Disclosure of Invention
The invention mainly aims to provide a clamping device, in particular to a clamping device capable of clamping electronic equipment such as a mobile phone and the like, which has strong universality.
In order to achieve the above purpose, the clamping device provided by the invention comprises a shell, at least two oppositely arranged connecting mechanisms and at least two clamping mechanisms respectively positioned at two sides of the shell, wherein at least one sliding groove is formed in two sides of the shell, one end of each connecting mechanism can be slidably contained in the sliding groove and extend into the shell, the other end of each connecting mechanism extends out of the sliding groove and is connected with one clamping mechanism, each connecting mechanism drives one clamping mechanism to move along the radial direction of one sliding groove, and at least two oppositely arranged connecting mechanisms also drive the corresponding clamping mechanisms to move along the opposite or opposite directions.
Preferably, each clamping mechanism comprises a base, wherein the base comprises a base body, a base and a connecting rod, and the base body, the base and the connecting rod form a clamping groove together; the connecting mechanism is provided with an accommodating hole, the connecting rod is accommodated in the accommodating hole, the base body and the base are positioned on two sides of the accommodating hole, and the connecting mechanism is partially accommodated in the clamping groove.
Preferably, each clamping mechanism further comprises a clamping member rotatably connected to an end of the base body remote from the base.
Preferably, the connecting mechanism is convexly provided with at least one protrusion, and the protrusion abuts against the surface of the base body, which is close to the shell.
Preferably, the clamping device further comprises at least two elastic mechanisms accommodated in the shell, and one end of each connecting mechanism is slidably arranged in the elastic mechanism.
Preferably, the clamping device further comprises a partition plate and a fixing piece, wherein the partition plate is accommodated in the shell, the partition plate divides the shell into an accommodating space and an accommodating cavity, the fixing piece is accommodated in the accommodating cavity and divides the accommodating cavity into two accommodating chambers, and each sliding groove is respectively communicated with one accommodating chamber.
Preferably, the number of the elastic mechanisms is two, the two elastic mechanisms are fixedly arranged on the fixing piece, each elastic mechanism is at least partially accommodated in a accommodating chamber, and each connecting mechanism is partially accommodated in a accommodating chamber and is slidably connected with one elastic mechanism.
Preferably, the elastic mechanism comprises a sliding part and two elastic parts arranged at two ends of the sliding part, and the connecting mechanism is slidably connected with the sliding part.
Preferably, a connecting part is arranged at one end of the connecting mechanism, a connecting groove is formed in the connecting part, and the sliding part is partially accommodated in the connecting groove.
Preferably, the fixing member is concavely provided with a groove, and the free end of the elastic part is accommodated in the groove.
Preferably, two side walls of the groove are further provided with a clamping piece in a protruding mode, a gap is formed between the two clamping pieces, and the free end of the elastic portion penetrates through the gap to be accommodated in the groove.
The invention also provides a mobile power supply, which comprises the clamping device, and further comprises a battery, wherein the battery is accommodated in the shell.
Preferably, an opening is respectively formed at two ends of the shell, the shell further comprises two cover plates, and each cover plate covers the opening.
Preferably, at least one charging interface and at least one discharging interface are formed on one cover plate.
Preferably, the mobile power supply further comprises a main board accommodated in the shell and two main board fixing pieces respectively connected to two ends of the main board, and the main board is fixed in the shell through the main board fixing pieces.
Preferably, at least one first mounting hole is respectively formed at two ends of the main board, the main board fixing piece comprises a first connecting portion and second connecting portions connected with the first connecting portion, at least one second mounting hole is formed in the first connecting portion, at least one flange is formed at one end, close to the main board, of each second connecting portion, and the flange is accommodated in the first mounting hole corresponding to the flange.
