CN114134024B - Microorganism detection sampling device and operation method - Google Patents
Microorganism detection sampling device and operation method Download PDFInfo
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- CN114134024B CN114134024B CN202111324695.5A CN202111324695A CN114134024B CN 114134024 B CN114134024 B CN 114134024B CN 202111324695 A CN202111324695 A CN 202111324695A CN 114134024 B CN114134024 B CN 114134024B
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
- C12M33/02—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus by impregnation, e.g. using swabs or loops
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/30—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration
- C12M41/36—Means for regulation, monitoring, measurement or control, e.g. flow regulation of concentration of biomass, e.g. colony counters or by turbidity measurements
Abstract
The utility model provides a microorganism detects sampling device and operation method, includes mount, base, a frame, no. two frames, no. three frames, stop frame, connecting rod, wobble plate, no. two limit, no. three limit, no. four limit, adjusting screw, mount upper portion has the solid pole setting, and solid pole setting upper portion has the horizontal pole, and the horizontal pole vertical direction has the montant, and the base left side has the chassis, has the chassis axle in the middle of the chassis, and the chassis circumferencial direction has chassis tooth, and the base right side has the chassis square hole, and the base bottom plate has the screw hole, and chassis square hole sliding connection horizontal pole or montant respectively, screw hole and bolted connection are in the same place base and mount.
Description
Technical Field
The invention relates to the field of microorganism detection sampling, in particular to a microorganism detection sampling device and an operation method.
Background
In the microorganism detection sampling process, a plurality of devices or the ground are required to be dipped with normal saline within the range of 50 square centimeters for wiping and sampling, and a sticker method is adopted for sampling a plurality of uneven devices or the ground, so that microorganisms in an adopted area cannot be completely sampled by the sticker method, the sample is inaccurate, and a device is required to solve the problems.
Disclosure of Invention
The invention aims at the defects in the prior art and provides a microorganism detection sampling device and an operation method for projecting surfaces with different directions, different shapes and different flatness so as to accurately determine the adopted area.
The invention aims at realizing the following technical scheme:
the utility model provides a microorganism detects sampling device, includes mount, base, a frame, no. two frames, no. three frames, stop frame, connecting rod, wobble plate, no. two limits, no. three limits, no. four limits, adjusting screw, mount upper portion has solid pole setting, and solid pole setting upper portion has the horizontal pole, and the horizontal pole vertical direction has the montant, and the base left side has the chassis, has the chassis axle in the middle of the chassis, and the chassis circumferencial direction has the chassis tooth, and the base right side has the chassis square hole, and the base bottom plate has the screw hole, and chassis square hole sliding connection horizontal pole or montant respectively, screw hole and bolted connection are in the same place base and mount.
The upper portion of the first frame is provided with a first frame shaft, a first frame hole is formed in the middle of the first frame and the first frame shaft, a first right-angle frame is arranged in the middle of the third frame, a first square hole is formed in the side face of the first right-angle frame, a first inclined plane is formed in the upper portion of the first right-angle frame, a first inclined plane shaft is arranged outside the first inclined plane, a second frame shaft is arranged on the upper portion of the second frame, a second square hole is formed in the middle of the second frame and the second frame shaft, a second inclined plane is formed in the side face of the second right-angle frame, a third square hole is formed in the middle of the third frame, a third right-angle frame is formed in the outer side of the third right-angle frame, a third inclined plane is formed in the side face of the third right-angle frame, a third inclined plane shaft is formed in the side face of the third right-angle frame, a first chassis shaft is rotatably connected to the first inclined plane, the first chassis shaft is rotated around the first chassis shaft, the lower portion of the first right-angle frame is positioned on the base, the second frame shaft is rotatably connected to the first inclined plane, the second right-angle frame shaft is rotatably connected to the second inclined plane shaft, the third right-angle frame is rotated around the second inclined plane shaft, and the third right-angle frame is positioned around the third frame shaft.
