CN216925720U

CN216925720U - Capacitance type liquid level detection device

Info

Publication number: CN216925720U
Application number: CN202220821835.3U
Authority: CN
Inventors: 赵阳; 许豪威
Original assignee: Tianjin Devote Biological Electronic Technology Co ltd
Current assignee: Tianjin Devote Biological Electronic Technology Co ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-07-08
Anticipated expiration: 2032-04-11

Abstract

The utility model discloses a capacitance type liquid level detection device which comprises an operation table, wherein a base is fixedly arranged at the bottom of an inner cavity of the operation table, a rotary table is movably arranged at the top of the base through a bearing, a fixed rod is fixedly arranged in the middle of the top of the rotary table, a telescopic rod is movably clamped inside the fixed rod, a fixed disc is fixedly arranged at the top of the telescopic rod, a fixed frame is sleeved outside the fixed disc, and two ends of the fixed frame are fixedly arranged on the inner side wall of the operation table. According to the capacitive liquid level detection device, the surface of the rotary table is provided with the eight fixed grooves at equal intervals, the rubber pads are arranged in the clamping grooves, meanwhile, the circumference of the fixed disc at the top of the rotary table is provided with the eight clamping grooves at equal intervals, the outer side of the fixed disc is provided with the fixed frame, and the outer side of the fixed frame is movably hinged with the hasp through the torsion spring, so that a test tube can be conveniently installed and taken out.

Description

Capacitance type liquid level detection device

Technical Field

The utility model relates to a liquid level detection device, in particular to a capacitance type liquid level detection device.

Background

For the research of biological reagents, the reagent is usually added into the interior of a test tube for research, and the research process usually uses a liquid level detection device, and the reagent is loaded into the test tube and then placed on a fixing device of the liquid level detection device, and then the detection device is inserted into the test tube to detect the liquid level.

The existing capacitive biological reagent liquid level detection device has the following application number: CN201822033369.9, comprising a bottom plate; the bottom of the mounting groove is fixed on the top of the bottom plate; two supporting shoes, two the bottom of supporting shoe is fixed in respectively the both sides at the top of bottom plate, two fixedly connected with roof between the top of supporting shoe, one side fixedly connected with singlechip of roof bottom, this patent exist following not enough, and the test tube installation with take out comparatively hard need take out the test tube from the top of fixed slot, receive certain friction and resistance, be unfavorable for operating personnel work.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a capacitance type liquid level detection device, which mainly solves the problem that a test tube in the background technology is inconvenient to install and take out by arranging eight fixed grooves on the surface of a rotary disc at equal intervals, arranging rubber pads in the clamping grooves, arranging eight clamping grooves on the circumference of a fixed disc at the top of the rotary disc at equal intervals, arranging a fixed frame on the outer side of the fixed disc and movably hinging a hasp on the outer side of the fixed frame through a torsion spring.

In order to achieve the purpose, the utility model provides the following technical scheme: a capacitance type liquid level detection device comprises an operating platform, wherein a base is fixedly arranged at the bottom of an inner cavity of the operating platform, a turntable is movably arranged at the top of the base through a bearing, a fixed rod is fixedly arranged in the middle of the top of the turntable, a telescopic rod is movably clamped inside the fixed rod, a fixed disc is fixedly arranged at the top of the telescopic rod, a fixed frame is sleeved outside the fixed disc, two ends of the fixed frame are fixedly arranged on the inner side wall of the operating platform, eight clamping grooves are formed in the outer circumference of the fixed disc at equal intervals, eight fixed grooves are formed in the top of the turntable at equal intervals, the eight clamping grooves vertically correspond to the eight fixed grooves respectively, a hasp is movably hinged outside the fixed frame through a torsional spring, a test tube can be directly inserted into the turntable from the top of the clamping grooves in the outer circumference of the fixed disc during installation, and the bottom of the test tube is dragged through the turntable, then block the top of test tube through the draw-in groove on the fixed disk circumference, the fixed frame in the fixed disk outside can play the guard action to the test tube simultaneously and prevent that the test tube from empting and drop, when needs take out, backs up the hasp at the fixed frame back, directly take out the test tube can.

Further, the inside fixed mounting of fixed slot has the rubber pad, the equal fixed mounting in draw-in groove open-ended both sides has the block rubber, rubber pad and block rubber are made by rubber, the test tube has been cup jointed to the inside of rubber pad, the side joint on test tube top is in the draw-in groove.

The bottom of holding in the palm the end to the test tube through the rubber pad is protected to the bottom of test tube to the rubber piece through the draw-in groove both sides is spacing to the test tube, prevents that the test tube from colliding with hard thing when the installation or take out and leading to the damage of test tube.

Further, the top fixed mounting of operation panel has elevating gear, elevating gear's positive movable mounting has the slider, the bottom fixed mounting of slider has detection device, detection device's bottom can insert the inside of test tube.

