CN210245966U

CN210245966U - Connecting assembly and power box assembly with same

Info

Publication number: CN210245966U
Application number: CN201921296802.6U
Authority: CN
Inventors: Xuechao Sun; 孙雪超; Tong Pan; 潘彤; Yong Wang; 王勇
Original assignee: Leyard Optoelectronic Co Ltd
Current assignee: Leyard Optoelectronic Co Ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-04-03
Anticipated expiration: 2029-08-09

Abstract

The utility model provides a coupling assembling and have its power box subassembly. Wherein, coupling assembling is used for being connected power pack and waiting the installation device, and coupling assembling includes: the knob structure is pivotally connected with the power box and provided with a special-shaped groove, and the knob structure is provided with a locking state for locking the power box and the device to be installed and an unlocking state for unlocking the power box and the device to be installed; when the knob structure is in a locking state, the protruding part of the device to be installed extends into the special-shaped groove and is limited and stopped by the special-shaped groove, so that the protruding part is separated from the special-shaped groove by rotating the knob structure along the preset direction, and the knob structure is switched from the locking state to an unlocking state. The utility model discloses it is comparatively loaded down with trivial details with the dismouting of treating installation device to have solved among the prior art power pack effectively, has increased staff intensity of labour's problem.

Description

Connecting assembly and power box assembly with same

Technical Field

The utility model relates to an electrical equipment technical field particularly, relates to a coupling assembling and have its power box subassembly.

Background

In the prior art, the fixing modes of the power supply box and the rear cover of the LED display screen mainly include the following modes:

1. is locked and fixed by a screw

The fixing mode is reliable in installation, but has low efficiency and inconvenient operation, and the purposes of quick installation and maintenance cannot be achieved due to the fact that tools are needed;

2. connecting rod pull buckle lock fixing

However, the use of the pull buckle lock requires the threaded holes on the rear cover or the power box and the box body to fix the pull buckle, the tapping increases the processing cost, and the threaded holes need to be subjected to waterproof treatment when the pull buckle lock is applied outdoors, so that the production efficiency is low;

3. custom link lock fixation

The power supply box and the rear cover of the LED display screen are fixed through a link mechanism (similar to a knife switch lock), so that the cost is high;

4. combination lock fixation

The mode that screw locking and pull buckle lock phase are combined is adopted for fixing, however, the fixing mode cannot realize quick assembly and disassembly, and the labor intensity of workers is increased.

To sum up, the fixing mode among the prior art can not realize quick assembly disassembly, has increased staff's intensity of labour.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a coupling assembling and have its power pack subassembly to solve among the prior art power pack and treat that installation device's dismouting is comparatively loaded down with trivial details, increased staff intensity of labour's problem.

In order to achieve the above object, according to an aspect of the present invention, there is provided a connection assembly for connecting a power supply box with a mounting device, the connection assembly including: the knob structure is pivotally connected with the power box and provided with a special-shaped groove, and the knob structure is provided with a locking state for locking the power box and the device to be installed and an unlocking state for unlocking the power box and the device to be installed; when the knob structure is in a locking state, the protruding part of the device to be installed extends into the special-shaped groove and is limited and stopped by the special-shaped groove, so that the protruding part is separated from the special-shaped groove by rotating the knob structure along the preset direction, and the knob structure is switched from the locking state to an unlocking state.

Furthermore, the special-shaped groove comprises a plurality of sections of arc-shaped groove walls which are connected in sequence, and the inner diameters of partial or all arc-shaped groove walls are different.

Further, the connection assembly further comprises: the elastic piece is arranged on the knob structure and provided with a first position extending into the first positioning part of the power supply box and a second position extending into the second positioning part of the power supply box, and when the knob structure is in a locking state, the elastic piece is in the first position; when the knob structure is in the unlocked state, the elastic member is in the second position.

Further, the knob structure has first mounting hole and second mounting hole, and the second mounting hole is used for installing the elastic component, and coupling assembling still includes: the fastener penetrates through the first mounting hole and is arranged on the power supply box; wherein the profiled groove and the second mounting hole are arranged around the first mounting hole.

Furthermore, along the rotation direction of the knob structure, one side of the special-shaped groove can limit and stop with the protruding part, the other side of the special-shaped groove is provided with an opening, and the protruding part enters the special-shaped groove through the opening; and/or the projection is pulled out of the profiled groove via the opening.