The inner side of the lower part of the stop frame is provided with fixed teeth, the inner side of the upper part of the stop frame is provided with square shafts, the end parts of the square shafts are provided with bolts, three square shafts respectively penetrate through a first square hole, a second square hole and a third square hole from the outer side, the three square shafts are respectively connected with the first square hole, the second square hole and the third square hole in a sliding mode, the three stop frames respectively slide in the first square hole, the second square hole and the third square hole, a first spring is sleeved on the outer side of each square shaft, each bolt is rotationally connected with a nut, one side of each first spring is respectively propped against the inner side of the first square hole, the second square hole and the third square hole, the other side of each first spring is propped against the inner side of the nut, and each fixed tooth and the chassis tooth are meshed with each other.
The connecting rod both sides have two inclined planes that the symmetry set up, inclined plane one side has a hole in inclined plane, inclined plane two holes in another side of inclined plane, the three wobble plate axle of wobble plate excircle equipartition, wobble plate terminal surface one side has a spout, a spout middle vertical direction has No. two spouts, no. two spout one side has a limit, no. two spouts are parallel with a limit, a terminal surface aligns with a spout, a limit inboard and a spout inboard have the scale, no. two spout outsides have a face, a face inboard has a face axle, no. two spout outsides have No. three faces, no. three face side has No. three face screw holes, no. one limit face has No. two face screw holes, no. one face axle, no. three face axle rotate respectively and connect a bevel two holes, three wobble plate axle rotate respectively and connect corresponding three face holes.
The end face of one side of the second side is provided with a second side shaft, the bottom face of the second side is provided with a second side sliding block, the second side sliding block is in sliding connection with a first sliding groove, the second side slides in the first sliding groove, one side of the second spring is sleeved with the second side shaft, the other side of the second spring is sleeved with a first side shaft, and the inner side of the second side abuts against the end face of one side of the first side.
The four-side sliding groove is formed in the bottom of the outer side of the four sides, the four-side sliding block is arranged in the middle of the bottom of the four sides, the fixing ring is arranged on one side of the adjusting screw, the four-side sliding block is slidably connected with the two-side sliding groove, the four sides slide in the two-side sliding groove, the adjusting screw is rotationally connected with the three-side screw hole, the fixing ring is slidably connected with the four-side sliding groove, and the end face of the four sides abuts against the inner side of the one side.
The bottom of the side face of the third side is provided with a third side sliding groove, another adjusting screw is rotationally connected with the third side sliding groove, the fixing ring is slidably connected with the third side sliding groove, the end face of one side of the third side is propped against the inner side of the fourth side, the inner side of the third side is propped against the end face of one side of the second side, and the end faces of the upper parts of the first side, the second side, the third side and the fourth side are respectively fixedly connected with a laser marking device.
The beneficial effects are that:
the invention is suitable for sampling different directions, different shapes and uneven surfaces, the laser strippers are adopted for projection during sampling, the adopted area can be accurately determined, the different connection modes of the fixing frame and the base can meet the requirement that the sampling in the vertical direction and the horizontal direction is adopted for sampling, the base is fixed on the vertical rod, the base faces the direction of sampling, the base is fixed on the cross rod during sampling on the horizontal plane, the base faces downwards, the first frame, the second frame, the third frame, the stop frame, the connecting rod and the wobble plate cooperate together to realize the adjustment of the directions so as to ensure that light vertically enters an area, the first frame, the second frame and the third frame are coaxially rotated, the fixed teeth are fixedly connected with chassis teeth during static, one stop frame can realize the adjustment of the inclination angle of the wobble plate, the stop frame has the stop function and the adjustment function, the first side, the second side, the third side and the fourth side form four sides of a rectangle, the upper side of the laser strippers are fixedly connected on each side, the light emitted by the laser strippers is parallel to the sides, the four sides are projected on the upper sides of the four sides of the square strippers, the sample area is not equal to the first side, the position of the sample area can be adjusted, the area can be adjusted in front of the area is not equal to the area, and the area can be accurately adjusted, and the area can be adjusted on the front to the surface is not be equal to the surface to the position of the sample.
Drawings
FIG. 1 is a schematic diagram of a microorganism detection sampling device according to the present invention.
