Lifting adjusting mechanism and sequencer

Abstract

The utility model provides a lifting adjusting mechanism and a sequencer, the lifting adjusting mechanism comprises a base, a driving assembly, a connecting piece and a bearing piece, the base is provided with a guide shaft, and the guide shaft extends along a first direction; the driving assembly is arranged on the base, the connecting piece is arranged on the driving assembly, the connecting piece comprises a rolling piece, and the connecting piece can move in the second direction perpendicular to the first direction under the driving of the driving assembly; the bearing part comprises a bearing plate and a sliding part, the bearing plate is slidably arranged on the guide shaft in a sleeving mode and located above the connecting part, the sliding part is arranged on the side, close to the connecting part, of the bearing plate and provided with a sliding face, the sliding face is obliquely arranged relative to the plane where the bearing plate is located, and the rolling part slidably abuts against the sliding face and is driven by the connecting part to rotate. The rolling piece can move along the sliding face so as to drive the bearing plate to ascend and descend in the first direction.

Description

Technical Field

[0001] The present application relates to the technical field of mechanical equipment, and in particular to a lifting and lowering adjustment mechanism and a sequencer. Background Art

[0002] Gene sequencing technology is also called DNA sequencing technology, which is a technology for obtaining the base arrangement order of the target DNA fragment. During the gene sequencing process, the sequencing slide is installed on a placement table. A flow channel is provided in the sequencing slide. The flow channel has a liquid inlet. The reagent enters the flow channel from the liquid inlet and performs a sequencing reaction in the flow channel. An outlet is provided at the bottom of the liquid reservoir for storing the reagent. When the reagent is injected into the flow channel, the outlet of the liquid reservoir is aligned with the liquid inlet of the flow channel. A sealing ring is also provided around the bottom of the liquid reservoir, and the sealing ring is sealed between the bottom of the liquid reservoir and the sequencing slide. In order to improve the sealing between the reservoir and the sequencing slide, it is correspondingly necessary to drive the placement table toward the liquid reservoir through a lifting mechanism so that the sealing ring is squeezed.

[0003] Most of the existing lifting mechanisms use the motor output shaft to directly drive the placement table to achieve vertical lifting. However, this lifting mechanism has a complex structure and is inconvenient to operate; it also requires a large operating space to meet the motor's movement range, resulting in a large overall volume of the lifting mechanism. Utility Model Content

[0004] In view of this, in order to solve at least one of the above problems, the present application provides a lifting and lowering adjustment mechanism and a sequencer.

[0005] The present application provides a lifting and adjusting mechanism, including a base, a driving assembly, a connecting member and a supporting member, wherein the base is provided with a guide shaft, and the guide shaft extends along a first direction; the driving assembly is arranged on the base, and the connecting member is arranged on the driving assembly, and the connecting member includes a rolling member, and under the drive of the driving assembly, the connecting member can move along a second direction perpendicular to the first direction; the supporting member includes a supporting plate and a sliding member, and the supporting plate is slidingly sleeved on the guide shaft and located above the connecting member, and the sliding member is arranged on a side of the supporting plate close to the connecting member, and the sliding member has a sliding surface, and the sliding surface is inclined relative to the plane where the supporting plate is located, wherein the rolling member slides against the sliding surface, and under the drive of the connecting member, the rolling member can move along the sliding surface to drive the supporting plate to lift and lower along the first direction.

[0006] In some possible embodiments, the sliding surface includes a first zone, a second zone, and a third zone connected between the first zone and the second zone, the first zone is close to the connecting piece, the second zone is close to the bearing plate, the third zone has a smooth transition with the first zone and the second zone, and the third zone and the plane where the bearing plate is located form an acute angle.

[0007] In some possible implementations, the sliding member further includes a first limiting portion provided at an end of the first zone away from the third zone, and a second limiting portion provided at an end of the second zone away from the third zone.

[0008] In some possible implementations, the first area and the first limiting portion form a first arc-shaped groove, and the second area and the second limiting portion form a second arc-shaped groove.

