CN220945447U - Charging auxiliary device and vacuum glove box - Google Patents

Abstract

The utility model belongs to the technical field of test equipment, and discloses a loading auxiliary device and a vacuum glove box, wherein the loading auxiliary device comprises a bearing assembly, a first handle and a second handle, the bearing assembly comprises an annular bottom plate, a first vertical plate and a second vertical plate, the first vertical plate is provided with a first bearing, the second vertical plate is provided with a second bearing, and the middle part of the annular bottom plate is provided with a soft cushion; the first handle penetrates through the inner ring of the first bearing along the horizontal direction, one end of the first handle is provided with a first enclasping piece, the first handle is provided with a first locking piece, and the first locking piece is used for enabling the first enclasping piece to keep an enclasping state; the second handle runs through the inner ring of the second bearing along the horizontal direction, one end of the second handle is provided with a second enclasping piece, the second handle is provided with a second locking piece, and the second locking piece is used for enabling the second enclasping piece to keep an enclasping state. According to the crucible clamping device, the crucible is clamped from two sides by the first clamping piece and the second clamping piece, so that the charging structure is optimized, and the charging convenience is improved.

Description

Charging auxiliary device and vacuum glove box

Technical Field

The utility model relates to the technical field of test equipment, in particular to a charging auxiliary device and a vacuum glove box.

Background

A vacuum glove box is a laboratory apparatus in which high purity inert gas is filled into a box body and active materials therein are circularly filtered. The inside of vacuum glove box sets up the mechanism of storage material, for example application number CN202222272236.3, the prior art of a vacuum glove box of application name, it includes the transition mechanism that is used for conveying sample transition vacuum environment, be used for supporting and two-way observation's box mechanism and be used for placing temporarily and conveying the mechanism of putting of sample, open outer hatch door earlier and put into the sample that awaits measuring and get into the transition cabin, remove the air in transition cabin and pour into inert gas into, the slide that the sample was put into the storage box after the sample that awaits measuring is inspected finishes, the slide removes along the lead screw, make the sample rise automatically. However, the mechanism for taking and placing the samples in the prior art has a complex structure, small capacity and low reliability of the samples to be measured, and for preparing large-size hygroscopic crystals, a cylindrical crucible is required to be used for loading, the crucible is made of platinum materials, and the platinum crucible is placed in a glove box during loading.

Accordingly, there is a need for a loading aid for a vacuum glove box to solve the above problems.

Disclosure of utility model

One object of the present utility model is to: the charging auxiliary device is provided, the crucible is held tightly from two sides by adopting the first holding piece and the second holding piece, the charging structure is optimized, and the charging convenience is improved.

Another object of the utility model is: and the vacuum glove box is used for loading materials by adopting a loading auxiliary device, so that the crucible is prevented from colliding with the vacuum box.

To achieve the purpose, the utility model adopts the following technical scheme:

in a first aspect, a charge assist device is provided, the charge assist device comprising:

The bearing assembly comprises an annular bottom plate, a first vertical plate and a second vertical plate, wherein the first vertical plate and the second vertical plate are respectively arranged on two sides of the annular bottom plate, the first vertical plate is provided with a first bearing, the second vertical plate is provided with a second bearing, and the middle part of the annular bottom plate is provided with a soft cushion;

The first handle penetrates through the inner ring of the first bearing along the horizontal direction, one end of the first handle is provided with a first enclasping piece, the first enclasping piece is used for approaching from the positive direction of the X axis and enclasping the outer wall of the crucible, the first handle is provided with a first locking piece, and the first locking piece is used for enabling the first enclasping piece to keep an enclasping state;

The second handle penetrates through the inner ring of the second bearing along the horizontal direction, one end of the second handle is provided with a second enclasping piece, the second enclasping piece is used for approaching from the X-axis reverse direction and enclasping the outer wall of the crucible, the second handle is provided with a second locking piece, and the second locking piece is used for enabling the second enclasping piece to keep an enclasping state.

