CN217387132U - Quantum chip packaging box pre-tightening mechanism - Google Patents

Abstract

The application discloses quantum chip packaging box pretension mechanism, quantum chip packaging box include detachable box body and lid, quantum chip packaging box pretension mechanism including set up in support element on the box body, and with the force application component that support element connects, force application component with the lid butt is in order to inject the lid with the relative position of box body, in this application, through setting up force application component and installing the support element on the box body, under support element's cooperation, force application component and lid butt can apply the pretightning force to the lid, compress tightly lid and box body to make lid and box body can keep relatively fixed, avoid at the in-process of installation fastener, lid and box body produce relative displacement, help the installation of the fastener of lid and box body.

Description

Quantum chip packaging box pre-tightening mechanism

Technical Field

The application belongs to the technical field of quantum chips, and particularly relates to a quantum chip packaging box pre-tightening mechanism.

Background

Quantum computers are physical devices that perform high-speed mathematical and logical operations, store and process quantum information in compliance with the laws of quantum mechanics. The quantum chip is used as a core component of a quantum computer, and the test and the operation of the quantum chip are required to be carried out under a specific environment. In the center of the prior art, after the quantum chip is manufactured, the quantum chip is usually packaged by using a packaging box.

The quantum chip packaging box generally comprises a box cover and a box body which can be separated from each other, in the prior art, the box cover and the box body are generally connected together by using a fastener, however, in the process of installing the fastener, the box cover and the box body are easy to generate relative displacement, and the installation of the fastener is influenced.

It is noted that the information disclosed in this background section is only for enhancement of understanding of the general background of the application and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

The application aims to provide a pre-tightening mechanism to overcome the defects in the prior art, and provides the pre-tightening mechanism for the quantum chip packaging box.

The embodiment of the application provides a quantum chip packaging box preloading mechanism, and quantum chip packaging box includes detachable box body and lid, quantum chip packaging box preloading mechanism includes:

a support member disposed on the case body;

a force application member coupled to the support member, the force application member defining a relative position of the cassette lid and the cassette body.

The quantum chip packaging box pre-tightening mechanism comprises the following components in parts by weight:

the connecting piece is fixed on the box body;

the supporting plate is connected with the connecting piece in a sliding mode, and the force application element is arranged on the supporting plate.

The pre-tightening mechanism for the quantum chip packaging box comprises a force application element, wherein the force application element comprises a tightening bolt, the tightening bolt penetrates through the supporting plate and is in threaded connection with the supporting plate, and the tightening bolt is abutted to the box cover.

The quantum chip packaging box pre-tightening mechanism is characterized in that the jacking bolt is perpendicular to the plane where the box cover is located.

The quantum chip packaging box pre-tightening mechanism is characterized in that the jacking bolts are distributed along the boundary of the surface of the box cover.

The quantum chip packaging box pre-tightening mechanism is characterized in that a pressing plate is arranged between the jacking bolt and the box cover.

The pre-tightening mechanism for the quantum chip packaging box comprises a box cover, a box cover and a tightening bolt, wherein the box cover is arranged between the box cover and the tightening bolt, and the box cover is kept stable by the matching of the box cover and the tightening bolt.

The quantum chip packaging box pre-tightening mechanism comprises:

the supporting frame is used for supporting the box cover;

and the spring bolt penetrates through the supporting plate, and the bearing frame is connected with the supporting plate through the spring bolt.

The quantum chip packaging box pre-tightening mechanism is characterized in that the box cover is provided with a boss matched with the bearing frame.

Compared with the prior art, this application provides a quantum chip packaging box pretension mechanism, quantum chip packaging box include detachable box body and lid, quantum chip packaging box pretension mechanism including set up in support element on the box body, and with the application of force component that support element connects, application of force component with the lid butt is in order to inject the lid with the relative position of box body, in this application, through setting up application of force component and installing the support element on the box body, under support element's cooperation, utilize application of force component to apply the pretightning force to the lid, compress tightly lid and box body to make lid and box body can keep relatively fixed, avoid at the in-process of installation fastener, lid and box body produce relative displacement, help the installation of the fastener of lid and box body.

