CN113434023A

CN113434023A - Connecting device for computer and external equipment

Info

Publication number: CN113434023A
Application number: CN202110756965.3A
Authority: CN
Inventors: 袁立; 胡勇; 吴永斌; 谢俐; 周伟
Original assignee: Chongqing Electric Power College
Current assignee: Chongqing Electric Power College
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2021-09-24

Abstract

The invention discloses a connecting device for a computer and external equipment, which comprises a main body, a connecting plate frame, a heat dissipation main body, a connector, a protective structure and a supporting structure, wherein the protective structure is optimally arranged, a connecting wire arranged in a rectangular groove, a through groove and a circular hole is limited by a first clamping block and a second clamping block, and when the connecting device needs to be disassembled, a sliding block is moved, and the sliding block enables a rod body to drive the first clamping block and the second clamping block to move in the vertical direction through the matching between an upper rack and a lower rack, so that the limiting protection of the connecting wire is separated, and the disassembly, the assembly and the installation protection can be rapidly carried out; set up bearing structure through optimizing, left cardboard and right cardboard are close to each other under the effect of first spring and second spring in order to press from both sides tight the position on quick-witted case or need the installation, and when the adapter sleeve was located the top side, the tooth post breaks away from the contact with the tooth's socket, can make the adapter sleeve drive the main part and turn to the regulation after breaking away from the contact, can freely adjust the removal to the position of placing.

Description

Connecting device for computer and external equipment

Technical Field

The invention relates to the field related to electronic technology, in particular to a connecting device for a computer and external equipment.

Background

External devices of a computer such as an earphone, a microphone, a transmission line and the like are not connected with the computer for a long time, a plug is plugged when the external devices are used, and the external devices are usually unplugged after the external devices are used.

But prior art computer and external equipment's connecting device structure is simple relatively, and inconvenient protecting the wiring in the use, make the wiring pull out to insert the back for a long time and cause the interface to loosen easily, influence the stability of connecting to inconvenient as required freely adjusts the removal to the position of placing.

Disclosure of Invention

Therefore, in order to solve the above-mentioned disadvantages, the present invention provides a connection device for a computer and an external device.

The invention is realized in such a way that a connecting device for a computer and external equipment is constructed, the device comprises a main body, a connecting plate frame, a heat dissipation main body, a connector, a protection structure and a supporting structure, wherein the right side of the main body is connected with the connecting plate frame, the front side in the main body is connected with the heat dissipation main body, the left side of the main body is provided with the connector, the protection structure is wrapped outside the connector, the top side of the supporting structure is connected with the main body, the protection structure comprises a frame seat, a limiting component, a rectangular groove, a through groove and a circular hole, the right side of the frame seat is fixed with the main body, the top side in the frame seat is connected with the limiting component, and the front part.

Preferably, the connector is provided with a plurality of, and the interface position that rectangular channel, logical groove and circular port correspond the shape on with the connector corresponds.

Preferably, the limiting assembly comprises a sliding block, an upper rack, a gear, a support, a lower rack, a push rod component, a support piece and a long spring, the sliding block is connected to the upper right side of the top of the frame seat in a sliding mode, the bottom of the sliding block is connected with the upper rack, the bottom side of the upper rack is connected with the lower rack through the gear, the rear side of the gear is connected with the support in a rotating mode, the rear side of the support is fixed with the frame seat, the left end portion of the lower rack is connected with the push rod component, the bottom of the lower rack is connected with the support piece in a sliding mode, the right end portion of the lower rack is elastically abutted to the frame seat through the long spring, and the left side of the push rod component is connected with the frame seat.

Preferably, the left side and the right side of the sliding block are provided with rectangular pieces, and the rectangular pieces are in sliding connection with the top side inside the frame seat.

Preferably, the push rod part includes the body of rod, first connecting rod, first fixture block, second connecting rod, second fixture block, spring and cover seat, body of rod right side is fixed mutually with lower rack, body of rod surface right side is rotated through first connecting rod and first fixture block and is connected, both sides rotate through second connecting rod and second fixture block respectively about the body of rod left part and are connected, the second fixture block runs through circular port inboard rather than upper and lower sliding connection, body of rod left end portion surface parcel has the spring, and body of rod left side insert the cover seat inboard rather than sliding connection, the cover seat left side is fixed mutually with the frame seat.

