CN212023328U

CN212023328U - Sample holds device

Info

Publication number: CN212023328U
Application number: CN202020428855.5U
Authority: CN
Inventors: 沈圣成; 陈国新; 卢焕明; 李明; 管建敏
Original assignee: Ningbo Institute of Material Technology and Engineering of CAS
Current assignee: Ningbo Institute of Material Technology and Engineering of CAS
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-11-27
Anticipated expiration: 2030-03-27

Abstract

The utility model discloses a sample holds device belongs to test equipment technical field, can solve prior art sample and hold the problem that the device can not automatic switching. The device comprises: the box body comprises a first end and a second end which are opposite, and the first end of the box body is provided with an opening area; the sliding table can be placed into the box body from the opening area; the sliding table is provided with a sample groove for placing a sample to be detected and can slide in the box body; when the sliding table slides to the first position, the top wall of the box body and the side wall of the sample groove enclose a first sealing area; a second sealing area is encircled by the second end of the box body and the side wall of the sample groove far away from the opening area; and an exhaust hole is formed in the side wall of the box body, which is used for enclosing a second sealing area, and a hole plug is arranged on the exhaust hole. The utility model is used for hold the sample.

Description

Sample holds device

Technical Field

The utility model relates to a sample holds device belongs to test equipment technical field.

Background

With the continuous development of science and technology, the requirements on the performance of materials are higher and higher, and in order to solve various performances of materials, a sample to be tested needs to be prepared and then the sample to be tested needs to be analyzed and tested. In practice, many materials such as lithium batteries are very sensitive to air or moisture, and the cutting preparation and measurement from the sample to be measured need to be kept in vacuum or under the protection of inert gas all the time to prevent the sample to be measured from contacting with air, moisture and the like.

At present, a sample to be detected is kept in vacuum or protected by inert gas, the sample is placed in a vacuum transfer box, and after the sample is placed in an operation device, the opening and closing of the vacuum transfer box are realized through a control system, a transmission system, a motor and the like, so that the automatic opening and closing of a sample containing device cannot be realized in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sample holds device can solve prior art sample and hold the problem that the device can not automatic switching.

The utility model provides a sample holds device, include: a cartridge body including first and second opposite ends, the first end of the cartridge body having an open region; the sliding table can be placed into the box body from the opening area; the sliding table is provided with a sample groove, the sample groove is used for placing a sample to be detected, and the sliding table can slide in the box body; when the sliding table slides to a first position, the top wall of the box body and the side wall of the sample groove enclose a first sealing area; a second end of the box body and the side wall of the sample groove far away from the opening area enclose a second sealing area; and the side wall of the box body, which is used for enclosing the second sealing area, is provided with an exhaust hole, and the exhaust hole is provided with a hole plug.

Optionally, the two opposite ends of the sliding table along the sliding direction are respectively provided with a first sealing ring in a sleeved mode, and the first sealing rings are used for sealing the contact part of the sliding table and the inner wall of the box body.

Optionally, the box body is cubic.

Optionally, the depth of the sample groove is selected from any value in the range of 0mm to 20 mm.

Optionally, the box body includes a limit stop located at the first end, and the limit stop is used for limiting the position of the sliding table on the box body.

Optionally, the box body, the sliding table and the hole plug are all made of non-magnetic materials.

Optionally, the box body, the sliding table and the hole plug are all made of aluminum materials or copper materials.

Optionally, the device further comprises a second sealing ring sleeved on the sidewall of the hole plug, wherein the second sealing ring is used for sealing the contact part of the hole plug and the exhaust hole.

Optionally, four corners of a cross section of the sliding table in the direction perpendicular to the sliding direction are all arc-shaped; the four-corner shape of the cross section of the inner cavity of the box body in the direction vertical to the sliding direction is matched with the arc shape.

Optionally, the surface of the outer wall of the sliding table, which is in contact with the inner wall of the box body, is a smooth surface.

The utility model discloses the beneficial effect that can produce includes:

the utility model provides a sample holds device, through setting up box body and slip table, the box body can be put into from the open region to the slip table, sets up the sample groove on the slip table and places the sample that awaits measuring, and the slip table can slide in the box body, and when the roof that the slip table slided the box body and the lateral wall of sample groove encloses into first sealed area, the sample that awaits measuring is sealed, not with contact such as air, moisture, when the slip table slided the sample that awaits measuring and exposes from the open region of box body first end, the sample of operatable. Compare in prior art, the open region is kept away from through the sample cell in the device to this application and the lateral wall outside that is close to the open region forms different atmospheric pressure differences, controls the slip table and slides in the box body to realized that the sample holds the automatic of the sample cell of device and opened and shut, moreover the utility model discloses simple structure, it is with low costs, easily promote.

