CN114669825A

CN114669825A - Auxiliary welding device for electric bicycle circuit board

Info

Publication number: CN114669825A
Application number: CN202210583956.3A
Authority: CN
Inventors: 贡建军; 韩兆建; 孙记泽
Original assignee: Xuzhou Tailing Vehicle Co ltd
Current assignee: Xuzhou Rongteng Intelligent Equipment Research Institute Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-06-28
Anticipated expiration: 2042-05-27
Also published as: CN114669825B

Abstract

The invention relates to the technical field of production and processing of electric bicycle circuit boards, in particular to an auxiliary welding device of an electric bicycle circuit board, which comprises a carrying box, wherein the carrying box is connected with a power supply structure, the carrying box is connected with an air draft structure, the carrying box is connected with a protection structure, the carrying box is connected with a placing structure, the carrying box is connected with a containing structure, and the carrying box is connected with a clamping structure; can provide electric power for the convulsions structure through the power supply structure, the convulsions structure can be taken out from the welding and produce the smoke and dust, the smoke and dust enters into eyes the inside when avoiding welding, and influence the welding effect, protective structure plays the guard action, can close when not using, it is convenient for place instruments such as electric iron to place the structure, can be convenient for accomodate placing tiny electronic component through accomodating the structure, avoid losing, be convenient for carry out the centre gripping to the bicycle circuit board through clamping structure, can carry the box inside fast when not using.

Description

Auxiliary welding device for electric bicycle circuit board

Technical Field

The invention relates to the technical field of production and processing of electric bicycle circuit boards, in particular to an auxiliary welding device for an electric bicycle circuit board.

Background

The inside circuit board that contains of electric bicycle controls and information display through the circuit board to the vehicle, in electric bicycle's production and processing process, need weld the circuit board, with corresponding electronic component welding to the circuit board on, for the sake of convenience of welded going on in welding process, need assist through supplementary welding set.

When present electric bicycle circuit board welding, carry out supplementary welding through welding auxiliary fixture more, only have the clamping action usually, the function singleness can produce the smoke and dust during the welding, and the smoke and dust easily gets into eyes, influences staff's welding effect, and instruments such as auxiliary fixture and electric iron are separated more and are placed, portable and accomodate not being convenient for, fragile when bumping.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides an auxiliary welding device for a circuit board of an electric bicycle.

The technical scheme adopted by the invention for solving the technical problems is as follows: an auxiliary welding device for a circuit board of an electric bicycle comprises a carrying box, wherein a power supply structure for supplying power is connected to the carrying box, an air exhaust structure for exhausting welding smoke dust is connected to the carrying box, a protection structure for protecting is connected to the carrying box, a placing structure for placing tools is connected to the carrying box, a containing structure for containing parts is connected to the carrying box, and a clamping structure for fixedly clamping the circuit board is connected to the carrying box;

the containing structure comprises a storage box, the storage box is connected to the inner parts of two ends of the carrying box in a sliding manner, a gear is connected to the inner part of the carrying box in a rotating manner, a rack is fixedly connected to the bottom end of the storage box, a pair of racks is respectively meshed with two sides of the gear, the rack is connected with the carrying box in a sliding manner, a second spring is fixedly connected to one end of the inner part of the carrying box, one end of the second spring can be abutted against the side wall of one of the storage boxes, a pressing block and a limiting block are connected to one end of the carrying box in a sliding manner, a fourth spring is fixedly connected between the pressing block and the carrying box, a pull rod is fixedly connected to the top end of the limiting block, a third spring is fixedly connected between the pressing block and the pull rod, a limiting groove is arranged on the surface of one end of the storage box close to one end of the pressing block, and the bottom end of the limiting block is in an inclined plane shape, the limiting block can stretch into the limiting groove.

Specifically, the power supply structure comprises a battery, the battery is installed at one end of the carrying box, and a wiring hole is formed in one end of the battery.

Specifically, protective structure includes the protective cover, the one end of carrying the box is rotated and is connected with the protective cover, the one end fixedly connected with locking block of protective cover, the one end of carrying the box is equipped with the locking groove, the one end sliding connection who carries the box and be located the locking groove has the lockplate, lockplate and carry the first spring of fixedly connected with between the box, the locking block can stretch into the locking groove, the locking block is "L" shape structure, the lockplate deviates from the one end of first spring and is "L" shape structure.

