CN219150904U

CN219150904U - Cleaning device

Info

Publication number: CN219150904U
Application number: CN202223165539.1U
Authority: CN
Inventors: 王波; 王梓涵; 崔学坤; 温英利
Original assignee: Shandong Bosi Biotechnology Co ltd; Shandong Zhixin Medical Technology Co ltd
Current assignee: Shandong Bosi Biotechnology Co ltd; Shandong Zhixin Medical Technology Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-06-09
Anticipated expiration: 2032-11-28

Abstract

The application discloses a cleaning device, which comprises a cleaning needle and a needle frame, wherein the cleaning needle comprises a liquid injection needle, a liquid suction needle and a cleaning block; the upper part of the cleaning needle is adhered with a fixed block, the fixed block is sleeved with a bearing, the fixed block is in interference fit with the inner ring of the bearing, the outer ring of the bearing is in interference fit with the needle frame, and the cleaning needle is fixed on the needle frame through the cooperation of the fixed block and the bearing; the liquid injection needle is of a spiral structure, the liquid injection needle and the liquid suction needle are coaxially assembled, the lower ends of the liquid injection needle and the liquid suction needle are fixed on the cleaning block, and the upper parts of the liquid injection needle and the liquid suction needle are matched with the bearing on the needle frame through the fixing block. This application drives clean piece spiral through the spiral structure of spiral guiding hole guide annotating the liquid needle and descends, makes water form spiral water vortex when spraying, gathers the suspended solid in the cup to cooperate the imbibition needle to take away sewage, can realize high-efficient cleanness, avoid debris to adhere to at the wall of cup formation spot.

Description

Cleaning device

Technical Field

The application relates to the technical field of in-vitro diagnosis medical equipment, in particular to a cleaning device.

Background

In the photoelectric detection link of the full-automatic biochemical analyzer, the cleaning needle is used for injecting cleaning liquid into the reaction cup to flush reactants in the cup, and then the waste liquid is pumped out to realize the recycling of the reaction cup. If the cleaning effect of the cleaning needle is poor, residues are left in the reaction cup, so that on one hand, the following test reaction cross contamination is caused, and on the other hand, the reactant attached to the wall of the cup can influence the light transmittance, so that the measured value is reduced, and the accuracy of the test result is influenced. The reason for the poor cleaning effect is that the traditional one-way flushing and suction can only dilute the reactant, and the reactant can float upwards and adhere to the wall of the reaction cup in the process. The cleaning effect of the cleaning needle directly influences the accuracy of detection and the service life of the reaction cup, and the cleaning needle capable of being efficiently and quickly cleaned can effectively reduce the cost of accessory replacement.

Disclosure of Invention

In order to solve the above problems, the present application provides a cleaning device including a cleaning needle including a liquid injection needle, a liquid suction needle, and a cleaning block, and a needle holder;

the upper part of the cleaning needle is adhered with a fixed block, the fixed block is sleeved with a bearing, the fixed block is in interference fit with the inner ring of the bearing, the outer ring of the bearing is in interference fit with the needle frame, and the cleaning needle is fixed on the needle frame through the cooperation of the fixed block and the bearing; the liquid injection needle is of a spiral structure, the liquid injection needle and the liquid suction needle are coaxially assembled, the lower ends of the liquid injection needle and the liquid suction needle are fixed on the cleaning block, and the upper parts of the liquid injection needle and the liquid suction needle are matched with the bearing on the needle frame through the fixing block. So set up, remove the needle frame alright drive wash the needle and reciprocate, and do not influence the rotation of wash the needle, be convenient for form the water vortex.

Further, the imbibition needle is the direct structure, imbibition needle's lower extreme with cleaning piece interference fit, imbibition needle's lower extreme with cleaning piece lower extreme parallel and level, imbibition needle lower extreme is arranged in sucking the liquid of evacuation quilt washs the container. So set up, the water vortex that forms is washd to this application to the cooperation and is collected rivers downwards, more convenient suction to sewage.

Further, the lower end of the liquid injection needle is fixed on the cleaning block, and the liquid injection needle continuously injects cleaning liquid into the cleaning block. So arranged, the cleaning liquid can be injected following the movement of the cleaning block.

Further, the cleaning block is of a cavity structure with a central through hole, the central through hole is assembled with the liquid suction needle, the upper portion of the cleaning block is assembled with the liquid injection needle, the liquid injection needle can continuously inject cleaning liquid into the cavity of the cleaning block, and a plurality of small holes are formed in four sides of the cleaning block and used for spraying the cleaning liquid. By the arrangement, the cleaning liquid can be sprayed more uniformly, and the formation of water vortex is facilitated.

