CN213039746U

CN213039746U - Shock absorption equipment of centrifugal machine

Info

Publication number: CN213039746U
Application number: CN202021055507.4U
Authority: CN
Inventors: 赵立佳
Original assignee: Jiangxi Helishi Medicine Machinery Co ltd
Current assignee: Jiangxi Helishi Medicine Machinery Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-04-23
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a shock absorption device of a centrifugal machine, which comprises an upper seat and a lower seat which are arranged in parallel relatively, wherein a buffer gap is arranged between the upper seat and the lower seat, and a first shock absorption mechanism and a second shock absorption mechanism which are arranged in parallel are arranged at the position of the buffer gap; the first damping mechanism comprises a first damping assembly, the first damping assembly comprises a through slide rod, two slide sleeves are slidably sleeved on the surface of the slide rod, the slide sleeves are rotatably connected with one end of the supporting piece, the other end of the supporting piece is rotatably connected with the upper surface of the lower seat, and an elastic mechanism is further sleeved on the surface of the slide rod; second damper includes crooked shock attenuation billet, slider and second slide bar, and the equal sliding connection second slide bar of two sliders, and wherein, the spout has been seted up on lower surface of seat, and slider sliding connection spout forms two cushion chambers between two sliders and the spout lateral wall, and second slide bar surface cover is equipped with two spring mechanism, compares in prior art, the utility model discloses can be to the effectual shock attenuation of centrifuge to extension centrifuge's life.

Description

Shock absorption equipment of centrifugal machine

Technical Field

The utility model relates to a centrifugal equipment technical field especially involves a centrifuge's shock attenuation equipment.

Background

Biomedical science is an important part of national science research, and in the process of biomedical research, a biological sample needs to be centrifuged at a high speed so as to separate substances in the biological sample, and the high-speed centrifugation is to use a high-speed centrifuge to rotate the sample at a high speed so as to filter and separate substances with different densities.

When the high-speed centrifuge for the existing biomedical test is used, vibration can be generated due to the high-speed rotation of the driving motor inside, and the damage of components and parts can be accelerated in the process of long-term vibration of the centrifuge, so that the service life of the centrifuge is shortened.

Therefore, the utility model discloses a centrifuge's shock attenuation equipment compares in prior art, the utility model discloses can be to the effectual shock attenuation of centrifuge to extension centrifuge's life.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the not enough of prior art, provide a centrifuge's shock attenuation equipment, compare in prior art, the utility model discloses can be to the effectual shock attenuation of centrifuge to extension centrifuge's life.

The utility model discloses a realize through following technical scheme: the shock absorption equipment of the centrifugal machine comprises an upper seat and a lower seat which are arranged in parallel relatively, a buffer gap is arranged between the upper seat and the lower seat, and at least two first shock absorption mechanisms and at least two second shock absorption mechanisms which are arranged in parallel are arranged at the position of the buffer gap; the first damping mechanism comprises a first damping assembly, the first damping assembly comprises a sliding rod fixedly connected with the lower end face of the upper seat through a connecting mechanism, two sliding sleeves are slidably sleeved on the surface of the sliding rod, the side walls of the sliding sleeves are respectively and rotatably connected with one end of a supporting piece, the other end of the supporting piece is rotatably connected with the upper surface of the lower seat, an elastic mechanism is further sleeved on the surface of the sliding rod, and the elastic mechanism is arranged at the position of a gap formed by the two sliding sleeves; second damper includes crooked shock attenuation billet, set up slider and the second slide bar at two terminal surfaces of shock attenuation billet, the equal sliding connection second slide bar of two sliders, wherein, the spout has been seted up on lower surface of seat, the second slide bar is fixed to be set up in spout position department, slider sliding connection spout, form two cushion chambers between two lateral walls of contact second slide bar on two sliders and the spout, second slide bar surface cover is equipped with two spring mechanism, and two spring mechanism set up respectively in two cushion chamber position departments.

The upper seat is provided with a mounting hole, the centrifuge is placed on the upper seat, the support seat of the centrifuge is mounted on the surface of the upper seat through a threaded fastener, when the centrifuge is started, the centrifuge vibrates to be right, the utility model applies acting force to enable the upper seat and the lower seat to have relative motion trend, wherein, a first damping mechanism and a second damping mechanism act on the upper seat together, in the process of downward motion of the upper seat, the angle of the support piece is changed, two sliding sleeves mutually want to be close to each other to do reverse motion, the sliding sleeves compress the elastic mechanism in the moving process, the elastic mechanism can be an elastic spring, the force applied on the upper seat is buffered in the process of compressing the elastic mechanism, the motion distance of the upper seat is reduced, and therefore, the damage to the centrifugal mechanism in the vibration process is reduced;

to second damper, the lower terminal surface of shock attenuation billet top contact seat of honour, support the seat of honour, work as because centrifuge's vibrations, when the seat of honour and the trend of forming relative motion down between the seat, the shock attenuation billet is extruded, deformation takes place, the buffering impact force, tentatively carry out the shock attenuation, and the shock attenuation billet is driven the slider and is moved in the spout by extruded in-process, the slider is at the in-process of motion same to spring mechanism extrusion, make spring mechanism take place deformation, thereby further cushion impact force, reinforcing absorbing effect, thereby prolong centrifuge's life.

