CN219224821U - Strip withdrawal device for biological detector - Google Patents

Strip withdrawal device for biological detector Download PDF

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Publication number
CN219224821U
CN219224821U CN202221054991.8U CN202221054991U CN219224821U CN 219224821 U CN219224821 U CN 219224821U CN 202221054991 U CN202221054991 U CN 202221054991U CN 219224821 U CN219224821 U CN 219224821U
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China
Prior art keywords
test strip
pushing
strip
connecting plate
assembly
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Active
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CN202221054991.8U
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Chinese (zh)
Inventor
童和平
张晨
尹维瑞
魏贺
赵帅
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Jiangsu Yuekai Biotechnology Co ltd
Jiangsu Yuyue Kailite Biotechnology Co ltd
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Jiangsu Yuekai Biotechnology Co ltd
Jiangsu Yuyue Kailite Biotechnology Co ltd
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Application filed by Jiangsu Yuekai Biotechnology Co ltd, Jiangsu Yuyue Kailite Biotechnology Co ltd filed Critical Jiangsu Yuekai Biotechnology Co ltd
Priority to CN202221054991.8U priority Critical patent/CN219224821U/en
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Publication of CN219224821U publication Critical patent/CN219224821U/en
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Abstract

A strip withdrawal device for a biological detector comprises a strip fixing component, a PCB and a strip pushing component; the test strip fixing assemblies are at least two and are fixedly arranged on the PCB; the test strip fixing assembly is internally provided with a detection cavity, the front end of the test strip is inserted into the detection cavity for positioning, and the lower part of the detection cavity is provided with at least one first through hole; the first through hole has a length corresponding to the pushing-out travel of the test strip; the test strip pushing-out assembly comprises a connecting plate, wherein one end of the connecting plate is provided with a pushing key, and the connecting plate and the pushing key are integrally formed; the other end of the connecting plate is provided with a test strip pushing structure, the test strip pushing structure comprises at least one test strip pushing block, and the test strip pushing block comprises at least one vertically arranged protruding part; the device in the scheme reduces the parts of the test strip pushing assembly, simplifies the assembly process, reduces the assembly difficulty and greatly improves the production efficiency.

