Charging stand for mobile terminal and mobile terminal

Abstract

The present invention discloses a charging stand for a mobile terminal and a mobile terminal, comprising a charging terminal assembly and a mobile terminal assembly; a moving mechanism is connected to the middle of the inner side of the mobile terminal assembly, a spring is arranged between the moving mechanism and the charging terminal, a clamping mechanism and a cleaning mechanism are arranged on both sides of the moving mechanism, two cleaning mechanisms are meshed and connected with the charging terminal assembly, and two telescopic connecting mechanisms are fixedly connected to the bottom of the charging terminal assembly; both sides of the mobile terminal assembly are connected to the moving connecting mechanism, and the spacing between the two moving connecting mechanisms is equal to the spacing between the two telescopic connecting mechanisms; after the mobile terminal assembly is placed on the moving mechanism, the device utilizes the movement of the moving mechanism to drive the cleaning mechanism to move back and forth, thereby cleaning the dust on the surface of the moving connecting mechanism on the mobile terminal assembly, so as to avoid the phenomenon of poor contact during the connection and charging process.

Description

Technical Field

[0001] The invention belongs to the field of electronic technology, and in particular relates to a charging stand for a mobile terminal and a mobile terminal. Background Art

[0002] With the widespread use of smart mobile devices, the demand for charging cradles for charging these mobile terminals is increasing. However, because the charging interface of the mobile terminal is exposed to the outside, dust accumulated on the charging interface can easily cause poor contact between the charging cradle and the mobile terminal, so that the mobile terminal cannot be charged on the charging cradle. At the same time, the charging cradle and the mobile terminal generate a lot of heat during the charging process, and traditional devices cannot take away the heat inside the mobile terminal. Long-term exposure to high temperature will affect its service life. Summary of the invention

[0003] In order to solve the above problems existing in the prior art, an object of the present invention is to provide a charging stand for a mobile terminal and a mobile terminal.

[0004] The technical solution adopted by the present invention is:

[0005] A charging stand for a mobile terminal and a mobile terminal, comprising a charging terminal component and a mobile terminal component;

[0006] A moving mechanism is connected to the middle of the inner side of the mobile terminal assembly, a spring is arranged between the moving mechanism and the charging terminal, a clamping mechanism and a cleaning mechanism are arranged on both sides of the moving mechanism, the two cleaning mechanisms are meshed and connected with the charging terminal assembly, and two telescopic connection mechanisms are fixedly connected to the bottom of the charging terminal assembly;

[0007] Both sides of the mobile terminal assembly are connected with movable connection mechanisms, and the distance between the two movable connection mechanisms is equal to the distance between the two telescopic connection mechanisms.

[0008] Preferably, the mobile terminal assembly includes a charging box, a movable slide groove and two racks are provided on the inner back of the charging box, a charging assembly is fixedly connected to the bottom of the charging box, and fans are fixedly connected to both sides of the charging box.

[0009] Preferably, both sides of the charging box are fixedly connected with a motor and rotatably connected with a screw, and the output shaft of the motor on each side is fixedly connected to the screw on the same side. Preferably, the moving mechanism includes a first moving bracket slidably connected to the charging box and a second moving bracket threadedly connected to the two screws, a spring is provided between the first moving bracket and the charging box, the second moving bracket is slidably connected to the first moving bracket, a first pad is provided on the second moving bracket, and a contact sensor is fixedly installed in the middle of the first pad.

[0010] Preferably, the second movable bracket is provided with two charging through holes, and the first pad is provided with two charging slot holes, and one end of each charging slot hole is on the same axis as the corresponding charging through hole.

[0011] Preferably, each of the clamping mechanisms includes a clamping bracket slidably connected to the first movable bracket, the clamping bracket and the second movable bracket are connected together by a clamping link, a second pad is provided on the side where the two clamping brackets are close to each other, and each clamping bracket is fixedly mounted with a first magnet on the lower side of the second pad.

[0012] Preferably, each of the cleaning mechanisms includes a crankshaft rotatably connected to the second movable bracket and a cleaning bracket slidably connected to the second movable bracket, one end of each crankshaft is fixedly connected to a gear, the two gears are respectively meshed with two racks, the crankshaft and one end of the cleaning bracket on the same side are connected through a cleaning connecting rod, and the other end of each cleaning bracket is fixedly connected to a brush, and the two brushes are respectively located in the two charging slot holes.

