CN114914985A

CN114914985A - Battery charger with heat radiation structure

Info

Publication number: CN114914985A
Application number: CN202210598041.XA
Authority: CN
Inventors: 刘华刚; 李伦; 黄心颜
Original assignee: Chongqing Xnd Communication Co ltd
Current assignee: Chongqing Xnd Communication Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-08-16

Abstract

The invention provides a battery charger with a heat dissipation structure, which relates to the technical field of battery charging and comprises a shell; the heat dissipation window is symmetrically arranged on two opposite sides of the shell, the dust screen is arranged in the heat dissipation window, the rotating shaft is arranged on the heat dissipation window, the adjustable baffle is fixedly arranged on the rotating shaft, the rotating gear is arranged at one end of the rotating shaft, the control cavity is arranged on the shell, the first rack meshed with the rotating gear is connected in the control cavity in a sliding mode, and the control structure capable of controlling the first rack to slide is arranged on the shell; the side that the casing was equipped with the heat dissipation window still is equipped with first buffer structure, and first buffer structure includes first buffer board, buffer beam, sliding plate and first buffer spring, and the one end of first rack is vertical to have set firmly the control panel, has set firmly on the sliding plate to stir the stirring piece that the control panel removed. The problem that the service life of a charger is affected by the fact that an open type heat dissipation structure in the prior art is prone to dust accumulation and collision, and electronic elements are prone to damage is solved.

Description

Battery charger with heat radiation structure

Technical Field

The invention relates to the technical field of battery charging, in particular to a battery charger with a heat dissipation structure.

Background

The existing battery charger is tightly sealed, so that a large amount of heat generated by the existing battery charger cannot be easily dissipated in the charging process of the battery charger, the internal damage of the battery charger is easily caused, and the service life of the battery charger is influenced; and the battery charger is easy to cause the electronic elements inside the battery charger to fall off and be damaged when the battery charger is carelessly dropped or collided in the using process, so that the service life of the battery charger is influenced.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a battery charger with a heat dissipation structure, which solves the problems that an open type heat dissipation structure in the prior art is easy to accumulate dust and easily damages electronic elements due to collision, and the service life of the battery charger is influenced.

In order to achieve the purpose, the invention adopts the following technical scheme:

a battery charger with a heat dissipation structure comprises a shell;

the heat dissipation device comprises a shell, a heat dissipation window, a dustproof net, a rotating shaft, an adjustable baffle, a rotating gear, a control cavity, a first rack and a control structure, wherein the two opposite sides of the shell are symmetrically provided with the heat dissipation window;

the side of the shell, which is provided with the heat dissipation window, is also provided with a first buffering structure, the first buffering structure comprises a first buffering plate, a buffering rod, a sliding plate and a first buffering spring, the sliding plate is connected in the control cavity in a sliding manner, one end of the buffering rod is fixedly connected with the sliding plate, the other end of the buffering rod is fixedly connected with the first buffering plate, the first buffering spring is sleeved on the buffering rod, two ends of the first buffering spring are fixedly connected with the shell and the first buffering plate respectively, one end of a first rack is vertically and fixedly provided with a control plate, and the sliding plate is fixedly provided with a poking block which can move the control plate.

Compared with the prior art, the invention has the following beneficial effects:

the battery charger is characterized in that a heat dissipation window is arranged, a dustproof net is arranged in the heat dissipation window, dust is prevented from entering the battery charger when the heat dissipation window is opened, and an adjustable baffle capable of opening or closing the heat dissipation window is arranged, so that the heat dissipation window can be opened or closed according to heat dissipation requirements; set up first buffer structure, when receiving the collision, the impact force that the collision produced weakens and eliminates, certain guard action has been played to battery charger, and when first buffer board received the collision, make the buffer beam drive the sliding plate and remove, thereby make the stirring piece stir the control panel and drive first rack and slide, thereby make adjustable baffle rotate and close the heat dissipation window, the removal that gives first buffer board lets out the space, avoid first buffer board to receive the in-process that the buffering removed and cause the damage to adjustable baffle, thereby lead to adjustable baffle inefficacy, influence battery charger's life-span.

