CN220926739U

CN220926739U - Rocker driving mixing device for blood culture instrument

Info

Publication number: CN220926739U
Application number: CN202322811215.9U
Authority: CN
Inventors: 宋平
Original assignee: Ningbo Sipukang Biotechnology Co ltd
Current assignee: Ningbo Sipukang Biotechnology Co ltd
Priority date: 2023-10-19
Filing date: 2023-10-19
Publication date: 2024-05-10
Anticipated expiration: 2033-10-19

Abstract

The utility model discloses a rocker-driven mixing device for a blood culture instrument, which comprises an incubation mechanism, a first rotating shaft and a second rotating shaft, wherein the incubation mechanism comprises an incubator and a plurality of groups of incubation seats which are arranged in the incubator and are made of heat-conducting materials, and two ends of each incubation seat are respectively connected with the incubator in a rotating way through the first rotating shaft and the second rotating shaft; the driving mechanism is arranged outside the heat insulation box and is provided with an output end; the connecting rod mechanism is arranged outside the heat insulation box and comprises a first connecting rod fixedly connected with the part, extending out of the heat insulation box, of the first rotating shaft, a second connecting rod hinged to the other end of the first connecting rod and capable of connecting a plurality of first connecting rods into a whole, a third connecting rod hinged to the second connecting rod and a fourth connecting rod hinged to the third connecting rod, and the fourth connecting rod is fixedly connected to the output end; the bearing is sleeved at the rotary joint of the first rotating shaft and the heat insulation box, and the aligning bearing is sleeved at the rotary joint of the second rotating shaft and the heat insulation box.

Description

Rocker driving mixing device for blood culture instrument

Technical Field

The utility model relates to the technical field of blood culture apparatuses, in particular to a rocker-driven mixing device for a blood culture apparatus.

Background

The blood culture apparatus is a microbiological analysis device for detecting the presence or absence of bacteria in blood samples, which has a very important role in the rapid clinical diagnosis and detection of sepsis and bacteremia, which are serious risks to the life of patients. With the increasing level of science and technology in recent years, computers and microbiology have evolved to develop more and more blood culture and monitoring devices for the diagnosis of other diseases. Because the blood culture bottle placed in the blood culture instrument needs to be continuously and constantly subjected to shaking incubation, better growth of bacteria can be ensured, whether bacteria exist in a blood sample can be conveniently detected, and therefore judgment accuracy is improved.

The existing blood culture instrument has the structure that an incubation mechanism is fixed on a rotating shaft through mounting clamping grooves on two sides, and the rotating shaft is mounted on a bearing seat which is independently fixed on the left and right sides; and because the width of the box body is overlong, the concentricity of the bearings at the left side and the right side is difficult to ensure, and the up-and-down swinging smoothness of the incubation mechanism and the service life of the bearings can be influenced in the shaking incubation process.

Disclosure of utility model

First, the technical problem to be solved

The utility model aims to solve the technical problem of providing a rocker-driven mixing device for a blood culture instrument, wherein two ends of an incubation seat are respectively fixed through a bearing and a self-aligning bearing, so that the self-adaptive adjustment of the horizontal state of a shaft can be realized, the problem that bearings on two sides of the incubation seat are concentric is effectively solved, the shaking incubation process of the incubation seat is more stable, and the detection result is more accurate.

(II) technical scheme

The utility model solves the technical problems that the proposal adopted by the utility model is a rocker-driven mixing device for a blood culture instrument, comprising

The incubation mechanism comprises an insulation box and a plurality of groups of incubation seats which are arranged in the insulation box and are made of heat-conducting materials, and two ends of each incubation seat are respectively connected with the insulation box in a rotating way through a first rotating shaft and a second rotating shaft;

the driving mechanism is arranged outside the heat insulation box and is provided with an output end;

The connecting rod mechanism is arranged outside the heat insulation box and comprises a first connecting rod fixedly connected with the part, extending out of the heat insulation box, of the first rotating shaft, a second connecting rod hinged to the other end of the first connecting rod and capable of connecting a plurality of first connecting rods into a whole, a third connecting rod hinged to the second connecting rod and a fourth connecting rod hinged to the third connecting rod, and the fourth connecting rod is fixedly connected to the output end;

The bearing is sleeved at the rotary joint of the first rotating shaft and the heat insulation box, and the aligning bearing is sleeved at the rotary joint of the second rotating shaft and the heat insulation box.

