CN217878373U

CN217878373U - Automatic sampling device for clinical test stool

Info

Publication number: CN217878373U
Application number: CN202222240451.5U
Authority: CN
Inventors: 沈小群; 王飞; 叶丽君; 陶学霞
Original assignee: Hangzhou First Peoples Hospital
Current assignee: Hangzhou First Peoples Hospital
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2022-11-22
Anticipated expiration: 2032-08-25

Abstract

The utility model discloses an automatic utensil of taking a sample of clinical trial shit relates to clinical trial sampling equipment technical field, including backup pad, sampling stick, supporting seat, elevating system, fixed establishment. The utility model discloses a set up elevating system, this mechanism can realize the purpose to faecal automatic sampling, extrude the location inserted block through the inside of inserting the sampling stick to spacing carousel, pass through the spring this moment, the cooperation of location inserted block and spacing carousel can be to the sampling stick convenient fixed, when sampling excrement and urine, the starter motor drives the lead screw and rotates this moment, this moment through the lift seat, remove the bull stick, the straight-teeth gear, lifting slide, mutually supporting of first bevel gear and second bevel gear, can drive the sampling stick and rotate, when the sampling stick contacts with excrement and urine, can make excrement and urine adhere at the outer wall of sampling stick this moment through rotating, then carry out the reverse operation to above-mentioned operation, thereby realize the purpose to faecal automatic sampling.

Description

Automatic stool sampling device for clinical test

Technical Field

The utility model relates to a clinical trial sampling equipment technical field specifically is an automatic sampling utensil of clinical trial shit.

Background

Clinical trials refer to any systematic study of drugs in humans to confirm or reveal the effects, adverse effects and/or absorption, distribution, metabolism and excretion of the test drugs in order to determine the efficacy and safety of the test drugs, and fecal testing is one of the clinical routine tests.

At present the clinical laboratory of hospital when the sample of carrying out shit, the doctor generally gives a sample cup of patient, let the patient hold the sample cup by oneself and take a sample to the lavatory and take a sample, a sampling stick is equipped with to the bowl cover inboard of sample cup, the patient uses the sampling stick to take a sample and places in the sample cup excrement and urine, will take a sample cup after the sample and hand the testing personnel and detect, this kind of sampler is when using, need the patient at the in-process of sampling, need squat down to stretch into the stool pot with the hand and sample, this mode makes the patient have very big rejection in psychology, and to the inconvenient patient of action, can't carry out convenient sample from the inside of stool pot, for this reason we have proposed a clinical trial automatic sampling utensil of shit.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an: in order to solve the problem that excrement in a toilet cannot be automatically sampled, an automatic excrement sampling device for clinical tests is provided.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic excrement sampling device for clinical tests comprises a supporting plate and a sampling rod, wherein the bottom end of the supporting plate is fixedly connected with a supporting seat through welding, and the top end of the supporting plate is provided with a lifting mechanism which penetrates into the supporting plate and is used for lifting the sampling rod;

the lifting mechanism comprises a motor, a lifting seat, a screw rod, a movable rotating rod, a straight gear and a lifting sliding plate, the motor is fixedly connected to the top end of the supporting plate through a bolt, the screw rod is fixedly connected to the output end of the motor through a coupler and is rotatably connected to the inside of the supporting plate, the lifting sliding plate is in threaded connection with the outer wall of the screw rod and is slidably connected to the inside of the supporting plate, the lifting seat is fixedly connected to one end of the lifting sliding plate through a bolt assembly and is located on the outer wall of one end of the supporting plate, the movable rotating rod is rotatably connected to the inside of the lifting seat and the lifting sliding plate, and the straight gear is fixedly connected to one end of the movable rotating rod through welding and is located inside the supporting plate;

the one end of removal bull stick just is located the bottom inside of lift seat and is provided with the fixed establishment that carries out spacing fixed to the sampling stick.

As a further aspect of the present invention: fixed establishment includes first bevel gear, second bevel gear, spring, location inserted block and spacing carousel, second bevel gear passes through welded fastening and connects the one end of keeping away from the straight-teeth gear at the straight-teeth gear, and is located the inside of lift seat, the outer wall at second bevel gear is connected in first bevel gear in the meshing of first bevel gear, spacing carousel passes through welded fastening and connects in first bevel gear's bottom, and is located inside the bottom of lift seat, spacing carousel cup joints the outer wall at the sampling stick, location inserted block sliding connection just blocks each other with the sampling stick in the inside of spacing carousel, spring coupling is in the one end that the sampling stick was kept away from to the location inserted block, and contacts with the one end inner wall of spacing carousel.

