CN112754533A

CN112754533A - Clinical laboratory is with nasopharynx swab sample assistor

Info

Publication number: CN112754533A
Application number: CN202110046950.8A
Authority: CN
Inventors: 朱建琴; 章群
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-05-07

Abstract

The invention provides a nasopharynx swab sampling assistor for a clinical laboratory, and belongs to the technical field of medical appliances. It has solved current nasopharynx swab sampling and has mainly relied on medical personnel manual completion, and because the volume of gathering is great, long-time work can accelerate medical personnel's fatigue, and to new hand medical personnel, because nervous the degree of depth that leads to the cotton swab to deepen the sampler nasal cavity at every turn can't carry out fine the accuse, when the sample, has the cotton swab to stretch into the deep, makes the painful sense of pain of production of sampler or the problem that the wearing and tearing take place for the nasal cavity. This nasopharynx swab sampling assistor for clinical laboratory, including right-hand member open-ended casing, it has workspace to inject in the casing, be equipped with the power unit of this assistor operation of drive in the workspace, be equipped with respectively in the upper and lower both sides end wall of casing by power unit driven glide machanism. This clinical laboratory uses nasopharynx swab sample assistor convenient more, laborsaving, stability is higher.

Description

Clinical laboratory is with nasopharynx swab sample assistor

Technical Field

The invention belongs to the technical field of medical appliances, and relates to a nasopharynx swab sampling assistor for a clinical laboratory.

Background

Pharynx swab collection is the detection method that at present china mainly aims at viral nucleic acid, if pharynx swab positive is positive promptly to represent nucleic acid detection positive, show that internal new coronavirus that carries, current pharynx swab sampling divide into nasopharynx swab and oral cavity pharynx swab sampling two kinds, nasopharynx swab sampling step is roughly with the cotton swab that takes a sample stretch into the person's of taking a sample nasal cavity, when touching the nasopharynx back wall, rotate the cotton swab gently, the sampling work of nasopharynx swab has been accomplished, but current nasopharynx swab sampling mainly relies on medical personnel manual completion, because the sample volume is great, medical personnel's fatigue can be accelerated in long-time sampling work, and to new hand medical personnel, because nervous result in the cotton swab to go deep into the degree of depth of person's of taking a sample nasal cavity at every turn and can't carry out fine control, when taking a sample, there is the cotton swab to stretch into too deeply, make the person who takes a sample produce painful sense or.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a nasopharynx swab sampling assistor for a clinical laboratory, which is more convenient and labor-saving to use and has higher stability.

The purpose of the invention can be realized by the following technical scheme: the utility model provides a clinical laboratory is with nasopharynx swab sample assistor, includes right-hand member open-ended casing, it has the workspace to inject in the casing, be equipped with the power unit of this assistor operation of drive in the workspace, be equipped with respectively in the upper and lower both sides end wall of casing by power unit driven glide machanism, two the subassembly that slides is upper and lower symmetric distribution, two about the central line of casing be equipped with between the glide machanism and carry out the fixture of centre gripping to gathering the cotton stick, the right-hand member opening car of casing is equipped with two and carries out the supporting mechanism that supports, two to gathering the cotton stick the supporting mechanism is upper and lower symmetric distribution about the central line of casing.

Before the auxiliary device is used, a sampling cotton swab is placed at a clamping mechanism through two supporting mechanisms for position limitation, after the sampling cotton swab is placed, the right end opening of a shell is aligned with the nostril of a sampler, a power mechanism is started, the power mechanism drives a sliding mechanism to operate, the clamping mechanism is driven by the sliding mechanism to slide towards the direction close to the right end opening of the shell, namely the clamping mechanism drives the sampling cotton swab to enter the nostril of the sampler at a constant speed, when the cotton swab touches the rear wall of the nasopharynx of the sampler, the clamping mechanism can work to stop the operation of the power mechanism on one hand, and on the other hand, the cotton swab is driven to rotate, the sampling work of the pharyngeal swab is finished, when a medical worker presses down the cotton swab to extend towards the rear wall of the nasopharynx of the sampler, the supporting mechanisms can also support the cotton swab again, namely, the pressing-down distance of the cotton swab is limited, and the pressed-, causing abrasion to the inner wall of the nostril of the patient.

Preferably, the power mechanism comprises a motor box fixedly arranged on the inner wall of the left side of the shell, the left end wall of the motor box is provided with two vent holes penetrating through the left end wall of the shell, the inner wall of the upper side of the motor box is provided with a temperature adjusting block, bases are fixedly connected between the inner walls of the upper side and the lower side of the motor box respectively, a double-shaft motor is fixedly connected between the two bases, the left output end of the double-shaft motor is fixedly connected with a first motor shaft, a fan is sleeved on the first motor shaft, exhaust valves are respectively arranged in the end walls of the upper side and the lower side of the motor box, each exhaust valve is connected with an exhaust pipe extending into the shell and communicated with the external space, the right output end of the double-shaft motor is fixedly connected with a second motor shaft penetrating through the right end wall of the motor box and extending into the working space, first mounting cavities are defined on the inner walls of the upper side and the lower side of the shell respectively, a gear shaft is rotatably connected between the two first mounting cavities, a second bevel gear meshed with the first bevel gear is sleeved on the gear shaft located in the working space, and a first reel is sleeved on the portion, located in each first mounting cavity, of the gear shaft respectively.