FIG. 2 is a schematic diagram showing the upper structure of the microorganism detection sampling device according to the present invention.
FIG. 3 is a schematic diagram of the structure of the upper left side of the microorganism detection sampling device according to the present invention.
FIG. 4 is a schematic diagram of the structure of the upper right side of the microorganism detection sampling device according to the present invention.
FIG. 5 is a schematic view of the lower part structure of the microorganism detection sampling device of the present invention.
Fig. 6 is a schematic structural view of the fixing frame according to the present invention.
Fig. 7 is a schematic view of a base structure according to the present invention.
Fig. 8 is a schematic structural diagram of a first frame according to the present invention.
Fig. 9 is a schematic diagram of a second frame structure according to the present invention.
Fig. 10 is a schematic view of a third frame structure according to the present invention.
Fig. 11 is a schematic view of a stopper frame according to the present invention.
Fig. 12 is a schematic view of a connecting rod according to the present invention.
Fig. 13 is a schematic diagram of a wobble plate according to the present invention.
Fig. 14 is a schematic diagram of a second edge structure according to the present invention.
Fig. 15 is a schematic diagram of a third edge structure according to the present invention.
Fig. 16 is a schematic diagram of a fourth edge structure according to the present invention.
Fig. 17 is a schematic view of the structure of the adjusting screw according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples:
the utility model provides a microorganism detection sampling device, includes mount 110, base 120, frame 130, frame 140 No. two, frame 150 No. three, stop frame 160, connecting rod 190, wobble plate 210, limit 230 No. two, limit 240 No. four, limit 250 No. four, adjusting screw 260, mount 110 upper portion has solid pole 111, solid pole 111 upper portion has horizontal pole 112, horizontal pole 112 vertical direction has montant 113, base 120 left side has chassis 121, chassis axle 122 has in the middle of the chassis 121, chassis 121 circumferencial direction has chassis tooth 123, base 120 right side has chassis square hole 124, base 120 bottom plate has screw hole 125, chassis square hole 124 sliding connection horizontal pole 112 or montant 113 respectively, screw hole 125 and bolted connection are in the same place base 120 and mount 110.
The upper portion of the first frame 130 is provided with a first frame shaft 131, a first frame hole 132 is formed in the middle of the first frame 130 and the first frame shaft 131, a first right angle frame 133 is arranged on the outer side of the first frame 130, a first square hole 134 is formed in the middle of the first right angle frame 133, a first inclined plane 135 is formed in the upper portion of the first right angle frame 133, a first inclined plane shaft 136 is arranged on the outer side of the first inclined plane 135, a second frame shaft 141 is arranged on the upper portion of the second frame 140, a second right angle frame 143 is arranged on the outer side of the second frame 140, a second square hole 144 is formed in the side of the second right angle frame 143, a second inclined plane 145 is formed in the upper portion of the second right angle frame 143, a second inclined plane shaft 146 is arranged on the outer side of the second inclined plane 145, a third square hole 152 is formed in the middle of the third right angle frame 150, a third inclined plane 155 is formed in the upper portion of the third right angle frame 153, a third inclined plane 155 is formed in the side of the third right angle frame 153, a third inclined plane 156 is formed in the upper portion of the third right angle frame 155, a first rotary frame 132 is connected to the first rotary frame 132, a third rotary frame 122 is positioned on the lower portion of the first rotary frame 130 and the second rotary frame 140 is positioned on the base plate portion of the third rotary frame 150, and the first rotary frame 140 is positioned on the upper portion of the base plate portion of the second rotary frame 130 and the base plate 120 is positioned around the first rotary frame 130.
The inner side of the lower part of the stopping frame 160 is provided with a fixed tooth 161, the inner side of the upper part of the stopping frame 160 is provided with a square shaft 162, the end part of the square shaft 162 is provided with a bolt 163, three square shafts 162 respectively pass through the square holes 134, 144 and 154 from the outer side, the three square shafts 162 are respectively connected with the square holes 134, 144 and 154 in a sliding manner, the three stopping frames 160 respectively slide in the square holes 134, 144 and 154, the outer side of each square shaft 162 is sleeved with a first spring 170, each bolt 163 is rotationally connected with a nut 180, one side of each first spring 170 respectively abuts against the inner sides of the square holes 134, 144 and 154, the other side of each first spring 170 abuts against the inner side of the nut 180, and each fixed tooth 161 and the chassis tooth 123 are meshed with each other.
