CN212791423U

CN212791423U - Desk-top centrifuge with stabilizing base

Info

Publication number: CN212791423U
Application number: CN202021148885.7U
Authority: CN
Inventors: 陈大浩; 孟帅; 徐传勇
Original assignee: Shandong University of Science and Technology
Current assignee: Shandong University of Science and Technology
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-03-26
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a desktop centrifuge with a stable base, which comprises a base, a support plate is arranged on the base, the support plate is connected in the base through a buffer mechanism, and the buffer mechanism comprises a fixed rod, a shock-absorbing spring A, a shock-absorbing spring B. Connecting seat A, connecting rod, connecting seat B and connecting shaft, a fixing mechanism is arranged on the support plate, and the fixing mechanism includes a support column, a fixing seat, a telescopic spring, a telescopic guide column, a connecting block, a clamping block, a push-pull rod and a pull-pull rod. ring, the clamping block extends through the fixing base to the outside of the fixing base and is inserted into the centrifuge casing. In the desktop centrifuge with a stable base of the utility model, the centrifuge casing can be firmly fixed on the support plate through the fixing mechanism, so that the centrifuge casing is fixed firmly, is not easy to fall off and has good stability, and the centrifuge is buffered by the buffer mechanism The vibration of the shell makes the centrifuge shell always work in a stable state, with high safety and will not affect the quality and efficiency of centrifugal deliquoring of materials.

Description

Desk-top centrifuge with stabilizing base

Technical Field

The utility model relates to a desk-top centrifuge technical field specifically is a desk-top centrifuge with stabilizing base.

Background

Centrifuges are machines that utilize centrifugal force to separate components of a mixture of liquid and solid particles or liquid and liquid. The centrifuge is mainly used for separating solid particles from liquid in suspension, or separating two liquids which have different densities and are insoluble with each other in emulsion (for example, cream is separated from milk); it can also be used to remove liquids from wet solids, such as by spin drying clothes in a washing machine; the special overspeed tubular separator can also separate gas mixtures with different densities; some settling centrifuges can also grade solid particles according to density or granularity by utilizing the characteristic that solid particles with different densities or granularities have different settling speeds in liquid.

Desk-top centrifuge during operation because desk-top centrifuge is often in high-speed rotation state, consequently, can produce vibration and noise, poor stability has certain potential safety hazard and can influence the quality and the efficiency of material centrifugation deliquoring.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a desk-top centrifuge with stabilizing base, stability is good, and the security is high and can not influence the material centrifugation and take off the quality and the efficiency of liquid to solved among the prior art poor stability, there is certain potential safety hazard and can influence the material centrifugation and take off the quality and the problem of efficiency of liquid.

In order to achieve the above object, the utility model provides a following technical scheme: a table centrifuge with a stable base comprises a base, wherein a supporting plate is arranged on the base and connected in the base through a buffer mechanism, the buffer mechanism comprises a fixed rod, a damping spring A, a damping spring B, a connecting seat A, a connecting rod, a connecting seat B and a connecting shaft, the fixed rod is installed on the inner wall of the base, the damping spring A and the damping spring B are installed on the fixed rod, two ends of the damping spring A are connected to the connecting seat A installed on the fixed rod, the connecting seat A is installed on the inner wall of the base through the damping spring B, the connecting seat A is movably connected with the connecting rod through the connecting shaft, the connecting rod is also movably connected with the connecting seat B through the connecting shaft, and the connecting seat B is installed on the supporting plate; be provided with fixed establishment in the backup pad, fixed establishment includes support column, fixing base, expanding spring, flexible guide post, connecting block, fixture block, push-and-pull rod and pull ring, the support column is installed in the backup pad, the fixing base is installed to the upper end of support column, the inboard of fixing base is provided with the connecting block, the connecting block passes through expanding spring and flexible guide post and installs on the inner wall of fixing base, install the fixture block on the connecting block, the fixture block passes in the outside that the fixing base extends to the fixing base inserts centrifugal casing.

Preferably, the connecting block is further provided with a push-pull rod, and the push-pull rod penetrates through the fixed seat and extends to the outer side of the fixed seat to be connected with a pull ring.

Preferably, the pull ring is fixed through a limiting mechanism.

Preferably, stop gear includes L type frame, screw rod and inserted bar, L type frame is installed on the fixing base, L type frame threaded connection has the screw rod, the inserted bar is installed through the connecting piece to the lower extreme of screw rod, the inserted bar can insert in the pull ring.

Preferably, the inserted rod is of a cylindrical structure, and the diameter of the inserted rod is the same as the inner diameter of the pull ring.