Specifically, the convulsions structure is including accomodating the groove, the one end of protective cover is equipped with and accomodates the groove, the protective cover is located the one end rotation of accomodating the groove and is connected with a pair of bracing piece, and is a pair of the one end of bracing piece is rotated and is connected with the fixed plate, install two sets of exhaust fan on the fixed plate, the inside of accomodating the groove can be taken in to fixed plate and bracing piece.

Specifically, the placing structure includes the standing groove, the protective cover inboard is equipped with a pair of standing groove, the protective cover is located a pair of fixation clamp of the inside one end fixedly connected with of standing groove, the fixation clamp is made by the rubber material, the fixation clamp is "C" shape structure.

Specifically, the clamping structure comprises a pair of moving rods, the carrying box is slidably connected with the pair of moving rods, moving blocks are fixedly connected to two ends of each moving rod, the moving blocks are slidably connected with the carrying box through sliding grooves, a pair of sliding grooves are formed in two ends of the carrying box, a sixth spring is fixedly connected between each moving block and the carrying box, supporting plates are rotatably connected to two ends of each moving rod, a connecting plate is rotatably connected to one end of each adjacent pair of supporting plates, a sliding rod is slidably connected to each adjacent pair of supporting plates and the connecting plate, a clamping plate is fixedly connected to one end of each sliding rod, which is far away from the connecting plate, each sliding rod is in a U shape, a fifth spring is movably sleeved at two ends of each sliding rod, two ends of each fifth spring respectively abut against the clamping plate and the connecting plate, a control block is slidably connected to one end of the carrying box, and abutting contact blocks are abutted against two ends of the control block, one side of the carrying box is connected with a pair of abutting blocks in a sliding mode, a seventh spring is abutted between the abutting blocks and the carrying box, the abutting blocks are of an L-shaped structure, and the abutting blocks can stretch into the sliding grooves to abut against the moving blocks.

The invention has the beneficial effects that:

(1) the invention relates to an auxiliary welding device for a circuit board of an electric bicycle, wherein a power supply structure for supplying power is connected to a carrying box, an air draft structure for exhausting welding smoke dust is connected to the carrying box, a protective structure for protecting is connected to the carrying box, a placing structure for placing tools is connected to the carrying box, electric power can be supplied to the air draft structure through the power supply structure, the air draft structure can exhaust the welding smoke dust, the phenomenon that the welding smoke dust enters eyes when welding is avoided, the welding effect is influenced, the protective structure plays a protective role, and can be closed when not in use, so that the auxiliary welding device is convenient to carry, and the placing structure is convenient for placing tools such as an electric soldering iron and the like, namely: according to pressing the lockplate, first spring will compress, the "L" end of lockplate will break away from with "L" shape locking piece, outside unscrewing the protective cover, the locking piece will break away from with the locking groove, the protective cover plays the guard action to carrying box inside, grab the fixed plate, will follow and accomodate the groove with fixed plate and bracing piece and screw out, the bracing piece plays the supporting role, the smoke and dust that two sets of induced draught fans on the fixed plate produced when can be with the welded circuit board is taken out away, thereby avoid getting into staff's eye and influence the welding, tools such as electric iron can be placed to standing groove inside, the fixation clamp of rubber material plays fixed action, the fixation clamp is "C" shape, the fixed of tools such as the electric iron of being convenient for is with taking off, the battery can provide electric power for electric iron and induced draught fan etc., the connection of wiring hole convenience electric iron.

(2) According to the auxiliary welding device for the circuit board of the electric bicycle, the carrying box is connected with the containing structure for containing parts, tiny electronic elements can be conveniently contained and placed through the containing structure, and loss is avoided, namely: when the protective cover is opened, the protective cover is separated from the top end of the press block, under the pushing of the fourth spring, the press block moves upwards, the bottom end of the press block pulls the pull rod to move upwards, the pull rod pulls the limiting block to be separated from the limiting groove, the second spring extends to push the storage box which is in contact with the second spring to move outwards, so as to drive the racks on the storage box to move outwards, under the action of the gear, the pair of racks move backwards, so that the pair of storage boxes move outwards at the same time by a certain distance, so as to be convenient for pulling out the storage boxes and placing electronic elements inside the storage boxes, when the protective cover is closed, the protective cover presses the press block, the press block is in contact with the wall of the carrying box, the fourth spring is compressed, the third spring pushes the pull rod to move downwards, the limiting block is in contact with the storage boxes, the third spring is compressed, the storage boxes can be pushed into the interior of the carrying box, the receiver will drive the spacing groove motion, and when spacing groove and stopper were parallel, the third spring will promote the stopper and enter into the spacing groove to opening of restriction receiver avoids electronic component to drop.