Two inclined planes 191 symmetrically arranged are arranged on two sides of the connecting rod 190, a first inclined plane hole 192 is formed on one side of the inclined plane 191, a second inclined plane hole 193 is formed on the other side of the inclined plane 191, three wobble plate shafts 211 are uniformly distributed on the outer circle of the wobble plate 210, a first sliding groove 212 is formed on one side of the end face of the wobble plate 210, a second sliding groove 213 is formed in the middle vertical direction of the first sliding groove 212, a first side 214 is formed on one side of the second sliding groove 213, the second sliding groove 213 is parallel to the first side 214, scales 215 are formed on the inner side of the first side 214 and the inner side of the first sliding groove 212, a first surface 216 is formed on the outer side of the second sliding groove 213, a first surface shaft 217 is formed on the inner side of the first surface 216, a third surface 220 is formed on the outer side of the second sliding groove 213, a third surface 218 is formed on the opposite side of the first side 214, a second surface 218 is formed on the side of the second surface 218, a first inclined plane shaft 136, a second inclined plane shaft 146 and a third inclined plane shaft 156 are respectively rotatably connected with the second inclined plane hole 193, and the three disc shafts 211 are respectively rotatably connected with the corresponding three inclined plane holes 192.
The end face of one side of the second side 230 is provided with a second side shaft 232, the bottom surface of the second side 230 is provided with a second side sliding block 231, the second side sliding block 231 is slidably connected with a first sliding groove 212, the second side 230 slides in the first sliding groove 212, one side of the second spring 270 is sleeved with the second side shaft 232, the other side of the second spring 270 is sleeved with a first side shaft 217, and the inner side of the second side 230 abuts against the end face of one side 214.
The bottom outside the fourth side 250 is provided with a fourth side sliding groove 251, the middle of the bottom of the fourth side 250 is provided with a fourth side sliding block 252, one side of the adjusting screw 260 is provided with a fixed ring 261, the fourth side sliding block 252 is in sliding connection with the second sliding groove 213, the fourth side 250 slides in the second sliding groove 213, the adjusting screw 260 is rotationally connected with a third surface screw hole 221, the fixed ring 261 is in sliding connection with the fourth side sliding groove 251, and the end face of the fourth side 250 props against the inner side of the first side 214.
The bottom of the side surface of the third side 240 is provided with a third side sliding groove 241, the other adjusting screw 260 is rotationally connected with a third side screw hole 221, the fixed ring 261 is slidingly connected with the third side sliding groove 241, one side end surface of the third side 240 is propped against the inner side of the fourth side 250, the inner side of the third side 240 is propped against one side end surface of the second side 230, and the upper end surfaces of the first side 214, the second side 230, the third side 240 and the fourth side 250 are respectively fixedly connected with a laser marker 280.