Through the lift of elevating gear control slider to the detection device who draws the slider bottom goes up and down, descends the inside of detection device to the test tube, detects the liquid level of test tube inside, detects the completion back, promotes detection device, takes out from the inside of test tube.

Further, the inside fixed mounting of base has the motor, the output of motor passes the top of base and is connected with the carousel transmission.

Rotate through motor control carousel and fixed disk to pull the test tube synchronous rotation at top, set for the fixed disk angle rotation such as every turn, make the test tube be located detection device under, thereby make things convenient for the inside of detection device insertion test tube to detect the liquid level of test tube inside.

Further, the bottom activity of dead lever articulates there is ball, ball activity cup joints the inside at the telescopic link, be equipped with the ball between ball and the telescopic link, ball wears out fixed mounting from the top of telescopic link and has the knob.

Rotate ball through the knob to make the telescopic link reciprocate in ball's the outside, just so can adjust the height of fixed disk, thereby the distance between control carousel and the fixed disk just so can fix the test tube of co-altitude not.

Furthermore, the top and the bottom of the front face of the lifting device are both fixedly provided with a limiting block, and the sliding block is lapped on the surface of the limiting block.

The positive stopper of elevating gear can control the distance that the slider removed, and the height that the control slider rises and the height that descends prevents that the slider from breaking away from elevating gear, controls detection device's displacement distance simultaneously.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the capacitive liquid level detection device, the surface of the rotary table is provided with the eight fixed grooves at equal intervals, the rubber pads are arranged in the clamping grooves, meanwhile, the circumference of the fixed disc at the top of the rotary table is provided with the eight clamping grooves at equal intervals, the outer side of the fixed disc is provided with the fixed frame, and the outer side of the fixed frame is movably hinged with the hasp through the torsion spring, so that a test tube can be conveniently installed and taken out.

2. According to the capacitance type liquid level detection device provided by the utility model, the fixed disc and the rotary disc are connected through the fixed rod and the telescopic rod, the telescopic rod is sleeved in the fixed rod, the ball screw is movably hinged between the fixed disc and the rotary disc, and the height of the fixed disc is controlled by rotating the ball screw, so that test tubes with different heights can be conveniently fixed.

3. According to the capacitive liquid level detection device, the rubber pad is arranged in the fixed groove, and the rubber blocks are arranged on two sides of the opening of the clamping groove on the circumference of the fixed disc to limit the test tube, so that the test tube can be prevented from colliding with a hard object during installation and being damaged.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a front cross-sectional view of the present invention;

FIG. 4 is a partial cross-sectional view of the present invention;

FIG. 5 is an enlarged view of the position A of FIG. 4 according to the present invention.

In the figure: 1. an operation table; 2. a base; 3. a turntable; 4. fixing the disc; 5. a fixing frame; 6. a lifting device; 7. a slider; 8. a detection device; 9. a test tube; 10. a rubber block; 11. a hasp; 12. a rubber pad; 13. a bearing; 14. a motor; 15. a ball screw; 16. fixing the rod; 17. a telescopic rod; 18. a torsion spring; 19. fixing grooves; 20. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, 3 and 5, a capacitance type liquid level detection device comprises an operation table 1, wherein a base 2 is fixedly installed at the bottom of an inner cavity of the operation table 1, a turntable 3 is movably installed at the top of the base 2 through a bearing 13, a fixing rod 16 is fixedly installed in the middle of the top of the turntable 3, a telescopic rod 17 is movably clamped inside the fixing rod 16, a fixed disc 4 is fixedly installed at the top of the telescopic rod 17, a fixed frame 5 is sleeved outside the fixed disc 4, two ends of the fixed frame 5 are fixedly installed on the inner side wall of the operation table 1, eight clamping grooves 20 are equidistantly arranged on the outer circumference of the fixed disc 4, eight fixing grooves 19 are equidistantly arranged at the top of the turntable 3, the eight clamping grooves 20 vertically correspond to the eight fixing grooves 19 respectively, and the outer side of the fixed frame 5 is movably hinged with a hasp 11 through a torsion spring 18, can insert carousel 3 with test tube 9 in the top of draw-in groove 20 on the outer circumference of fixed disk 4 directly during the installation, drag test tube 9's bottom through carousel 3, then block test tube 9's top through draw-in groove 20 on the 4 circumferences of fixed disk, fixed frame 5 in the 4 outsides of fixed disk can play the guard action to test tube 9 simultaneously and prevent that test tube 9 from empting and drop, when needs take out, backs up hasp 11 at the fixed frame 5 backs, directly take out test tube 9 can.

Referring to fig. 2 and 4, a rubber pad 12 is fixedly mounted inside the fixing groove 19, rubber blocks 10 are fixedly mounted on both sides of an opening of the clamping groove 20, the rubber pad 12 and the rubber blocks 10 are made of rubber, the test tube 9 is sleeved inside the rubber pad 12, and the side surface of the top end of the test tube 9 is clamped in the clamping groove 20.