Preferably, the upper end of the screw rod is provided with a handle, and the handle is provided with an anti-slip sleeve.

Preferably, the supporting plate is of a convex structure, and the base is provided with a guide groove for vertical movement of the supporting plate.

Preferably, the base is provided with a containing groove for containing the buffer mechanism, and the containing groove is communicated with the guide groove.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses a desk-top centrifuge with stabilizing base, it removes and extrudees expanding spring and flexible guide post to drive push-and-pull rod and connecting block through the pull ring, expanding spring and flexible guide post all shrink this moment, accomodate to the fixing base in until the fixture block, place centrifugal machine shell in the backup pad, loosen the pull ring, because expanding spring's reset action makes expanding spring and flexible guide post all extend and promote in the fixture block inserts centrifugal machine shell, pass through the rotatory screw rod of handle this moment, make the screw rod vertically move down and promote the inserted bar and insert in the pull ring on L type frame, carry on spacingly through the inserted bar to the pull ring, prevent that the pull ring from removing and leading to centrifugal machine shell fixed insecure, can be with the firm fixing in the backup pad of centrifugal machine shell through fixed establishment, make centrifugal machine shell fixed firm, be difficult for droing and stability is.

The utility model discloses a desk-top centrifuge with stabilizing base, desk-top centrifuge during operation, desk-top centrifuge makes centrifugal casing and backup pad vibration because high-speed rotation state, and connecting seat B that the backup pad lower extreme is connected this moment drives connecting seat A through the connecting rod and moves on the dead lever, and the vibration that receives of centrifugal casing is cushioned through damping spring A and damping spring B's flexible or tensile, makes centrifugal casing work all the time under stable state, and the security is high and can not influence the quality and the efficiency that the material centrifugation takes off the liquid.

Drawings

FIG. 1 is a cross-sectional view of a table centrifuge with a stabilizing base according to the present invention;

FIG. 2 is an enlarged view of the point A of the present invention;

fig. 3 is a cross-sectional view of fig. 2 of the present invention;

FIG. 4 is a cross-sectional view of the fixing mechanism of the present invention with the insert rod not inserted into the pull ring;

fig. 5 is a top view of the tab of the present invention.

In the figure: 1. a base; 11. a guide groove; 12. a receiving groove; 2. a support plate; 3. a buffer mechanism; 31. fixing the rod; 32. a damping spring A; 33. a damping spring B; 34. a connecting seat A; 35. a connecting rod; 36. a connecting seat B; 37. a connecting shaft; 4. a fixing mechanism; 41. a support pillar; 42. a fixed seat; 43. a tension spring; 44. a telescopic guide post; 45. connecting blocks; 46. a clamping block; 47. a push-pull rod; 48. a pull ring; 5. a centrifuge housing; 6. a limiting mechanism; 61. an L-shaped frame; 62. a screw; 621. a handle; 63. and (4) inserting the rod.

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. 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, a table centrifuge with a stable base comprises a base 1, a support plate 2 is arranged on the base 1, the support plate 2 is in a convex structure, a guide groove 11 for the support plate 2 to move vertically is arranged on the base 1, the support plate 2 is connected in the base 1 through a buffer mechanism 3, an accommodating groove 12 for accommodating the buffer mechanism 3 is arranged on the base 1, the accommodating groove 12 is communicated with the guide groove 11, the buffer mechanism 3 comprises a fixing rod 31, a damping spring a32, a damping spring B33, a connecting seat a34, a connecting rod 35, a connecting seat B36 and a connecting shaft 37, the fixing rod 31 is arranged on the inner wall of the base 1, the fixing rod 31 is provided with a damping spring a32 and a damping spring B33, both ends of the damping spring a32 are connected to a connecting seat a34 arranged on the fixing rod 31, the connecting seat a34 is arranged on the inner wall of the base 1 through a damping spring B33, the connecting seat a, connecting rod 35 still has connecting seat B36 through connecting axle 37 swing joint, connecting seat B36 is installed on backup pad 2, desk-top centrifuge during operation, desk-top centrifuge makes centrifugal casing 5 and backup pad 2 vibration because high-speed rotation state, connecting seat B36 that the backup pad 2 lower extreme is connected this moment drives connecting seat A34 through connecting rod 35 and moves on dead lever 31, the vibration that centrifugal casing 5 received is cushioned through damping spring A32 and damping spring B33's flexible or tensile, make centrifugal casing 5 work under stable state all the time, the security is high and can not influence quality and the efficiency that the material centrifugation was taken off the liquid.

