CN114027884B - Saliva collection system - Google Patents
Saliva collection system Download PDFInfo
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- CN114027884B CN114027884B CN202111192149.0A CN202111192149A CN114027884B CN 114027884 B CN114027884 B CN 114027884B CN 202111192149 A CN202111192149 A CN 202111192149A CN 114027884 B CN114027884 B CN 114027884B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/0045—Devices for taking samples of body liquids
- A61B10/0051—Devices for taking samples of body liquids for taking saliva or sputum samples
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2503/00—Evaluating a particular growth phase or type of persons or animals
- A61B2503/40—Animals
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- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
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Abstract
The invention is applicable to the technical field of body fluid collection, and provides a saliva collection device; comprising the following steps: a bracket; the collecting assembly is rotatably arranged on the bracket and is used for collecting saliva; the collecting assembly comprises a supporting ring, a transmitting ring and a collecting sponge sleeve, wherein the transmitting ring is rotatably arranged on two sides of the supporting ring, and the collecting sponge sleeve is sleeved on the transmitting ring; the transmission ring is provided with A through holes for saliva to enter in an array manner, and is rotatably arranged on the bracket; the rotating assembly is used for driving the collecting assembly to rotate unidirectionally when contracting towards the inside of the bracket; the compression assembly is used for extruding the surface of the acquisition assembly in the rotating and descending process; and the transmission component is used for collecting saliva in the collection component and moves along with the shrinkage of the collection component towards the inside of the bracket. The saliva collecting device can collect collected saliva rapidly, and can avoid the situation that the collected saliva cannot be collected completely in the prior art.
Description
Technical Field
The invention relates to the technical field of body fluid collection, in particular to a saliva collection device.
Background
Compared with the traditional blood sampling mode, the saliva sample collection is a mode of collecting the saliva sample without hurting the body and pain, is not easy to cause discomfort and fear of animals, does not cause any discomfort to the animals, is easy to implement, and does not cause countermeasures of the animals.
Since animals often have no dropsy capability and less saliva during saliva collection, it is often necessary to collect animal saliva by adsorption using a sponge which is non-toxic and has extremely strong adsorption capability.
The prior art's animal saliva collection system, it adsorbs the saliva on the sponge, then extrudees only one side to the sponge, leads to the sponge can not by repeated extrusion, even so, also can not make the saliva of being gathered collect completely, in order to solve this technical problem, proposes a saliva collection system now.
Disclosure of Invention
The present invention is directed to a saliva collecting device, which solves the above-mentioned problems.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a saliva collection device, comprising: a bracket;
the collecting assembly is rotatably arranged on the bracket and is of a roller-shaped structure for collecting saliva;
the collecting assembly comprises a supporting ring, a transfer ring and a collecting sponge sleeve, wherein the transfer ring is rotatably arranged on two sides of the supporting ring, and the collecting sponge sleeve is sleeved on the transfer ring; the transmission ring is provided with A through holes for saliva to enter in an array manner, and is rotatably arranged on the bracket;
the rotating assembly is used for driving the collecting assembly to rotate unidirectionally when contracting towards the inside of the bracket;
the compression assembly is used for extruding the surface of the acquisition assembly in the rotating and descending process; a kind of electronic device with high-pressure air-conditioning system
The transmission component is used for collecting saliva in the collection component and moves along with the shrinkage of the collection component towards the inside of the bracket; the transmission assembly comprises a collecting pipe fixedly arranged in a mounting hole on the supporting ring, an inner sleeve is arranged in the inner space of the bottom of the collecting pipe, a piston is arranged in the inner sleeve, and the piston is elastically and slidably arranged in the inner sleeve; the piston is used for sucking saliva in the collecting pipe into the piston in the downward sliding process, and discharging saliva in the inner sleeve into a collecting bottle in the upward sliding process of the piston, wherein the collecting bottle is used for collecting saliva discharged from the inner sleeve.
