CN217345728U - Sample clamp positioning and retraction equipment of paraffin slicer - Google Patents
Sample clamp positioning and retraction equipment of paraffin slicer Download PDFInfo
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- CN217345728U CN217345728U CN202123258513.7U CN202123258513U CN217345728U CN 217345728 U CN217345728 U CN 217345728U CN 202123258513 U CN202123258513 U CN 202123258513U CN 217345728 U CN217345728 U CN 217345728U
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Abstract
The invention relates to the technical field of paraffin slicing, in particular to a sample clamp positioning and retracting device of a paraffin slicer, which comprises an outer shell and a sample fixing device, wherein the sample fixing device comprises a self-retracting device, a screw rod and a positioning mechanism, wherein the self-retracting device is arranged in the outer shell and comprises the screw rod which is arranged at the front part of the self-retracting device; the retraction impact head is arranged at the rear part of the self-retraction device; the sample positioning device comprises a connecting plate, and the back surface of the connecting plate is detachably connected to the front end of the screw rod; the back of the sample clamp is detachably connected to the front of the connecting plate. The shell body is provided with a cover plate, the screw rod penetrates through a through hole in the cover plate, and the sample positioning device and the sample clamp are arranged outside the shell body. The utility model discloses have the location and from the function that contracts, effectively prevent blade and sample contact when the sample clamp resets to protection blade and sample.
Description
Technical Field
The utility model relates to a paraffin section technical field, concretely relates to sample clamp location of paraffin slicer and equipment that contracts.
Background
In the middle of the last century, with the continuous understanding and research of diseases, it was necessary to diagnose diseases from the gross tissues, and more from the change of tissue structure and cells, in addition to the diagnosis of diseases from the gross tissues by naked eyes, which required the biological tissues to be made into thin slices of about 5um to be observed under a microscope, thereby producing a microtome of biological tissues, which were disposed on an embedding frame through paraffin, and then the embedding frame was mounted on a jaw of the embedding frame, and sectioned by a blade.
Paraffin section (Paraffin section) is the most widely used method in routine histological slide-making techniques. Paraffin sections are not only used for observing the morphological structure of normal cell tissues, but also are the main methods used by subjects such as pathology and forensic science to study, observe and judge morphological changes of cell tissues, and have been widely used in the study of other subjects.
The fixed equipment of sample is the important constitution mechanism of slicer, the inner circle is connected with the lead screw usually, the lead screw cooperates with sample fixed equipment, can drive sample fixed establishment when the lead screw rotates and move along the direction of advance, can control the amount of feed of sample fixed establishment at every turn promptly, and when traditional slicer at the during operation, sample fixed equipment can not retract after the sword is cut, at the in-process that sample fixed equipment moved along with removing upward, the blade can contact with the sample, glutinous sword phenomenon appears easily, not only destroy the sample, also reduce the life of blade easily.
SUMMERY OF THE UTILITY MODEL
The utility model also aims to provide a sample clamp positioning and retraction device of the paraffin slicer, which solves the technical problems;
a sample clamp positioning and retracting device of a paraffin slicer, which is characterized by comprising an outer shell and a sample fixing device, wherein the sample fixing device comprises a sample clamp positioning and retracting device,
a self-retracting device arranged inside the outer shell and comprising,
the screw rod is arranged at the front part of the self-retracting device;
the retraction impact head is arranged at the rear part of the self-retraction device;
the sample positioning device comprises a connecting plate, and the back surface of the connecting plate is detachably connected to the front end of the screw rod;
the back of the sample clamp is detachably connected to the front of the connecting plate.
Preferably, a cover plate is arranged on the outer shell, the screw rod penetrates through a through hole in the cover plate, and the sample positioning device and the sample clamp are arranged outside the outer shell.
Preferably, a fixing plate is arranged in the outer shell, the self-retracting device is connected with the fixing plate through an elastic steel bar, one end of the elastic steel bar is connected to the bottom of the back of the fixing plate through a mounting plate, and the other end of the elastic steel bar bypasses the top of the fixing plate and is connected with the retracting impact head on one side of the front of the fixing plate through the mounting plate.
