CN213747556U

CN213747556U - Freeze dryer

Info

Publication number: CN213747556U
Application number: CN202022920430.9U
Authority: CN
Inventors: 方亮; 陈肯
Original assignee: Shanghai Tianfeng Industrial Co ltd
Current assignee: Shanghai Tianfeng Industrial Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-07-20
Anticipated expiration: 2030-12-08

Abstract

The application relates to a freeze dryer body, it includes the freeze dryer body, and damper is installed to freeze dryer body bottom, and damper includes vibration damping mount, shock attenuation board and shock pad, and inside cavity of vibration damping mount and one end are uncovered, and the shock attenuation board is placed at the vibration damping mount opening end, and the shock pad is located between shock attenuation board and the vibration damping mount, and the freeze dryer body is installed on the shock attenuation board. This application has and improves the freeze dryer body and can produce vibrations at the during operation, causes the effect that equipment and box inner wall striking and damage in the case.

Description

Freeze dryer

Technical Field

The application relates to the field of laboratory equipment, in particular to a freeze dryer.

Background

The freeze dryer is used for cooling and freezing a substance containing a large amount of moisture into a solid in advance, and then directly subliming the moisture from the solid into a gas state under a vacuum condition to separate the moisture from the material. Under the production condition, the easily oxidized, volatile and heat-sensitive substances can be preserved, the harmful effects of bacteria and enzyme can be inhibited, and the biological and chemical structures and the activity of the product can be well reserved.

The invention patent application with application publication number CN101025329A discloses a freeze dryer, which comprises a box body, a freezing unit, a vacuum pump and a heating plate, wherein the freezing unit is provided with a compressor, a heat exchanger, an expansion valve and an evaporator, the heating plate is arranged at the front part of a freeze dryer body, and the evaporator of the freezing unit is arranged at the rear part of the freeze dryer body.

In view of the above-mentioned related art, the inventor believes that the freeze dryer may vibrate during operation, causing the possibility of damage due to the collision between the equipment inside the box and the inner wall of the box.

SUMMERY OF THE UTILITY MODEL

In order to solve the possibility that equipment in the box is damaged by impacting the inner wall of the box body, the application provides a freeze dryer.

The application provides a freeze dryer adopts following technical scheme:

the utility model provides a freeze dryer, includes the freeze dryer body, damper is installed to freeze dryer body bottom, damper includes vibration damping mount, shock attenuation board and shock pad, inside cavity of vibration damping mount and one end are uncovered, the shock attenuation board is placed at the vibration damping mount opening end, the shock pad is located between shock attenuation board and the vibration damping mount, the freeze dryer body is installed on the shock attenuation board.

Through adopting above-mentioned technical scheme, when freeze dryer body during operation, the possibility of freeze dryer body vibrations can appear, consequently, install the shock pad in inside hollow vibration damping mount, place a shock attenuation board on the shock pad, the user puts the freeze dryer body on the shock attenuation board, when the freeze dryer body at the during operation, because the freeze dryer body can produce vibrations, freeze dryer body extrusion shock attenuation board, make the shock pad do the repetitive movement, thereby it can produce vibrations to reduce the freeze dryer body at the during operation, cause the incasement equipment and the box inner wall striking and the possibility of damaging.

Optionally, be provided with the holding tank in the shock pad, install damping spring in the holding tank, damping spring one end and shock attenuation board fixed connection, damping spring other end fixed connection keeps away from freeze-dryer body one side at vibration damping mount.

Through adopting above-mentioned technical scheme, when freeze dryer body during operation, the freeze dryer body produces vibrations and extrudees the shock attenuation board to shock attenuation board extrusion damping spring makes damping spring do the repetitive motion, plays a multiple absorbing effect, further reduces because of the freeze dryer body vibrations cause the possibility of in-box equipment and box inner wall striking damage.

Optionally, install the guide bar in the holding tank, the freeze-dryer body one end is kept away from to the guide bar and is fixed with vibration damping mount, the guide bar other end wears to establish in proper order at damping plate and freeze-dryer body diapire and can slide, the damping spring cover is established on the guide bar.

Through adopting above-mentioned technical scheme, when the shock attenuation board because vibrations remove, because damping spring can only reciprocate along the guide bar, when reducing extrusion damping spring, damping spring is extruded the easy possibility of warping.

Optionally, the damping plate has a limiting groove axially formed along the guide rod, the guide rod is provided with a limiting post, and the limiting post is slidably connected in the limiting groove.

Through adopting above-mentioned technical scheme, when the freeze dryer body produces the vibrations and feels, spacing post slides in the spacing inslot, reduces because of the too big possibility that spacing post drops from freeze dryer body bottom of vibrations.

Optionally, the damping mechanism is provided with a protection mechanism, the protection mechanism comprises a baffle, and the baffle is arranged along the circumferential direction of the damping base.