Preferably, the control structure includes fixed plate, control spring and control lever, the fixed plate is fixed in the control cavity, first rack horizontal sliding connection is on the fixed plate, and the back of first rack passes the fixed plate and the symmetry is equipped with the second rack, and the control spring sets firmly between control panel and control cavity inner wall, and control lever one end stretches into in the control cavity and is equipped with the control gear, be equipped with on the control gear part can with the meshing tooth section of second rack meshing, still be equipped with steerable control lever pivoted control assembly.

Preferably, the control assembly includes positioning disk, locating lever, spacing ring and spacing spring, is equipped with the control spout in the positioning disk, axis direction sliding connection along the positioning disk of control lever one end is equipped with spacing on the control lever in the control spout, be equipped with in the control spout with spacing complex spacing groove, spacing ring coaxial rotation sets up in the positioning disk, spacing spring one end and spacing ring rigid coupling, the other end and casing rigid coupling, locating lever one end rigid coupling is equipped with a plurality of positioning groove that can supply the locating lever to stretch into on the casing in one side that the positioning disk is close to the casing.

Preferably, a vertical connecting plate fixedly connected with the shell is vertically arranged in the middle of the heat dissipation window, a connecting cavity is formed in the vertical connecting plate, the rotating shaft penetrates through the connecting cavity, the two rotating shafts are horizontally arranged, a connecting gear is arranged on the part, penetrating through the connecting cavity, of the rotating shaft, and the two connecting gears are in transmission connection.

Preferably, a plurality of air holes are formed in the first buffer plate.

Preferably, still be equipped with second buffer structure on the casing, second buffer structure includes buffer shield, telescopic link and second buffer spring, is equipped with the direction spout on the buffer shield, and sliding connection has the movable plate in the direction spout, telescopic link one end is fixed on the casing, the other end and movable plate rigid coupling.

Preferably, the bottom of casing still is equipped with a support section of thick bamboo, supporting leg and damping spring, the vertical sliding connection of supporting leg one end is in supporting a section of thick bamboo, and damping spring sets up and supports a section of thick bamboo and both ends respectively with the top of supporting leg and support a section of thick bamboo inner wall top rigid coupling.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.

Fig. 2 is a schematic top view of an embodiment of the present invention.

Fig. 3 is a schematic view of a heat dissipation window structure according to an embodiment of the invention.

Fig. 4 is a schematic sectional view of a portion of a structure at a-a in fig. 2.

Fig. 5 is a schematic diagram of a rotating shaft and a control structure according to an embodiment of the present invention.

Fig. 6 is a schematic side sectional view of fig. 5.

Fig. 7 is a schematic cross-sectional view of a part of the structure of the control assembly according to the embodiment of the invention.

FIG. 8 is a schematic cross-sectional view of a vertical web of an embodiment of the present invention.

Fig. 9 is a partial structural schematic diagram of another embodiment of the present invention.

In the above drawings: 1. a housing; 11. a heat dissipation window; 12. a control cavity; 13. a vertical connecting plate; 131. a connecting cavity; 14. a dust screen; 15. a sealing strip; 21. a rotating shaft; 211. a rotating gear; 22. an adjustable baffle; 221. an arc-shaped slot; 23. a first rack; 31. a first buffer plate; 311. air holes are formed; 32. a buffer rod; 33. a sliding plate; 331. a shifting block; 34. a first buffer spring; 41. a fixing plate; 42. a control panel; 43. a control spring; 44. a control lever; 441. meshing the tooth segments; 45. a second rack; 51. positioning a plate; 511. controlling the chute; 52. positioning a rod; 53. a limiting ring; 54. a limiting spring; 61. a buffer cover; 611. a guide chute; 62. a telescopic rod; 63. a second buffer spring; 64. moving the plate; 71. a support cylinder; 72. supporting legs; 73. a shock absorbing spring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the invention clearer and easier to understand, the technical scheme of the invention is further described below with reference to the accompanying drawings and the embodiments.