Further, the knob structure includes: a body having a first mounting hole and a second mounting hole; a plurality of curb plates that connect in order, whole curb plates set up in one side of body and with body coupling, two at least curb plates in a plurality of curb plates are around forming the beak to through rotating the beak, in order to realize the rotation of knob structure.

Furthermore, the plurality of side plates comprise a first arc-shaped plate, a first flat plate, a second flat plate, a third flat plate and a second arc-shaped plate which are connected in sequence, an opening is formed between the first arc-shaped plate and the second arc-shaped plate, the first flat plate and the second flat plate are arranged at a first included angle, the second flat plate and the third flat plate are arranged at a second included angle, and the first flat plate, the second flat plate and the third flat plate surround to form a sharp-mouth part.

Further, a plurality of curb plates are around forming the installation cavity, and the knob structure still includes: the first cylinder part is arranged on the body and communicated with the first mounting hole; the second cylinder part is arranged on the body and communicated with the second mounting hole; the first barrel part is connected with the first arc-shaped plate through the first transition connecting plate section; the first barrel part and the second arc-shaped plate are connected through the second transition connecting plate section, and the inner surface of part of the first arc-shaped plate, the surface of the first transition connecting plate section facing the opening, the outer wall of part of the first barrel part and the surface of the second transition connecting plate section facing the opening are surrounded to form a special-shaped groove; the first barrel part, the second barrel part, the first transition connecting plate section and the second transition connecting plate section are all located in the installation cavity.

According to another aspect of the present invention, there is provided a power supply box assembly, comprising a power supply box and at least one connecting assembly, wherein the power supply box is locked or unlocked with a device to be installed through the connecting assembly; wherein, the connecting component is the connecting component.

Furthermore, the power supply box is provided with a first positioning part, a second positioning part and a third mounting hole, and the third mounting hole is used for arranging a fastener; wherein, first location portion and second location portion are the recess.

Use the technical scheme of the utility model, be connected power pack and treating installation device through coupling assembling, coupling assembling's knob structure has the lock status who is used for locking power pack and treats installation device and is used for unblock power pack and treat installation device's unlock status. Therefore, when the power supply box and the device to be installed need to be locked, a worker screws the knob structure to enable the protruding portion of the device to be installed to extend into the special-shaped groove and limit and stop with the special-shaped groove, and the knob structure is in a locking state, so that the power supply box and the device to be installed are locked; when the power box and the device to be installed need to be unlocked, a worker rotates the knob structure along the preset direction to enable the protruding portion to be separated from the special-shaped groove, and then the knob structure is switched from the locking state to the unlocking state.

Compared with the fixing mode in the prior art, the connecting assembly in the application enables the power supply box and the device to be installed to be more easily and conveniently disassembled, shortens the time consumption of operation, and further solves the problems that the power supply box and the device to be installed are complex to disassemble and assemble and the labor intensity of workers is increased in the prior art. Simultaneously, coupling assembling in this application's simple structure, easy processing, realization have reduced the processing cost.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic perspective view of an embodiment of a power supply box assembly according to the present invention;

figure 2 shows an exploded view of the power supply box assembly of figure 1;

FIG. 3 shows an enlarged schematic view at A of the power pack assembly of FIG. 2;

figure 4 shows a schematic perspective view of another angle of the power supply block assembly of figure 1;

FIG. 5 illustrates a partial cross-sectional view of the knob structure of the power supply block assembly of FIG. 1 in a locked state;

figure 6 shows an enlarged schematic view at B of the power supply block assembly of figure 5;

figure 7 shows a partial cross-sectional view of the knob structure of the power box assembly of figure 1 in an unlocked state;

figure 8 shows an enlarged schematic view at C of the power supply block assembly of figure 7;

fig. 9 shows a schematic perspective view of a connection assembly according to the present invention;

fig. 10 shows an exploded view of the connection assembly of fig. 9;

FIG. 11 shows a front side view of the connection assembly of FIG. 9; and

fig. 12 shows a rear side view of the connection assembly of fig. 9.

Wherein the figures include the following reference numerals:

10. a knob structure; 11. a special-shaped groove; 111. an opening; 12. a first mounting hole; 13. a second mounting hole; 14. a body; 15. a nib part; 16. a first arc-shaped plate; 17. a first flat panel; 18. a second flat panel; 19. a third flat panel; 101. a second arc-shaped plate; 102. a first barrel portion; 103. a second barrel portion; 104. a first transition joint plate segment; 105. a second transition joint plate segment; 20. a power supply box; 21. a first positioning portion; 22. a second positioning portion; 23. a third mounting hole; 30. a protrusion; 40. an elastic member; 50. a fastener.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless otherwise specified, the use of directional words such as "upper and lower" is generally in reference to the orientation shown in the drawings, or to the vertical, perpendicular or gravitational orientation; likewise, for ease of understanding and description, "left and right" are generally to the left and right as shown in the drawings; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself, but the above directional terms are not intended to limit the present invention.