When the auxiliary device is used, a double-shaft motor in a motor box is started, on one hand, the double-shaft motor drives a fan to rotate in the motor box through a first motor shaft when in operation, the fan sucks air in an external space into the motor box through two vent holes in the rotation process of the fan, the air entering the motor box is regulated in temperature (cold air or hot air) through a temperature regulating block, and the regulated air is controlled by two exhaust valves to be discharged to the external space along an exhaust pipe respectively, so that medical personnel can change the surface temperature of a shell by regulating the air flowing in the exhaust pipe according to the cold and hot changes of weather, and the comfort level in the use process is improved;

on the other hand drives first bevel gear through the second motor shaft and rotates when biax motor moves, and first bevel gear rotates the in-process and drives the gear shaft through the meshing with second bevel gear and rotate in working space, and the gear shaft rotates the in-process and drives two first reels and rotate at two first arrangement intracavity respectively, provides power for the operation of the subassembly that slides through two first reels, has solved current manual sampling messenger whole sampling process more laborsaving.

Preferably, the sliding mechanism comprises a slide way arranged in the end wall of the shell, at least two arc-shaped grooves are formed in the inner wall of one side, away from the central line of the shell, of the slide way, the arc-shaped grooves are uniformly distributed on the inner wall of the slide way along the length direction of the slide way, a slide block is connected in the slide way, a first rope is connected between the slide block and a first reel of the power mechanism in a transmission mode, a tension spring is fixedly connected between the slide block and the inner wall of the right side of the slide way, a limit groove is formed in the end face, away from the central line of the shell, of the slide block, a limit ball matched with the arc-shaped grooves is connected in the limit groove in a sliding mode, a first compression spring is fixedly connected between the limit ball and the bottom end of the limit groove.

Initially, under the pulling of the first rope, the limiting rolling ball slides to the outside of the limiting groove under the pushing of the first compression spring, the limiting rolling ball is contacted with the arc-shaped groove to limit the position of the sliding block in the slide way, so that the extension spring is in an extension state in the slide way, when a first reel of the power mechanism rotates, the first reel releases the wound first rope at a constant speed, so that the external force applied by the first rope on the sliding block is gradually reduced, the stretched extension spring is restored to apply a pulling force to the sliding block in the direction close to the opening at the right end of the shell, under the action of external force, the limiting rolling ball slides out of the arc-shaped groove, so that the limiting of the sliding block in the sliding way is cancelled, namely, the slide block slides towards the direction close to the right opening of the shell under the pulling of the extension spring, and the slide block drives the clamping mechanism to slide towards the direction close to the right opening of the shell through the connecting rod in the sliding process.

Preferably, the clamping mechanism comprises two clamping blocks fixedly arranged between the sliding mechanism connecting rods, second accommodating cavities are respectively limited in the end walls of the upper side and the lower side of each clamping block, sliding plates are connected in the clamping blocks in a sliding mode, second compression springs are fixedly connected between the sliding plates and the bottoms of the clamping blocks, clamping assemblies for clamping sampling swabs are arranged in the second accommodating cavities, and the clamping assemblies are symmetrically distributed up and down about the central line of the clamping blocks.

Before the nasopharyngeal swab sample of entering, place the sample cotton swab in the grip block, the sample cotton swab is preferred to be contacted with two centre gripping subassemblies, contact with the slide again, inject the position of cotton swab in the grip block through two centre gripping subassemblies, treat the good back of sample cotton swab centre gripping, aim at the sample person's nostril with the right-hand member opening of casing, because the grip block slides to the direction that is close to casing right-hand member open-ended under the drive of two subassembly that slide, the grip block drives the sample cotton swab at the uniform velocity promptly and gets into sample person's nostril.

Preferably, the clamping assembly comprises a first electric control block arranged on the inner wall of the upper side of the second settling cavity, the sliding plate is provided with a second electric control block matched with the first electric control block on the side end surface close to the bottom end of the second settling cavity, the sliding plate is provided with a guide plate extending into the second settling cavity, the guide plate is fixedly connected with a transverse plate, the transverse plate is rotatably connected with at least two shifting pieces, the shifting pieces are uniformly distributed on the side end surface of the transverse plate away from the clamping block along the length direction of the transverse plate, a first torsion spring is fixedly connected between each shifting piece and the transverse plate, the second settling cavity is positioned above the shifting pieces and is rotatably connected with a rotating shaft, the rotating shaft is sleeved with a gear matched with the shifting pieces, the rotating shaft is positioned behind the gear and is sleeved with a second reel, and the second settling cavity is positioned above the rotating shaft and is provided with a limiting piece matched with the gear, a U-shaped groove with an opening facing the center line of the clamping block is arranged in the second arranging cavity, a convex block with a groove at the lower end is connected in the U-shaped groove in a sliding manner, two third compression springs are fixedly connected between the convex block and the bottom end of the U-shaped groove, a third arranging cavity is limited in the convex block, shaft seats are fixedly connected on the inner walls of the left side and the right side of the third arranging cavity respectively, a first optical axis is rotatably connected between the two shaft seats, a second torsion spring is fixedly connected between the left end and the right end of the first optical axis and each shaft seat respectively, a third reel is sleeved on the first optical axis, a second cord is rotatably connected between the third reel and the second reel, a guide wheel for guiding the second cord is rotatably connected in the second arranging cavity, and first chain wheels are sleeved on the left side and the right side of the first optical axis and on the third reel respectively, lug lower extreme groove is rotated and is connected with the second optical axis, the second optical axis is located lug lower extreme groove is equipped with the centre gripping spin, the second optical axis is located the cover is equipped with two second sprockets, every on the part of third arrangement intracavity the second sprocket with correspond the transmission is connected with the chain between the first sprocket.