Drawings

FIG. 1 is a schematic structural diagram of a quantum chip packaging box;

FIG. 2 is an exploded view of a quantum chip packaging box pre-tightening mechanism provided by the present application;

fig. 3 is a schematic view illustrating installation of a screw connecting a box cover and a box body in a quantum chip packaging box pre-tightening mechanism provided by the present application;

FIG. 4 is an assembly view of a support plate in a pre-tightening mechanism of a quantum chip packaging box provided by the present application;

FIG. 5 is a schematic structural view of a support bracket in a pre-tightening mechanism of a quantum chip packaging box provided by the present application;

fig. 6 is a schematic structural view of a support frame in a quantum chip packaging box pre-tightening mechanism provided by the present application.

Description of reference numerals:

1-box body, 2-box cover, 3-connecting piece, 4-supporting plate, 5-tightening bolt, 6-pressing plate, 7-bearing frame, 8-spring bolt and 9-screw.

Detailed Description

The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the embodiments of the present application will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in the examples of the present application, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments. The following embodiments are divided for convenience of description, and should not constitute any limitation to the specific implementation manner of the present application, and the embodiments may be mutually incorporated and referred to without contradiction.

It should be noted that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of this application and the above-described drawings, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The quantum chip is used as a core component of a quantum computer, and the test and the operation of the quantum chip are required to be carried out under a specific environment. In the center of the prior art, after the quantum chip is manufactured, the quantum chip is usually packaged by using a packaging box. The quantum chip packaging box generally comprises a box cover and a box body which can be separated from each other, in the prior art, the box cover and the box body are generally connected together by using a fastener, for example, threaded holes are respectively formed in corresponding positions of the box cover and the box body, a screw is used as the fastener, the box cover and the box body can be tightly installed together, and in the process of installing the fastener (such as the screw), the box cover and the box body are not well fixed, so that the relative displacement is easily generated in the installation process of the box cover and the box body, and the installation of the fastener is influenced.

FIG. 1 is a schematic structural diagram of a quantum chip packaging box;

FIG. 2 is an exploded view of a quantum chip packaging box pre-tightening mechanism provided by the present application;

fig. 3 is a schematic view illustrating installation of a screw connecting a case cover and a case body in a quantum chip packaging case pre-tightening mechanism provided by the present application.

Fig. 1 is an exploded schematic view of a quantum chip packaging box pre-tightening mechanism provided by the present application.

With reference to fig. 1, fig. 2, and fig. 3, in the quantum chip packaging box pre-tightening mechanism provided in the embodiment of the present application, the quantum chip packaging box is used for packaging a quantum chip, the quantum chip packaging box includes a detachable box body 1 and a box cover 2, and the quantum chip packaging box pre-tightening mechanism includes:

the supporting element is disposed on the box body 1, for example, the supporting element is detachably mounted on the box body 1, and in particular, the supporting element can be fixed on the box body 1 by different manners, including but not limited to: in order to fix the supporting element on the box body 1 by screws, threaded holes for fixing can be correspondingly arranged on the supporting element and the box body 1;

the force application element is connected with the supporting element, the force application element is abutted to the box cover 2 to limit the relative position of the box cover 2 and the box body 1, the supporting element is used for providing supporting force for the force application element, and pretightening force is applied to the box cover 2 by the force application element to enable the box cover 2 to be tightly combined with the box body 1, so that the box cover 2 and the box body 1 can be kept relatively stable, and the relative displacement between the box cover 2 and the box body 1 is avoided.

In order to effectively fix the box cover 2 and the box body, the box cover 2 and the box body 1 are usually connected together by using a fastener, in this embodiment, before the fastener for connecting the box cover 2 and the box body is installed, a force application element and a support element installed on the box body 1 are arranged, the support element is used to provide a support force for the force application element, under the cooperation of the support element, the force application element is abutted against the box cover 2, a pretightening force can be applied to the box cover 2 to press the box cover 2 and the box body 1, so that the box cover 2 and the box body 1 can be kept relatively fixed, the relative displacement between the box cover 2 and the box body 1 in the process of installing the fastener is avoided, and the installation of the fastener of the box cover 2 and the box body 1 is facilitated, in this application, the pretightening force is applied by using the support element and the force application element to temporarily fix the box cover 2 and the box body 1, so as to facilitate the installation of the fastener of the box cover 2 and the box body 1, after the fastener is installed, the box cover 2 and the box body 1 are well fixed, the supporting element and the box body 1 can be separated, and the supporting element and the force application element are detached.