(3) According to the auxiliary welding device for the circuit board of the electric bicycle, the carrying box is connected with the clamping structure for fixedly clamping the circuit board, the bicycle circuit board is conveniently clamped through the clamping structure, and the circuit board can be rapidly collected into the carrying box when not in use, so that the carrying box is convenient to carry and use, namely: upwards pulls the pair of slide bars, thereby pulling the supporting plate to be gradually vertical to the surface of the carrying box, the connecting plate upwards moves, thereby enabling the pair of moving bars to be close to each other, thereby driving the moving blocks to slide in the sliding grooves and to be close to each other, the sixth spring is elongated, when the moving blocks move to one ends of the abutting blocks, the moving blocks push the L-shaped abutting blocks to move towards the seventh spring, one ends of the abutting blocks are in an inclined plane shape, when the moving blocks pass the abutting blocks, the seventh spring pushes the abutting blocks to extend out, thereby limiting the moving blocks, thereby enabling the supporting plate to be vertical, the slide bars are pulled to two sides of the carrying box, the slide bars are in a U shape, the distance between the pair of clamping plates is increased, the fifth spring is compressed, thereby placing the bicycle circuit board between the pair of clamping plates, loosening the slide bars, the fifth spring pushes the pair of clamping plates to move towards each other, thereby clamping the circuit board, therefore, welding can be carried out, after welding is completed, the circuit board is taken down by pulling the sliding rod, the control block is pressed, the control block pushes the pair of abutting blocks to move towards the direction of the seventh spring, the seventh spring is compressed, the abutting blocks are separated from the moving block, the sixth spring is shortened, the moving block is pulled to move, the pair of moving rods are separated, the supporting plate is rotated, the sliding column is retracted into the carrying box, and the carrying box is convenient to use next time.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic overall structure diagram of an auxiliary welding device for a circuit board of an electric bicycle according to a preferred embodiment of the present invention;

FIG. 2 is an enlarged view of the part A shown in FIG. 1;

FIG. 3 is an enlarged view of the structure of the portion B shown in FIG. 1;

FIG. 4 is a schematic view of the connection structure of the carrying case and the control block of the present invention;

FIG. 5 is a schematic view of the connection structure of the carrying case and the storage case according to the present invention;

FIG. 6 is a schematic view of the connection of the carrying case of the present invention with the locking plate;

FIG. 7 is a schematic view showing a connection structure of the carrying case and the compact of the present invention.

In the figure: 1. carrying the box; 2. a power supply structure; 201. a battery; 202. a wiring hole; 3. an air draft structure; 301. a fixing plate; 302. an air draft fan; 303. a support bar; 304. a receiving groove; 4. a protective structure; 401. a locking block; 402. a protective cover; 403. a locking plate; 404. a locking groove; 405. a first spring; 5. a placement structure; 501. a placement groove; 502. a fixing clip; 6. a receiving structure; 601. a storage box; 602. a limiting groove; 603. briquetting; 604. a rack; 605. a gear; 606. a second spring; 607. a third spring; 608. a pull rod; 609. a limiting block; 610. a fourth spring; 7. a clamping structure; 701. a support plate; 702. a slide bar; 703. a fifth spring; 704. a splint; 705. a travel bar; 706. a chute; 707. a control block; 708. a connecting plate; 709. a moving block; 710. a sixth spring; 711. a contact block; 712. and a seventh spring.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 7, the auxiliary welding device for the electric bicycle circuit board comprises a carrying box 1, wherein a power supply structure 2 for supplying power is connected to the carrying box 1, an air exhaust structure 3 for exhausting welding smoke is connected to the carrying box 1, a protective structure 4 for protecting is connected to the carrying box 1, a placing structure 5 for placing tools is connected to the carrying box 1, a containing structure 6 for containing parts is connected to the carrying box 1, and a clamping structure 7 for fixing and clamping a circuit board 502 is connected to the carrying box 1;

