CN219162176U

CN219162176U - Sampling structure for full-automatic biochemical analyzer

Info

Publication number: CN219162176U
Application number: CN202223473066.1U
Authority: CN
Inventors: 刘娜; 梁嘉伟; 陈康宇
Original assignee: Guangdong Zhicheng Biotechnology Co ltd
Current assignee: Guangdong Zhicheng Biotechnology Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-06-09
Anticipated expiration: 2032-12-23

Abstract

The utility model discloses a sampling structure for a full-automatic biochemical analyzer, which comprises a bottom plate and a supporting plate, wherein the supporting plate is movably inserted on the bottom plate, a sleeve seat is sleeved above the supporting plate, a guide sleeve is movably sleeved on the sleeve seat, a supporting rod is movably inserted in the guide sleeve, a sampling needle is fixed at the end part of the supporting rod, a first connecting rod and a second connecting rod are respectively and symmetrically movably hinged above the bottom plate and below the supporting plate, the first connecting rod and the second connecting rod are mutually and movably hinged, a rotating mechanism capable of driving the supporting rod to rotate is arranged at the rear side of the guide sleeve, a moving mechanism capable of driving the supporting rod to longitudinally reciprocate along the guide sleeve is arranged at the left side of the guide sleeve, and a driving mechanism capable of driving the first connecting rod and the second connecting rod to be mutually and movably hinged is arranged above the bottom plate.

Description

Sampling structure for full-automatic biochemical analyzer

Technical Field

The utility model relates to the technical field of full-automatic biochemical analyzers, in particular to a sampling structure for a full-automatic biochemical analyzer.

Background

The biochemical analyzer is an instrument for measuring a certain specific chemical component in body fluid according to a photoelectric colorimetric principle, when sampling is carried out, the sampling needle assembly needs to move up and down and rotate, so that the body fluid in different test tubes is sampled and measured, when the sampling needle assembly is controlled to move, two power sources are needed to control through a motor, the sampling needle assembly is controlled to move up and down, the other end of the sampling needle assembly is driven to rotate, thus not only the waste of the power sources is caused, but also the device cannot be normally used when one of the power sources is damaged, the damage probability of a sampling structure is increased, and the existing sampling structure cannot be adapted to the heights of biochemical analyzers of different types.

Disclosure of Invention

The utility model aims to provide a sampling structure for a full-automatic biochemical analyzer, which can solve at least one of the technical problems, and the technical scheme of the utility model is as follows:

the utility model provides a full-automatic biochemical analyzer is with sampling structure, includes bottom plate and backup pad, the backup pad activity is pegged graft on the bottom plate the backup pad top cover seat the cover seat is gone up the movable sleeve and is equipped with the guide pin bushing the interior activity of guide pin bushing is pegged graft has the bracing piece tip is fixed with the sample needle bottom plate top and backup pad below respectively symmetrical activity hinge has first connecting rod and second connecting rod, first connecting rod and second connecting rod are articulated each other the guide pin bushing rear side is equipped with and can drives bracing piece pivoted slewing mechanism the guide pin bushing left side is equipped with and can drives bracing piece along the vertical reciprocating motion's of guide pin bushing actuating mechanism that can drive each other activity hinge first connecting rod and second connecting rod open angle's locking mechanism is equipped with above the bottom plate.

Further, the rotating mechanism comprises a straight gear fixedly arranged above the guide sleeve, a one-way gear is movably inserted in the rear side of the guide sleeve above the supporting plate, a sliding rail is fixed on the right side of the guide sleeve above the supporting plate, an L-shaped rack is movably inserted in the sliding rail, the L-shaped rack is meshed with the one-way gear, the one-way gear is meshed with the straight gear, a push rod motor is fixed on the supporting plate, and the output end of the push rod motor is connected with the L-shaped rack.