It should be noted that, in this embodiment, the box cover 2 is detachably connected to the box body 1, and in specific implementation, the lid 2 can be fixed to the body 1 in different ways, for example, by fastening the lid 2 to the body 1 with fasteners, the fastening means include, but are not limited to, screws 9, and the box cover 2 is fixed to the box body 1 by the screws 9, and for this purpose, threaded holes for fixing can be correspondingly arranged on the box cover 2 and the box body 1, correspondingly, in order to facilitate the installation of the screw 9 for connecting the box cover 2 and the box body 1, the supporting element is correspondingly provided with a through hole for the screw 9 to pass through, during the process of installing the screw 9, the screw 9 can be installed on the box cover 2 and the box body 1 through the through hole, and the assembly of the screw 9 is prevented from being influenced by the blocking of the supporting element.

It should be noted that, the present application can be used to temporarily fix the box cover 2 and the box body 1 in a vacuum environment, the quantum chip packaging box pre-tightening mechanism provided by the application can be matched with a quantum chip packaging box with a sealing function to realize the sealing packaging of the quantum chip, and particularly, when the quantum chip is required to be sealed and packaged, the box cover 2 and the box body 1 provided with the quantum chip are placed in a vacuum environment, the box cover 2 and the box body 1 are temporarily fixed by applying pretightening force through the supporting element and the force application element, the box cover 2 is tightly combined with the box body 1, the box cover 2 and the box body 1 can continuously keep a vacuum state, the box cover 2 and the box body 1 which are tightly combined are taken out from a vacuum environment, and the fastening piece is installed again, so that the box cover 2 and the box body 1 are kept fixed for a long time, and the sealing and packaging of the quantum chip are realized.

Fig. 4 is an assembly view of a support plate in a quantum chip packaging box pre-tightening mechanism provided by the present application.

In some embodiments of the present application, as shown in fig. 2 and fig. 4, the supporting element includes:

the connecting piece 3 is fixed on the box body 1, illustratively, in a specific manner, the connecting piece 3 is detachably mounted on the box body 1, specifically, a stud is arranged at an end of the connecting piece 3, a threaded hole matched with the stud is processed on the box body 1, and the connecting piece 3 and the box body 1 can be tightly connected together by using the stud at the end of the connecting piece 3 and the threaded hole matched with the stud;

the force application element is arranged on the support plate 4, the support plate 4 is parallel to the plane where the box cover 2 is located, illustratively, the number of the connecting pieces 3 is four, the connecting pieces 3 are distributed on the box body 1 in a rectangular shape, the connecting pieces 3 are cylindrical, a V-shaped groove is processed on the connecting pieces 3, a chute matched with the V-shaped groove is processed on the support plate 4, one end of the chute is opened, the V-shaped groove of the connecting piece 3 can enter the chute from the opening of the chute, the support plate 4 can slide back and forth by the chute to adjust the relative position of the support plate 4 and the connecting pieces 3, so as to achieve the purpose of adjusting the relative position of the force application element and the box cover 2 and help to apply pre-tightening force to the box cover 2 before the force application element applies pre-tightening force to the box cover 2, the force applying element is moved into position.

In this embodiment, by providing the supporting plate 4 slidably connected to the connecting member 3, the force application element is mounted on the supporting plate 4, and the relative position between the supporting plate 4 and the connecting member 3 can be slidably adjusted, so as to adjust the relative position between the force application element and the box cover 2, which is helpful to move the force application element to a proper position before the force application element applies a pre-tightening force to the box cover 2, so that the force application element applies a pre-tightening force to the box cover 2.

In some embodiments of this application, force application component includes puller bolt 5, puller bolt 5 runs through backup pad 4 and with 4 threaded connection of backup pad, puller bolt 5 with 2 butts of lid utilize puller bolt 5 to the pretightning force is applyed to lid 2, and is exemplary, a concrete mode does, the middle part processing of backup pad 4 have with puller bolt 5 matched with screw hole, puller bolt 5 install in the screw hole, the tail end of puller bolt 5 with 2 butts of lid, through clockwise or anticlockwise rotation puller bolt 5, can drive puller bolt 5 for lid 2 reciprocates to conveniently adjust and apply the size of the pretightning force on lid 2.