Specifically, the driving mechanism can drive the incubation seat to shake up and down through the fourth connecting rod, the third connecting rod, the second connecting rod and the first connecting rod in sequence.

By adopting the scheme, the two ends of the incubation seat are respectively fixed through the bearing and the aligning bearing, so that the self-adaptive adjustment of the horizontal state of the shaft can be realized, the problem of concentricity of the bearings at the two sides of the incubation seat is effectively solved, the shaking incubation process of the incubation seat is more stable, and the detection result is more accurate.

Further, the first rotating shaft comprises a first connecting part which is mutually locked with the incubation seat, a second connecting part which can be rotationally connected with the heat insulation box, and a third connecting part which is mutually locked with the first connecting rod; the first annular bulge is arranged between the first connecting part and the second connecting part and used for propping against the bearing, and the second annular bulge is arranged between the second connecting part and the third connecting part and used for propping against the second connecting rod;

The second rotating shaft comprises a fourth connecting part which is mutually locked with the incubation seat and a fifth connecting part which can be rotationally connected with the heat insulation box; the third annular bulge which is used for propping against the aligning bearing is arranged between the fourth connecting part and the fifth connecting part.

Further, the outer wall of the first connecting part is of a polygonal structure, and correspondingly, the incubation seat is provided with a first clamping groove which is matched with the first connecting part and is of a polygonal structure; the outer wall of the fourth connecting part is of a polygonal structure, and correspondingly, the incubation seat is provided with a second clamping groove which is matched with the fourth connecting part and is of a polygonal structure;

the outer wall of the third connecting part is of a polygonal structure, and correspondingly, the first connecting rod is provided with a third clamping groove which is matched with the third connecting part and is of a polygonal structure;

The heat insulation box comprises a first rotating hole for the first bearing sleeve to rotate and a second rotating hole for the second bearing sleeve to rotate.

Preferably, the incubation seat is further provided with a first slot capable of being connected with the first clamping groove, and the first slot extends from one end of the first slot, which is communicated with the first clamping groove, towards the back side of the incubation seat and penetrates through the incubation seat, and the size of the first slot gradually increases, so that the first connecting part can be clamped into the first clamping groove; the incubation seat is further provided with a second slot which can be communicated with the second clamping groove, one end of the second slot, which is communicated with the second clamping groove, extends towards the back side of the incubation seat and penetrates through the incubation seat, and the size of the second slot is gradually increased, so that the fourth connecting part can be clamped into the second clamping groove.

Further, the first bearing sleeve comprises a first abutting part which abuts against the inner wall of the heat insulation box, and the second bearing sleeve comprises a second abutting part which abuts against the inner wall of the heat insulation box, so that the rotation of the incubation seat is stable.

Further, the first connecting rod is hinged with the second connecting rod through a first connecting shaft, and a bearing is arranged between the first connecting rod and the first connecting shaft; the second connecting rod is hinged with the third connecting rod through a second connecting shaft, and a bearing is arranged between the second connecting rod and the third connecting rod; the third connecting rod is hinged with the fourth connecting rod through a third connecting shaft, and a bearing is arranged between the third connecting rod and the third connecting shaft, so that the rotation is smoother.

Further, the device also comprises a fixing seat arranged at the lower end of the heat preservation box, wherein the driving mechanism comprises a driving motor, and the driving motor is fixed at the position, located at the back side of the heat preservation box, of the fixing seat.

Further, a motor mounting seat for mounting the driving motor is further arranged on the fixing seat.

Further, the incubation seat comprises a containing hole for containing the blood culture flask, a detection plate arranged on the bottom wall of the containing hole and used for detecting the state of the incubated blood culture flask, and a clamping reed arranged in the containing hole and used for locking the blood culture flask, so that the blood culture flask can be firmly locked in the containing hole, the blood culture flask is ensured to be stable in the shaking incubation process, and the detection result is more accurate.

Further, a lamp body for emitting detection light is arranged on one side of the detection plate, facing the blood culture bottle, and a light-transmitting plate capable of transmitting light is arranged on one side of the lamp body, far away from the detection plate; one end of the clamping reed is fixed on the light-transmitting plate, and the other end of the clamping reed is fixed on one end of the accommodating hole far away from the detection plate.