In order to solve among the prior art power pack and treat that the dismouting of installation device is comparatively loaded down with trivial details, increased staff intensity of labour's problem, this application provides a coupling assembling and has its power pack subassembly.

As shown in fig. 1 to 12, a connection assembly for connecting a power supply box 20 with a device to be mounted includes a knob structure 10. Wherein, the knob structure 10 is pivotally connected with the power supply box 20, the knob structure 10 has a special-shaped groove 11, and the knob structure 10 has a locking state for locking the power supply box 20 and the device to be mounted and an unlocking state for unlocking the power supply box 20 and the device to be mounted. When the knob structure 10 is in the locked state, the protrusion 30 of the device to be installed extends into the special-shaped groove 11 and is limited and stopped with the special-shaped groove 11, so that the protrusion 30 is disengaged from the special-shaped groove 11 by rotating the knob structure 10 along the preset direction, and the knob structure 10 is switched from the locked state to the unlocked state.

By applying the technical scheme of the embodiment, when the power supply box 20 needs to be locked with the device to be installed, a worker screws the knob structure 10 to enable the protrusion 30 of the device to be installed to extend into the special-shaped groove 11 and limit and stop the protrusion 30 with the special-shaped groove 11, so that the knob structure 10 is in a locked state, and the power supply box 20 is locked with the device to be installed; when the power supply box 20 needs to be unlocked from the device to be installed, a worker rotates the knob structure 10 along the preset direction to make the protrusion 30 disengage from the irregular groove 11, and then the knob structure 10 is switched from the locked state to the unlocked state.

Compared with the fixing mode in the prior art, the connecting assembly in the embodiment enables the power supply box 20 and the device to be installed to be more easily and conveniently disassembled, shortens the time consumption of operation, and further solves the problems that the power supply box and the device to be installed are complex to disassemble and assemble and the labor intensity of workers is increased in the prior art. Meanwhile, the connecting assembly in the embodiment is simple in structure, easy to machine and realize, and machining cost is reduced.

Optionally, the device to be installed is a box body, or a display screen, or other equipment to be powered.

In the present embodiment, the shaped groove 11 is located on the side of the knob structure 10 facing the protrusion 30 and the protrusion 30 is able to slide within the shaped groove 11.

Optionally, the special-shaped groove 11 comprises a plurality of arc-shaped groove walls connected in sequence, and the inner diameters of part or all of the arc-shaped groove walls are different. In this embodiment, the special-shaped groove 11 includes five smoothly-connected arc-shaped groove walls, so that the protrusion 30 slides more smoothly in the special-shaped groove 11, and further, the knob structure 10 is easier and simpler to switch between the locking state and the unlocking state, and no pause phenomenon occurs.

Specifically, when the knob structure 10 is in the locking state, the protrusion 30 is stopped by at least one segment of the arc-shaped slot wall to ensure the locking effectiveness.

It should be noted that the number of the arc-shaped groove walls is not limited to this. Optionally, the profiled groove 11 comprises two, or three, or four, or six arc-shaped groove walls.

As shown in fig. 2, 3, 6 and 8 to 10, the connecting assembly further includes an elastic member 40. The elastic element 40 is arranged on the knob structure 10, the elastic element 40 has a first position extending into the first positioning portion 21 of the power supply box 20 and a second position extending into the second positioning portion 22 of the power supply box 20, and when the knob structure 10 is in a locked state, the elastic element 40 is in the first position; when the knob structure 10 is in the unlocked state, the elastic member 40 is in the second position. Like this, the above-mentioned setting of elastic component 40 can avoid knob structure 10 to take place clockwise or anticlockwise rocking when locking state or unblock state, plays the positioning action to knob structure 10, and then has promoted coupling assembling's use reliability.