In this embodiment, set up puller bolt 5 in backup pad 4, puller bolt 5's tail end with 2 butts of lid, utilize puller bolt 5 can to the pretightning force is applyed to lid 2, through clockwise or anticlockwise rotation puller bolt 5, can drive puller bolt 5 for lid 2 reciprocates, thereby conveniently adjusts and is applyed the size of the pretightning force on lid 2 to can adjust the dynamics that compresses tightly of lid 2 through the screw in degree of depth of control puller bolt 5.

It needs to explain very much, in order to improve puller bolt 5's stability, the installation piece has on backup pad 4, the installation piece with backup pad 4 integrated into one piece, the installation piece is located backup pad 4 deviates from the one side of lid 2, puller bolt 5 runs through the installation piece and extends to backup pad 4 and deviates from one side of installation piece, and puller bolt 5 and installation piece threaded connection, through setting up the installation piece, increased puller bolt 5 and backup pad 4 contact part's length, make puller bolt 5 with it is inseparabler to connect between backup pad 4 to puller bolt 5's stability has been improved greatly.

In some embodiments of this application, the tight bolt 5 in top is perpendicular to the plane at lid 2 place, it is concrete, the tight bolt 5 in top install perpendicularly in on the backup pad 4, backup pad 4 with the plane at lid 2 place is parallel, the tight bolt 5 in top can be perpendicular to the pretightning force is applyed to lid 2, avoids producing the planar component force that is on a parallel with lid 2 place when applying the pretightning force to lid 2, has guaranteed lid 2 with the stability of box body 1 prevents that lid 2 and box body 1 from producing relative slip.

It should be particularly noted that if the tightening bolt 5 is not arranged perpendicular to the box cover 2, when a pre-tightening force is applied to the box cover 2, a component force parallel to the plane of the box cover 2 is generated to push the box cover 2 to move, so that the box cover 2 and the box body 1 slide relatively, in this embodiment, the tightening bolt 5 is arranged in a direction perpendicular to the box cover 2, so that the tightening bolt 5 can apply the pre-tightening force to the box cover 2 in the perpendicular direction, thereby avoiding a component force parallel to the plane of the box cover 2 when the pre-tightening force is applied to the box cover 2, and preventing the box cover 2 and the box body 1 from sliding relatively.

In some embodiments of the present application, the tightening bolts 5 are distributed along the boundary of the surface of the box cover 2, for example, in a specific manner, the tightening bolts 5 are multiple, and according to the shape of the box cover 2, the tightening bolts 5 are distributed along the boundary of the surface of the box cover 2, so that the contact portion between the tightening bolts 5 and the box cover 22 is located at the position where the surface of the box cover 2 is close to the edge, thereby preventing the box cover 2 from bending and deforming due to uneven stress.

It should be noted that, under the condition of only setting one tightening bolt 5, the central position of the box cover 2 is usually selected as a force application point, and the tightening bolt 5 contacts with the central position of the box cover 2 to apply a pre-tightening force, so that the box cover 2 and the box body 1 are relatively fixed, and the relative displacement between the box cover 2 and the box body 1 is avoided, however, because the force application point is located in the middle of the box cover 2, the box cover 2 is easy to deform, and particularly, after the device is repeatedly used for a long time, the bending deformation of the box cover 2 is very easy to result, in this embodiment, by setting a plurality of tightening bolts 5, and the tightening bolts 5 are distributed along the boundary of the surface of the box cover 2, so that each force application point is distributed at the position close to the edge of the surface of the box cover 2, the force application of the box cover 2 is more uniform, the risk of deformation of the box cover 2 is greatly reduced, and the tightening bolts 5 are distributed at the boundary of the surface of the box cover 2, the box cover 2 and the box body 1 can be combined more closely, and the gap between the box cover 2 and the box body 1 is reduced as much as possible.

