Pipette cleaning device

Abstract

The utility model discloses a pipette cleaning device, which relates to the technical field of pipette head cleaning and comprises a negative pressure machine and a handheld frame, an alcohol tank and a waste liquid tank are fixedly mounted on two sides of the inner bottom wall of the negative pressure machine, a liquid pumping pipe is fixedly connected to the top end of the waste liquid tank, the top end of the liquid pumping pipe is fixedly connected with the handheld frame, and an auxiliary pipe is fixedly connected to the side wall of the handheld frame. The liquid suction pipe is communicated with the interior of the handheld frame, the top end of the alcohol tank is fixedly connected with a liquid guide pipe, a negative pressure pump is arranged in the negative pressure machine, alcohol in the alcohol tank is sprayed out through the arranged negative pressure pump, and waste liquid in a pipette pipeline is sucked through the arranged negative pressure pump; the driving mechanism is arranged to drive the bristles fixed outside the sleeve to rotate, so that the interior of the pipette is cleaned, and the blocking mechanism is arranged to block the liquid inlet channel in the pipette, so that alcohol is prevented from flowing into the pipette.

Description

Technical Field

[0001] The utility model relates to the technical field of cleaning a liquid transfer gun tip, in particular to a liquid transfer gun cleaning device. Background Art

[0002] A pipette is a type of pipette, commonly used in laboratories to transfer small or trace amounts of liquid. It has different specifications, and different sizes of pipettes are used with different sizes of tips. The shapes produced by different manufacturers are also slightly different, but the working principles and operating methods are basically the same. A pipette is a precision instrument, and it must be used and stored with caution to prevent damage and avoid affecting its range.

[0003] The inner channel at the bottom of the existing pipette is easily stained with serum and breeds bacteria. In addition, the inner channel is long and thin and is not easy to clean each time. It is easy to get clogged over time. If you want to thoroughly clean the inner channel of the pipette, you can only disassemble the parts. Once disassembled, recalibration is required, which is time-consuming and labor-intensive, and delays the operation. Utility Model Content

[0004] The utility model aims to provide a device for cleaning a liquid transfer gun, which solves the problem that the internal channel of the liquid transfer gun can only be cleaned by disassembling parts, and once disassembled, recalibration is required, which is time-consuming, labor-intensive and delays the operation.

[0005] The utility model provides the following technical solutions: a device for cleaning a pipette gun, comprising a negative pressure machine and a hand-held frame, an alcohol tank and a waste liquid tank are fixedly installed on both sides of the inner bottom wall of the negative pressure machine, a liquid extraction tube is fixedly connected to the top of the waste liquid tank, the top of the liquid extraction tube is fixedly connected to the hand-held frame, an auxiliary tube is fixedly connected to the side wall of the hand-held frame, and the liquid extraction tube is communicated with the inside of the hand-held frame, a liquid guide tube is fixedly connected to the top of the alcohol tank, the top of the liquid guide tube passes through the hand-held frame and the end is fixedly connected to a hard tube, the hard tube extends to the inside of the auxiliary tube and the end is flush with the port of the auxiliary tube, a sleeve is rotatably connected to the outer wall of the auxiliary tube, a plurality of bristles are fixed in an annular array on the outer wall of the sleeve, a driving mechanism for driving the sleeve to rotate is arranged between the auxiliary tube and the outer wall of the hard tube, and a sealing mechanism is arranged at the port of the auxiliary tube close to the bristles.

[0006] Furthermore, the driving mechanism includes a driving motor fixedly mounted on the inner top wall of the auxiliary tube, an incomplete gear is fixedly sleeved on the output end of the driving motor, an opening for accommodating the incomplete gear is provided on the inner top wall of the auxiliary tube, a gear ring is fixedly connected to the inner wall of the sleeve, and the incomplete gear is transmission-connected to the gear ring.

[0007] Furthermore, the sealing mechanism includes an annular array of electric slide rails fixed on the inner wall of the auxiliary tube, each of the electric slide rails is provided with an adaptive slider, each of the sliders is slidably connected to the corresponding electric slide rail, each of the sliders is fixedly connected to a support rod on the outer wall, and each of the support rods at the end away from the slider is fixedly connected to a sealing plug.

[0008] Furthermore, the support rod is an L-shaped structure, and the sealing plug is made of rubber material.

[0009] Furthermore, the negative pressure machine is provided with a plurality of control switches for controlling the opening and closing of the negative pressure machine.

[0010] Furthermore, a controller is fixedly mounted on the outer wall of the negative pressure machine, and the controller is used to control the opening and closing of the driving motor and the electric slide rail.

[0011] Furthermore, a door body is detachably fixedly mounted on the side wall of the negative pressure machine.

