CN115165463A - Sampling device for medical examination - Google Patents

Abstract

The utility model relates to a sampling device for medical science inspection, include the workstation and set up the frame on the workstation, many test tubes have been placed on the workstation, be connected with the mount in the frame, be connected with on the mount and rotate the seat, one side of mount is provided with and is used for the drive to rotate seat pivoted runner assembly, the lateral wall that rotates the seat is provided with three lead screw motor, it is provided with the sliding seat to slide on the lead screw of lead screw motor, be connected with the sample assembly on the sliding seat, the sample assembly includes the sampling tube and sets up the sample syringe needle in the sampling tube bottom, the one end that the sampling tube kept away from the sample syringe needle is connected with the extraction subassembly that is used for extracting the sample intraductal, the extraction subassembly includes the pump, connect in the inlet tube of pump water inlet and connect in the outlet pipe that the pump pumps the mouth, the one end of inlet tube stretches into in the sampling tube, the one end of outlet pipe is connected with the reservoir. The method and the device have the effects of sampling a plurality of samples simultaneously and continuously sampling the same sample for a plurality of times.

Description

Sampling device for medical examination

Technical Field

The application relates to the technical field of medical treatment inspection apparatus, especially, relate to a sampling device for medical science inspection.

Background

Medical testing is a science of microbiology, immunology, biochemistry, genetics, hematology, biophysics, cytology, etc., of materials taken from the human body, providing information for the prevention, diagnosis, treatment of human diseases and assessment of human health. In medical sampling, a medical sampling device is typically used to take a small sample and then the sample is tested by a testing apparatus.

Sampling device among the correlation technique mainly includes rubber head burette sample and piston sample, and wherein, the burette sample is mostly by the glass straw and be located the rubber gasbag of glass straw one end and constitute, stretches into the sample through the one end of sampling personnel with the glass straw when the sample, holds between the fingers the rubber gasbag through artifical hand in order to absorb the sample, reaches the effect of sample. The dropper sampling mode needs manual judgment to judge whether the sampling amount meets the standard, and accurate control cannot be achieved. The piston type sampling device mainly comprises a needle cylinder and a piston arranged in the needle cylinder, wherein one end of the needle cylinder is a needle head, and one end of the needle cylinder, which is far away from the needle head, is a pull rod for being pulled by hands. The needle is inserted into the sample by a sampling person, and the pull rod is pulled to enable the piston to move to extract the sample. Although the extraction amount can be specified by adopting the piston needle cylinder for sampling, the extraction amount needs to be checked by naked eyes during the sampling process, and the operation is troublesome. The sample mode of these two kinds of sampling device all needs artifical manual going to extract the sample of treating the inspection, when needs the multiunit sample to carry out the contrast experiment, needs the manual work to extract the sample in succession, is unfavorable for improving the work efficiency of sample and inspection.

Disclosure of Invention

In order to improve the phenomenon that the sampling device in the related art cannot continuously sample for multiple times, the application provides a sampling device for medical examination.

The application provides a sampling device for medical science inspection adopts following technical scheme:

the utility model provides a sampling device for medical science inspection, include the workstation and set up in frame on the workstation, be provided with the test-tube rack that is used for placing the test tube on the workstation, be connected with the mount in the frame, be connected with on the mount and rotate the seat, one side of mount is provided with and is used for the drive rotate seat pivoted runner assembly, the lateral wall that rotates the seat is provided with three lead screw motor, it is provided with the sliding seat to slide on the lead screw of lead screw motor, the lateral wall that rotates the seat be provided with be used for with the slide rail of the connection of sliding seat that slides, be connected with on the sliding seat and be used for carrying out the sample assembly of taking a sample to the sample, sample assembly include the sampling tube with set up in the sample syringe needle of sampling tube bottom, the top of sampling tube is connected with and is used for the extraction the pump of the sample in the sampling tube, the water inlet of pump is connected with the inlet tube, the one end of inlet tube stretches into in the sampling tube, the pump outlet is connected with the reservoir that is used for storing the sample.