The clamping device comprises a shell, at least two connecting mechanisms which are oppositely arranged, and at least two clamping mechanisms, wherein at least one sliding groove is formed in two sides of the shell, one end of each connecting mechanism can be slidably contained in the sliding groove and extend into the shell, and the other end of each connecting mechanism extends out of the sliding groove and is connected with one clamping mechanism, and the at least two clamping mechanisms are respectively positioned on two sides of the shell to form a clamping space for clamping electronic equipment such as a mobile phone; at least two oppositely arranged connecting mechanisms drive the corresponding clamping mechanisms to move in opposite directions or opposite directions, at least two clamping mechanisms respectively positioned at two sides of the shell are moved in opposite directions, so that the size of the clamping space is adjusted to be suitable for electronic equipment such as mobile phones and the like, and then the electronic equipment such as the mobile phones and the like are firmly clamped in the clamping space; each connecting mechanism drives a clamping mechanism to move along the radial direction of a chute, and the position of the clamping mechanism is adjusted by moving the clamping mechanism along the radial direction of the corresponding chute, so that the clamping mechanism avoids the corresponding functional keys, and electronic equipment such as mobile phones and the like are firmly clamped in the clamping space.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1 to 16, the present invention provides a clamping device, which includes a housing 10, at least two oppositely disposed connecting mechanisms 30, and at least two clamping mechanisms 40 respectively disposed at two sides of the housing 10, wherein at least one sliding slot 11 is disposed at two sides of the housing 10, one end of each connecting mechanism 30 is slidably received in the sliding slot 11 and extends into the housing 10, and the other end extends out of the sliding slot 11, and is connected with a clamping mechanism 40, each connecting mechanism 30 drives a clamping mechanism 40 to move along a radial direction of the sliding slot 11, and at least two oppositely disposed connecting mechanisms 30 also drive the corresponding clamping mechanism 40 to move along opposite or opposite directions.
Preferably, the number of the connecting mechanisms 30 and the sliding grooves 11 is four, and the number of the clamping mechanisms 40 positioned at two sides of the shell 10 is two.
Specifically, the clamping mechanism 40 and the housing 10 together form a clamping space 101 for clamping electronic devices such as mobile phones.
The clamping device of the technical scheme of the invention comprises a shell 10, at least two connecting mechanisms 30 which are oppositely arranged, and at least two clamping mechanisms 40, wherein at least one sliding chute 11 is formed on two sides of the shell 10, one end of each connecting mechanism 30 can be slidably accommodated in the sliding chute 11 and extend into the shell 10, and the other end of each connecting mechanism extends out of the sliding chute 11 and is connected with one clamping mechanism 40, and the at least two clamping mechanisms 40 are respectively positioned on two sides of the shell 10 to form a clamping space 101 for clamping electronic equipment such as a mobile phone; at least two oppositely arranged connecting mechanisms 30 drive the corresponding clamping mechanisms 40 to move along opposite directions or opposite directions, at least two clamping mechanisms 40 respectively positioned at two sides of the shell 10 are moved along opposite directions or opposite directions, so that the size of the clamping space 101 is adjusted to be suitable for electronic equipment such as a mobile phone, and then the electronic equipment such as the mobile phone is firmly clamped in the clamping space 101; each connecting mechanism 30 drives a clamping mechanism 40 to move along the radial direction of a chute 11, further, as the two sides of electronic equipment such as mobile phones are usually provided with function keys with different numbers and sizes, the positions of the clamping mechanisms 40 are adjusted by moving the clamping mechanisms 40 along the radial direction of the corresponding chute 11, so that the clamping mechanisms 40 avoid the corresponding function keys, the electronic equipment such as mobile phones are firmly clamped in the clamping space 101, and the connecting mechanism has reasonable structural design and can be adapted to the electronic equipment such as mobile phones with different sizes and different key arrangements, thereby having very strong universality.
Referring to fig. 1 to 3 and 13 to 15, each clamping mechanism 40 includes a base 41, the base 41 includes a base body 411, a base 412 and a connecting rod 413, and the base body 411, the base 412 and the connecting rod 413 together form a clamping groove 401; the connecting mechanism 30 is provided with a containing hole 32, the connecting rod 413 is contained in the containing hole 32, the base body 411 and the base 412 are located on two sides of the containing hole 32, and the connecting mechanism 30 is partially contained in the clamping groove 401.