Referring to fig. 2-5, a fixing mechanism 4 is disposed on the supporting plate 2, the fixing mechanism 4 includes a supporting pillar 41, a fixing seat 42, a telescopic spring 43, a telescopic guiding pillar 44, a connecting block 45, a clamping block 46, a push-pull rod 47 and a pull ring 48, the supporting pillar 41 is mounted on the supporting plate 2, the fixing seat 42 is mounted at the upper end of the supporting pillar 41, the connecting block 45 is disposed at the inner side of the fixing seat 42, the connecting block 45 is mounted on the inner wall of the fixing seat 42 through the telescopic spring 43 and the telescopic guiding pillar 44, the clamping block 46 is mounted on the connecting block 45, the clamping block 46 passes through the fixing seat 42 and extends to the outer side of the fixing seat 42 to be inserted into the centrifugal casing 5, the push-pull rod 47 is further mounted on the connecting block 45, the push-pull rod 47 passes through the fixing seat 42 and extends to the, the L-shaped frame 61 is arranged on the fixed seat 42, the L-shaped frame 61 is in threaded connection with a screw rod 62, the upper end of the screw rod 62 is provided with a handle 621, the handle 621 is provided with an anti-skid sleeve, the lower end of the screw rod 62 is provided with an insertion rod 63 through a connecting piece, the insertion rod 63 can be inserted into the pull ring 48, the insertion rod 63 is in a cylindrical structure, the diameter of the insertion rod 63 is the same as the inner diameter of the pull ring 48, the pull ring 48 drives the push-pull rod 47 and the connecting block 45 to move and extrude the expansion spring 43 and the expansion guide column 44, at the moment, the expansion spring 43 and the expansion guide column 44 both contract until the fixture block 46 is accommodated in the fixed seat 42, the centrifugal shell 5 is placed on the supporting plate 2, the pull ring 48 is released, the expansion spring 43 and the expansion guide column 44 both extend due to the reset action of the expansion spring 43 to further push the fixture block 46 to be inserted into the centrifugal shell 5, carry on spacingly through inserted bar 63 to pull ring 48, prevent that pull ring 48 from removing and leading to centrifugal housing 5 fixed insecure, can make centrifugal housing 5 fixed firm, difficult and stable good with firm the fixing in backup pad 2 of centrifugal housing 5 through fixed establishment 4.

The working principle is as follows: the pull ring 48 drives the push-pull rod 47 and the connecting block 45 to move and extrude the telescopic spring 43 and the telescopic guide post 44, at the moment, the telescopic spring 43 and the telescopic guide post 44 are contracted until the clamping block 46 is accommodated in the fixing seat 42, the centrifugal shell 5 is placed on the supporting plate 2, the pull ring 48 is loosened, the telescopic spring 43 and the telescopic guide post 44 are extended due to the reset action of the telescopic spring 43 so as to push the clamping block 46 to be inserted into the centrifugal shell 5, at the moment, the screw rod 62 is rotated through the handle 621, the screw rod 62 vertically moves downwards on the L-shaped frame 61 and pushes the insertion rod 63 to be inserted into the pull ring 48, the pull ring 48 is limited through the insertion rod 63, the centrifugal shell 5 is prevented from being fixed insecurely due to the movement of the pull ring 48, the centrifugal shell 5 can be firmly fixed on the supporting plate 2 through the fixing mechanism 4, the centrifugal shell 5 is firmly fixed, is, desk-top centrifuge makes centrifuge housing 5 and backup pad 2 vibration because high-speed rotation state, and connecting seat B36 that backup pad 2 lower extreme is connected this moment drives connecting seat A34 through connecting rod 35 and moves on dead lever 31, and the vibration that centrifuge housing 5 received is cushioned through the flexible or tensile of damping spring A32 and damping spring B33, makes centrifuge housing 5 work under stable state all the time, and the security is high and can not influence the quality and the efficiency that the material centrifugation was taken off the liquid.