Drawings

Fig. 1 is a schematic view of a sample holding device according to an embodiment of the present invention;

fig. 2 is a schematic view of a box body provided in an embodiment of the present invention;

fig. 3 is the embodiment of the present invention provides a sliding table schematic diagram.

Detailed Description

The present invention will be described in detail with reference to the following examples, but the present invention is not limited to these examples.

The embodiment of the utility model provides a sample holds device, as shown in fig. 1 ~ 3, include: the box body 1, the box body 1 includes relative first end and second end, the first end of the box body 1 has open area; the sliding table 2 can be placed into the box body 1 from the opening area; a sample groove 21 is formed in the sliding table 2, the sample groove 21 is used for placing a sample to be detected, and the sliding table 2 can slide in the box body 1; when the sliding table 2 slides to the first position, the top wall of the box body 1 and the side wall of the sample groove 21 enclose a first sealing area; a second end of the box body 1 and the side wall of the sample groove 21 far away from the opening area enclose a second sealing area; the side wall of the box body 1, which is used for enclosing a second sealing area, is provided with an exhaust hole 11, and the exhaust hole 11 is provided with a hole plug 3.

Wherein, box body 1 can be the cube, the cylinder, the halfcylinder, shapes such as prism, the embodiment of the utility model provides a do not injectd to this. Preferably, the case 1 is a cube, which is easy to manufacture and can be stably placed, so that the whole device is more stable in use.

When the sliding table 2 slides to the first position, the top wall of the box body 1 and the side wall of the sample groove 21 surround to form a first sealing area, and at the moment, a sample to be detected is sealed in the sample groove 21 and is not influenced by air, moisture and the like.

The second end of the box body 1 and the side wall of the sample groove 21 far away from the opening area are encircled to form a second sealing area, and the second sealing area is used for storing gas, so that the pressure of the side wall of the sample groove 21 far away from the opening area and the pressure of the outer side of the side wall close to the opening area are adjusted, and the sliding of the sliding table 2 is adjusted.

In practical application, the volume of the second sealing area is greater than or equal to the sum of the volumes of the sliding table and the first sealing area, so that the second sealing area stores gas with enough volume, and the sliding table 2 can be pushed by thrust force formed by the pressure difference between the second sealing area and the external environment.

The working process of the device is as follows: the sliding table 2 is put into the box body 1 from the opening area of the box body 1, inert gas is filled into a sealed box (such as a glove box), the device is put into the sealed box, a sample to be tested is put into the sample groove 21, the hole plug 3 is screwed off, the sliding table 2 is slid to a first position, the top wall of the box body 1 and the side wall of the sample groove 21 surround a first sealed area, the sample to be tested is positioned in the first sealed area and is sealed, the second end of the box body 1 and the side wall of the sample groove 21 far away from the opening area surround a second sealed area, the vent hole 11 is used for discharging part of gas pushed out from the second sealed area in the process of sliding the sliding table 2 to the first position, after the sliding table 2 is slid to the first position, the vent hole 3 is used for plugging the vent hole 11, the air pressure outside the side wall of the sample groove 21 far away from the opening area and the side wall near the opening area is balanced, the sample, then the device is taken out of the sealed box. Afterwards install this device on the base of operating means (such as focused ion beam electron microscope, transmission electron microscope, scanning electron microscope etc.) and fixed, carry out the evacuation to operating means, the lateral wall outside that sample cell 21 kept away from the open region and was close to the open region forms the atmospheric pressure difference, and slip table 2 roll-off first position this moment, the sample that awaits measuring in the sample cell 21 exposes from the open region of box body 1 first end, can operate (such as cutting, observation appearance etc.) to the sample that awaits measuring. After the operation is finished, inert gas is filled into the operation equipment, the pressure difference is formed again on the outer sides of the side walls of the sample groove 21 far away from the opening area and the side walls close to the opening area, the sliding table 2 slides into the first position to form a first sealing area, the sample to be detected is sealed again, and then the device is taken out of the operation equipment and placed back into the sealing box. In the whole process, the sample to be detected is in a sealed state, so that the sample to be detected is prevented from contacting with air, moisture and the like.