Preferably, the base body 411 abuts against the periphery of one side of the accommodating hole 32, and the base 412 abuts against the periphery of the other side of the accommodating hole 32.
Further, the receiving hole 32 includes a first receiving hole 321 and a second receiving hole 322 communicating with the first receiving hole 321, and the connection rod 413 is at least partially received in the first receiving hole 321.
Preferably, the base 412 and the connecting rod 413 are both cylinders, the first receiving hole 321 is a rectangular through hole, and the second receiving hole 322 is a circular through hole.
Specifically, the bottom diameter of the base 412 is greater than the bottom diameter of the connecting rod 413, the size of the first accommodating hole 321 is matched with the bottom size of the connecting rod 413, the size of the second accommodating hole 322 is matched with the bottom size of the base 412, during installation, one end, far away from the connecting rod 413, of the base 412 passes through the second accommodating hole 322 until the connecting rod 413 is at least partially accommodated in the second accommodating hole 322, then the base 41 is moved towards the direction close to the first accommodating hole 321 until the connecting rod 413 is at least partially accommodated in the first accommodating hole 321, the base body 411 abuts against the periphery of one side of the first accommodating hole 321, and the base 412 abuts against the periphery of the other side of the first accommodating hole 321, so that the base 41 is arranged on the connecting mechanism 30.
It will be appreciated that the base 41 is held against the periphery of the side of the chute 11 adjacent thereto by the tension of the spring mechanism 20.
Referring to fig. 15, each clamping mechanism 40 further includes a clamping member 42, and the clamping member 42 is rotatably connected to an end of the base body 411 away from the base 412.
Further, each clamping mechanism 40 further includes a rotating shaft 43, and the clamping member 42 is rotatably connected to an end of the base body 411 away from the base 412 through the rotating shaft 43.
Preferably, the angle of rotation of the clamping member 42 relative to the base body 411 is in the range of 0 to 90 degrees.
The clamping pieces 42 of the present invention are rotatably connected to one end of the base body 411 away from the base 412, and each clamping piece 42 is used for clamping electronic devices such as a mobile phone; when the clamping device is used, the clamping piece 42 is rotated relative to the base body 411 until the clamping piece 42 is opened on the base body 411 so as to clamp the mobile phone; when the clamping device is used, the clamping piece 42 is rotated relative to the base body 411 until the clamping piece 42 covers the base body 411, so as to facilitate the storage or placement of the clamping device.
Referring to fig. 13 and 14, the connecting mechanism 30 is provided with at least one protrusion 34, and the protrusion 34 abuts against a surface of the base body 411, which is close to the housing 10.
Further, the number of the protrusions 34 is two, and the two protrusions 34 are respectively located at the peripheral edges of both sides of the receiving hole 32.
The connecting mechanism 30 according to the present invention is provided with at least one protrusion 34, and the protrusion 34 abuts against the surface of the base body 411, which is close to the housing 10, so as to fix the base 41 to the connecting mechanism 30.
Referring to fig. 1 to 3 and fig. 7 to 12, the clamping device further includes at least one elastic mechanism 20 accommodated in the housing 10, and one end of each connecting mechanism 30 is slidably disposed on the elastic mechanism 20.
According to the technical scheme of the invention, one end of each connecting mechanism 30 is slidably arranged on the elastic mechanism 20, specifically, one end of each connecting mechanism 30 is slidably connected with one elastic mechanism 20, the other end of each connecting mechanism passes through the chute 11 and is connected with one clamping mechanism 40, when at least two clamping mechanisms 40 respectively positioned at two sides of the shell 10 are moved along the direction deviating from each other, each clamping mechanism 40 pulls the elastic mechanism 20 through the connecting mechanism 30 connected with the clamping mechanism 40, the elastic mechanism 20 is elastically deformed to generate elastic force, and tension force applied to at least two opposite clamping mechanisms 40 along the opposite directions of the clamping mechanism is applied through the connecting mechanism 30, so that electronic equipment such as a mobile phone and the like placed in the clamping space 101 is clamped; further, when the clamping mechanism 40 moves along the radial direction of the chute 11, the connecting mechanism 30 connected to the clamping mechanism 40 slides relative to the elastic mechanism 20.
