阅读说明：本技术 一种连轴传动开关盖装置及使用方法 (Connecting shaft transmission switch cover device and using method ) 是由 李强 代超旭 李启腾 邵俊斌 于 2021-09-14 设计创作，主要内容包括：本发明提供一种连轴传动开关盖装置,包括：动力装置、滑轨装置、从动装置、进样装置和样本管盖抱紧装置；本发明的连轴传动开关盖装置适用于高通量样本连续处理装置,检测速度更快,日检测量更大,效率显著提高,利于大通量全自动化仪器的开发。且解决了现场高通量检测中样本快速批量开关盖处理的难题,使得高通量全自动化设备的开发成为现实。(The invention provides a connecting shaft transmission switch cover device, comprising: the sample tube cover clamping device comprises a power device, a slide rail device, a driven device, a sample feeding device and a sample tube cover clamping device; the connecting shaft transmission switch cover device is suitable for a high-flux sample continuous processing device, has higher detection speed, larger daily detection and measurement and obviously improved efficiency, and is beneficial to the development of a large-flux full-automatic instrument. And the problem of rapid batch cover opening and closing treatment of samples in field high-flux detection is solved, so that the development of high-flux full-automatic equipment becomes practical.)

1. A shaft-coupled transmission switch cover device, characterized in that the switch cover device comprises: the device comprises a power device (1), a slide rail device (2), a driven device (3), a sample introduction device (4) and a sample tube cover holding device (6); the power device (1) drives the slide rail device (2), the slide rail device (2) drives the driven device (3), the driven device (3) is connected with the sample feeding device (4), and the sample tube is controlled to rotate clockwise and anticlockwise through the linkage effect among the power device (1), the slide rail device (2) and the driven device (3); the sample tube cover holding device (6) is arranged right above the driven device (3) and used for holding and taking down the sample tube cover.

2. The shaft-connected transmission switch cover device according to claim 1, wherein the power device (1) comprises a main power shaft (11), a coupling (13) and an external motor (14); the main power shaft (11) is fixed on one side of the bottom surface of the bottom plate (7); a driving gear (12) is arranged at one end part of the main power shaft (11) far away from the bottom plate (7); the coupler (13) is fixedly connected with the main power shaft (11); the main power shaft (11) is connected with an external motor (14) through a coupling (13).

3. A shaft-drive switch cover device according to claim 1, wherein the slide rail device (2) comprises a fixed plate (21), a slide rail (22) and a rack (23); the slide rail device (2) is fixed on the other side of the bottom surface of the bottom plate (7); a sliding chute (24) is arranged on the fixed plate (21); the sliding rail (22) is connected with the sliding groove (24) in a sliding manner; the rack (23) is fixedly connected with the sliding rail (22).

4. A cover coupling transmission switch device according to claim 3, wherein the rack (23) is provided between the main power shaft (11) and the slide rail (22); the rack (23) is meshed with a gear (12) on the main power shaft (11).

5. A shaft-drive lid arrangement according to claim 1, wherein the driven arrangement (3) comprises a driven shaft (31); the driven shaft (31) and the main power shaft (11) are arranged side by side; and a driven gear (32) is arranged at the end part of one end of the driven shaft (31) far away from the bottom plate (7).

6. A shaft-drive lid assembly according to claim 5, wherein the driven shafts (31) are of the same size;

and/or the number of the driven shafts (31) is more than or equal to 2;

and/or the distance between the driven shafts (31) is more than or equal to 0.5 mm;

and/or the distance between the main power shaft (11) and the driven shaft (31) is more than or equal to 0.5 mm;

and/or the diameter of the main power shaft (11) is larger than or equal to that of the driven shaft (31).

7. The cover device according to claim 1, wherein the sample introduction device (4) comprises a sample tube holder (41); the sample pipe support (41) is arranged at the position, corresponding to the driven shaft (31), of the front surface of the bottom plate (7), and the sample pipe support (41) is mechanically and fixedly connected with the driven shaft (31); the sample tube holder (41) comprises a fixing device (42) which can fix the sample tube on the sample tube holder (41); the sample pipe bracket (41) can be also provided with a sample pipe sleeve (43).