Description

Strip withdrawal device for biological detector
Technical Field
The utility model relates to the technical field of biochemical detection, in particular to a strip withdrawal device for a biological detector.
Background
With the progress of society, the living standard of people is increasingly improved, and more people are focusing on biochemical indexes capable of reflecting physical health conditions, such as blood sugar value, uric acid value, total cholesterol value, hemoglobin value and the like. The biochemical detector is used for detecting the biochemical indexes and mainly comprises a test strip withdrawal device and a detection device, wherein a test strip carrying a blood sample is inserted into the test strip withdrawal device, a biological enzyme is coated in the test strip, the biological enzyme can react with a certain specific substance in the blood sample, then the current generated in the reaction process is measured through the detection device, and finally the numerical value of the corresponding biochemical index in the blood sample is output, so that the health condition of the body is obtained.
The test strip withdrawal device comprises a test strip fixing assembly and a test strip pushing assembly for pushing out the detected test strip, wherein the test strip fixing assembly comprises a socket for inserting the test strip and a detection cavity for detecting the test strip, and the test strip pushing assembly further comprises a test strip pushing block. However, the strip withdrawal device which is relatively commonly used in the current market only comprises a strip fixing component and a strip pushing block, namely, only one strip can be inserted each time, the next strip can be detected after the current strip withdraws, and when a detection sample (strip) is more, the fixed strip withdrawal device has low working efficiency, so that the time consumption of medical care work is in the link especially in the hospital treatment working environment.
Therefore, a small number of test strip withdrawal devices with a plurality of test strip fixing assemblies and a plurality of test strip pushing blocks gradually appear in the market, and a plurality of test strips can be detected at the same time.
However, in long-term use, it is found that in order to push out a plurality of test strips simultaneously, the existing test strip push-out assembly is quite complex in system design and generally comprises a plurality of parts, so that the assembly difficulty is high, the cost is high, the assembly is not suitable for mass production, and when the number of test strip push-out blocks is changed each time, the test strip withdrawal device needs to be redesigned, and the research and development cost is greatly increased.
Therefore, how to solve the above-mentioned drawbacks of the prior art is a subject to be studied and solved by the present utility model.
Disclosure of Invention
The utility model aims to provide a strip withdrawal device for a biological detector.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a strip withdrawal device for a biological detector comprises a strip fixing component, a PCB and a strip pushing component; at least two test strip fixing assemblies are arranged and fixedly arranged on the PCB;
the test strip fixing assembly is provided with a socket for inserting a test strip, and the width of the socket corresponds to the width of the test strip;
the front end of the test strip is inserted into the detection cavity for positioning, and the lower part of the detection cavity is provided with at least one first through hole;
the first through hole is provided with a length, the length direction corresponds to the insertion or withdrawal direction of the test strip, and the length corresponds to the withdrawal stroke of the test strip; when the number of the first through holes is two or more, the first through holes are arranged at intervals along the width direction of the test strip;
the test strip pushing-out assembly comprises a connecting plate, one end of the connecting plate is provided with a pushing key, and the connecting plate and the pushing key are integrally formed;
the other end of the connecting plate is provided with a test strip pushing structure, the test strip pushing structure comprises at least one test strip pushing block, the test strip pushing block comprises at least one vertically arranged protruding part, and the number of the protruding parts is smaller than or equal to that of the first through holes;
one end of the protruding part extends into the detection cavity and is arranged corresponding to the front end of the test strip, and the test strip is pushed when the test strip exits.
The relevant content explanation in the technical scheme is as follows:
1. in the scheme, the connecting plate and the push key are designed into an integral shape, so that the structure is simple, parts are fewer, the installation is more convenient, and the time and the labor are saved.
2. In the scheme, the pushing key is forced to displace in the front-back direction, so that the bulge in the test strip pushing structure is driven to displace in the front-back direction.