In summary, the following steps: the utility model discloses a desk-top centrifuge with stable base, drive push-and-pull rod 47 and connecting block 45 through pull ring 48 and remove and extrude expanding spring 43 and flexible guide post 44, expanding spring 43 and flexible guide post 44 all shrink at this moment, until fixture block 46 accomodates in fixing base 42, place centrifuge housing 5 on backup pad 2, loosen pull ring 48, because the reset action of expanding spring 43 makes expanding spring 43 and flexible guide post 44 all extend and then promote fixture block 46 to insert in centrifuge housing 5, at this moment, rotate screw rod 62 through handle 621, make screw rod 62 move down and promote inserted bar 63 to insert in pull ring 48 on L type frame 61 vertically, spacing through inserted bar 63 to pull ring 48, prevent that pull ring 48 from removing and leading to centrifuge housing 5 insecure, can fix centrifuge housing 5 on backup pad 2 firmly through fixed establishment 4, make centrifuge housing 5 fixed firmly, it is difficult for droing and stability good, desk-top centrifuge during operation, desk-top centrifuge makes centrifuge housing 5 and backup pad 2 vibration because high-speed rotation state, connecting seat B36 that backup pad 2 lower extreme is connected this moment drives connecting seat A34 through connecting rod 35 and moves on dead lever 31, the vibration that centrifuge housing 5 received is cushioned through damping spring A32 and damping spring B33's flexible or tensile, make centrifuge housing 5 work under stable state all the time, the security is high and can not influence the quality and the efficiency that the liquid was taken off in the material centrifugation.

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. A desktop centrifuge with a stable base, comprising a base (1), characterized in that: a support plate (2) is provided on the base (1), and the support plate (2) passes through a buffer mechanism (3) ) is connected in the base (1), and the buffer mechanism (3) includes a fixing rod (31), a damping spring A (32), a damping spring B (33), a connecting seat A (34), a connecting rod (35) ), a connecting seat B (36) and a connecting shaft (37), the fixing rod (31) is installed on the inner wall of the base (1), and the shock-absorbing spring A (32) and The shock-absorbing spring B (33), both ends of the shock-absorbing spring A (32) are connected to the connecting seat A (34) installed on the fixing rod (31), the connecting seat A (34) The shock spring B (33) is installed on the inner wall of the base (1). The connecting seat A (34) is movably connected with a connecting rod (35) through a connecting shaft (37), and the connecting rod (35) also passes through the connecting shaft. (37) A connecting seat B (36) is movably connected, and the connecting seat B (36) is mounted on the support plate (2); the support plate (2) is provided with a fixing mechanism (4), the fixing mechanism (4) Including a support column (41), a fixed seat (42), a telescopic spring (43), a telescopic guide column (44), a connecting block (45), a clamping block (46), a push-pull rod (47) and a pull ring ( 48), the support column (41) is installed on the support plate (2), the upper end of the support column (41) is installed with a fixing seat (42), and the inner side of the fixing seat (42) is provided with a connecting block ( 45), the connecting block (45) is installed on the inner wall of the fixing seat (42) through the telescopic spring (43) and the telescopic guide column (44), and a clamping block (46) is installed on the connecting block (45), The blocking block (46) extends through the fixing seat (42) to the outer side of the fixing seat (42) and is inserted into the centrifuge casing (5).

2. A desktop centrifuge with a stable base according to claim 1, characterized in that: a push-pull rod (47) is also installed on the connecting block (45), and the push-pull rod (47) passes through The fixing base (42) extends to the outer side of the fixing base (42) and is connected with a pull ring (48).

3 . The desktop centrifuge with a stable base according to claim 2 , wherein the pull ring ( 48 ) is fixed by a limiting mechanism ( 6 ). 4 .

4. A desktop centrifuge with a stable base according to claim 3, characterized in that the limiting mechanism (6) comprises an L-shaped frame (61), a screw (62) and an insert rod (63), The L-shaped frame (61) is mounted on the fixing seat (42), the L-shaped frame (61) is threadedly connected with a screw rod (62), and the lower end of the screw rod (62) is installed with a plug rod (63) through a connecting piece ), the insertion rod (63) can be inserted into the pull ring (48).

5 . The desktop centrifuge with a stable base according to claim 4 , wherein the insertion rod ( 63 ) is a cylindrical structure, and the diameter of the insertion rod ( 63 ) is the same as the diameter of the pull ring ( 48 ). 6 . The inner diameter is the same.

6 . The desktop centrifuge with a stable base according to claim 4 , wherein a handle ( 621 ) is installed on the upper end of the screw rod ( 62 ), and a non-slip sleeve is arranged on the handle ( 621 ). 7 .

7 . A desktop centrifuge with a stable base according to claim 1 , wherein the support plate ( 2 ) is in a convex shape, and the base ( 1 ) is provided with a vertical support plate ( 2 ). 8 . Guide slot (11) for straight movement.

8 . A desktop centrifuge with a stable base according to claim 1 , characterized in that: the base ( 1 ) is provided with a receiving groove ( 12 ) for accommodating the buffer mechanism ( 3 ), and the receiving groove ( 12 ). ) communicates with the guide groove (11).