CN111665075A - But reuse's gear connection formula sampling rod - Google Patents
But reuse's gear connection formula sampling rod Download PDFInfo
- Publication number
- CN111665075A CN111665075A CN202010580519.7A CN202010580519A CN111665075A CN 111665075 A CN111665075 A CN 111665075A CN 202010580519 A CN202010580519 A CN 202010580519A CN 111665075 A CN111665075 A CN 111665075A
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- sampling
- rack
- protrusion
- sampling head
- reusable
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a reusable gear connection type sampling rod which comprises a shell, a rack, a first positioning structure, a sampling head, a cover plate and a second positioning structure, wherein the rack is connected in the shell in a sliding mode, the first positioning structure comprises a first protrusion and a first concave portion, the sampling head is detachably and rotatably connected to the shell, the sampling head is provided with a gear used for meshing with the rack, the cover plate is detachably connected with the shell, the cover plate is used for packaging one end of the sampling head in the shell, the second positioning structure comprises a second protrusion and a second concave portion, and the sampling head is at a preset initial rotation angle when the second protrusion is connected with the second concave portion. The sampling rod can be repeatedly used, the initial position of the sampling head can be determined, and the sampling rod can be quickly installed.
Description
Technical Field
The invention relates to medical equipment, in particular to a gear connection type sampling rod capable of being recycled.
Background
During test or detection, the sampling rod can be directly broken off after sampling in the corresponding production environment, and is stored in the corresponding small bottle without being contacted by hands. The sampling wand makes the inspection work simpler and more efficient and avoids the opportunity for cross-contamination in the traditional manner.
The existing sampling rod is disposable, generally has a fracture notch, cannot be reused, is easy to automatically fracture in the sampling or transportation process, wastes the sampling rod, and often needs to sample for many times in the testing process, thus generating great waste for the use of the sampling rod; in order to facilitate the installation of the sampling head, the initial position of the sampling head needs to be determined quickly during the installation.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a reusable gear connection type sampling rod, which can be reused, can determine the initial position of a sampling head and can be quickly replaced.
The reusable gear connection type sampling rod comprises a shell, a rack, a first positioning structure, a sampling head, a cover plate and a second positioning structure, wherein the rack is connected in the shell in a sliding mode, the first positioning structure comprises a first protrusion and a first concave part, one of the first protrusion and the first concave part is arranged on the shell, the other one of the first protrusion and the first concave part is arranged on the rack, the rack is at a preset starting position when the first protrusion and the first concave part are connected, the sampling head is detachably and rotatably connected onto the shell, the sampling head is provided with a gear used for meshing the rack, the rack is used for driving the sampling head to swing, the cover plate is detachably connected with the shell, the cover plate is used for packaging one end of the sampling head in the shell, and the second positioning structure comprises a second protrusion and a second concave part, one of the second protrusion and the second recess is disposed on the housing, and the other is disposed on the sampling head, and the sampling head is at a predetermined initial rotation angle when the second protrusion and the second recess are connected.
The gear connection type sampling rod capable of being recycled according to the embodiment of the invention at least has the following beneficial effects: the sampling head can be replaced, the sampling rod can be reused, and the cost is saved; the initial position of the sampling head can be positioned when the sampling head is replaced, so that the replacement efficiency is improved; the gear meshing mode is utilized to separate the sampling head from the sampling rod without contacting the sampling head, so that the cross infection is reduced, and the strength of the sampling head is increased.
According to some embodiments of the invention, the mounting block is provided with a guiding and inserting fillet, and the guiding and inserting fillet is used for facilitating the mounting of the cover plate. The matching difficulty of the shell and the cover plate is reduced.
According to some embodiments of the invention, the cover plate is provided with a mounting groove, and the housing is provided with a mounting block, wherein the mounting groove can be matched and connected with the mounting block.
According to some embodiments of the invention, the first protrusion is an elastic detent and the first recess is a detent groove.
According to some embodiments of the invention, the first protrusion is a locating block and the first recess is a locating notch.
According to some embodiments of the invention, the housing is provided with a steering groove and an output groove communicated with the steering groove, the sampling head is provided with a steering block coaxial with the gear, the steering block is mounted in the steering groove of the housing, and the rack can drive the steering block to rotate so that the steering block is steered to correspond to the output groove. Due to the meshing relationship between the gear and the rack, the gear and the rack move relatively, and the gear is fixed when the rack is fixed. When the sampling head needs to be separated, the rack can drive the steering block to rotate, so that the steering block is steered to correspond to the output groove, and the sampling head can slide out of the rack under the action of gravity.