Specifically, when the power supply box 20 needs to be locked with the device to be mounted, a worker screws the knob structure 10 so that the protrusion 30 of the device to be mounted extends into the special-shaped groove 11 and is limited and stopped with the inner surface of the special-shaped groove 11, the elastic member 40 extends into the first positioning portion 21, and the first positioning portion 21 limits the elastic member 40; when the power supply box 20 and the device to be installed need to be unlocked, a worker rotates the knob structure 10 along the preset direction, the elastic member 40 is disengaged from the first positioning portion 21 until the elastic member 40 extends into the second positioning portion 22, the elastic member 40 is limited in the second positioning portion 22, the protruding portion 30 is disengaged from the special-shaped groove 11, and the knob structure 10 is switched from the locking state to the unlocking state.

Alternatively, the elastic member 40 is a positioning bead, and the bead of the positioning bead may extend into the first positioning portion 21 or the second positioning portion 22.

Alternatively, the type of the elastic member 40 is not limited thereto. Optionally, the resilient member 40 is a spring.

As shown in fig. 9 and 10, the knob structure 10 has a first mounting hole 12 and a second mounting hole 13, the second mounting hole 13 is used for mounting the elastic member 40, and the connecting assembly further includes a fastening member 50. Wherein, the fastener 50 is arranged on the power supply box 20 after passing through the first mounting hole 12. Wherein the profiled groove 11 and the second mounting hole 13 are arranged around the first mounting hole 12. In this way, the knob structure 10 and the power supply box are rotatably connected through the fastener 50, so that the knob structure 10 and the power supply box are easier and simpler to disassemble and assemble, and the disassembling and assembling difficulty is reduced.

Specifically, in the process that the user rotates the knob structure 10, the arrangement of the special-shaped groove 11 and the second mounting hole 13 avoids stress concentration on the knob structure 10, and enables stress of the knob structure 10 to be more dispersed, so that on one hand, the structural strength of the knob structure 10 is improved, and the service life of the knob structure 10 is prolonged; on the other hand, the locking of the connecting assembly to the power supply box and the device to be installed is more reliable, and the use reliability of the connecting assembly is improved.

As shown in fig. 9 to 11, along the rotation direction of the knob structure 10, one side of the shaped groove 11 can be limited and stopped by the protrusion 30, the other side of the shaped groove 11 is an opening 111, the protrusion 30 enters the shaped groove 11 through the opening 111, and the protrusion 30 is pulled out from the shaped groove 11 through the opening 111. In this way, in the process of rotating the knob structure 10 by the operator, the limit stop between the special-shaped groove 11 and the protruding portion 30 can be realized, and the protruding portion 30 can be disengaged from the special-shaped groove 11, so that the state switching of the knob structure 10 is easier and simpler.

In this embodiment, in the direction from the arc groove wall of the special-shaped groove 11 and the limit stop of the protrusion 30 to the opening 111, the size of the special-shaped groove 11 is increased, so that the protrusion 30 and the special-shaped groove 11 are separated more easily, and the reliability of the knob structure 10 is improved.

Optionally, the knob structure 10 includes a body 14 and a plurality of side plates connected in series. Wherein the body 14 has a first mounting hole 12 and a second mounting hole 13. All the side plates are disposed at one side of the body 14 and connected with the body 14, and at least two of the plurality of side plates surround to form the beak part 15, so as to realize the rotation of the knob structure 10 by turning the beak part 15. In this way, the side of the knob structure 10 facing the protrusion 30 is an opening structure, so that the protrusion 30 and the knob structure 10 can be easily engaged.

Specifically, the staff can rotate the knob structure 10 by rotating the nib part 15, so that the operation of the staff on the knob structure 10 is easier and simpler, and the operation difficulty is reduced.

Optionally, the outer surface of the beak portion 15 has an anti-slip pattern. Thus, in the process of rotating the sharp mouth part 15 by the worker, the arrangement can avoid the phenomenon that the relative sliding between the hand and the sharp mouth part 15 affects the operation.

As shown in fig. 9 and 10, the plurality of side plates includes a first arc plate 16, a first flat plate 17, a second flat plate 18, a third flat plate 19, and a second arc plate 101, which are connected in sequence, an opening 111 is formed between the first arc plate 16 and the second arc plate 101, the first flat plate 17 and the second flat plate 18 are disposed at a first angle, the second flat plate 18 and the third flat plate 19 are disposed at a second angle, and the first flat plate 17, the second flat plate 18, and the third flat plate 19 surround to form the beak portion 15. Thus, the structure is simple, easy to process and implement, and the processing cost of the knob structure 10 is reduced.

As shown in fig. 9 and 10, the mouthpiece 15 is formed by the first flat plate 17, the second flat plate 18, and the third flat plate 19.