Bottom to test tube 9's bottom is carried out the support through rubber pad 12 and is protected the bottom of test tube 9 to rubber block 10 through draw-in groove 20 both sides is spacing to test tube 9, prevents that test tube 9 from colliding with hard thing when the installation or take out and leading to the damage of test tube 9.

Referring to fig. 1, a lifting device 6 is fixedly mounted at the top of the operating table 1, a slider 7 is movably mounted on the front surface of the lifting device 6, a detection device 8 is fixedly mounted at the bottom of the slider 7, and the bottom end of the detection device 8 can be inserted into a test tube 9.

Through the lift of 6 control sliders 7 of elevating gear to draw the 8 lifts of detection device 8 of 7 bottoms of slider, with the inside of detection device 8 whereabouts test tube 9, detect the inside liquid level of test tube 9, detect the completion back, promote detection device 8, take out from the inside of test tube 9.

Referring to fig. 3, a motor 14 is fixedly installed inside the base 2, and an output end of the motor 14 penetrates through the top of the base 2 to be in transmission connection with the turntable 3.

Rotate through motor 14 control carousel 3 and fixed disk 4 to pull the test tube 9 synchronous rotation at top, set for fixed disk 4 angle rotations such as every, make test tube 9 be located detection device 8 under, thereby make things convenient for detection device 8 to insert the inside of test tube 9 and detect the inside liquid level of test tube 9.

Referring to fig. 3, the bottom of the fixing rod 16 is movably hinged with a ball screw 15, the ball screw 15 is movably sleeved inside the telescopic rod 17, a ball is arranged between the ball screw 15 and the telescopic rod 17, and the ball screw 15 penetrates out of the top of the telescopic rod 17 and is fixedly provided with a knob.

Rotate ball 15 through the knob to make telescopic link 17 reciprocate in ball 15's the outside, just so can adjust the height of fixed disk 4, thereby control the distance between carousel 3 and the fixed disk 4, just so can fix not co-altitude test tube 9.

Referring to fig. 1, the top and the bottom of the front surface of the lifting device 6 are both fixedly provided with a limiting block, and the sliding block 7 is lapped on the surface of the limiting block.

The positive stopper of elevating gear 6 can control the distance that slider 7 removed, and the height that control slider 7 rises and the height that descends prevents that slider 7 from breaking away from elevating gear 6, controls detection device 8's displacement distance simultaneously.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A capacitance type liquid level detection device comprises an operation table (1), and is characterized in that: a base (2) is fixedly arranged at the bottom of the inner cavity of the operating platform (1), a turntable (3) is movably arranged at the top of the base (2) through a bearing (13), a fixed rod (16) is fixedly arranged in the middle of the top of the turntable (3), a telescopic rod (17) is movably clamped in the fixed rod (16), the top of the telescopic rod (17) is fixedly provided with a fixed disk (4), the outer part of the fixed disk (4) is sleeved with a fixed frame (5), two ends of the fixed frame (5) are fixedly arranged on the inner side wall of the operating platform (1), eight clamping grooves (20) are equidistantly arranged on the outer circumference of the fixed disc (4), eight fixing grooves (19) are equidistantly formed in the top of the rotary disc (3), the eight clamping grooves (20) are vertically corresponding to the eight fixing grooves (19) respectively, the outer side of the fixing frame (5) is movably hinged with a hasp (11) through a torsion spring (18).

2. A capacitive liquid level sensing device according to claim 1, wherein: the inside fixed mounting of fixed slot (19) has rubber pad (12), the equal fixed mounting in draw-in groove (20) open-ended both sides has block rubber (10), rubber pad (12) and block rubber (10) are made by rubber, test tube (9) have been cup jointed to the inside of rubber pad (12), the side joint on test tube (9) top is in draw-in groove (20).

3. A capacitive liquid level sensing device according to claim 1, wherein: the top fixed mounting of operation panel (1) has elevating gear (6), the positive movable mounting of elevating gear (6) has slider (7), the bottom fixed mounting of slider (7) has detection device (8), the bottom of detection device (8) can insert the inside of test tube (9).

4. A capacitive liquid level sensing device according to claim 1, wherein: the inside fixed mounting of base (2) has motor (14), the output of motor (14) passes the top of base (2) and is connected with carousel (3) transmission.

5. A capacitive liquid level sensing device according to claim 1, wherein: the bottom activity of dead lever (16) articulates there is ball (15), ball (15) activity cup joints the inside at telescopic link (17), be equipped with the ball between ball (15) and telescopic link (17), fixed mounting is worn out from the top of telescopic link (17) in ball (15) has the knob.

6. A capacitive liquid level detecting device according to claim 3, wherein: the top and the bottom of the front surface of the lifting device (6) are fixedly provided with limit blocks, and the slide block (7) is lapped on the surfaces of the limit blocks.