As a further scheme of the invention: the collection assemblies at the two ends are respectively rotatably mounted on the support rods, and the support rods are elastically mounted on the support.
As still further aspects of the invention: the compression assembly comprises a compression roller and an elastic telescopic rod, and two ends of the compression roller are rotatably arranged on the bracket through the elastic telescopic rod; the tight roller is arranged on the descending track of the acquisition assembly.
As still further aspects of the invention: the rotating assembly comprises a one-way gear and a rack, the one-way gear is arranged on the transmission ring, the rack is fixedly arranged on the support, and the rack is arranged on the moving track of the one-way gear.
As still further aspects of the invention: the bottom of the piston is fixedly provided with a contact resisting rod, and one side of the contact resisting rod passes through a first central hole on the collecting pipe and a second central hole on the rotating sleeve; the transfer assembly further comprises a guide tube arranged right below the collecting tube, a limiting rod is arranged in the guide tube, and the limiting rod is arranged on the descending track of the contact resisting rod.
As still further aspects of the invention: a rotating sleeve is elastically arranged at the bottom of the collecting pipe in a rotating way; the rotary sleeve is sleeved at the bottom of the collecting pipe, a plurality of first communication holes are circumferentially arranged on the side wall of the bottom of the inner sleeve in an array manner, an inner ring is arranged in the rotary sleeve, and a plurality of third communication holes matched with the first communication holes are arranged on the inner ring in an array manner; the bottom of the rotating sleeve is provided with a plurality of fourth communication holes in an array manner, the fourth communication holes are arranged on the inner side of the inner ring, the inner ring penetrates through the annular holes at the bottom of the collecting pipe, and the inner ring is attached to the inner wall of the inner sleeve; a second communication hole is circumferentially arranged at the bottom of the collecting pipe and is used for being communicated with a fourth communication hole in a matched mode; the second communication hole is communicated with the fourth communication hole in a matched mode.
As still further aspects of the invention: a conversion mechanism for driving the rotating sleeve to rotate is arranged between the rotating sleeve and the guide pipe.
As still further aspects of the invention: the conversion mechanism comprises a guide slideway arranged on the inner wall of the guide pipe and driving sliding rods symmetrically arranged on two sides of the rotating sleeve; the guide slide way is used for driving the slide bar to slide into the driving rotating sleeve to rotate along with the descending process of the collecting pipe.
As still further aspects of the invention: the guide slideway comprises a guide section, a suction section, a discharge section, a transition section and a unidirectional lock, wherein the guide section, the suction section, the discharge section, the transition section and the unidirectional lock are arranged on the inner wall of the guide pipe; the leading-in section is vertical to be set up, leading-in section bottom opening and suction section and discharge section intercommunication, suction section and discharge section keep away from leading-in section one end and pass through the changeover portion intercommunication, discharge section and leading-in section intercommunication department are provided with the one-way lock.
As still further aspects of the invention: the elastic outer side of the driving slide bar is elastically and rotatably arranged on the collecting pipe through a third elastic piece.
Compared with the prior art, the invention has the beneficial effects that: the collecting assembly contracts towards the inside of the support, the rotating assembly drives the collecting assembly to rotate in one direction in the contraction process, so that the collecting assembly rotates in the descending process and does not rotate in the ascending process, and the collecting assembly can squeeze the position of each collecting assembly, and the phenomenon that the rotating speed of the collecting assembly is too high in the squeezing process is avoided;
the rolling collecting sponge sleeve is extruded through the upper compression assembly, so that collected saliva can be completely collected through the transmission assembly;
in the shrinkage process of the collecting assembly, the piston sucks saliva in the collecting pipe into the piston in the downward sliding process of the piston; when the piston inhales saliva to the inside of endotheca, the inside saliva of collecting pipe reduces this moment, because collecting pipe and collection subassembly inside intercommunication, consequently whole collection subassembly is inside can appear pressure and become down, so and then can promote the saliva that extrudees from collecting the sponge cover to get into to the transmission ring, gets into in the collection subassembly saliva increases and is convenient for transfer subassembly discharge work, gathers subassembly and transfer subassembly and both are promoting each other.