3. In the scheme, the test strip pushing structure and the connecting plate are integrally formed, so that the structure is simplified, the parts are minimized, and the assembly is simplified.
4. In the above scheme, the test strip pushing structure is detachably arranged on the connecting plate, and the detachable test strip pushing structure can be replaced according to actual conditions.
5. In the above scheme, the connecting plate with the test strip ejecting structure is through the width direction sliding fit of spout slide rail at the test strip, can adapt different test strip fixed component wantonly like this to reach and detect different grade type test strip.
6. In the above-mentioned scheme, the test strip ejecting structure still includes the buckle of a vertical setting, the one end of this buckle in upper and lower direction lock in on the PCB board to with PCB board at test strip insertion, exit direction sliding fit, can link to each other test strip ejecting structure and PCB board in advance in the assembly process on the one hand, avoided because of the test strip ejecting structure is less, the condition of difficult searching that drops easily in the assembly process, on the other hand is not interfering the bellying back-and-forth movement's condition, realizes buckle and bellying synchronous movement through the spout slide rail, and then prescribes a limit to the travel of bellying, makes its travel more accurate.
7. In the scheme, the test strip fixing device further comprises at least two elastic pieces, one end of each elastic piece is fixed relative to the test strip fixing assembly, the other end of each elastic piece is provided with a bending part, and the bending parts keep a trend of moving towards the lower part of the test strip fixing assembly by means of elastic force of the elastic pieces, so that the inserted test strip is pressed and positioned on the lower part; each elastic piece is arranged at intervals along the width direction of the test strip, and when the test strip is withdrawn, the protruding parts pass through gaps among the elastic pieces to form protruding parts which can at least push the test strip to release the compaction and positioning of the elastic pieces; the elastic sheet and the electrode at the front end of the test strip form a detection loop; the elastic sheet also plays a limiting role on the test strip, and the pressure is more uniform due to the plurality of elastic sheets, so that the test strip is ensured to be stably pressed and the damage to the test strip caused by the too concentrated pressure is avoided.
8. In the above scheme, the test strip fixing component is fixedly arranged on the upper surface of the PCB, and the test strip pushing-out structure is arranged below the PCB; a second through hole is formed in the PCB corresponding to the detection cavity of the test strip fixing assembly, the second through hole has a length, the length direction corresponds to the insertion or withdrawal direction of the test strip, and the length corresponds to the withdrawal stroke of the test strip; the protruding part of the test strip pushing block sequentially passes through the second through hole and the first through hole from bottom to top and stretches into the detection cavity; the insertion or withdrawal direction of the test strip, i.e., the front-to-back direction; the second through hole is provided with a length, so that the formed protruding part can move in the second through hole, and at least the test strip is pushed to release the compression and positioning of the shrapnel.
9. In the above scheme, the upper part of the detection cavity is open; the test strip pushing structure is arranged above the test strip fixing assembly, and the protruding part of the test strip pushing block extends into the detection cavity from top to bottom.
10. In the above scheme, the device further comprises a resetting piece, wherein the resetting piece acts between the shell of the test strip withdrawing device and the test strip pushing assembly, so that the test strip pushing assembly keeps a retreating trend, and further the test strip pushing block is driven to keep a movement trend opposite to the direction of pushing the test strip; the reset piece can be a spring or a tension spring; through the arrangement of the reset piece, the protruding part of the test strip pushing block can keep the forward movement trend, and the condition that the test strip is pushed out by the protruding part under the condition of incomplete detection is avoided.
11. In the scheme, the protruding parts of the test strip pushing block are in one-to-one correspondence with the first through holes, so that the test strip is uniformly stressed and pushing action is smoother when the protruding parts push out the test strip.
The working principle of the utility model is as follows:
a strip withdrawal device for a biological detector comprises a strip fixing component, a PCB and a strip pushing component; the test strip fixing assemblies are at least two and are fixedly arranged on the PCB; the test strip fixing assembly is provided with a socket for inserting a test strip, and the width of the socket corresponds to the width of the test strip;
