Constant temperature shaking table movement component and constant temperature shaking table

Abstract

The invention discloses a thermostatic shaker core component and a thermostatic shaker, which relate to the field of laboratory equipment and include an oscillation plate component and a reciprocating drive component located in a housing. The reciprocating drive component and the oscillation plate component are connected by a steering mechanism. The steering mechanism includes: a tray component, a support component, and a drive component, which includes a ratchet rod installed with the housing. The invention connects the reciprocating drive component and the oscillation plate component by a steering mechanism, thereby realizing the reciprocating motion of a culture container in a horizontal direction and also enabling the rotation in a circumferential direction, thereby enriching the force direction of a culture liquid in the culture container and increasing the intensity of mixing during shaking.

Description

Technical Field

[0001] The invention relates to the technical field of laboratory equipment, in particular to a constant temperature shaker core component and a constant temperature shaker. Background Art

[0002] The constant temperature shaker is a laboratory equipment that controls the temperature and keeps it constant, while mixing the sample evenly through a vibration device. It is widely used in research in the fields of life sciences, biomedicine, environmental science, etc.

[0003] Existing Chinese patent publication number: CN111632636B, the name of the patent is "A constant temperature multi-oscillation water bath shaker", the patent includes "a fixed box, a culture medium and a heating device, the heating device is fixedly installed inside the fixed box, and the bottom of the left side of the inner cavity of the fixed box is movably installed with a lower transmission structure, which reduces the use of clamps and can clamp culture media of various specifications, reduces the cost of customized clamps, and reduces the cost of experiments. At the same time, because the oscillation devices are arranged in an array, multiple culture media can be clamped, which increases the number of culture media that need to be shaken and cultured at one time, increases production, and improves culture efficiency. "

[0004] The shaking mechanism assembly of an existing constant temperature shaker is usually composed of a motor and an eccentric wheel. The motor provides a driving force to rotate the eccentric wheel, thereby generating a force to shake the oscillation plate, so that the oscillation plate drives the liquid inside the container to be evenly mixed, thereby improving the experimental effect. However, the above-mentioned shaking mechanism assembly has the disadvantage that the oscillation plate containing the liquid sample can only perform linear reciprocating movement, so that the loaded culture liquid is subjected to a single force direction when shaking, and the mixing efficiency is low. Summary of the invention

[0005] The object of the present invention is to provide a constant temperature shaker core assembly and a constant temperature shaker to solve the above-mentioned deficiencies in the prior art.

[0006] In order to achieve the above object, the present invention provides the following technical solutions:

[0007] A constant temperature shaking table core assembly includes an oscillating plate assembly and a reciprocating drive assembly located in a housing, wherein the reciprocating drive assembly and the oscillating plate assembly are connected to each other through a steering mechanism, wherein the steering mechanism includes:

[0008] A tray assembly, comprising a tray for accommodating the oscillating plate assembly, wherein the tray is connected to an output portion of the reciprocating drive assembly via a connecting unit;

[0009] The support assembly includes a first ratchet ring fixed to the support tray, and the first ratchet ring is adapted to mesh with a second ratchet ring fixed to the oscillating plate assembly;

[0010] The driving assembly comprises a ratchet rod installed with the casing. When the second ratchet ring is meshed with the ratchet rod for transmission, the supporting assembly drives the oscillating disk assembly to deflect.

[0011] Preferably, the oscillating plate assembly comprises a plate body, and a clamping unit is provided in the plate body.

[0012] Preferably, the reciprocating drive assembly comprises a motor, and an eccentric wheel is fixed on the output shaft of the motor.

[0013] Preferably, the connecting unit is a crank slider mechanism, and the bearing tray can reciprocate on a horizontal plane in the housing.

[0014] Preferably, ratchet structures are provided on the contacting surfaces of the first ratchet ring and the second ratchet ring, and the first ratchet ring and the second ratchet ring can undergo positive relative motion.

[0015] Preferably, the ratchet rod is parallel to the linear motion direction of the bearing tray, and when the bearing tray moves away from the ratchet rod, the second ratchet ring and the ratchet rod are meshed and transmitted.