When the sampling cotton swab is close to the clamping block, the sampling cotton swab is preferentially contacted with the two clamping rolling balls and then contacted with the sliding plate, the sampling cotton swab extrudes the clamping rolling balls to drive the convex block to slide towards the inside of the U-shaped groove through the clamping rolling balls, the two third compression springs are compressed to store force, the sampling cotton swab is clamped and limited through the two clamping rolling balls, when the clamping block drives the sampling cotton swab to move to the rear wall of the nasopharynx of a sampler, the sampling cotton swab is subjected to resistance of the rear wall of the nasopharynx, the sampling cotton swab pushes the sliding plate to slide towards the inside of the second placement cavity under the action of external force, in the sliding process of the sliding plate, on one hand, the second compression springs are compressed to store force, and on the other hand, the second electric control block is contacted with the first electric control block, the power mechanism is controlled to stop running, and on;

the transverse plate is used for shifting the gear to rotate in the second arrangement cavity through the plurality of shifting pieces in the sliding process, the gear drives the second reel to rotate through the rotating shaft in the rotating process, the second reel is wound with a second cotton rope guided by the guide wheel in the rotating process, so that the third reel rotates in the third arrangement cavity, the third reel drives the two first chain wheels to rotate through the first optical axis in the rotating process, the second optical axis is driven to rotate through the transmission between the chain and the second chain wheel in the rotating process of the first chain wheels, the clamping rolling ball at the groove at the lower end of the lug is driven to rotate in the rotating process of the second optical axis, and friction is generated between the clamping rolling ball and the sampling cotton swab in the rotating process of the clamping rolling ball, under the action of friction force, the clamping rolling ball drives the sampling cotton swab to rotate in the clamping block, and the sampling work of the nasopharyngeal swab of a sampler is realized through the rotation of the sampling cotton swab.

Preferably, the supporting mechanism comprises an arc-shaped plate arranged at the opening at the right end of the shell, a rolling ball is rotationally connected in the arc-shaped plate, two first abutting blocks matched with the rolling ball are fixedly connected to the inner end face of the arc-shaped plate, a supporting rod is fixedly connected to the outer peripheral side of the rolling ball close to the central line of the shell, an arc-shaped support is fixedly connected to one end of the supporting rod close to the central line of the shell, a hydraulic cylinder is arranged in the lower end wall of the arc-shaped plate, a hydraulic plate is slidably connected in the hydraulic cylinder, a fourth compression spring is fixedly connected between the hydraulic plate and the bottom end of the hydraulic cylinder, a positioning rod is fixedly connected to the upper end of the hydraulic plate, a second abutting block matched with the rolling ball is fixedly connected to the upper end of the positioning rod, a flow regulating valve is arranged in the left end wall of the hydraulic cylinder, an oil delivery pipe is communicated between the arc-shaped hydraulic cylinder and the flow regulating valve on the left end wall of the hydraulic cylinder, and a rotating plate is rotatably connected to one side end face of the arc-shaped hydraulic rod, which is close to the central line of the shell.

Before the sampling cotton swab is placed into the clamping mechanism, the sampling cotton swab preferentially passes through the arc-shaped supports of the two supporting mechanisms, the sampling cotton swab is supported by the two arc-shaped supports, the stability of the cotton swab in the sampling process is ensured, meanwhile, the arc-shaped supports are arranged in the arc-shaped plates through the rolling ball rotation by the supporting rods, the cotton swab direction rotation is also convenient for medical staff to take samples, when the medical staff downwards presses the cotton swab to extend towards the rear nasopharynx wall of a sampler, the rolling ball is subjected to downward pressure increase at the moment, the rolling ball extrudes the second abutting block under the action of external force, the second abutting block drives the hydraulic plate to slide towards the inside of the hydraulic cylinder through the positioning rod, the pressure in the hydraulic cylinder is increased, hydraulic oil in the hydraulic cylinder is discharged into the arc-shaped hydraulic cylinder along an oil pipeline under the control of the flow regulating valve, the hydraulic oil entering the arc-shaped hydraulic cylinder pushes the arc-shaped hydraulic rod to slide towards the outside, support the bracing piece once more, when making the arc support receive downward pressure, the height that the arc support descends is injectd, inject the distance of pushing down of cotton swab promptly, avoids the cotton swab of pushing down and the nostril inner wall contact of sample person, causes wearing and tearing to sample person's nostril inner wall.

Compared with the prior art, this clinical laboratory is with nasopharynx swab sample assistor has following advantage:

1. because power unit's design, power unit can drive fixture on the one hand and drive the sample cotton swab and carry out the pharynx swab sampling to the person's of taking a sample nasal cavity, has solved current manual sample and has made whole sampling process more laborsaving, and on the other hand medical personnel can be according to the cold and hot change of weather through the surface temperature who adjusts the interior wind of flow of blast pipe in order to change the casing, improves the comfort level in the use.