Preferably, the left end of the rod body is provided with a lug, and the top side of the lug is in sliding connection with the sleeve seat.

Preferably, the number of the first clamping blocks is five, and the five first clamping blocks are respectively inserted into the bottom side of the rectangular groove and the top side of the through groove and are in up-and-down sliding connection with the rectangular groove and the through groove.

Preferably, the supporting structure comprises a frame, a steering component, a rotating sheet, a first sliding sleeve, a first sliding rod, a first spring, a right clamping plate, a second sliding sleeve, a second sliding rod, a second spring and a left clamping plate, the steering component is fixedly connected to the middle of the top of the frame, the top side of the steering component is connected with the main body, the rotating sheet is rotatably connected to the middle of the inside of the frame, the front side and the rear side of the top of the rotating sheet are respectively and rotatably connected with the first sliding sleeve and the second sliding sleeve, the first sliding sleeve is in sliding connection with the right side of the first sliding sleeve, the outer surface of the first sliding sleeve is elastically abutted against the first sliding rod through the first spring, the right part of the first sliding rod is rotatably connected with the right clamping plate, the top side of the right clamping plate penetrates through the bottom side of the frame and is in transverse sliding connection with the frame, the left side of the second sliding sleeve, the left side of the second sliding rod is rotatably connected with the left clamping plate, and the top side of the left clamping plate penetrates through the bottom of the frame and is in transverse sliding connection with the frame.

Preferably, the steering assembly comprises a cylinder seat, a toothed column, a connecting sleeve, a toothed groove, a protruding piece and a compression spring, wherein the bottom of the cylinder seat is fixed with the frame, the toothed column is vertically fixed on the inner side of the cylinder seat, the connecting sleeve is connected to the inner side of the top of the cylinder seat in a sliding manner, the toothed groove is formed in the inner side of the connecting sleeve, the protruding piece is fixedly connected to the bottom side of the outer part of the connecting sleeve, the top side of the protruding piece is elastically abutted against the cylinder seat through the compression spring, and the compression spring is wrapped on the outer surface of the connecting sleeve.

Preferably, when the connecting sleeve is positioned at the bottommost side, the tooth column is inserted into the tooth groove to be clamped with the tooth column, and when the connecting sleeve is positioned at the topmost side, the tooth column is separated from the tooth groove.

Preferably, the connecting sleeve and the tooth column are both made of stainless steel.

Preferably, the material used for the frame is an aluminum alloy.

The invention has the following advantages: the invention provides a connecting device for a computer and an external device through improvement, compared with the same type of device, the connecting device has the following improvement:

the method has the advantages that: according to the connecting device for the computer and the external equipment, the protective structure is optimally arranged, the wiring arranged in the rectangular groove, the through groove and the circular hole is limited through the first clamping block and the second clamping block, the sliding block is moved when the connecting device needs to be disassembled, the rod body is driven by the sliding block through the matching between the upper rack and the lower rack to drive the first clamping block and the second clamping block to move in the vertical direction through the sliding block, so that the limiting protection with the connecting wire is separated, the disassembling, the assembling and the assembling protection can be quickly carried out, and the problems that the wiring is inconvenient to protect in the using process, the interface is easy to loosen after the wiring is pulled out and inserted for a long time, and the stability of the connection is influenced are solved.

The method has the advantages that: according to the connecting device for the computer and the external equipment, the supporting structure is optimally arranged, the left clamping plate and the right clamping plate are close to each other under the action of the first spring and the second spring to be clamped on the case or the position needing to be installed, when the connecting sleeve is positioned at the bottommost side, the tooth column is inserted into the tooth groove to be clamped with the tooth groove, the limiting effect is achieved, the rotation is prevented, when the connecting sleeve is positioned at the topmost side, the tooth column is separated from the tooth groove, after the contact is separated, the connecting sleeve can drive the main body to rotate and adjust, and the problem that the placed position is inconvenient to freely adjust and move according to needs is solved.