Optionally, the first angle is the same as the second angle. Thus, the above arrangement makes the outer appearance of the beak portion 15 more beautiful and easy to handle.

Optionally, the outer diameter of the first arcuate plate 16 is identical to the outer diameter of the second arcuate plate 101. Thus, the knob structure 10 is more attractive in appearance and visual experience is improved due to the arrangement.

In the present embodiment, the distance between the central axis of the first installation hole 12 and the outer surface of the first arc-shaped plate 16 and the outer surface of the second arc-shaped plate 101 is the same, and the line connecting the central axis of the second installation hole 13 and the central axis of the first installation hole 12 is the symmetry axis of the knob structure 10.

In the present embodiment, the number of side plates is five. The number of the side plates is not limited to this, and may be adjusted according to the appearance requirement.

As shown in fig. 9 and 10, the five side plates surround to form a mounting cavity, and the knob structure 10 further includes a first barrel portion 102, a second barrel portion 103, a first transition connecting plate section 104, and a second transition connecting plate section 105. The first cylinder 102 is disposed on the body 14 and communicates with the first mounting hole 12. The second cylindrical portion 103 is provided on the body 14 and communicates with the second mounting hole 13. The first barrel portion 102 and the first arcuate plate 16 are connected by a first transitional plate segment 104. The first barrel portion 102 and the second arcuate plate 101 are connected by a second transitional plate segment 105, and a portion of the inner surface of the first arcuate plate 16, the surface of the first transitional plate segment 104 facing the opening 111, a portion of the outer wall of the first barrel portion 102, and the surface of the second transitional plate segment 105 facing the opening 111 are surrounded by a profiled groove 11. The first barrel 102, the second barrel 103, the first transition joint plate 104 and the second transition joint plate 105 are all located in the installation cavity. The structure is simple, easy to process and realize, the friction force between the knob structure 10 and the power box is reduced, and the knob structure 10 and the power box are prevented from being structurally worn.

Specifically, the first barrel 102 is connected to the outer wall of the second barrel 103, and the first transition connection plate 104 and the second transition connection plate 105 are arc-shaped plate sections, so that a special-shaped groove 11 is formed by surrounding the inner surface of a part of the first arc-shaped plate 16, the surface of the first transition connection plate 104 facing the opening 111, the outer wall of a part of the first barrel 102, and the surface of the second transition connection plate 105 facing the opening 111, and the rest of the installation cavity is an opening, thereby reducing the contact area between the knob structure 10 and the power supply box, and reducing the friction force therebetween.

Alternatively, the knob structure 10 is integrally injection molded.

As shown in fig. 1 to 8, the present application further provides a power supply box assembly, which includes a power supply box 20 and four connecting assemblies, wherein the power supply box 20 is locked or unlocked with a device to be installed through the connecting assemblies. Wherein, the connecting component is the connecting component. Like this, the power pack subassembly locks through four coupling assembling with treating the installation device, and then has promoted the power pack and has treated the connection stability between the installation device, avoids taking place to break away from each other between the two and influences normal use.

Specifically, two connecting assemblies are positioned on one side of the power supply box, and the other two connecting assemblies are positioned on the other side of the power supply box, so that two sides of the power supply box and the device to be installed are connected together through the four connecting assemblies.

The number of the connection members is not limited to this. Optionally, the connecting components are one or two or three or more so as to be adjusted according to the appearance or production requirements of the power supply box.

As shown in fig. 3, the power supply box 20 has a first positioning portion 21, a second positioning portion 22, and a third mounting hole 23, and the third mounting hole 23 is used for installing a fastener 50. Wherein, the first positioning portion 21 and the second positioning portion 22 are both grooves. Specifically, the first positioning portion 21 and the second positioning portion 22 are provided around the third mounting hole 23, and the distances between the central axes of the first positioning portion 21 and the third mounting hole 23 and the second positioning portion 22 are the same.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

when the power box and the device to be installed need to be locked, a worker screws the knob structure to enable the protruding portion of the device to be installed to extend into the special-shaped groove and limit and stop with the special-shaped groove, and then the knob structure is in a locking state, so that the power box and the device to be installed are locked; when the power box and the device to be installed need to be unlocked, a worker rotates the knob structure along the preset direction to enable the protruding portion to be separated from the special-shaped groove, and then the knob structure is switched from the locking state to the unlocking state.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A connection assembly for connecting a power pack (20) with a device to be installed, characterized in that it comprises:

a knob structure (10), the knob structure (10) being pivotably connected with the power supply box (20), the knob structure (10) having a profiled slot (11), the knob structure (10) having a locked state for locking the power supply box (20) and the device to be mounted and an unlocked state for unlocking the power supply box (20) and the device to be mounted;

when the knob structure (10) is in the locking state, the protrusion (30) of the device to be installed extends into the special-shaped groove (11) and is in limit stop with the special-shaped groove (11), so that the protrusion (30) is disengaged from the special-shaped groove (11) by rotating the knob structure (10) in a preset direction, and then the knob structure (10) is switched from the locking state to the unlocking state.

