CN210605180U

CN210605180U - Specimen displacement mechanism

Info

Publication number: CN210605180U
Application number: CN201921867122.5U
Authority: CN
Inventors: 刘池俊
Original assignee: Youren Electronic Technology Suzhou Co ltd
Current assignee: Youren Electronic Technology Suzhou Co ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-05-22
Anticipated expiration: 2029-11-01

Abstract

The utility model discloses a sample displacement mechanism, including base, the sideslip seat of vertical shift seat, the clearance fit on the base of clearance fit on vertical shift seat, the side of vertical shift seat and sideslip seat is equipped with vertical and horizontal adjustment mechanism, and vertical and horizontal adjustment mechanism includes first rotation axis and second rotation axis, first rotation axis cavity, and second rotation axis pin joint is in first rotation axis, and the second rotation axis passes through rack and pinion mechanism to be connected with the sideslip seat, and first rotation axis passes through gear train and screw thread drive mechanism and is connected with vertical shift seat. The specimen displacement mechanism is positioned below the microscope, and when an operator observes a specimen through the microscope, the operator can drive the specimen to longitudinally and transversely move by rotating the coaxial first rotating shaft and the second rotating shaft on one hand, so that the specimen is positioned at a proper observation position of the microscope, and the operation is convenient.

Description

Specimen displacement mechanism

Technical Field

The utility model relates to a microscope.

Background

In an upright microscope in which a sample is observed, the sample is usually held by a slide clamp. When observing a specimen using a microscope stage, first, a specimen is held in a pressing sheet and attached to the upper surface of the stage. Then, both ends of the hand-pressing piece are moved to position the microscope specimen at a desired position.

SUMMERY OF THE UTILITY MODEL

The utility model solves the technical problem that: the specimen is observed by a microscope, and the hand of the operator does not directly move the pressing sheet, so that the pressing sheet can move left and right.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a sample displacement mechanism, the on-line screen storage device comprises a base, the vertical seat that moves of movable fit on the base, the sideslip seat of movable fit on the vertical seat that moves, the side of vertical seat and sideslip seat of moving is equipped with vertical and horizontal adjustment mechanism, vertical and horizontal adjustment mechanism sets up on the base, vertical and horizontal adjustment mechanism is including the vertical adjustment mechanism that the drive moved vertical seat longitudinal movement, the horizontal adjustment mechanism of drive sideslip seat lateral movement, vertical adjustment mechanism is equipped with first rotation axis, horizontal adjustment mechanism is equipped with the second rotation axis, first rotation axis cavity, the pin joint of second rotation axis is in first rotation axis, the second rotation axis has flexible function, the second rotation axis passes through rack and pinion mechanism and is connected with the sideslip seat, first rotation axis passes through gear train and screw drive mechanism and is connected with.

According to the technical scheme, a first rotating shaft and a second rotating shaft are coaxially arranged, the head end of the first rotating shaft is connected with a longitudinal moving seat, the head end of the second rotating shaft is connected with a transverse moving seat, the tail end of the second rotating shaft axially protrudes out of the tail end of the first rotating shaft, an operator rotates the tail end of the first rotating shaft, the longitudinal moving seat is driven by a gear set and a thread transmission mechanism to longitudinally move on a base, the longitudinal moving seat drives the transverse moving seat on the longitudinal moving seat to synchronously move, when the longitudinal moving seat longitudinally moves, the moving direction of the longitudinal moving seat is the axial direction of the first rotating shaft, and the second rotating shaft extends or contracts; and an operator rotates the tail end of the second rotating shaft and drives the transverse moving seat to transversely move relative to the longitudinal moving seat through the gear rack mechanism.

The specimen is clamped by the upper and lower glass pressing sheets and placed on the transverse moving seat, the transverse displacement of the transverse moving seat drives the specimen to move transversely, and the longitudinal displacement of the longitudinal moving seat drives the specimen to move longitudinally. The utility model discloses a sample displacement mechanism is located microscopical below, and when the operator observed the sample through the microscope, on the other hand can be through rotatory coaxial first rotation axis and second rotation axis and drive sample and indulge lateral shifting, makes the sample be in the suitable observation position of microscope, convenient operation. The hand of the operator does not directly move the pressing sheet, so the hand does not pollute the pressing sheet to obscure the observation sample of the microscope, and the damage to the sample caused by the relative displacement of the upper pressing sheet and the lower pressing sheet in the moving process of the sample can be avoided.

Drawings

The invention will be further explained with reference to the drawings:

FIG. 1 is a schematic view of a combination of a specimen displacement mechanism and a microscope;

FIG. 2 is a schematic view of a specimen displacement mechanism;

FIG. 3 is a cross-sectional view of FIG. 2;

FIG. 4 is an enlarged view taken at A in FIG. 3;

fig. 5 is a sectional view taken along line B-B in fig. 4.