As an optional technical scheme, the first locking member is a first spring, the first spring is sleeved on the periphery of the first handle, and the first spring applies a holding force in the positive direction of the X axis to the first holding member;

And/or the second locking piece is a second spring, the second spring is sleeved on the periphery of the second handle, and the second spring applies a clamping force in the X-axis opposite direction to the second clamping piece.

As an optional technical scheme, the first locking member is a first nut, an external thread is arranged at the periphery of the first handle, the first locking member is in threaded connection with the first handle, and the first locking member is positioned at one side of the first vertical plate, which is close to the crucible;

And/or the second locking piece is a second nut, an external thread is arranged at the periphery of the second handle, the second locking piece is in threaded connection with the second handle, and the second locking piece is positioned at one side of the second vertical plate, which is close to the crucible.

As an optional technical scheme, the first locking member is a first plug pin, a first jack is arranged on the first handle in the radial direction, the first plug pin is inserted into the first jack, and the first plug pin is positioned on one side, close to the crucible, of the first vertical plate;

And/or the second locking piece is a second plug pin, a second jack is arranged on the second handle along the radial direction, the second plug pin is inserted into the second jack, and the second plug pin is positioned on one side of the second vertical plate, which is close to the crucible.

As an optional technical scheme, the first jacks are provided in plurality and are arranged at intervals along the axial direction of the first handle, and the first bolts are alternatively inserted into the first jacks;

And/or the second jacks are provided with a plurality of second jacks, the second jacks are arranged at intervals along the axial direction of the second handle, and the second bolts are alternatively inserted into the second jacks.

As an optional technical solution, one of the first vertical plate and the second vertical plate is provided with a placing rack, and the placing rack is used for bearing the funnel.

As an optional technical scheme, the universal wheel is rotatably arranged at the bottom of the bearing assembly.

As an optional technical scheme, the universal wheel is provided with a brake mechanism.

As an optional technical scheme, the first enclasping member is in a tile-shaped structure, and an inner arc surface of the first enclasping member is adapted to the outer peripheral surface of the crucible;

And/or the second enclasping piece is of a tile-shaped structure, and the inner arc surface of the second enclasping piece is matched with the outer peripheral surface of the crucible.

In a second aspect, a vacuum glove box is provided, the vacuum glove box comprises a vacuum box and a charging auxiliary device as described above, the charging auxiliary device is arranged in the vacuum box, a glove opening and a transition bin are arranged on the side wall of the vacuum box, and the glove opening is provided with gloves.

The utility model has the beneficial effects that:

The utility model provides a loading auxiliary device and a vacuum glove box, wherein the loading auxiliary device comprises a bearing assembly, a first handle and a second handle, the bearing assembly comprises an annular bottom plate, a first vertical plate and a second vertical plate, the first vertical plate and the second vertical plate are respectively arranged on two sides of the annular bottom plate, the first vertical plate is provided with a first bearing, the second vertical plate is provided with a second bearing, a cushion is arranged in the middle of the annular bottom plate, the first handle penetrates through an inner ring of the first bearing in the horizontal direction, one end of the first handle, which is close to the second vertical plate, is provided with a first holding part, the first handle is provided with a first locking part, the second handle penetrates through an inner ring of the second bearing in the horizontal direction, one end of the second handle, which is close to the first vertical plate, is provided with a second holding part, and the second handle is provided with a second locking part. When the crucible is required to be installed on the charging auxiliary device, the crucible is erected on the soft cushion, the soft cushion flexibly supports the crucible, the crucible is prevented from being cracked or deformed due to rigid impact at the bottom of the crucible, after the posture of the crucible is adjusted, one hand of an operator holds the crucible, the other hand drives one of the handles along the horizontal direction, for example, the first handle is driven to be close to the crucible along the positive direction of the X axis, the first holding piece is abutted to the outer wall of the crucible along the positive direction of the X axis, the first locking piece enables the first holding piece to be kept in a holding state, then the second handle is driven to be close to the crucible along the reverse direction of the X axis, and before the crucible is abutted and held by the first holding piece and the second holding piece at the same time, the operator can lift the height of the crucible according to actual needs, so that the crucible is separated from the soft cushion, and the second holding piece holds the second holding piece in a holding state through the second locking piece after holding the outer wall of the crucible along the reverse direction of the X axis, and falling is avoided; the operator loads the crucible with the material, and the crucible is loaded with the material of preset quantity, seals the crucible afterwards, because first handle is supported by first bearing, and the second handle is supported by the second bearing, consequently can rotate the crucible around the X axis, makes crucible aim at the transition storehouse of vacuum glove box, and one of them piece of holding tightly can shift out the transition storehouse with the crucible.