[0009] In some possible embodiments, the connecting member also includes a connecting plate, which is provided with a through groove that passes through the connecting plate, and the through groove extends along the second direction. The rolling member is located in the through groove, and the rolling member rotates compared to the connecting plate. The axial direction of the rolling member is arranged along a third direction perpendicular to the first direction and the second direction, and a portion of the sliding member extends into the through groove and abuts against the rolling member.

[0010] In some possible embodiments, the sliding member includes two groups of sliding plates, the two sliding plates are arranged at intervals along the third direction, and each sliding plate has two sliding surfaces arranged side by side along the second direction; a through groove is provided on the connecting member corresponding to each sliding plate, and a rolling member is provided in each through groove corresponding to each sliding surface.

[0011] In some possible embodiments, a mounting groove is provided on the base, and the driving assembly includes a driving member, a screw connected to the driving member, and a transmission block threadedly connected to the screw, the screw is accommodated in the mounting groove, and the transmission block is connected to the connecting member; the base is also provided with a support seat and a locking member arranged on the support seat, the support seat is provided with a through hole, the driving member includes a rotating part, the rotating part passes through the through hole and is connected to the screw, and the locking member is used to lock the rotating part to the support seat; the base is also provided with a slide rail and a slider slidably arranged on the slide rail, and the slider is fixedly connected to the connecting member.

[0012] In some possible implementations, the rolling element includes a rotating shaft and a roller disposed on the rotating shaft, and the sliding surface is slidably connected to the roller.

[0013] In some possible implementations, the lifting and adjusting mechanism further includes a top plate disposed on the guide shaft, and the top plate is located on a side of the bearing plate away from the driving assembly.

[0014] The present application also provides a sequencer, including a lifting and lowering adjustment mechanism.

[0015] In the present application, the driving component drives the connecting member to move along the second direction perpendicular to the first direction, and drives the bearing member to rise and fall along the first direction through the cooperation of the sliding member and the connecting member. Compared with the prior art in which the bearing member is driven to rise and fall in the first direction by the motor in a straight line, the present case uses the method of sliding the sliding member to the connecting member, and combines the relationship of sliding cooperation between the rolling member and the sliding surface on the sliding member, so that the connecting member moves along the second direction, which can drive the bearing member to rise and fall along the first direction, thereby converting the method of the motor driving the bearing member to rise and fall in the prior art into driving the connecting member to move in the second direction, reducing the space occupied by the driving component when moving in the first direction, thereby reducing the entire volume of the lifting and lowering adjustment mechanism to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of a lifting and lowering adjustment mechanism provided in this embodiment.

[0017] Figure 2 for Figure 1 An exploded view of the lifting and lowering adjustment mechanism is shown.

[0018] Figure 3 for Figure 1 The cross-sectional schematic diagram along III-III is shown when the supporting member of the lifting and lowering adjustment mechanism is located at the first position.

[0019] Figure 4 for Figure 1 A schematic diagram of the structure of the base and the driving assembly in the lifting and adjusting mechanism shown.

[0020] Figure 5 for Figure 4 An exploded view of the drive assembly in the lift adjustment mechanism is shown.

[0021] Figure 6 for Figure 2 The schematic diagram of the structure of the connecting parts in the lifting and adjusting mechanism is shown.

[0022] Figure 7 for Figure 2 A schematic structural diagram of a bearing component in a lifting and adjusting mechanism is shown.

[0023] Figure 8 for Figure 1 The cross-sectional schematic diagram along III-III is shown when the supporting member of the lifting and lowering adjustment mechanism is located at the second position.

