CN220277276U

CN220277276U - High-speed micro-centrifuge

Info

Publication number: CN220277276U
Application number: CN202322085342.5U
Authority: CN
Inventors: 郭雷; 佟辉; 赵楠
Original assignee: Dalong Xingchuang Experimental Instrument Beijing Co ltd
Current assignee: Dalong Xingchuang Experimental Instrument Beijing Co ltd
Priority date: 2023-08-04
Filing date: 2023-08-04
Publication date: 2024-01-02
Anticipated expiration: 2033-08-04

Abstract

The utility model discloses a high-speed micro-centrifuge, which comprises a base, wherein a centrifuge shell is fixedly connected to the base, an upper cover is hinged to the upper end of the centrifuge shell, a centrifugal component is arranged in the middle of the base, a cylindrical switch key installation part extending outwards is arranged in the center of the front surface of the centrifuge shell, a knob type switch component is installed on the switch key installation part, one end of the knob type switch component is fixedly connected with an encoder in the centrifuge shell, a display component is fixedly connected to the other end of the knob type switch component, and a key switch support is arranged at one end of the base close to the switch key installation part. This application is in the same place display screen, rotational speed regulation button/knob, start stop the button combination, and less independent button's setting can effectively prevent that operating personnel from touching the button by mistake, and this application is equipped with centrifuge scram subassembly simultaneously, when the upper cover of the centrifuge of start-up is opened by mistake, can automatic scram, hoisting device's security.

Description

High-speed micro-centrifuge

Technical Field

The utility model relates to the technical field of microcentrifuges, in particular to a high-speed microcentrifuge.

Background

Microcentrifuge is a type of centrifugal device used in laboratory and medical research to rapidly separate suspended substances or sediments from small samples. Microcentrifuges are generally characterized by small volumes, high speeds, and high precision compared to conventional large centrifuges.

At present, a display screen is independently arranged on the front surface of the shell of most micro centrifuges to be matched with various independent key switches for regulating and controlling work, such as a power switch, a start key, a speed regulating key or knob, a time regulating key or knob, a scram switch and the like. The excessive key switches easily cause the false touch, and simultaneously the panel space occupied by the excessive keys and a display screen which is independently arranged is large, so that the small-size optimization of the micro-centrifuge is unfavorable, in addition, the upper cover of the micro-centrifuge is not firmly closed or loosened, and the micro-centrifuge cannot automatically stop suddenly when the upper cover is shaken off, so that the safety is not high.

Disclosure of Invention

In view of the above technical problems in the related art, the present utility model provides a high-speed microcentrifuge, which can solve the above problems.

In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:

the utility model provides a high-speed micro centrifuge, includes the base, fixedly connected with centrifuge shell body on the base, the upper end of centrifuge shell body articulates there is the upper cover, the middle part of base is equipped with centrifugal component, the positive center of centrifuge shell body is equipped with the switch key installation department of the cylinder that outwards stretches out, switch key installation department installs knob formula switch module, knob formula switch module's one end with be located encoder fixed connection in the centrifuge shell body, other end fixedly connected with display module, the base is close to the one end of switch key installation department is equipped with the key switch support, the base is kept away from the one end of switch key installation department is equipped with the drive plate subassembly, the positive both sides of key switch support are equipped with rotational speed button and time button respectively, the upper end swing joint of key switch support is used for locking the upper cover shift knob of upper cover, the positive center of key switch support is equipped with opens and stops the button, one side on the base still is equipped with a centrifuge scram subassembly.

Furthermore, the upper cover is made of transparent materials.

Further, the knob type switch assembly comprises a knob outer shell and a knob inner shell, the knob outer shell comprises a first cylinder portion and a second cylinder portion, a plurality of clamping pins are uniformly arranged at the bottom end of the first cylinder portion, a plurality of positioning protruding blocks are uniformly arranged on the inner wall of the first cylinder portion, one end of the knob inner shell is slidably connected with the encoder, and the other end of the knob inner shell is connected with the display assembly.