2. A connecting assembly according to claim 1, characterized in that the profiled groove (11) comprises several segments of arc-shaped groove walls connected in series, some or all of which have different inner diameters.

3. The connection assembly of claim 1, further comprising:

an elastic member (40) disposed on the knob structure (10), wherein the elastic member (40) has a first position extending into the first positioning portion (21) of the power supply box (20) and a second position extending into the second positioning portion (22) of the power supply box (20), and when the knob structure (10) is in the locked state, the elastic member (40) is in the first position; the resilient member (40) is in the second position when the knob structure (10) is in the unlocked state.

4. A connection assembly according to claim 3, wherein the knob structure (10) has a first mounting hole (12) and a second mounting hole (13), the second mounting hole (13) being for mounting the resilient member (40), the connection assembly further comprising:

a fastener (50), wherein the fastener (50) is arranged on the power supply box (20) after passing through the first mounting hole (12); wherein the profiled groove (11) and the second mounting hole (13) are arranged around the first mounting hole (12).

5. A connection assembly according to claim 4, characterized in that, in the direction of rotation of the knob structure (10), one side of the profiled groove (11) can limit the stop with the projection (30), and the other side of the profiled groove (11) is an opening (111), through which opening (111) the projection (30) enters into the profiled groove (11); and/or the projection (30) is pulled out of the profiled groove (11) via the opening (111).

6. A connection assembly according to claim 5, characterized in that the knob structure (10) comprises:

a body (14) having the first mounting hole (12) and the second mounting hole (13);

a plurality of side plates connected in sequence, all the side plates are arranged on one side of the body (14) and connected with the body (14), and at least two side plates of the plurality of side plates form a cusp part (15) in a surrounding mode so that the cusp part (15) can be rotated to realize the rotation of the knob structure (10).

7. A connection assembly according to claim 6, characterized in that the plurality of side plates comprises a first arc-shaped plate (16), a first flat plate (17), a second flat plate (18), a third flat plate (19) and a second arc-shaped plate (101) connected in series, the first arc-shaped plate (16) and the second arc-shaped plate (101) forming the opening (111) therebetween, the first flat plate (17) and the second flat plate (18) being arranged at a first angle, the second flat plate (18) and the third flat plate (19) being arranged at a second angle, the first flat plate (17), the second flat plate (18) and the third flat plate (19) surrounding the formation of the beak (15).

8. The connection assembly according to claim 7, wherein a plurality of the side plates form a mounting cavity therearound, the knob structure (10) further comprising:

a first barrel portion (102) provided on the body (14) and communicating with the first mounting hole (12);

a second cylindrical portion (103) provided on the body (14) and communicating with the second mounting hole (13);

a first transition plate segment (104), the first barrel portion (102) and the first arcuate plate (16) connected by the first transition plate segment (104);

a second transition plate segment (105), through which the first barrel portion (102) and the second arc-shaped plate (101) are connected, a portion of the inner surface of the first arc-shaped plate (16), a surface of the first transition plate segment (104) facing the opening (111), a portion of the outer wall of the first barrel portion (102), and a surface of the second transition plate segment (105) facing the opening (111) form the profiled groove (11) around;

wherein the first barrel portion (102), the second barrel portion (103), the first transition joint plate segment (104), and the second transition joint plate segment (105) are all located within the mounting cavity.

9. A power pack assembly, characterized by comprising a power pack (20) and at least one connecting assembly, the power pack (20) being locked or unlocked with a device to be installed through the connecting assembly; wherein the connection assembly is a connection assembly as claimed in any one of claims 1 to 8.

10. The power pack assembly of claim 9, wherein the power pack (20) has a first positioning portion (21), a second positioning portion (22), and a third mounting hole (23), the third mounting hole (23) being used for installing a fastener (50); wherein the first positioning part (21) and the second positioning part (22) are both grooves.