[0024] Main component symbols

[0025] Lifting adjustment mechanism 100

[0026] Base 11

[0027] Mounting slot 111

[0028] Receiving hole 112

[0029] Guide shaft 12

[0030] Slide 13

[0031] Slider 14

[0032] Top plate 15

[0033] Support seat 16

[0034] Perforation 161

[0035] Locking piece 17

[0036] Drive assembly 20

[0037] Driving member 21

[0038] Rotating part 211

[0039] Runner 212

[0040] Screw 22

[0041] Screw nut 23

[0042] Transmission block 24

[0043] Bearing seat 25

[0044] Coupling 26

[0045] Connector 30

[0046] Connecting plate 31

[0047] Through slot 311

[0048] Mounting hole 312

[0049] Limit hole 313

[0050] Rolling element 32

[0051] Shaft 321

[0052] Roller 322

[0053] Limiting ring 323

[0054] Shaft end retaining ring 324

[0055] Carrier 40

[0056] Loading plate 41

[0057] Mounting slot 411

[0058] Linear bearing 412

[0059] Slider 42

[0060] Sliding plate 43

[0061] Gap 431

[0062] Sliding surface 432

[0063] District 1 4321

[0064] District 2 4322

[0065] District 3 4323

[0066] The first limiting portion 433

[0067] The second limiting portion 434

[0068] First direction X

[0069] Second direction Y

[0070] The third direction Z

[0071] Sequencing slide 200

[0072] The following specific implementation methods will further illustrate the present application in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0073] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0074] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. When an element is considered to be "set on" another element, it may be directly set on the other element or there may be a central element at the same time.

[0075] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0076] In order to further explain the technical means and effects adopted by the present application to achieve the intended purpose, the present application is described in detail below in conjunction with the accompanying drawings and implementation methods.

[0077] See also Figure 1 , Figure 2 and Figure 3 The embodiment of the present application provides a lifting and adjusting mechanism 100, which can be used to adjust the height of materials. The lifting and adjusting mechanism 100 includes a base 11, a driving assembly 20, a connecting member 30 and a bearing member 40. A guide shaft 12 is provided on the base 11. The guide shaft 12 extends along a first direction X. The driving assembly 20 is arranged on the base 11. The connecting member 30 is arranged on the driving assembly 20. The connecting member 30 includes a rolling member 32. Under the drive of the driving assembly 20, the connecting member 30 moves along a second direction Y perpendicular to the first direction X. The bearing member 40 includes a bearing plate 41 and a sliding member 42 arranged on the bearing plate 41. The bearing plate 41 is slidably sleeved on the guide shaft 12 and is located above the connecting member 30. The bearing plate 41 is for placing materials. The sliding member 42 is arranged on the surface of the bearing plate 41 facing the base 11. The sliding member 42 has a sliding surface 432, and the sliding surface 432 is inclined relative to the plane where the connecting plate 31 is located. The rolling element 32 slides against the sliding surface 432. The bearing element 40 can be in the first position (see Figure 3 ) and the second position (see Figure 8 Driven by the connecting member 30, the rolling member 32 can move along the sliding surface 432 to drive the bearing member 40 to move between the first position and the second position, so as to realize the lifting and lowering of the bearing member 40 along the first direction X.

[0078] Compared with the prior art in which the motor drives the carrier 40 to rise and fall in the first direction X, in this case, the sliding member 42 is slidably connected to the connecting member 30, and combined with the sliding fit between the rolling member 32 and the sliding surface 432 on the sliding member 42, the connecting member 30 moves along the second direction Y, which can drive the carrier 40 to rise and fall along the first direction X, thereby converting the prior art method in which the motor drives the carrier 40 to rise and fall into driving the connecting member 30 to move in the second direction Y to drive the carrier 40 to rise and fall, reducing the space occupied by the driving component 20 when moving in the first direction X, thereby reducing the entire volume of the lifting adjustment mechanism 100 to a certain extent.

[0079] The end of the guide shaft 12 away from the base 11 is also fixedly connected to a top plate 15. The top plate 15 is located on a side of the bearing plate 41 away from the driving assembly 20.

