CN113198556A - Overflow type liquid transferring device - Google Patents
Overflow type liquid transferring device Download PDFInfo
- Publication number
- CN113198556A CN113198556A CN202110549313.2A CN202110549313A CN113198556A CN 113198556 A CN113198556 A CN 113198556A CN 202110549313 A CN202110549313 A CN 202110549313A CN 113198556 A CN113198556 A CN 113198556A
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- sleeve
- ring body
- clamping
- pipette
- overflow
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/02—Burettes; Pipettes
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- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses an overflow type liquid transfer device, which comprises an overflow liquid storage mechanism; according to the liquid discharge device, the liquid flowing from the upper end of the pipette is enabled to flow out through the overflow holes on the outer sides of the peripheries of the outer sleeves and stored in the annular liquid storage cavity formed by the liquid storage ring body and the outer sleeves in an upward moving mode through the pipette, so that the liquid overflowing from the inner portion of the outer sleeve can be discharged, and a convenient liquid discharge function is achieved.
Description
Technical Field
The invention relates to an overflow type liquid-transfering device.
Background
At present, current blood sampling pipette is the common tool when medical departments such as hospital analyze blood, its structure generally includes the top gasbag, outside sleeve, the pipette, with top gasbag lower extreme installation outside sleeve, then install the pipette in outside sleeve, the lower extreme of pipette extends to outside telescopic lower extreme outside, the extrusion through the gasbag is loosened and is made liquid entering pipette in realize quantitative collection liquid, but the liquid-transfering device of this kind of structure, its pipette generally is fixed in outside telescopic inside below, can't stretch out and draw back the collection according to actual demand, in addition the lower extreme of pipette generally exposes in outside telescopic below, receive damage and pollution easily, the liquid that overflows from the pipette upper end generally can be stored in outside telescopic inside, make liquid can't discharge.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: an overflow type liquid transfer device is provided, which can discharge overflow liquid, can telescopically adjust a liquid transfer pipe and is internally provided with protection.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
an overflow type liquid transfer device comprises a top air bag, an external sleeve, a liquid transfer pipe, a rotary driving mechanism and an overflow liquid storage mechanism; the lower end of the top airbag is provided with an external sleeve; a pipette is arranged in the middle of the inner part of the outer sleeve; the pipette is clamped and mounted in the middle of the inner part of the outer sleeve in a sliding manner; the rotary driving mechanism comprises a positioning ring body, a driving internal thread ring, a floating external thread sleeve, a positioning block and an adjusting screw rod; the positioning ring body is arranged around the lower end face of the external sleeve; the upper end of the driving internal thread ring is rotatably clamped and installed around the lower end of the positioning ring body; the inner side of the driving internal thread ring is in threaded sleeve connection with a floating external thread sleeve; the lower end of the pipette is connected to the middle of the inside of the floating external thread sleeve in a penetrating manner; two positioning blocks are respectively and fixedly arranged on two sides of the lower end of the pipette; the positioning block is provided with a threaded through hole; the positioning blocks are respectively connected to two sides of the inner part of the floating external thread sleeve in a vertically sliding and clamping manner; the threaded through holes of the positioning blocks are respectively in threaded connection with an adjusting screw; the upper end of the adjusting screw rod is rotatably clamped on the inner wall of the upper end of the floating external thread sleeve, and the lower end of the adjusting screw rod penetrates through the lower end of the floating external thread sleeve and extends to the lower part of the floating external thread sleeve; the overflow liquid storage mechanism comprises a liquid storage ring body and a sealed telescopic ring body; a plurality of overflow holes are uniformly formed in the outer side of the periphery of the middle of the outer sleeve; a liquid storage ring body is arranged on the outer side of the periphery of the lower part of the external sleeve; the lower end of the liquid storage ring body is positioned below the overflow hole; the liquid storage ring body and the external sleeve enclose an annular liquid storage cavity; a sealing telescopic ring body is arranged in the outer sleeve; the peripheral inner side of the sealed telescopic ring body is connected to the peripheral outer side of the pipette, and the peripheral outer side of the sealed telescopic ring body is connected to the peripheral inner side of the external sleeve; the sealing telescopic ring body is positioned below the overflow hole.
Furthermore, clamping ring grooves are formed around the lower end of the positioning ring body; rotary clamping teeth are respectively arranged on two sides of the upper end of the driving internal thread ring; the driving internal thread ring is installed on the clamping ring grooves on the periphery of the lower end of the positioning ring body in a rotating clamping mode through the rotating clamping teeth on the two sides of the upper end.
Furthermore, two sliding clamping grooves are respectively arranged on two sides of the interior of the external sleeve; the two sides of the outer part of the pipette are respectively provided with a sliding clamping and connecting rod; the pipette is connected to the sliding clamping grooves on the two sides in the outer sleeve in a sliding and clamping mode through the sliding clamping and connecting rods on the two sides of the outer portion.