Drawings

The utility model is described in further detail below with reference to the drawings and examples;

FIG. 1 is a front view of a vacuum glove box according to an example;

FIG. 2 is a schematic view of a structure of a charge assist device according to an embodiment;

FIG. 3 is an enlarged view of a portion of the position A of FIG. 2;

FIG. 4 is a schematic view showing a part of the structure of the charge assist device (the first locking member is a first spring) according to the embodiment;

FIG. 5 is a schematic view showing a part of the structure of the charge assist device (the first locking member is a first spring) according to the embodiment;

Fig. 6 is a schematic view of a part of the structure of the charging auxiliary device (the first locking member is a first latch) according to the embodiment.

In the figure:

100. A charging auxiliary device; 200. a vacuum box; 201. a glove opening; 202. a transition bin; 300. a crucible;

101. An annular bottom plate; 102. a first vertical plate; 103. a second vertical plate; 104. a soft cushion; 2. a first handle; 3. a first clasping member; 4. a first locking member; 5. a second handle; 6. a second clasping member; 7. a second locking member; 8. a placing rack; 9. a funnel; 10. a universal wheel; 11. and a brake mechanism.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the operation, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.

In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

Embodiment 1,

As shown in fig. 1 to 3, the present embodiment provides a vacuum glove box, which includes a vacuum box 200 and a loading aid 100, the loading aid 100 is disposed inside the vacuum box 200, a glove opening 201 and a transition bin 202 are disposed on a sidewall of the vacuum box 200, and the glove opening 201 is provided with gloves. In this embodiment, the number of glove ports 201 is two, two glove ports 201 are each provided with a glove, and operation can be performed by one operator, and in other embodiments, the number of glove ports 201 is four, four glove ports 201 are each provided with a glove, and operation can be performed by two operators.

The loading auxiliary device 100 of the present embodiment includes a carrying assembly, a first handle 2 and a second handle 5, the carrying assembly includes an annular bottom plate 101, a first vertical plate 102 and a second vertical plate 103, the first vertical plate 102 and the second vertical plate 103 are respectively installed at two sides of the annular bottom plate 101, the first vertical plate 102 is provided with a first bearing, the second vertical plate 103 is provided with a second bearing, and a cushion 104 is provided in the middle of the annular bottom plate 101; the first handle 2 penetrates through the inner ring of the first bearing along the horizontal direction, one end, close to the second vertical plate 103, of the first handle 2 is provided with a first enclasping piece 3, the first enclasping piece 3 is used for approaching and enclasping the outer wall of the crucible 300 from the positive direction of the X axis, the first handle 2 is provided with a first locking piece 4, and the first locking piece 4 is used for enabling the first enclasping piece 3 to keep an enclasping state; the second handle 5 runs through the inner ring of the second bearing along the horizontal direction, one end of the second handle 5, which is close to the first vertical plate 102, is provided with a second enclasping piece 6, the second enclasping piece 6 is used for being close to and enclasping the outer wall of the crucible 300 from the X-axis reverse direction, the second handle 5 is provided with a second locking piece 7, and the second locking piece 7 is used for enabling the second enclasping piece 6 to keep an enclasping state.