[0016] Preferably, one end of the ratchet rod is rotatably connected to the machine housing, and a shaft rod rotatably mounted on the machine housing is vertically provided on one side of the rod body of the ratchet rod. The shaft rod and the rod body of the ratchet rod are meshed and transmitted through a bevel gear set, and a one-way ratchet gear is installed on the shaft rod, and the one-way ratchet gear is meshed with a rack fixed to the supporting tray.

[0017] Preferably, the rack includes a sleeve body, in which an adjusting rod is rotatably inserted, and the rod body of the adjusting rod is provided with a plurality of recessed grooves, the length of each recessed groove changes monotonically in the length direction of the rod body, and each recessed groove is provided with a tooth block that can extend out from the side of the sleeve body.

[0018] Preferably, a knob block is installed on the protruding end of the rod body of the adjusting rod.

[0019] Preferably, the thermostatic shaker is provided with the above-mentioned thermostatic shaker movement assembly.

[0020] In the above technical scheme, a constant temperature shaker movement assembly provided by the present invention is connected by a steering mechanism between a reciprocating drive assembly and an oscillation disk assembly, so that the culture container can reciprocate in the horizontal direction while also being able to rotate in the circumferential direction, thereby enriching the force direction of the culture solution in the culture container, increasing the intensity of mixing during shaking, and improving the mixing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0022] Figure 1 It is a top view schematic diagram of a constant temperature shaking table core assembly of the present invention;

[0023] Figure 2 For the present invention Figure 1 The enlarged schematic diagram at A in the middle;

[0024] Figure 3 It is a structural schematic diagram of a support and rotation assembly of a constant temperature shaking table core assembly of the present invention;

[0025] Figure 4 For the present invention Figure 3 The enlarged schematic diagram of point B in the middle;

[0026] Figure 5 It is a cross-sectional schematic diagram of a rack of a constant temperature shaking table core assembly of the present invention;

[0027] Figure 6 It is a schematic diagram of the structure of a ratchet unit of a thermostatic shaker core assembly of the present invention;

[0028] Figure 7 It is a schematic diagram of a support tray of a constant temperature shaking table core assembly in a housing of the present invention;

[0029] Figure 8 The present invention is a schematic diagram of the exterior of a housing of a thermostatic shaker core assembly.

[0030] Description of reference numerals:

[0031] 1. Machine body; 2. Oscillating plate assembly; 2.1. Plate body; 2.2. Clamping unit; 2.21. Circular frame; 2.22. Elastic rope; 2.23. Outer circular sleeve; 2.24. Wedge block; 2.25. Slot; 2.26. Long strip opening; 2.27. Hard sleeve; 2.28. Stopper; 2.29. Through hole; 3. Reciprocating drive assembly; 3.1. Motor; 3.2. Eccentric wheel; 4. Tray assembly; 4.1. Support tray; 4.2. Connecting unit; 5. Support assembly; 5.1. First ratchet ring; 5.11. First ratchet groove; 5.2. Second ratchet ring; 5.21. Second ratchet groove; 6. Driving assembly; 6.1. Ratchet rod ;6.2, shaft; 6.3, bevel gear set; 6.31, first bevel gear; 6.32, second bevel gear; 6.4, one-way ratchet gear; 6.5, rack; 6.51, sleeve body; 6.52, adjustment rod; 6.53, recessed groove; 6.54, tooth block; 6.55, knob block; 6.56, insertion port; 6.57, plug column; 6.58, stop pin; 7, long strip edge; 8, snap-on strip; 9, annular groove; 10, ratchet ring; 11, ratchet unit; 11.1, accommodating chamber; 11.2, movable plate; 11.3, slide groove; 11.4, external interface; 11.5, ratchet plate; 11.6, through-plate opening; 11.7, magnet block. DETAILED DESCRIPTION

[0032] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0033] See also Figure 1-8 A thermostatic shaking table core assembly provided by an embodiment of the present invention comprises an oscillating plate assembly 2 and a reciprocating drive assembly 3 located in a housing 1. The reciprocating drive assembly 3 is connected to the oscillating plate assembly 2 through a steering mechanism. The steering mechanism comprises:

[0034] The tray assembly 4 comprises a tray 4.1 for accommodating the oscillating plate assembly 2, and the tray 4.1 is connected to the output portion of the reciprocating drive assembly 3 via a connecting unit 4.2;

[0035] The supporting assembly 5 comprises a first ratchet ring 5.1 fixed to the bearing tray 4.1, and a second ratchet ring 5.2 fixed to the oscillating plate assembly 2 is adapted to mesh with the first ratchet ring 5.1;

[0036] The driving assembly 6 comprises a ratchet rod 6.1 mounted on the housing 1. When the second ratchet ring 5.2 is meshed with the ratchet rod 6.1, the supporting assembly 5 drives the oscillating plate assembly 2 to deflect.