the containing structure 6 comprises a containing box 601, wherein the containing boxes 601 are slidably connected to the insides of both ends of the carrying box 1, a gear 605 is rotatably connected to the inside of the carrying box 1, a rack 604 is fixedly connected to the bottom end of the containing box 601, a pair of the racks 604 are respectively engaged with both sides of the gear 605, the racks 604 are slidably connected to the carrying box 1, a second spring 606 is fixedly connected to one end of the inside of the carrying box 1, one end of the second spring 606 can be abutted against the side wall of one of the containing boxes 601, a pressing block 603 and a limiting block 609 are slidably connected to one end of the carrying box 1, a fourth spring 610 is fixedly connected between the pressing block 603 and the carrying box 1, a pull rod 608 is fixedly connected to the top end of the limiting block 609, the pull rod 608 is slidably connected to the bottom end of the pressing block 603, and a third spring 607 is fixedly connected between the pressing block 603 and the pull rod 608, a limiting groove 602 is formed in the surface of one end, close to one end of the pressing block 603, of the storage box 601, the bottom end of the limiting block 609 is in an inclined plane shape, and the limiting block 609 can extend into the limiting groove 602; when the protective cover 402 is opened, the protective cover 402 will be separated from the top end of the pressing block 603, under the push of the fourth spring 610, the pressing block 603 will move upwards, the bottom end of the pressing block 603 will pull the pull rod 608 to move upwards, the pull rod 608 will pull the stop 609 and the limit groove 602 to separate, the second spring 606 will extend, thereby pushing the storage box 601 abutted by the second spring 606 to move outwards, thereby driving the rack 604 on the storage box 601 to move outwards, under the action of the gear 605, the pair of racks 604 will move backwards, thereby simultaneously moving a distance outwards for a pair of storage boxes 601, thereby facilitating the storage box 601 to be pulled out, thereby facilitating the electronic elements to be placed inside the storage box 601, when the protective cover 402 is closed, the protective cover 402 will press the pressing block 603, the pressing block 603 enters the inside of the carrying box 1 wall, the fourth spring 610 will compress, the third spring 607 will push the pull rod 608 to move downwards, stopper 609 will contradict with receiver 601, and third spring 607 compresses, promotes receiver 601 alright with receiver 601 push carry box 1's inside, receiver 601 will drive spacing groove 602 motion, and when spacing groove 602 and stopper 609 were parallel, third spring 607 will promote stopper 609 and enter into spacing groove 602 to the opening of restriction receiver 601 avoids electronic component to drop.

Specifically, the power supply structure 2 includes a battery 201, the battery 201 is installed at one end of the carrying box 1, and a wiring hole 202 is formed at one end of the battery 201; the battery 201 can provide power for the ferroelectrics and the air draft fan 302, and the wiring hole 202 facilitates the connection of the ferroelectrics.

Specifically, the protective structure 4 comprises a protective cover 402, one end of the carrying box 1 is rotatably connected with the protective cover 402, one end of the protective cover 402 is fixedly connected with a locking block 401, one end of the carrying box 1 is provided with a locking groove 404, one end of the carrying box 1, which is located at the locking groove 404, is slidably connected with a locking plate 403, a first spring 405 is fixedly connected between the locking plate 403 and the carrying box 1, the locking block 401 can extend into the locking groove 404, the locking block 401 is in an "L" shaped structure, and one end of the locking plate 403, which is away from the first spring 405, is in an "L" shaped structure; pressing the locking plate 403, the first spring 405 will compress, the "L" end of the locking plate 403 will disengage from the "L" locking block 401, the protecting cover 402 will be unscrewed outwards, the locking block 401 will disengage from the locking groove 404, and the protecting cover 402 will protect the inside of the carrying case 1.

Specifically, the air draft structure 3 comprises a receiving groove 304, the receiving groove 304 is formed in one end of a protective cover 402, one end, located in the receiving groove 304, of the protective cover 402 is rotatably connected with a pair of support rods 303, one end of the pair of support rods 303 is rotatably connected with a fixing plate 301, two groups of air draft fans 302 are mounted on the fixing plate 301, and the fixing plate 301 and the support rods 303 can be received in the receiving groove 304; seize fixed plate 301, will follow and accomodate groove 304 with fixed plate 301 and bracing piece 303 and screw out, bracing piece 303 plays the supporting role, and the smoke and dust that produces when two sets of induced draught fans 302 on fixed plate 301 can be with the welded circuit board is taken out and is left to avoid getting into in staff's the eye and influence the welding.