Preferably, for further improvement the utility model discloses a absorbing effect, first damper still includes the fixed second damper who sets up at the lower surface of seat, and second damper is including the shell that is provided with the cavity, the inside spring part that is provided with of shell cavity, and the opening has been seted up to shell one end, and the shock attenuation post passes the shell opening, upper and lower sliding connection shell, and when the seat of honour moved for the lower, the spring part was compressed to the adversity is cushioned, has reduced the range of centrifuge's vibrations.

Preferably, the utility model also comprises at least one limiting mechanism which can adjust the damping degree of the utility model, the limiting mechanism comprises a first screw thread piece fixedly arranged on the surface of the lower seat, the first screw thread piece is connected with a second screw thread piece by one end screw thread close to the upper seat, the height of the limiting mechanism can be changed by the relative rotation of the first screw thread piece relative to the loudness of the second screw thread piece, because the limiting mechanism is arranged at the gap position of the upper seat and the lower seat, the distance between the top of the limiting mechanism and the upper seat can be changed by changing the height of the limiting mechanism, the distance is the distance that the upper seat can move, thereby completing the adjustment of the damping degree of the utility model, when the top of the limiting mechanism contacts the upper seat, the upper seat can not move up and down, thereby the utility model has no damping function any more, the user can judge according to the actual vibration condition of the centrifuge, it is determined whether shock absorption is required.

Preferably, under the condition that a damping function is not needed, the free end of the second threaded part is connected with the lower end face of the upper seat, the second threaded part is prevented from rotating under the pressure applied by the upper seat, so that the height of the limiting mechanism is changed, the upper seat has a distance capable of moving downwards, the side wall of the second threaded part is provided with at least one limiting plate provided with a limiting hole, and a limiting threaded hole is correspondingly formed in one end, close to the limiting mechanism, of the upper seat and in the position of the limiting hole; the limiting plate is fixedly connected with the lower seat through a bolt which penetrates through the limiting hole and is in threaded connection with the limiting threaded hole.

Preferably, in order to reduce the upper seat and produce wearing and tearing at the second screw member of shock attenuation in-process striking, the one end that the second screw member is close to the upper seat is provided with the rubber layer, and the rubber layer all protects upper seat and second screw member, and spacing mechanism sets up in the corner of lower seat.

The utility model discloses a centrifuge's shock attenuation equipment compares with prior art:

one of the two damping mechanisms can effectively damp the centrifugal machine, so that the service life of the centrifugal machine is prolonged, the first damping mechanism and the second damping mechanism jointly act on the upper seat, in the downward movement process of the upper seat, the angle of the supporting piece is changed, the two sliding sleeves mutually want to be close to each other and do reverse movement, the sliding sleeves compress the elastic mechanism in the moving process, the elastic mechanism can be an elastic spring, the force applied to the upper seat is buffered in the compression process of the elastic mechanism, the movement distance of the upper seat is reduced, and therefore the damage to the centrifugal mechanism in the vibration process is reduced; for the second damping mechanism, the top of the damping steel bar is in contact with the lower end face of the upper seat to support the upper seat, when relative motion trend is formed between the upper seat and the lower seat due to vibration of the centrifuge, the damping steel bar is extruded to generate deformation and buffer impact force, and primary damping is performed, the damping steel bar drives the sliding block to move in the sliding groove in the extruded process, and the sliding block also extrudes the spring mechanism in the moving process to enable the spring mechanism to generate deformation, so that the impact force is further buffered, the damping effect is enhanced, and the service life of the centrifuge is prolonged;

secondly, the damping degree of the utility model can be adjusted, the limiting mechanism can adjust the damping degree of the utility model, the limiting mechanism comprises a first screw thread piece fixedly arranged on the surface of the lower seat, one end of the first screw thread piece close to the upper seat is connected with a second screw thread piece in a threaded way, the relative rotation mode of the first screw thread piece relative to the loudness of the second screw thread piece can be realized, the height of the limiting mechanism is changed, because the limiting mechanism is arranged at the clearance position of the upper seat and the lower seat, the distance between the top of the limiting mechanism and the upper seat can be changed by changing the height of the limiting mechanism, the distance is the movable distance of the upper seat, thereby the adjusting of the damping degree of the utility model is completed, when the top of the limiting mechanism contacts the upper seat, the upper seat can not move up and down, thereby the utility model no longer has the damping function, the user can judge according to the actual vibration condition of the centrifuge, it is determined whether shock absorption is required.

