected with second fixed block of one end that the threaded rod kept away from each other, one of them second fixed block fixedly connected with sleeve pipe, another second fixed block fixedly connected with inserted bar, the inserted bar activity is inserted and is established in the sleeve pipe.

Preferably, one side of the sliding block, which is far away from the inner shell, is symmetrically and fixedly provided with two first connecting blocks, and the two first connecting blocks are respectively hinged with the two first connecting rods.

Preferably, two second connecting blocks are fixedly arranged on the inner wall of the outer shell, and one ends, far away from the first connecting rod, of the second connecting rods are hinged to the two second connecting blocks respectively.

Preferably, the outer wall of the rotating pipe is provided with anti-skid grains.

Compared with the prior art, the beneficial effects of the utility model are that:

when the fan is along with using the vibrations range grow, the sleeve pipe can be held to user one hand, the sleeve pipe is rotated to the other hand, make two threaded rods keep away from each other or be close to each other, make the distance of threaded rod tip to the pivot produce the change, make the compression of spring or tensile degree slow down, and then make buffer gear's elasticity increase, can cushion vibrations by a larger margin, the quick buffering dynamics regulating effect of high-efficient has been realized, convenient to use person adjusts buffer gear's elasticity to the state that matches with fan vibrations range, the rocking of casing in the minimize when obtaining best noise reduction effect.

Drawings

Fig. 1 is a schematic structural diagram of a computer noise reduction device according to the present invention;

fig. 2 is a schematic view of a partial structure of a computer noise reduction device according to the present invention;

fig. 3 is an enlarged view of a structure a in fig. 2.

In the figure: the fan comprises an outer shell 1, an inner shell 2, a fan 3, a sliding rod 4, a first fixing block 5, a first connecting rod 6, a second connecting rod 7, a sliding block 8, a first connecting block 9, a second connecting block 10, a rotating pipe 11, a threaded rod 12, a spring 13, a sleeve 14, an inserted rod 15, a second fixing block 16, a rotating shaft 17 and a sleeve ring 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a computer noise reduction device comprises an outer shell 1 and an inner shell 2 for fixedly mounting a fan 3, the inner shell 2 and an inner shell 2 arranged inside the outer shell 1 are connected with each other through four groups of buffer mechanisms, each buffer mechanism comprises a slide block 8 slidably mounted on the side wall of the inner shell 2, and two first connecting rods 6 and two second connecting rods 7 symmetrically arranged, a slide hole is formed in the slide block 8, a slide rod 4 is slidably arranged in the slide hole, the slide rod 4 is fixedly connected with the outer wall of the inner shell 2 through a first fixing block 5, two first connecting blocks 9 are symmetrically and fixedly arranged on one side of the slide block 8 away from the inner shell 2, the two first connecting blocks 9 are respectively hinged with the two first connecting rods 6, one end of the first connecting rod 6 away from the first connecting block 9 is hinged with the second connecting rod 7 through a rotating shaft 17, two second connecting blocks are fixedly arranged on the inner wall of the, one end of each second connecting rod 7 far away from the first connecting rod 6 is respectively hinged with two second connecting blocks 10, two rotating shafts 17 are connected through a spring 13 rod, each spring 13 rod comprises two threaded rods 12 with opposite thread directions and a rotating tube 11, anti-skid threads are arranged on the outer wall of each rotating tube 11, two sections of threads with opposite directions are symmetrically arranged on the inner wall of each rotating tube 11 and are respectively sleeved on the two threaded rods 12 in a threaded manner, the ends of the two threaded rods 12 far away from each other are fixedly connected with the springs 13, each rotating shaft 17 is sleeved with a lantern ring 18, one end of each spring 13 far away from the threaded rod 12 is fixedly connected with a sleeve 14, each spring 13 is in a stretching or compressing state when in use, the ends of the two threaded rods 12 far away from each other are fixedly connected with second fixing blocks 16, one second fixing block 16 is fixedly connected with the sleeve 14, and the other second, the insertion rod 15 is movably inserted in the sleeve 14.