Through adopting above-mentioned technical scheme, set up the baffle in vibration damping mount circumference, remove the possibility of roll-off damper plate when reducing freeze dryer body vibrations.

Optionally, the vibration damping base is provided with a sealing ring along the circumferential direction, and the sealing ring is positioned on one side of the baffle plate facing the freeze dryer body.

Through adopting above-mentioned technical scheme, set up the sealing washer between baffle and freeze dryer body to reduce the possibility of the shock with the baffle when the freeze dryer body shakes.

Optionally, one end of the sealing ring, which is far away from the damping plate, and one side of the sealing ring, which is close to the freeze dryer body, are gradually thinned into an inclined plane.

Through adopting above-mentioned technical scheme, the user of being convenient for inserts the sealing washer with the freeze dryer body to the joint is on vibration damping mount.

Optionally, at least two self-locking universal wheels are arranged on one side, away from the freeze dryer body, of the damping base.

Through adopting above-mentioned technical scheme, can be according to regional change, the user of being convenient for promotes the freeze dryer body and removes.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the freeze dryer body works, the freeze dryer body can generate slight vibration and extrude the damping plate to enable the damping pad to move repeatedly, so that the possibility that equipment in the box is damaged due to collision with the inner wall of the box body caused by vibration of the freeze dryer body is reduced;

2. the containing groove is formed in the shock pad and used for installing the shock absorption spring, so that when the freeze dryer body works, the freeze dryer body extrudes the shock absorption plate and further compresses the shock absorption spring to enable the shock absorption spring to move repeatedly, the effect of multiple shock absorption is achieved, and the possibility that the equipment in the box is impacted and damaged with the inner wall of the box body due to the vibration of the freeze dryer body is further reduced;

3. through set up the baffle on vibration damping mount, reduce the freeze dryer during operation, the freeze dryer body vibrations and remove the possibility of roll-off damper plate.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a freeze dryer according to an embodiment of the present application;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 2.

Description of reference numerals: 1. a freeze dryer body; 11. a chute; 2. a damping mechanism; 21. a damping mount; 22. a damper plate; 221. a limiting groove; 222. a through hole; 23. a shock pad; 231. accommodating grooves; 24. a damping spring; 25. a guide bar; 251. a limiting column; 3. a protection mechanism; 31. a baffle plate; 32. a seal ring; 4. self-locking universal wheel.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a freeze dryer. Referring to fig. 1, the freeze dryer includes freeze dryer body 1, damper 2 and protection machanism 3, and protection machanism 3 installs and is close to 1 one side of freeze dryer body in 2 circumference of damper, and damper 2 installs at 1 diapire of freeze dryer body to reduce freeze dryer body 1 and can produce vibrations at the during operation, and cause the possibility of incasement equipment and box inner wall striking damage.

Referring to fig. 1, the freeze dryer body 1 may be a TF-FD-18 capping type freeze dryer for biotech product experiments.

Referring to fig. 2, the damper mechanism 2 includes a damper base 21, a damper plate 22, a damper pad 23, a damper spring 24, and a guide rod 25, the damper base 21 is a rectangular parallelepiped with a hollow interior and an open end, the damper pad 23 is filled in the damper base 21, and the damper pad 23 is a rubber pad and can absorb energy of vibration. Damping plate 22 lays in shock pad 23 and is close to freeze-dryer body 1 one side, and damping plate 22 is the rectangular plate, and damping plate 22 is located the 21 opening end of vibration damping mount to with freeze-dryer body 1 looks adaptation for install freeze-dryer body 1. When the freeze dryer body 1 works to generate vibration, the freeze dryer body 1 extrudes the damping plate 22, and then compresses the damping pad 23 below the damping plate 22, so that the damping pad 23 moves repeatedly, and the damping effect is realized.

Referring to fig. 2 and 3, three identical vertical receiving grooves 231 are formed in the cushion 23, the receiving grooves 231 can be two, four, etc., the guide rod 25 is cylindrical, and one section of the guide rod 25 is inserted into the receiving groove 231. Guide bar 25 one end welding is kept away from 1 one end of freeze dryer body at holding tank 231, and through-hole 222 has been seted up to damper plate 22, and spout 11 has been seted up along guide bar 25 axial in 1 bottom of freeze dryer body, and it is uncovered that spout 11 is close to damper plate 22 one end, and the diameter looks adaptation of 11 apertures in spout and guide bar 25, through-

hole

222 and 11 intercommunications in spout, and guide bar 25 is close to damper plate 22 one end and passes through-hole 222 sliding connection in spout 11. When the freeze dryer body 1 is in a static state, one end of the guide rod 25 close to the damping plate 22 is just flush with one side of the damping plate 22 close to the freeze dryer body 1. In order to reduce the possibility that the guide rod 25 slips from the through hole 222, the damping plate 22 is provided with a limiting groove 221 along the axial direction of the guide rod 25, the limiting groove 221 is communicated with the through hole 222, and a limiting column 251 is welded on the side wall of the guide rod 25, so that the limiting column 251 is connected in the limiting groove 221 in a sliding manner, and the possibility that the guide rod 25 slips from the through hole 222 is reduced.