Drawings
Fig. 1 is a schematic structural view of a saliva collecting device.
Fig. 2 is a schematic structural view of a collection assembly in the saliva collection device.
Fig. 3 is a schematic structural view of a transfer assembly in the saliva collecting device.
Fig. 4 is an enlarged view at a in fig. 3.
Fig. 5 is a schematic structural view of a rotating sleeve in the saliva collecting device.
Fig. 6 is a schematic structural view of a guide tube in the saliva collecting device.
Fig. 7 is a view in the direction B-B of fig. 3.
In the figure: the collecting device comprises a bracket-1, a collecting component-2, a collecting bottle-3, a transmitting component-4, a compressing component-5, a rotating component-6, a supporting ring-21, a transmitting ring-22, a collecting sponge sleeve-23, a supporting rod-24, a first elastic piece-25, a collecting pipe-41, a collision rod-42, a rotating sleeve-43, a guiding pipe-44, a third elastic piece-45, a compressing roller-51, an elastic telescopic rod-52, a one-way gear-61, a rack-62, a first central hole-411, an inner sleeve-412, a second elastic piece-413, a piston-414, an annular hole-415, a first communication hole-416, a second communication hole-417, an inner ring-431, a third communication hole-432, a fourth communication hole-433, a driving sliding rod-434, a second central hole-435, a leading-441, a sucking section-442, a discharging section-443, a transition section-444, a one-way lock-445, a limiting rod-447.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 4, in an embodiment of the present invention, a structure diagram of a saliva collecting device provided by the embodiment of the present invention includes: the collecting device comprises a bracket 1, a collecting assembly 2, a collecting bottle 3, a transmitting assembly 4, a compressing assembly 5 and a rotating assembly 6; the bracket 1 is used for supporting the acquisition assembly 2, the collection bottle 3, the transmission assembly 4, the compression assembly 5 and the rotation assembly 6; the collecting assembly 2 is rotatably arranged on the bracket 1, and the collecting assembly 2 is of a roller-shaped structure for collecting saliva;
the collecting assembly 2 comprises a supporting ring 21, a transmission ring 22 and a collecting sponge sleeve 23, wherein the transmission ring 22 is rotatably arranged on two sides of the supporting ring 21, and the collecting sponge sleeve 23 is sleeved on the transmission ring 22; the transmission ring 22 is provided with A through holes for saliva to enter in an array manner, and the transmission ring 22 is rotatably arranged on the bracket 1;
a rotation assembly 6 for driving the collection assembly 2 to rotate unidirectionally when contracting toward the inside of the bracket 1;
the compressing assembly 5 is used for compressing the surface of the collecting assembly 2 in the rotating and descending process; a kind of electronic device with high-pressure air-conditioning system
A transfer component 4 for collecting saliva in the collection component 2, wherein the transfer component 4 moves along with the collection component 2 to shrink towards the inside of the bracket 1; specifically, the transfer assembly 4 includes a collecting pipe 41 fixedly mounted on a mounting hole of the support ring 21, an inner sleeve 412 is disposed in an inner space of a bottom of the collecting pipe 41, a piston 414 is disposed in the inner sleeve 412, and the piston 414 is elastically slidably disposed in the inner sleeve 412; the piston 414 slides downwards to suck saliva in the collecting pipe 41 into the piston 414, the piston 414 slides upwards to discharge saliva in the inner sleeve 412 into the collecting bottle 3, and the collecting bottle 3 is used for collecting the saliva discharged from the inner sleeve 412.