Preferably, a disk spring is arranged between the screw rod and the retraction impact head.
Preferably, a vertical adjusting knob is arranged above the connecting plate, and a horizontal indicating window is arranged on the left side of the vertical adjusting knob.
Preferably, a horizontal adjusting knob is arranged on the right side of the connecting plate.
Preferably, a vertical indicating window is arranged on the left side of the connecting plate, and a locking rod is arranged below the vertical indicating window.
Preferably, a handle is arranged above the sample clamp.
The utility model has the advantages that: due to the adoption of the technical scheme, the utility model discloses a connecting plate makes sample positioning device have the location and the function that contracts of returning from the sample clamp with the impact head that contracts, effectively prevents blade and sample contact when the sample clamp resets to protection blade and sample.
Drawings
FIG. 1 is a schematic view of the connection of a self-retracting device and a sample positioning device and sample holder according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an external structure of a sample holder positioning and retracting device according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a self-retracting device according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a sample positioning device according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a sample holder according to an embodiment of the present invention;
fig. 6 is a schematic view of a fixing plate according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
A sample holder positioning and retracting device of a paraffin slicer includes an outer case 1 and a sample holding device, as shown in FIG. 1, the sample holding device includes,
the self-retracting device 2 is arranged inside the outer shell 1 and comprises,
the screw rod 3 is arranged at the front part of the self-retracting device 2;
the retraction impact head 4 is arranged at the rear part of the self-retraction device 2;
the sample positioning device 5 comprises a connecting plate 6, and the back of the connecting plate 6 is detachably connected with the front end of the screw rod 3;
and the back surface of the sample clamp 7 is detachably connected with the front surface of the connecting plate 6.
In a preferred embodiment, the retraction impact head 4 is connected to an external control end, the control end has a fast-return/fast-out function and a slow-return/slow-out function, and the sample positioning device moves backwards or forwards, and when the sample positioning device moves backwards and automatically returns, the retraction impact head 4 is slightly suspended in the process of retracting and then advancing the sample clamp 7, so that the blade or the paraffin sample is not rubbed in the process of rising, and the adjustment control end further comprises a function key for switching between trimming and slicing, and the selection + and/or-key can adjust the slicing stepping speed.
Further, the outer case 1 is provided with a display panel, and the operation mode can be seen.
In a preferred embodiment, as shown in fig. 2, a cover plate 8 is disposed on the outer shell 1, the screw rod 3 penetrates through a through hole in the cover plate 8, the sample positioning device 5 and the sample clamp 7 are disposed outside the outer shell 1, and in addition, a storage groove is further included above the outer shell 1, so that a paraffin sample or a blade can be conveniently and temporarily placed.
In a preferred embodiment, as shown in fig. 6, a fixing plate 9 is disposed in the housing 1, as shown in fig. 3, the self-retracting device 2 is connected to the fixing plate 9 through an elastic steel bar 10, one end of the elastic steel bar 10 is connected to the bottom of the back surface of the fixing plate 9 through a mounting plate 11, and the other end of the elastic steel bar 10 bypasses the top of the fixing plate 9 and is connected to the retracting impact head 4 through the mounting plate 11 on the front side of the fixing plate 9.
Specifically, a disc spring 12 is provided between the screw rod 3 and the retraction striking head 4.
Specifically, from the anterior inner circle connection lead screw 3 that contracts device 2, lead screw 3 and the cooperation of sample fixed equipment, can drive the sample when lead screw 3 rotates and move along the direction of advance, send appearance mechanism still including being used for making the sample press from both sides the elasticity billet 10 that 7 reset, it is concrete, press from both sides the below at the sample and set up the section blade, it is fixed to keep the section blade, press from both sides 7 as the sample and move down, the blade is sliced to the paraffin sample, because the effect of elasticity billet 10, it rotates to drive the lead screw, and like this, reciprocating motion through the sample presss from both sides, can make sample fixed equipment remove gradually and the blade cooperation of slicer, carry out the operation of cutting a slice.