[0080] The aforementioned lifting mechanism can be used to adjust the height of the material in the equipment, such as the detection equipment, such as the sequencer. The material is placed on the detection table, and the height of the material is raised to install or detect the material. In this embodiment, the lifting adjustment mechanism 100 drives the sequencing carrier 200 as an example for description, but it is not limited to this.

[0081] A flow channel is provided in the sequencing slide 200, and the flow channel has a liquid inlet. Fluids such as sequencing reagents or biological samples enter the flow channel from the liquid inlet, and a sequencing reaction is performed in the flow channel. Usually, the aforementioned fluid is contained in a liquid reservoir, and an outlet and a rubber sealing ring arranged around the outlet are provided at the bottom of the liquid reservoir. The specific process of the fluid flowing in from the above-mentioned liquid inlet is that the outlet of the liquid reservoir is aligned with the liquid inlet of the flow channel, and the sealing ring is sealed between the bottom of the liquid reservoir and the sequencing slide 200. In order to further improve the sealing performance, the driving component 20 of the lifting and adjusting mechanism 100 drives the supporting plate 41 to move upward, and then drives the sequencing slide 200 to move toward the liquid reservoir. Under the relative action of the supporting plate 41 and the top plate, the sealing ring is squeezed to improve the sealing performance.

[0082] See also Figure 1 , Figure 2 and Figure 3 In some embodiments, four guide shafts 12 are provided, and the guide shafts 12 are arranged at the corners of the carrier plate 41 to ensure that the carrier plate 41 moves along the first direction X. In this embodiment, a linear bearing 412 is also provided on the carrier plate 41, and the linear bearing 412 is fixed on the carrier plate 41. The guide shaft 12 is arranged in the linear bearing 412, and the carrier plate 41 moves along the guide shaft 12 through the linear bearing 412. The surface of the carrier plate 41 away from the base 11 has an assembly groove 411, and the sequencing carrier 200 is used to be accommodated in the assembly groove 411.

[0083] See also Figure 4 and Figure 5 In some embodiments, a mounting groove 111 is provided on the base 11, and the driving assembly 20 includes a driving member 21, a screw rod 22 connected to the driving member 21, and a transmission block 24 threadedly connected to the screw rod 22. The driving member 21 is arranged outside the base 11 and located on one side of the base 11. The screw rod 22 and the transmission block 24 are accommodated in the mounting groove 111. The axial direction of the screw rod 22 is consistent with the second direction Y. The transmission block 24 is connected to the connecting member 30. The transmission block 24 and the connecting member 30 can be fixedly connected by bolts. Under the drive of the driving member 21, the driving assembly 20 drives the connecting member 30 to move along the second direction Y through the connection between the transmission block 24 and the connecting member 30. The manner in which the mounting groove 111 is provided on the base 11 and the screw rod 22 is accommodated in the mounting groove 111 can further reduce the space occupied by the driving assembly 20 in the lifting and adjusting mechanism 100, which is conducive to the miniaturization of the lifting and adjusting mechanism 100.

[0084] More specifically, the base 11 is a square plate structure. The driving assembly 20 also includes a screw nut 23, a bearing seat 25 and a coupling 26. The screw nut 23 is threadedly connected to the screw 22. The transmission block 24 is fixedly sleeved on the screw nut 23, and the two side surfaces of the transmission block 24 are against the inner wall of the mounting groove 111. When the screw 22 rotates, the circumferential rotation of the transmission block 24 is limited by the limit of the inner wall of the mounting groove 111, so that the rotational motion of the screw 22 is converted into the linear motion of the transmission block 24. There are two groups of bearing seats 25, and the two groups of bearing seats 25 are fixed on the base 11, and each bearing seat 25 is provided with a bearing. Among them, the two ends of the screw 22 pass through the two bearings respectively and rotate relative to the bearing seat 25. The coupling 26 is accommodated in the mounting groove 111. The output shaft of the driving member 21 is connected to one end of the screw 22 through the coupling 26.