8. The cover device according to claim 1, further comprising a limiting device (5); the limiting device (5) comprises a limiting stopper (51), and the limiting stopper (51) is arranged at two ends of the base (8).

9. The cover connecting-shaft transmission switch device according to claim 1, characterized in that the sample tube cover holding device (6) comprises a bracket (61) and a holding claw (62); the holding claw (62) is fixed on the bracket (61); the holding claw (62) corresponds to the sample pipe bracket (41).

10. The use method of the shaft-connected transmission switch cover device according to any one of claims 1 to 9, characterized by comprising the following steps;

1) before starting, placing the sample tube in a sample introduction device (4);

2) the starting device is used, the sample tube cover holding device (6) moves downwards to hold each sample tube cover, and the power device (1) enables the sample tube covers to start working, so that the slide rail device (2) can be driven to move;

3) the slide rail device (2) drives the driven device (3) to synchronously move clockwise, the slide rail device (2) stops after moving for a certain distance, the sample tube cover holding device (6) synchronously moves upwards in the process, and the sample tube cover opening is completed at the moment;

4) the power device (1) reversely enables to work, the slide rail device (2) is driven to reversely move, after concentric transmission, the slide rail device (2) drives the driven device (3) to synchronously move anticlockwise, the slide rail device (2) stops after moving for a certain distance, the sample tube cover clasping device (6) synchronously moves downwards, the sample tube is closed at the moment, and the whole process is used for 5-40 s.

Technical Field

The invention relates to the technical field of transmission devices, in particular to a connecting shaft transmission switch cover device and a using method thereof.

Background

Mature nucleic acid detection technology has been widely applied to various scenes such as clinical examination, disease prevention and control, food safety detection, import and export quarantine detection and the like due to the advantages of strong specificity, high sensitivity, short detection window period and the like. Particularly, for the detection, monitoring and control of infectious/infectious diseases, the requirement of rapid and accurate gene diagnosis is more prominent. In time, along with blowout of automatic detection demands, a large quantity of small-sized automatic detection equipment is also rapidly pushed out, manual operations such as uncovering are assisted, and the like, so that the integrated automatic detection system serves a front-line detection market.

Wherein, automatic uncapping device is big because of its technical difficulty, demand differentiation degree is high, has greatly restricted the research of full automatization instrument, especially in the high flux detection of the big sample volume of short time is used, and artifical uncapping then is showing when increasing medical personnel's exposure risk, and long-time operation has also greatly aggravated medical personnel's work burden. The prior art lacks a sample automation operating device which is simple and convenient to operate, stable and reliable.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, the present invention aims to provide a shaft-linked transmission cover opening and closing device capable of opening and closing a plurality of sample tubes in a single continuous manner and a use method thereof, which are used for solving the problem of batch cover opening processing of high-flux sample detection in the prior art.

To achieve the above and other related objects, the present invention provides a shaft-coupled cover opening and closing apparatus, comprising: the sample tube cover clamping device comprises a power device, a slide rail device, a driven device, a sample feeding device and a sample tube cover clamping device; the power device is connected with the sliding rail device; the slide rail device is connected with the driven device; the driven device is connected with the sample feeding device; the sample tube is controlled to rotate clockwise and anticlockwise through the linkage effect among the power device, the slide rail device and the driven device; the sample tube cover holding device is arranged right above the driven device and used for holding and taking down the sample tube cover.

Preferably, the power device comprises a main power shaft, and the main power shaft is fixed on one side of the bottom surface of the bottom plate; a gear is arranged at the end part of one end of the main power shaft, which is far away from the bottom plate; the main power shaft coupler is fixedly connected with the main power shaft; the main power shaft is connected with an external motor through a main power shaft coupler.