[0037] Specifically, the housing 1 is the body of the constant temperature shaker, and the oscillation plate assembly 2 is located inside the housing 1. The oscillation plate assembly 2 is used to accommodate a culture medium container, so that the culture medium container moves synchronously with the oscillation plate assembly 2 inside the housing 1. The reciprocating drive assembly 3 can be selected as a cam mechanism, which can provide driving force for the smooth shaking of the oscillation plate assembly 2. The bottom surface of the tray 4.1 is parallel to the horizontal plane. The tray 4.1 is connected to the cam mechanism through the connecting unit 4.2, so that the tray 4.1 drives the oscillation plate assembly 2 to reciprocate on the horizontal plane. The support assembly 5 plays a one-way limiting role for the rotation of the oscillation plate assembly 2 in the tray 4.1, so that the oscillation plate assembly 2 can only deflect in one direction in the tray 4.1. When the ratchet rod 6.1 moves away from the tray 4.1, the second ratchet ring 5.2 and the ratchet rod 6.1 are meshed and transmitted, and the support assembly 5 drives the oscillation plate assembly 2 to deflect;

[0038] During actual use, the reciprocating drive assembly 3 causes the tray assembly 4 to reciprocate in the horizontal direction on the housing 1, wherein the movement of the supporting tray 4.1 toward the position of the ratchet rod 6.1 is positive movement, and the opposite is a distancing movement. When the supporting tray 4.1 moves forward, there is no meshing action between the second ratchet ring 5.2 and the ratchet rod 6.1. When the supporting tray 4.1 moves away, the second ratchet ring 5.2 and the ratchet rod 6.1 are meshed and transmitted, and the supporting assembly 5 drives the oscillating disk assembly 2 to deflect, thereby realizing the reciprocating motion of the culture container in the horizontal direction while also being able to rotate in the circumferential direction, thereby enriching the force direction of the culture solution in the culture container, increasing the intensity of mixing during shaking, and improving the mixing efficiency.

[0039] In another embodiment provided by the present invention, the oscillating plate assembly 2 includes a plate body 2.1, a clamping unit 2.2 is provided in the plate body 2.1, and the clamping unit 2.2 is used to stabilize the culture container located in the plate body 2.1, wherein the clamping unit 2.2 includes a circular frame 2.21 fixed above the plate body 2.1, and a plurality of crisscrossing elastic ropes 2.22 are fixed in the circular frame 2.21, and each of the crisscrossing elastic ropes 2.22 forms a grid surface on the plate body 2.1, and the elastic rope 2.22 is an elastic rubber rope, and the elastic rope 2.22 is preferably an elastic tension spring rope, and the surface of the metal wire of the elastic tension spring rope is covered with an anti-slip rubber layer;

[0040] In actual use, when the culture container is located inside the tray body 2.1, the culture container passes through the mesh surface to open the mesh, and the elastic contraction force formed by the elastic rope 2.22 positions and clamps the culture container, thereby fixing the culture container inside the tray body 2.1;

[0041] In another embodiment provided by the present invention, the outer surface of the circular frame 2.21 is adapted to be matched with an outer circular sleeve 2.23, and a plurality of wedge-shaped blocks 2.24 arranged in a circumferential pattern are fixed on the outer surface of the outer circular sleeve 2.23. The cross section of the wedge-shaped blocks 2.24 is a right triangle, and the length direction line of the wedge-shaped blocks 2.24 is parallel to the axis direction of the outer circular sleeve 2.23. Each wedge block 2.24 is provided with a slot 2.25, and the outer sleeve 2.23 is provided with a plurality of long openings 2.26 corresponding to the slots 2.25. A hard sleeve 2.27 fixedly sleeved with the end of the elastic rope 2.22 is movably penetrated in the long opening 2.26, and a stopper 2.28 is fixed to one end of the hard sleeve 2.27 extending out of the long opening 2.26. A through hole 2.29 aligned with the long opening 2.26 is provided on the frame body of the circular frame 2.21, and the through hole 2.29 is for the elastic rope 2.22 to extend out of the circular frame 2.21;