[0012] Furthermore, a plurality of through holes are arranged in an array on the outer wall of the auxiliary tube.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, the negative pressure machine contains a negative pressure pump, which sprays alcohol in the alcohol tank through the negative pressure pump, and absorbs waste liquid inside the pipette pipe through the negative pressure pump, and the bristles fixed on the outside of the sleeve are driven to rotate through the driving mechanism, so as to clean the inside of the pipette, and the liquid inlet cavity inside the pipette is blocked by the blocking mechanism, and the blocking mechanism can be activated when the auxiliary tube is extended into the inside of the pipette to prevent alcohol from flowing into the inside of the pipette. The device can thoroughly clean the channel inside the pipette without disassembling parts, saving time and effort, and can thoroughly disinfect and clean the inside of the pipette without affecting the normal use of the pipette. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of a device for cleaning a liquid transfer gun;

[0016] Figure 2 It is a schematic diagram of the connection structure between the driving mechanism and the blocking structure;

[0017] Figure 3 It is a partial cross-sectional structural schematic diagram of a device for cleaning a liquid transfer gun;

[0018] Figure 4 The present invention is a schematic diagram of a three-dimensional cross-sectional structure of a device for cleaning a liquid transfer gun.

[0019] In the figure: 10, negative pressure machine; 11, hand-held frame; 12, door body; 13, alcohol tank; 14, waste liquid tank; 15, suction tube; 16, auxiliary tube; 161, through hole; 17, liquid guide tube; 18, hard tube; 19, sleeve; 191, bristles; 20, driving motor; 21, incomplete gear; 22, gear ring; 30, electric slide rail; 31, slider; 32, support rod; 33, sealing plug; 40, controller; 50, control switch. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] Example 1

[0022] like Figure 1-4 As shown, the utility model provides a technical solution: a device for cleaning a pipette gun, comprising a negative pressure machine 10 and a handheld frame 11, an alcohol tank 13 and a waste liquid tank 14 are fixedly installed on both sides of the inner bottom wall of the negative pressure machine 10, a liquid extraction tube 15 is fixedly connected to the top of the waste liquid tank 14, the top of the liquid extraction tube 15 is fixedly connected to the handheld frame 11, an auxiliary tube 16 is fixedly connected to the side wall of the handheld frame 11, and the liquid extraction tube 15 is communicated with the inside of the handheld frame 11, a liquid guide tube 17 is fixedly connected to the top of the alcohol tank 13, the top of the liquid guide tube 17 passes through the handheld frame 11 and the end thereof is fixedly connected to a hard tube 18, the hard tube 18 extends to the inner side of the auxiliary tube 16 and the end thereof is flush with the port of the auxiliary tube 16, a sleeve 19 is rotatably connected to the outer wall of the auxiliary tube 16, a plurality of bristles 191 are fixed in an annular array on the outer wall of the sleeve 19, the auxiliary tube 16 and the hard tube 1 8 A driving mechanism for driving the sleeve 19 to rotate is arranged between the outer walls, and a sealing mechanism is arranged at the port of the auxiliary tube 16 near the brush 191. During specific use, the negative pressure machine 10 contains a negative pressure pump, and the alcohol in the alcohol tank 13 is sprayed out by the set negative pressure pump, and the waste liquid inside the pipette pipeline is sucked by the set negative pressure pump, and the bristles 191 fixed on the outside of the sleeve 19 are driven to rotate by the set driving mechanism to clean the inside of the pipette, and the liquid inlet cavity inside the pipette is blocked by the set sealing mechanism. When the auxiliary tube 16 is extended into the interior of the pipette, the blocking mechanism can be activated to prevent alcohol from flowing into the interior of the pipette.

[0023] As an implementation method in this embodiment, Figure 2As shown, the driving mechanism includes a driving motor 20 fixedly mounted on the inner top wall of the auxiliary tube 16, an incomplete gear 21 is fixedly sleeved on the output end of the driving motor 20, an opening for accommodating the incomplete gear 21 is opened on the inner top wall of the auxiliary tube 16, a gear ring 22 is fixedly connected to the inner wall of the sleeve 19, and the incomplete gear 21 is transmission-connected to the gear ring 22. During specific use, the incomplete gear 21 is driven to rotate by the driving motor 20, thereby driving the sleeve 19 to rotate synchronously, so that the bristles 191 brush the inside of the pipette gun. It should be noted that the driving motor 20 reciprocates left and right to prevent the incomplete gear 21 from rotating excessively and colliding with the hard tube 18.

[0024] As an implementation method in this embodiment, Figure 2 As shown, the blocking mechanism includes an annular array of electric slide rails 30 fixed on the inner wall of the auxiliary tube 16, and the electric slide rails 30 are each provided with an adapted slider 31, and the slider 31 is slidably connected to the corresponding electric slide rail 30, and the outer wall of the slider 31 is fixedly connected with a support rod 32, and the end of the support rod 32 away from the slider 31 is fixedly connected with a sealing plug 33. During specific use, the electric slide rail 30 is provided to drive the support rod 32 on the slider 31 to synchronously move laterally, and the support rod 32 drives the sealing plug 33 to block the liquid inlet cavity opening inside the pipette, so as to prevent alcohol from entering the inner cavity of the pipette.