[0085] Continue reading Figure 4 and Figure 5 , a support seat 16 and a locking member 17 arranged on the support seat 16 are also provided on the base 11. The support seat 16 is arranged at one end of the base 11. A through hole 161 is provided on the support seat 16. The driving member 21 includes a rotating portion 211, and the rotating portion 211 passes through the through hole 161 to be connected with the screw rod 22, and the locking member 17 is used to lock the rotating portion 211 to the support seat 16. When it is necessary to drive the screw rod 22 to rotate, the rotating portion 211 is rotated, and the rotating portion 211 drives the screw rod 22 to rotate to drive the connecting member 30 to move. The rotating portion 211 also includes a rotating wheel 212 connected to the rotating portion 211. The rotating wheel 212 is located outside the base 11. The rotating portion 211 is an axial structure. The rotating portion 211 passes through the through hole 161, and the rotating portion 211 is connected to the screw rod 22 through a coupling 26. The rotating wheel 212 can specifically be a hand wheel, which is rotated by holding the hand wheel to drive the screw rod 22 to rotate.

[0086] The support seat 16 provides support for the rotation of the rotating part 211. The support seat 16 is a plate or block structure, and a gap connected to the through hole 161 is also provided on the support seat 16. The gap extends to the end of the support seat 16 away from the base 11 and divides one end of the support seat 16 into two fixed blocks. The locking member 17 adjusts the size of the through hole 161 by controlling the size of the gap, so that when the bearing member 40 is in a certain position, the size of the through hole 161 is reduced to constrain the rotating part 211, so that the rotating part 211 is locked in the through hole 161 to prevent the rotating wheel 212 from rotating in the opposite direction. The locking member 17 is connected to the upper end of the support seat 16, and the locking member 17 passes through the two fixed blocks to reduce the gap, thereby locking the rotating part 211 in the through hole 161. The locking member 17 can be a threaded member. In other embodiments, only a through hole 161 is provided on the support base 16, and the locking member 17 extends from the side wall of the support base 16 into the through hole 161 along the direction perpendicular to the rotating portion 211, and abuts against the outer wall of the rotating portion 211, thereby locking the rotating portion 211 on the support base 16.

[0087] In other embodiments, the driving member 21 may also be a motor, so as to drive the screw rod 22 to rotate.

[0088] The base 11 is also provided with a slide rail 13 and a slider 14 slidably arranged on the slide rail 13, and the slide rail 13 extends along the second direction Y. The slider 14 is fixedly connected to the connecting member 30. The connecting member 30 can be fixedly connected to the connecting member 30 by bolts. When the connecting member 30 moves along the second direction Y, the arrangement of the slide rail 13 and the slider 14 provides support for the connecting member 30 and guides the connecting member 30 to slide along the second direction Y. In some embodiments, the slide rail 13 is provided with a plurality of groups, and the plurality of groups of slide rails 13 are arranged in parallel, and two sliders 14 are arranged on each slide rail 13. In this embodiment, four groups of slide rails 13 are provided, and every two groups of slide rails 13 are fixed to one end of the connecting member 30 by the slider 14, so as to improve the stability of the connecting member 30 sliding in the second direction Y.

[0089] See also Figure 6 and Figure 7 In some embodiments, the connecting member 30 further includes a connecting plate 31. The connecting plate 31 is located above the base 11. The connecting plate 31 is connected to the transmission block 24. A through slot 311 is provided on the connecting plate 31, which passes through the connecting plate 31. The through slot 311 extends along the second direction Y, and one end of the through slot 311 extends to the end of the connecting plate 31 close to the support seat 16. The rolling member 32 is located in the through slot 311. The rolling member 32 rotates relative to the connecting plate 31, and the axial direction of the rolling member 32 is arranged along the third direction Z, and the first direction X, the second direction Y and the third direction Z are perpendicular. A portion of the sliding member 42 extends into the through slot 311 and abuts against the rolling member 32. The sliding member 42 includes a sliding plate 43 connected to the bearing plate 41, the sliding plate 43 has a notch 431, and the sliding surface 432 is located in the notch 431. When the driving assembly 20 drives the connecting plate 31 to move along the second direction Y, the rolling member 32 is driven to move, and the rolling member 32 slides along the sliding surface 432. As the position of the rolling member 32 sliding on the sliding surface 432 changes, the supporting plate 41 is driven to rise and fall along the first direction X.