Drawings

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

FIG. 2 is a schematic structural view of a first damping mechanism of the present invention;

FIG. 3 is a schematic structural view of a second damping mechanism of the present invention;

FIG. 4 is a schematic structural view of a second damping assembly of the present invention;

fig. 5 is a schematic structural view of the middle limiting mechanism of the present invention.

Detailed Description

The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

The utility model discloses a shock attenuation equipment of centrifuge, as shown in figure 1, including relative parallel arrangement's seat of honour 1 and lower 2, be provided with the buffering clearance between seat of honour 1 and the lower 2, buffering clearance position department is provided with two at least parallel arrangement's first damper 3 and two at least second damper 5.

As shown in fig. 2, the first damping mechanism 3 includes a first damping assembly 31, the first damping assembly 31 includes a sliding rod 311 fixedly connected to the lower end surface of the upper seat 1 through a connecting mechanism, a sliding sleeve 313 is slidably sleeved on the surface of the sliding rod 311, the side walls of the sliding sleeve 313 are respectively rotatably connected to one end of a supporting member 312, the other end of the supporting member 312 is rotatably connected to the upper surface of the lower seat 2, an elastic mechanism 314 is further sleeved on the surface of the sliding rod 311, and the elastic mechanism 314 is disposed at a position of a gap formed by the two sliding sleeves 313.

As shown in fig. 3, the second damping mechanism 5 includes a curved damping steel bar 54, a sliding block 53 and a second sliding rod 52 disposed on two end faces of the damping steel bar 54, the two sliding blocks 53 are both slidably connected to the second sliding rod 52, wherein a sliding slot is disposed on a surface of the lower seat 2, the second sliding rod 52 is fixedly disposed at a position of the sliding slot, the sliding block 53 is slidably connected to the sliding slot, two buffer cavities are formed between two side walls of the two sliding blocks 53 and the sliding slot, which are in contact with the second sliding rod 52, two spring mechanisms 51 are sleeved on a surface of the second sliding rod 52, and the two spring mechanisms 51 are disposed at positions of the two buffer cavities respectively.

The upper seat 1 is provided with a mounting hole 11, the centrifuge is placed on the upper seat 1, and the support seat of the centrifuge is installed on the surface of the upper seat 1 through a threaded fastener, when the centrifuge is started, the centrifuge vibrates to apply acting force to the utility model, so that the upper seat 1 and the lower seat 2 have relative motion trend, wherein, the first damping mechanism 3 and the second damping mechanism 5 act on the upper seat 1 together, in the process of the downward motion of the upper seat 1, the angle of the support piece 312 changes, the two sliding sleeves 313 want to approach each other to do reverse motion, the sliding sleeves 313 compress the elastic mechanism 314 in the moving process, the elastic mechanism 314 can be an elastic spring, in the process of compressing the elastic mechanism 314, the force applied on the upper seat 1 is buffered, the motion distance of the upper seat 1 is reduced, thereby reducing the damage to the centrifugal mechanism 5 in the vibration process, for the second damping mechanism 5, shock attenuation billet 54 top contact seat of honour 1's lower terminal surface, support seat of honour 1, when because centrifuge's vibrations, when seat of honour 1 and the trend of forming relative motion down between the seat 2, shock attenuation billet 54 is extruded, take place deformation, the buffering impact force, tentatively carry out the shock attenuation, and shock attenuation billet 54 drives slider 53 and moves in the spout by extruded in-process, slider 53 extrudees spring mechanism 51 at the in-process of motion equally, make spring mechanism 51 take place deformation, thereby further cushion impact force, reinforcing absorbing effect, thereby prolong centrifuge's life.

Further, for improving the utility model discloses a absorbing effect, first damper 3 is still including fixed second damper 32 that sets up on lower seat 2 surface, as shown in fig. 4, second damper 32 is including being provided with the shell 322 of cavity, the inside spring part 323 that is provided with of shell cavity, the opening has been seted up to shell 322 one end, and shock attenuation post 321 passes shell 322 opening, upper and lower sliding connection shell 322, when seat of honour 1 is for lower seat 2 motion, spring part 323 is compressed, thereby cushion the power, the range of centrifuge's vibrations has been reduced.