Specifically, the placing structure 5 includes a placing groove 501, a pair of placing grooves 501 are formed in the inner side of the protecting cover 402, a pair of fixing clips 502 are fixedly connected to one end of the protecting cover 402 located inside the placing groove 501, the fixing clips 502 are made of rubber materials, and the fixing clips 502 are in a C-shaped structure; the placing groove 501 can be internally provided with tools such as an electric soldering iron, the fixing clamp 502 made of rubber plays a role in fixing and fixing, and the fixing clamp 502 is C-shaped, so that the tools such as the electric soldering iron can be fixed and taken down conveniently.

Specifically, the clamping structure 7 includes a pair of moving rods 705, the carrying case 1 is slidably connected with the pair of moving rods 705, two ends of the moving rods 705 are fixedly connected with moving blocks 709, the moving blocks 709 are slidably connected with the carrying case 1 through sliding grooves 706, two ends of the carrying case 1 are respectively provided with a pair of sliding grooves 706, a sixth spring 710 is fixedly connected between the moving blocks 709 and the carrying case 1, two ends of the moving rods 705 are respectively rotatably connected with a supporting plate 701, one end of each adjacent pair of supporting plates 701 is rotatably connected with a connecting plate 708, each adjacent pair of supporting plates 701 and the connecting plate 708 are slidably connected with a sliding rod 702, one end of each sliding rod 702, which is far away from the connecting plate 708, is fixedly connected with a clamping plate 704, each sliding rod 702 is U-shaped, two ends of each sliding rod 702 are respectively movably sleeved with a fifth spring 703, two ends of each fifth spring 703 are respectively connected with the clamping plates 704, A connecting plate 708 is abutted, one end of the carrying box 1 is slidably connected with a control block 707, two ends of the control block 707 are abutted with abutting blocks 711, one side of the carrying box 1 is slidably connected with a pair of abutting blocks 711, a seventh spring 712 is abutted between the abutting blocks 711 and the carrying box 1, the abutting blocks 711 are in an L-shaped structure, and the abutting blocks 711 can extend into the sliding grooves 706 to be abutted against the moving blocks 709; the pair of sliding bars 702 are pulled upwards to pull the supporting plate 701 to be gradually vertical to the surface of the carrying case 1, the connecting plate 708 moves upwards to make the pair of moving bars 705 approach each other, so as to drive the moving block 709 to slide inside the sliding groove 706 and approach each other, the sixth spring 710 is elongated, when the moving block 709 moves to one end of the abutting block 711, the moving block 709 pushes the L-shaped abutting block 711 to move towards the seventh spring 712, one end of the abutting block 711 is inclined, when the moving block 709 passes by the abutting block 711, the seventh spring 712 pushes the abutting block 711 to extend out, so as to limit the moving block 709, so as to make the supporting plate 701 vertical, the sliding bars 702 are pulled to both sides of the carrying case 1, the sliding bars 702 slide to both sides, the sliding bars 702 are U-shaped, the distance between the pair of clamping plates 704 is increased, the fifth spring 703 is compressed, so as to place the bicycle circuit board between the pair of clamping plates 704, after the welding is finished, the sliding rod 702 is pulled to remove the circuit board, the control block 707 is pressed, the control block 707 pushes the pair of contact blocks 711 to move towards the direction of the seventh spring 712, the seventh spring 712 is compressed, the contact blocks 711 and the moving block 709 are separated, the sixth spring 710 is shortened, the moving block 709 is pulled to move, the pair of moving rods 705 are separated, the supporting plate 701 is rotated, the sliding columns are retracted into the carrying box 1, and the next use is facilitated.