Specifically, when saliva is collected, the collecting component 2 is inserted into the oral cavity to collect saliva, after the collection is completed, the collecting component 2 is driven to shrink towards the inside of the bracket 1, when the collecting component 2 contacts the compressing component 5, the rotating component 6 drives the collecting component 2 to rotate unidirectionally in the shrinking process, so that the collecting component 2 rotates in the descending process and does not rotate in the ascending process, and relative movement in the circumferential direction exists in the descending process of the collecting component 2 relative to the compressing component 5, so that the collecting component 2 can be extruded at the position of each collecting component 2, and the friction force generated by extrusion can also avoid overhigh rotating speed of the collecting component 2 in the extrusion process; the collecting assembly 2 is simultaneously abutted against the compressing assembly 5 in the rotating process, the compressing assembly 5 extrudes the collecting sponge sleeve 23 so as to completely discharge saliva adhered to the collecting sponge sleeve into the transfer ring 22, and then the saliva enters into the collecting pipe 41 through the supporting ring 21; the transmission component 4 contracts towards the inside of the bracket 1 along with the collection component 2, and during the contraction process, the piston 414 slides downwards to suck saliva in the inner part of the collection pipe 41 into the inner sleeve 412; when saliva is sucked into the inner sleeve 412 by the piston 414, at this time, the saliva in the collecting pipe 41 is reduced, and because the collecting pipe 41 is communicated with the inside of the collecting assembly 2, the pressure in the whole collecting assembly 2 is reduced, so that the saliva extruded from the collecting sponge sleeve 23 can be promoted to enter the transmission ring 22, the saliva entering the collecting assembly 2 is increased, the transmission assembly 4 is convenient to discharge, and the collecting assembly 2 and the transmission assembly 4 are promoted mutually; when the collecting component 2 extends out of the bracket 1, the piston 414 upwards slides to discharge saliva in the inner sleeve 412 into the collecting bottle 3, and the collecting bottle 3 is used for collecting the saliva discharged from the inner sleeve 412; the collecting assembly 2 reciprocates up and down to stretch out and draw back to the inside of the bracket 1, so that saliva on the collecting assembly 2 can be rapidly discharged; the rolling collecting sponge sleeve 23 is extruded through the upper pressing assembly 5, and then collected saliva can be completely collected through the transmission assembly 4. The saliva collecting device can collect collected saliva rapidly, and can avoid the situation that the collected saliva cannot be collected completely in the prior art.
As shown in fig. 1, in order to enable the collection assembly 2 to be retracted toward the inside of the stand 1 as a preferred embodiment of the present invention, the collection assemblies 2 at both ends are rotatably mounted on support rods 24, respectively, and the support rods 24 are elastically mounted on the stand 1. This arrangement in turn enables the collection assembly 2 to be retracted inwardly of the holder 1. Specifically, the support bar 24 is elastically disposed on the bracket 1 by a first elastic member 25. The first elastic member 25 is sleeved on the support rod 24, and two ends of the first elastic member 25 are respectively and fixedly installed on the support 1 and the support rod 24, so that the support rod 24 is elastically installed on the support 1. The support bar 24 is provided with the handle far away from the one end of the transmission ring 22, and the handle is arranged to facilitate pulling of the support bar 24, so that the collection assembly 2 contracts towards the inside of the support 1. The transfer rings 22 at both ends can be fixed by connection, so that both ends are operated synchronously and stably.
In order to squeeze the collection assembly 2 during rotation and descent, the compression assembly 5 comprises a tightening roller 51 and an elastic telescopic rod 52, wherein two ends of the tightening roller 51 are rotatably mounted on the bracket 1 through the elastic telescopic rod 52, the elastic telescopic rod 52 supports the tightening roller 51 in the prior art adopted by the elastic telescopic rod 52. The tight roller 51 sets up on collection subassembly 2 decline orbit, collection subassembly 2 is to the inside shrink in-process of support 1, contradicts tight roller 51, and collection subassembly 2 drives tight roller 51 and descends along with it, has so realized compressing tightly subassembly 5 and has extruded it along with collection subassembly 2 decline in-process.