[0013] Preferably, the telescopic connection mechanism includes a first charging body fixedly connected to the charging box body, a second charging body is embedded in the first charging body, a first ventilation hole is provided on the second charging body, an annular elastic member is provided between the second charging body and the first charging body, the first charging body and the charging assembly are connected by a wire, a spiral groove is provided on the inside of the first charging body, and a spiral boss matching the spiral groove is provided on the outside of the second charging body, and the spiral boss is slidably connected in the spiral groove.

[0014] Preferably, the mobile terminal assembly comprises a mobile box, in which a vertical slide groove and a curved slide rail are arranged, the curved slide rail is provided with a curved slide groove, and a mobile through hole is arranged at the bottom of the mobile box.

[0015] Preferably, the movable connection mechanism includes a first connection slide slidably connected to the curved slide rail, the charging receptor slidably connected to the vertical slide and a terminal sliding bracket slidably connected to the curved slide groove, a second magnet is fixedly installed on the side of the first connection slide close to the movable box, a columnar elastic member is arranged between the first connection slide and the movable box, the first connection slide and the terminal sliding bracket are connected by two parallel first terminal connecting rods, a movable cover is fixedly connected to the lower end of the terminal sliding bracket, the movable cover corresponds to the size of the movable through hole, one of the first terminal connecting rods is connected to the charging receptor by a second terminal connecting rod, a long slot hole is arranged on one side of the second terminal connecting rod, the first terminal connecting rod is slidably connected in the long slot hole, and a second ventilation hole is arranged on the top of the charging receptor (707).

[0016] The beneficial effects of the present invention are:

[0017] 1. After the mobile terminal assembly is placed on the mobile mechanism, the device uses the movement of the mobile mechanism to drive the cleaning mechanism to move back and forth, thereby cleaning the dust on the surface of the mobile connection mechanism on the mobile terminal assembly to ensure the normal operation of the device and avoid poor contact during the connection and charging process.

[0018] 2. The device pushes the second charging body to move inwardly of the first charging body. During the compression process, the second charging body rotates under the cooperation of the spiral boss and the spiral groove. The accumulated dust between the mobile connecting mechanism and the second charging body can be removed by the rotation of the second charging body, and the dust attached to the mobile connecting mechanism that is difficult to remove can be effectively removed.

[0019] 3. The device utilizes the first ventilation hole on the telescopic connection mechanism and the second ventilation hole on the movable connection mechanism, so that when in use, the cooling air blown out by the fan can be introduced into the interior of the mobile terminal assembly, so that the interior of the mobile terminal assembly can be cooled while cooling the charging terminal assembly. Compared with the traditional external cooling method, the cooling effect of the device can be effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the structure of the charging terminal assembly of the present invention;

[0023] Figure 3 is a schematic diagram of the structure of a mobile terminal component of the present invention;

[0024] Figure 4 It is a schematic diagram of the structure of the moving mechanism and the clamping mechanism of the present invention;

[0025] Figure 5 It is a schematic diagram of the cleaning mechanism structure of the present invention;

[0026] Figure 6 It is a schematic diagram of the structure of the telescopic connection mechanism of the present invention;

[0027] Figure 7 The mobile connection mechanism of the present invention is schematically shown in FIG. Figure 1 ;

[0028] Figure 8 The mobile connection mechanism of the present invention is schematically shown in FIG. Figure 2 .

[0029] In the figure: 1-charging terminal assembly, 101-charging box, 102-movable slide, 103-rack, 104-charging assembly, 105-fan, 106-screw, 107-motor, 2-mobile terminal assembly, 201-movable box, 202-vertical slide, 203-curved slide rail, 204-movable through hole, 3-moving mechanism, 301-first mobile bracket, 302-second mobile bracket, 303-first pad, 304-contact sensor, 4-clamping mechanism, 401-clamping bracket, 402-clamping connecting rod, 403- The second pad, 404-the first magnet, 5-the cleaning mechanism, 501-the crankshaft, 502-the gear, 503-the cleaning bracket, 504-the brush, 505-the cleaning connecting rod, 6-the telescopic connecting mechanism, 601-the first charging body, 602-the second charging body, 603-the annular elastic member, 7-the moving connecting mechanism, 701-the first connecting slide, 702-the second magnet, 703-the cylindrical elastic member, 704-the terminal sliding bracket, 705-the moving cover plate, 706-the first terminal connecting rod, 707-the charging receptor, 708-the second terminal connecting rod. DETAILED DESCRIPTION