Specifically, when the crucible 300 is required to be mounted on the charging auxiliary device 100, the charging auxiliary device 100 of the embodiment is applied to a vacuum glove box, when the crucible 300 is erected on the soft pad 104, the soft pad 104 flexibly supports the crucible 300 to avoid cracks or deformation caused by rigid impact on the bottom of the crucible 300, after the posture of the crucible 300 is adjusted, an operator holds the crucible 300 by one hand, drives one of the handles along the horizontal direction, for example, drives the first handle 2 to approach the crucible 300 along the positive direction of the X axis, the first holding member 3 abuts against the outer wall of the crucible 300 from the positive direction of the X axis, the first locking member 4 keeps the first holding member 3 in a holding state, then drives the second handle 5 to approach the crucible 300 along the negative direction of the X axis, before the crucible 300 is simultaneously abutted against the holding by the first holding member 3 and the second holding member 6, the operator can lift the height of the crucible 300 according to actual needs, so that the crucible 300 is separated from the soft pad 104, and the second holding member 6 keeps the crucible 300 in a holding state by the second holding member 7 after the second holding member 6 is abutted against the outer wall of the crucible 300 along the negative direction of the X axis; the operator loads the crucible 300 with the material, the crucible 300 is loaded with a preset amount of the material, and then the crucible 300 is sealed, and as the first handle 2 is supported by the first bearing and the second handle 5 is supported by the second bearing, the crucible 300 can be rotated around the X axis, the crucible 300 is aligned with the transition bin 202 of the vacuum glove box, and the crucible 300 can be moved out of the transition bin 202 by loosening one of the clasping members.

In this embodiment, the crucible 300 is a platinum crucible. The crucible 300 carries a material which is water-absorbent crystals.

Optionally, one of the first and second uprights 102, 103 is provided with a rest 8, the rest 8 being adapted to carry the funnel 9.

After the crucible 300 is held tightly by the first holding piece 3 and the second holding piece 6, the funnel 9 is placed on the placing frame 8, materials are poured into the funnel 9 and enter the crucible 300 through the bottom of the funnel 9, the materials are guided by the funnel 9, and the materials can be prevented from falling to the bottom wall of the vacuum box 200.

Optionally, the bottom of the carrier assembly is rotatably mounted with a universal wheel 10 to enable the loading aid 100 to move within the vacuum box 200.

Optionally, the universal wheel 10 is provided with a brake mechanism 11, and the universal wheel 10 is locked by the brake mechanism 11 to limit the movement of the charging auxiliary device 100 in the vacuum box 200.

Optionally, the first enclasping member 3 is in a tile-shaped structure, and an inner arc surface of the first enclasping member 3 is adapted to an outer circumferential surface of the crucible 300, so as to increase a contact area between the first enclasping member 3 and the crucible 300, so as to increase friction force, and ensure that the first enclasping member 3 can enclasp the crucible 300.

In this embodiment, two first clasping members 3 are provided to increase the friction force to the crucible 300, and the two first clasping members 3 are disposed at intervals along the Z-axis direction.

Optionally, the second enclasping member 6 is in a tile-shaped structure, and an inner arc surface of the second enclasping member 6 is adapted to an outer peripheral surface of the crucible 300, so as to increase a contact area between the second enclasping member 6 and the crucible 300, to increase friction force, and to ensure that the second enclasping member 6 can enclasp the crucible 300.

In this embodiment, two second clasping members 6 are provided to increase the friction force to the crucible 300, and the two second clasping members 6 are provided at intervals along the Z-axis direction.

In this embodiment, the first locking member 4 is a first nut, the periphery of the first handle 2 is provided with external threads, the first locking member 4 is in threaded connection with the first handle 2, and the first locking member 4 is located at one side of the first vertical plate 102 close to the crucible 300; the second locking piece 7 is a second nut, an external thread is arranged on the periphery of the second handle 5, the second locking piece 7 is in threaded connection with the second handle 5, and the second locking piece 7 is positioned on one side of the second vertical plate 103 close to the crucible 300.