[0090] In some embodiments, the rolling member 32 includes a rotating shaft 321 and a roller 322 disposed on the rotating shaft 321, and the sliding member 42 is slidably connected to the roller 322. The axial direction of the rotating shaft 321 is arranged along the third direction Z, and the roller 322 is rotatably connected to the rotating shaft 321. The roller 322 is slidably connected to the sliding plate 43 through the rotation of the roller 322. The connecting plate 31 includes a mounting hole 312 for the rotating shaft 321 to pass through, one end of the rotating shaft 321 passes through the mounting hole 312 and extends out of the connecting plate 31, a limiting ring 323 is disposed at one end of the rotating shaft 321, and a shaft end retaining spring 324 is clamped at the other end, a limiting hole 313 is provided on the connecting plate 31 corresponding to the position of the shaft end retaining spring 324, and the end of the rotating shaft 321 provided with the shaft end retaining spring 324 is accommodated in the limiting hole 313, and the rotating shaft 321 is mounted on the connecting plate 31 through the setting of the limiting ring 323 and the shaft end retaining spring 324. In other embodiments, the rolling element 32 only includes a roller 322 and a rotating shaft 321 . Holes (not shown) are provided on two opposite inner walls of the through slot 311 . Both ends of the rotating shaft 321 are accommodated in the holes. The rotating shaft 321 rotates relative to the connecting plate 31 .

[0091] In some embodiments, the sliding surface 432 includes a first area 4321, a second area 4322, and a third area 4323 connected between the first area 4321 and the second area 4322. The first area 4321 is close to the connecting plate 31, the second area 4322 is close to the bearing plate 41, the third area 4323 smoothly transitions with the first area 4321 and the second area 4322, and an acute angle is formed between the plane where the third area 4323 and the bearing plate 41 are located. When the bearing member 40 is in the first position, the roller 322 abuts against the first area 4321, and when the bearing member 40 is in the second position, the roller 322 abuts against the third area 4323. Compared with the base 11, the first position is higher than the second position. The roller 322 slides from the first area 4321 to the second area 4322 to drive the bearing plate 41 to descend; the roller 322 slides from the second area 4322 to the first area 4321 to drive the bearing plate 41 to ascend. More specifically, the first area 4321 and the second area 4322 are both arc surfaces, and the third area 4323 is an inclined surface.

[0092] The sliding plate 43 is provided with a first limiting portion 433 at a position of the first area 4321 away from the third area 4323, and a second limiting portion 434 at a position of the second area 4322 away from the third area 4323. When the roller 322 abuts against the first area 4321 or the second area 4322, the movement of the roller 322 is limited by the corresponding first limiting portion 433 and second limiting portion 434 to prevent the roller 322 from being separated from the sliding surface 432. The first limiting portion 433 and the second limiting portion 434 are both convex block structures correspondingly protruding from the ends of the first area 4321 and the ends of the second area 4322. More specifically, the first area 4321 and the first limiting portion 433 form a first arc groove, and the second area 4322 and the second limiting portion 434 form a second arc groove. The inner wall of the arc groove is adapted to the roller 322, so that the roller 322 can be stably limited in the arc groove.

[0093] Combination Figure 8 In this embodiment, the base 11 is provided with a receiving hole 112 at a position corresponding to the first limiting portion 433, so that when the carrier 40 is located at the second position, the first limiting portion 433 is accommodated in the receiving hole 112. Compared with the method of increasing the distance between the connecting plate 31 and the base 11, the provision of the receiving hole 112 also reduces the space occupied by the sliding plate 43 during the movement process to a certain extent, thereby reducing the occupied volume of the lifting adjustment mechanism 100.