[0042] It should be further explained that the circular frame 2.21 has a plurality of evenly distributed long edges 7, the length direction of the long edges 7 is parallel to the axis direction of the outer sleeve 2.23, and the length of the long edges 7 is one third of the height of the circular frame 2.21. The inner wall surface of the outer sleeve 2.23 is fixed with a clamping strip 8, the clamping strip 8 is parallel to the long edges 7, and the clamping strip 8 can be adapted to be inserted into the interval between the long edges 7;

[0043] In actual use, when the tightness of the elastic rope 2.22 needs to be adjusted, the outer sleeve 2.23 is moved upward, and the clamping strip 8 is disengaged from the interval between the long strip edges 7. The outer sleeve 2.23 can rotate in the circumferential direction. When the outer sleeve 2.23 rotates forward, the stopper 2.28 moves upward along the inclined surface of the wedge block 2.24. At this time, the stopper 2.28 is acted on by the inclined surface of the wedge block 2.24, so that the distance between the stopper 2.28 and the outer sleeve 2.23 increases, so that the elastic rope 2.22 is further stretched, and the force of the elastic rope 2.22 when clamping the culture container is increased, which has the effect of adjusting the tightness of the clamping unit 2.2 when clamping; wherein, the adjustment of the elastic rope 2.22 caused by the movement of the stopper 2.28 on the inclined surface of the wedge block 2.24 is the first adjustment state;

[0044] In addition, when the outer circular sleeve 2.23 continues to rotate forward, part of the elastic rope 2.22 further extends out of the through hole 2.29, and the elastic rope 2.22 is further stretched. Then, the outer circular sleeve 2.23 is moved downward, and the clamping strip 8 is inserted into the gap between the long edges 7. At this time, the adjustment of the elastic rope 2.22 is the second adjustment state, and the second adjustment state is a further depth adjustment based on the first adjustment state.

[0045] In another embodiment provided by the present invention, the reciprocating drive assembly 3 includes a motor 3.1, an eccentric wheel 3.2 is fixed on the output shaft of the motor 3.1, and the connecting unit 4.2 is preferably a crank slider mechanism. The bearing tray 4.1 can reciprocate on the horizontal plane in the machine casing 1. In actual use, the frequency of the reciprocating motion of the bearing tray 4.1 is regulated by controlling the rotation speed of the motor 3.1. The bottom surface of the bearing tray 4.1 is parallel to the horizontal plane, and the bearing tray 4.1 is slidingly engaged with the machine casing 1. For example, a long strip-shaped groove that matches the edge of the plate body of the bearing tray 4.1 is provided on the inner wall of the machine casing 1, and the bearing tray 4.1 can move in the horizontal direction.

[0046] In another embodiment provided by the present invention, ratchet structures are provided on the surfaces where the first ratchet ring 5.1 and the second ratchet ring 5.2 contact each other, and the first ratchet ring 5.1 and the second ratchet ring 5.2 can undergo positive relative movement, the ring body of the first ratchet ring 5.1 is fixed to the top surface of the support tray 4.1, the first ratchet groove 5.11 of the first ratchet ring 5.1 is located at the top of the ring body of the first ratchet ring 5.1, the second ratchet groove 5.21 of the second ratchet ring 5.2 is located at the bottom of the second ratchet ring 5.2, and the second ratchet ring 5.2 is above the first ratchet ring 5.1. Due to the effect of the ratchet structure, the second ratchet ring 5.2 can undergo positive rotation on the first ratchet ring 5.1;

[0047] It should be particularly noted that the ring body thickness of the first ratchet ring 5.1 is greater than the ring body thickness of the second ratchet ring 5.2. An annular groove 9 that can accommodate and adapt to the second ratchet ring 5.2 is opened on the top of the first ratchet ring 5.1. The ratchet structure of the first ratchet ring 5.1 is located at the bottom of the annular groove 9. When the second ratchet ring 5.2 is plugged into the annular groove 9, the ratchet groove of the second ratchet ring 5.2 can engage with the ratchet groove of the first ratchet ring 5.1. When the second ratchet ring 5.2 rotates forward on the first ratchet ring 5.1, the bottom end of the second ratchet ring 5.2 is still located in the annular groove 9.