The charging assisting device 100 of the present embodiment can clamp the crucible 300 with various specifications, when the first holding member 3 abuts against the outer wall of the crucible 300, the operator rotates the first nut to make the first nut abut against the side of the first vertical plate 102 facing the crucible 300, and when the second holding member 6 abuts against the outer wall of the crucible 300, the operator rotates the second nut to make the second nut abut against the side of the second vertical plate 103 facing the crucible 300, thereby avoiding the holding member from being separated from the crucible 300.

Embodiment II,

The difference between the first embodiment and the first embodiment is that the first locking member 4 is a first spring, the first spring is sleeved on the periphery of the first handle 2, and the first spring applies a holding force in the positive direction of the X axis to the first holding member 3; the second locking piece 7 is a second spring, the second spring is sleeved on the periphery of the second handle 5, and the second spring applies a holding force in the opposite direction of the X axis to the second holding piece 6.

As shown in fig. 4, in some cases, the first spring is located on a side of the first riser 102 facing the crucible 300, where one end of the first spring abuts against the first riser 102 and the other end of the first spring abuts against the first handle 2 and connects to one end of the first hug member 3, and the first spring pushes the first handle 2 toward the crucible 300.

In other cases, as shown in fig. 5, the first spring is located on the side of the first riser 102 facing away from the crucible 300, where one end of the first spring abuts the first riser 102 and the other end of the first spring is connected to the end of the first handle 2 facing away from the first hug member 3, and the first spring pulls the first handle 2 toward the crucible 300.

In this embodiment, the position setting and the working principle of the second spring are the same as those of the first spring, and the description of this embodiment is omitted.

Third embodiment,

As shown in fig. 6, the difference between the present embodiment and the first embodiment is that the first locking member 4 is a first plug pin, the first handle 2 is provided with a first insertion hole penetrating radially, the first plug pin is inserted into the first insertion hole, and the first plug pin is located on one side of the first vertical plate 102 close to the crucible 300; the second locking member 7 is a second plug pin, the second handle 5 is provided with a second insertion hole penetrating in the radial direction, the second plug pin is inserted into the second insertion hole, and the second plug pin is located on one side of the second vertical plate 103, which is close to the crucible 300.

When the first hug member 3 hugs the crucible 300, the first plug pin is inserted into the first insertion hole, thereby restricting the movement of the first handle 2 in a direction away from the crucible 300, and when the second hug member 6 hugs the crucible 300, the second plug pin is inserted into the second insertion hole, thereby restricting the movement of the second handle 5 in a direction away from the crucible 300.

Optionally, the first jacks are provided with a plurality of first jacks, the plurality of first jacks are arranged at intervals along the axial direction of the first handle 2, and the first bolts are alternatively inserted into the first jacks. When the crucible 300 with different diameters is needed to be used for containing materials, the sliding distances of the first handle 2 on the first bearing are different, so that a plurality of first jacks are arranged on the first handle 2, and the first bolts are conveniently inserted into the first handle 2 at different positions.

Optionally, the second jacks are provided with a plurality of second jacks, the plurality of second jacks are arranged at intervals along the axial direction of the second handle 5, and the second bolts are alternatively inserted into the second jacks. The purpose and working principle of the second handle 5 for setting the second jack are the same as those of the first handle 2 for setting the first jack, and the embodiment is not described in detail.