[0030] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0031] Combine the following Figure 1-8The specific implementation mode of the present invention is described as follows: a charging stand for a mobile terminal and a mobile terminal, comprising a charging terminal assembly 1 and a mobile terminal assembly 2; a moving mechanism 3 is connected to the middle of the inner side of the mobile terminal assembly 2, a spring is arranged between the moving mechanism 3 and the charging terminal, a clamping mechanism 4 and a cleaning mechanism 5 are arranged on both sides of the moving mechanism 3, the two cleaning mechanisms 5 are meshedly connected with the charging terminal assembly 1, and two telescopic connecting mechanisms 6 are fixedly connected to the bottom of the charging terminal assembly 1; moving connecting mechanisms 7 are connected to both sides of the inside of the mobile terminal assembly 2, and the spacing between the two moving connecting mechanisms 7 is equal to the spacing between the two telescopic connecting mechanisms 6. Preferably, the mobile terminal assembly 2 includes a charging box 101, a movable slide 102 and two racks 103 are arranged on the inner back of the charging box 101, a charging assembly 104 is fixedly connected to the bottom of the charging box 101, and fans 105 are fixedly connected to both sides of the charging box 101. Both sides of the charging box 101 are fixedly connected to motors 107 and screw rods 106, and the output shaft of the motor 107 on each side is fixedly connected to the screw rod 106 on the same side; the two fixed parts of the charging box 101 are fixedly connected to the motor 107 and the screw rod 106 on the same side. An L-shaped baffle 108 is fixedly connected to each side, and an air duct is formed between one side of the L-shaped baffle 108 and the horizontal plate of the inner wall of the charging box 101, and a dust exhaust port 109 is arranged at the end of the air duct; when the moving mechanism 3 moves to the lowermost end, the bottom of the moving mechanism 3 will contact the upper end of the L-shaped baffle 108, so that a closed space is formed between the L-shaped baffle 108 and the horizontal plate of the inner wall of the charging box 101, and after starting the fan 105, the wind passes through the mobile terminal component 2 and then passes through the closed air duct, so that the dust cleaned by the cleaning mechanism 5 can be discharged through the dust exhaust port 109.

[0032] The mobile mechanism 3 includes a first mobile bracket 301 slidably connected to the charging box 101 and a second mobile bracket 302 threadedly connected to the two screw rods 106, a spring is arranged between the first mobile bracket 301 and the charging box 101, the second mobile bracket 302 is slidably connected to the first mobile bracket 301, a first pad 303 is arranged on the second mobile bracket 302, and a contact sensor 304 is fixedly installed in the middle of the first pad 303; two charging through holes are arranged on the second mobile bracket 302, and two charging slot holes are arranged on the first pad 303, and one end of each charging slot hole is on the same axis as the corresponding charging through hole; each of the clamping mechanisms 4 includes a clamping bracket 401 slidably connected to the first mobile bracket 301, the clamping bracket 401 and the second mobile bracket 302 are connected together by a clamping link 402, and the two clamping brackets A second pad 403 is provided on one side close to the bracket 401, and each clamping bracket 401 is fixedly installed with a first magnet 404 on the lower side of the second pad 403; when the mobile terminal assembly 2 is placed on the mobile mechanism 3, the mobile box 201 touches the contact sensor 304, and the starting motor 107 drives the screw rod 106 to rotate, and the threaded connection between the screw rod 106 and the second mobile bracket 302 drives the second mobile bracket 302 to move downward. Under the action of the spring between the first mobile bracket 301 and the charging box 101, the relative distance between the second mobile bracket 302 and the first mobile bracket will change, and then the rotating clamping bracket 401 on both sides is pulled toward the middle by the clamping link 402, which will clamp the mobile terminal assembly 2. At the same time, the first pad 303 and the second pad 403 are provided on the first mobile bracket 301 and the second mobile bracket 302. Such a setting can prevent damage caused by collision during charging. Preferably, each of the cleaning mechanisms 5 includes a crankshaft 501 rotatably connected to the second mobile bracket 302 and a cleaning bracket 503 slidably connected to the second mobile bracket 302, one end of each of the crankshafts 501 is fixedly connected to a gear 502, the two gears 502 are respectively meshed with the two racks 103, the crankshaft 501 and one end of the cleaning bracket 503 on the same side are connected via a cleaning connecting rod 505, and the other end of each of the cleaning brackets 503 is fixedly connected to a brush 504, the two brushes 504 are respectively located in the two charging slots; during the movement of the second mobile bracket 302, the gear 502 will be driven to mesh with the rack 103, thereby driving the crankshaft 501 to rotate, and during the rotation, the connection of the cleaning connecting rod 505 is used to push the brush 504 on the cleaning bracket 503 to reciprocate, thereby cleaning the dust on the mobile connecting mechanism 7 in the mobile terminal assembly 2.