When the computer noise reduction device provided by the utility model is used, the buffer mechanism is arranged between the outer shell 1 and the inner shell 2, so that the vibration transmission between the inner shell 2 and the outer shell 1 can be slowed down; specifically, when the inner housing 2 vibrates due to the fan 3, the distance between the outer wall of the inner housing and the inner wall of the outer housing 1 is constantly changed, the first connecting rod 6 and the second connecting rod 7 constantly rotate around the rotating shafts 17, and the distance between the two rotating shafts 17 is constantly changed, so that the spring 13 continuously extends and retracts, and the elastic force of the spring 13 determines the buffering and damping force of the buffer mechanism; when the rod of the spring 13 is not easy to deform in a telescopic way, namely the compression or stretching degree of the spring 13 is large, the buffer mechanism is not easy to deform, so that the connection relation between the inner shell 2 and the outer shell 1 is close to rigid connection, and the buffer damping effect of the buffer mechanism is general but the inner shell 2 is stable; when the rod of the spring 13 is easy to deform in a telescopic way, namely the compression or stretching degree of the spring 13 is small, the buffer mechanism is also easy to deform, so that the connection elasticity between the inner shell 2 and the outer shell 1 is large, the buffer damping effect of the buffer mechanism is good, but the inner shell 2 is unstable and is easy to shake in the outer shell 1, and the fan 3 is damaged;

when the fan 3 is increased along with the vibration amplitude, a user can hold the sleeve 14 with one hand, the sleeve 14 is rotated with the other hand, two threaded rods 12 are far away from or close to each other, the distance from the end part of the threaded rod 12 to the rotating shaft 17 is changed, the compression or stretching degree of the spring 13 is reduced, the elasticity of the buffer mechanism is increased, vibration with larger amplitude can be buffered, but the vibration cannot be adjusted for many degrees, the larger the elasticity of the buffer mechanism is, the more the inner shell 2 is easy to shake, the more the user needs to adjust the elasticity of the buffer mechanism to a state matched with the vibration amplitude of the fan 3, and the shake of the inner shell 2 is reduced as much as possible while the best noise reduction.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A computer noise reduction device comprises an outer shell (1) and an inner shell (2) used for fixedly mounting a fan (3), and is characterized in that the outer shell (1) and the inner shell (2) are connected through four groups of buffer mechanisms, each buffer mechanism comprises a sliding block (8) which is slidably mounted on the side wall of the inner shell (2), and two first connecting rods (6) and two second connecting rods (7) which are symmetrically arranged, one side, far away from the inner shell (2), of each sliding block (8) is rotatably connected with the two first connecting rods (6), one end, far away from a first connecting block (9), of each first connecting rod (6) is hinged with the corresponding second connecting rod (7) through a rotating shaft (17), one end, far away from the corresponding first connecting rod (6), of each second connecting rod (7) is rotatably connected with the inner wall of the outer shell (1), and the two rotating shafts (17) are connected through spring (13) rods, spring (13) pole includes two opposite screw thread direction's threaded rod (12) and rotating-tube (11), the symmetry is equipped with two sections screw threads opposite in direction on rotating-tube (11) inner wall, and the threaded sleeve is established on two threaded rod (12) respectively, two the equal fixedly connected with spring (13) of one end that threaded rod (12) kept away from each other, the cover is equipped with lantern ring (18) on pivot (17), the one end and sleeve pipe (14) fixed connection of threaded rod (12) are kept away from in spring (13).

2. The computer noise reduction device according to claim 1, wherein a sliding hole is formed in the sliding block (8), a sliding rod (4) is slidably arranged in the sliding hole, and the sliding rod (4) is fixedly connected with the outer wall of the inner shell (2) through a first fixing block (5).

3. The computer noise reduction device according to claim 1, wherein one end of each of the two threaded rods (12) away from each other is fixedly connected with a second fixing block (16), one of the second fixing blocks (16) is fixedly connected with a sleeve (14), the other second fixing block (16) is fixedly connected with an insertion rod (15), and the insertion rod (15) is movably inserted in the sleeve (14).

4. The computer noise reduction device according to claim 1, wherein two first connecting blocks (9) are symmetrically and fixedly arranged on one side of the sliding block (8) far away from the inner shell (2), and the two first connecting blocks (9) are respectively hinged with the two first connecting rods (6).

5. The computer noise reduction device according to claim 1, wherein two second connection blocks (10) are fixedly arranged on the inner wall of the outer shell (1), and one ends of the two second connection rods (7) far away from the first connection rod (6) are respectively hinged with the two second connection blocks (10).

6. A computer noise reducer according to claim 1, wherein the outer wall of the rotating tube (11) is provided with anti-slip threads.