Referring to fig. 1 to 6, the clamping device further includes a partition plate 50 and a fixing member 60 accommodated in the housing 10, the partition plate 50 dividing the housing 10 into an accommodating space 51 and an accommodating chamber 61, the fixing member 60 being accommodated in the accommodating chamber 61 and dividing the accommodating chamber 61 into two accommodating chambers 611, each of the slide grooves 11 being respectively communicated with one of the accommodating chambers 611.
Further, two opposite insertion grooves 14 are formed in the housing 10, and two ends of the isolation plate 50 are respectively inserted into the corresponding insertion grooves 14.
According to the technical scheme of the invention, the isolation plate 50 divides the shell 10 into the accommodating space 51 and the accommodating cavity 61, the accommodating space 51 can be used for accommodating the battery, the main board 70 and the like, the fixing piece 60 is accommodated in the accommodating cavity 61 and divides the accommodating cavity 61 into two accommodating chambers 611, each chute 11 is respectively communicated with one accommodating chamber 611, and the accommodating cavity 61 is used for accommodating the elastic mechanism 20 and part of the connecting mechanism 30, so that the elastic mechanism 20 and the connecting mechanism 30 are separated from the battery, the main board 70 and the like, the influence on the battery when the elastic mechanism 20 and the connecting mechanism 30 move is avoided, the internal structure of the shell 10 is more compact, and the arrangement is more reasonable.
Referring to fig. 1 to 4 and fig. 7 to 9, the number of the elastic mechanisms 20 is two, and the two elastic mechanisms 20 are both fixedly arranged on the fixing member 60, each elastic mechanism 20 is at least partially accommodated in one accommodating chamber 611, and each connecting mechanism 30 is partially accommodated in one accommodating chamber 611 and slidably connected with one elastic mechanism 20.
In the technical scheme of the invention, each connecting mechanism 30 is partially accommodated in an accommodating chamber 611 and slidably connected with an elastic mechanism 20, specifically, each connecting mechanism 30 is partially accommodated in an accommodating chamber 611, one end of each connecting mechanism 30 is slidably connected with an elastic mechanism 20, and the other end of each connecting mechanism 30 passes through a chute 11 and exposes out of a shell 10 to be connected with a clamping mechanism 40; each elastic mechanism 20 is at least partially accommodated in a accommodating chamber 611, the accommodating chamber 611 can provide a certain movement space for elastic deformation of the elastic mechanism 20, one end of each elastic mechanism 20 is fixedly arranged on the fixing piece 60, the other end of each elastic mechanism 20 is connected with a connecting mechanism 30, and when the connecting mechanism 30 moves along a direction away from the elastic mechanism 20 connected with the connecting mechanism, the elastic mechanism 20 moves in the accommodating chamber 611 and generates elastic deformation to provide elastic force.
Referring to fig. 7 to 12, the elastic mechanism 20 includes a sliding portion 21 and two elastic portions 22 provided at both ends of the sliding portion 21, and the connection mechanism 30 is slidably connected to the sliding portion 21.
Preferably, referring to fig. 10, the elastic portion 22 of an embodiment of the present invention is a flat spring, and the sliding portion 21 is a rod-like structure. By providing the elastic portion 22 as a flat spring, the space occupied by the elastic portion 22 is greatly reduced, thereby reducing the size of the housing 10 and making the structure more compact.
Referring to fig. 11, the elastic portion 22 of another embodiment of the present invention is a space coil spring, the sliding portion 21 is a rod-shaped structure, and the elasticity thereof is greatly enhanced by providing the elastic portion 22 as a space coil spring.
Referring to fig. 12, the elastic portion 22 of still another embodiment of the present invention is a space coil spring, and the sliding portion 21 is also a space coil spring.
It can be appreciated that by setting a reasonable size of the housing 10 and the elastic strength of the elastic portion 22, a sufficient clamping force is provided for the clamping mechanism 40, so that the electronic device such as a mobile phone can be clamped and fixed.