The symbols in the drawings illustrate that:

100. a specimen displacement mechanism;

10. a base; 11. the sliding block is arranged on the base and matched with the upper sliding groove of the longitudinal moving seat;

20. longitudinally moving the base; 21. the sliding block is arranged on the longitudinal moving seat and matched with the sliding groove on the transverse moving seat;

30. a traversing seat; 31. a strip-shaped groove; 32. intercepting strips;

40. a longitudinal and transverse adjusting mechanism;

41. a first rotating shaft; 42. a first knob; 43. a driving gear; 44. a driven gear; 45. a threaded rod;

51. a second rotation shaft; 511. an inner shaft; 512. an outer shaft; 513. a radial limiting strip; 52. a second knob; 53. a rack; 54. a gear;

60. a support; 61. an auxiliary frame;

70. a microscope; 71. a base of the microscope.

Detailed Description

Referring to fig. 1, a specimen displacement mechanism is located under a microscope 70, referring to fig. 2, the specimen displacement mechanism includes a base 10, a longitudinal moving seat 20 movably fitted on the base, and a lateral moving seat 30 movably fitted on the longitudinal moving seat, wherein longitudinal and transverse adjusting mechanisms 40 are provided beside the longitudinal moving seat and the lateral moving seat, and the longitudinal and transverse adjusting mechanisms are provided on the base.

As shown in fig. 4, the longitudinal and transverse adjusting mechanism 40 includes a longitudinal adjusting mechanism for driving the longitudinal movement of the longitudinal moving base, and a transverse adjusting mechanism for driving the transverse moving base to transversely move, the longitudinal adjusting mechanism is provided with a first rotating shaft 41, the transverse adjusting mechanism is provided with a second rotating shaft 51, the first rotating shaft is hollow, the second rotating shaft is pivoted in the first rotating shaft, the second rotating shaft has a telescopic function, the second rotating shaft is connected with the transverse moving base through a gear rack mechanism, and the first rotating shaft is connected with the longitudinal moving base through a gear set and a thread transmission mechanism.

The first rotary shaft 41 has a first knob 42 at the rear end thereof, and the second rotary shaft 51 has a second knob 52 at the rear end thereof.

The operator rotates the first knob 42 at the end of the first rotating shaft 41 to drive the longitudinal moving base 20 to move longitudinally on the base 10 through the gear set and the screw transmission mechanism, and the longitudinal moving base drives the transverse moving base 30 thereon to move synchronously. When the longitudinal movement seat moves longitudinally, the moving direction is the axial direction of the first rotating shaft 41, and the second rotating shaft 51 extends or contracts.

The operator rotates the second knob 52 at the rear end of the second rotating shaft 51, and drives the traverse base 30 to laterally displace relative to the longitudinal base 20 through the rack and pinion mechanism.

The specimen is clamped by the upper and lower glass pressing sheets and placed on the transverse moving seat 30, the transverse displacement of the transverse moving seat drives the specimen to transversely move, and the longitudinal displacement of the longitudinal moving seat 20 drives the specimen to longitudinally move. When the operator observes the specimen through the microscope in this manner, the operator rotates the first rotating shaft 41 and the second rotating shaft 52, which are coaxial, with one hand to drive the specimen to move vertically and horizontally, thereby positioning the specimen at an appropriate observation position of the microscope.

The first rotating shaft 41 is pivotally connected to a bracket 60, which is provided on the base 10, at the side of the traverse seat 30 and the vertical moving seat 20, for supporting the vertical and horizontal adjusting mechanism 40.

Referring to fig. 4 and 5, a strip-shaped groove 31 is formed in a side wall of the traverse seat 30, a rack 53 of the rack-and-pinion mechanism is arranged at the bottom of the strip-shaped groove, and a gear 54 of the rack-and-pinion mechanism is installed at the head end of the second rotating shaft 51; the second rotating shaft is composed of an inner shaft 511 and an outer shaft 512, the outer shaft is hollow, the inner shaft is movably matched in the outer shaft, the inner shaft is provided with a radial limiting strip 513, and the inner side wall of the outer shaft is provided with a limiting groove matched with the radial limiting strip. The gear is positioned in the strip-shaped groove and meshed with the rack, and the strip-shaped groove is internally provided with a blocking strip 32 which blocks the gear in the strip-shaped groove. The operator rotates the tail end of the second rotating shaft 51, in fact, the outer shaft 512 is rotated, the outer shaft drives the inner shaft to rotate synchronously through the matching of the limiting strip and the limiting groove, the inner shaft drives the gear 54 at the head end of the inner shaft, and the gear drives the transverse moving seat 30 to move transversely through the rack. When the longitudinal movement seat 20 moves longitudinally, the gear 54 is kept engaged with the rack 53, and the inner shaft 511 moves axially relative to the outer shaft 512, i.e. the second rotating shaft 51 extends or contracts axially.