In order to drive the collecting assembly 2 to rotate unidirectionally, the rotating assembly 6 comprises a unidirectional gear 61 and a rack 62, the unidirectional gear 61 is arranged on the transmission ring 22, the rack 62 is fixedly arranged on the bracket 1, the rack 62 is arranged on the moving track of the unidirectional gear 61, the unidirectional gear 61 is meshed with the rack 62 in the descending process, the unidirectional gear 61 drives the unidirectional gear 61 to drive the transmission ring 22 to rotate in the descending process, and when the collecting assembly 2 automatically ascends under the action of the first elastic piece 25, the unidirectional gear 61 is the unidirectional gear, so that the rack 62 cannot drive the unidirectional gear 61 to drive the transmission ring 22 to rotate. So when collection subassembly 2 next time to the inside shrink in-process of support 1 compress tightly subassembly 5 can also follow last time the position and extrude collection subassembly 2 surface. The unidirectional gear 61 is similar to a flywheel structure in the prior art.
In order to realize the elastic sliding of the piston 414 in the inner sleeve 412, the piston 414 is elastically slidably disposed in the inner sleeve 412 by a second elastic member 413, and specifically, two ends of the second elastic member 413 are fixedly mounted on the piston 414 and the inner wall of the inner sleeve 412, respectively. The second elastic member 413 may be a coil spring.
In order to realize that the piston 414 slides upwards in the process of contracting the collecting assembly 2 into the bracket 1, the bottom of the piston 414 is fixedly provided with a contact rod 42, and one side of the contact rod 42 passes through a first central hole 411 on the collecting pipe 41 and a second central hole 435 on the rotating sleeve 43; the transfer assembly 4 further comprises a guide tube 44 arranged right below the collecting tube 41, wherein a limit rod 447 is arranged in the guide tube 44, and the limit rod 447 is arranged on the descending track of the contact rod 42. This in turn can interfere with the stop rod 447 as the collection tube 41 moves downward, causing the collection assembly 2 to retract within the inner sleeve 412 during descent of the piston 414.
As shown in fig. 3 to 5, in order to realize the communication between the inside of the inner sleeve 412 and the inside of the collecting tube 41 during the upward movement of the piston 414, the piston 414 disconnects the inner sleeve 412 from the collecting tube 41 during the downward movement and discharges saliva inside the inner sleeve 412, and in particular, the bottom of the collecting tube 41 is elastically rotatably provided with a rotating sleeve 43; the rotating sleeve 43 is sleeved at the bottom of the collecting pipe 41, a plurality of first communication holes 416 are circumferentially arranged on the side wall of the bottom of the inner sleeve 412 in an array manner, an inner ring 431 is arranged in the rotating sleeve 43, and a plurality of third communication holes 432 matched with the first communication holes 416 are arranged on the inner ring 431 in an array manner; the bottom of the rotating sleeve 43 is provided with a plurality of fourth communication holes 433 in an array manner, the fourth communication holes 433 are arranged on the inner side of the inner ring 431, the inner ring 431 is arranged through an annular hole 415 at the bottom of the collecting pipe 41, and the inner ring 431 is attached to the inner wall of the inner sleeve 412; a second communication hole 417 is circumferentially arranged at the bottom of the collecting pipe 41, and the second communication hole 417 is used for being communicated with a fourth communication hole 433 in a matching way; the second communication hole 417 is in fit communication with the fourth communication hole 433 for discharging saliva inside the inner housing 412. Specifically, when the piston 414 moves upward, the state of the rotating sleeve 43 changes, and the first communication hole 416 is communicated with the third communication hole 432, the second communication hole 417 and the fourth communication hole 433 are staggered, so that saliva in the collecting pipe 41 enters the inner sleeve 412, and the collecting pipe 41 and the collecting assembly 2 are in negative pressure; when the piston 414 slides downward, the state of the rotating sleeve 43 changes, the second communication hole 417 and the fourth communication hole 433 communicate, the first communication hole 416 and the third communication hole 432 are shifted, and saliva in the inner sleeve 412 is discharged. This realizes that saliva inside the collection tube 41 is discharged during the up-and-down reciprocating movement of the piston 414, and can keep the collection tube 41 and the collection assembly 2 at a negative pressure during the discharge, so that the saliva accompanied by extrusion can be promoted to enter the collection assembly 2.