[0048] In another embodiment provided by the present invention, the ratchet rod 6.1 is parallel to the linear motion direction of the bearing tray 4.1, and when the bearing tray 4.1 moves away from the ratchet rod 6.1, the second ratchet ring 5.2 and the ratchet rod 6.1 are meshed and transmitted;

[0049] Furthermore, the ring body of the second ratchet ring 5.2 is an outer sleeve 2.23, the ratchet groove of the second ratchet ring 5.2 is located at the bottom surface of the outer sleeve 2.23, the bottom end of the outer sleeve 2.23 is plugged and matched with the annular groove 9, and a plurality of wedge blocks 2.24 form a ratchet ring portion 10 of the outer sleeve 2.23 in the circumferential direction of the outer side of the outer sleeve 2.23;

[0050] A ratchet bar unit 11 is provided on one side surface of the ratchet rod 6.1. When the ratchet bar unit 11 contacts the ratchet ring portion 10, if the tray 4.1 is in a forward moving state, the ratchet bar unit 11 and the ratchet ring portion 10 do not mesh and rotate, and the tray body 2.1 does not deflect; if the tray 4.1 is in a distancing movement state, the ratchet bar unit 11 and the ratchet ring portion 10 mesh and rotate, and the tray body 2.1 deflects;

[0051] Further, the ratchet bar unit 11 includes a housing chamber 11.1 opened in the ratchet rod 6.1, the housing chamber 11.1 is a long cylindrical cavity, a movable plate 11.2 is arranged in the housing chamber 11.1, a slide groove 11.3 capable of being adapted and engaged with the movable plate 11.2 is opened on the inner wall of the housing chamber 11.1, the movable plate 11.2 can move along the length direction of the long cylindrical cavity in the slide groove 11.3, and the movable plate 11.2 can have two positions in the slide groove 11.3, namely, an extended position and a folded position, and the length direction line of the movable plate 11.2 is parallel to the axis line of the ratchet rod 6.1;

[0052] The top of the accommodating chamber 11.1 is provided with a plurality of external interfaces 11.4 connected to the outside, each of which is provided with a ratchet piece 11.5, the plate surface of the movable plate 11.2 is parallel to the top surface of the accommodating chamber 11.1, the plate body of the movable plate 11.2 is provided with a plurality of through-plate openings 11.6, the plates of the ratchet pieces 11.5 are all movable through the through-plate openings 11.6, the insertion end of the ratchet piece 11.5 is hinged to the cavity wall surface of the accommodating chamber 11.1, a magnet block 11.7 is fixed at a position of the tray 4.1 close to the relative movement of the ratchet rod 6.1, the magnet block 11.7 can be selected from neodymium iron boron magnets, ferrite magnets, aluminum nickel cobalt, samarium cobalt, etc., the movable plate 11.2 is an iron plate body, or a magnetic block that is magnetically attracted to the magnet block 11.7 is fixed to the movable plate 11.2;

[0053] In actual use, when the tray 4.1 is in a forward moving state, under the magnetic attraction of the magnet block 11.7, the moving plate 11.2 can move relatively in the slide slot 11.3, and when the right end of the moving plate 11.2 contacts the end of the slide slot 11.3, the moving plate 11.2 can be in a folded position in the slide slot 11.3, and the end of the ratchet piece 11.5 is flush with the top surface of the moving plate 11.2. At this time, when the ratchet bar unit 11 passes through the ratchet ring portion 10, the ratchet bar unit 11 will not contact the ratchet ring portion 10;

[0054] Similarly, when the tray 4.1 is in a state of being moved away, under the magnetic attraction of the magnet block 11.7, the moving plate 11.2 can move relatively in the slide slot 11.3, and when the left end of the moving plate 11.2 contacts the end of the slide slot 11.3, the moving plate 11.2 can be in an extended position in the slide slot 11.3, and the end of the ratchet piece 11.5 extends out of the top surface of the moving plate 11.2, and the ratchet piece 11.5 forms a ratchet portion on the top surface of the moving plate 11.2. At this time, when the ratchet bar unit 11 passes through the ratchet ring portion 10, the ratchet bar unit 11 will not contact the ratchet ring portion 10;

[0055] In other words, when the tray 4.1 moves toward the ratchet rod 6.1, the ratchet bar unit 11 will never come into contact with the ratchet ring portion 10. When the tray 4.1 moves away from the ratchet rod 6.1, the ratchet bar unit 11 can come into contact with the ratchet ring portion 10, thereby meshing with each other and causing the tray body 2.1 to deflect.