When the invention is used, the method is divided into three steps, firstly, the direction of the base 120 is determined according to the sampling direction and the height, the base 120 is fixed on the proper height of the vertical rod 113 during sampling in the vertical direction, the base 120 faces the sampling direction, the base 120 is fixed on the cross rod 112 during sampling on the horizontal plane, the base 120 faces downwards, secondly, the sampling area is determined, four laser graticules 280 are started, each laser graticule 280 emits a light ray, the light ray is parallel to the respective side, a rectangular area is formed by the four light rays, the light rays are aligned to the sampling area, the inclination of the wobble plate 210 is adjusted, the light rays are approximately perpendicular to the plane to be sampled, the stop brackets 160 on the first bracket 130, the second bracket 140 and the third bracket 150 can be pulled respectively when the inclination of the wobble plate 210 is adjusted, the fixed teeth 161 on the corresponding stop brackets 160 are disconnected with the chassis teeth 123, pulling the corresponding stop rack 160, the stop rack 160 rotates to drive the corresponding first rack 130, second rack 140 and third rack 150 to rotate, any one of the first rack 130, second rack 140 and third rack 150 rotates to drive the wobble plate 210 to incline through the connecting rod 190 connected with the first rack 130, second rack 140 and third rack 150, the positions of the first rack 130, second rack 140 and third rack 150 are continuously adjusted according to the sampling area until the rectangular light area vertically aligns with the sampling area, thirdly, for some inconvenient sampling areas, the sampling position and shape can be adjusted, during adjustment, the adjusting screw 260 connected with the fourth side 250 is rotated, the fourth side 250 moves back and forth along the second chute 213, the second chute 213 moves back and forth until the light emitted by the laser marker 280 at the upper part of the fourth side 250 aligns with the area to be sampled, the scale at the lower part of the first side 214 is recorded, the third side 240 is adjusted according to the scale, during adjustment, the adjusting screw 260 connected with the third side 240 is rotated, the third side 240 slides in the first sliding groove 212, the second side 230 moves along with the third side 240 under the action of the second spring 270, scales on the lower portion of the second side 230 are recorded, the product of the two scales is equal to 50 flat cm, the standard sampling area requirement is met, the third side 240 is abutted against the fourth side 250, adjustment is completed, and sampling with a cotton swab in the area of the laser marker 280 is started.
The invention is suitable for sampling a plurality of surfaces with different directions, different shapes and uneven surfaces, adopts a laser marker for projection during sampling, can accurately determine the adopted area, ensures that the sampling in the vertical direction can be satisfied by different connection modes of the fixing frame 110 and the base 120, fixes the base 120 on the vertical rod 113 when the sampling in the vertical direction is performed, the base 120 faces the sampling direction, fixes the base 120 on the cross rod 112 when the sampling is performed on the horizontal plane, the base 120 faces downwards, the base 120, the first frame 130, the second frame 140, the third frame 150, the stop frame 160, the connecting rod 190 and the wobble plate 210 jointly act to realize the adjustment of the directions so as to ensure that the light is vertically incident in the adopted area, is more accurate, the first frame 130, the second frame 140 and the third frame 150 coaxially rotate, during static state, the inclination angle of the wobble plate 210 can be adjusted by fixedly connecting the fixed teeth 161 with the chassis teeth 123 and pulling one of the stop frames 160, the stop frames 160 have a stop function and an adjusting function, the first side 214, the second side 230, the third side 240 and the fourth side 250 form four sides of a rectangle, each side is fixedly connected with a laser marker 280, light rays emitted by the laser markers 280 on the upper parts of the sides are parallel to the sides, projections of the light rays on the four sides on a sampling surface form a sampling area, the second side 230, the third side 240 and the fourth side 250 are movable sides, the front and rear positions can be adjusted at will, the projection area can be adjusted according to the sampling requirement, the upper parts of the wobble plate 210 are provided with scales 215, and the size of the sampling area can be determined according to the scales 215.
The operation method of the microorganism detection sampling device is characterized by comprising the following steps:
in the first step, the direction of the base 120 is determined according to the direction and height of the sample, the base 120 is fixed on the vertical rod 113, the base 120 faces the direction of the sample, the base 120 is fixed on the cross rod 112 when the sample is taken on the horizontal plane, the base 120 faces downwards,
secondly, determining sampling areas, starting four laser graticules 280, forming sampling areas by projection of light rays on four sides on a sampling surface, adjusting the inclination of a wobble plate 210, enabling the light rays to be approximately perpendicular to a plane to be sampled, respectively pulling a first frame 130, a second frame 140 and a third frame 150 to stop frames 160 when the inclination of the wobble plate 210 is adjusted, enabling fixed teeth 161 on the corresponding stop frames 160 to be disconnected with chassis teeth 123, pulling the corresponding stop frames 160, enabling the stop frames 160 to drive the wobble plate 210 to incline through connecting rods 190 connected with the stop frames 160, continuously adjusting the positions of the first frame 130, the second frame 140 and the third frame 150 according to the sampling areas until rectangular light ray areas are aligned with the sampling areas,
and thirdly, for some inconvenient sampling areas, the position and the shape of the sampling can be adjusted, during adjustment, an adjusting screw 260 connected with the fourth side 250 is rotated, the fourth side 250 can move back and forth along the second chute 213, the second chute 213 is driven to move back and forth until the light emitted by a laser marker 280 on the upper part of the fourth side 250 is aligned with the sampling area, the scale on the lower part of the first side 214 is recorded, the third side 240 is adjusted according to the degree, during adjustment, the adjusting screw 260 connected with the third side 240 is rotated, the third side 240 can slide in the first chute 212, the second side 230 moves along with the third side 240 under the action of the second spring 270, the scale on the lower part of the second side 230 is recorded, the product of the two scales is equal to 50 flat cm, the standard sampling area requirement is met, the third side 240 is abutted against the fourth side 250, the adjustment is completed, and sampling with a cotton swab in the area of the laser marker 280 is started.