Furthermore, wear-resistant coatings are arranged in the sliding clamping grooves on the two sides of the interior of the external sleeve.
Furthermore, rotary clamping grooves are respectively formed in two sides of the inner wall of the upper end of the floating external thread sleeve; the upper end of the adjusting screw rod is provided with a clamping rotating tooth; the adjusting screw is rotationally clamped on the rotational clamping groove of the inner wall of the upper end of the floating external thread sleeve through the clamping rotational tooth at the upper end.
Furthermore, two sides of the inner part of the floating external thread sleeve are respectively provided with a rectangular clamping sliding chute; the positioning block is of a rectangular structure; the positioning block is slidably clamped on the rectangular clamping chutes on two sides of the inner part of the floating external thread sleeve.
The invention has the advantages of
According to the liquid discharge device, the liquid flowing from the upper end of the pipette is enabled to flow out through the overflow holes on the outer sides of the peripheries of the outer sleeves and stored in the annular liquid storage cavity formed by the liquid storage ring body and the outer sleeves in an upward moving mode through the pipette, so that the liquid overflowing from the inner portion of the outer sleeve can be discharged, and a convenient liquid discharge function is achieved.
The invention realizes double telescopic adjustment of the pipette, so that the telescopic amplitude of the pipette is larger, the telescopic length of the pipette can be adjusted according to different requirements, in addition, the lower end of the pipette can be arranged inside the floating external thread sleeve in a rotary driving mode, the protection is realized, the structural design is ingenious, and the operation is convenient.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged schematic structural view of the rotary drive mechanism of the present invention.
Fig. 3 is a schematic structural view of the pipette of fig. 2 according to the present invention, with the lower end of the pipette being disposed inside the floating external thread bushing.
Fig. 4 is an enlarged structural schematic diagram of the overflow liquid storage mechanism of the invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, an overflow type pipetting device comprises a top air bag 1, an outer sleeve 2, a pipette 3, a rotary driving mechanism 4, and an overflow liquid storing mechanism 5; the lower end of the top airbag 1 is provided with an external sleeve 2; a pipette 3 is arranged in the middle of the inner part of the outer sleeve 2; the pipette 3 is arranged in the middle of the inner part of the outer sleeve 2 in a sliding and clamping manner; the rotary driving mechanism 4 comprises a positioning ring body 41, a driving internal thread ring 42, a floating external thread sleeve 43, a positioning block 45 and an adjusting screw 44; the positioning ring body 41 is arranged around the lower end surface of the outer sleeve 2; the upper end of the driving internal thread ring 42 is rotatably clamped and installed around the lower end of the positioning ring body 41; the inner side of the driving internal thread ring 42 is in threaded sleeve connection with a floating external thread sleeve 43; the lower end of the pipette 3 is penetrated in the middle of the inner part of the floating external thread sleeve 43; two positioning blocks 45 are respectively and fixedly arranged on two sides of the lower end of the pipette 3; the positioning block 45 is provided with a thread through hole 451; the positioning blocks 45 are respectively connected to two sides of the inner part of the floating external thread sleeve 43 in a vertically sliding and clamping manner; an adjusting screw 44 is threaded through the threaded through holes 451 of the positioning blocks 45; the upper end of the adjusting screw 44 is rotatably clamped on the inner wall of the upper end of the floating external thread sleeve 43, and the lower end of the adjusting screw 44 passes through the lower end of the floating external thread sleeve 43 and extends to the lower part of the floating external thread sleeve 43; the overflow liquid storage mechanism 5 comprises a liquid storage ring body 52 and a sealed telescopic ring body 51; a plurality of overflow holes 22 are uniformly formed in the outer side of the periphery of the middle of the outer sleeve 2; a liquid storage ring body 52 is arranged on the outer side of the periphery of the lower part of the outer sleeve 2; the lower end of the liquid storage ring body 52 is positioned below the overflow hole 22; the liquid storage ring body 52 and the outer sleeve 2 enclose an annular liquid storage cavity 53; a sealing telescopic ring body 51 is arranged inside the outer sleeve 2; the inner side of the periphery of the sealing telescopic ring body 51 is connected with the outer side of the periphery of the pipette 3, and the outer side of the periphery of the sealing telescopic ring body 51 is connected with the inner side of the periphery of the outer sleeve 2; the sealing telescopic ring body 51 is positioned below the overflow hole 22.