Further, the clamping reed comprises a shading part, an elastic deformation part and a fixed installation part which are connected in sequence; the shading part is arranged at the front end of the light-transmitting plate and can move along the light-transmitting plate.

Specifically, after inserting the blood culture bottle into the accommodating hole, the elastic deformation part deforms to realize the elastic clamping of the blood culture bottle in the accommodating hole, and the light shielding part also moves along with the elastic deformation part, so that the detection light emitted by the lamp body can be emitted to the blood culture bottle, and at the moment, the detection plate acquires a detection signal fed back from the blood culture bottle, and the state of the reagent in the blood culture bottle is assessed through the analysis of the signal.

(III) beneficial effects

Compared with the prior art, the utility model designs a rocker-driven mixing device for a blood culture instrument,

(1) According to the utility model, the two ends of the incubation seat are respectively fixed through the bearing and the aligning bearing, so that the self-adaptive adjustment of the horizontal state of the shaft can be realized, the problem that the bearings on the two sides of the incubation seat are concentric is effectively solved, the shaking incubation process of the incubation seat is more stable, and the detection result is more accurate;

(2) The clamping reed for locking the blood culture bottle is arranged in the accommodating hole, so that the blood culture bottle can be firmly locked in the accommodating hole, the blood culture bottle is ensured to be stable in the shaking incubation process, and the detection result is more accurate.

Drawings

FIG. 1 is a schematic view of a rocker-driven mixing device for a blood culture apparatus according to the present embodiment;

FIG. 2 is another schematic view of a rocker-driven mixing device for a blood culture apparatus according to the present embodiment;

FIG. 3 is an enlarged schematic view of FIG. 2 at A;

FIG. 4 is a cross-sectional view taken at B-B in FIG. 2;

FIG. 5 is an enlarged schematic view of FIG. 4 at D;

FIG. 6 is an enlarged schematic view of FIG. 4 at E;

FIG. 7 is an enlarged schematic view of FIG. 4 at F;

FIG. 8 is a cross-sectional view taken at C-C of FIG. 2;

FIG. 9 is an enlarged schematic view of the portion G of FIG. 8;

FIG. 10 is a schematic view showing a partial structure of a rocker-driven mixing device for a blood culture apparatus according to the present embodiment;

FIG. 11 is an enlarged schematic view of the portion H of FIG. 10;

fig. 12 is a schematic view of the incubation seat of the present embodiment.

Reference numerals illustrate: 1. an incubation mechanism; 11. an insulation box; 111. a first rotation hole; 112. a second rotation hole; 12. incubation seat; 121. a first clamping groove; 122. a second clamping groove; 123. an accommodating hole; 124. a detection plate; 125. clamping the reed; 125-1, a light shielding portion; 125-2, an elastic deformation portion; 125-3, a fixed mounting part; 126. a lamp body; 127. a light-transmitting plate; 128. a first slot; 129. a second slot; 2. a first rotating shaft; 21. a first connection portion; 22. a second connecting portion; 23. a third connecting portion; 24. a first annular projection; 25. a second annular projection; 3. a second rotating shaft; 31. a fourth connecting portion; 32. a fifth connecting portion; 33. a third annular projection; 4. a driving mechanism; 41. an output end; 42. a driving motor; 5. a link mechanism; 51. a first link; 511. a third clamping groove; 52. a second link; 53. a third link; 54. a fourth link; 55. a first connecting shaft; 56. a second connecting shaft; 57. a third connecting shaft; 6. a bearing; 61. a first bearing housing; 611. a first abutting portion; 7. aligning the bearing; 71. a second bearing sleeve; 711. a second abutting portion; 8. a fixing seat; 81. a motor mounting seat; 9. blood culture bottle.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

This embodiment:

As shown in fig. 1-12, a rocker-driven mixing device for a blood culture apparatus of the present embodiment includes an incubation mechanism 1, which includes an incubator 11, and three groups of incubation seats 12 disposed from top to bottom and made of a heat-conducting material and disposed in the incubator 11, wherein two ends of the incubation seats 12 are respectively connected with the incubator 11 by rotation through a first rotating shaft 2 and a second rotating shaft 3; the driving mechanism 4 is arranged outside the heat insulation box 11 and provided with an output end 41; the link mechanism 5 is arranged outside the incubator 11, and comprises three first links 51 fixedly connected with the part of the first rotating shaft 2 extending out of the incubator 11, a second link 52 hinged to the other end of the first links 51 and capable of integrally connecting the three first links 51, a third link 53 hinged to the second link 52, and a fourth link 54 hinged to the third link 53, wherein the fourth link 54 is fixedly connected to the output end 41; the bearing 6 is sleeved at the rotary connection part of the first rotating shaft 2 and the heat insulation box 11, and the aligning bearing 7 is sleeved at the rotary connection part of the second rotating shaft 3 and the heat insulation box 11. By adopting the scheme, the two ends of the incubation seat 12 are respectively fixed through the bearing 6 and the aligning bearing 7, so that the self-adaptive adjustment of the horizontal state of the shaft can be realized, the concentric problem of the bearings 6 at the two sides of the incubation seat 12 is effectively solved, the shaking incubation process of the incubation seat 12 is more stable, and the detection result is more accurate.

Further, the first rotating shaft 2 includes a first connecting portion 21 that is locked with the incubation seat 12, a second connecting portion 22 that is rotatably connected with the incubator 11, and a third connecting portion 23 that is locked with the first connecting rod 51; the second connecting portion 22 is sleeved with two bearings 6, the two bearings 6 are sleeved with a first bearing sleeve 61, a first annular protrusion 24 for abutting against the bearing 6 is arranged between the first connecting portion 21 and the second connecting portion 22, and a second annular protrusion 25 for abutting against the second connecting rod 52 is arranged between the second connecting portion 22 and the third connecting portion 23; the second rotating shaft 3 comprises a fourth connecting part 31 which is mutually locked with the incubation seat 12, and a fifth connecting part 32 which can be rotatably connected with the heat insulation box 11; the fifth connecting portion 32 is sleeved with one self-aligning bearing 7, the self-aligning bearing 7 is sleeved with a second bearing sleeve 71, and a third annular protrusion 33 for abutting against the self-aligning bearing 7 is arranged between the fourth connecting portion 31 and the fifth connecting portion 32. Further, the outer wall of the first connecting portion 21 has a polygonal structure, and correspondingly, the incubation seat 12 is provided with a first clamping groove 121 adapted to the first connecting portion 21 and having a polygonal structure; the outer wall of the fourth connecting portion 31 has a polygonal structure, and correspondingly, the incubation seat 12 is provided with a second clamping groove 122 adapted to the fourth connecting portion 31 and having a polygonal structure; the outer wall of the third connecting portion 23 has a polygonal structure, and correspondingly, the first connecting rod 51 is provided with a third clamping groove 511 adapted to the third connecting portion 23 and having a polygonal structure; the incubator 11 includes a first rotation hole 111 through which the first bearing housing 61 rotates, and a second rotation hole 112 through which the second bearing housing 71 rotates. Preferably, the incubation seat 12 is further provided with a first slot 128 capable of communicating with the first clamping groove 121, and the first slot 128 extends from one end thereof communicating with the first clamping groove 121 toward the back side of the incubation seat 12 and penetrates the incubation seat 12, and the size of the first slot is gradually increased, so that the first connecting part 21 can be clamped into the first clamping groove 121; the incubation seat 12 is further provided with a second slot 129 capable of being connected with the second clamping groove 122, and the second slot 129 extends from one end thereof communicating with the second clamping groove 122 towards the back side of the incubation seat 12 and penetrates the incubation seat 12, and the size of the second slot is gradually increased, so that the fourth connecting part 31 can be clamped into the second clamping groove 122. Further, the first bearing sleeve 61 includes a first abutting portion 611 abutting against the inner wall of the heat insulation box 11, and the second bearing sleeve 71 includes a second abutting portion 711 abutting against the inner wall of the heat insulation box 11, so that the rotation of the incubation seat 12 is smoother. Further, the first connecting rod 51 and the second connecting rod 52 are hinged through a first connecting shaft 55, and a bearing 6 is arranged between the first connecting rod 51 and the first connecting shaft 55; the second connecting rod 52 is hinged with the third connecting rod 53 through a second connecting shaft 56, and a bearing 6 is arranged between the second connecting rod 52 and the third connecting rod 53; the third connecting rod 53 and the fourth connecting rod 54 are hinged through a third connecting shaft 57, and a bearing 6 is arranged between the third connecting rod 53 and the third connecting shaft 57, so that the rotation is smoother.