The gear set comprises a driving gear 43 arranged on the first rotating shaft 41 and a driven gear 44 meshed with the driving gear, the driven gear is pivoted on the bracket 60, and a threaded hole is formed in the middle of the driven gear; the thread transmission mechanism comprises a threaded rod 45 in threaded connection with a threaded hole of the driven gear, the threaded rod penetrates through the support, and the head end of the threaded rod is connected with the longitudinal moving seat 20. The first rotating shaft and the second rotating shaft are in a pivot connection, and the rotation of the second rotating shaft and the rotation of the first rotating shaft are independent of each other. The first rotation axis is rotatory, and driving gear drive driven gear, driven gear are rotatory on the support, and driven gear's screw hole drive threaded rod 45 longitudinal movement, and the threaded rod drives the longitudinal displacement seat longitudinal displacement.

The base 10 is provided with an auxiliary frame 61, the auxiliary frame is located beside the support 60, the first rotating shaft 41 is pivoted on the auxiliary frame, and the tail end of the threaded rod 45 points to the auxiliary frame. Referring to fig. 1, the rip fence 20 is longitudinally displaced to the left side by an amount that can be limited by the base 71 of the microscope; the longitudinal moving seat 20 longitudinally moves towards the right side, and the tail end of the threaded rod 45 can be pressed against the auxiliary frame, so that the longitudinal moving seat can be limited to move towards the right side by the auxiliary frame. Meanwhile, the auxiliary frame can assist the support 60 for stably supporting the longitudinal and lateral adjustment mechanism 40.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. The utility model provides a sample displacement mechanism, includes base (10), the vertical seat (20) that moves of clearance fit on the base, sideslip seat (30) of clearance fit on the vertical seat that moves, the side of vertical seat and sideslip seat is equipped with vertical and horizontal adjustment mechanism (40), and vertical and horizontal adjustment mechanism sets up on the base, and vertical and horizontal adjustment mechanism includes that the drive moves vertical seat longitudinal movement's vertical adjustment mechanism, the horizontal adjustment mechanism of drive sideslip seat lateral shifting, its characterized in that: the longitudinal adjusting mechanism is provided with a first rotating shaft (41), the transverse adjusting mechanism is provided with a second rotating shaft (51), the first rotating shaft is hollow, the second rotating shaft is pivoted in the first rotating shaft, the second rotating shaft has a telescopic function, the second rotating shaft is connected with the transverse moving seat through a gear rack mechanism, and the first rotating shaft is connected with the longitudinal moving seat through a gear set and a thread transmission mechanism.

2. The specimen displacement mechanism of claim 1 wherein: the tail end of the first rotating shaft (41) is provided with a first knob (42), and the tail end of the second rotating shaft (51) is provided with a second knob (52).

3. The specimen displacement mechanism of claim 1 wherein: the first rotating shaft (41) is pivoted on a bracket (60) which is arranged on the base (10).

4. The specimen displacement mechanism of claim 1 wherein: a strip-shaped groove (31) is formed in the side wall of the transverse moving seat (30), a rack (53) of the gear rack mechanism is arranged at the bottom of the strip-shaped groove, and a gear (54) of the gear rack mechanism is arranged at the head end of the second rotating shaft (51); the second rotating shaft is composed of an inner shaft (511) and an outer shaft (512), the outer shaft is hollow, the inner shaft is movably matched in the outer shaft, the inner shaft is provided with a radial limiting strip (513), and the inner side wall of the outer shaft is provided with a limiting groove matched with the radial limiting strip.

5. The specimen displacement mechanism of claim 3 wherein: the gear set comprises a driving gear (43) arranged on the first rotating shaft (41) and a driven gear (44) meshed with the driving gear, the driven gear is pivoted on the bracket (60), and a threaded hole is formed in the middle of the driven gear; the screw transmission mechanism comprises a threaded rod (45) in threaded connection with a threaded hole of the driven gear, the threaded rod penetrates through the support, and the head end of the threaded rod is connected with the longitudinal moving seat (20).

6. The specimen displacement mechanism of claim 5, wherein: an auxiliary frame (61) is arranged on the base (10), the auxiliary frame is positioned beside the support (60), the first rotating shaft (41) is pivoted on the auxiliary frame, and the tail end of the threaded rod (45) points to the auxiliary frame.