[0033] Preferably, the telescopic connection mechanism 6 includes a first charging body 601 fixedly connected to the charging box 101, a second charging body 602 is embedded in the first charging body 601, a first ventilation hole is provided on the second charging body 602, an annular elastic member 603 is provided between the second charging body 602 and the first charging body 601, the first charging body 601 is connected to the charging assembly 104 through a wire, a spiral groove is provided on the inner side of the first charging body 601, and a spiral boss matching the spiral groove is provided on the outer side of the second charging body 602, and the spiral boss matching the spiral groove is provided on the outer side of the second charging body 602. The spiral boss is slidably connected in the spiral groove; when the first charging body 601 contacts the mobile connecting mechanism 7, it will push the second charging body 602 to move toward the inside of the first charging body 601 to compress the annular elastic member 603 arranged between the first charging body 601 and the second charging body 602. During the compression process, the second charging body 602 will rotate under the cooperation of the spiral boss and the spiral groove. The rotation of the second charging body 602 can be used to remove dust between the mobile connecting mechanism 7 and the second charging body 602, thereby preventing poor contact during the connection and charging process.

[0034] Preferably, in a specific embodiment of the present invention, again referring to Figure 2 , 7-8, the mobile terminal assembly 2 includes a mobile box 201, a vertical slide groove and a curved slide rail 203 are provided in the mobile box 201, the curved slide rail 203 is provided with a curved slide groove, and a mobile through hole 204 is provided at the bottom of the mobile box 201; the mobile connection mechanism 7 includes a first connection slide 701 slidably connected to the curved slide rail 203, the charging receptor 707 slidably connected to the vertical slide and a terminal sliding bracket 704 slidably connected to the curved slide groove, the first connection slide 701 is fixedly installed with a second magnet 702 on one side close to the mobile box 201, a columnar elastic member 703 is provided between the first connection slide 701 and the mobile box 201, and the first connection The slide bracket 701 is connected to the terminal sliding bracket 704 through two parallel first terminal connecting rods 706, and the lower end of the terminal sliding bracket 704 is fixedly connected to a movable cover plate 705, and the movable cover plate 705 corresponds to the size of the movable through hole 204. One of the first terminal connecting rods 706 and the charging receptor 707 is connected through a second terminal connecting rod 708, and a long slot hole is provided on one side of the second terminal connecting rod 708. The first terminal connecting rod 706 is slidably connected in the long slot hole, and a second ventilation hole is provided on the top of the charging receptor 707; when the mobile terminal component 2 is placed on the charging terminal component 1, under the action of the first magnet 404, the second magnet 702 is attracted to drive the first The connecting slide 701 moves, compressing the cylindrical elastic member 703 arranged between the first connecting slide 701 and the mobile box 201201, and then driving the terminal sliding bracket 704 and the charging receptor 707 to slide through the first terminal connecting rod 706 and the second terminal connecting rod 708 respectively, so that the moving cover plate 705 moves to one side, and the charging receptor 707 moves to the moving through hole 204, so that the mobile mechanism 3 moves to the lowermost end and connects the charging receptor 707 with the telescopic connecting mechanism 6 to charge the mobile terminal assembly 2; by setting the moving cover plate 705, it is possible to prevent impurities from entering and accumulating in the mobile connecting mechanism 7 during the use of the mobile terminal assembly 2, causing contact without affecting the charging effect; through the curved slide groove, the terminal During the movement of the sliding bracket 704, the moving cover plate 705 is first pulled out of the moving through hole 204 to avoid damage to the moving through hole 204 and the moving cover plate 705; by setting a long slot on the second terminal connecting rod 708, such a setting can only drive the charging receptor 707 to move downward after the first terminal connecting rod 706 slides to the limit position of the long slot, and such a setting can prevent the terminal sliding bracket 704 and the charging receptor 707 from interfering with each other during the movement; by using the setting of the first ventilation hole and the second ventilation hole, the cooling air blown out by the fan 105 can be introduced into the interior of the mobile terminal assembly 2 when in use, so that the interior of the mobile terminal assembly 2 can be cooled while cooling the charging terminal assembly 1;Since the diameter of the charging receptor 707 is smaller than the through hole 204, the air entering the mobile terminal assembly 2 through the telescopic connection mechanism 6 returns to the interior of the charging terminal assembly 1 in the gap between the charging receptor 707 and the through hole 204. During charging, the second mobile bracket 302 and the L-shaped baffle 108 are tightly fitted to form a closed space, and the air passing through the gap between the charging receptor 707 and the through hole 204 can bring the dust falling around the telescopic connection mechanism 6 out of the dust outlet 109, and then use the cooling wind to bring the dust cleaned by the cleaning mechanism 5 out of the charging terminal assembly 1, so that the interior of the charging terminal assembly 1 is cleaned while cooling, preventing the accumulation of dust inside the charging terminal assembly 1 due to long-term use. ;