Further, the needle frame is divided into an upper part and a lower part, the upper part of the needle frame drives the belt pulley to rotate through the motor, the belt pulley drives the belt to drive, the belt is fixedly connected with the sliding block which can slide up and down, the sliding block is fixedly connected with the bearing frame for fixing the bearing, so that the cleaning needle can be controlled by the motor to reciprocate up and down, the lower part of the needle frame is fixed on the back of the motor, the lower part of the needle frame is provided with a spiral guide hole which can accommodate the cleaning needle below the bearing frame, the cleaning needle can move up and down through the spiral guide hole, and when the cleaning needle passes through the spiral guide hole, the spiral structure of the liquid injection needle is meshed with the spiral guide hole, and the cleaning needle rotates through and moves up and down under the guide of the spiral guide hole.

Furthermore, the cleaning block can be coated by a material with rough surface, so that the spiral driving effect on the water in the cleaned container is better realized.

The application has the following beneficial effects:

the utility model provides a belt cleaning device drives clean piece spiral through the spiral structure of spiral guiding hole guide notes liquid needle and descends, makes water form spiral water vortex when spraying, gathers the suspended solid in the cup to cooperate the imbibition needle to take away sewage, can realize high-efficient cleanness, avoid debris to adhere to at the cup wall formation spot.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a schematic structural view of a specific embodiment of a cleaning device provided in the present application;

FIG. 2 is a schematic view of the structure of a cleaning needle portion of an embodiment of the cleaning device provided herein;

FIG. 3 is a schematic view of a bearing portion of an embodiment of a cleaning device provided herein;

fig. 4 is a schematic structural view of a spiral guide hole portion of an embodiment of the cleaning device provided in the present application.

In the figure:

1. the liquid injection needle, 2, the liquid suction needle, 3, the cleaning block, 4, the fixed block, 5, the bearing, 6, the needle frame, 61, the motor, 62 and the spiral guide hole.

The specific embodiment is as follows:

in order to make the technical solutions of the embodiments of the present utility model more clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, it is obvious that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the embodiments of the present utility model, terms such as left, right, up, down, front, and back are merely relative terms or references to a normal use state of a product, i.e. a traveling direction of the product, and should not be construed as limiting.

In addition, the dynamic terms such as "relative movement" in the embodiments of the present utility model include not only a change in position but also a movement in which a state is changed without a relative change in position such as rotation or rolling.

Finally, it is noted that when an element is referred to as being "on" or "disposed on" another element, it can be on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

Embodiments of the present application provide a cleaning needle, as shown in fig. 1-4:

in the present application, the cleaning device comprises a cleaning needle and a needle holder 6, the cleaning needle comprises a liquid injection needle 1, a liquid suction needle 2 and a cleaning block 3;

the upper part of the cleaning needle is adhered with a fixed block 4, a bearing 5 is sleeved outside the fixed block 4, the fixed block 4 is in interference fit with the inner ring of the bearing 5, the outer ring of the bearing 5 is in interference fit with the needle frame 6, and the cleaning needle is fixed on the needle frame 6 through the cooperation of the fixed block 4 and the bearing 5; the liquid injection needle 1 is of a spiral structure, the liquid injection needle 1 and the liquid suction needle 2 are coaxially assembled, the lower ends of the liquid injection needle 1 and the liquid suction needle 2 are fixed on the cleaning block 3, and the upper parts of the liquid injection needle 1 and the liquid suction needle 2 are matched with the bearing 5 on the needle frame 6 through the fixing block 4. So set up, remove needle frame 6 alright drive the washing needle and reciprocate, and do not influence the rotation of washing needle, be convenient for form the water vortex.

As shown in fig. 2, the liquid sucking needle 2 is in a straight-through structure, the lower end of the liquid sucking needle 2 is in interference fit with the cleaning block 3, and the lower end of the liquid sucking needle 2 is flush with the tail end of the cleaning block 3 and is used for sucking and exhausting liquid in a cleaned container. So set up, the water vortex that forms is washd to this application to the cooperation and is collected rivers downwards, more convenient suction to sewage.

As shown in fig. 2, the liquid injection needle 1 has a spiral structure, the lower end of the liquid injection needle 1 is fixed on the cleaning block 3, and the liquid injection needle 1 continuously injects the cleaning liquid into the cleaning block 3. So arranged, the cleaning liquid can be injected following the movement of the cleaning block 3.

As shown in fig. 2, the cleaning block 3 has a cavity structure with a central through hole, the central through hole is assembled with the liquid suction needle 2, the upper part of the cleaning block 3 is assembled with the liquid injection needle 1, the liquid injection needle 1 can continuously inject cleaning liquid into the cavity of the cleaning block 3, and the four sides of the cleaning block 3 are provided with a plurality of small holes for spraying the cleaning liquid. By the arrangement, the cleaning liquid can be sprayed more uniformly, and the formation of water vortex is facilitated.