[0025] As an implementation method in this embodiment, Figure 2 As shown, the support rod 32 is an L-shaped structure, and the sealing plug 33 is made of rubber material. The sealing plug 33 is provided to block the liquid inlet cavity opening inside the pipette gun.

[0026] As an implementation method in this embodiment, Figure 1 As shown, the negative pressure machine 10 is provided with a plurality of control switches 50 for controlling the opening and closing of the negative pressure machine 10 .

[0027] As an implementation method in this embodiment, Figure 1 As shown, a controller 40 is fixedly mounted on the outer wall of the negative pressure machine 10, and the controller 40 is used to control the opening and closing of the driving motor 20 and the electric slide rail 30.

[0028] As an implementation method in this embodiment, Figure 1 As shown, a door body 12 is detachably fixedly installed on the side wall of the negative pressure machine 10, so that the alcohol tank 13 and the waste liquid tank 14 can be easily taken out.

[0029] As an implementation method in this embodiment, Figure 1As shown, a plurality of through holes 161 are arranged in an array on the outer wall of the auxiliary tube 16, and the through holes 161 are used to assist in aspirating the alcohol in the pipette.

[0030] Working principle: The negative pressure machine 10 contains a negative pressure pump, which sprays the alcohol in the alcohol tank 13 through the negative pressure pump, and absorbs the waste liquid inside the pipette pipe through the negative pressure pump, and the bristles 191 fixed on the outside of the sleeve 19 are driven to rotate through the driving mechanism to clean the inside of the pipette, and the liquid inlet cavity inside the pipette is blocked by the blocking mechanism. When the auxiliary tube 16 is extended into the inside of the pipette, the blocking mechanism can be activated to prevent alcohol from flowing into the inside of the pipette.

[0031] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.

Claims

1. A device for cleaning a liquid transfer gun, comprising a negative pressure machine and a handheld frame, characterized in that: An alcohol tank and a waste liquid tank are fixedly installed on both sides of the inner bottom wall of the negative pressure machine, a liquid extraction tube is fixedly connected to the top of the waste liquid tank, the top of the liquid extraction tube is fixedly connected to the hand-held frame, an auxiliary tube is fixedly connected to the side wall of the hand-held frame, and the liquid extraction tube is communicated with the inside of the hand-held frame, a liquid guide tube is fixedly connected to the top of the alcohol tank, the top of the liquid guide tube passes through the hand-held frame and a hard tube is fixedly connected to the end, the hard tube extends to the inside of the auxiliary tube and the end is flush with the port of the auxiliary tube, a sleeve is rotatably connected to the outer wall of the auxiliary tube, a plurality of bristles are fixed in a circular array on the outer wall of the sleeve, a driving mechanism for driving the sleeve to rotate is provided between the auxiliary tube and the outer wall of the hard tube, and a sealing mechanism is provided at the port of the auxiliary tube close to the bristles.

2. A device for cleaning a liquid transfer gun according to claim 1, characterized in that: The driving mechanism includes a driving motor fixedly mounted on the inner top wall of the auxiliary tube, an incomplete gear is fixedly sleeved on the output end of the driving motor, an opening for accommodating the incomplete gear is formed on the inner top wall of the auxiliary tube, a gear ring is fixedly connected to the inner wall of the sleeve, and the incomplete gear is transmission-connected to the gear ring.

3. A device for cleaning a pipette gun according to claim 2, characterized in that: The sealing mechanism includes an annular array of electric slide rails fixed on the inner wall of the auxiliary tube, each of the electric slide rails is provided with an adaptive slider, each of the sliders is slidably connected to the corresponding electric slide rail, each of the sliders is fixedly connected to a support rod on the outer wall, and each of the support rods at the end away from the slider is fixedly connected to a sealing plug.

4. A device for cleaning a liquid transfer gun according to claim 3, characterized in that: The support rod is an L-shaped structure, and the sealing plug is made of rubber material.

5. A device for cleaning a liquid transfer gun according to claim 1, characterized in that: The negative pressure machine is provided with a plurality of control switches for controlling the opening and closing of the negative pressure machine.

6. A device for cleaning a liquid transfer gun according to claim 3, characterized in that: A controller is fixedly mounted on the outer wall of the negative pressure machine, and the controller is used to control the opening and closing of the driving motor and the electric slide rail.

7. A device for cleaning a liquid transfer gun according to claim 1, characterized in that: The side wall of the negative pressure machine is detachably fixed with a door body.

8. A device for cleaning a liquid transfer gun according to claim 1, characterized in that: A plurality of through holes are arranged in an array on the outer wall of the auxiliary tube.

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