The elastic mechanism 20 of the present invention includes a sliding portion 21 and two elastic portions 22 disposed at two ends of the sliding portion 21, wherein the elastic portions 22 are configured to provide elastic force along a direction of opposite movement for each of the two oppositely disposed connection mechanisms 30, and further, the clamping mechanism 40 is tightened by the connection mechanisms 30, so that the clamping mechanism 40 firmly clamps electronic devices such as a mobile phone; the connecting mechanism 30 is slidably connected with the sliding portion 21, preferably, one end of the connecting mechanism 30 is slidably connected with the sliding portion 21, the other end passes through the sliding groove 11 and is connected with the clamping mechanism 40 after extending out of the shell 10, so that each connecting mechanism 30 drives one clamping mechanism 40 to move along the radial direction of one sliding groove 11.
Referring to fig. 7 to 13, one end of the connection mechanism 30 is provided with a connection portion 31, the connection portion 31 is provided with a connection groove 33, and the sliding portion 21 is partially accommodated in the connection groove 33.
One end of the connecting mechanism 30 according to the technical scheme of the invention is provided with the connecting part 31, the connecting part 31 is provided with the connecting groove 33, the sliding part 21 is partially accommodated in the connecting groove 33, after the clamping device of the invention is installed, it can be understood that when the corresponding connecting mechanism 30 is pulled in the direction away from the elastic mechanism 20, the sliding part 21 is abutted against the groove wall of the connecting groove 33, further, the sliding part 21 pulls the elastic part 22, and the elastic part 22 is deformed to generate elastic force; at the same time, the connecting portion 31 slides relatively to the sliding portion 21 through the connecting groove 33.
Referring to fig. 3 to 5, 9, and 10 to 12, the fixing member 60 is concavely provided with a groove 601, and the free end 23 of the elastic portion 22 is received in the groove 601.
The fixing member 60 according to the present invention is concavely provided with a groove 601, the free end 23 of the elastic portion 22 is accommodated in the groove 601, when the clamping device of the present invention is installed, the free ends 23 of the two oppositely disposed elastic portions 22 respectively enter the groove 601, after installation, it can be understood that when a connecting mechanism 30 corresponding thereto is pulled in a direction away from the elastic mechanism 20, the free ends 23 of the elastic portions 22 are abutted against a sidewall of the groove 601, and the elastic portions 22 are deformed to generate elastic force.
With continued reference to fig. 3 to 5, 9, and 10 to 12, two side walls of the recess 601 are further provided with a retaining member 62 respectively, a gap (not shown) is formed between the two retaining members 62, and the free end 23 of the elastic portion 22 is accommodated in the recess 601 through the gap.
Further, the surface of the retaining member 62 away from the groove 601 abuts against the isolation plate 50. To prevent the free end 23 of the resilient portion 22 provided in the recess 601 from falling out of the slit.
In the present invention, a gap is formed between the two clamping members 62, the free ends 23 of the elastic portions 22 are received in the grooves 601 through the gap, and when the clamping device of the present invention is installed, the free ends 23 of the two opposite elastic portions 22 enter the grooves 601 from the gap respectively, so as to install the elastic mechanism 20 on the fixing member 60, and the two clamping members 62 are used for clamping the free ends 23 of the elastic portions 22, so as to prevent the free ends 23 from falling from the openings of the grooves 601.
Referring to fig. 1 to 21, the present invention further provides a mobile power supply, where the mobile power supply includes the above-mentioned clamping device, and the specific structure of the clamping device refers to the above-mentioned embodiment. The portable power source further includes a battery (not shown) accommodated in the case 10.
Specifically, the battery is accommodated in the accommodation space 51.