As shown in fig. 1 to 4, it is further preferable that a snap ring groove 411 is formed around the lower end of the positioning ring body 41; two sides of the upper end of the driving internal thread ring 42 are respectively provided with a rotary clamping tooth 421; the driving internal thread ring 42 is rotatably clamped and mounted on the clamping ring groove 411 around the lower end of the positioning ring body 41 through the rotary clamping teeth 421 at two sides of the upper end. Further, two sides of the interior of the outer sleeve 2 are respectively provided with a sliding clamping groove 21; the two outer sides of the pipette 3 are respectively provided with a sliding clamping and connecting rod 31; the pipette 3 is slidably engaged with the slide engaging grooves 21 on both sides of the inner part of the outer sleeve 2 by the slide engaging rods 31 on both sides of the outer part. Furthermore, wear-resistant coatings are arranged in the sliding clamping grooves 21 on the two sides in the outer sleeve 2. Further, both sides of the inner wall of the upper end of the floating external thread sleeve 43 are respectively provided with a rotary clamping groove 431; the upper end of the adjusting screw 44 is provided with a clamping rotary tooth 441; the adjusting screw 44 is rotatably clamped in the rotary clamping groove 431 on the inner wall of the upper end of the floating external thread sleeve 43 through the clamping rotary tooth 441 at the upper end. Further, two sides of the inside of the floating external thread sleeve 43 are respectively provided with a rectangular clamping sliding groove 432; the positioning block 45 is of a rectangular structure; the positioning block 45 is slidably clamped on the rectangular clamping sliding grooves 432 on two sides inside the floating external thread sleeve 43.
According to the liquid discharging device, the liquid flowing from the upper end of the pipette 3 flows out outwards through the overflow holes 22 on the outer side of the periphery of the outer sleeve 2 by moving the pipette 3 upwards, and is stored in the annular liquid storage cavity 53 formed by the liquid storage ring body 52 and the outer sleeve 2 in a surrounding mode, so that the liquid overflowing from the inner portion of the outer sleeve 2 can be discharged, and a convenient liquid discharging function is achieved.
The invention drives the floating external thread sleeve 43 and the pipette 3 to move up and down together by rotating the driving internal thread ring 42, so as to realize the up-and-down movement of the pipette 3, and drives the positioning block 45 to float up and down in the floating external thread sleeve 43 by rotating the adjusting screw 44, so as to drive the pipette 3 to move up and down again, thereby achieving the double telescopic adjustment with larger amplitude; what is more important, in addition, the positioning block 45 is driven to float upwards in the floating external thread sleeve 43 by rotating the adjusting screw 44, so that the pipette 3 is driven to move upwards in the floating external thread sleeve 43, and then the lower end of the pipette 3 enters the floating external thread sleeve 43, and the built-in protection of the lower end of the pipette 3 is realized.
The invention realizes double telescopic adjustment of the pipette 3, so that the telescopic amplitude of the pipette 3 is larger, the telescopic length of the collection can be adjusted according to different requirements, in addition, the lower end of the pipette 3 can be arranged inside the floating external thread sleeve 43 in a rotary driving mode, the protection is realized, the structural design is ingenious, and the operation is convenient.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. An overflow type liquid transfer device is characterized by comprising a top air bag, an external sleeve, a liquid transfer pipe, a rotary driving mechanism and an overflow liquid storage mechanism; the lower end of the top airbag is provided with an external sleeve; a pipette is arranged in the middle of the inner part of the outer sleeve; the pipette is clamped and mounted in the middle of the inner part of the outer sleeve in a sliding manner; the rotary driving mechanism comprises a positioning ring body, a driving internal thread ring, a floating external thread sleeve, a positioning block and an adjusting screw rod; the positioning ring body is arranged around the lower end face of the external sleeve; the upper end of the driving internal thread ring is rotatably clamped and installed around the lower end of the positioning ring body; the inner side of the driving internal thread ring is in threaded sleeve connection with a floating external thread sleeve; the lower end of the pipette is connected to the middle of the inside of the floating external thread sleeve in a penetrating manner; two positioning blocks are respectively and fixedly arranged on two sides of the lower end of the pipette; the positioning block is provided with a threaded through hole; the positioning blocks are respectively connected to two sides of the inner part of the floating external thread sleeve in a vertically sliding and clamping manner; the threaded through holes of the positioning blocks are respectively in threaded connection with an adjusting screw; the upper end of the adjusting screw rod is rotatably clamped on the inner wall of the upper end of the floating external thread sleeve, and the lower end of the adjusting screw rod penetrates through the lower end of the floating external thread sleeve and extends to the lower part of the floating external thread sleeve; the overflow liquid storage mechanism comprises a liquid storage ring body and a sealed telescopic ring body; a plurality of overflow holes are uniformly formed in the outer side of the periphery of the middle of the outer sleeve; a liquid storage ring body is arranged on the outer side of the periphery of the lower part of the external sleeve; the lower end of the liquid storage ring body is positioned below the overflow hole; the liquid storage ring body and the external sleeve enclose an annular liquid storage cavity; a sealing telescopic ring body is arranged in the outer sleeve; the peripheral inner side of the sealed telescopic ring body is connected to the peripheral outer side of the pipette, and the peripheral outer side of the sealed telescopic ring body is connected to the peripheral inner side of the external sleeve; the sealing telescopic ring body is positioned below the overflow hole.