Further, the bottom of encoder be equipped with card foot assorted draw-in groove, be equipped with on the outer wall of encoder with location lug assorted constant head tank, be equipped with on the inner wall of encoder with be used for the gliding spout of knob inner shell, the one end root of knob inner shell still is equipped with the root arch.

Further, the display assembly comprises a display screen, a shading sheet and a display screen buckle plate which are sequentially arranged in the second cylinder part.

Further, a rotating speed status lamp and a time status lamp are respectively arranged at the inner side of the rotating speed key and the inner side of the time key, and a rotating speed position mark and a time position mark are respectively arranged at the positions, opposite to the rotating speed key and the time key, of the front surface of the centrifuge outer shell.

Further, the centrifugal machine scram assembly comprises a mounting seat, a vertically arranged supporting rod is connected to the bottom surface of the mounting seat, a spring is sleeved on the supporting rod, the top end of the supporting rod is slidably connected with an L-shaped top block, a signal box is fixedly connected to one side surface of the mounting seat, a scram trigger piece is arranged in the signal box, the signal box is close to a pressing piece hinged to one side surface of the top block, and a trigger button of the scram trigger piece penetrates out of the side surface of the signal box to jack up the pressing piece.

Further, the centrifugal component, the rotating speed key, the time key, the start-stop key, the rotating speed status lamp, the time status lamp, the encoder, the display screen and the scram triggering piece are all electrically connected with the driving plate component.

Further, the driving plate assembly is electrically connected with a power switch, and the power switch is positioned on the back surface of the centrifuge shell.

The utility model has the beneficial effects that: this application is in the same place display screen, rotational speed regulation button/knob, start stop the button combination, and less independent button's setting can effectively prevent that operating personnel from touching the button by mistake, and this application is equipped with centrifuge scram subassembly simultaneously, when the upper cover of the centrifuge of start-up is opened by mistake, can automatic scram, hoisting device's security.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

The utility model is described in further detail below with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of a high-speed microcentrifuge according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a high-speed microcentrifuge according to an embodiment of the present utility model;

FIG. 3 is an enlarged view of a portion of the right side of FIG. 2;

FIG. 4 is a schematic view, partially in section, of a high-speed microcentrifuge according to an embodiment of the present utility model;

FIG. 5 is a front view of a centrifuge scram assembly according to an embodiment of the present utility model.

In the figure:

100. a base; 200. a centrifuge outer housing; 210. a switch key mounting part; 300. an upper cover; 400. a centrifuge assembly; 500. a key switch support; 510. a rotating speed key; 511. a rotational speed status light; 520. a time key; 521. a time status light; 530. a top cover switch button; 540. starting and stopping a key; 600. a drive plate assembly; 710. an encoder; 711. a clamping groove; 712. a positioning groove; 713. a chute; 720. a knob housing; 721. a clamping foot; 722. positioning the protruding blocks; 730. a knob inner housing; 810. a display screen; 820. a light shielding sheet; 830. a display screen pinch plate; 900. a centrifuge scram assembly; 910. a mounting base; 920. a support rod; 930. a spring; 940. a top block; 950. a signal box; 960. pressing the sheet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.

As shown in fig. 1-5, a high-speed microcentrifuge according to an embodiment of the present utility model includes a base 100, a centrifuge outer casing 200 is fixedly connected to the base 100, an upper cover 300 is hinged to an upper end of the centrifuge outer casing 200, a centrifugal assembly 400 is disposed in a middle portion of the base 100, a cylindrical switch key mounting portion 210 extending outwards is disposed in a front center of the centrifuge outer casing 200, a knob switch assembly is mounted on the switch key mounting portion 210, one end of the knob switch assembly is fixedly connected with an encoder 710 located in the centrifuge outer casing 200, a display assembly is fixedly connected to the other end of the knob switch assembly, a key switch support 500 is disposed at an end, close to the switch key mounting portion 210, of the base 100, a driving plate assembly 600 is disposed at an end, far away from the switch key mounting portion 210, a rotation speed key 510 and a time key 520 are disposed at two sides of the front of the key switch support 500, an upper cover switch button 530 for locking the upper cover 300 is movably connected to the front center of the key switch support 500, and an emergency stop assembly 900 is disposed at the front center of the key switch support 500.