Further, the moving mechanism comprises an inserting sleeve which is fixed on the right side of the guide sleeve and is positioned above the supporting plate, an L-shaped pressing rod is movably inserted in the inserting sleeve, a first oblique block is fixed on the right side of the L-shaped rack, a second oblique block is fixed on the left side of the L-shaped pressing rod, the oblique surfaces of the first oblique block and the second oblique block are mutually attached, a circular ring is fixed at the rear end of the supporting rod, a first spring is fixedly connected between the guide sleeve and the supporting rod, and a second spring is fixedly connected between the inserting sleeve and the L-shaped pressing rod.

Further, the actuating mechanism is including fixing the articulated seat in bottom plate rear side top articulated seat top activity articulates has the cover to establish the piece the cover is established the movable cover and is equipped with the screw rod on the piece, is connected between the articulated end of first connecting rod and second connecting rod that sets up about the connecting rod activity articulates has the thread bush, thread bush and screw rod mutual screw thread cooperation.

Further, the locking mechanism comprises a swinging rod which is symmetrically and movably hinged to the connecting rod, a plug block is movably hinged to the end part of the swinging rod, the lower part of the plug block extends forwards from the middle part of the swinging rod, a guide rail is symmetrically fixed above the bottom plate, the plug block is movably inserted into the guide rail, a top plate is symmetrically arranged above the plug block, a plurality of third springs are fixedly connected between the top plate and the plug block, a plurality of right triangle-shaped clamping teeth are fixed in the guide rail at intervals, and a unlocking rod is fixedly connected to the plug block support.

Preferably, a plurality of guide posts are fixed on the periphery above the bottom plate, and inserting grooves are formed below the supporting plate corresponding to the guide posts.

In summary, compared with the prior art, the utility model has the following beneficial effects:

the utility model provides a sampling structure for a full-automatic biochemical analyzer, which is characterized in that a driving mechanism is used to enable a first connecting rod and a second connecting rod which are movably hinged with each other to open, so that a supporting plate moves upwards along a bottom plate, and simultaneously, the opening angles of the first connecting rod and the second connecting rod are locked through a locking mechanism, so as to meet the requirements of different types of biochemical analyzers.

Drawings

Fig. 1 is one of the three-dimensional intents of the present utility model.

Fig. 2 is a second perspective view of the present utility model.

FIG. 3 is one of the exploded views of the present utility model.

FIG. 4 is a second exploded view of the present utility model.

FIG. 5 is an enlarged schematic view of the utility model at A-1 of FIG. 4.

Reference numerals illustrate: 1. a bottom plate; 2. a support plate; 3. a sleeve seat; 4. a support rod; 5. guide sleeve; 6. a sampling needle; 7. a first link; 8. a second link; 100. a rotating mechanism; 200. a moving mechanism; 300. a driving mechanism; 400. a locking mechanism; 101. straight teeth; 102. a one-way gear; 103. a slide rail; 104. an L-shaped rack; 105. a push rod motor; 201. a plug bush; 202. an L-shaped compression bar; 203. a first sloping block; 204. a second sloping block; 205. a circular ring; 206. a first spring; 207. a second spring; 301. a hinge base; 302. sleeving a piece; 303. a screw; 304. a connecting rod; 305. a thread sleeve; 401. a swinging rod; 402. a plug block; 403. a guide rail; 404. a top plate; 405. a third spring; 406. latch teeth; 407. unlocking the rod; 11. a guide post; 12. and a plug-in groove.

Detailed Description

The utility model is further described in the following description and detailed description with reference to the drawings:

the utility model provides a full-automatic biochemical analyzer is with sampling structure as shown in fig. 1 through 5, including bottom plate 1 and backup pad 2 be fixed with a plurality of guide pillars 11 all around above the bottom plate 1 the backup pad 2 below is equipped with grafting groove 12 corresponding each guide pillar 11, backup pad 2 activity grafting is on bottom plate 1, its characterized in that: the device comprises a supporting plate 2, a sleeve seat 3 arranged above the supporting plate 2, a guide sleeve 5 movably sleeved on the sleeve seat 3, a supporting rod 4 movably inserted in the guide sleeve 5, a sampling needle 6 fixed at the end part of the supporting rod 4, a first connecting rod 7 and a second connecting rod 8 symmetrically and movably hinged above a bottom plate 1 and below the supporting plate 2 respectively, the first connecting rod 7 and the second connecting rod 8 are mutually and movably hinged, a rotating mechanism 100 capable of driving the supporting rod 4 to rotate is arranged at the rear side of the guide sleeve 5, a moving mechanism 200 capable of driving the supporting rod 4 to longitudinally reciprocate downwards along the guide sleeve 5 is arranged at the left side of the guide sleeve 5, a driving mechanism 300 capable of driving the first connecting rod 7 and the second connecting rod 8 to be mutually and movably hinged is arranged above the bottom plate 1, and a locking mechanism 400 capable of locking the opening angle of the first connecting rod 7 and the second connecting rod 8 is arranged above the bottom plate 1.