[0035] The present invention provides a charging stand and a mobile terminal for a mobile terminal, and the working principle of the device is as follows: during use, when the mobile terminal assembly 2 is placed on the mobile mechanism 3, the mobile box 201 touches the contact sensor 304, and the starting motor 107 drives the screw rod 106 to rotate, and the threaded connection between the screw rod 106 and the second mobile bracket 302 is used to drive the second mobile bracket 302 to move downward. Under the action of the spring between the first mobile bracket 301 and the charging box 101, the relative distance between the second mobile bracket 302 and the first mobile bracket will change, and then the rotating clamping brackets 401 on both sides are pulled to move toward the middle through the clamping connecting rod 402, so that the mobile terminal assembly 2 will be clamped, and at the same time, the first pad 303 and the second pad 403 are arranged on the first mobile bracket 301 and the second mobile bracket 302, such an arrangement can prevent damage caused by collision during charging; during the movement of the second mobile bracket 302, the gear 502 will be driven to mesh with the rack 103, and then the crankshaft 501 will be driven to rotate, and the cleaning connecting rod 50 is used to clean the crankshaft 501 during the rotation. 5, the connection pushes the brush 504 on the cleaning bracket 503 to reciprocate, thereby cleaning the dust on the mobile connection mechanism 7 in the mobile terminal assembly 2; when the mobile terminal assembly 2 is placed on the charging terminal assembly 1, under the action of the first magnet 404, the second magnet 702 is attracted to drive the first connection slide 701 to move, compress the cylindrical elastic member 703 set between the first connection slide 701 and the mobile box 201201, and then the terminal sliding bracket 704 and the charging receptor 707 are driven to slide through the first terminal connecting rod 706 and the second terminal connecting rod 708 respectively, so that the mobile cover plate 705 moves to one side, and the charging receptor 707 moves to the mobile through hole 204, so that the mobile mechanism 3 moves to the lowermost end and the charging receptor 707 is connected to the telescopic connection mechanism 6, so that the mobile terminal assembly 2 can be charged; by utilizing the setting of the first ventilation hole and the second ventilation hole, the cooling air blown out by the fan 105 can be introduced into the interior of the mobile terminal assembly 2 when in use, so that the interior of the mobile terminal assembly 2 can be cooled while the charging terminal assembly 1 is cooled.

[0036] The present invention is not limited to the above-mentioned optional implementation modes. Anyone can derive other various forms of products under the inspiration of the present invention. However, no matter what changes are made in the shape or structure, all technical solutions that fall within the scope defined by the claims of the present invention fall within the protection scope of the present invention.