Preferably, the slide rail device comprises a fixing plate, a slide rail and a rack; the sliding rail device is fixed on the other side of the bottom surface of the bottom plate; the fixed plate is provided with a sliding chute; the sliding rail is connected with the sliding groove; the rack is connected with the sliding rail

Preferably, the rack is arranged between the main power shaft and the slide rail; the rack is fixedly connected with the sliding rail; the rack is meshed with the main power shaft.

Preferably, the driven means comprises a driven shaft; the driven shaft and the main power shaft are arranged in parallel; and a gear is arranged at the end part of one end of the driven shaft, which is far away from the bottom plate.

Preferably, the sample introduction device comprises a sample tube holder; the sample pipe bracket is arranged at the position, corresponding to the driven shaft, of the front surface of the bottom plate, and the sample pipe bracket is mechanically and fixedly connected with the driven shaft; the sample tube holder is internally provided with a fixing device, so that the sample tube can be fixed on the sample tube holder; the sample pipe bracket can be also provided with a sample pipe sleeve.

Preferably, the shaft-connecting transmission switch cover device further comprises a limiting device; the limiting device comprises limiting devices, and the limiting devices are arranged at two ends of the base. Preferably, the sample tube cover holding device comprises a bracket and a holding claw; the holding claw is fixed on the bracket; the holding claw corresponds to the sample pipe support.

A use method of a shaft-connected transmission switch cover device comprises the following steps:

1) before starting, placing the sample tube in a sample introduction device;

2) the sample tube cover holding device moves downwards to hold each sample tube cover, and the power device enables the sample tube covers to start working, so that the slide rail device can be driven to move;

3) the slide rail device drives the driven device to synchronously move clockwise, the slide rail device stops after moving for a certain distance, the sample tube cover holding device synchronously moves upwards in the process, and the sample tube cover opening is finished at the moment;

4) the power device is enabled to work reversely, the slide rail device is driven to move reversely, after concentric transmission, the slide rail device drives the driven device to move synchronously anticlockwise, the slide rail device stops after moving for a certain distance, the sample tube cover clasping device moves synchronously downwards in the process, the sample tube cover closing is completed at the moment, and the whole process is used for 5-40 s.

As described above, the coupling transmission switch cover device and the use method thereof of the invention have the following beneficial effects:

according to the shaft-connected transmission switch cover device, the power device, the slide rail device, the driven device, the sample feeding device, the limiting device and the sample tube cover holding device are combined to form the shaft-connected transmission switch cover device, so that the detection speed of high-flux sample continuous processing is higher, daily detection and measurement are larger, the efficiency is obviously improved, the problem of rapid batch switch cover processing of samples in field high-flux detection is solved, the development of high-flux full-automatic equipment is realized, and the development of a large-flux full-automatic instrument is promoted.

Drawings

FIG. 1 is a schematic view of a sample tube-containing sleeve of the cover device of the present invention.

Fig. 2 is a perspective view of the cover opening and closing device with shaft transmission according to the present invention.

Fig. 3 is a front view of the cover opening and closing device of the present invention.

Fig. 4 shows a rear view of the cover opening and closing device of the present invention.

Fig. 5 is a left side view of the cover opening and closing device of the present invention.

Fig. 6 is a right side view of the cover assembly of the shaft-coupled transmission switch of the present invention.

Fig. 7 is a top view of the cover assembly of the shaft-coupled transmission switch of the present invention.

Fig. 8 is a bottom view of the cover assembly of the shaft-coupled transmission switch of the present invention.

Fig. 9 is a schematic view of the connecting shaft transmission switch cover device of the present invention connected to an external motor.

In the figure, 1, a power device; 2. a slide rail device; 3. a driven device; 4. a sample introduction device; 5. a limiting device; 6. the sample tube cover holding device; 7. a base plate; 8. a base; 11. a main power shaft; 12. a driving gear; 13. a coupling; 14. connecting an external motor; 21. a fixing plate; 22. a slide rail; 23. a rack; 24. a chute; 31. a driven shaft; 32. a driven gear; 41. a sample pipe bracket; 42. a fixing device; 43 a sample tube sleeve; 51. a stopper; 61. a support; 62. and (5) embracing the claws.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.