The sampling structure for the full-automatic biochemical analyzer has the advantages that when the sampling structure is used, the driving mechanism is used to enable the first connecting rod 7 and the second connecting rod 8 which are movably hinged with each other to be opened, so that the supporting plate 2 moves upwards along the bottom plate 1, simultaneously, the opening angles of the first connecting rod 7 and the second connecting rod 8 are locked through the locking mechanism 400, the requirements of heights of biochemical analyzers of different types are met, when the sampling structure is operated, the rotating mechanism 100 drives the supporting rod 2 to rotate to a sampling position, at the moment, the moving mechanism 200 drives the supporting rod 2 to longitudinally reciprocate downwards along the guide sleeve 5, the sampling needle 6 moves downwards to sample, and then the sampling needle 6 is reset.

As shown in fig. 2 and 3, in some embodiments of the present utility model, in order to achieve the effect of driving the support rod 4 to rotate, the rotating mechanism 100 includes a spur gear 101 fixedly disposed above the guide sleeve 5, a unidirectional gear 102 movably inserted above the support plate 2 at the rear side of the guide sleeve 5, a sliding rail 103 fixed above the support plate 2 at the right side of the guide sleeve 5, an L-shaped rack 104 movably inserted on the sliding rail 103, the L-shaped rack 104 meshed with the unidirectional gear 102, the unidirectional gear 102 meshed with the spur gear 101, a push rod motor 105 fixed on the support plate 2, and an output end of the push rod motor 105 connected with the L-shaped rack 104.

When the sampling structure for the full-automatic biochemical analyzer with the structure is used, the push rod motor 105 is connected through a power supply, the output end of the push rod motor 105 drives the L-shaped rack 104 to move along the sliding rail 103, the L-shaped rack 104 drives the one-way gear 102 to rotate unidirectionally, the one-way gear 102 drives the straight gear 101 to rotate, the supporting rod 4 is rotated through the guide sleeve 5, when the tooth stroke of the L-shaped rack 104 completely passes through the one-way gear 1023, the supporting rod 4 stops rotating, the supporting rod 4 rotates to a required position, and then the push rod motor 105 drives the L-shaped rack 104 to reset, and the L-shaped rack 104 drives the one-way gear 102 to idle.

As shown in fig. 4, in some embodiments of the present utility model, in order to achieve the effect of driving the support rod 4 to reciprocate longitudinally along the guide sleeve 5, the moving mechanism 200 includes a socket 201 fixed on the right side of the guide sleeve 5 and located above the support plate 2, an L-shaped compression rod 202 is movably inserted in the socket 201, a first inclined block 203 is fixed on the right side of the L-shaped rack 104, a second inclined block 204 is fixed on the left side of the L-shaped compression rod 202, inclined surfaces of the first inclined block 203 and the second inclined block 204 are mutually attached, a circular ring 205 is fixed at the rear end of the support rod 4, a first spring 206 is fixedly connected between the guide sleeve 5 and the support rod 4, and a second spring 207 is fixedly connected between the socket 201 and the L-shaped compression rod 202.