When the mobile power supply charges the electronic equipment such as the mobile phone, the mobile power supply clamps and fixes the electronic equipment such as the mobile phone to the shell 10, so that the length of the charging wire of the electronic equipment such as the mobile phone and the mobile power supply is greatly shortened, and the whole mobile power supply is more concise and attractive; when photographing is needed, the positions of the electronic equipment such as the mobile phone and the like can be adjusted until the lens of the electronic equipment such as the mobile phone and the like is exposed out of the shell 10, and the mobile power supply and the electronic equipment such as the mobile phone and the like can be held by one hand at the same time, so that photographing is convenient, and the operation is simpler and more convenient; the shell 10 of the mobile power supply has compact internal structure and reasonable arrangement, and compared with the existing mobile power supply with the same size, the mobile power supply is smaller in the accommodating chamber 611 for accommodating the elastic mechanism 20 and the connecting mechanism 30 and larger in the accommodating space 51 for accommodating the battery, so that the capacity of the mobile power supply is greatly improved, and more durable power supply is provided for electronic equipment such as mobile phones.
Referring to fig. 4, 16-17, and 20-21, two ends of the housing 10 are respectively provided with an opening 13, and the housing 10 further includes two cover plates 12, each cover plate 12 covers one opening 13.
According to the technical scheme of the invention, two ends of the shell 10 are respectively provided with an opening 13, specifically, the two openings 13 are communicated with the accommodating space 51 and the accommodating cavity 61, so that the fixing piece 60, the elastic mechanism 20 and the connecting mechanism 30 are conveniently installed, and each cover plate 12 is covered on one opening 13 by arranging two cover plates 12, so that the sealing effect is achieved.
Referring to fig. 20 and 21, a cover 12 is provided with at least one charging port 121 and at least one discharging port 122.
Preferably, the discharge interface 122 is a USB (Universal Serial Bus ) interface.
Further, the charging interface 121 and the discharging interface 122 are electrically connected to the battery.
According to the technical scheme of the invention, at least one charging interface 121 and at least one discharging interface 122 are arranged on one cover plate 12, the battery is charged through the charging interface 121, and the battery transmits power to external electronic equipment such as mobile phones and the like through the discharging interface 122.
Referring to fig. 17 to 21, the portable power source further includes a main board 70 accommodated in the case 10 and two main board fixing members 80 respectively connected to both ends of the main board 70, and the main board 70 is fixed to the case 10 by the main board fixing members 80.
Further, the main board 70 is electrically connected to the battery.
Specifically, the main board 70 and the main board holder 80 are accommodated in the accommodating space 51.
According to the technical scheme of the invention, the two ends of the main board 70 are fixed in the shell 10 through the two main board fixing pieces 80, so that the problems of unstable power supply and the like caused by the influence of the connection between the main board 70 and the battery due to the displacement of the main board 70 in the shell 10 are prevented.
With continued reference to fig. 17 to 21, at least one first mounting hole 701 is formed at each end of the main board 70, the main board fixing member 80 includes a first connection portion 81 and a second connection portion 82 connected to the first connection portion 81, the first connection portion 81 is formed with at least one second mounting hole 811, each second connection portion 82 is formed with at least one flange 812 near one end of the main board 70, and the flange 812 is accommodated in the corresponding first mounting hole 701.
Further, each flange 812 is welded to its corresponding first mounting hole 701.
Further, at least one third mounting hole 131 is formed at two side edges of the opening 13 of the housing 10.
The two ends of the main board 70 in the technical scheme of the invention are respectively provided with at least one first mounting hole 701, the main board fixing piece 80 comprises a first connecting part 81 and a second connecting part 82 connected with the first connecting part 81, the first connecting part 81 is provided with at least one second mounting hole 811, and concretely, the mobile power supply also comprises a plurality of bolts (not shown), one end of each bolt is connected with a cover board 12, and the other end of each bolt sequentially passes through the second mounting hole 811 and the third mounting hole 131 and then is fixed on the shell 10; at least one flange 812 is formed at one end of each second connection portion 82 near the main board 70, and the flange 812 is received in the corresponding first mounting hole 701. In the assembly of the portable power source of the present invention, the cover plate 12 is covered and fixed on the opening 13 of the housing 10, and the main board 70 is fixed in the housing 10, so as to prevent the main board 70 from displacing in the housing 10 to cause unstable power supply and other problems.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.