As shown in fig. 6, as a preferred embodiment of the present invention, in order to enable the rotation sleeve 43 to change its state during the expansion and contraction of the piston 414, a switching mechanism is provided between the rotation sleeve 43 and the guide tube 44. The conversion mechanism comprises a guide slideway arranged on the inner wall of the guide pipe 44 and driving sliding rods 434 symmetrically arranged on two sides of the rotating sleeve 43; the guide slide is used for driving the sliding rod 434 to slide into the driving rotation sleeve 43 to rotate as the collecting pipe 41 descends. The guide slide switches the position of the rotating sleeve 43. Specifically, when the rotating sleeve 43 descends along with the collecting pipe 41, and then the driving sliding rod 434 slides into the guiding slideway, and when the contact resisting rod 42 abuts against the limiting rod 447, the guiding slideway drives the driving sliding rod 434 to drive the rotating sleeve 43 to rotate, so that the first communication hole 416 is communicated with the third communication hole 432, the second communication hole 417 and the fourth communication hole 433 are staggered, and saliva in the collecting pipe 41 enters the inner sleeve 412; when the contact rod 42 descends along with the collecting pipe 41, the guiding slideway drives the driving sliding rod 434 to drive the rotating sleeve 43 to rotate during the ascending process, so that the second communication hole 417 is communicated with the fourth communication hole 433, the first communication hole 416 is staggered with the third communication hole 432, and saliva in the inner sleeve 412 is discharged.
The specific structure of the guide slide way comprises a guide section 441, a suction section 442, a discharge section 443, a transition section 444 and a one-way lock 445 which are arranged on the inner wall of the guide pipe 44; the introducing section 441 is vertically disposed, the bottom opening of the introducing section 441 is communicated with the sucking section 442 and the discharging section 443, one ends of the sucking section 442 and the discharging section 443, which are far away from the introducing section 441, are communicated by the transition section 444, and a unidirectional lock 445 is disposed at the communicating position of the discharging section 443 and the introducing section 441. Specifically, when the contact abutment rod 42 does not abut against the limit rod 447 immediately after the contact abutment rod 42 begins to abut against the limit rod 447 when the collecting pipe 41 slides downward, the 43 rotation assembly 6 slides into the introduction section 441, and when the contact abutment rod 42 abuts against the limit rod 447, the 43 rotation assembly 6 slides into the suction section 442 due to the blocking of the one-way lock 445, so that the position of the rotation sleeve 43 rotates, the first communication hole 416 is communicated with the third communication hole 432, the second communication hole 417 and the fourth communication hole 433 are staggered, and saliva inside the collecting pipe 41 enters the inner sleeve 412; when the collecting pipe 41 descends to the lowest end, the driving sliding rod 434 slides into the transition section 444 and slides into the discharge section 443 under the elastic action, and then the collecting pipe 41 ascends, and at this time, the second central hole 435 drives the rotating sleeve 43 to rotate, so that the second communication hole 417 and the fourth communication hole 433 are communicated, the first communication hole 416 is staggered with the third communication hole 432, and saliva in the inner sleeve 412 is discharged. This arrangement allows for automatic saliva intake and discharge by the rotating sleeve 43 during lifting and lowering of the collection tube 41. The one-way lock 445 is a resilient swivel rod provided on the collection tube 41. The rotating lever is mounted on the collecting pipe 41 by a torsion spring.