When the sampling structure for the full-automatic biochemical analyzer with the structure is used, the first inclined block 203 is driven to move towards the second inclined block 204 when the L-shaped rack 104 moves, at this time, the inclined surfaces of the first inclined block 203 and the second inclined block 204 are contacted, so that the second inclined block 204 drives the L-shaped pressure rod 202 to move downwards along the plug bush 201, and simultaneously drives the ring 205 to move downwards, so that the supporting rod 4 moves downwards, the sampling needle 6 is completely sampled, and then the L-shaped rack 104 is driven to reset through the push rod motor 105, and at this time, the supporting rod 4 and the L-shaped pressure rod 202 are respectively reset through the first spring 206 and the second spring 207.

As shown in fig. 3 and 4, in some embodiments of the present utility model, in order to achieve the effect of expanding the first link 7 and the second link 8 with the movable hinge, the driving mechanism 300 includes a hinge base 301 fixed above the rear side of the base plate 1, a sleeve member 302 is movably hinged above the hinge base 301, a screw 303 is movably sleeved on the sleeve member 302, a connecting rod 304 is connected between the hinged ends of the first link 7 and the second link 8 disposed on the left and right, a threaded sleeve 305 is movably hinged on the connecting rod 304, and the threaded sleeve 305 and the screw 303 are mutually in threaded fit.

When a sampling structure for a full-automatic biochemical analyzer using the above-mentioned structure is operated, the screw 303 movably sleeved on the sleeve 302 is rotated by the user to enable the screw sleeve 305 to move backward, at this time, the screw sleeve 305 moves the hinged ends of the first link 7 and the second link 8 backward through the connecting rod 304 to enable the first link 7 and the second link 8 to open each other, the position of the hinged ends of the first link 7 and the second link 8 will rise when they open each other, at this time, the sleeve 302 rotates on the hinge base 301 along with the height change of the hinged ends of the first link 7 and the second link 8.

As shown in fig. 4 and 5, in some embodiments of the present utility model, the effect of locking the opening angle of the first link 7 and the second link 8 is achieved, the locking mechanism 400 includes a swing rod 401 symmetrically movably hinged on the link rod 304, a plug block 402 is movably hinged at an end of the swing rod 401, a lower portion of the plug block 402 extends forward from a middle portion, a guide rail 403 is symmetrically fixed above the bottom plate, the plug block 402 is movably inserted in the guide rail 403, a top plate 404 is symmetrically arranged above the plug block 402, a plurality of third springs 405 are fixedly connected between the top plate 404 and the plug block 402, a plurality of latches 406 in a right triangle shape are fixed in the guide rail 403 at intervals, and an unlocking lever 407 is fixedly connected to the bracket of the plug block 402.

When the sampling structure for the full-automatic biochemical analyzer with the structure is used, when the connecting rod 304 is changed along with the high end of the hinged ends of the first connecting rod 7 and the second connecting rod 8, the connecting rod 304 pulls the swing rod 401 hinged on the connecting rod 304 upwards, at the moment, the inserting block 402 hinged on the end part of the swing rod 401 moves along the guide rail 403, after the inserting block 402 stops moving, the inserting block 402 is pressed downwards through a plurality of third springs 405 fixedly connected between the top plate 404 and the inserting block 402, so that the protruding part of the lower part of the inserting block 402 extends forwards from the middle part of the inserting block is clamped on a plurality of right-angled triangular clamping teeth 406 which are fixedly arranged in the guide rail 403 at intervals, and when the connecting rod is unlocked, a user only needs to pull the unlocking rod 407 fixedly connected with the bracket of the inserting block 402 upwards, so that the inserting block 402 extrudes the third springs 405, and at the moment, the protruding part of the lower part of the inserting block 402 extends forwards from the middle part of the inserting block is clamped on the middle part of the inserting block is fixedly provided with a plurality of right-angled triangular clamping teeth 406 which are separated at intervals in the guide rail 403.