When the portable box is used, firstly, the locking plate 403 is pressed, the first spring 405 is compressed, the L-shaped end of the locking plate 403 is separated from the L-shaped locking block 401, the protective cover 402 is unscrewed outwards, the locking block 401 is separated from the locking groove 404, the protective cover 402 plays a role in protecting the interior of the portable box 1, the fixing plate 301 is grasped, the fixing plate 301 and the supporting rod 303 are unscrewed from the accommodating groove 304, the supporting rod 303 plays a supporting role, the two groups of air draft fans 302 on the fixing plate 301 can pump away smoke dust generated when a circuit board is welded, so that welding is prevented from being influenced by entering eyes of workers, tools such as electric soldering irons and the like can be placed in the placing groove 501, the fixing clamp 502 made of rubber materials plays a role in fixing and fixing, the fixing clamp 502 is C-shaped, the fixing and the taking-down of the electric soldering irons and the like are convenient, when the protective cover 402 is opened, the protective cover 402 is separated from the top end of the pressing block 603, under the pushing of the fourth spring 610, the pressing block 603 moves upwards, the bottom end of the pressing block 603 pulls the pull rod 608 to move upwards, the pull rod 608 pulls the limit block 609 to disengage from the limit groove 602, the second spring 606 extends to push the storage box 601 abutted against the second spring 606 to move outwards, so as to drive the racks 604 on the storage box 601 to move outwards, under the action of the gear 605, so as to move the pair of racks 604 back to back, so as to simultaneously move the pair of storage boxes 601 outwards for a distance, so as to facilitate the pulling out of the storage box 601, so as to facilitate the placement of electronic elements into the interior of the storage box 601, when the protective cover 402 is closed, the protective cover 402 presses the pressing block 603, the pressing block 603 enters the interior of the wall of the carrying box 1, the fourth spring 610 compresses, the third spring 607 pushes the pull rod 608 to move downwards, the limit block 609 is abutted against the storage box 601, the third spring 607, the storage box 601 can be pushed into the carrying box 1 by pushing the storage box 601, the storage box 601 drives the limiting groove 602 to move, when the limiting groove 602 is parallel to the limiting block 609, the third spring 607 pushes the limiting block 609 to enter the limiting groove 602, so as to limit the storage box 601 from being opened, electronic components are prevented from falling off, the battery 201 can provide power for the electric iron and the air draft fan 302, the wiring hole 202 facilitates the connection of the electric iron, the pair of sliding rods 702 are pulled upwards, so that the supporting plate 701 is pulled to be gradually perpendicular to the surface of the carrying box 1, the connecting plate 708 moves upwards, so that the pair of moving rods 705 approach each other, so as to drive the moving block to slide in the sliding groove 706 and approach each other, the sixth spring 710 is elongated, when the moving block 709 moves to one end of the abutting block 711, the moving block 709 pushes the L-shaped abutting block 711 to move towards the seventh spring 712, one end of the abutting block 711 is in an inclined plane shape, when the moving block 709 passes by the contact block 711, the seventh spring 712 pushes the contact block 711 to extend, so as to limit the moving block 709, so as to make the support plate 701 vertical, the sliding bar 702 is pulled towards both sides of the carrying case 1, the sliding bar 702 is in a "U" shape, the distance between the pair of clamping plates 704 is increased, the fifth spring 703 is compressed, so as to place the bicycle circuit board between the pair of clamping plates 704, the sliding bar 702 is released, the fifth spring 703 pushes the pair of clamping plates 704 to move towards each other, so as to clamp the circuit board, so as to perform welding, after the welding is completed, the sliding bar 702 is pulled to take down the circuit board, the control block 707 is pressed, the control block 707 pushes the pair of contact blocks 711 to move towards the seventh spring 712, the seventh spring 712 is compressed, the contact blocks are separated from the moving block 709, the sixth spring 710 is shortened, so as to pull the moving block 709 to separate the pair of moving rods 705, thereby rotating the support plate 701 and allowing the sliding columns to be received inside the carrying case 1, thereby facilitating the next use.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The auxiliary welding device for the circuit board of the electric bicycle is characterized by comprising a carrying box (1), wherein a power supply structure (2) used for supplying power is connected to the carrying box (1), an air draft structure (3) used for exhausting welding smoke dust is connected to the carrying box (1), a protective structure (4) used for protecting is connected to the carrying box (1), a placing structure (5) used for placing tools is connected to the carrying box (1), a containing structure (6) used for containing parts is connected to the carrying box (1), and a clamping structure (7) used for fixing and clamping the circuit board (502) is connected to the carrying box (1);

the containing structure (6) comprises a containing box (601), the containing boxes (601) are connected to the inner portions of two ends of the carrying box (1) in a sliding mode, a gear (605) is connected to the inner portion of the carrying box (1) in a rotating mode, a rack (604) is fixedly connected to the bottom end of the containing box (601), a pair of racks (604) are meshed with two sides of the gear (605), the racks (604) are connected with the carrying box (1) in a sliding mode, a second spring (606) is fixedly connected to one end of the inner portion of the carrying box (1), one end of the second spring (606) can be abutted against the side wall of one containing box (601), a pressing block (603) and a limiting block (609) are connected to one end of the carrying box (1) in a sliding mode, a fourth spring (610) is fixedly connected between the pressing block (603) and the carrying box (1), and a pull rod (608) is fixedly connected to the top end of the limiting block (609), the bottom sliding connection of pull rod (608) and briquetting (603), fixedly connected with third spring (607) between briquetting (603) and pull rod (608), be close to in receiver (601) one end surface of briquetting (603) one end is equipped with spacing groove (602).