2. An overflow type liquid transfer device according to claim 1, wherein a snap ring groove is formed around the lower end of the positioning ring body; rotary clamping teeth are respectively arranged on two sides of the upper end of the driving internal thread ring; the driving internal thread ring is installed on the clamping ring grooves on the periphery of the lower end of the positioning ring body in a rotating clamping mode through the rotating clamping teeth on the two sides of the upper end.
3. An overflow pipetting device as recited in claim 1 wherein the outer sleeve has slide slots on each side of its interior; the two sides of the outer part of the pipette are respectively provided with a sliding clamping and connecting rod; the pipette is connected to the sliding clamping grooves on the two sides in the outer sleeve in a sliding and clamping mode through the sliding clamping and connecting rods on the two sides of the outer portion.
4. An overflow pipetting device as recited in claim 3 wherein the slide detents on either side of the interior of the outer sleeve are provided with a wear resistant coating.
5. An overflow type liquid-transfering device according to claim 1, characterized in that, the two sides of the upper end inner wall of the floating external thread sleeve are respectively provided with a rotary clamping groove; the upper end of the adjusting screw rod is provided with a clamping rotating tooth; the adjusting screw is rotationally clamped on the rotational clamping groove of the inner wall of the upper end of the floating external thread sleeve through the clamping rotational tooth at the upper end.
6. An overflow type liquid-transfering device according to claim 1, wherein the floating external thread sleeve is provided with rectangular clamping chutes on both sides of the interior; the positioning block is of a rectangular structure; the positioning block is slidably clamped on the rectangular clamping chutes on two sides of the inner part of the floating external thread sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110549313.2A CN113198556A (en) | 2021-05-20 | 2021-05-20 | Overflow type liquid transferring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110549313.2A CN113198556A (en) | 2021-05-20 | 2021-05-20 | Overflow type liquid transferring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113198556A true CN113198556A (en) | 2021-08-03 |
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ID=77032054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110549313.2A Pending CN113198556A (en) | 2021-05-20 | 2021-05-20 | Overflow type liquid transferring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113198556A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570448A (en) * | 2022-03-24 | 2022-06-03 | 江苏科华医疗器械科技有限公司 | Separation butt liquid-transfering type liquid-collecting device |
| CN114632565A (en) * | 2022-03-24 | 2022-06-17 | 江苏科华医疗器械科技有限公司 | Openable drainage type liquid collecting device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208288046U (en) * | 2018-04-25 | 2018-12-28 | 洛阳师范学院 | A kind of ear washing bulb |
| CN110575184A (en) * | 2019-09-24 | 2019-12-17 | 江苏科华医疗器械科技有限公司 | Stepless regulation type range blood sampling device |
| CN111562142A (en) * | 2020-05-25 | 2020-08-21 | 江苏科华医疗器械科技有限公司 | Rotation regulation formula micro-blood collection tube |
| CN111579300A (en) * | 2020-05-25 | 2020-08-25 | 江苏科华医疗器械科技有限公司 | Micro blood collection tube |
-
2021
- 2021-05-20 CN CN202110549313.2A patent/CN113198556A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208288046U (en) * | 2018-04-25 | 2018-12-28 | 洛阳师范学院 | A kind of ear washing bulb |
| CN110575184A (en) * | 2019-09-24 | 2019-12-17 | 江苏科华医疗器械科技有限公司 | Stepless regulation type range blood sampling device |
| CN111562142A (en) * | 2020-05-25 | 2020-08-21 | 江苏科华医疗器械科技有限公司 | Rotation regulation formula micro-blood collection tube |
| CN111579300A (en) * | 2020-05-25 | 2020-08-25 | 江苏科华医疗器械科技有限公司 | Micro blood collection tube |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570448A (en) * | 2022-03-24 | 2022-06-03 | 江苏科华医疗器械科技有限公司 | Separation butt liquid-transfering type liquid-collecting device |
| CN114632565A (en) * | 2022-03-24 | 2022-06-17 | 江苏科华医疗器械科技有限公司 | Openable drainage type liquid collecting device |
| CN114570448B (en) * | 2022-03-24 | 2023-06-06 | 江苏科华医疗器械科技有限公司 | Separation butt pipetting formula liquid sampling device |
| CN114632565B (en) * | 2022-03-24 | 2023-09-29 | 江苏科华医疗器械科技有限公司 | Openable liquid drainage type liquid sampling device |
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Application publication date: 20210803 |