The method has the advantages that: according to the connecting device for the computer and the external equipment, the rectangular pieces are arranged on the left side and the right side of the sliding block and are in sliding connection with the top side inside the frame base, so that a closing effect is achieved, and foreign matters are prevented from entering the inner side.

The advantages are that: according to the connecting device for the computer and the external equipment, the left end part of the rod body is provided with the convex block, the top side of the convex block is connected with the sleeve seat in a sliding mode, the rod body is convenient to move and limit, the number of the first clamping blocks is five, and the five first clamping blocks are inserted into the bottom side of the rectangular groove and the top side of the through groove respectively and are connected with the bottom side of the rectangular groove and the top side of the through groove in a sliding mode up and down, so that wiring is convenient to clamp, and the connection stability is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the protective structure of the present invention;

FIG. 3 is a schematic structural view of a stop assembly of the present invention;

FIG. 4 is a schematic view of the construction of the pusher member of the present invention;

FIG. 5 is a schematic structural view of the support structure of the present invention;

FIG. 6 is a schematic view of the internal structure of the frame of the present invention;

fig. 7 is a schematic view of the construction of the steering assembly of the present invention.

Wherein: the heat dissipation device comprises a main body-1, a connecting plate frame-2, a heat dissipation main body-3, a connecting head-4, a protection structure-5, a supporting structure-6, a frame seat-51, a limiting component-52, a rectangular groove-53, a through groove-54, a circular hole-55, a sliding block-521, an upper rack-522, a gear-523, a support-524, a lower rack-525, a push rod component-526, a support piece-527, a long spring-528, a rod body-5261, a first connecting rod-5262, a first clamping block-5263, a second connecting rod-5264, a second clamping block-5265, a spring-5266, a sleeve seat-5267, a frame-61, a steering component-62, a rotating piece-63, a first sliding sleeve-64, a first sliding rod-65, a first spring-66, a rotating component-63, a rotating piece-526, a first sliding sleeve-64, a first sliding rod-65, a first spring-66, a second clamping block-5265, a second clamping block-525, a second clamping block-526, a second clamping block-5267, a second clamping block-526, a spring, a second clamping block-5267, a second clamping block, a right catch plate-67, a second sliding sleeve-68, a second sliding rod-69, a second spring-610, a left catch plate-611, a cylinder seat-621, a tooth column-622, a connecting sleeve-623, a tooth groove-624, a lug-625 and a compression spring-626.

Detailed Description

The present invention will be described in detail below with reference to fig. 1 to 7, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1, the connecting device for a computer and an external device according to the present invention includes a main body 1, a connecting plate frame 2, a heat dissipating main body 3, a connector 4, a protection structure 5 and a supporting structure 6, wherein the right side of the main body 1 is connected with the connecting plate frame 2, the front side inside the main body 1 is connected with the heat dissipating main body 3, the left side of the main body 1 is provided with the connector 4, the protection structure 5 is wrapped outside the connector 4 to facilitate the protection and the limitation of the joint of the interfaces, and the top side of the supporting structure 6 is connected with the main body 1 to facilitate the installation at different positions as required.

Referring to fig. 2, the protection structure 5 of the connection device for a computer and an external device of the present invention includes a frame seat 51, a limiting component 52, a rectangular groove 53, a through groove 54 and a circular hole 55, the right side of the frame seat 51 is fixed to the main body 1 to support the frame seat, the limiting component 52 is connected to the top side inside the frame seat 51, the limiting component 52 limits and protects the connection position, the rectangular groove 53, the through groove 54 and the circular hole 55 are respectively formed at the front of the frame seat 51, and the connection head is conveniently installed.