2. Because fixture's design, two centre gripping spin in the fixture can inject the position of sample cotton swab in the grip block during initial, guarantee the stability that the cotton swab got into the nasal cavity, when the cotton swab touched the sample person nasopharynx back wall, the centre gripping spin still can drive the cotton swab and roll to realize pharynx swab sample work.

3. Because supporting mechanism's design can support the sample cotton swab, improves the stability of sample in-process, when medical personnel pushed down the cotton swab and extend to sample person's nasopharynx back wall, supporting mechanism still can support the cotton swab once more, prescribes a limit to the distance of pushing down of cotton swab promptly, avoids the cotton swab of pushing down and sample person's nostril inner wall contact, causes wearing and tearing to sample person's nostril inner wall.

Drawings

FIG. 1 is a sectional view showing the entire structure of the nasopharyngeal swab sampling aid for clinical laboratory.

Fig. 2 is a partially enlarged schematic view of the invention at a in fig. 1.

Fig. 3 is a partially enlarged schematic view of the invention at B in fig. 1.

Fig. 4 is an enlarged partial schematic view of the invention at C in fig. 3.

Fig. 5 is a cross-sectional view taken in the direction D-D of fig. 4 in accordance with the present invention.

Fig. 6 is an enlarged partial schematic view at E of fig. 3 of the present invention.

Fig. 7 is a sectional view in the direction F-F of fig. 1 of the present invention.

Fig. 8 is an enlarged partial schematic view of the invention at G in fig. 7.

In the figure, a housing 10, a working space 11, a motor case 12, a base 13, a double-shaft motor 14, a second motor shaft 18, a first bevel gear 19, a second bevel gear 20, a first placing cavity 21, a gear shaft 22, a first reel 23, a first cord 24, a slideway 25, an arc-shaped groove 26, a slider 27, an extension spring 28, a limiting groove 29, a limiting rolling ball 30, a first compression spring 31, a connecting rod 32, a clamping block 33, a second placing cavity 34, a sliding plate 35, a second compression spring 36, a guide plate 37, a transverse plate 38, a shifting sheet 39, a first torsion spring 40, a rotating shaft 41, a second reel 42, a gear 43, a second cord 44, a limiting sheet 45, a guide wheel 47, a U-shaped groove 48, a third compression spring 49, a third placing cavity 50, a shaft seat 51, a first optical axis 52, a second torsion spring 53, a first chain wheel 54, a third chain wheel 55, a chain 56, a second optical axis 57, a second chain wheel 58, a clamping rolling ball 59, The device comprises an arc-shaped plate 60, a first abutting block 61, a rolling ball 62, a support rod 63, an arc-shaped support 64, a second abutting block 65, a positioning rod 66, a hydraulic plate 67, a hydraulic cylinder 68, a fourth compression spring 69, a flow regulating valve 70, an oil pipeline 71, an arc-shaped hydraulic cylinder 72, an arc-shaped hydraulic rod 73, a rotating plate 74, a convex block 75, a first motor shaft 76, a fan 77, an air vent 78, an exhaust pipe 79, an exhaust valve 80, a temperature regulating block 81, a first electric control block 83 and a second electric control block 84.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, a nasopharyngeal swab sample assistor for clinical laboratory, including right-hand member open-ended casing 10, be injectd working space 11 in the casing 10, be equipped with the power unit of this assistor operation of drive in the working space 11, be equipped with the glide machanism by power unit drive in the upper and lower both sides end wall of casing 10 respectively, two glide components are upper and lower symmetric distribution about the central line of casing 10, be equipped with the fixture that carries out the centre gripping to gathering the cotton stick between two glide machanism, the right-hand member open-ended car of casing 10 is equipped with two and carries out the supporting mechanism that supports gathering the cotton stick, two supporting mechanisms are upper and lower symmetric distribution about the central line of casing 10.

Before the auxiliary device is used, a sampling cotton swab is placed at a clamping mechanism through two supporting mechanisms for position limitation, after the sampling cotton swab is placed, the right end opening of a shell 10 is aligned with the nostril of a sampler, a power mechanism is started, the power mechanism drives a sliding mechanism to operate, the clamping mechanism is driven by the sliding mechanism to slide towards the direction close to the right end opening of the shell 10, namely the clamping mechanism drives the sampling cotton swab to enter the nostril of the sampler at a constant speed, when the cotton swab touches the rear wall of the nasopharynx of the sampler, the clamping mechanism can work to stop the operation of the power mechanism on one hand and drive the cotton swab to rotate on the other hand, the sampling work of the pharyngeal swab is finished, when a medical worker presses down the cotton swab to extend towards the rear wall of the nasopharynx of the sampler, the supporting mechanisms can also support the cotton swab again, namely limit the pressing-down distance of the cotton swab, and avoid the pressed cotton swab from contacting, causing abrasion to the inner wall of the nostril of the patient.