Claims

1. A charging stand for a mobile terminal and a mobile terminal, comprising a charging terminal component (1) and a mobile terminal component (2), characterized in that: A moving mechanism (3) is connected to the middle of the inner side of the mobile terminal assembly (2), a spring is arranged between the moving mechanism (3) and the charging terminal, a clamping mechanism (4) and a cleaning mechanism (5) are arranged on both sides of the moving mechanism (3), the two cleaning mechanisms (5) are meshedly connected to the charging terminal assembly (1), and two telescopic connection mechanisms (6) are fixedly connected to the bottom of the charging terminal assembly (1); Both sides of the mobile terminal assembly (2) are connected to a movable connection mechanism (7), and the distance between the two movable connection mechanisms (7) is equal to the distance between the two telescopic connection mechanisms (6); The mobile terminal assembly (2) comprises a charging box (101), a movable slide groove (102) and two racks (103) are arranged on the inner back of the charging box (101), a charging assembly (104) is fixedly connected to the bottom of the charging box (101), and fans (105) are fixedly connected to both sides of the charging box (101); Both sides of the charging box (101) are fixedly connected to a motor (107) and rotatably connected to a screw rod (106), and the output shaft of the motor (107) on each side is fixedly connected to the screw rod (106) on the same side; The moving mechanism (3) comprises a first moving bracket (301) slidably connected to the charging box (101) and a second moving bracket (302) threadedly connected to the two screw rods (106), a spring is arranged between the first moving bracket (301) and the charging box (101), the second moving bracket (302) is slidably connected to the first moving bracket (301), a first pad (303) is arranged on the second moving bracket (302), and a contact sensor (304) is fixedly installed in the middle of the first pad (303).

2. The charging stand for a mobile terminal and the mobile terminal according to claim 1, characterized in that: The second mobile bracket (302) is provided with two charging through holes, and the first pad (303) is provided with two charging slot holes, and one end of each charging slot hole is on the same axis as the corresponding charging through hole.

3. The charging stand for a mobile terminal and the mobile terminal according to claim 1, characterized in that: Each of the clamping mechanisms (4) comprises a clamping bracket (401) slidably connected to the first movable bracket (301); the clamping bracket (401) and the second movable bracket (302) are connected together via a clamping connecting rod (402); a second pad (403) is provided on one side of the two clamping brackets (401) adjacent to each other; and each clamping bracket (401) is fixedly provided with a first magnet (404) on the lower side of the second pad (403).

4. The charging stand for a mobile terminal and the mobile terminal according to claim 2, characterized in that: Each of the cleaning mechanisms (5) comprises a crankshaft (501) rotatably connected to the second movable bracket (302) and a cleaning bracket (503) slidably connected to the second movable bracket (302); one end of each of the crankshafts (501) is fixedly connected to a gear (502); the two gears (502) are respectively meshed with two racks (103); the crankshaft (501) and one end of the cleaning bracket (503) on the same side are connected via a cleaning connecting rod (505); the other end of each of the cleaning brackets (503) is fixedly connected to a brush (504); the two brushes (504) are respectively located in the two charging slots.

5. The charging stand for a mobile terminal and the mobile terminal according to claim 1, characterized in that: The telescopic connection mechanism (6) includes a first charging body (601) fixedly connected to the charging box (101), a second charging body (602) is embedded in the first charging body (601), a first ventilation hole is provided on the second charging body (602), an annular elastic member (603) is provided between the second charging body (602) and the first charging body (601), the first charging body (601) and the charging assembly (104) are connected by a wire, a spiral groove is provided on the inner side of the first charging body (601), and a spiral boss matching the spiral groove is provided on the outer side of the second charging body (602), and the spiral boss is slidably connected in the spiral groove.

6. The charging stand for a mobile terminal and the mobile terminal according to claim 5, characterized in that: The mobile terminal assembly (2) comprises a mobile box (201), wherein the mobile box (201) is provided with a vertical slide groove and a curved slide rail (203), wherein the curved slide rail (203) is provided with a curved slide groove, and a mobile through hole (204) is provided at the bottom of the mobile box (201).

7. The charging stand for a mobile terminal and the mobile terminal according to claim 6, characterized in that: The mobile connection mechanism (7) comprises a first connection slide (701) slidably connected to the curved slide rail (203), a charging receptor (707) slidably connected to the vertical slide, and a terminal sliding bracket (704) slidably connected to the curved slide groove, a second magnet (702) is fixedly mounted on a side of the first connection slide (701) close to the mobile box (201), a columnar elastic member (703) is provided between the first connection slide (701) and the mobile box (201), and a charging receptor (707) is provided between the first connection slide (701) and the terminal sliding bracket (704). The terminal sliding bracket (704) is connected by two parallel first terminal connecting rods (706), and the lower end of the terminal sliding bracket (704) is fixedly connected with a movable cover plate (705), and the movable cover plate (705) corresponds to the size of the movable through hole (204). One of the first terminal connecting rods (706) and the charging receptor (707) is connected by a second terminal connecting rod (708), and a long slot hole is arranged on one side of the second terminal connecting rod (708), and the first terminal connecting rod (706) is slidably connected in the long slot hole. The top of the charging receptor (707) is provided with a second ventilation hole.

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