As shown in FIG. 5, the utility model also comprises four position-limiting mechanisms 4, the position-limiting mechanisms 4 can adjust the degree of shock absorption of the utility model, the position-limiting mechanisms 4 comprise first screw members 42 fixedly arranged on the surface of the lower seat 2, one end of the first screw member 42 close to the upper seat 1 is connected with the second screw member 41 in a threaded manner, the height of the position-limiting mechanism 4 can be changed in a manner that the first screw member 42 rotates relatively to the loudness of the second screw member 41, because the position-limiting mechanism 4 is arranged at the gap position of the upper seat 1 and the lower seat 2, the distance between the top of the position-limiting mechanism 4 and the upper seat 1 can be changed by changing the height of the position-limiting mechanism 4, the distance is the distance that the upper seat 1 can move, thereby completing the adjustment of the degree of shock absorption of the utility model, when the top of the position-limiting mechanism 4 contacts the upper seat 1, the upper seat 1 can not move, thereby the utility model discloses no longer possess absorbing function, the user can judge according to centrifuge's the actual vibrations condition, whether the definite shock attenuation that needs.

Under the condition that the damping function is not needed, the free end of the second threaded part 41 is connected with the lower end face of the upper seat 1, the second threaded part 41 is prevented from rotating under the pressure applied by the upper seat 1, so that the height of the limiting mechanism 4 is changed, the upper seat 1 has a distance capable of moving downwards, the side wall of the second threaded part 41 is provided with at least one limiting plate 43 provided with a limiting hole 431, and a position, close to the limiting mechanism 4, of one end of the upper seat 1 and the position of the limiting hole 431 are correspondingly provided with limiting threaded holes; the limit plate 43 is fixedly connected with the lower seat 2 through a bolt which penetrates through the limit hole 431 and is in threaded connection with the limit threaded hole.

Further, in order to reduce the abrasion of the upper seat 1 caused by the impact on the second threaded member 41 in the shock absorption process, a rubber layer is arranged at one end of the second threaded member 41 close to the upper seat 1, the rubber layer protects both the upper seat 1 and the second threaded member 41, and the limiting mechanism 4 is arranged at the corner of the lower seat 2.

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 design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The shock absorption equipment of the centrifugal machine is characterized by comprising an upper seat (1) and a lower seat (2) which are arranged in parallel relatively, wherein a buffer gap is arranged between the upper seat (1) and the lower seat (2), and at least two first shock absorption mechanisms (3) and at least two second shock absorption mechanisms (5) which are arranged in parallel are arranged at the position of the buffer gap;

the first damping mechanism (3) comprises a first damping component (31), the first damping component (31) comprises a sliding rod (311) fixedly connected with the lower end face of the upper seat (1) through a connecting mechanism, two sliding sleeves (313) are slidably sleeved on the surface of the sliding rod (311), the side walls of the sliding sleeves (313) are respectively rotatably connected with one end of a supporting piece (312), the other end of the supporting piece (312) is rotatably connected with the upper surface of the lower seat (2), an elastic mechanism (314) is further sleeved on the surface of the sliding rod (311), and the elastic mechanism (314) is arranged at the position of a gap formed by the two sliding sleeves (313);

second damper (5) are including crooked shock attenuation billet (54), set up slider (53) and second slide bar (52) at two terminal surfaces of shock attenuation billet (54), two equal sliding connection in slider (53) second slide bar (52), wherein, the spout has been seted up on lower seat (2) surface, second slide bar (52) are fixed to be set up in spout position department, slider (53) sliding connection the spout, two slider (53) with form two cushion chambers on the spout between two lateral walls of contact second slide bar (52), second slide bar (52) surface cover is equipped with two spring mechanism (51), and two spring mechanism (51) set up respectively in two cushion chamber position departments.

2. The shock absorption device of the centrifuge as claimed in claim 1, wherein the first shock absorption mechanism (3) further comprises a second shock absorption assembly (32) fixedly arranged on the surface of the lower base (2), the second shock absorption assembly (32) comprises a housing (322) provided with a cavity, a spring member (323) is arranged in the cavity of the housing, one end of the housing (322) is provided with a notch, and the shock absorption column (321) penetrates through the notch of the housing (322) and is connected with the housing (322) in a vertically sliding manner.

3. A shock-absorbing device of a centrifuge as claimed in claim 1, further comprising at least one limiting mechanism (4), wherein said limiting mechanism (4) comprises a first screw member (42) fixedly arranged on the surface of the lower seat (2), and one end of said first screw member (42) close to the upper seat (1) is screwed with a second screw member (41).

4. The vibration absorption device of the centrifuge as claimed in claim 3, wherein the side wall of the second screw member (41) is provided with at least one limit plate (43) with a limit hole (431), and one end of the upper seat (1) close to the limit mechanism (4) is provided with a limit screw hole corresponding to the position of the limit hole (431);

the limiting plate (43) is fixedly connected with the lower seat (2) through a bolt penetrating through a limiting hole (431) and in threaded connection with the limiting threaded hole.

5. A shock-absorbing device of a centrifuge according to claim 3, wherein one end of said second screw member (41) near said upper seat (1) is provided with a rubber layer.

6. A shock-absorbing device of a centrifuge according to claim 3, wherein said stop means (4) are provided at the corners of said lower seat (2).