Through adopting above-mentioned technical scheme, place on the test-tube rack of workstation as the test tube that will treat the sample, thereby go up and down to carry out the sample operation to the sample through drive lead screw motor drive sliding seat and sampling tube, draw through the pumpingh and make the sample flow into the reservoir in from the sampling tube and store. When the sample of extraction is adjusted to needs, make through rotating assembly and rotate the seat to the sample of the different test tubes on the adaptation test-tube rack, the multiunit sampling assembly that sets up like this can sample the multiunit sample simultaneously, can also carry out a lot of continuous samplings, has improved the work efficiency of sample.

Preferably, the rotating assembly comprises a fixed seat connected to one side of the fixed frame and a rotating disc arranged below the fixed seat, the rotating seat is rotatably connected to the bottom edge of the rotating disc, and a transmission assembly used for driving the rotating disc to rotate is arranged on the fixed seat.

Through adopting above-mentioned technical scheme, when control transmission assembly, the rolling disc can rotate by relative fixing base, drives simultaneously and rotates the seat and rotate for the position of sampling tube and sample syringe needle can change, thereby carries out the sample operation to the different test tubes on the disc, adjusts the sample operation with the sample in different positions of adaptation through the rolling disc in the position of sampling tube.

Preferably, the transmission assembly comprises a rotating motor arranged on the fixed seat and a speed reducing motor connected with an output shaft of the rotating motor, the output shaft of the speed reducing motor extends into the fixed seat, and the output shaft of the speed reducing motor is connected with one side of the rotating disc.

Through adopting above-mentioned technical scheme, the output shaft of rotation motor gear motor for the slew velocity of rolling disc can not be too fast, when control rotation motor rotated, can drive rolling disc and rotation seat and rotate, thereby made sampling tube and sample syringe needle can rotate along with the rotation of rolling disc and come the adjusting position.

Preferably, the rotating disc is provided with a rotating shaft, the rotating shaft penetrates through the fixed seat and is connected with the fixed seat in a rotating mode, and an output shaft of the speed reduction motor penetrates into the rotating shaft and is fixed through a bolt.

Through adopting above-mentioned technical scheme, be connected through the axis of rotation between rolling disc and the gear motor, be through the bolt fastening between gear motor's output shaft and the axis of rotation for the gear motor can drive the rolling disc and carry out stable rotation.

Preferably, a limiting component used for limiting the rotation amplitude of the rotating disc is arranged on the fixed seat.

Through adopting above-mentioned technical scheme, spacing subassembly can restrict the rotation range of rolling disc, prevents that the rotation range of rolling disc is too big and hit the mount on, cause harmful effects.

Preferably, spacing subassembly including set up in the mount orientation stopper, a plurality of seting up in rolling disc one side support on the rolling disc and connect the hole, wherein two the downthehole joint cooperation of butt has the butt piece, the one end of butt piece is provided with the joint edge, the butt downthehole seted up be used for with joint edge joint complex joint groove.

Through adopting above-mentioned technical scheme, be provided with a plurality of butt holes on the rolling disc, through inserting the butt piece in the butt hole of two differences, thereby the drive rotates when the motor makes the rolling disc rotate, the rolling disc rotates when a butt piece butt in the outside of stopper, thereby the butt of butt piece and stopper restricts the rolling disc and continues toward this side motion, the drive rotates the motor this moment and makes the rolling disc carry out with the opposite direction rotation of current direction, when opposite side butt piece butt in the opposite side of stopper, the drive motor of controlling again makes the rolling disc reverse motion. Thereby restrict the rotation range of rolling disc through the mode that sets up the butt piece, thereby change the rolling disc can pivoted range through changing the position between two butt pieces to it is unanimous with required pivoted range to conveniently control the rolling disc. The butt piece is fixed through the joint cooperation with the butt hole to make the butt piece fix the lateral wall at the rolling disc, make when the drive rotates the motor and makes the rolling disc rotate, the butt piece can not receive external force to fall out outside the butt piece.

Preferably, one side of the limiting block, which faces the rotating disc, is provided with an elastic pad for buffering.