Specifically, shell body 1 is located the below of sample holder 7 and still is provided with the pallet platform and rubbish groove, conveniently cuts into slices.
In a preferred embodiment, as shown in fig. 4, a vertical adjusting knob 13 is disposed above the connecting plate 6, and a horizontal direction indicating window 14 is disposed at the left side of the vertical adjusting knob 13.
Specifically, a horizontal adjusting knob 15 is provided on the right side of the connecting plate 6.
Specifically, the vertical adjustment knob 13 can adjust the up-down inclination angle of the connection plate 6, and the horizontal adjustment knob 15 can adjust the left-right inclination angle of the connection plate 6.
Specifically, a vertical indicating window 16 is provided on the left side of the connecting plate 6, and a lock lever 17 is provided below the vertical indicating window 16.
Specifically, as shown in fig. 5, a handle 18 is disposed above the sample holder 7, and the size of the opening of the sample holder can be adjusted to be suitable for fixing paraffin samples of different sizes, and the upper side and the lower side of the sample holder are serrated and/or wavy, so as to increase the friction force between the sample holder and the sample.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope and embodiments of the present invention, and it should be appreciated by those skilled in the art that various equivalent and obvious modifications can be made in the present invention and the description and drawings, and all such modifications are intended to be included within the scope and spirit of the present invention.
Claims (8)
1. A sample clamp positioning and retracting device of a paraffin slicer, which is characterized by comprising an outer shell and a sample fixing device, wherein the sample fixing device comprises a sample clamp positioning and retracting device,
a self-retracting device arranged inside the outer shell and comprising,
the screw rod is arranged at the front part of the self-retracting device;
the retraction impact head is arranged at the rear part of the self-retraction device;
the sample positioning device comprises a connecting plate, and the back surface of the connecting plate is detachably connected to the front end of the screw rod;
the back of the sample clamp is detachably connected to the front of the connecting plate.
2. The sample clamp positioning and retraction apparatus according to claim 1, wherein a cover plate is provided on the outer housing, the screw rod passes through a through hole in the cover plate, and the sample positioning device and the sample clamp are disposed outside the outer housing.
3. The apparatus for positioning and retracting the sample holder as claimed in claim 1, wherein a fixing plate is disposed in the housing, the self-retracting device is connected to the fixing plate through an elastic steel rod, one end of the elastic steel rod is connected to the bottom of the back surface of the fixing plate through a mounting plate, and the other end of the elastic steel rod bypasses the top of the fixing plate and is connected to the retracting impact head through the mounting plate on the front side of the fixing plate.
4. The sample holder positioning and retraction apparatus according to claim 1, wherein a belleville spring is disposed between the screw and the retraction striker head.
5. The sample holder positioning and retraction device according to claim 1, wherein a vertical adjustment knob is provided above the connection plate and a horizontal indicator window is provided to the left of the vertical adjustment knob.
6. The sample holder positioning and retraction apparatus according to claim 1, wherein a horizontal adjustment knob is provided on the right side of the connection plate.
7. The sample holder positioning and retraction device according to claim 1, wherein a vertical direction indicating window is provided on the left side of the connection plate, and a lock lever is provided below the vertical direction indicating window.
8. The sample holder positioning and retraction device according to claim 1, wherein a handle is provided above the sample holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123258513.7U CN217345728U (en) | 2021-12-21 | 2021-12-21 | Sample clamp positioning and retraction equipment of paraffin slicer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123258513.7U CN217345728U (en) | 2021-12-21 | 2021-12-21 | Sample clamp positioning and retraction equipment of paraffin slicer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217345728U true CN217345728U (en) | 2022-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123258513.7U Active CN217345728U (en) | 2021-12-21 | 2021-12-21 | Sample clamp positioning and retraction equipment of paraffin slicer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217345728U (en) |
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2021
- 2021-12-21 CN CN202123258513.7U patent/CN217345728U/en active Active
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