According to some embodiments of the invention, the sampling heads are provided in two, and the gears on both sampling heads are engaged with the rack. Two samples are collected simultaneously, and the sampling speed is improved.
According to some embodiments of the invention, the rack is mounted with an operating handle. The external handle is convenient to control the rack.
According to some embodiments of the invention, further comprising a fixed pin, the fixed pin being insertable through the housing and the side wall of the rack. The rack is fixed well in the transportation sampling head or the sampling process, so that errors caused by experiments due to the sliding of the rack are prevented.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of a front side of a sampling rod according to an embodiment of the present invention;
FIG. 2 is an exploded view of the sampling wand shown in FIG. 1;
FIG. 3 is a schematic view of the reverse structure of the sampling wand shown in FIG. 1;
FIG. 4 is a schematic cross-sectional view of the sampling wand shown in FIG. 1;
fig. 5 is a schematic structural view of the sampling head shown in fig. 1.
The device comprises a shell 100, a steering groove 110, an output groove 120, a mounting block 130, a fixing pin 140 and a guide insertion fillet 150;
a rack 200, an operating handle 210;
a sampling head 300, a gear 310 and a steering block 320;
the positioning device comprises a first positioning structure 400, an elastic clamping piece 410, a clamping groove 420 and a positioning groove opening 430;
a cover plate 600 and a mounting groove 610;
a second positioning structure 500, a second protrusion 510, and a second recess 520.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the positional descriptions, such as the directions of up, down, front, rear, etc., referred to herein are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular direction, and thus should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1, a reusable geared sampling rod according to an embodiment of the first aspect of the present invention includes a housing 100, a rack 200, a first positioning structure 400, a sampling head 300, a cover plate 600, and a second positioning structure 500, the rack 200 is slidably coupled in the housing 100, the first positioning structure 400 includes a first protrusion and a first recess, one of the first protrusion and the first recess is disposed on the housing 100, the other is disposed on the rack 200, the rack 200 is at a predetermined starting position when the first protrusion and the first recess are coupled, the sampling head 300 is detachably and rotatably coupled to the housing 100, the sampling head 300 is provided with a gear 310 for engaging the rack 200, the rack 200 is used for driving the sampling head 300 to swing, the cover plate 600 is detachably coupled to the housing 100, the cover plate 600 is used for enclosing one end of the sampling head 300 in the housing 100, the second positioning structure 500 includes a second protrusion 510 and a second recess 520, one of the second protrusion 510 and the second recess 520 is disposed on the housing 100, and the other is disposed on the sampling head 300, and the sampling head 300 is at a predetermined initial rotation angle when the second protrusion 510 and the second recess 520 are coupled.
The gear connection type sampling rod capable of being recycled according to the embodiment of the invention at least has the following beneficial effects: the sampling head, the sampling rod and the sampling rod can be replaced, the sampling rod is recycled, and the cost is saved; when the sampling rod of the sampling head sampling rod is replaced, the initial position of the sampling rod of the sampling head sampling rod can be positioned, so that the replacement efficiency is improved; utilize the meshing mode of gear sampling stick separation sampling head sampling stick to separate sampling head sampling stick and need not contact sampling head sampling stick, reduce cross infection, increase the intensity of sampling head sampling stick.
Referring to fig. 2, in some embodiments of the present invention, the mounting block 130 is provided with a lead fillet 150, and the lead fillet 150 is used to facilitate the installation of the cover plate 600. The difficulty of matching the housing 100 and the cover plate 600 is reduced.
Referring to fig. 1 to 4, in some embodiments of the present invention, a mounting groove 610 is formed on the cover plate 600, and a mounting block 130 is formed on the housing 100, wherein the mounting groove 610 is fittingly connected to the mounting block 130. Generally, a plurality of installation blocks 130 and installation grooves 610 are provided to be matched with each other and are respectively provided at both ends of the cover plate 600, an inclined plane and a matching plane are provided on the installation blocks 130, the installation grooves 610 of the cover plate 600 slide over the inclined plane and are matched with the assembling plane during installation, and the edges of the installation grooves 610 of the cover plate 600 are slightly pried when the cover plate 600 is separated.
Referring to fig. 1 to 4, in some embodiments of the present invention, the first protrusion is an elastic detent 410, and the first recess is a detent groove 420. The end face of the elastic clamping piece 410 and the concave face of the clamping groove 420 are cambered surfaces which are matched with each other, when the clamping groove 420 and the elastic clamping piece 410 are not overlapped, the elastic clamping piece 410 is compressed, the end face of the elastic clamping piece is abutted against the outer wall of the rack 200, and the movement of the rack 200 is not influenced; when the position-locking groove 420 coincides with the elastic position-locking element 410, the elastic position-locking element 410 is engaged with the position-locking groove 420 due to the elastic force of the spring, so that the rack 200 cannot move, and the two position-locking grooves 420 are disposed on the rack 200 and respectively correspond to the starting position and the ending position of the rack 200.