[0056] In another embodiment provided by the present invention, one end of the ratchet rod 6.1 is rotatably connected to the machine housing 1, and the ratchet rod 6.1 can rotate axially. A shaft rod 6.2 rotatably mounted on the machine housing 1 is vertically provided on one side of the rod body of the ratchet rod 6.1. The shaft rod 6.2 and the ratchet rod 6.1 are on the same horizontal plane. The shaft rod 6.2 and the rod body of the ratchet rod 6.1 are meshed and transmitted through a bevel gear set 6.3. The bevel gear set 6.3 includes a first bevel gear 6.31 fixedly sleeved with the rod body of the ratchet rod 6.1, and a second bevel gear 6.32 fixed to the end of the shaft rod 6.2 is meshed on the first bevel gear 6.31. A one-way ratchet gear 6.4 is installed on the shaft rod 6.2, and a rack 6.5 fixed to the bearing tray 4.1 is meshed on the one-way ratchet gear 6.4. The length direction line of the rack 6.5 is parallel to the length direction line of the ratchet rod 6.1.

[0057] In actual use, when the tray 4.1 is in the forward movement process, the rack 6.5 and the one-way ratchet gear 6.4 can be meshed and transmitted, thereby causing the shaft 6.2 to rotate. At this time, under the meshing transmission of the bevel gear set 6.3, the ratchet rod 6.1 also rotates accordingly, thereby causing the moving trajectory of the ratchet unit 11 in the axial direction of the ratchet rod 6.1 to be offset and changed, and unable to contact the ratchet ring portion 10, thereby changing the ratio of the reciprocating movement frequency of the tray 4.1 to the rotation frequency of the tray body 2.1; For example, each time the tray 4.1 moves away from the bearing plate 4.1, the deflection angle of the tray body 2.1 is α. By providing the rotatably mounted ratchet rod 6.1, shaft rod 6.2, bevel gear set 6.3, etc., the tray 4.1 needs to perform N times of distance movement, N>1, and the moving trajectory line of the ratchet bar unit 11 in the axial direction of the ratchet rod 6.1 returns to the initial position, and can contact the ratchet ring part 10 again, so that the deflection angle of the tray body 2.1 can be α, thereby changing the rotation speed of the tray body 2.1.

[0058] In another embodiment provided by the present invention, the rack 6.5 includes a sleeve body 6.51, in which an adjusting rod 6.52 is rotatably inserted, and a plurality of recessed grooves 6.53 are provided on the rod body of the adjusting rod 6.52, and the length of the groove body of each recessed groove 6.53 changes monotonically in the length direction of the rod body, and each recessed groove 6.53 is provided with a tooth block 6.54 that can extend out of the side of the sleeve body 6.51, and the groove wall of the recessed groove 6.53 is an inclined portion, which is conducive to the tooth block 6.54 being able to disengage from the recessed groove 6.53 when the adjusting rod 6.52 is axially rotated, and when the insertion end of the tooth block 6.54 contacts the outer side surface of the rod body of the adjusting rod 6.52, the tooth block 6.54 extends out of the side of the sleeve body 6.51, and the tooth block 6.54 extending out of the side of the sleeve body 6.51 at this time constitutes the meshing portion of the rack 6.5, which can mesh with the tooth surface of the one-way ratchet gear 6.4;

[0059] In actual use, the number of tooth blocks 6.54 extending out of the side of the sleeve body 6.51 is controlled by rotating the adjustment rod 6.52. The more tooth blocks 6.54 extend out, the longer the meshing portion of the rack 6.5 is, and the longer the driving stroke when meshing with the one-way ratchet gear 6.4 is, so that the axial rotation angle of the ratchet rod 6.1 is greater each time. Similarly, the fewer tooth blocks 6.54 extend out, the smaller the axial rotation angle of the ratchet rod 6.1 is. By rotating the torsion angle of the adjustment rod 6.52, the ratio of the reciprocating frequency of the tray 4.1 to the rotation frequency of the tray body 2.1 can be adjusted according to actual conditions, thereby improving accuracy and adaptability.