Damping spring 24 cover is established outside guide bar 25, and be located holding tank 231, 1 one end of freeze dryer body is kept away from to damping spring 24 one end welding in holding tank 231, the damping spring 24 other end bonds on damping plate 22, when freeze dryer body 1 begins work, extrusion damping plate 22 during 1 vibrations of freeze dryer body, guide bar 25 reciprocates in spout 11, and then compression damping spring 24, make damping spring 24 do the repetitive motion, realize multiple shock attenuation, further reduce because of 1 vibrations of freeze dryer body cause in the box equipment with the box inner wall striking and the possibility of damaging.

Referring to fig. 2, in order to facilitate the pushing of the freeze dryer body 1 by the user, the self-locking universal wheels 4 are arranged on one side of the damping base 21 away from the freeze dryer body 1, the self-locking universal wheels 4 are arranged to be four, and the balance of the freeze dryer body 1 is further increased when the freeze dryer body 1 works.

Referring to fig. 2, the protection mechanism 3 includes a baffle 31 and a sealing ring 32, the baffle 31 is a rectangular plate, and the baffle 31 is welded on the peripheral wall of the damping base 21 near one side of the freeze dryer body 1, so as to reduce the possibility that the baffle moves to slide out of the damping plate 22 when the freeze dryer body 1 vibrates. Simultaneously, sealing washer 32 bonds in baffle 31 and near 1 one side of freeze dryer body for reduce the possibility of 1 vibrations of freeze dryer body when bumping with baffle 31, sealing washer 32 keeps away from shock attenuation board 22 one end, is close to 1 one side of freeze dryer and thins gradually for the inclined plane, and convenient to use personnel installs freeze dryer body 1.

The implementation principle of a freeze dryer in the embodiment of the application is as follows: a user starts a power supply, the freeze dryer body 1 starts to work, and the freeze dryer body 1 can generate vibration sense when working, so that the freeze dryer body 1 extrudes the damping plate 22, and then the damping pad 23 below the damping plate 22 moves repeatedly, and the damping effect is realized; meanwhile, when the freeze dryer body 1 extrudes the damping plate 22, the guide rod 25 moves up and down in the chute 11, so that the damping spring 24 moves repeatedly, multiple damping is realized, and the possibility that the equipment in the box is damaged by impact with the inner wall of the box due to the fact that the freeze dryer body 1 can vibrate during operation is reduced.

When the freeze dryer body works, the baffle 31 and the sealing ring 32 are tightly abutted to the freeze dryer body 1, so that the possibility that the freeze dryer body 1 shakes to slide out of the damping plate 22 during working is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A freeze dryer, includes freeze dryer body (1), its characterized in that: damper (2) are installed to freeze-dryer body (1) bottom, damper (2) include vibration damping mount (21), shock attenuation board (22) and shock pad (23), inside cavity of vibration damping mount (21) and one end are uncovered, shock attenuation board (22) are placed at vibration damping mount (21) opening end, shock pad (23) are located between shock attenuation board (22) and vibration damping mount (21), install on shock attenuation board (22) freeze-dryer body (1).

2. A freeze dryer according to claim 1, wherein: be provided with holding tank (231) in shock pad (23), install damping spring (24) in holding tank (231), damping spring (24) one end and shock attenuation board (22) fixed connection, damping spring (24) other end fixed connection keeps away from freeze dryer body (1) one side in vibration damping mount (21).

3. A freeze dryer according to claim 2, wherein: install guide bar (25) in holding tank (231), freeze dryer body (1) one end is kept away from in guide bar (25) and vibration damping mount (21) is fixed, wear to establish in proper order at damping plate (22) and freeze dryer body (1) diapire and can slide guide bar (25) other end, damping spring (24) cover is established on guide bar (25).

4. A freeze dryer according to claim 1, wherein: the damping plate (22) is provided with a limiting groove (221) along the axial direction of the guide rod (25), a limiting column (251) is arranged on the guide rod (25), and the limiting column (251) is connected in the limiting groove (221) in a sliding mode.

5. A freeze dryer according to claim 1, wherein: install protection machanism (3) on damper (2), protection machanism (3) are including baffle (31), baffle (31) set up along vibration damping mount (21) circumference.

6. A freeze dryer according to claim 5, wherein: damping base (21) are installed sealing washer (32) along circumference, sealing washer (32) are located baffle (31) and are faced freeze dryer body (1) one side.

7. A freeze dryer according to claim 6, wherein: the sealing ring (32) is far away from one end of the damping plate (22) and becomes a slope gradually thinner on one side close to the freeze dryer body (1).

8. A freeze dryer according to claim 1, wherein: and one side of the damping base (21), which is far away from the freeze dryer body (1), is provided with at least two self-locking universal wheels (4).