Referring to fig. 1 to 4, in some embodiments of the present invention, the first protrusion is a positioning block, and the first recess is a positioning notch 430. The positioning block is a protruding structure arranged on the housing 100 or the rack 200, the positioning block can move relatively in the positioning notch 430, the rack 200 is moved, and when the positioning block abuts against the lower wall of the slotted hole, the rack 200 is located at the starting position; when the positioning block abuts against the upper wall of the slot, the rack 200 is located at the end point.
Referring to fig. 1 to 5, in some embodiments of the present invention, the housing 100 is provided with a steering groove 110 and an output groove 120 communicating with the steering groove 110, the sampling head 300 is provided with a steering block 320 coaxial with the gear 310, the steering block 320 is installed in the steering groove 110 of the housing 100, and the rack 200 can drive the steering block 320 to rotate, so that the steering block 320 is steered to the corresponding output groove 120. Due to the meshing relationship of gear 310 and rack 200, gear 310 and rack 200 move relatively, and gear 310 does not move when rack 200 does not move. When the sampling head 300 needs to be separated, the rack 200 can drive the steering block 320 to rotate, so that the steering block 320 is steered to the corresponding output groove 120, and the sampling head 300 can slide out of the rack 200 due to the action of gravity.
Referring to fig. 1 to 5, in some embodiments of the present invention, two sampling heads 300 are provided, and the gears 310 on both sampling heads 300 are engaged with the rack 200. Two samples are collected simultaneously, and the sampling speed is improved.
Referring to fig. 1-4, in some embodiments of the present invention, rack 200 has an operating handle 210 mounted thereon. The external handle facilitates control of the rack 200.
Referring to fig. 1 to 4, in some embodiments of the present invention, a fixing pin 140 is further included, and the fixing pin 140 may penetrate sidewalls of the housing 100 and the rack 200. The rack 200 is fixed during transportation of the sampling head 300 or sampling, so that errors caused by experiments due to sliding of the rack 200 are prevented.
Referring to fig. 1 to 5, the working principle of the sampling rod is as follows:
replacing the sampling head 300, moving the rack 200 to a start position through the first positioning structure 400, fixing the rack 200 by using the fixing pin 140, disassembling the cover plate 600, then putting the sampling head 300, and installing the steering block 320 into the steering groove 110, wherein the rack 200 is fixed and the teeth on the two sides are symmetrical, so that the installation angles of the two sampling heads 300 can be ensured during installation, and finally, the replacement can be completed by reinstalling the cover plate 600;
after the sampling is completed, the rack 200 is moved to the end position through the first positioning structure 400, the gear 310 on the sampling head 300 rotates in the steering groove 110 by a certain angle, so that the steering block 320 just passes through the output groove 120, the sampling head 300 is placed in a test tube, the sampling head 300 is moved to enable the sampling head 300 to be vertical, the sampling head 300 leaves a sampling rod through the action of gravity, the sampling head 300 at the other end cannot rotate due to the meshing relationship with the rack 200, the steps are repeated, the sampling head 300 can be placed in a reagent bottle, and the other sampling head 300 does not need to be contacted with the other sampling head 300 in the period.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (9)
1. A reusable geared sampling wand comprising:
a housing;
a rack slidably coupled within the housing;
the first positioning structure comprises a first protrusion and a first concave part, one of the first protrusion and the first concave part is arranged on the shell, the other one of the first protrusion and the first concave part is arranged on the rack, and the rack is at a preset starting position when the first protrusion is connected with the first concave part;
the sampling head is detachably and rotatably connected to the shell, a gear used for meshing the rack is arranged on the sampling head, and the rack is used for driving the sampling head to swing;
the cover plate is detachably connected with the shell and is used for packaging one end of the sampling head in the shell;
and the second positioning structure comprises a second protrusion and a second concave part, one of the second protrusion and the second concave part is arranged on the shell, the other one of the second protrusion and the second concave part is arranged on the sampling head, and the sampling head is at a preset initial rotation angle when the second protrusion is connected with the second concave part.
2. The reusable geared sampling wand of claim 1, wherein the housing is provided with a lead fillet for facilitating the cover plate installation.
3. The reusable geared sampling wand of claim 1, wherein the cover plate has a mounting groove and the housing has a mounting block, the mounting groove being cooperatively engageable with the mounting block.
4. The reusable geared sampling wand of claim 1, wherein the first protrusion is a resilient detent and the first recess is a detent groove.