As a further aspect of the present invention: the supporting seat is fixedly connected with the ground through a bolt, the output end of the motor is rotatably connected with the supporting plate through a bearing, and a lifting sliding groove for sliding the lifting sliding plate is formed in the position where the supporting plate is connected with the lifting sliding plate.

As the utility model discloses further scheme again: the lifting pull groove for the sliding of the movable rotating rod and the straight gear is formed in the position where the supporting plate is connected with the movable rotating rod and the straight gear, the rack meshed with the straight gear and connected with the supporting plate is fixedly connected to the position, located in the lifting pull groove, of the supporting plate, and the connecting position, located at the position where the lifting seat and the lifting sliding plate are connected with the movable rotating rod, of the lifting sliding plate is provided with the connecting rotating groove for the rotation of the movable rotating rod.

As a further aspect of the present invention: the top of sampling stick is the taper, spacing carousel and sampling stick meet the position department and offer the gliding spacing slot of confession sampling stick.

As the utility model discloses further scheme again: the connection position of the lifting seat, the first bevel gear, the second bevel gear and the limiting rotary table is provided with a limiting rotary groove for the first bevel gear, the second bevel gear and the limiting rotary table to rotate, and the connection position of the limiting rotary table and the positioning plug block is provided with a movable push groove for the positioning plug block to slide.

As the utility model discloses further scheme again: the outer surface of one end of the positioning insertion block, which is far away from the spring, is hemispherical, and a positioning slot matched with the outer wall of the positioning insertion block is formed in the position where the sampling rod is connected with the positioning insertion block.

Compared with the prior art, the beneficial effects of the utility model are that:

through setting up elevating system, this mechanism can realize the purpose to faecal automatic sampling, extrude the location inserted block through the inside of inserting the sampling stick to spacing carousel, pass through the spring this moment, the cooperation of location inserted block and spacing carousel can be convenient fixed to the sampling stick, when sampling excrement and urine, starter motor drives the lead screw and rotates this moment, this moment through the seat that goes up and down, remove the bull stick, the straight-teeth gear, lifting slide, mutually supporting of first bevel gear and second bevel gear, can drive the sampling stick and rotate, when the sampling stick contacts with excrement and urine, can make excrement and urine adhesion at the outer wall of sampling stick through rotating this moment, then carry out the reverse operation to above-mentioned operation, thereby realize the purpose to faecal automatic sampling.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the support plate of the present invention;

fig. 3 is a partially enlarged view of a portion a of fig. 2 according to the present invention.

In the figure: 1. a support plate; 2. a lifting mechanism; 201. a motor; 202. a lifting seat; 203. a screw rod; 204. moving the rotating rod; 205. a spur gear; 206. a lifting slide plate; 3. a fixing mechanism; 301. a first bevel gear; 302. a second bevel gear; 303. a spring; 304. positioning the insert block; 305. a limiting turntable; 4. a supporting seat; 5. and (4) sampling a rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, an automatic stool sampling device for clinical trials includes a supporting plate 1 and a sampling rod 5, the sampling rod 5 is located at one end of the supporting plate 1, the top end of the sampling rod 5 is tapered, the bottom end of the supporting plate 1 is fixedly connected to a supporting seat 4 by welding, the supporting seat 4 is fixedly connected to the ground by a bolt, the top end of the supporting plate 1 is provided with a lifting mechanism 2 penetrating into the supporting plate 1 for lifting the sampling rod 5;

the lifting mechanism 2 comprises a motor 201, a lifting seat 202, a screw rod 203, a movable rotating rod 204, a straight gear 205 and a lifting sliding plate 206, the motor 201 is fixedly connected to the top end of the supporting plate 1 through a bolt, the output end of the motor 201 is rotatably connected with the supporting plate 1 through a bearing, the screw rod 203 is fixedly connected to the output end of the motor 201 through a coupler and rotatably connected to the inside of the supporting plate 1, the lifting sliding plate 206 is in threaded connection with the outer wall of the screw rod 203 and is slidably connected to the inside of the supporting plate 1, a lifting chute for the lifting sliding plate 206 to slide is formed in the connecting position of the supporting plate 1 and the lifting sliding plate 206, the lifting seat 202 is fixedly connected to one end of the lifting sliding plate 206 through a bolt assembly and is located on the outer wall of one end of the supporting plate 1, the movable rotating rod 204 is rotatably connected to the inside of the lifting seat 202 and the lifting sliding plate 206, and the straight gear 205 is fixedly connected to one end of the movable rotating rod 204 through welding and is located inside the supporting plate 1;

the fixing mechanism 3 for limiting and fixing the sampling rod 5 is arranged at one end of the movable rotating rod 204 and at the bottom of the lifting seat 202.