[0060] In another embodiment of the present invention, a knob block 6.55 is installed on the extended end of the rod body of the adjustment rod 6.52. Preferably, an insertion port 6.56 is opened in the middle of the knob block 6.55. The cross section of the insertion port 6.56 is a non-circular structure, and the cross section of the insertion port 6.56 is a rectangular. A plug-in column 6.57 fixed to the end of the rod body of the adjustment rod 6.52 is adapted to be inserted into the insertion port 6.56. A stop pin 6.58 is fixed to the outer end of the plug-in column 6.57. The stop pin 6.58 restricts the knob block 6.55 from being separated from the plug-in column 6.57. The side of the knob block 6.55 away from the stop pin 6.58 and the end surface of the sleeve body 6.51 are both rough surfaces. For example, both ends have protrusions. When the knob block 6.55 contacts the end surface of the sleeve body 6.51, the adjustment rod 6.52 cannot rotate, and magnetic adsorption can occur between the knob block 6.55 and the end surface of the sleeve body 6.51.

[0061] In actual use, when adjustment is required, the knob block 6.55 is slid along the axis of the plug column 6.57 toward the stop pin 6.58, so that the knob block 6.55 is separated from the end surface of the sleeve body 6.51, and then the knob block 6.55 is twisted. After use, the knob block 6.55 is brought into contact with the end surface of the sleeve body 6.51 again, so as to achieve axial locking of the adjustment rod 6.52. Mark

[0062] In another embodiment provided by the present invention, the thermostatic shaker is provided with the above-mentioned thermostatic shaker core assembly, so that the culture container can simultaneously reciprocate in the horizontal direction and rotate in the circumferential direction.

[0063] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A constant temperature shaking table movement assembly, comprising an oscillating plate assembly (2) and a reciprocating drive assembly (3) located in a housing (1), It is characterized in that The reciprocating drive assembly (3) and the oscillating plate assembly (2) are connected in transmission via a steering mechanism, wherein the steering mechanism comprises: A tray assembly (4), comprising a tray (4.1) for accommodating the oscillating plate assembly (2), wherein the tray (4.1) is connected to an output portion of the reciprocating drive assembly (3) via a connecting unit (4.2); A support assembly (5), comprising a first ratchet ring (5.1) fixed to the support tray (4.1), the first ratchet ring (5.1) being adapted to mesh with a second ratchet ring (5.2) fixed to the oscillating plate assembly (2); A driving assembly (6) comprising a ratchet rod (6.1) mounted on the housing (1); when the ratchet rod (6.1) and the bearing tray (4.1) move away from each other, the second ratchet ring (5.2) and the ratchet rod (6.1) engage and transmit; when the second ratchet ring (5.2) and the ratchet rod (6.1) engage and transmit, the supporting assembly (5) drives the oscillating plate assembly (2) to deflect; The oscillating disk assembly (2) comprises a disk body (2.1), a clamping unit (2.2) is arranged inside the disk body (2.1), the clamping unit (2.2) comprises a circular frame (2.21) fixed above the disk body (2.1), a plurality of crisscrossing elastic ropes (2.22) are fixed inside the circular frame (2.21), and each of the crisscrossing elastic ropes (2.22) forms a grid surface on the disk body (2.1); The outer surface of the circular frame (2.21) is adapted to be matched with an outer circular sleeve (2.23), and a plurality of wedge-shaped blocks (2.24) arranged in a circumferential pattern are fixed on the outer surface of the outer circular sleeve (2.23), each wedge-shaped block (2.24) is provided with a slot opening (2.25), and the outer circular sleeve (2.23) is provided with a plurality of long strip openings (2.26) corresponding to the slot openings (2.25) one by one, and the long strip openings (2.26) are movable through the inside. A hard sleeve (2.27) is inserted through the hard sleeve (2.27) fixedly sleeved with the end of the elastic rope (2.22); a stopper (2.28) is fixed to one end of the hard sleeve (2.27) extending outside the long strip through hole (2.26); a through hole (2.29) aligned with the long strip through hole (2.26) is formed on the frame body of the circular frame (2.21); the through hole (2.29) allows the elastic rope (2.22) to extend out of the circular frame (2.21); The reciprocating drive assembly (3) comprises a motor (3.1), an eccentric wheel (3.2) being fixed to an output shaft of the motor (3.1), the connecting unit (4.2) being a crank slider mechanism, and the bearing tray (4.1) being capable of reciprocating on a horizontal plane within the housing (1).