Through adopting above-mentioned technical scheme, set up the cushion in one side that the stopper faces the rolling disc for can act as the cushioning effect when butt piece butt in the stopper, prevent that rolling disc and stopper direct striking from causing the damage.

Preferably, the sampling tube overcoat is equipped with and is used for sealing the closing assembly of sample syringe needle below, closing assembly include the urceolus and set up in inner tube in the urceolus, the one end of inner tube stretches out outside the urceolus, just the inner tube can be relative the urceolus rotates, the centre bore has been seted up to the bottom of inner tube, one side of centre bore is connected with the closing cap, the centre bore with be provided with the torsional spring between the closing cap, work as when the torsional spring is under normal condition, the closing cap with the centre bore separation, the inner tube orientation one side of closing cap is provided with and is used for the butt the lug of closing cap.

Through adopting above-mentioned technical scheme, when the torsional spring is in under the normal condition, the closing cap is with the centre bore separation, at this moment sampling tube and sample syringe needle can go up and down to carry out the sample operation through the centre bore, rotate when the relative urceolus of inner tube and make the lug butt in one side of closing cap for the closing cap receives the butt power of lug and removes to the direction of centre bore, thereby seal and live the centre bore position, make the sample syringe needle be located the inner tube, prevented that the bacterium adhesion in the outside air from polluting the sample on the sample syringe needle.

Preferably, an inclined surface is arranged on one side, facing the sealing cover, of the projection, and a driving component for driving the inner cylinder to rotate until the projection abuts against the sealing cover is arranged outside the inner cylinder.

By adopting the technical scheme, the inclined plane is arranged on the bump, so that when the inner barrel is rotated, one side of the sealing cover can move along the direction of the inclined plane, and the bump can be abutted with the sealing cover to close the central hole.

Preferably, the driving assembly comprises an outer gear ring sleeved at one end of the inner cylinder extending out of the outer cylinder, a driving gear meshed with the outer gear ring and a driving motor connected with the driving gear, and the driving gear is fixedly sleeved on an output shaft of the driving motor.

Through adopting above-mentioned technical scheme, when control driving motor made the driving gear take place to rotate, drive outer ring gear and inner tube and take place to rotate to make the lug move to butt or keep away from the closing cap, so that open or close the closing cap.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when taking a sample to the test tube on the disc, thereby rotate the lead screw motor drive sampling tube and the downstream of sample syringe needle in the seat through the drive, make sample syringe needle extraction sample through the control pumpingwhen extracting the sample, the sample flows to and stores in the reservoir for sample operation is simplified. Meanwhile, the rotary motor can be driven to drive the rotary disc to rotate, so that the sampling needle can adjust the position to sample a plurality of groups of samples simultaneously, the working efficiency of sampling and subsequent inspection is improved, manual operation is not needed for sampling, and the accuracy is ensured;

2. before taking a sample and after taking a sample, make the inner tube rotate through control driving motor to make the lug open or close the centre bore along the circumference direction motion of inner tube, make and open or close sampling channel, the setting up of seal assembly enables the sample syringe needle anti-pollution, avoids receiving the bacterial contamination sample in the air because the sample syringe needle exposes in the air.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic illustration of an explosive structure according to an embodiment of the present application;

FIG. 3 is a schematic view, partly in section, of an embodiment of the present application;

FIG. 4 is an enlarged partial schematic view of portion A of FIG. 3;

FIG. 5 is a schematic view of the structure of the cover closing the central hole in the embodiment of the present application;

fig. 6 is a schematic structural view of the cover opening center hole in the embodiment of the present application.