[0094] See also Figure 3 and Figure 8 The specific process of the driving assembly 20 driving the bearing member 40 to move up and down through the connecting plate 31 is as follows: when the bearing plate 41 needs to move from the first position to the second position, that is, the height of the bearing plate 41 is lowered compared to the base 11, the bearing plate 41 is located at the first position (see Figure 3 ), the rolling element 32 is abutted against the first area 4321. The driving assembly 20 is started, and the driving assembly 20 drives the connecting plate 31 to move along the second direction Y, and the connecting plate 31 gradually moves in the direction away from the support seat 16, and the rolling element 32 slides in the direction from the first area 4321 to the second area 4322, pushing the supporting plate 41 to move in the direction close to the base 11. During this movement process, the first limiting portion 433 gradually extends into the receiving hole 112, and when the rolling element 32 slides along the third area 4323 to the second area 4322, the supporting plate 41 descends to the second position, and the first limiting portion 433 is accommodated in the receiving hole 112. When the supporting plate 41 needs to move from the second position to the first position, that is, the height of the supporting plate 41 is raised compared to the base 11, the supporting plate 41 is located in the second position (see Figure 8), the rolling element 32 abuts against the second area 4322. The driving assembly 20 is started, the screw rod 22 rotates in the opposite direction, and the driving assembly 20 drives the connecting plate 31 to move along the second direction Y. The connecting plate 31 gradually moves toward the direction close to the support seat 16, and the rolling element 32 slides from the second area 4322 to the first area 4321, pushing the supporting plate 41 to move away from the base 11. During the movement, the first limiting portion 433 gradually disengages from the receiving hole 112, and when the rolling element 32 abuts against the first area 4321, the supporting plate 41 rises to the first position.

[0095] In this embodiment, the sliding member 42 includes two sets of sliding plates 43, and the two sliding plates 43 are arranged at intervals along the third direction Z. A through slot 311 is provided on the connecting plate 31 corresponding to each sliding plate 43, and a rolling member 32 is provided in each through slot 311 corresponding to the sliding surface 432. Notches 431 are provided on the two sets of sliding plates 43, and are slidably connected to the rolling member 32 through the corresponding sliding surface 432, so as to improve the stability of the connecting plate 31 pushing the bearing plate 41 to move. In this embodiment, the orthographic projection of the through slot 311 on the base 11 is located between each two sets of slide rails 13.

[0096] More specifically, each sliding plate 43 is provided with two notches 431, and each sliding plate 43 has two sliding surfaces 432 arranged side by side along the second direction Y. The connecting plate 31 is provided with a rolling element 32 in each through groove 311 corresponding to each sliding surface 432, and each rolling element 32 corresponds to a sliding surface 432. The two sliding surfaces 432 on each sliding plate 43 abut against the corresponding rolling element 32, so that the load-bearing plate 41 is subjected to a more uniform force, and the stability of the lifting and lowering of the load-bearing element 40 is improved.

[0097] The present application also provides a sequencer, including a housing and a lifting and lowering adjustment mechanism 100, wherein the lifting and lowering adjustment mechanism 100 is disposed in the housing.

[0098] In the present application, the driving assembly 20 drives the connecting member 30 to move along the second direction Y perpendicular to the first direction X, and drives the bearing member 40 to rise and fall along the first direction X through the cooperation of the sliding member 42 and the connecting member 30. Compared with the prior art in which the bearing member 40 is driven to rise and fall in the first direction X by the motor linearly, in the present case, the sliding member 42 is slidably connected to the connecting member 30, and the sliding surface 432 on the sliding member 42 is slidably cooperated. The connecting member 30 moves along the second direction Y, which can drive the bearing member 40 to rise and fall along the first direction X, thereby converting the prior art in which the motor linearly drives the bearing member 40 to rise and fall into the driving movement of the connecting member 30 in the second direction Y, reducing the space occupied by the driving assembly 20 when moving in the first direction X, thereby reducing the entire volume of the lifting adjustment mechanism 100 to a certain extent.