5. The reusable geared sampling wand of claim 1, wherein the first protrusion is a locating block and the first recess is a locating notch.
6. The reusable gear-connected sampling rod according to claim 1, wherein the housing is provided with a steering groove and an output groove communicated with the steering groove, the sampling head is provided with a steering block coaxial with the gear, the steering block is mounted in the steering groove of the housing, and the rack can drive the steering block to rotate so that the steering block is steered to correspond to the output groove.
7. The reusable geared sampling wand of claim 1, wherein there are two sampling heads, the gears on both sampling heads engaging the rack.
8. The reusable geared sampling wand of claim 1, wherein an operating handle is mounted to an upper end of the rack.
9. The reusable geared sampling wand of claim 1, further comprising a retaining pin that can be threaded through the housing and a side wall of the rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010580519.7A CN111665075B (en) | 2020-06-23 | 2020-06-23 | But reuse's gear connection formula sampling rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010580519.7A CN111665075B (en) | 2020-06-23 | 2020-06-23 | But reuse's gear connection formula sampling rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111665075A true CN111665075A (en) | 2020-09-15 |
| CN111665075B CN111665075B (en) | 2022-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010580519.7A Active CN111665075B (en) | 2020-06-23 | 2020-06-23 | But reuse's gear connection formula sampling rod |
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| Country | Link |
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| CN (1) | CN111665075B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112220499A (en) * | 2020-10-30 | 2021-01-15 | 珠海市人民医院 | Sampling rod in limiting connection |
| CN112370082A (en) * | 2020-10-23 | 2021-02-19 | 珠海市人民医院 | Make things convenient for sampling device of dismouting |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3977479A (en) * | 1971-01-15 | 1976-08-31 | Airsamplex Corporation | Geological exploration method and apparatus |
| DE202006011625U1 (en) * | 2006-07-29 | 2006-09-28 | Bürkle, Veit | One-way zone sample collector, used in testing and evaluating characteristics of a sample, has sample chamber and sleeve tube formed with corresponding recess and projection to control opening and closing of opening of sample chamber |
| CN107884228A (en) * | 2017-11-07 | 2018-04-06 | 叶建望 | A kind of medical continuous sampling system |
| CN110615187A (en) * | 2019-07-11 | 2019-12-27 | 珠海市人民医院 | Emergent play medicine ware convenient to carry |
| CN110638485A (en) * | 2019-09-30 | 2020-01-03 | 潍坊医学院附属医院 | Protective pathogen sample collection device for infectious department |
| CN210130877U (en) * | 2019-04-23 | 2020-03-10 | 郑州铁路职业技术学院 | Sampling device for oral mucosa |
-
2020
- 2020-06-23 CN CN202010580519.7A patent/CN111665075B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3977479A (en) * | 1971-01-15 | 1976-08-31 | Airsamplex Corporation | Geological exploration method and apparatus |
| DE202006011625U1 (en) * | 2006-07-29 | 2006-09-28 | Bürkle, Veit | One-way zone sample collector, used in testing and evaluating characteristics of a sample, has sample chamber and sleeve tube formed with corresponding recess and projection to control opening and closing of opening of sample chamber |
| CN107884228A (en) * | 2017-11-07 | 2018-04-06 | 叶建望 | A kind of medical continuous sampling system |
| CN210130877U (en) * | 2019-04-23 | 2020-03-10 | 郑州铁路职业技术学院 | Sampling device for oral mucosa |
| CN110615187A (en) * | 2019-07-11 | 2019-12-27 | 珠海市人民医院 | Emergent play medicine ware convenient to carry |
| CN110638485A (en) * | 2019-09-30 | 2020-01-03 | 潍坊医学院附属医院 | Protective pathogen sample collection device for infectious department |
Non-Patent Citations (3)
| Title |
|---|
| DIEGO CARREIRA等: "Artificial substrates as sampling devices for marine epibenthic fauna: A quest for standardization", 《REGIONAL STUDIES IN MARINE SCIENCE》 * |
| 吴林地等: "一种手动齿轮齿条移动装置研制", 《内燃机与配件》 * |
| 肖树文等: "一次性无菌采样器的研制", 《实用医药杂志》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112370082A (en) * | 2020-10-23 | 2021-02-19 | 珠海市人民医院 | Make things convenient for sampling device of dismouting |
| CN112370082B (en) * | 2020-10-23 | 2022-12-09 | 珠海市人民医院 | Make things convenient for sampling device of dismouting |
| CN112220499A (en) * | 2020-10-30 | 2021-01-15 | 珠海市人民医院 | Sampling rod in limiting connection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111665075B (en) | 2022-12-09 |
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