In the figure, 1, a workbench; 2. a frame; 21. a disc; 211. a central shaft; 212. a test tube rack; 3. a fixed mount; 31. a limiting block; 32. an elastic pad; 4. a fixed seat; 41. grooving; 42. a circular hole; 43. opening a hole; 5. rotating the motor; 6. a reduction motor; 61. perforating; 7. rotating the disc; 71. a rotating shaft; 711. connecting holes; 72. abutting against the hole; 721. a clamping groove; 73. a butting block; 731. clamping edges; 8. rotating the base; 81. connecting columns; 82. a containing groove; 83. a screw motor; 84. a sliding seat; 841. a screw hole; 85. a slide rail; 9. a sampling tube; 91. a sampling needle; 10. pumping; 101. a water inlet pipe; 102. a water outlet pipe; 11. a reservoir; 111. an inlet; 112. a dial gauge; 113. a liquid outlet pipe; 12. an outer cylinder; 13. an inner barrel; 131. a central bore; 132. sealing the cover; 133. a torsion spring; 134. a bump; 135. an outer ring gear; 136. a driving gear; 137. the motor is driven.

Detailed Description

The present application is described in further detail below with reference to fig. 1-6.

The utility model provides a sampling device for medical science inspection, refers to fig. 1, includes workstation 1 and sets up frame 2 on workstation 1, and frame 2 is located one side of workstation 1, and frame 2 is vertical setting. One side that frame 2 was kept away from to the upper surface of workstation 1 is provided with disc 21, and the center of disc 21 is connected with center pin 211, and the bottom of disc 21 is connected to the one end of center pin 211, and the other end of center pin 211 is connected on workstation 1 for disc 21 is fixed in on the workstation 1. The disc 21 is provided with a test tube rack 212, a plurality of test tubes are placed on the test tube rack 212, and samples to be sampled are filled in the test tubes.

Referring to fig. 1 and 2, a fixing frame 3 is connected to the frame 2, one side of the fixing frame 3 is connected to a side wall of the frame 2, and the other side of the fixing frame 3 is connected to a fixing seat 4. The cross-section of fixing base 4 is the rectangle setting, has seted up fluting 41 in the fixing base 4, and fluting 41 is located fixing base 4 and is close to one side of up end, and fluting 41 runs through four adjacent lateral walls of fixing base 4.

Referring to fig. 1 and 2, a rotating motor 5 is arranged above the fixed seat 4, the rotating motor 5 is vertically arranged, and the rotating motor 5 can rotate. The output shaft of the rotating motor 5 is connected with the speed reducing motor 6 downwards, the round hole 42 matched with the output shaft of the speed reducing motor 6 in size is formed in the upper surface of the fixing seat 4, and the round hole 42 penetrates through the upper surface of the fixing seat 4, so that the output shaft of the speed reducing motor 6 penetrates into the groove 41 downwards from the round hole 42.

Referring to fig. 1 and 2, a rotating disc 7 is disposed below the fixed seat 4, a rotating shaft 71 is connected to a center of the rotating disc 7, and one end of the rotating shaft 71 is connected to an upper surface of the rotating disc 7. The lower surface of fixing base 4 is seted up the trompil 43 with the size looks adaptation of axis of rotation 71, and trompil 43 sets up with round hole 42 relatively, and trompil 43 runs through the lower surface of fixing base 4, and trompil 43 link up with round hole 42. The end of the rotary shaft 71 remote from the rotary disk 7 projects from the opening 43 into the slot 41. A bearing connection is provided between the rotary shaft 71 and the opening 43. Wherein, the outer lane of bearing and the inner wall fixed connection of trompil 43, the inner circle and the axis of rotation 71 fixed connection of bearing, the axis of rotation 71 is kept away from the one end of trompil 43 and has been seted up connecting hole 711, connecting hole 711 runs through the inside and outside both sides of axis of rotation 71, the output shaft of gear motor 6 penetrates one side of fluting 41 and has been seted up perforation 61, perforation 61 sets up with connecting hole 711 relatively. The diameter of gear motor 6's output shaft is less than the diameter of axis of rotation 71, make gear motor 6's output shaft can penetrate in the axis of rotation 71, make perforation 61 and connecting hole 711 counterpoint mutually, through wear to establish the bolt in perforation 61 and connecting hole 711, realize gear motor 6 and rolling disc 7's fixed connection, thereby when realizing drive rotation motor 5, rolling disc 7 can rotate with rotation motor 5 together, rotation motor 5 rotates fixing base 4 with the rolling disc 7 homogeneous phase.