2. The auxiliary welding device for the electric bicycle circuit board according to claim 1, wherein: the bottom of stopper (609) is the inclined plane form, stopper (609) can stretch into inside spacing groove (602).

3. The auxiliary welding device for the electric bicycle circuit board according to claim 1, wherein: the power supply structure (2) comprises a battery (201), the battery (201) is installed at one end of the carrying box (1), and a wiring hole (202) is formed in one end of the battery (201).

4. The auxiliary welding device for the electric bicycle circuit board according to claim 1, wherein: protective structure (4) include protective cover (402), the one end of carrying box (1) is rotated and is connected with protective cover (402), the one end fixedly connected with locking block (401) of protective cover (402), the one end of carrying box (1) is equipped with locking groove (404), the one end sliding connection who carries box (1) and be located locking groove (404) has locking plate (403), locking plate (403) and carry first spring (405) of fixedly connected with between box (1), locking block (401) can stretch into locking groove (404).

5. The auxiliary welding device for the electric bicycle circuit board according to claim 4, wherein: the locking block (401) is of an L-shaped structure, and one end, away from the first spring (405), of the locking plate (403) is of an L-shaped structure.

6. The auxiliary welding device for the electric bicycle circuit board according to claim 4, wherein: convulsions structure (3) are including accomodating groove (304), the one end of protective cover (402) is equipped with and accomodates groove (304), the one end that protective cover (402) are located and accomodate groove (304) is rotated and is connected with a pair of bracing piece (303), and is a pair of the one end of bracing piece (303) is rotated and is connected with fixed plate (301), install two sets of exhaust fan (302) on fixed plate (301), fixed plate (301) and bracing piece (303) can be taken in and accomodate the inside of groove (304).

7. The auxiliary welding device for the electric bicycle circuit board according to claim 4, wherein: the placing structure (5) comprises a placing groove (501), a pair of placing grooves (501) is formed in the inner side of the protective cover (402), and the protective cover (402) is located at one end inside the placing grooves (501) and fixedly connected with a pair of fixing clamps (502).

8. The auxiliary welding device for the electric bicycle circuit board according to claim 7, wherein: the fixing clamp (502) is made of rubber materials, and the fixing clamp (502) is of a C-shaped structure.

9. The auxiliary welding device for the electric bicycle circuit board according to claim 1, wherein: the clamping structure (7) comprises a pair of moving rods (705), the carrying box (1) is connected with the pair of moving rods (705) in a sliding mode, two ends of each moving rod (705) are fixedly connected with moving blocks (709), the moving blocks (709) are connected with the carrying box (1) in a sliding mode through sliding grooves (706), two ends of each carrying box (1) are respectively provided with a pair of sliding grooves (706), a sixth spring (710) is fixedly connected between each moving block (709) and the carrying box (1), two ends of each moving rod (705) are respectively connected with a supporting plate (701) in a rotating mode, one end of each adjacent pair of supporting plates (701) is connected with a connecting plate (708) in a rotating mode, a sliding rod (702) is connected onto each adjacent pair of supporting plates (701) and the connecting plates (708) in a sliding mode, and one end, which deviates from the connecting plate (708), of each sliding rod (702) is fixedly connected with a clamping plate (704), the sliding rod (702) is U-shaped, a fifth spring (703) is movably sleeved at two ends of the sliding rod (702), two ends of the fifth spring (703) are respectively abutted against the clamping plate (704) and the connecting plate (708), one end of the carrying box (1) is slidably connected with a control block (707), two ends of the control block (707) are abutted against contact blocks (711), one side of the carrying box (1) is slidably connected with a pair of contact blocks (711), and a seventh spring (712) is abutted between the contact blocks (711) and the carrying box (1).

10. The auxiliary welding device for the electric bicycle circuit board according to claim 9, wherein: the contact block (711) is of an L-shaped structure, and the contact block (711) can extend into the sliding groove (706) and is abutted against the moving block (709).