Claims (2)
1. The microorganism detection sampling device is characterized by comprising a fixing frame, a base, a first frame, a second frame, a third frame, a stop frame, a connecting rod, a swinging disc, a second side, a third side, a fourth side and an adjusting screw, wherein the upper part of the fixing frame is provided with a fixed upright rod, the upper part of the fixed upright rod is provided with a cross rod, a vertical rod is arranged in the vertical direction of the cross rod, a chassis is arranged on the left side of the base, a chassis shaft is arranged in the middle of the chassis, chassis teeth are arranged in the circumferential direction of the chassis, a chassis square hole is arranged on the right side of the base, a screw hole is arranged on a base bottom plate, the chassis square hole is respectively connected with the cross rod or the vertical rod in a sliding manner, and the screw hole is connected with a bolt to fix the base and the fixing frame together; when sampling in the vertical direction, fixing the base on the vertical rod, wherein the base faces the sampling direction, and when sampling in the horizontal plane, fixing the base on the cross rod, and the base faces downwards; the upper part of the first frame is provided with a first frame shaft, a first frame hole is formed in the middle of the first frame and the first frame shaft, a first right-angle frame is formed in the outer side of the first frame, a first square hole is formed in the side surface of the first right-angle frame, a first inclined plane is formed in the upper part of the first right-angle frame, a first inclined plane shaft is arranged outside the first inclined plane, a second frame shaft is formed in the upper part of the second frame, a second square hole is formed in the middle of the second frame and the second frame shaft, a second inclined plane is formed in the outer side of the second right-angle frame, a second inclined plane shaft is formed in the side surface of the second right-angle frame, a third right-angle frame hole is formed in the middle of the third right-angle frame, a third inclined plane is formed in the outer side surface of the third right-angle frame, a third inclined plane shaft is formed in the side surface of the third right-angle frame, the first inclined plane shaft is rotatably connected with the chassis shaft, the first frame is rotated around the chassis shaft, the lower part of the first frame is positioned on the upper part of the base, the second frame hole is rotatably connected with the first inclined plane shaft, the second frame is rotated around the second inclined plane shaft, the third frame is rotated around the second inclined plane shaft, and the third frame is positioned on the upper part of the third frame is rotated around the upper part of the third frame shaft; the inner side of the lower part of the stop frame is provided with fixed teeth, the inner side of the upper part of the stop frame is provided with square shafts, the end parts of the square shafts are provided with bolts, the three square shafts respectively penetrate through a first square hole, a second square hole and a third square hole from the outer side, the three square shafts are respectively connected with the first square hole, the second square hole and the third square hole in a sliding mode, the three stop frames respectively slide in the first square hole, the second square hole and the third square hole, a first spring is sleeved on the outer side of each square shaft, each bolt is rotationally connected with a nut, one side of each first spring is respectively propped against the inner side of the first square hole, the second square hole and the third square hole, the other side of each first spring is propped against the inner side of the nut, and each fixed tooth is meshed with the chassis tooth; the connecting rod is characterized in that two inclined planes are symmetrically arranged on two sides of the connecting rod, one side of each inclined plane is provided with an inclined plane first hole, the other side of each inclined plane is provided with an inclined plane second hole, three wobble plate shafts are uniformly distributed on the outer circle of each wobble plate, one side of each wobble plate end face is provided with a first sliding groove, a second sliding groove is arranged in the middle of each first sliding groove in the vertical direction, one side of each second sliding groove is provided with a first edge, the second sliding grooves are parallel to the first edge, one end face of each first edge is aligned with the first sliding groove, the inner side of each first sliding groove is provided with a scale, the outer side of each second sliding groove is provided with a first surface, the inner side of each first surface