In one embodiment of the present utility model, the upper cover 300 is made of transparent material, so as to facilitate the observation of the working state of the centrifuge. One end of the upper cover 300 is hinged with the centrifuge outer shell 200, the other end is locked through the upper cover switch button 530, the upper cover switch button 530 comprises two connecting columns, the connecting columns are connected in two connecting holes of the key switch support and can slide along the direction of the connecting holes, a compression spring is sleeved on the connecting columns, the upper cover switch button 530 further comprises an upper clamping block which is used for being clamped with the upper cover 300, the upper cover switch button 530 further comprises a pressing part, and the pressing part extends out of a through hole of the upper cover 300.

In one embodiment of the present utility model, the centrifugal machine can be freely braked by turning off the power switch, and the power switch is located at the back of the outer casing 200 of the centrifugal machine, so that the false touch can be effectively avoided, and meanwhile, the power switch is close to the driving board assembly 600 and can be directly connected, so that the connection wires are reduced.

In one embodiment of the present utility model, the display assembly is pressed to brake the centrifuge halfway, and because the knob inner housing 730 is slidably connected with the encoder 710, when the display assembly is pressed, the knob inner housing 730 is driven to slide inwards, and the root protrusion at the root of one end of the knob inner housing 730 pushes the start-stop button 540 (with a rebound resilience button), so as to trigger the start-stop signal to be transmitted to the driving plate assembly 600 (the depth of the second cylindrical portion is greater than the thickness of the mounting portion of the knob inner housing 730+the shading sheet 820+the thickness of the display screen pinch plate 830, so that the knob inner housing 730 has a certain moving space when being pressed and slid).

In one embodiment of the present utility model, the centrifugal machine can be suddenly braked by the centrifugal machine sudden stop assembly 900, when the centrifugal machine is running, the upper cover 300 is locked and closed at this time, a protruding part corresponding to the supporting rod 920 is arranged on the inner side of the upper cover 300, the protruding part presses down the supporting rod 920, so as to drive the supporting rod 920 to press down the pressing piece 960, the pressing piece 960 is pressed down to press the trigger button of the sudden stop trigger piece, the internal short circuit of the sudden stop trigger piece is performed when the trigger button is pressed down, the internal open circuit of the sudden stop trigger piece is performed when the trigger button is released, and the driving board assembly 600 judges the upper cover state through the short circuit and the open circuit of the sudden stop trigger piece, thereby braking.

In one embodiment of the present utility model, both the rotation Speed button 510 and the Time button 520 may be capacitive touch buttons, so that in order to indicate the position of the button for better recognition by the operator, corresponding marks are set at corresponding positions of the centrifuge housing 200, for example, "Speed" is set at the position corresponding to the rotation Speed button 510, and "Time" is set at the position corresponding to the Time button 520, the touch of the housing "Speed" key by hand may be switched to the rotation Speed setting interface, and the touch of the housing "Time" key by hand may be switched to the Time setting interface. In order to indicate whether the key switching function is successful, a rotation speed status lamp 511 and a time status lamp 521 are respectively provided at the inner side of the rotation speed key 510 and the inner side of the time key 520, and the rotation speed can be set when the rotation speed status lamp 511 is turned on and the time can be set when the time status lamp 521 is turned on. The setting of the rotation speed and time is achieved by screwing the knob housing 720, and the encoder 710 also follows the movement to set the rotation speed and time when the knob housing 720 is screwed clockwise/counterclockwise because the knob housing 720 is fixedly connected with the encoder 710.