the test strip fixing assembly is internally provided with a detection cavity, the front end of the test strip is inserted into the detection cavity for positioning, and the lower part of the detection cavity is provided with at least one first through hole; the first through hole has a length, the length direction corresponds to the insertion or withdrawal direction of the test strip, and the length corresponds to the withdrawal stroke of the test strip; when the number of the first through holes is two or more, the first through holes are arranged at intervals along the width direction of the test strip;
the test strip pushing-out assembly comprises a connecting plate, wherein one end of the connecting plate is provided with a pushing key, and the connecting plate and the pushing key are integrally formed; the other end of the connecting plate is provided with a test strip pushing structure, the test strip pushing structure comprises at least one test strip pushing block, the test strip pushing block comprises at least one vertically arranged protruding part, and the number of the protruding parts is smaller than or equal to that of the first through holes; one end of the protruding part extends into the detection cavity and is arranged corresponding to the front end of the test strip, and the test strip is pushed when the test strip exits.
Due to the application of the scheme, compared with the prior art, the utility model has the following advantages:
1. the parts of the test strip pushing assembly are reduced, the assembly process is simplified, the assembly difficulty is reduced, the test strip pushing assembly is suitable for mass production, and the production efficiency is greatly improved.
2. The test strip pushing structure is detachably arranged on the connecting plate, so that the test strip pushing structure with different test strip pushing block numbers can be replaced according to actual conditions, the redesign of the system is avoided, the detection of test strips of different types can be achieved, and the application range is wider.
Drawings
FIG. 1 is an exploded view of a test strip ejecting device with a test strip ejecting assembly disposed below a PCB, wherein the test strip ejecting structure, a connecting block and a push key are integrally formed;
FIG. 2 is an exploded view of a test strip ejecting device with a test strip ejecting structure and a connecting block assembled through a chute and a slide rail;
FIG. 3 is a perspective view of a test strip retention assembly according to an embodiment of the present utility model;
FIG. 4 is a schematic cross-sectional view of a test strip holder assembly according to an embodiment of the present utility model;
FIG. 5 is a schematic cross-sectional view of a strip withdrawal device for a strip prior to insertion of the strip according to an embodiment of the present utility model;
FIG. 6 is a schematic cross-sectional view of a test strip withdrawal device according to an embodiment of the present utility model;
FIG. 7 is a schematic diagram of a cross-sectional structure of a test strip ejecting device by a protrusion after the test strip is detected;
FIG. 8 is a schematic cross-sectional view of the test strip withdrawal device pushed out by the protrusion after the test strip detection is completed and just separated from the bent portion of the elastic sheet;
FIG. 9 is an exploded view of a test strip ejecting device with a test strip ejecting assembly disposed above a test strip fixing assembly, wherein the test strip ejecting structure, the connecting block and the push key are integrally formed.
In the above figures: 1. a test strip fixing assembly; 2, a PCB board; 3. a test strip pushing assembly; 4. a socket; 5. a detection chamber; 6. a first through hole; 7. a test strip pushing structure; 8. a test strip pushing block; 9. a boss; 10. a connecting plate; 11. pushing a key; 12. a spring plate; 13. a bending part; 14. a second through hole; 15. a reset member; 16. a test strip; 17. and (5) a buckle.
Detailed Description
The utility model is further described below with reference to the accompanying drawings and examples:
examples: the present utility model will be described in detail with reference to the drawings, wherein modifications and variations are possible in light of the teachings of the present utility model, without departing from the spirit and scope of the present utility model, as will be apparent to those of skill in the art upon understanding the embodiments of the present utility model.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present disclosure. Singular forms such as "a," "an," "the," and "the" are intended to include the plural forms as well, as used herein.
The terms "first," "second," and the like, as used herein, do not denote a particular order or sequence, nor are they intended to be limiting, but rather are merely used to distinguish one element or operation from another in the same technical term.
As used herein, "connected" or "positioned" may refer to two or more components or devices in physical contact with each other, or indirectly, or in operation or action with each other.