Furthermore, the foregoing description of the preferred embodiments and the principles of the utility model is provided herein. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (10)

1. Charging assistance device, characterized in that the charging assistance device (100) comprises:

The bearing assembly comprises an annular bottom plate (101), a first vertical plate (102) and a second vertical plate (103), wherein the first vertical plate (102) and the second vertical plate (103) are respectively arranged on two sides of the annular bottom plate (101), the first vertical plate (102) is provided with a first bearing, the second vertical plate (103) is provided with a second bearing, and a soft cushion (104) is arranged in the middle of the annular bottom plate (101);

The first handle (2) penetrates through the inner ring of the first bearing along the horizontal direction, one end of the first handle (2) is provided with a first enclasping piece (3), the first enclasping piece (3) is used for approaching to and enclasping the outer wall of the crucible (300) from the positive direction of the X axis, the first handle (2) is provided with a first locking piece (4), and the first locking piece (4) is used for enabling the first enclasping piece (3) to keep an enclasping state;

The second handle (5) runs through along the horizontal direction the inner circle of second, the one end of second handle (5) is equipped with second and holds tightly piece (6), second holds tightly piece (6) be used for from X axle opposite direction be close to and hold tightly in the outer wall of crucible (300), second handle (5) are equipped with second retaining member (7), second retaining member (7) are used for making second holds tightly piece (6) keep holding tightly the state.

2. The charging assistance device according to claim 1, characterized in that the first locking member (4) is a first spring, which is fitted around the periphery of the first handle (2), and which applies a holding force in the positive X-axis direction to the first holding member (3);

And/or the second locking piece (7) is a second spring, the second spring is sleeved on the periphery of the second handle (5), and the second spring applies a holding force in the opposite direction of the X axis to the second holding piece (6).

3. The charging assistance device according to claim 1, characterized in that the first locking member (4) is a first nut, an external thread is provided on a peripheral portion of the first handle (2), the first locking member (4) is in threaded connection with the first handle (2), and the first locking member (4) is located on a side of the first riser (102) close to the crucible (300);

And/or the second locking piece (7) is a second nut, an external thread is arranged on the periphery of the second handle (5), the second locking piece (7) is in threaded connection with the second handle (5), and the second locking piece (7) is positioned on one side, close to the crucible (300), of the second vertical plate (103).

4. The auxiliary charging device according to claim 1, characterized in that the first locking member (4) is a first plug, the first handle (2) is provided with a first insertion hole penetrating in the radial direction, the first plug is inserted into the first insertion hole, and the first plug is positioned on one side of the first vertical plate (102) close to the crucible (300);

And/or the second locking piece (7) is a second plug pin, the second handle (5) is provided with a second jack penetrating in the radial direction, the second plug pin is inserted into the second jack, and the second plug pin is positioned on one side, close to the crucible (300), of the second vertical plate (103).

5. The auxiliary charging device according to claim 4, wherein a plurality of first insertion holes are provided, and a plurality of first insertion holes are provided at intervals along the axial direction of the first handle (2), and the first plug pin is alternatively inserted into the first insertion holes;

And/or the second jacks are provided with a plurality of second jacks, the second jacks are arranged at intervals along the axial direction of the second handle (5), and the second bolts are alternatively inserted into the second jacks.

6. The charging assistance device according to claim 1, characterized in that one of the first riser (102) and the second riser (103) is provided with a rack (8), the rack (8) being for carrying a funnel (9).

7. The charging assistance device according to claim 1, characterized in that the bottom of the carrier assembly is rotatably mounted with a universal wheel (10).

8. The charging assistance device according to claim 7, characterized in that the universal wheel (10) is provided with a brake mechanism (11).

9. The charging assistance device according to claim 1, characterized in that the first clasping member (3) is of a tile-like structure, the inner arc surface of the first clasping member (3) being adapted to the outer circumferential surface of the crucible (300);

And/or the second enclasping piece (6) is of a tile-shaped structure, and the inner circular arc surface of the second enclasping piece (6) is matched with the outer circumferential surface of the crucible (300).

10. Vacuum glove box, characterized in that the vacuum glove box comprises a vacuum box (200) and a loading aid (100) according to any one of claims 1-9, the loading aid (100) is arranged inside the vacuum box (200), a glove opening (201) and a transition bin (202) are arranged on the side wall of the vacuum box (200), and the glove opening (201) is provided with gloves.