As shown in fig. 7, as a preferred embodiment of the present invention, the outer side of the rotating sleeve 43 is elastically rotatably mounted on the collecting pipe 41 by a third elastic member 45, and in particular, both ends of the third elastic member 45 are fixedly mounted on the collecting pipe 41 and the rotating sleeve 43, respectively.
The collection bottle 3 is disposed directly below the guide tube 44.
The working principle of the invention is as follows:
when saliva is collected, the collection assembly 2 is inserted into the oral cavity to collect saliva, and after collection is completed; the collecting assembly 2 is driven to shrink inwards the bracket 1 through the handle on the supporting rod 24, the rack 62 drives the collecting assembly 2 to rotate in the descending process through the one-way gear 61 in the shrinking process, the collecting assembly 2 is abutted against the tight roller 51 in the descending process of the collecting assembly 2, the tight roller 51 descends along with the collecting assembly 2, the rotating and descending collecting assembly 2 is extruded, and saliva on the collecting sponge sleeve 23 enters the collecting pipe 41 through the transmission ring 22; the transmission assembly 4 contracts towards the inside of the bracket 1 along with the acquisition assembly 2, in the contraction process, the contact abutting rods 42 on the collecting pipe 41 descend along with the contact abutting rods, in the initial descending process of the contact abutting rods 42, the driving sliding rods 434 on two sides of the rotating sleeve 43 enter the guide-in section 441, when the contact abutting rods 42 abut against the limiting rods 447, the rotating assembly 6 slides into the suction section 442 due to the blocking of the one-way lock 445, so that the position of the rotating sleeve 43 rotates, the first communication hole 416 is communicated with the third communication hole 432, the second communication hole 417 and the fourth communication hole 433 are staggered, and meanwhile the contact abutting rods 42 abut against the piston 414 to slide towards the inside of the inner sleeve 412, so that saliva in the collecting pipe 41 enters the inside of the inner sleeve 412; when the collecting tube 41 descends to the lowest end, the second central hole 435 slides into the transition section 444, slides into the discharge section 443 under the elastic action, and then the collecting tube 41 ascends, and at this time, the driving sliding rod 434 drives the rotating sleeve 43 to rotate, so that the second communication hole 417 and the fourth communication hole 433 are communicated, the first communication hole 416 is staggered with the third communication hole 432, the piston 414 returns to the initial state under the elastic action, and saliva at the bottom of the inner sleeve 412 is discharged. When the piston 414 sucks saliva into the inner sleeve 412, at this time, the saliva in the collecting pipe 41 is reduced, and the collecting pipe 41 is communicated with the inside of the collecting assembly 2, so that the pressure in the whole collecting assembly 2 is reduced, and the saliva extruded from the collecting sponge sleeve 23 can be promoted to enter the transmitting ring 22, the saliva in the collecting assembly 2 is increased, the transmitting assembly 4 is convenient to discharge, and the collecting assembly 2 and the transmitting assembly 4 are promoted mutually.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "lateral," "top," "bottom," "inner," "outer," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," etc. indicate or refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of describing the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, in the description of the invention, unless otherwise indicated, the meaning of "a plurality" is two or more. Features defining "first," "second," etc. may explicitly or implicitly include one or more such features.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. A saliva collection device, comprising: a bracket;
the collecting assembly is rotatably arranged on the bracket and is of a roller-shaped structure for collecting saliva; the collecting assembly comprises a supporting ring, a transfer ring and a collecting sponge sleeve, wherein the transfer ring is rotatably arranged on two sides of the supporting ring, and the collecting sponge sleeve is sleeved on the transfer ring; the transmission ring is provided with A through holes for saliva to enter in an array manner, and is rotatably arranged on the bracket;
the rotating assembly is used for driving the collecting assembly to rotate unidirectionally when contracting towards the inside of the bracket;