is provided with a first surface shaft, the outer side of each second sliding groove is provided with a third surface, the side of each first edge is provided with a second surface, each second surface of each second surface side of each second surface is provided with a second surface screw hole, each first surface shaft, each second surface shaft is respectively rotatably connected with a second surface second hole, and each third wobble plate shaft is respectively rotatably connected with a corresponding third surface first hole; the end face of one side of the second side is provided with a second side shaft, the bottom surface of the second side is provided with a second side sliding block, the second side sliding block is in sliding connection with a first sliding groove, the second side slides in the first sliding groove, one side of the second spring is sleeved with the second side shaft, the other side of the second spring is sleeved with a first surface shaft, and the inner side of the second side abuts against the end face of one side of the first side; the bottom of the outer side of the fourth side is provided with a fourth side sliding groove, the middle of the bottom of the fourth side is provided with a fourth side sliding block, one side of the adjusting screw is provided with a fixed ring, the fourth side sliding block is in sliding connection with a second sliding groove, the fourth side slides in the second sliding groove, the adjusting screw is rotationally connected with a third surface screw hole, the fixed ring is in sliding connection with the fourth side sliding groove, and the end surface of the fourth side abuts against the inner side of the first side; the bottom of the side face of the third side is provided with a third side sliding groove, another adjusting screw is rotationally connected with the third side sliding groove, the fixing ring is slidably connected with the third side sliding groove, the end face of one side of the third side is propped against the inner side of the fourth side, the inner side of the third side is propped against the end face of one side of the second side, and the end faces of the upper parts of the first side, the second side, the third side and the fourth side are respectively fixedly connected with a laser marking device.
2. The method of claim 1, comprising the steps of:
the first step, the direction of the base is determined according to the sampling direction and the height, the base is fixed on the vertical rod, the base faces the sampling direction, when the sample is taken on the horizontal plane, the base is fixed on the cross rod, the base faces downwards,
step two, determining sampling areas, starting four laser marking devices, forming the sampling areas by projection of light rays on four sides on a sampling surface, adjusting the inclination of a wobble plate, enabling the light rays to be approximately perpendicular to a plane to be sampled, respectively pulling a stop rack on a first rack, a second rack and a third rack when the inclination of the wobble plate is adjusted, enabling fixed teeth on the corresponding stop rack to be disconnected with chassis teeth, pulling the corresponding stop rack, enabling the stop rack to drive the wobble plate to incline through connecting rods connected with the stop rack, continuously adjusting the positions of the first rack, the second rack and the third rack according to the sampling areas until rectangular light ray areas are aligned with the sampling areas,
and thirdly, for some inconvenient sampling areas, the position and the shape of the sampling can be adjusted, during adjustment, the adjusting screw connected with the fourth edge is rotated, the fourth edge can move back and forth along the second chute, the second chute is moved back and forth to drive until the light emitted by the laser marker on the upper part of the fourth edge is aligned with the sampling area, the scale on the lower part of the first edge is recorded, the third edge is adjusted according to the scale, during adjustment, the adjusting screw connected with the third edge is rotated, the third edge can slide in the first chute, the second edge moves along with the third edge under the action of the second spring, the scale on the lower part of the second edge is recorded, the product of the two scales is equal to 50 flat cm, the standard sampling area requirement is met, the third edge is abutted to the fourth edge, the adjustment is completed, and sampling by a cotton swab in the area of the laser marker is started.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111324695.5A CN114134024B (en) | 2021-11-10 | 2021-11-10 | Microorganism detection sampling device and operation method |
Applications Claiming Priority (1)
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