Please refer to fig. 1 to 8. It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.

As shown in fig. 1 to 8, in one aspect, the invention provides a coupling transmission switch cover device, which includes a power device 1, a slide rail device 2, a driven device 3, a sample introduction device 4 and a sample tube cover holding device 6; the power device 1 drives the slide rail device 2; the slide rail device 2 drives the driven device 3; the driven device 3 is connected with a sample feeding device 4; the sample tube is controlled to rotate clockwise and anticlockwise through the linkage effect among the power device 1, the slide rail device 2 and the driven device 3; the sample tube cover holding device 6 is arranged right above the driven device 3 and used for holding and taking down the sample tube cover.

The invention relates to a shaft transmission switch cover, which utilizes a shaft transmission device, under the action of a power device 1, a slide rail device 2 is driven to move, power is evenly distributed among driven devices 3 instantly, the driven devices 3 are driven to simultaneously and continuously move, when a sample tube is inserted into a mechanically fixed sample injection device 4, the sample injection device 4 drives the sample tube to continuously and uniformly move, and a sample tube cover holding device is attached, so that a plurality of sample tubes can be switched on and off in a single continuous way while reverse acting force is transmitted.

The shaft-connected transmission switch cover device provided by the invention can comprise: the power device 1 comprises a main power shaft 11, and the main power shaft 11 is fixed on one side of the bottom surface of the bottom plate 7; a driving gear 12 is arranged at one end part of the main power shaft 11 far away from the bottom plate 7; the driving gear 12 and the main power shaft 11 can be integrally formed or can be detachably and fixedly connected; the coupler 13 is fixedly connected with the main power shaft 11; the main power shaft 11 is connected with an external motor 14 through a coupling 13. The external motor may be a motor conventional in the art, for example: stepper motors, brushless dc motors, permanent magnet synchronous motors, etc.

The shaft-connected transmission switch cover device provided by the invention can also comprise: the slide rail device 2 comprises a fixed plate 21, a slide rail 22 and a rack 23; the slide rail device 2 is fixed on the other side of the bottom surface of the bottom plate 7; the fixed plate 21 is provided with a chute 24; the slide rail 22 is connected with the slide groove 24 in a sliding way; the rack 23 is fixedly connected with the slide rail 22. The rack 23 is arranged between the main power shaft 11 and the slide rail 22; the rack 23 is engaged with a gear on the main power shaft 11. Preferably, the rack 23 and the slide rail 22 are fixedly connected through a screw, the rack 23 and the slide rail 22 are in linkage relation, and the two move synchronously under the driving of the power device 1.

The shaft-connected transmission switch cover device provided by the invention can also comprise: the driven device 3 includes a driven shaft 31; the driven shaft 31 is arranged side by side with the main power shaft 11; the end of the driven shaft 31 far away from the bottom plate 7 is provided with a driven gear 32. The driven shafts 31 are the same in size; the number of the driven shafts 31 is more than or equal to 2, so that concentric transmission can be realized; the distance between the driven shafts 31 is more than or equal to 0.5 mm; the distance between the driven shafts 31 is determined by the sample tubes actually used, the distance between the sample tubes can determine the distance between the sample tube holders 41, namely the distance between the driven shafts 31, and the distance between the driven shafts 31 is more than or equal to 0.5mm, so that the operation stability and the compatibility of the whole device can be improved. The distance between the main power shaft 11 and the driven shaft 31 is more than or equal to 0.5 mm; the diameter of the main power shaft 11 is larger than or equal to that of the driven shaft 31; the diameter of the driven shaft 31 is preferably greater than or equal to 2 times the diameter of the main power shaft 11. If the diameter of the main power shaft 11 is equal to the diameter of the driven shaft 31, when the main power shaft 11 enables to work, the driven shafts 31 from left to right have time delay function in sequence; if the diameter of the main power shaft 11 is 2 times of the diameter of the driven shaft 31, when the main power shaft 11 enables operation, the delay effect of each driven shaft of the driven shaft 31 is negligible, that is, the diameter of the main power shaft 11 is larger than that of the driven shaft 31, which is more beneficial to concentric transmission.