While there has been shown and described what is at present considered to be the fundamental principles and the main features of the utility model and the advantages thereof, it will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, but is described in the foregoing description merely illustrates the principles of the utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model as hereinafter claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a full-automatic biochemical analysis is sampling structure for appearance, is including bottom plate (1) and backup pad (2), backup pad (2) activity grafting is on bottom plate (1), its characterized in that: the device comprises a supporting plate (2), a sleeve seat (3) above the supporting plate (2), a guide sleeve (5) movably sleeved on the sleeve seat (3), a supporting rod (4) movably spliced in the guide sleeve (5), a sampling needle (6) fixed at the end part of the supporting rod (4), a first connecting rod (7) and a second connecting rod (8) symmetrically hinged to the upper part of the bottom plate (1) and the lower part of the supporting plate (2) respectively, the first connecting rod (7) and the second connecting rod (8) are movably hinged to each other, a rotating mechanism (100) capable of driving the supporting rod (4) to rotate is arranged at the rear side of the guide sleeve (5), a moving mechanism (200) capable of driving the supporting rod (4) to longitudinally reciprocate along the guide sleeve (5) is arranged at the left side of the guide sleeve (5), a driving mechanism (300) capable of driving the first connecting rod (7) and the second connecting rod (8) which are movably hinged to each other to open is arranged above the bottom plate (1), and a locking mechanism (400) capable of locking the opening angles of the first connecting rod (7) and the second connecting rod (8) is arranged above the bottom plate (1).

2. The sampling structure for a full-automatic biochemical analyzer according to claim 1, wherein the rotating mechanism (100) comprises a straight gear (101) fixedly arranged above a guide sleeve (5), a one-way gear (102) is movably inserted above a supporting plate (2) at the rear side of the guide sleeve (5), a sliding rail (103) is fixedly arranged above the supporting plate (2) at the right side of the guide sleeve (5), an L-shaped rack (104) is movably inserted on the sliding rail (103), the L-shaped rack (104) is meshed with the one-way gear (102), the one-way gear (102) is meshed with the straight gear (101), a push rod motor (105) is fixedly arranged on the supporting plate (2), and the output end of the push rod motor (105) is connected with the L-shaped rack (104).

3. The sampling structure for a full-automatic biochemical analyzer according to claim 2, characterized in that the moving mechanism (200) comprises a plug bush (201) fixed on the right side of the guide sleeve (5) and positioned above the support plate (2), an L-shaped compression bar (202) is movably plugged in the plug bush (201), a first inclined block (203) is fixed on the right side of the L-shaped rack (104), a second inclined block (204) is fixed on the left side of the L-shaped compression bar (202), inclined surfaces of the first inclined block (203) and the second inclined block (204) are mutually attached, a circular ring (205) is fixed at the rear end of the support rod (4), a first spring (206) is fixedly connected between the guide sleeve (5) and the support rod (4), and a second spring (207) is fixedly connected between the plug bush (201) and the L-shaped compression bar (202).

4. The sampling structure for a full-automatic biochemical analyzer according to claim 1, wherein the driving mechanism (300) comprises a hinge seat (301) fixed above the rear side of the bottom plate (1), a sleeving part (302) is movably hinged above the hinge seat (301), a screw (303) is movably sleeved on the sleeving part (302), a connecting rod (304) is connected between hinged ends of the first connecting rod (7) and the second connecting rod (8) which are arranged left and right, a threaded sleeve (305) is movably hinged on the connecting rod (304), and the threaded sleeve (305) and the screw (303) are in threaded fit with each other.

5. The sampling structure for a full-automatic biochemical analyzer according to claim 4, wherein the locking mechanism (400) comprises a swinging rod (401) symmetrically movably hinged on the connecting rod (304), a plug block (402) is movably hinged at the end part of the swinging rod (401), a guide rail (403) is symmetrically fixed above the bottom plate, the plug block (402) is movably inserted in the guide rail (403), a top plate (404) is symmetrically arranged above the plug block (402), a plurality of third springs (405) are fixedly connected between the top plate (404) and the plug block (402), a plurality of right triangle-shaped clamping teeth (406) are fixedly arranged in the guide rail (403) at intervals, and an unlocking rod (407) is fixedly connected to a bracket of the plug block (402).

6. The sampling structure for a full-automatic biochemical analyzer according to claim 1, characterized in that a plurality of guide posts (11) are fixed around above the bottom plate (1), and inserting grooves (12) are arranged below the supporting plate (2) corresponding to the guide posts (11).