2. A constant temperature shaking table core assembly according to claim 1, It is characterized in that A ratchet structure is provided on the contacting surfaces of the first ratchet ring (5.1) and the second ratchet ring (5.2); the first ratchet ring (5.1) and the second ratchet ring (5.2) can move relative to each other in a positive direction; an annular groove (9) capable of accommodating and matching the second ratchet ring (5.2) is provided on the top of the first ratchet ring (5.1); the ratchet structure of the first ratchet ring (5.1) is located at the bottom of the annular groove (9); when the second ratchet ring (5.2) and the annular groove (9) are plugged into each other, the ratchet groove of the second ratchet ring (5.2) can mate with the first ratchet ring (5.1). The ratchet groove (9) of the second ratchet ring (5.2) is meshed with the ratchet groove of the first ratchet ring (5.1), and when the second ratchet ring (5.2) rotates forward on the first ratchet ring (5.1), the bottom end of the second ratchet ring (5.2) is still located in the annular groove (9), the ring body of the second ratchet ring (5.2) is an outer circular sleeve (2.23), the ratchet groove of the second ratchet ring (5.2) is located on the bottom surface of the outer circular sleeve (2.23), the bottom end of the outer circular sleeve (2.23) is plug-fitted with the annular groove (9), and the plurality of wedge blocks (2.24) form a ratchet ring portion (10) of the outer circular sleeve (2.23) in the circumferential direction of the outer side of the outer circular sleeve (2.23).

3. A constant temperature shaking table core assembly according to claim 2, It is characterized in that The ratchet rod (6.1) is parallel to the linear motion direction of the bearing tray (4.1); when the bearing tray (4.1) moves away from the ratchet rod (6.1), the second ratchet ring (5.2) and the ratchet rod (6.1) are meshed and transmitted.

4. A constant temperature shaking table core assembly according to claim 3, It is characterized in that One end of the ratchet rod (6.1) is rotatably connected to the housing (1); a shaft rod (6.2) rotatably mounted on the housing (1) is vertically provided on one side of the rod body of the ratchet rod (6.1); the shaft rod (6.2) and the rod body of the ratchet rod (6.1) are meshed and transmitted via a conical gear set (6.3); a one-way ratchet gear (6.4) is mounted on the shaft rod (6.2); a rack (6.5) fixed to the bearing tray (4.1) is meshed on the one-way ratchet gear (6.4); and the ratchet rod (6.1) is A ratchet unit (11) is provided on one side surface of the tray. When the ratchet unit (11) is in contact with the ratchet ring portion (10), if the tray (4.1) is in a forward moving state, no meshing rotation occurs between the ratchet unit (11) and the ratchet ring portion (10), and the tray body (2.1) does not deflect. If the tray (4.1) is in a disengaging moving state, meshing rotation occurs between the ratchet unit (11) and the ratchet ring portion (10), and the tray body (2.1) deflects.

5. A constant temperature shaking table core assembly according to claim 4, It is characterized in that The rack (6.5) comprises a sleeve body (6.51), an adjusting rod (6.52) is rotatably inserted in the sleeve body (6.51), a plurality of recessed grooves (6.53) are provided on the rod body of the adjusting rod (6.52), the length of the groove body of each recessed groove (6.53) changes monotonically in the length direction of the rod body, and each recessed groove (6.53) is provided with a tooth block (6.54) that can extend out of the side of the sleeve body (6.51).

6. A constant temperature shaking table core assembly according to claim 5, It is characterized in that A knob block (6.55) is mounted on the protruding end of the rod body of the adjusting rod (6.52).

7. A constant temperature shaking table, It is characterized in that The invention comprises a constant temperature shaking table core assembly as described in any one of claims 1 to 6.

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