As shown in fig. 1, the power mechanism includes a motor box 12 fixedly disposed on the left inner wall of the housing 10, the left end wall of the motor box 12 is opened with two air vents 78 penetrating the left end wall of the housing 10, the upper inner wall of the motor box 12 is provided with a temperature adjusting block 81, the upper and lower inner walls of the motor box 12 are respectively fixedly connected with a base 13, the two bases 13 are fixedly connected with a dual-shaft motor 14, the left output end of the dual-shaft motor 14 is fixedly connected with a first motor shaft 76, the first motor shaft 76 is sleeved with a fan 77, the upper and lower end walls of the motor box 12 are respectively provided with an exhaust valve 80, each exhaust valve 80 is connected with an exhaust pipe 79 extending into the housing 10 and communicating with the external space, the right output end of the dual-shaft motor 14 is fixedly connected with a second motor shaft 18 extending into the working space 11 through the right end wall of the motor box 12, the part of, the upper and lower inner walls of the housing 10 respectively define first mounting cavities 21, a gear shaft 22 is rotatably connected between the two first mounting cavities 21, a second bevel gear 20 meshed with the first bevel gear 19 is sleeved on the gear shaft 22 located inside the working space 11, and first reels 23 are respectively sleeved on the portions of the gear shaft 22 located inside each first mounting cavity 21.

When the auxiliary device is used, the double-shaft motor 14 in the motor box 12 is started, on one hand, the fan 77 is driven to rotate in the motor box 12 through the first motor shaft 76 when the double-shaft motor 14 runs, the fan 77 sucks the air in the external space into the motor box 12 through the two vent holes 78 in the rotating process, the air entering the motor box 12 is adjusted in temperature (cold air or hot air) through the temperature adjusting block 81, the adjusted air is controlled by the two exhaust valves 80 to be discharged to the external space along the exhaust pipe 79 respectively, so that medical personnel can change the surface temperature of the shell 10 by adjusting the air flowing in the exhaust pipe 79 according to the cold and hot changes of the weather, and the comfort level in the using process is improved;

on the other hand drives first bevel gear 19 through second motor shaft 18 and rotates when biax motor 14 moves, and first bevel gear 19 rotates the in-process and drives gear shaft 22 through the meshing with second bevel gear 20 and rotate in workspace 11, and gear shaft 22 rotates the in-process and drives two first reels 23 and rotate respectively in two first arrangement cavities 21, provides power for the operation of the subassembly that slides through two first reels 23, has solved current manual sampling and has made whole sampling process more laborsaving.

As shown in fig. 1 and fig. 2, the sliding mechanism includes a slide 25 provided in an end wall of the casing 10, at least two arc-shaped grooves 26 are provided on an inner wall of one side of the slide 25 away from a center line of the casing 10, the arc-shaped grooves 26 are uniformly distributed on an inner wall of the slide 25 along a length direction of the slide 25, a slide 27 is slidably connected in the slide 25, a first rope 24 is drivingly connected between the slide 27 and a first reel 23 of the power mechanism, an extension spring 28 is fixedly connected between the slide 27 and the right inner wall of the slide 25, a limit groove 29 is provided on a side end face of the slide 27 away from the center line of the casing 10, a limit rolling ball 30 matched with the arc-shaped grooves 26 is slidably connected in the limit groove 29, a first compression spring 31 is fixedly connected between bottom ends of the limit rolling ball 30 and the limit groove 29.

Initially, under the pulling of the first cord 24, the limiting rolling ball 30 slides to the outside of the limiting groove 29 under the pushing of the first compression spring 31, the position of the sliding block 27 in the slideway 25 is limited by the contact of the limiting rolling ball 30 and the arc-shaped groove 26, so that the extension spring 28 is in a stretched state in the slideway 25, when the first reel 23 of the power mechanism rotates, the first reel 23 releases the wound first cord 24 at a constant speed, so that the external force applied by the first cord 24 on the slider 27 is gradually reduced, and the stretched extension spring 28 is reset to apply a pulling force to the slider 27 in a direction approaching the right end opening of the housing 10, under the action of external force, the limiting rolling ball 30 slides out of the arc-shaped groove 26, so that the limiting of the sliding block 27 in the slideway 25 is cancelled, namely, the slide block 27 slides towards the direction close to the right end opening of the shell 10 under the pulling of the extension spring 28, and the slide block 27 drives the clamping mechanism to slide towards the direction close to the right end opening of the shell 10 through the connecting rod 32 in the sliding process.

As shown in fig. 1 and 3, the clamping mechanism includes a clamping block 33 fixedly disposed between two sliding mechanism connecting rods 32, second accommodating cavities 34 are respectively defined in end walls of upper and lower sides of the clamping block 33, a sliding plate 35 is slidably connected in the clamping block 33, a second compression spring 36 is fixedly connected between the sliding plate 35 and the bottom end of the clamping block 33, a clamping component for clamping a sampling swab is disposed in each second accommodating cavity 34, and the two clamping components are vertically and symmetrically distributed about a central line of the clamping block 33.

Enter before the nasopharynx swab sample, place the sample cotton swab in grip block 33, the sample cotton swab is preferred to be contacted with two centre gripping subassemblies, contact with slide 35 again, prescribe a limit to the position of cotton swab in grip block 33 through two centre gripping subassemblies, treat the good back of sample cotton swab centre gripping, aim at sample person's nostril with the right-hand member opening of casing 10, because grip block 33 slides to being close to casing 10 right-hand member open-ended direction under the drive of two subassembly that slide, grip block 33 drives the sample cotton swab at the uniform velocity promptly and gets into in sample person's nostril.