Referring to fig. 3 and 4, a limiting assembly 52 of the present invention includes a sliding block 521, an upper rack 522, a gear 523, a support 524, a lower rack 525, a pushing rod component 526, a support plate 527 and a long spring 528, the sliding block 521 is slidably connected to the upper right side of the top of a frame seat 51 to perform a moving support function, the bottom of the sliding block 521 is connected to the upper rack 522, the bottom side of the upper rack 522 is connected to the lower rack 525 through the gear 523, the rear side of the gear 523 is rotatably connected to the support 524, the gear 523 is driven to rotate by the upper rack 522, the rear side of the support 524 is fixed to the frame seat 51 to perform a supporting function, the left end of the lower rack 525 is connected to the pushing rod component 526 to facilitate driving the pushing rod component 526 to move, the bottom of the lower rack 525 is slidably connected to the support plate 527 to perform a supporting movement function, the right end of the lower rack 525 is elastically abutted to the frame seat 51 through the spring 528, the long spring 528 provides a counterforce to the lower rack 525, the left side of the push rod component 526 is connected with the frame seat 51, the push rod component 526 comprises a rod body 5261, a first connecting rod 5262, a first block 5263, a second connecting rod 5264, a second block 5265, a spring 5266 and a sleeve seat 5267, the right side of the rod body 5261 is fixed with the lower rack 525 for driving to move, the right side of the outer surface of the rod body 5261 is rotatably connected with the first block 5263 through the first connecting rod 5262 for driving the first block 5263 to move in the vertical direction, the upper side and the lower side of the left part of the rod body 5261 are respectively rotatably connected with the second block 5265 through the second connecting rod 5264, the second block 5265 penetrates through the inner side of the circular hole 55 for wrapping up and down sliding connection, so as to drive the second block 5265 to vertically move in the circular hole 55, the spring 5266 is arranged on the outer surface of the left end part of the rod body 5261, and the left side of the sleeve seat 5267 is inserted into sliding connection with the inner side of the sleeve seat 5267 for facilitating the movement and the return of the rod body 5261, the left side of the sleeve seat 5267 is fixed to the frame seat 51 to support the same.

Referring to fig. 5, 6 and 7, a connection device for a computer and an external device according to the present invention includes a frame 61, a steering assembly 62, a rotating plate 63, a first sliding sleeve 64, a first sliding rod 65, a first spring 66, a right locking plate 67, a second sliding sleeve 68, a second sliding rod 69, a second spring 610 and a left locking plate 611, wherein the steering assembly 62 is fixedly connected to the top of the frame 61, the top of the steering assembly 62 is connected to the main body 1 to facilitate steering the main body 1, the rotating plate 63 is rotatably connected to the middle of the inside of the frame 61, the first sliding sleeve 64 and the second sliding sleeve 68 are rotatably connected to the top of the rotating plate 63, the first sliding sleeve 64 is slidably connected to the right, and the outer surface of the first sliding sleeve 64 is elastically abutted against the first sliding rod 65 through the first spring 66 to facilitate the first sliding rod 65 to be reset in the first sliding sleeve 64, the right part of the first sliding rod 65 is rotatably connected with the right clamping plate 67, which is favorable for driving the right clamping plate 67 to reset, the top side of the right clamping plate 67 penetrates through the bottom side of the frame 61 and is in transverse sliding connection with the bottom side of the frame, which plays a role in movement limiting, the left side of the second sliding sleeve 68 is in sliding connection with the second sliding rod 69, the outer surface of the second sliding sleeve 68 is elastically abutted against the second sliding rod 69 through the second spring 610, which is favorable for the second sliding rod 69 to reset in the second sliding sleeve 68, the left side of the second sliding rod 69 is rotatably connected with the left clamping plate 611, which is favorable for driving the left clamping plate 611 to reset, the top side of the left clamping plate 611 penetrates through the bottom of the frame 61 and is in transverse sliding connection with the frame, which plays a role in movement limiting, the steering assembly 62 comprises a cylinder base 621, a toothed column 622, a connecting sleeve 623, a toothed groove 624, a lug 625 and a compression spring 626, the bottom of the cylinder base 621 is fixed with the frame 61, the middle side of the inside of the cylinder base 621 is vertically fixed with the toothed column 622, the middle side of the top of the cylinder base 621, the connecting sleeve 623 is favorable for moving the height position in the cylinder seat 621, a tooth groove 624 is formed in the middle side inside the connecting sleeve 623, the tooth groove 624 is clamped by matching with the tooth column 622, a protruding piece 625 is fixedly connected to the bottom side of the outside of the connecting sleeve 623, the top side of the protruding piece 625 is elastically abutted to the cylinder seat 621 through a compression spring 626, and the compression spring 626 wraps the outer surface of the connecting sleeve 623, so that the connecting sleeve 623 is favorable for resetting.