The shaft-connected transmission switch cover device provided by the invention can also comprise: the sample introduction device 4 comprises a sample tube holder 41; the sample pipe bracket 41 is arranged at the position, corresponding to the driven shaft 31, of the front surface of the bottom plate 7, and the sample pipe bracket 41 is mechanically and fixedly connected with the driven shaft 31; the sample tube holder 41 contains a fixing device 42, so that the sample tube can be fixed on the sample tube holder 41; the sample pipe holder 41 may further be provided with a sample pipe sleeve 43. The sample tube holder 43 has a hollow portion having a size corresponding to the sample tube holder 41. The sample tube sleeve 43 is arranged to enable the sample tube to be more vertical after being placed on the sample tube holder 41, the consistency is higher, the sample tube cover tightly-holding device 6 is facilitated to carry out cover opening and closing operation, the occurrence of a wire sliding condition is avoided, and the continuous and smooth work of the whole device is facilitated.

The shaft-connected transmission switch cover device provided by the invention can also comprise: the limiting device 5 comprises limiting stoppers 51, and the limiting stoppers 51 are arranged at two ends of the base 8. The stopper 51 may be a mechanical structure as shown in fig. 7 and 8, or may be a conventional electronic stopper sensor, and the electronic fiber sensor is preferably an electronic stopper of an ohilon or mitsubishi.

The shaft-connected transmission switch cover device provided by the invention can also comprise: the sample tube cover holding device 6 comprises a bracket 61 and a holding claw 62; the holding claw 62 is fixed on the bracket 61; the holding claw 62 corresponds to the sample tube holder 41. The sample tube cover clasping device 6 comprises a plurality of clasping claws 62 corresponding to the sample tube holder 41 and moves simultaneously with the main power shaft 6, when the main power shaft 11 is enabled in the forward direction under the action of the external power device, the sample tube cover clasping device 6 synchronously moves upwards, and when the main power shaft 11 is enabled in the reverse direction, the sample tube cover clasping device 6 synchronously moves downwards. Under the hardware framework of the invention, the external motor 14 can be additionally provided with software to control the sample tube cover holding device 6 and the main power shaft 11 to synchronously operate.

The invention also provides a use method of the connecting shaft transmission switch cover device, which comprises the following steps:

1) before starting, placing the sample tube in a sample introduction device 4;

2) the device is started, the sample tube cover holding device 6 moves downwards to hold each sample tube cover tightly, and the power device 1 enables the sample tube covers to start working, namely the slide rail device 2 can be driven to move;

3) the slide rail device 2 drives the driven device 3 to synchronously move clockwise, the slide rail device 2 stops after moving for a certain distance, the sample tube cover holding device 6 synchronously moves upwards in the process, and the sample tube cover opening is finished at the moment;

4) the power device 1 is enabled to work reversely, the slide rail device 2 is driven to move reversely, after concentric transmission, the slide rail device 2 drives the driven device 3 to move synchronously anticlockwise, the slide rail device 2 stops after moving for a certain distance, the sample tube cover clasping device 6 moves synchronously downwards in the process, the sample tube cover closing is completed at the moment, and the whole process is used for 5-40 s.

In step 1), the sample tube is placed on a sample tube holder 41 in the sample injection device 4. When a sample tube is contained, it is placed in the sample tube 43 and fixed to the sample tube holder 41.

In the step 2), after the sample tube cover holding device 6 moves down, the holding claws 62 hold the sample tube covers tightly.