As used herein, the term "comprising" is intended to be inclusive and not limited to.
The term (terms) as used herein generally has the ordinary meaning of each term as used in this field, in this disclosure, and in the special context, unless otherwise noted. Certain terms used to describe the present disclosure are discussed below, or elsewhere in this specification, to provide additional guidance to those skilled in the art in connection with the description herein.
The terms "front", "rear", "upper", "lower" and the like used herein are directional terms, and are merely used to describe positional relationships among the structures in the present application, and are not intended to limit the present protection scheme or the specific direction in actual implementation.
Referring to fig. 1-9, a strip withdrawal device for a biological detector comprises a strip fixing assembly 1, a PCB board 2 and a strip pushing assembly 3; at least two test strip fixing assemblies 1 are fixedly arranged on the PCB 2.
The test strip fixing assembly 1 is provided with a socket 4 for inserting a test strip 16, and the width of the socket 4 corresponds to the width of the test strip 16; the width of the detection chamber 5 of the test strip fixing assembly 1 is the same as the width of the insertion opening 4, so that the length of the insertion opening 4 and the width of the detection chamber 5 are ensured to be the same as the width of the test strip 16.
The test strip fixing device further comprises at least two elastic pieces 12, one end of each elastic piece 12 is fixed relative to the test strip fixing assembly 1, the other end of each elastic piece is provided with a bending part 13, and the bending parts 13 keep a trend of moving towards the lower part of the test strip fixing assembly 1 by means of elastic force of the elastic pieces 12, so that the inserted test strip 16 is pressed and positioned on the lower part; each elastic piece 12 is arranged at intervals along the width direction of the test strip 16, and when the strip is withdrawn, the protruding parts 9 pass through the gaps between the elastic pieces 12 to form protruding parts 9, so that the test strip 16 can be pushed at least to release the compression positioning of the elastic pieces 12; the elastic sheet 12 and the electrode at the front end of the test strip 16 form a detection loop; the bending part 13 of the elastic sheet 12 also plays a limiting role on the test strip 16, and the plurality of elastic sheets 12 enable the pressure to be more uniform, so that the test strip 16 is ensured to be stably pressed, and meanwhile, the damage to the test strip 16 caused by the too concentrated pressure is avoided.
The inside of the test strip fixing assembly 1 is provided with a detection cavity 5, the front end of a test strip 16 is inserted into the detection cavity 5 for positioning, and at least one first through hole 6 is formed in the lower part of the detection cavity 5; the first through hole 6 has a length, the length direction corresponds to the insertion or withdrawal direction of the test strip 16, i.e. the front-back direction, and the length corresponds to the withdrawal stroke of the test strip 16, i.e. by setting the first through hole 6 to a length, the forming protruding part 9 can move in the first through hole 6, so as to at least push the test strip 16 to release the compression positioning of the bent part 13 of the shrapnel 12; wherein, when the number of the first through holes 6 is two or more, each of the first through holes 6 is arranged at intervals in the width direction of the test strip 16.
The test strip pushing-out assembly 3 comprises a connecting plate 10, wherein one end of the connecting plate 10 is provided with a pushing key 11, and the connecting plate 10 and the pushing key 11 are integrally formed; the test strip pushing structure 7 can be integrally formed with the connecting plate 10, so that the structure is simplified, the parts are minimized, and the assembly is simplified; the test strip pushing structure 7 can be detachably arranged on the connecting plate 10, so that the test strip pushing structure 7 with different numbers of test strip pushing blocks 8 can be replaced according to actual conditions; besides, the connecting plate 10 can be slidably matched with the test strip pushing structure 7 along the width direction of the test strip 16 through a sliding groove sliding rail, so that different test strip fixing assemblies 1 can be arbitrarily adapted, and the test strips 16 of different types can be detected. By applying force to the push button 11, the push button 11 is displaced in the front-rear direction, and the protruding portion 9 in the test strip pushing-out structure 7 is driven to displace in the front-rear direction.