Example two:

the invention relates to a connecting device for a computer and external equipment, wherein a plurality of connecting heads 4 are arranged, rectangular grooves 53, through grooves 54 and circular holes 55 correspond to correspondingly-shaped interface positions on the connecting heads 4 and are convenient to install and fix, the left side and the right side of a sliding block 521 are provided with rectangular sheets which are in sliding connection with the top side in a frame seat 51 to play a role of closing and preventing foreign matters from entering the inner side, the left end part of a rod body 5261 is provided with a convex block, the top side of the convex block is in sliding connection with a sleeve seat 5267 to facilitate the movement and the limiting of the rod body 5261, five first clamping blocks 5263 are arranged, and the five first clamping blocks 5263 are respectively inserted into the bottom side of the rectangular grooves 53 and the top side of the through grooves 54 and are in vertical sliding connection with the bottom side of the rectangular grooves 53 and the through grooves 54 to facilitate the clamping of connecting wires and increase the stability of the connection, when a connecting sleeve 623 is positioned at the bottommost, a tooth column 622 is inserted into a tooth groove 624 to be clamped with the tooth groove 624 to play a role of limiting and prevent the rotation, when the connecting sleeve 623 is located at the top side, the tooth column 622 is out of contact with the tooth groove 624, and after the contact is released, the connecting sleeve 623 can drive the main body 1 to adjust the steering direction.

The invention provides a connecting device for a computer and external equipment through improvement, and the working principle is as follows;

firstly, placing the design on a computer case or a position needing to be placed, and then connecting a computer wiring terminal with the connecting plate frame 2;

secondly, the left catch plate 611 and the right catch plate 67 are placed on two sides of the position to be installed through the main body 1, the left catch plate 611 is clamped on one side of the installation position through the movement of the second slide rod 69 in the second slide sleeve 68 and the contraction force of the second spring 610, the right catch plate 67 is clamped on the other side of the installation position through the movement of the first slide rod 65 in the first slide sleeve 64 and the contraction force of the first spring 66, and therefore clamping installation is performed through the left catch plate 611 and the right catch plate 67;

thirdly, when the orientation position of the main body 1 needs to be adjusted, a user pulls the main body 1 upwards to enable the connecting sleeve 623 to be disengaged from the toothed column 622, then the orientation position of the main body 1 is rotated, after adjustment, under the action of the compression spring 626 and the gravity of the main body 1, the connecting sleeve 623 is inserted onto the toothed column 622 again, and is engaged with the toothed column 622 through the internal tooth socket 624 for limiting;

fourthly, a user pushes the slider 521 rightwards, the slider 521 enables the lower rack 525 to drive the rod body 5261 to transversely slide in the support 527 and the sleeve seat 5267 through the matching of the upper rack 522 and the gear 523, so that the rod body 5261 enables the first block 5263 and the second block 5265 to move inwards through the first connecting rod 5262 and the second connecting rod 5264, the first block 5263 and the second block 5265 move out in the rectangular groove 53, the through groove 54 and the circular hole 55 respectively, and then external wiring is inserted into the connector for installation;

fifth, the user releases the slider 521 after the installation, and the first latch 5263 and the second latch 5265 are restored by the long spring 528 and the spring 5266, so that the external connection wire is latched and prevented from falling.