In the step 3), the rack 23 of the slide rail device 2 drives the driven shaft 31 of the driven device 3 to synchronously move clockwise until the slide rail 22 of the slide rail device 2 moves to the stopper 51, and the slide rail device 2 automatically stops.

In the step 4), when the power device 1 is enabled to work reversely, the sliding rail 22 of the sliding rail device 2 is driven to move leftwards, the rack 23 synchronously moves leftwards, meanwhile, the rack 23 drives the driven shaft 31 of the driven device 3 to synchronously move anticlockwise, and the sliding rail device 2 automatically stops until the rack 23 of the sliding rail device 2 moves to the limiting device 5.

When the sample tube opening and closing device is used, firstly, the sample tube is opened by the connecting shaft transmission opening and closing device, the sample tube is placed on the sample tube holder 41, the external power device is started, the sample tube cover holding device 6 moves downwards, the holding claw 61 holds the sample tube cover, the main power shaft 11 starts to rotate, the gear 12 on the main power shaft 11 rotates to drive the rack 23 to synchronously move rightwards, the rack 23 and the slide rail 22 are driven together to drive the gear 32 mounted on the driven shaft 31 to synchronously move, namely, clockwise synchronously move until the slide rail 22 touches the stopper 51, the slide rail device 2 automatically stops, in the process, the sample tube cover holding device 6 synchronously moves upwards, and the sample tube cover is opened under the action of the sample tube cover holding device 6. After the sampling is finished, the cover closing operation is carried out on the sample tube by the connecting shaft transmission cover opening and closing device, the main power shaft 11 is enabled reversely under the action of the external power device, the sliding rail 22 moves leftwards, the rack 23 moves leftwards synchronously, after concentric transmission, all the driven shafts 31 move anticlockwise and synchronously, until the rack 23 moves to the limiter 51, the sliding rail device 2 stops automatically, the sample tube cover enclasping device 6 moves downwards synchronously in the process, the cover closing action of the sample tube cover is finished, and the enclasping claw releases the sample tube cover.

In one embodiment, the apparatus is shown in fig. 1, and when the shaft-driven cover opening and closing device is used for opening and closing 8 sample tubes, the method comprises the following steps:

1) before the external motor is started, placing the sample tube in the sample tube sleeve;

2) the distance between the main power shaft 11 and the driven shafts 31 is 10mm, the sizes of the main power shaft 11 and the driven shafts 31 are the same, and the distance between the driven shafts 31 is 1 mm; starting the device, moving the sample tube cover holding device 6 downwards to hold each sample tube cover, and enabling the main power shaft 11 to work in a positive direction by an external motor 14 through a main power shaft coupler 13 to drive the rack 23 to move rightwards;

3) the slide rail 22 synchronously moves rightwards, after concentric transmission, each driven shaft 31 synchronously moves clockwise until the driven shaft moves to the limiting stopper 51, the slide rail device 2 automatically stops, the sample tube cover clasping device 6 clasps the sample tube cover to move upwards in the process, and the sample tube is opened;

4) after sampling, the main power shaft 11 is enabled to work reversely by the external motor 14, the slide rail 22 and the rack 23 move leftwards synchronously, after concentric transmission, each driven shaft 31 moves anticlockwise and synchronously until the rack 23 moves to the limiter 51, the slide rail device 2 stops automatically, the sample tube cover holding device 6 holds the sample tube cover to move downwards in the process, and the sample tube is closed.

The whole process of opening and closing the cover of the sample tube only needs 18s, and the process is a fully automatic process, so that the workload is greatly reduced.

In another embodiment, the cover opening and closing device can simultaneously perform the cover opening and closing operation on 20 sample tubes. The sample tube of the embodiment only needs 15s for the whole process of opening and closing the cover.

In conclusion, the shaft-connected transmission cover opening and closing device enables the cover opening and closing to be automatic, can continuously open and close the cover, solves the problem of batch cover opening in high-throughput detection, and greatly improves the detection efficiency. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.