Further, the thermal insulation box further comprises a fixing seat 8 arranged at the lower end of the thermal insulation box 11, the driving mechanism 4 comprises a driving motor 42, and the driving motor 42 is fixed at the position, located at the back side of the thermal insulation box 11, of the fixing seat 8. Further, the fixing base 8 is further provided with a motor mounting base 81 for mounting the driving motor 42.

Further, the incubation seat 12 includes a receiving hole 123 for receiving the blood culture flask 9, a detecting plate 124 disposed on a bottom wall of the receiving hole 123 for detecting a state of the incubated blood culture flask 9, and a clamping reed 125 disposed in the receiving hole 123 for locking the blood culture flask 9, so that the blood culture flask 9 can be firmly locked in the receiving hole 123, so as to ensure that the blood culture flask 9 remains stable during the shaking incubation process, and thus the detecting result is more accurate. Further, a lamp body 126 for emitting detection light is arranged on one side of the detection plate 124 facing the blood culture flask 9, and a light-transmitting plate 127 capable of transmitting light is arranged on one side of the lamp body 126 away from the detection plate 124; one end of the clamping reed 125 is fixed to the light-transmitting plate 127, and the other end is fixed to an end of the receiving hole 123 away from the detection plate 124. Further, the clamping reed 125 includes a light shielding portion 125-1, an elastic deformation portion 125-2, and a fixing portion 125-3 connected in sequence; the light shielding portion 125-1 is provided at the front end of the light transmitting plate 127 and is movable along the light transmitting plate 127. Specifically, after the blood culture bottle 9 is inserted into the accommodating hole 123, the elastic deformation portion 125-2 deforms to achieve elastic clamping of the blood culture bottle 9 in the accommodating hole 123, and meanwhile, the light shielding portion 125-1 also moves along with the elastic deformation portion 125-2, so that the detection light emitted by the lamp body 126 can be emitted to the blood culture bottle 9, and at this time, the detection board 124 obtains a detection signal fed back from the blood culture bottle 9, and the state of the reagent in the blood culture bottle 9 is assessed through analysis of the signal.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. A rocker drive mixing device for blood culture appearance, its characterized in that: comprising

The incubation mechanism (1) comprises an insulation box (11) and a plurality of groups of incubation seats (12) which are arranged in the insulation box (11) and are made of heat-conducting materials, and two ends of each incubation seat (12) are respectively connected with the insulation box (11) in a rotating way through a first rotating shaft (2) and a second rotating shaft (3);

The driving mechanism (4) is arranged outside the heat insulation box (11) and is provided with an output end (41);

The connecting rod mechanism (5) is arranged outside the heat insulation box (11) and comprises a first connecting rod (51) fixedly connected with the part, extending out of the heat insulation box (11), of the first rotating shaft (2), a second connecting rod (52) hinged to the other end of the first connecting rod (51) and capable of integrally connecting a plurality of the first connecting rods (51), a third connecting rod (53) hinged to the second connecting rod (52) and a fourth connecting rod (54) hinged to the third connecting rod (53), and the fourth connecting rod (54) is fixedly connected to the output end (41);

The bearing (6) is sleeved at the rotary connection part of the first rotating shaft (2) and the heat preservation box (11), and the aligning bearing (7) is sleeved at the rotary connection part of the second rotating shaft (3) and the heat preservation box (11).