Referring to fig. 1 and 2, a plurality of abutting holes 72 are formed in the outer edge of the rotating disc 7, the abutting holes 72 are uniformly distributed along the circumferential direction of the rotating disc 7, and two abutting holes 72 are engaged with abutting blocks 73. Butt piece 73 is cylindrical setting, butt piece 73's one end is provided with the joint along 731, the joint sets up along 731 along the circumferential direction of butt piece 73, butt in the hole 72 relative joint is provided with joint groove 721 along 731's position, be provided with the joint through butt piece 73 and stretch into in the hole 72 along 731 one end, make the joint along 731 and joint groove 721 relative position joint cooperation, thereby make butt piece 73 fix the lateral wall at rolling disc 7, make when the drive rotates motor 5 and makes rolling disc 7 rotate, butt piece 73 can not receive external force to fall out outside butt piece 73.

Referring to fig. 1 and 2, a limiting block 31 for limiting the rotation amplitude of the rotating disc 7 is disposed on one side of the fixed frame 3 close to the rotating disc 7, the cross section of the limiting block 31 is semi-cylindrical, the opening of the limiting block 31 is hollow, the opening of the limiting block 31 faces the outer side of the rotating disc 7, and one side of the limiting block 31 away from the opening is fixed on the fixed frame 3. One side of the rotating disc 7 is accommodated in the stopper 31, and the diameter of the stopper 31 is larger than that of the rotating disc 7, so that the rotating disc 7 can rotate relative to the stopper 31. The limiting block 31 is provided with an elastic pad 32 for buffering on one side facing the rotating disc 7, and the elastic pad 32 can serve as a buffering function when the rotating disc 7 rotates to the position where the abutting block 73 abuts against the limiting block 31, so that large impact force is prevented when the rotating disc 7 abuts against the limiting block 31 for multiple times. Through adjusting two butt joint piece 73 joint in different butt joint hole 72 to when the drive rotates motor 5 and makes rolling disc 7 rotate, rolling disc 7 rotates to a butt joint piece 73 butt when the outside of stopper 31, thereby butt joint piece 73 and stopper 31's butt restriction rolling disc 7 continues to this direction motion, the drive rotates motor 5 this moment and makes rolling disc 7 carry out with the antiport of current direction, when opposite side butt joint piece 73 butt when the opposite side of stopper 31, control driving motor 137 again and make rolling disc 7 reverse motion. The rotation amplitude of the rotating disc 7 is limited by the manner of arranging the abutting blocks 73, and the rotation amplitude of the rotating disc 7 can be changed by changing the position between the two abutting blocks 73, so that the rotating disc 7 can be conveniently controlled to be consistent with the required rotation amplitude.

Referring to fig. 1 and 2, the bottom of the rotary disk 7 is rotatably connected with a rotary seat 8, the upper surface of the rotary seat 8 is provided with a connecting column 81 connected with the bottom of the rotary disk 7, one end of the connecting column 81 is connected with the central position of the upper surface of the rotary disk 7, and the other end of the connecting column 81 is connected with the bottom of the rotary disk 7 near the edge. Rotate seat 8 and be cylindrical setting, rotate the lateral wall of seat 8 and seted up three storage tank 82, three storage tank 82 is along the circumference direction equidistance distribution who rotates seat 8. All be provided with lead screw motor 83 in the three storage tank 82, lead screw motor 83 is vertical setting, and the one end of lead screw motor 83 is located the groove top of storage tank 82, and the other end of lead screw motor 83 rotates and connects in the tank bottom of storage tank 82. The lead screw of the lead screw motor 83 is located below the motor. The screw rod is provided with a sliding seat 84, the sliding seat 84 is provided with a screw hole 841 in threaded fit with the screw rod in a penetrating manner, and the screw rod penetrates through the sliding seat 84 and is in threaded connection with the sliding seat 84, so that the sliding seat 84 can rotate relative to the screw rod. The slide rail 85 is arranged on one side of the accommodating groove 82 facing the screw rod, one side of the sliding seat 84 is connected with the slide rail 85 in a sliding manner, and the sliding seat 84 can slide up and down relative to the length direction of the screw rod. When the screw motor 83 is controlled to operate, the screw rotates relative to the screw motor 83, so that the sliding seat 84 slides up and down along the length direction of the screw.