As shown in fig. 3, 4, 5 and 6, the clamping assembly includes a first electric control block 83 disposed on the inner wall of the upper side of the second housing chamber 34, a second electric control block 84 disposed on the end surface of the slide plate 35 near the bottom end of the second housing chamber 34 and engaged with the first electric control block 83, a guide plate 37 extending into the second housing chamber 34 is disposed on the slide plate 35, a transverse plate 38 is fixedly connected to the guide plate 37, at least two shifting plates 39 are rotatably connected to the transverse plate 38, a plurality of shifting plates 39 are uniformly distributed on the end surface of the transverse plate 38 away from the clamping block 33 along the length direction of the transverse plate 38, a first torsion spring 40 is fixedly connected between each shifting plate 39 and the transverse plate 38, a rotating shaft 41 is rotatably connected to the position above the shifting plate 39 in the second housing chamber 34, a gear 43 engaged with the shifting plate 39 is sleeved on the rotating shaft 41, a second reel 42 is sleeved on the position behind the gear 43 on the rotating shaft 41 in the second housing chamber 34, and a stopper 45 engaged with the gear 43 is disposed on the rotating, a U-shaped groove 48 with an opening facing the central line of the clamping block 33 is arranged in the second arranging cavity 34, a convex block 75 with a groove at the lower end is connected in the U-shaped groove 48 in a sliding manner, two third compression springs 49 are fixedly connected between the convex block 75 and the bottom end of the U-shaped groove 48, a third arranging cavity 50 is limited in the convex block 75, shaft seats 51 are fixedly connected on the inner walls of the left side and the right side of the third arranging cavity 50 respectively, a first optical axis 52 is rotatably connected between the two shaft seats 51, a second torsion spring 53 is fixedly connected between the left end and the right end of the first optical axis 52 and each shaft seat 51 respectively, a third reel 55 is sleeved on the first optical axis 52, a second cord 44 is rotatably connected between the third reel 55 and the second reel 42, a guide wheel 47 for guiding the second cord 44 is rotatably connected in the second arranging cavity 34, a first chain wheel 54 is respectively sleeved on the left side and the right side of the third reel 55 on the first optical axis, the second optical axis 57 is sleeved with a clamping rolling ball 59 at the groove at the lower end of the convex block 75, two second chain wheels 58 are sleeved on the part of the second optical axis 57 located in the third arranging cavity 50, and a chain 56 is connected between each second chain wheel 58 and the corresponding first chain wheel 54 in a transmission manner.

When the sampling cotton swab is close to the clamping block 33, the sampling cotton swab is preferentially contacted with the two clamping rolling balls 59 and then contacted with the sliding plate 35, the sampling cotton swab extrudes the clamping rolling balls 59 to drive the convex block 75 to slide towards the inside of the U-shaped groove 48 through the clamping rolling balls 59, and the two third compression springs 49 are compressed to accumulate force, the two clamping rolling balls 59 are used for clamping and limiting the sampling cotton swab, when the holding block 33 drives the sampling cotton swab to move to the rear wall of the nasopharynx of the sampler, the sampling cotton swab is subjected to the resistance of the rear wall of the nasopharynx, the sampling cotton swab pushes the sliding plate 35 to slide towards the inside of the second arranging cavity 34 under the action of external force, the sliding plate 35 compresses the second compression spring 36 to store force and simultaneously enables the second electric control block 84 to be in contact with the first electric control block 83 to control the power mechanism to stop running in the sliding process, and the sliding plate 35 drives the transverse plate 38 to slide towards the direction close to the rotating shaft 41 in the second arranging cavity 34 through the guide plate 37;

the transverse plate 38 pulls the gear 43 to rotate in the second arranging cavity 34 through a plurality of pulling sheets 39 in the sliding process, the gear 43 drives the second reel 42 to rotate through the rotating shaft 41 in the rotating process, the second reel 42 winds the second cord 44 guided by the guide wheel 47 in the rotating process, so that the third reel 55 rotates in the third arranging cavity 50, the third reel 55 drives the two first chain wheels 54 to rotate through the first optical axis 52 in the rotating process, the second optical axis 57 is driven to rotate through the transmission between the chain 56 and the second chain wheel 58 in the rotating process of the first chain wheels 54, the clamping rolling ball 59 at the groove at the lower end of the lug 75 is driven to rotate in the rotating process of the second optical axis 57, friction is generated between the clamping rolling ball 59 and the sampling cotton swab in the rotating process, and the clamping rolling ball 59 drives the sampling cotton swab to rotate in the clamping block 33 under the action of friction force, the sampling work of the nasopharyngeal swab of a sampler is realized through the rotation of the sampling cotton swab.