2. The rocker-driven mixing device for a blood culture apparatus of claim 1, wherein:

The first rotating shaft (2) comprises a first connecting part (21) which is mutually locked with the incubation seat (12), a second connecting part (22) which can be rotationally connected with the heat insulation box (11), and a third connecting part (23) which is mutually locked with the first connecting rod (51); the second connecting part (22) is sleeved with two bearings (6), the two bearings (6) are sleeved with a first bearing sleeve (61), a first annular bulge (24) for abutting against the bearings (6) is arranged between the first connecting part (21) and the second connecting part (22), and a second annular bulge (25) for abutting against the second connecting rod (52) is arranged between the second connecting part (22) and the third connecting part (23);

the second rotating shaft (3) comprises a fourth connecting part (31) which is mutually locked with the incubation seat (12) and a fifth connecting part (32) which can be rotationally connected with the heat insulation box (11); the aligning bearing (7) is sleeved on the fifth connecting portion (32), a second bearing sleeve (71) is sleeved on the aligning bearing (7), and a third annular protrusion (33) used for abutting against the aligning bearing (7) is arranged between the fourth connecting portion (31) and the fifth connecting portion (32).

3. The rocker-driven mixing device for a blood culture apparatus of claim 2, wherein:

The outer wall of the first connecting part (21) is of a polygonal structure, and correspondingly, the incubation seat (12) is provided with a first clamping groove (121) which is matched with the first connecting part (21) and is of a polygonal structure; the outer wall of the fourth connecting part (31) is of a polygonal structure, and correspondingly, the incubation seat (12) is provided with a second clamping groove (122) which is matched with the fourth connecting part (31) and is of a polygonal structure;

The outer wall of the third connecting part (23) is of a polygonal structure, and correspondingly, the first connecting rod (51) is provided with a third clamping groove (511) which is matched with the third connecting part (23) and is of a polygonal structure;

The incubator (11) includes a first rotation hole (111) through which the first bearing housing (61) rotates, and a second rotation hole (112) through which the second bearing housing (71) rotates.

4. The rocker-driven mixing device for a blood culture apparatus of claim 2, wherein: the first bearing sleeve (61) comprises a first abutting portion (611) abutting against the inner wall of the insulation box (11), and the second bearing sleeve (71) comprises a second abutting portion (711) abutting against the inner wall of the insulation box (11).

5. The rocker-driven mixing device for a blood culture apparatus of claim 1, wherein: the first connecting rod (51) and the second connecting rod (52) are hinged through a first connecting shaft (55), and a bearing (6) is arranged between the first connecting rod (51) and the first connecting shaft (55); the second connecting rod (52) is hinged with the third connecting rod (53) through a second connecting shaft (56), and a bearing (6) is arranged between the second connecting rod (52) and the third connecting rod (53); the third connecting rod (53) and the fourth connecting rod (54) are hinged through a third connecting shaft (57), and a bearing (6) is arranged between the third connecting rod (53) and the third connecting shaft (57).

6. The rocker-driven mixing device for a blood culture apparatus of claim 1, wherein: the thermal insulation box is characterized by further comprising a fixing seat (8) arranged at the lower end of the thermal insulation box (11), wherein the driving mechanism (4) comprises a driving motor (42), and the driving motor (42) is fixed at the position, located at the back side of the thermal insulation box (11), of the fixing seat (8).

7. The rocker-driven mixing device for a blood culture apparatus of claim 6, wherein: the fixed seat (8) is also provided with a motor mounting seat (81) for mounting the driving motor (42).

8. The rocker-driven mixing device for a blood culture apparatus of claim 1, wherein: the incubation seat (12) comprises an accommodating hole (123) for accommodating the blood culture bottle (9), a detection plate (124) arranged on the bottom wall of the accommodating hole (123) and used for detecting the state of the incubated blood culture bottle (9), and a clamping reed (125) arranged in the accommodating hole (123) and used for locking the blood culture bottle (9).

9. The rocker-driven mixing device for a blood culture apparatus of claim 8, wherein: a lamp body (126) for emitting detection light is arranged on one side, facing the blood culture bottle (9), of the detection plate (124), and a light-transmitting plate (127) capable of transmitting light is also arranged on one side, far away from the detection plate (124), of the lamp body (126); one end of the clamping reed (125) is fixed on the light-transmitting plate (127), and the other end of the clamping reed is fixed on one end of the accommodating hole (123) far away from the detection plate (124).

10. The rocker-driven mixing device for a blood culture apparatus of claim 9, wherein: the clamping reed (125) comprises a shading part (125-1), an elastic deformation part (125-2) and a fixed mounting part (125-3) which are connected in sequence; the light shielding part (125-1) is provided at the front end of the light-transmitting plate (127) and can move along the light-transmitting plate (127).