Referring to fig. 3 and 4, a sampling assembly for sampling a sample is attached to a side of the slide mount 84 remote from the slide rail 85. Sampling assembly includes sampling tube 9 and sets up in the sample syringe needle 91 of sampling tube 9 bottom, and sampling tube 9 is vertical setting, and the rubber buffer shutoff is passed through at the top of sampling tube 9, and sample syringe needle 91 is towards the upper surface of disc 21. Thereby slide along the length direction of the lead screw through the drive lead screw motor 83 drive sliding seat 84 to the realization is sampled the test tube of treating the sample on disc 21. Thereby make the sample assembly lift carry out sampling operation to the sample on the disc 21 through controlling three lead screw motor 83, realize sample many times and sample in succession, improve the work efficiency of sample.

Referring to fig. 2 and 3, the one end that sampling needle 91 was kept away from to sampling tube 9 is connected with pump 10, and the water inlet of pump 10 is connected with inlet tube 101, and the bottom that sampling tube 9 was stretched into from the rubber buffer to the one end that pump 10 was kept away from to inlet tube 101, and pump 10 delivery port is connected with outlet pipe 102, thereby makes sampling needle 91 extract the sample through controlling pump 10, and the sample gets into in the sampling tube 9 and flows to the inlet tube 101 in to reach the effect of extraction sample.

Referring to fig. 2 and 3, one end of the water outlet pipe 102, which is far away from the suction pump 10, is connected with a liquid reservoir 11, the liquid reservoir 11 is arranged in a cylindrical shape, an inlet 111 for communicating with the water outlet pipe 102 is formed in a side wall of the liquid reservoir 11, and the sample flows out of the water outlet pipe 102 and flows into the liquid reservoir 11 through the inlet 111. One side of the water outlet pipe 102 close to the liquid reservoir 11 is provided with a one-way valve, so that the sample can only flow into the liquid reservoir 11 through the water outlet pipe 102, but can not flow in the reverse direction, and the sample in the liquid reservoir 11 is prevented from flowing out of the water outlet pipe 102. The surface of the liquid storage device 11 is provided with a dial gauge 112, which is convenient for manually observing the sampling volume to judge whether to stop sampling. The bottom of the liquid storage device 11 is communicated with a liquid outlet pipe 113, a valve is arranged on the liquid outlet pipe 113, and whether the liquid outlet pipe 113 discharges liquid or not is controlled by rotating the valve, so that the amount of discharged liquid can be controlled.

Referring to fig. 4 and 5, sampling tube 9 and sampling needle 91 overcoat are equipped with and are used for sealing the closure assembly of sampling needle 91 below, and the closure assembly carries out the shutoff to sampling needle 91 when sampling needle 91 need not take a sample, prevents that the bacterium adhesion in the air from on sampling needle 91, pollutes the sample when carrying out a lot of samplings, influences the sample test result. The closure assembly includes an outer cylinder 12 connected to one side of the rotary base 8 and an inner cylinder 13 disposed inside the outer cylinder 12. The inner cylinder 13 is hollow, the length of the inner cylinder 13 is longer than that of the outer cylinder 12, the upper end of the inner cylinder 13 extends out of the outer cylinder 12, and the lower ends of the outer cylinder 12 and the inner cylinder 13 face the upper surface of the disc 21. The bottom of the outer cylinder 12 is provided with a large hole for the sampling needle 91 and the sampling tube 9 to pass through. The center of the bottom of the inner cylinder 13 is provided with a center hole 131, and the center hole 131 is communicated with the inside of the inner cylinder 13. One side of the central hole 131 is connected with a sealing cover 132 for covering the central hole 131, one side of the sealing cover 132 is provided with a torsion spring 133 connected with the edge of the central hole 131, one end of the torsion spring 133 is connected with the edge of the central hole 131, and the other end of the torsion spring 133 is connected with the sealing cover 132. When the torsion spring 133 is in a normal state, the cover 132 is not overlapped with the central hole 131, thereby opening the position of the central hole 131, so that the sampling tube 9 and the sampling needle 91 can move up and down through the central hole 131 to perform a sampling operation on a sample on the disc 21.