The other end of the connecting plate 10 is provided with a test strip pushing structure 7, the test strip pushing structure 7 comprises at least one test strip pushing block 8, the test strip pushing block 8 comprises at least one vertically arranged protruding part 9, and the number of the protruding parts 9 is smaller than or equal to that of the first through holes 6; the first through holes 6 are symmetrically arranged along the central axis of the lower part of the detection cavity 5, and the protruding parts 9 of the test strip pushing-out blocks 8 are arranged in one-to-one correspondence with the first through holes 6, so that when the protruding parts 9 push out the test strips 16, the test strips 16 are uniformly stressed, and the pushing-out action is smoother; during the detection process, one end of the protruding portion 9 extends into the detection cavity 5 and is arranged corresponding to the front end of the test strip 16, and pushes the test strip 16 when the test strip 16 is withdrawn.
The test strip pushing structure 7 further comprises a vertically arranged buckle 17, as shown in fig. 2, one end of the buckle 17 is buckled on the PCB 2 in the up-down direction and is in sliding fit with the PCB 2 in the insertion and withdrawal directions of the test strip 16; on the one hand, the test strip pushing structure 7 can be connected with the PCB 2 in advance in the assembly process, the situation that the test strip pushing structure 7 is small and is easy to fall and difficult to find in the assembly process is avoided, and on the other hand, under the condition that the protruding portion 9 is not interfered to move back and forth, the buckle 17 and the protruding portion 9 synchronously move through the sliding groove sliding rail, and further the moving stroke of the protruding portion 9 is limited, so that the moving stroke is more accurate.
When the test strip fixing assembly 1 is fixedly arranged on the upper surface of the PCB 2, the test strip pushing structure 7 is arranged below the PCB 2, as shown in fig. 1 or 2, a second through hole 14 is formed in the PCB 2 at a position corresponding to the detection cavity 5 of the test strip fixing assembly 1, the second through hole 14 has a length, the length direction corresponds to the insertion or withdrawal direction of the test strip 16, i.e. the front-back direction, and the length corresponds to the withdrawal stroke of the test strip 16; the protruding part 9 of the test strip pushing block 8 sequentially passes through the second through hole 14 and the first through hole 6 from bottom to top and stretches into the detection cavity 5, and the protruding part 9 can move in the second through hole 14 by setting the second through hole 14 to a certain length, so that at least the test strip 16 is pushed to release the compression and positioning of the shrapnel 12.
When the test strip pushing structure 7 is disposed above the test strip fixing assembly 1, as shown in fig. 9, the upper portion of the detection cavity 5 is open, and the protruding portion 9 of the test strip pushing block 8 extends into the detection cavity 5 from top to bottom.
The device also comprises a reset piece 15, wherein the reset piece 15 acts between the shell of the strip withdrawal device and the strip pushing component 3, so that the strip pushing component 3 keeps a retreating trend, and further drives the strip pushing block 8 to keep a movement trend opposite to the strip pushing direction, and the reset piece can be a spring or a tension spring, and can enable the protruding part 9 of the strip pushing block 8 to keep a forward movement trend through the arrangement of the reset piece 15, so that the situation that the strip 16 is pushed out by the protruding part 9 under the condition of incomplete detection is avoided.
By the above structure composition, the structural principle of the utility model is now described as follows:
referring to fig. 5-8, first, when the test strip 16 needs to be detected, the test strip 16 enters the detection cavity 5 through the socket 4, in the process, the test strip 16 moves forward against the elastic force of the bending part 13 of the elastic sheet 12 and stops to a set position, in the process, the test strip 16 is abutted against the bending part 13 of the elastic sheet 12 and finally pressed and limited at the set position by the bending part 13, then the detection mechanism detects the test strip 16, after the detection is finished, the push key 11 of the test strip push-out assembly 3 drives the boss 9 on the test strip push-out block 8 to move backwards, so that the test strip 16 is pushed to move backwards against the elastic force of the elastic sheet 12 and exit, finally, the test strip 16 is released from the pressing and positioning of the elastic sheet 12, the test strip push-out assembly 3 moves forward to the initial position under the driving of the reset piece 15, and the whole process is finished.
The strip withdrawal device reduces parts of the strip push-out assembly 3, simplifies the assembly process, reduces the assembly difficulty, is suitable for mass production, and greatly improves the production efficiency; the test strip pushing structure 7 is detachably arranged on the connecting plate 10, so that the test strip pushing structure 7 with different test strip pushing blocks 8 can be replaced according to actual conditions, and the application range is wider.
The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims (10)