In one embodiment of the present utility model, an installation groove is provided at one end of the knob inner housing 730, the display screen 810 is installed in the installation groove and is prevented from being leaked by the light shielding sheet 820 to affect the appearance, finally the display screen buckle 830 is fastened to one end of the knob inner housing 730 through the avoiding opening at the edge of the light shielding sheet 820, the flat cable of the display screen 810 passes through the barrel cavity of the knob inner housing 730 and the threading hole on the key switch support 500 to be electrically connected with the driving board assembly 600, and the rotation speed and the time parameter are visible by the display screen 810.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a high-speed micro centrifuge, includes base (100), fixedly connected with centrifuge shell body (200) on base (100), the upper end of centrifuge shell body (200) articulates there is upper cover (300), the middle part of base (100) is equipped with centrifugal component (400), its characterized in that, the front center of centrifuge shell body (200) is equipped with one outwards stretched out cylindrical on key installation department (210), knob switch assembly is installed to on key installation department (210), knob switch assembly's one end and encoder (710) fixed connection who is located in centrifuge shell body (200), the other end fixedly connected with display module, the one end that base (100) is close to on key installation department (210) is equipped with key switch support (500), the one end that base (100) kept away from on key installation department (210) is equipped with drive plate subassembly (600), the front both sides of key switch support (500) are equipped with rotational speed button (510) and time button (520) respectively, the upper end swing joint of key switch support (500) has on the encoder (710) fixed connection, the other end is equipped with display module, key switch support (530) are equipped with on key switch support (300), one side on the base (100) is also provided with a centrifugal machine scram component (900).

2. The high-speed microcentrifuge according to claim 1, wherein the upper cover (300) is made of a transparent material.

3. The high-speed microcentrifuge according to claim 1, wherein the knob switch assembly comprises a knob outer shell (720) and a knob inner shell (730), the knob outer shell (720) comprises a first cylinder part and a second cylinder part, a plurality of clamping pins (721) are uniformly arranged at the bottom end of the first cylinder part, a plurality of positioning projections (722) are uniformly arranged on the inner wall of the first cylinder part, one end of the knob inner shell (730) is slidably connected with the encoder (710), and the other end of the knob inner shell is connected with the display assembly.

4. A high-speed microcentrifuge according to claim 3 wherein the bottom end of the encoder (710) is provided with a clamping groove (711) matched with the clamping leg (721), the outer wall of the encoder (710) is provided with a positioning groove (712) matched with the positioning projection (722), the inner wall of the encoder (710) is provided with a sliding groove (713) sliding with the knob inner shell (730), and the root of one end of the knob inner shell (730) is further provided with a root protrusion.

5. The high-speed microcentrifuge according to claim 4 wherein said display assembly comprises a display screen (810), a gobo (820) and a display screen pinch plate (830) disposed in said second cylindrical section in that order.

6. The high-speed microcentrifuge according to claim 5, wherein a rotational speed status lamp (511) and a time status lamp (521) are respectively arranged on the inner side of the rotational speed button (510) and the inner side of the time button (520), and a rotational speed bit mark and a time bit mark are respectively arranged on the front surface of the outer casing (200) of the centrifuge and the positions of the rotational speed button (510) and the time button (520) which are opposite to each other.

7. The high-speed microcentrifuge according to claim 6, wherein the centrifugal scram assembly (900) comprises a mounting base (910), a vertically arranged supporting rod (920) is connected to the bottom surface of the mounting base (910), a spring (930) is sleeved on the supporting rod (920), an L-shaped top block (940) is slidably connected to the top end of the supporting rod (920), a signal box (950) is fixedly connected to one side surface of the mounting base (910), a scram triggering member is arranged in the signal box (950), a pressing piece (960) is hinged to one side surface, close to the top block (940), of the signal box (950), and a triggering button of the scram triggering member penetrates out of the side surface of the signal box (950) to jack up the pressing piece (960).

8. The high-speed microcentrifuge according to claim 7 wherein said centrifuge assembly (400), said rotational speed button (510), said time button (520), said start-stop button (540), said rotational speed status light (511), said time status light (521), said encoder (710), said display screen (810), and said scram trigger are all electrically connected to said drive plate assembly (600).

9. The high-speed microcentrifuge according to claim 8 wherein said drive plate assembly (600) is further electrically connected to a power switch located on the back of said centrifuge housing (200).