the compression assembly is used for extruding the surface of the acquisition assembly in the rotating and descending process; the transmission assembly is used for collecting saliva in the collection assembly and moves along with the shrinkage of the collection assembly towards the inside of the bracket; the transmission assembly comprises a collecting pipe fixedly arranged in a mounting hole on the supporting ring, an inner sleeve is arranged in the inner space of the bottom of the collecting pipe, a piston is arranged in the inner sleeve, and the piston is elastically and slidably arranged in the inner sleeve; the piston is used for sucking saliva in the collecting pipe into the piston in the downward sliding process, and discharging saliva in the inner sleeve into a collecting bottle in the upward sliding process of the piston, wherein the collecting bottle is used for collecting saliva discharged from the inner sleeve;
the compression assembly comprises a compression roller and an elastic telescopic rod, and two ends of the compression roller are rotatably arranged on the bracket through the elastic telescopic rod; the tight roller is arranged on the descending track of the acquisition assembly;
the rotating assembly comprises a one-way gear and a rack, the one-way gear is arranged on the transmission ring, the rack is fixedly arranged on the bracket, and the rack is arranged on the moving track of the one-way gear;
the bottom of the piston is fixedly provided with a contact resisting rod, and one side of the contact resisting rod passes through a first central hole on the collecting pipe and a second central hole on the rotating sleeve; the transfer assembly further comprises a guide pipe arranged right below the collecting pipe, a limiting rod is arranged in the guide pipe, and the limiting rod is arranged on the descending track of the contact resisting rod;
a rotating sleeve is elastically arranged at the bottom of the collecting pipe in a rotating way; the rotary sleeve is sleeved at the bottom of the collecting pipe, a plurality of first communication holes are circumferentially arranged on the side wall of the bottom of the inner sleeve in an array manner, an inner ring is arranged in the rotary sleeve, and a plurality of third communication holes matched with the first communication holes are arranged on the inner ring in an array manner; the bottom of the rotating sleeve is provided with a plurality of fourth communication holes in an array manner, the fourth communication holes are arranged on the inner side of the inner ring, the inner ring penetrates through the annular holes at the bottom of the collecting pipe, and the inner ring is attached to the inner wall of the inner sleeve; a second communication hole is circumferentially arranged at the bottom of the collecting pipe and is used for being communicated with a fourth communication hole in a matched mode; the second communication hole is communicated with the fourth communication hole in a matched mode.
2. A saliva collecting device according to claim 1, wherein the collecting members at both ends are rotatably mounted on support bars, respectively, which are resiliently mounted on the support frame.
3. A saliva collecting device according to claim 1, wherein a switching mechanism for driving the rotating sleeve to rotate is provided between the rotating sleeve and the guide tube.
4. A saliva collecting device according to claim 3, wherein the switching mechanism comprises a guide slideway arranged on the inner wall of the guide tube and a driving slide bar symmetrically arranged on both sides of the rotating sleeve; the guide slide way is used for driving the slide bar to slide into the driving rotating sleeve to rotate along with the descending process of the collecting pipe.
5. The saliva collecting device according to claim 4, wherein the guide slideway comprises a guide section, a suction section, a discharge section, a transition section and a one-way lock, wherein the guide section, the suction section, the discharge section, the transition section and the one-way lock are arranged on the inner wall of the guide pipe; the leading-in section is vertical to be set up, leading-in section bottom opening and suction section and discharge section intercommunication, suction section and discharge section keep away from leading-in section one end and pass through the changeover portion intercommunication, discharge section and leading-in section intercommunication department are provided with the one-way lock.
6. A saliva collecting device as claimed in claim 1, wherein the outer side of the rotating sleeve is resiliently rotatably mounted on the collecting tube by means of a third resilient member.
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| CN202111192149.0A CN114027884B (en) | 2021-10-13 | 2021-10-13 | Saliva collection system |
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| CN202111192149.0A CN114027884B (en) | 2021-10-13 | 2021-10-13 | Saliva collection system |
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| CN114027884B true CN114027884B (en) | 2023-10-20 |
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| CN114027884A (en) | 2022-02-11 |
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