The invention provides a connecting device for a computer and external equipment through improvement, a protective structure 5 is optimally arranged, wiring arranged in a rectangular groove 53, a through groove 54 and a circular hole 55 is limited through a first clamping block 5263 and a second clamping block 5264, a sliding block 521 is moved when the connecting device is required to be disassembled, a rod body 5261 drives a first clamping block 5263 and a second clamping block 5265 to move in the vertical direction through the matching between an upper rack 522 and a lower rack 525 by the sliding block 521, so that the limiting protection with the connecting wire is separated, the disassembly, the assembly and the assembly protection can be rapidly carried out, the problems that the wiring is inconvenient to protect in the using process, the interface is easy to loosen after the wiring is pulled out and inserted for a long time, and the stability of the connection is influenced are solved, a supporting structure 6 is optimally arranged, a left clamping plate 611 and a right clamping plate 67 approach to each other under the action of a first spring 66 and a second spring 610 to clamp on a case or a position required to be assembled, when the connecting sleeve 623 is positioned at the bottommost side, the toothed column 622 is inserted into the toothed groove 624 and clamped with the toothed groove 624 to play a role of limiting and preventing rotation, when the connecting sleeve 623 is positioned at the topmost side, the toothed column 622 is separated from the toothed groove 624 for contact, and the connecting sleeve 623 can drive the main body 1 to rotate and adjust after separation of the contact, so that the problem that the placed position is inconvenient to freely adjust and move according to needs is solved; connector 4 is provided with a plurality ofly, and rectangular channel 53, it is corresponding with the interface position that corresponds the shape on connector 4 to lead to groove 54 and circular port 55, be convenient for install fixedly, the slider 521 left and right sides is provided with the rectangle piece, and rectangle piece and the inside top side sliding connection of frame seat 51, play closed effect, prevent that the foreign matter from getting into the inboard, body of rod 5261 left end is provided with the lug, and lug top side and cover seat 5267 sliding connection, it is spacing to be convenient for body of rod 5261 to remove, first fixture block 5263 is provided with five, and five first fixture block 5263 insert rectangular channel 53 bottom side and lead to groove 54 top side respectively and rather than upper and lower sliding connection, the chucking wiring of being convenient for, increase the stability of connecting.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A connecting device for a computer and external equipment comprises a main body (1), a connecting plate frame (2), a heat dissipation main body (3) and a connector (4), wherein the connecting plate frame (2) is connected to the right side of the main body (1), the heat dissipation main body (3) is connected to the front side inside the main body (1), and the connector (4) is arranged on the left side of the main body (1);

the method is characterized in that: still include protective structure (5) and bearing structure (6), protective structure (5) wrap up in the connector (4) outside, bearing structure (6) top side is connected with main part (1), protective structure (5) are including frame seat (51), spacing subassembly (52), rectangular channel (53), lead to groove (54) and circular port (55), frame seat (51) right side is fixed mutually with main part (1), frame seat (51) inside top side is connected with spacing subassembly (52), rectangular channel (53), lead to groove (54) and circular port (55) have been seted up respectively to frame seat (51) front portion.

2. A connecting device for a computer and an external apparatus according to claim 1, wherein: the connector (4) is provided with a plurality of rectangular grooves (53), through grooves (54) and circular holes (55), and the connector positions of the corresponding shapes on the connector (4) correspond to each other.

3. A connecting device for a computer and an external apparatus according to claim 1, wherein: the limiting assembly (52) comprises a sliding block (521), an upper rack (522), a gear (523), a support (524), a lower rack (525), a push rod component (526), a support piece (527) and a long spring (528), the sliding block (521) is connected to the right upper side of the top of the frame seat (51) in a sliding manner, the bottom of the sliding block (521) is connected with an upper rack (522), the bottom side of the upper rack (522) is connected with the lower rack (525) through a gear (523), the rear side of the gear (523) is rotationally connected with a support (524), the rear side of the support (524) is fixed with the frame seat (51), the left end part of the lower rack (525) is connected with the push rod component (526), the bottom of the lower rack (525) is connected with the support piece (527) in a sliding mode, the right end of the lower rack (525) is elastically abutted to the frame seat (51) through the long spring (528), and the left side of the push rod component (526) is connected with the frame seat (51).

4. A connecting device for a computer and an external apparatus according to claim 3, wherein: rectangular pieces are arranged on the left side and the right side of the sliding block (521), and the rectangular pieces are in sliding connection with the top side inside the frame base (51).