In this embodiment: fixing sampling stick 5 in the bottom of lift seat 202 through fixed establishment 3 during the use, starter motor 201 drives lead screw 203 and rotates simultaneously, lift slide 206 is under the rotatory drive of lead screw 203 this moment, it slides to drive lift seat 202 along the inner wall of backup pad 1, remove bull stick 204 simultaneously at lift seat 202, the drive of lift slide 206 is down, it descends along the inner wall slip of backup pad 1 to drive spur gear 205, spur gear 205 is through decline and rack intermeshing this moment, spur gear 205 drives through the meshing simultaneously and removes bull stick 204 and rotate, it drives sampling stick 5 through fixed establishment 3 and rotates this moment to remove bull stick 204, when sampling stick 5 contacts with excrement and urine, can make excrement and urine adhere in the outer wall of sampling stick 5 through the rotation of sampling stick 5 this moment, then carry out reverse operation to above-mentioned operation, so that carry out automatic sampling operation to excrement and urine.

Referring to fig. 1 to 3 again, the fixing mechanism 3 includes a first bevel gear 301, a second bevel gear 302, a spring 303, a positioning insert block 304 and a limiting rotary table 305, the second bevel gear 302 is fixedly connected to one end of the spur gear 205 far away from the spur gear 205 by welding and is located inside the lifting base 202, the first bevel gear 301 is connected to an outer wall of the second bevel gear 302 in a meshing manner, the limiting rotary table 305 is fixedly connected to a bottom end of the first bevel gear 301 by welding and is located inside a bottom end of the lifting base 202, the limiting rotary table 305 is sleeved on an outer wall of the sampling rod 5, a limiting slot for the sliding of the sampling rod 5 is formed at a connecting position of the limiting rotary table 305 and the sampling rod 5, the positioning insert block 304 is connected inside the limiting rotary table 305 in a sliding manner and is engaged with the sampling rod 5, the spring 303 is connected to one end of the positioning insert block 304 far away from the sampling rod 5 and is in contact with an inner wall of one end of the limiting rotary table 305, an outer surface of one end of the positioning insert block 304 far away from the spring 303 is hemispherical, and an outer surface of the sampling rod 5 is formed at a connecting position of the positioning insert block 304 and a positioning slot matched with an outer wall of the positioning insert block 304.

In this embodiment: through inserting sampling stick 5 to the inside of spacing carousel 305, location inserted block 304 extrudees spring 303 along the inner wall of spacing carousel 305 under the extrusion that sampling stick 5 is the taper outer wall in this in-process through hemispherical outer wall, slide along the inner wall of spacing carousel 305, this moment location inserted block 304 extrudees spring 303 along the inner wall of spacing carousel 305, when sampling stick 5 contacts with the inner wall top of spacing carousel 305, rotate sampling stick 5 simultaneously, when sampling stick 5 drives the location slot and removes to the one end of location inserted block 304, spring 303 promotes the inside that location inserted block 304 inserted to sampling stick 5 through the bounce-back this moment, thereby can carry out convenient fixing to sampling stick 5, when sampling excrement and urine, this moment, drive second bevel gear 302 through the rotation of removing bull stick 204 and rotate, second bevel gear 302 drives first bevel gear 301 through the meshing and rotates this moment, simultaneously first bevel gear drives spacing carousel 305 and rotates along the inner wall of lift seat 202, spacing carousel 305 drives sampling stick 5 and rotates with first bevel gear 301 as axle center this moment, when sampling stick 5 and excrement and urine, can make the sampling stick to sample stick to the outer wall and operate in order to carry out automatic sampling.