As shown in fig. 1, 7 and 8, the supporting mechanism includes an arc-shaped plate 60 disposed at the right end opening of the casing 10, a rolling ball 62 is rotatably connected in the arc-shaped plate 60, the inner end face of the arc-shaped plate 60 is fixedly connected with two first abutting blocks 61 matched with the rolling ball 62, the outer peripheral side of the rolling ball 62 close to the center line of the casing 10 is fixedly connected with a supporting rod 63, one end of the supporting rod 63 close to the center line of the casing 10 is fixedly connected with an arc-shaped support 64, a hydraulic cylinder 68 is disposed in the lower end wall of the arc-shaped plate 60, a hydraulic plate 67 is slidably connected in the hydraulic cylinder 68, a fourth compression spring 69 is fixedly connected between the hydraulic plate 67 and the bottom end of the hydraulic cylinder 68, the upper end of the hydraulic plate 67 is fixedly connected with a positioning rod 66, the upper end of the positioning rod 66 is fixedly connected with a second abutting block 65 matched with the rolling ball 62, a flow regulating valve, an oil delivery pipe 71 is communicated between the arc-shaped hydraulic cylinder 72 and the flow regulating valve 70 on the left end wall of the hydraulic cylinder 68, and a rotating plate 74 is rotatably connected to one side end surface of the arc-shaped hydraulic rod 73 close to the central line of the shell 10.

Before the sampling cotton swab is placed into the clamping mechanism, the sampling cotton swab preferentially passes through the arc-shaped supports 64 of the two supporting mechanisms, the sampling cotton swab is supported by the two arc-shaped supports 64, the stability of the cotton swab in the sampling process is ensured, meanwhile, the arc-shaped supports 64 are rotatably arranged in the arc-shaped plate 60 through the supporting rods 63 through the rolling balls 62, the cotton swab direction rotation is also convenient for medical staff to take samples, when the medical staff downwards presses the cotton swab to extend towards the rear wall of the nasopharynx of a sampler, the rolling balls 62 are subjected to downward pressure increase at the moment, the rolling balls 62 extrude the second abutting block 65 under the external force, the second abutting block 65 drives the hydraulic plate 67 to slide towards the inside of the hydraulic cylinder 68 through the positioning rods 66, the pressure intensity in the hydraulic cylinder 68 is increased, the hydraulic oil in the hydraulic cylinder 68 is controlled by the flow regulating valve 70 to be discharged into the arc-shaped hydraulic cylinder 72 along the oil pipeline 71, the hydraulic oil entering the arc-shaped hydraulic cylinder, arc hydraulic stem 73 slides in-process and drives rotor plate 74 and bracing piece 63 contact, supports bracing piece 63 once more, and when making arc support 64 receive downward pressure, the height that arc support 64 descends is injectd, inject the distance of pushing down of cotton swab promptly, and the cotton swab of avoiding pushing down contacts with the nostril inner wall of sample person, causes wearing and tearing to sample person's nostril inner wall.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A nasopharyngeal swab sampling assistor for clinical laboratory, includes right-hand member open-ended casing (10), has confined workspace (11) in casing (10), its characterized in that: be equipped with the power unit of this assistor operation of drive in workspace (11), be equipped with respectively in the upper and lower both sides end wall of casing (10) by power unit driven glide machanism, two the subassembly that slides is longitudinal symmetry about the central line of casing (10) and distributes, two be equipped with the fixture that carries out the centre gripping to gathering the cotton stick between the glide machanism, the right-hand member opening car of casing (10) is equipped with two and carries out the supporting mechanism that supports, two to gathering the cotton stick the central line of supporting mechanism is longitudinal symmetry about casing (10) distributes.

2. The nasopharynx swab sampling auxiliary device for clinical laboratory according to claim 1, wherein: power unit is including fixed setting motor case (12) of casing (10) left side inner wall, the left end wall of motor case (12) is opened to lead to and has been run through two air vent (78) of casing (10) left end wall, the upside inner wall of motor case (12) is equipped with temp. adjusting block (81), base (13) have been linked firmly respectively between the upper and lower both sides inner wall of motor case (12), two double-shaft motor (14) have been linked firmly between base (13), the left side output of double-shaft motor (14) has linked firmly first motor shaft (76), the cover is equipped with fan (77) on first motor shaft (76), be equipped with discharge valve (80) in the upper and lower both sides end wall of motor case (12) respectively, every be connected with on discharge valve (80) and extend to blast pipe (79) that are linked together with external space in casing (10), the right side output of double-shaft motor (14) has linked firmly and runs through motor case (12) right end wall extends to what it has The second motor shaft (18) in the working space (11) is sleeved with a first bevel gear (19), the inner walls of the upper side and the lower side of the shell (10) are respectively limited with first arranging cavities (21), a gear shaft (22) is rotatably connected between the two first arranging cavities (21), the gear shaft (22) is positioned in the working space (11) and sleeved with a second bevel gear (20) meshed with the first bevel gear (19), and the part of the gear shaft (22) positioned in each first arranging cavity (21) is respectively sleeved with a first reel (23).

3. The nasopharynx swab sampling auxiliary device for clinical laboratory according to claim 2, wherein: the sliding mechanism comprises a slide way (25) arranged in the end wall of the shell (10), at least two arc-shaped grooves (26) are formed in the inner wall of one side, far away from the central line of the shell (10), of the slide way (25), the arc-shaped grooves (26) are uniformly distributed on the inner wall of the slide way (25) along the length direction of the slide way (25), a slide block (27) is connected in the slide way (25) in a sliding mode, a first rope (24) is connected between the slide block (27) and a first reel (23) of the power mechanism in a transmission mode, an extension spring (28) is fixedly connected between the slide block (27) and the inner wall of the right side of the slide way (25), a limit groove (29) is formed in the end face of one side, far away from the central line of the shell (10), of the slide block (27), and a limit rolling ball (30) matched, a first compression spring (31) is fixedly connected between the limiting rolling ball (30) and the bottom end of the limiting groove (29), and a connecting rod (32) is fixedly connected to one side end face of the sliding block (27) close to the central line of the shell (10).