In some embodiments of the application, puller bolt 5 with be provided with clamp plate 6 between the lid 2, exemplary, a concrete mode does, utilize puller bolt 5 to before lid 2 applys the pretightning force, arrange puller bolt 5 in with clamp plate 6 with between the lid 2, make clamp plate 6 cover in on the lid 2, rotatory puller bolt 5 again makes puller bolt 5 and 6 butts of clamp plate, and the pretightning force that puller bolt 5 applyed passes through clamp plate 6 and transmits to lid 2, utilizes clamp plate 6 to play the effect of protection lid 2, avoids puller bolt 5 direct and lid 2 contact damage lid 2 of lid, and, through setting up clamp plate 6, can make the pretightning force evenly dispersed that puller bolt 5 applyed on lid 2, makes lid 2 atress more even.

In this embodiment, through lid 2 with set up clamp plate 6 between the tight bolt in top 5, tight bolt in top 5 not with 2 direct contact of lid, and direct and 6 contacts of clamp plate, on the one hand, can play the effect of protection lid 2 through setting up clamp plate 6, the pretightning force that tight bolt in top 5 was exerted passes through clamp plate 6 and transmits to lid 2, avoids tight bolt in top 5 direct and 2 contacts of lid to damage lid 2, and on the other hand, utilize clamp plate 6 can make the pretightning force homodisperse that tight bolt in top 5 was exerted on lid 2, makes lid 2 atress more even.

Fig. 5 is a schematic structural diagram of a support bracket in a quantum chip packaging box pre-tightening mechanism provided by the present application.

Combine as shown in figure 5, in some embodiments of this application, still include the support bracket, the support bracket is used for the bearing lid 2, lid 2 be located support bracket with between the puller bolt 5, support bracket with 4 elastic connection of backup pad, the support bracket with puller bolt 5 cooperatees and makes lid 2 remain stable, exemplarily, a concrete mode does, support bracket elastic mounting in backup pad 4 orientation one side of box body 1, lid 2 is arranged in on the support bracket, makes lid 2 keep relatively stable, continuously rotates puller bolt 5, utilizes puller bolt 5 to lid 2 exerts pressure, makes lid 2 move towards the direction of box body 1, finally makes lid 2 and box body 1 combine closely, is convenient for install the fastener of lid 2 and box body 1.

In this embodiment, through setting up the support bracket of installing in backup pad 4, utilize the support bracket bearing lid 2, the support bracket with 4 elastic connection of backup pad, when needs are installed lid 2 is time-consuming, arrange lid 2 in on the support bracket, utilize the support bracket do lid 2 provides the support, rotatory puller bolt 5 makes puller bolt 5 and 2 butts of lid, makes lid 2 can remain stable, when needs make lid 2 and box body 1 closely combine together, lasts rotatory puller bolt 5, utilize puller bolt 5 to lid 2 exerts pressure, makes lid 2 move towards the direction of box body 1, finally makes lid 2 and box body 1 combine together, and at this moment, be convenient for install the fastener of lid 2 and box body 1.

In some embodiments of the present application, the support bracket comprises:

the bearing frame 7 is used for bearing the box cover 2, the box cover 2 is arranged on the bearing frame 7, and the bearing frame 7 is used for supporting the box cover 2, so that the box cover 2 can be kept stable, illustratively, a specific mode is that a bulge part is processed on the inner side wall of the bearing frame 7, the box cover 2 is positioned in the bearing frame 7, and the bulge part is clamped with the boundary part of the surface of the box cover 2, so that the box cover 2 and the bearing frame 7 are kept relatively fixed, and the function of bearing and fixing the box cover 2 is realized;

the spring bolt 8 that runs through backup pad 4, bearing frame 7 pass through spring bolt 8 with backup pad 4 is connected, specifically, set up on backup pad 4 with the screw hole that spring bolt 8 corresponds, the tail end of spring bolt 8 stretches into in the screw hole to realize spring bolt 8 with the threaded connection of backup pad 4.