1. A test strip moves back strip device for biological detection appearance, its characterized in that: comprises a test strip fixing component (1), a PCB (2) and a test strip pushing component (3); at least two test strip fixing assemblies (1) are fixedly arranged on the PCB (2);
the test strip fixing assembly (1) is provided with a socket (4) for inserting a test strip (16), and the width of the socket (4) corresponds to the width of the test strip (16);
the inside of the test strip fixing assembly (1) is provided with a detection cavity (5), the front end of the test strip (16) is inserted into the detection cavity (5) for positioning, and the lower part of the detection cavity (5) is provided with at least one first through hole (6);
the first through hole (6) has a length, the length direction corresponds to the insertion or pushing-out direction of the test strip (16), and the length corresponds to the withdrawing stroke of the test strip (16); wherein when the number of the first through holes (6) is two or more, each of the first through holes (6) is arranged at intervals along the width direction of the test strip (16);
the test strip pushing-out assembly (3) comprises a connecting plate (10), one end of the connecting plate (10) is provided with a pushing key (11), and the connecting plate (10) and the pushing key (11) are integrally formed;
the other end of the connecting plate (10) is provided with a test strip pushing structure (7), the test strip pushing structure (7) comprises at least one test strip pushing block (8), the test strip pushing block (8) comprises at least one vertically arranged protruding part (9), and the number of the protruding parts (9) is smaller than or equal to that of the first through holes (6);
one end of the protruding part (9) stretches into the detection cavity (5) and is arranged corresponding to the front end of the test strip (16), and when the test strip (16) is withdrawn, the test strip (16) is pushed.
2. The strip withdrawal apparatus for a biological detector of claim 1, wherein: the test strip pushing structure (7) and the connecting plate (10) are integrally formed.
3. The strip withdrawal apparatus for a biological detector of claim 1, wherein: the test strip pushing structure (7) is detachably arranged on the connecting plate (10).
4. A strip withdrawal device for a biological test meter according to claim 1 or 3, wherein: the connecting plate (10) and the test strip pushing-out structure (7) are in sliding fit with each other in the width direction of the test strip (16) through a sliding groove sliding rail.
5. The strip withdrawal apparatus for a biological detector of claim 1, wherein: the test strip pushing structure (7) further comprises a vertically arranged buckle (17), and one end of the buckle (17) is buckled on the PCB (2) in the up-down direction and is in sliding fit with the PCB (2) in the insertion and withdrawal directions of the test strip (16).
6. The strip withdrawal apparatus for a biological detector of claim 1, wherein: the test strip fixing device further comprises at least two elastic pieces (12), one end of each elastic piece (12) is fixed relative to the test strip fixing assembly (1), the other end of each elastic piece is provided with a bending part (13), and the bending parts (13) keep a trend of moving towards the lower part of the test strip fixing assembly (1) by means of elastic force of the elastic pieces (12) so as to press and position an inserted test strip (16) on the lower part;
each elastic piece (12) is arranged at intervals along the width direction of the test strip (16), and the protruding part (9) passes through a gap between the elastic pieces (12) when the strip is withdrawn.
7. The strip withdrawal apparatus for a biological detector of claim 1, wherein: the test strip fixing assembly (1) is fixedly arranged on the upper surface of the PCB (2), and the test strip pushing-out structure (7) is arranged below the PCB (2);
a second through hole (14) is formed in the PCB (2) corresponding to the position of the detection cavity (5) of the test strip fixing assembly (1), the second through hole (14) has a length, the length direction corresponds to the insertion or pushing-out direction of the test strip (16), and the length corresponds to the pushing-out stroke of the test strip (16);
the protruding part (9) of the test strip pushing block (8) sequentially penetrates through the second through hole (14) and the first through hole (6) from bottom to top and stretches into the detection cavity (5).
8. The strip withdrawal apparatus for a biological detector of claim 1, wherein: the upper part of the detection cavity (5) is open;
the test strip pushing structure (7) is arranged above the test strip fixing assembly (1), and the protruding part (9) of the test strip pushing block (8) stretches into the detection cavity (5) from top to bottom.
9. The strip withdrawal apparatus for a biological detector of claim 1, wherein: the device also comprises a resetting piece (15), wherein the resetting piece (15) acts between the shell of the test strip withdrawing device and the test strip pushing-out assembly (3) to enable the test strip pushing-out assembly (3) to keep a retreating trend, and further drive the test strip pushing-out block (8) to keep a movement trend opposite to the strip pushing direction.
10. The strip withdrawal apparatus for a biological detector of claim 1, wherein: the protruding parts (9) of the test strip pushing-out blocks (8) are arranged in one-to-one correspondence with the first through holes (6).
CN202221054991.8U 2022-05-05 2022-05-05 Strip withdrawal device for biological detector Active CN219224821U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221054991.8U CN219224821U (en) 2022-05-05 2022-05-05 Strip withdrawal device for biological detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221054991.8U CN219224821U (en) 2022-05-05 2022-05-05 Strip withdrawal device for biological detector

Publications (1)

Publication Number Publication Date
CN219224821U true CN219224821U (en) 2023-06-20

Family

ID=86735351

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221054991.8U Active CN219224821U (en) 2022-05-05 2022-05-05 Strip withdrawal device for biological detector

Country Status (1)

Country Link
CN (1) CN219224821U (en)

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