4. The nasopharynx swab sampling auxiliary device for clinical laboratory according to claim 3, wherein: fixture is including fixed setting two grip block (33) between glide machanism connecting rod (32), it settles chamber (34) to have limited the second in the upper and lower both sides end wall of grip block (33) respectively, sliding connection has slide (35) in grip block (33), slide (35) with second compression spring (36) have been linked firmly between the bottom of grip block (33), every be equipped with in second settling chamber (34) and carry out the centre gripping subassembly of centre gripping, two the centre gripping subassembly is upper and lower symmetric distribution about the central line of grip block (33).

5. The nasopharynx swab sampling aid for clinical laboratory according to claim 4, wherein: the clamping assembly comprises a first electric control block (83) arranged on the upper side inner wall of the second arrangement cavity (34), a sliding plate (35) is close to a side end face of the second arrangement cavity (34) bottom and is provided with a second electric control block (84) matched with the first electric control block (83), the sliding plate (35) is provided with a guide plate (37) extending into the second arrangement cavity (34), a transverse plate (38) is fixedly connected on the guide plate (37), at least two shifting pieces (39) are rotatably connected on the transverse plate (38), the shifting pieces (39) are uniformly distributed on the transverse plate (38) along the length direction of the transverse plate (38) on a side end face far away from the clamping block (33), a first torsion spring (40) is fixedly connected between each shifting piece (39) and the transverse plate (38), the second arrangement cavity (34) is positioned above the shifting piece (39) and is rotatably connected with a rotating shaft (41), the rotating shaft (41) is sleeved with a gear (43) matched with the shifting piece (39), the rotating shaft (41) is provided with a second reel (42) at the rear of the gear (43), the second placing cavity (34) is internally provided with a limiting piece (45) matched with the gear (43) and arranged above the rotating shaft (41), the second placing cavity (34) is internally provided with a U-shaped groove (48) with an opening facing the central line of the clamping block (33), the lower end of the U-shaped groove (48) is internally provided with a concave convex block (75) in a sliding connection manner, two third compression springs (49) are fixedly connected between the convex block (75) and the bottom end of the U-shaped groove (48), a third placing cavity (50) is limited in the convex block (75), the inner walls of the left side and the right side of the third placing cavity (50) are respectively fixedly connected with shaft seats (51), and two first optical axes (52) are rotatably connected between the shaft seats (51), both ends and every about first optical axis (52) have linked firmly second torsional spring (53) respectively between axle bed (51), the cover is equipped with third reel (55) on first optical axis (52), third reel (55) with second reel (42) are rotated between and are connected with second cotton rope (44), the second is settled chamber (34) internal rotation and is connected with right guide wheel (47) that second cotton rope (44) carried out the direction, lie in on first optical axis (52) the left and right sides of third reel (55) is overlapped respectively and is equipped with first sprocket (54), lug (75) lower extreme groove department rotates and is connected with second optical axis (57), second optical axis (57) are located lug (75) lower extreme groove department cover is equipped with centre gripping spin (59), second optical axis (57) are located the cover is equipped with two second sprocket (58) on the part in third settlement chamber (50), a chain (56) is in transmission connection between each second chain wheel (58) and the corresponding first chain wheel (54).

6. The nasopharynx swab sampling aid for clinical laboratory according to claim 5, wherein: the supporting mechanism comprises an arc-shaped plate (60) arranged at the opening at the right end of the shell (10), a rolling ball (62) is rotationally connected in the arc-shaped plate (60), the inner end face of the arc-shaped plate (60) is fixedly connected with two first abutting blocks (61) matched with the rolling ball (62), the rolling ball (62) is close to the outer peripheral side of the central line of the shell (10), a supporting rod (63) is fixedly connected to the outer peripheral side of the central line of the shell (10), one end, close to the central line of the shell (10), of the supporting rod (63) is fixedly connected with an arc-shaped support (64), a hydraulic cylinder (68) is arranged in the lower end wall of the arc-shaped plate (60), a hydraulic plate (67) is slidably connected in the hydraulic cylinder (68), a fourth compression spring (69) is fixedly connected between the hydraulic plate (67) and the bottom end of the rolling ball (68), a positioning rod (66) is fixedly connected to the upper end of the hydraulic plate, be equipped with in the left end wall of pneumatic cylinder (68) and transfer valve (70), be located in arc (60) pneumatic cylinder (68) below is equipped with arc pneumatic cylinder (72), sliding connection has arc hydraulic stem (73) in arc pneumatic cylinder (72), arc pneumatic cylinder (72) with the intercommunication has defeated oil pipe (71) between transfer valve (70) of pneumatic cylinder (68) left end wall, arc hydraulic stem (73) are close to a side end face of casing (10) central line rotates and is connected with rotor plate (74).