In this embodiment, when the box cover 2 and the box body 1 need to be tightly fixed by a fastener, the box cover 2 to be fixed is placed in the supporting frame 7, the inner side wall of the bearing frame 7 is processed with a convex part, the convex part is clamped with the boundary part of the surface of the box cover 2, so that the box cover 2 and the bearing frame 7 are kept relatively fixed, the puller bolt 5 is rotated, the box cover 2 is pressed by the puller bolt 5, the box cover 2 moves towards the direction of the box body 1, finally the box cover 2 is combined with the box body 1, at the moment, the fastener of the box cover 2 and the box body 1 is convenient to install, after the fastener for connecting lid 2 and box body 1 is installed and is accomplished, demolish spring bolt 8 makes backup pad 4 and bearing frame 7 separation, and lateral sliding backup pad 4 makes backup pad 4 and connecting piece 3 separation, demolishs connecting piece 3 of being connected with box body 1 again, demolishs the bearing frame 7 between lid 2 and the box body 1 at last again can.

Fig. 6 is a schematic structural diagram of a support frame in a quantum chip packaging box pre-tightening mechanism provided by the application.

It should be particularly noted that, as shown in fig. 6, since the bearing frame 7 is always located between the box cover 2 and the box body 1, and after the fastening member of the box cover 2 and the box body 1 is installed, the bearing frame 7 located between the box cover 2 and the box body 1 needs to be removed, in this embodiment, in order to facilitate the separation of the bearing frame 7 from the box cover 2, the bearing frame 7 is set to be separable, and the bearing frame 7 is composed of several detachable parts, illustratively, a specific manner is that the bearing frame 7 includes a first bearing part and a second bearing part that are detachable, the first bearing part and the second bearing part are symmetrically arranged, the first bearing part and the second bearing part are connected by a movable buckle, and when the bearing frame 7 located between the box cover 2 and the box body 1 needs to be removed after the fastening member of the box cover 2 and the box body 1 is installed, the movable buckle can be opened, the first bearing part and the second bearing part are separated, and at the moment, the first bearing part and the second bearing part can be conveniently taken out from the space between the box cover 2 and the box body 1.

In some embodiments of this application, lid 2 have with bearing frame 7 complex boss, the boss is located lid 2 one side towards box body 1, through setting up the boss, makes lid 2 can arrange in more firmly in bearing frame 7 is interior, avoids lid 2 to follow the landing in bearing frame 7.

The construction, features and functions of the present application are described in detail in the embodiments illustrated in the drawings, which are only preferred embodiments of the present application, but the present application is not limited by the drawings, and all equivalent embodiments that can be modified or changed according to the idea of the present application are within the scope of the present application without departing from the spirit of the present application.

Claims (9)

1. The utility model provides a quantum chip packaging box preloading mechanism, quantum chip packaging box include detachable box body (1) and lid (2), its characterized in that, quantum chip packaging box preloading mechanism includes:

a support element arranged on the box body (1);

a force application element connected with the support element, the force application element defining the relative position of the box cover (2) and the box body (1).

2. The quantum chip package pre-tensioning mechanism of claim 1, wherein the support element comprises:

a connecting piece (3) fixed on the box body (1);

and the force application element is arranged on the support plate (4).

3. The pre-tightening mechanism for the quantum chip packaging box as claimed in claim 2, wherein the force application element comprises a tightening bolt (5), the tightening bolt (5) penetrates through the support plate (4) and is in threaded connection with the support plate (4), and the tightening bolt (5) abuts against the box cover (2).

4. The pre-tightening mechanism for the quantum chip packaging box as claimed in claim 3, wherein the tightening bolt (5) is perpendicular to the plane of the box cover (2).

5. The pre-tightening mechanism for the quantum chip packaging box as claimed in claim 3, wherein the jacking bolts (5) are distributed along the boundary of the surface of the box cover (2).

6. The pre-tightening mechanism for the quantum chip packaging box as claimed in claim 3, wherein a pressure plate (6) is arranged between the tightening bolt (5) and the box cover (2).

7. The pre-tightening mechanism for the quantum chip packaging box according to claim 5, further comprising a support bracket, wherein the box cover (2) is located between the support bracket and the puller bolt (5), and the support bracket and the puller bolt (5) are matched to keep the box cover (2) stable.

8. The quantum chip package pretensioning mechanism of claim 7, wherein the support bracket comprises:

a supporting frame (7) for supporting the box cover (2);

the spring bolt (8) penetrates through the supporting plate (4), and the bearing frame (7) is connected with the supporting plate (4) through the spring bolt (8).

9. The quantum chip package box pretensioning mechanism according to claim 8, characterized in that the box cover (2) has a boss that fits the bearing frame (7).

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