Referring to fig. 5 and 6, the inner wall of the inner cylinder 13 is provided with a projection 134, the projection 134 is located at the bottom end of the inner cylinder 13, the section of the projection 134 is triangular, and the side of the projection 134 facing the cover 132 is provided with an inclined surface. When the central hole 131 is opened, the protrusion 134 is separated from the cap 132, and when the inner cylinder 13 is rotated relative to the outer cylinder 12 by rotating the inner cylinder 13, the position of the protrusion 134 is rotated in the circumferential direction of the inner cylinder 13, and when the protrusion 134 abuts against the outer side of the cap 132, the cap 132 is moved in the direction of the central hole 131 by the abutting force of the protrusion 134, so that the central hole 131 is blocked, the sampling needle 91 is positioned in the inner cylinder 13, and the sampling needle 91 is contaminated by bacteria in the air. When a sample needs to be sampled, the position of the bump 134 is changed by rotating the inner cylinder 13 so as to be far away from the cover 132, the cover 132 can be automatically reset due to the acting force of the torsion spring 133, so that the central hole 131 is opened, and the sampling tube 9 and the sampling needle 91 can be normally lifted for sampling.

Referring to fig. 3 and 5, the inner cylinder 13 is externally provided with a driving assembly for driving the inner cylinder 13 to rotate relative to the outer cylinder 12. The driving assembly includes an outer gear ring 135 sleeved outside the inner cylinder 13, a driving gear 136 engaged with the outer gear ring 135, and a driving motor 137 connected with the driving gear 136. The outer gear ring 135 is sleeved on one end of the inner cylinder 13 extending out of the outer cylinder 12, and one side of the outer gear ring 135 is meshed with the driving gear 136. The driving gear 136 is fixedly sleeved on an output shaft of the driving motor 137, so that the driving motor 137 is controlled to rotate, the driving gear 136 is driven to drive the outer gear ring 135 to rotate, the inner cylinder 13 rotates relative to the outer cylinder 12, and the bump 134 can move along the circumferential direction of the inner cylinder 13 to open or close the central hole 131.

The implementation principle of the embodiment of the application is as follows: when taking a sample to the test tube on the disc 21, thereby through the screw motor 83 of drive rotation seat 8 in thereby drive sampling tube 9 and sample syringe needle 91 downstream, before taking a sample, control driving motor 137 rotates, thereby drive driving gear 136 drives outer ring gear 135 and rotates, make inner tube 13 rotate relative urceolus 12, thereby lug 134 moves along the circumferential direction of inner tube 13 promptly and opens centre bore 131, make sampling tube 9 and sample syringe needle 91 can take a sample downwards through centre bore 131. Make sampling needle 91 extract the sample through controlling the pumper 10 when extracting the sample, the sample flows to and stores in the reservoir 11 for the sampling operation is simplified, can sample the multiunit sample simultaneously. Besides, the rotating motor 5 can be driven to drive the rotating disc 7 to rotate, so that the sampling needle 91 is adjusted in position to sample the sample which is not sampled on the disc 21, and the time of manual operation is reduced.