As shown in fig. 1 to 4, the needle frame 6 is divided into an upper part and a lower part, the upper part of the needle frame 6 drives a belt wheel to rotate through a motor 61, the belt wheel drives a belt to drive, the belt is fixedly connected with a sliding block which can slide up and down, the sliding block is fixedly connected with a bearing frame for fixing the bearing, so that the cleaning needle can be controlled to reciprocate up and down through the motor 61, the lower part of the needle frame 6 is fixed on the back of the motor 61, a spiral guide hole 62 which can accommodate the cleaning needle is arranged below the bearing frame, the cleaning needle can move up and down through the spiral guide hole 62, and when the cleaning needle passes through the spiral guide hole 62, the spiral structure of the injection needle 1 is meshed with the spiral guide hole 62, and the cleaning needle rotates to pass through and moves up and down under the guide of the spiral guide hole 62. So configured, the rotational movement of the motor 61 can be transmitted as a spiral elevating movement of the cleaning needle of the present application.

As shown in fig. 2, the cleaning block 3 can be coated by a rough surface material, so that the spiral driving effect on the water in the cleaned container can be better realized.

It should be noted that, of course, the present application is suitable for cleaning a container having an inner diameter slightly larger than the size of the cleaning block 3 of the present application so as to form a water vortex by the rotation of the cleaning block 3 and the rotary spraying of the cleaning liquid.

In combination with the above description, referring to fig. 1 to 4, in use, the motor 61 drives the belt pulley to rotate, the belt pulley drives the belt to drive, the belt is fixedly connected with the sliding block capable of sliding up and down, and the sliding block is fixedly connected with the bearing frame for fixing the bearing, so that the motor 61 can control the cleaning needle to reciprocate up and down, and meanwhile, the cleaning needle rotates to form a water vortex in the cleaned container, and the liquid suction needle 2 pumps sewage from the bottom of the cleaned container. The spiral structure of the liquid injection needle 1 is guided by the spiral guide hole 62 to drive the cleaning block 3 to spirally descend, water forms spiral water vortex when spraying, suspended matters in the cup are collected, sewage is pumped away by the liquid suction needle 2, efficient cleaning can be achieved, and impurities are prevented from adhering to the wall of the cup to form stains.

The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.

Claims

1. The cleaning device is characterized by comprising a cleaning needle and a needle frame, wherein the cleaning needle comprises a liquid injection needle, a liquid suction needle and a cleaning block;

the upper part of the cleaning needle is adhered with a fixed block, the fixed block is sleeved with a bearing, the fixed block is in interference fit with the inner ring of the bearing, the outer ring of the bearing is in interference fit with the needle frame, and the cleaning needle is fixed on the needle frame through the cooperation of the fixed block and the bearing; the liquid injection needle is of a spiral structure, the liquid injection needle and the liquid suction needle are coaxially assembled, the lower ends of the liquid injection needle and the liquid suction needle are fixed on the cleaning block, and the upper parts of the liquid injection needle and the liquid suction needle are matched with the bearing on the needle frame through the fixing block.

2. The cleaning device of claim 1, wherein the suction needle is in a straight-through structure, the lower end of the suction needle is in interference fit with the cleaning block, the lower end of the suction needle is level with the lower end of the cleaning block, and the lower end of the suction needle is used for sucking and exhausting liquid in the cleaned container.

3. The cleaning device according to claim 1, wherein the lower end of the liquid injection needle is fixed to the cleaning block, and the liquid injection needle continuously injects the cleaning liquid into the cleaning block.

4. The cleaning device according to claim 1, wherein the cleaning block has a hollow structure with a central through hole, the central through hole is assembled with the liquid suction needle, the upper part of the cleaning block is assembled with the liquid injection needle, the liquid injection needle can continuously inject cleaning liquid into the hollow of the cleaning block, and the four sides of the cleaning block are provided with a plurality of small holes for spraying the cleaning liquid.

5. The cleaning device according to claim 1, wherein the needle frame is divided into an upper part and a lower part, the upper part of the needle frame is driven by a motor to rotate by a belt wheel, the belt wheel is driven by a belt to drive, the belt is fixedly connected with a sliding block capable of sliding up and down, the sliding block is simultaneously fixedly connected with a bearing frame for fixing the bearing, thereby the cleaning needle can be controlled to reciprocate up and down by the motor, the lower part of the needle frame is fixed on the back surface of the motor, a spiral guide hole capable of accommodating the cleaning needle is arranged below the bearing frame, the cleaning needle can move up and down through the spiral guide hole, and when the cleaning needle passes through the spiral guide hole, the spiral structure of the liquid injection needle is meshed with the spiral guide hole, and the cleaning needle rotates through and moves up and down under the guidance of the spiral guide hole.

6. The cleaning device according to claim 1, wherein the cleaning block is coated with a rough surface material to better achieve a spiral driving effect on water in the container to be cleaned.