Please refer to fig. 2-3, the connection position of the support plate 1, the moving rotary rod 204 and the spur gear 205 is provided with a lifting pull groove for the sliding of the moving rotary rod 204 and the spur gear 205, the support plate 1 is fixedly connected with a rack engaged with the spur gear 205 inside the lifting pull groove, and the connection position of the lifting base 202 and the lifting slide plate 206 and the moving rotary rod 204 is provided with a connection rotary groove for the rotation of the moving rotary rod 204.

In this embodiment: the lifting pull groove can drive the moving rotating rod 204 to move up and down along the inner wall of the supporting plate 1 under the driving of the lifting seat 202 and the lifting sliding plate 206, and meanwhile, the straight gear 205 can drive the moving rotating rod 204 to rotate along the inner wall of the lifting seat 202 and the inner wall of the lifting sliding plate 206 under the driving of the meshing of the racks through the mutual matching of the racks and the connecting pull groove.

Referring to fig. 2 to 3, the connection position of the lifting base 202, the first bevel gear 301, the second bevel gear 302 and the limiting turntable 305 is provided with a limiting rotary slot for the first bevel gear 301, the second bevel gear 302 and the limiting turntable 305 to rotate, and the connection position of the limiting turntable 305 and the positioning insertion block 304 is provided with a moving push slot for the positioning insertion block 304 to slide.

In this embodiment: the second bevel gear 302 is driven by the movable rotating rod 204 through the limit rotating slot to mesh with and drive the first bevel gear 301 to rotate, and meanwhile, the first bevel gear 301 drives the limit rotating disc 305 to rotate along the inner wall of the lifting seat 202.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An automatic excrement sampling device for clinical trials comprises a supporting plate (1), a sampling rod (5) and a supporting seat (4), and is characterized in that the top end of the supporting plate (1) is provided with a lifting mechanism (2) which penetrates into the supporting plate (1) and is used for lifting the sampling rod (5);

the lifting mechanism (2) comprises:

the lifting device comprises a motor (201) fixedly connected to the top end of a supporting plate (1), the output end of the motor (201) is fixedly connected with a screw rod (203) rotatably connected to the inside of the supporting plate (1), the outer wall of the screw rod (203) is in threaded connection with a lifting sliding plate (206), one end of the lifting sliding plate (206) is fixedly connected with a lifting seat (202), the insides of the lifting seat (202) and the lifting sliding plate (206) are rotatably connected with a movable rotating rod (204), and one end of the movable rotating rod (204) is fixedly connected with a straight gear (205);

the sampling rod limiting and fixing device is characterized in that a fixing mechanism (3) for limiting and fixing the sampling rod (5) is arranged at one end of the movable rotating rod (204) and inside the bottom end of the lifting seat (202).

2. An automatic stool sampling device according to claim 1, characterized in that said fixing mechanism (3) comprises:

fixed connection keeps away from the one end of straight-teeth gear (205) in straight-teeth gear (205), and is located second bevel gear (302) of lift seat (202) inside, the outer wall meshing of second bevel gear (302) is connected with first bevel gear (301), the bottom fixedly connected with limit turntable (305) of first bevel gear (301), limit turntable (305) has been cup jointed to the outer wall of sampling stick (5), the inside sliding connection of limit turntable (305) has location inserted block (304) with sampling stick (5) mutual block, the one end that sampling stick (5) were kept away from in location inserted block (304) is connected with spring (303).

3. The automatic shit sampling device for clinical trials according to claim 1, wherein the supporting seat (4) is fixedly connected with the ground through a bolt, the output end of the motor (201) is rotatably connected with the supporting plate (1) through a bearing, and the lifting slide plate (206) is slidably connected inside the supporting plate (1).

4. The automatic stool sampling device for clinical trials according to claim 1, wherein the movable rotating rod (204) and the spur gear (205) are slidably connected inside the supporting plate (1), the rack meshed with the spur gear (205) is fixedly connected inside the lifting pull groove of the supporting plate (1), and the movable rotating rod (204) is rotatably connected inside the lifting base (202) and the lifting slide plate (206).

5. An automatic stool sampling device according to claim 2, characterized in that the top end of the sampling rod (5) is conical, and the sampling rod (5) is slidably connected inside the limit turntable (305).

6. The automatic stool sampling device for clinical trials of claim 2, wherein the end of the positioning plug (304) far away from the spring (303) is hemispherical in appearance, and a positioning slot matched with the outer wall of the positioning plug (304) is formed at the joint of the sampling rod (5) and the positioning plug (304).