5. A connecting device for a computer and an external apparatus according to claim 3, wherein: the push rod component (526) comprises a rod body (5261), a first connecting rod (5262), a first clamping block (5263), a second connecting rod (5264), a second clamping block (5265), a spring (5266) and a sleeve seat (5267), the right side of the rod body (5261) is fixed with the lower rack (525), the right side of the outer surface of the rod body (5261) is rotatably connected with the first clamping block (5263) through the first connecting rod (5262), the upper side and the lower side of the left part of the rod body (5261) are respectively rotatably connected with the second clamping block (5265) through the second connecting rod (5264), the second clamping block (5265) penetrates through the inner side of the circular hole (55) and is in up-down sliding connection with the inner side, the outer surface of the left end of the rod body (5261) is wrapped with the spring (5266), the left side of the rod body (5261) is inserted into the inner side of the sleeve seat (5267) and is in sliding connection with the inner side.

6. A connecting device for a computer and an external device according to claim 5, wherein: the left end of the rod body (5261) is provided with a lug, and the top side of the lug is in sliding connection with the sleeve seat (5267).

7. A connecting device for a computer and an external device according to claim 5, wherein: the number of the first clamping blocks (5263) is five, and the five first clamping blocks (5263) are respectively inserted into the bottom side of the rectangular groove (53) and the top side of the through groove (54) and are in up-and-down sliding connection with the rectangular groove and the through groove.

8. A connecting device for a computer and an external apparatus according to claim 1, wherein: the supporting structure (6) comprises a frame (61), a steering component (62), a rotating sheet (63), a first sliding sleeve (64), a first sliding rod (65), a first spring (66), a right clamping plate (67), a second sliding sleeve (68), a second sliding rod (69), a second spring (610) and a left clamping plate (611), wherein the middle side of the top of the frame (61) is fixedly connected with the steering component (62), the top side of the steering component (62) is connected with the main body (1), the middle side of the inside of the frame (61) is rotatably connected with the rotating sheet (63), the front side and the rear side of the top of the rotating sheet (63) are respectively rotatably connected with the first sliding sleeve (64) and the second sliding sleeve (68), the right side of the first sliding sleeve (64) is slidably connected with the first sliding rod (65), the outer surface of the first sliding sleeve (64) is elastically abutted against the first sliding rod (65) through the first spring (66), and the right part of the first sliding rod (65) is rotatably connected with the right clamping plate (67), the top side of the right clamping plate (67) penetrates through the bottom side of the frame (61) and is in transverse sliding connection with the frame, the left side of the second sliding sleeve (68) is in sliding connection with the second sliding rod (69), the outer surface of the second sliding sleeve (68) is elastically abutted to the second sliding rod (69) through a second spring (610), the left side of the second sliding rod (69) is in rotating connection with the left clamping plate (611), and the top side of the left clamping plate (611) penetrates through the bottom of the frame (61) and is in transverse sliding connection with the left clamping plate.

9. A connecting device for a computer and an external device according to claim 8, wherein: the steering assembly (62) comprises a cylinder seat (621), a tooth column (622), a connecting sleeve (623), tooth grooves (624), protruding pieces (625) and compression springs (626), the bottom of the cylinder seat (621) is fixed with a frame (61), the tooth column (622) is vertically fixed on the inner side of the cylinder seat (621), the connecting sleeve (623) is connected to the middle side of the top of the cylinder seat (621) in a sliding mode, the tooth grooves (624) are formed in the inner middle side of the connecting sleeve (623), the protruding pieces (625) are fixedly connected to the outer bottom side of the connecting sleeve (623), the top side of the protruding pieces (625) is elastically abutted to the cylinder seat (621) through the compression springs (626), and the compression springs (626) wrap the outer surface of the connecting sleeve (623).

10. A connecting device for a computer and an external apparatus according to claim 9, wherein: when the connecting sleeve (623) is positioned at the bottommost side, the tooth column (622) is inserted into the tooth groove (624) to be clamped with the tooth column, and when the connecting sleeve (623) is positioned at the topmost side, the tooth column (622) is separated from the tooth groove (624).