[0099] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present application and are not intended to limit it. Although the present application has been described in detail with reference to the embodiments, a person skilled in the art should understand that the technical solution of the present application may be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present application.

Claims

1. A lifting and lowering adjustment mechanism, characterized in that: include: A base, provided with a guide shaft, wherein the guide shaft extends along a first direction; A driving assembly and a connecting member, wherein the driving assembly is arranged on the base, the connecting member is arranged on the driving assembly, the connecting member includes a rolling member, and under the drive of the driving assembly, the connecting member can move along a second direction perpendicular to the first direction; as well as The bearing member comprises a bearing plate and a sliding member, wherein the bearing plate is slidably sleeved on the guide shaft and is located above the connecting member, the sliding member is arranged on a side of the bearing plate close to the connecting member, and the sliding member has a sliding surface, and the sliding surface is inclined relative to the plane where the bearing plate is located. Wherein, the rolling member is slidably held against the sliding surface, and driven by the connecting member, the rolling member can move along the sliding surface to drive the carrying plate to rise and fall along the first direction.

2. The lifting and lowering adjustment mechanism according to claim 1, characterized in that: The sliding surface includes a first area, a second area and a third area connected between the first area and the second area, the first area is close to the connecting member, the second area is close to the bearing plate, the third area smoothly transitions with the first area and the second area, and the third area and the plane where the bearing plate is located form an acute angle.

3. The lifting and lowering adjustment mechanism according to claim 2, characterized in that: The sliding member further includes a first limiting portion provided at an end of the first zone away from the third zone, and a second limiting portion provided at an end of the second zone away from the third zone.

4. The lifting and lowering adjustment mechanism according to claim 3, characterized in that: The first area and the first limiting portion form a first arc-shaped groove, and the second area and the second limiting portion form a second arc-shaped groove.

5. The lifting and lowering adjustment mechanism according to claim 1, characterized in that: The connecting member also includes a connecting plate, a through groove penetrating the connecting plate is provided on the connecting plate, the through groove extends along the second direction, the rolling member is located in the through groove, the rolling member rotates compared to the connecting plate, the axial direction of the rolling member is arranged along a third direction perpendicular to the first direction and the second direction, and part of the sliding member extends into the through groove and abuts against the rolling member.

6. The lifting and lowering adjustment mechanism according to claim 5, characterized in that: The sliding member comprises two sets of sliding plates, the two sliding plates are arranged at intervals along the third direction, and each sliding plate has two sliding surfaces arranged side by side along the second direction; A through slot is provided on the connecting member corresponding to each of the sliding plates, and a rolling member is provided in each of the through slots corresponding to each of the sliding surfaces.

7. The lifting and lowering adjustment mechanism according to claim 1, characterized in that: The base is provided with a mounting groove, the driving assembly comprises a driving member, a screw connected to the driving member, and a transmission block threadedly connected to the screw, the screw is accommodated in the mounting groove, and the transmission block is connected to the connecting member; The base is also provided with a support seat and a locking member arranged on the support seat, the support seat is provided with a through hole, the driving member includes a rotating part, the rotating part passes through the through hole and is connected to the screw rod, and the locking member is used to lock the rotating part to the support seat; The base is also provided with a slide rail and a slider slidably arranged on the slide rail, and the slider is fixedly connected to the connecting member.

8. The lifting and lowering adjustment mechanism according to claim 1, characterized in that: The rolling element comprises a rotating shaft and a roller arranged on the rotating shaft, and the sliding surface is slidably connected to the roller.

9. The lifting and lowering adjustment mechanism according to claim 1, characterized in that: The lifting and lowering adjustment mechanism further comprises a top plate arranged on the guide shaft, and the top plate is located at a side of the bearing plate away from the driving assembly.

10. A sequencer, characterized in that: It comprises the lifting and lowering adjustment mechanism as claimed in any one of claims 1 to 9.

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