In practical application, as shown in fig. 1 and 3, the two opposite ends of the sliding table 2 in the sliding direction are respectively provided with a first sealing ring 4 in a sleeved mode, and the first sealing rings 4 are used for sealing the contact part of the sliding table 2 and the inner wall of the box body 1, so that the sealing performance of the device is guaranteed, and the protection capability of a sample to be tested is high.

Alternatively, the depth of the sample groove 21 may be selected from any value in the range of 0mm to 20 mm. Wherein 0mm is excluded, and 20mm is included. The height is set, so that the tested sample can be better treated after the device is placed in the operating equipment.

As shown in fig. 1 and 2, the box body 1 includes a limit stop 5 located at the first end, and the limit stop 5 is used for limiting the position of the sliding table 2 on the box body 1, so as to prevent the sliding table 2 from sliding out of the device and causing damage to the operating device. When the limit stop 5 is integrally arranged with the box body 1, the limit stop 5 can be the end surface of the first end of the box body 1; when limit stop 5 and 1 components of a whole that can function independently of box body set up, limit stop 5 can be for standing on the baffle on 1 bottom surface of box body, the embodiment of the utility model provides a do not injectd limit stop 5's the mode of setting up.

Optionally, the box body 1, the sliding table 2 and the hole plug 3 are made of non-magnetic materials, so that the device can be used on more operating devices, and the application range is wider. Preferably, the box body 1, the sliding table 2 and the hole plug 3 are all made of aluminum materials or copper materials, and because the aluminum materials or the copper materials are easy to obtain, the manufacturing cost of the whole device can be reduced.

In practical application, the device further comprises a second sealing ring 6 sleeved on the side wall of the hole plug 3, and the second sealing ring 6 is used for sealing the contact part of the hole plug 3 and the exhaust hole 11, so that the sealing performance of the exhaust hole 11 is ensured.

Four corners of the cross section of the sliding table 2 perpendicular to the sliding direction are all arc-shaped; the four-angle shape of the section of the inner cavity of the box body 1 in the vertical sliding direction is matched with the arc shape, and the arc shape can enable the sliding table 2 to slide in the box body more easily.

Optionally, the surface of the outer wall of the sliding table 2 contacting the inner wall of the box body 1 is a smooth surface. The smooth surface makes it easier for the slide table 2 to slide within the case 1.

Although the present application has been described with reference to a few embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application as defined by the appended claims.

Claims

1. A sample containment device, comprising:

a cartridge body including first and second opposite ends, the first end of the cartridge body having an open region;

the sliding table can be placed into the box body from the opening area; the sliding table is provided with a sample groove, the sample groove is used for placing a sample to be detected, and the sliding table can slide in the box body; when the sliding table slides to a first position, the top wall of the box body and the side wall of the sample groove enclose a first sealing area; a second end of the box body and the side wall of the sample groove far away from the opening area enclose a second sealing area; and the side wall of the box body, which is used for enclosing the second sealing area, is provided with an exhaust hole, and the exhaust hole is provided with a hole plug.

2. The sample holding device according to claim 1, wherein first sealing rings are respectively sleeved at two opposite ends of the sliding table in the sliding direction, and the first sealing rings are used for sealing the contact part of the sliding table and the inner wall of the box body.

3. The sample containment apparatus of claim 1, wherein the cartridge body is cubic.

4. The sample containment apparatus of claim 1, wherein the depth of the sample well is selected from any value in the range of 0mm to 20 mm.

5. The sample containment apparatus of claim 1, wherein the cassette body includes a limit stop at the first end for limiting a position of the slide on the cassette body.

6. The sample containment apparatus of claim 1, wherein the cartridge body, the slide, and the plug are all non-magnetic materials.

7. The sample-containing device of claim 6, wherein the cartridge body, the slide, and the plug are all aluminum or copper materials.

8. The sample containment device of claim 1, further comprising a second sealing ring disposed about a sidewall of the plug, the second sealing ring sealing a portion of the plug in contact with the vent hole.

9. The specimen container according to claim 1, wherein four corners of a cross section of the slide table in a direction perpendicular to the sliding direction are each arc-shaped;

the four-corner shape of the cross section of the inner cavity of the box body in the direction vertical to the sliding direction is matched with the arc shape.

10. The sample holding apparatus according to claim 1, wherein the surfaces of the outer wall of the slide table which contact the inner wall of the case body are smooth surfaces.