The embodiments of the present disclosure are all preferred embodiments of the present disclosure, and the protection scope of the present disclosure is not limited thereby, wherein like parts are designated by like reference numerals. Therefore, the method comprises the following steps: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a sampling device for medical examination, its characterized in that, including workstation (1) and set up in frame (2) on workstation (1), be provided with test-tube rack (212) that are used for placing the test tube on workstation (1), be connected with mount (3) on frame (2), be connected with on mount (3) and rotate seat (8), one side of mount (3) is provided with and is used for the drive rotate seat (8) pivoted runner assembly, the lateral wall that rotates seat (8) is provided with three lead screw motor (83), it is provided with sliding seat (84) to slide on the lead screw of lead screw motor (83), the lateral wall that rotates seat (8) be provided with be used for with slide rail (85) that one side of sliding seat (84) is slided and is connected, be connected with the sample subassembly that is used for taking a sample to the sample on sliding seat (84), the sample subassembly include sampling tube (9) and set up in sampling needle (91) of sampling tube (9) bottom, the top of sampling tube (9) is connected with the suction pump (10) of sample in sampling tube (9), the inlet tube (101) is connected with inlet tube (10), inlet pipe (10) is connected with inlet pipe (102), inlet pipe (10), one end of the water outlet pipe (102) is connected with a liquid storage device (11) for storing samples.

2. The sampling device for medical examination according to claim 1, wherein the rotating assembly comprises a fixed seat (4) connected to one side of the fixed frame (3) and a rotating disc (7) arranged below the fixed seat (4), the rotating seat (8) is rotatably connected to the bottom edge of the rotating disc (7), and a transmission assembly for driving the rotating disc (7) to rotate is arranged on the fixed seat (4).

3. The sampling device for medical examination according to claim 2, wherein the transmission assembly comprises a rotating motor (5) arranged on the fixed seat (4) and a speed reducing motor (6) connected with an output shaft of the rotating motor (5), the output shaft of the speed reducing motor (6) extends into the fixed seat (4), and the output shaft of the speed reducing motor (6) is connected with one side of the rotating disc (7).

4. The sampling device for medical examination according to claim 3, wherein a rotating shaft (71) is arranged on the rotating disc (7), the rotating shaft (71) is arranged in the fixed seat (4) in a penetrating manner and is rotatably connected with the fixed seat (4), and an output shaft of the speed reduction motor (6) penetrates into the rotating shaft (71) and is fixed through a bolt.

5. A sampling device for medical examination according to claim 2, characterized in that the fixing base (4) is provided with a limiting component for limiting the rotation amplitude of the rotating disc (7).

6. The sampling device for medical examination according to claim 5, wherein the limiting component comprises a limiting block (31) disposed on one side of the fixing frame (3) facing the rotating disc (7) and a plurality of abutting holes (72) disposed on the rotating disc (7), wherein two abutting holes (72) are engaged with an abutting block (73), one end of the abutting block (73) is provided with a clamping edge (731), and a clamping groove (721) for engaging with the clamping edge (731) is disposed in the abutting hole (72).

7. A sampling device for medical examinations according to claim 6 characterized in that the stopper (31) is provided with an elastic pad (32) for cushioning on the side facing the rotary disk (7).

8. The sampling device for medical examination according to claim 1, wherein the sampling tube (9) is sleeved with a sealing component for sealing the lower part of the sampling needle (91), the sealing component comprises an outer cylinder (12) and an inner cylinder (13) arranged in the outer cylinder (12), one end of the inner cylinder (13) extends out of the outer cylinder (12), the inner cylinder (13) can rotate relative to the outer cylinder (12), a central hole (131) is formed in the bottom end of the inner cylinder (13), a sealing cover (132) is connected to one side of the central hole (131), a torsion spring (133) is arranged between the central hole (131) and the sealing cover (132), when the torsion spring (133) is in a normal state, the sealing cover (132) is separated from the central hole (131), and a convex block (134) for abutting against the sealing cover (132) is arranged on one side of the inner cylinder (13) facing the sealing cover (132).

9. A sampling device for medical examination according to claim 8, characterized in that the side of the cam (134) facing the cover (132) is provided with an inclined surface, and the inner barrel (13) is externally provided with a driving component for driving the inner barrel (13) to rotate until the cam (134) abuts against the cover (132).

10. The sampling device for medical examination according to claim 9, wherein the driving assembly comprises an outer gear ring (135) sleeved on one end of the inner cylinder (13) extending out of the outer cylinder (12), a driving gear (136) engaged with the outer gear ring (135), and a driving motor (137) connected with the driving gear (136), and the driving gear (136) is fixedly sleeved on an output shaft of the driving motor (137).

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