As shown in fig. 1 to 9, an embodiment of the present invention provides a battery charger with a heat dissipation structure, including a housing 1; in order to dissipate heat and avoid damage to the circuit due to excessive internal temperature, heat dissipation windows 11 are symmetrically arranged on two opposite sides of the side surface of the housing 1, in order to solve the problem that dust enters the inside of the heat dissipation window 11 when the battery charger is not in use, a rotating shaft 21 and an adjustable baffle 22 are arranged, the adjustable baffle 22 is fixedly arranged on the rotating shaft 21, two ends of the rotating shaft 21 are respectively and rotatably connected to the shell 1, one end of the rotating shaft 21 is provided with a rotating gear 211, the shell 1 is provided with a control cavity 12, the control cavity 12 is slidably connected with a first rack 23 engaged with the rotating gear 211, the shell 1 is provided with a control structure capable of controlling the first rack 23 to slide, the first rack 23 is controlled by the control structure to slide in the control cavity 12 so as to drive the rotating shaft 21 of the rotating gear 211 engaged with the first rack to rotate, and thus the adjustable baffle 22 is driven to rotate; the side surface provided with the heat dissipation window 11 is also provided with a first buffer structure, the first buffer structure comprises a first buffer plate 31, a buffer rod 32, a sliding plate 33 and a first buffer spring 34, the sliding plate 33 is slidably connected in the control cavity 12, one end of the buffer rod 32 is fixedly connected with the sliding plate 33, the other end of the buffer rod 32 is fixedly connected with the first buffer plate 31, the first buffer spring 34 is sleeved on the buffer rod 32, two ends of the first buffer spring 34 are respectively fixedly connected with the shell 1 and the first buffer plate 31, when collision occurs, the first buffer spring is firstly contacted with the first buffer plate 31, impact force generated by collision is weakened and eliminated through the buffer rod 32 and the first buffer spring 34, and the sliding plate 33 is driven to move in the process; as shown in fig. 4 and 5, in order to open the adjustable baffle 22 for heat dissipation without collision, one end of the adjustable baffle 22 is fixedly connected to the rotating shaft 21, as shown in fig. 5, the first rack 23 is disposed below the rotating shaft 21 and engaged with the rotating gear 211 on the rotating shaft 21, the control plate 42 is vertically disposed at the left end of the first rack 23, the sliding plate 33 is disposed above the rotating shaft 21, the toggle block 331 is vertically disposed on the sliding plate 33, and the toggle block 331 is disposed at the right side of the control plate 42, when the first buffer plate 31 is collided, the first buffer spring 34 is compressed, the buffer rod 32 moves leftward, the sliding plate 33 slides leftward, the toggle block 331 contacts the control plate 42 and continues to slide leftward, the toggle block 331 moves leftward the control plate 42, thereby driving the first rack 23 to slide leftward, the rotating shaft 21 rotates clockwise, thereby driving the adjustable baffle 22 to rotate clockwise until the heat dissipation window 11 is closed, the first buffer plate 31 is moved to provide a space, and the first buffer plate 31 is prevented from damaging the adjustable baffle 22 in the process of buffering movement, so that the adjustable baffle 22 is invalid, dust cannot be effectively isolated, and the service life of a battery charger is influenced. In addition, in order to reduce the entry of dust into the interior during heat dissipation, a dust screen 14 is provided in the heat dissipation window 11.

When the battery charger is not used, the adjustable baffle plate 22 closes the heat dissipation window 11 to prevent dust from entering the battery charger, the first buffer structure effectively protects the battery charger and buffers impact force when the battery charger is collided; during the use, when the heat dissipation is required, thereby through the removal of control structure control first rack 23, thereby make axis of rotation 21 drive adjustable baffle 22 and rotate and open heat dissipation window 11 and dispel the heat, dust screen 14 plays certain dustproof effect, when receiving the collision, buffer lever 32 of first buffer structure removes and drives and dial the piece 331 and stir the control panel 42 removal with first rack 23 rigid coupling, thereby make axis of rotation 21 drive adjustable baffle 22 and rotate, give first buffer plate 31's removal and give away the space, adjustable baffle 22 has been protected when buffering the collision, adjustable baffle 22 damage has been avoided and can not play dirt-proof effect, further improve the life of battery charger.

As shown in fig. 5, the control structure includes a fixing plate 41, a control spring 43 and a control rod 44, the fixing plate 41 is fixed in the control cavity 12, the first rack 23 is horizontally slidably connected to the fixing plate 41, the back surface of the first rack 23 penetrates through the fixing plate 41 and is symmetrically provided with a second rack 45, the control spring 43 is fixedly arranged between the control plate 42 and the inner wall of the control cavity 12, one end of the control rod 44 extends into the control cavity 12 and is provided with a control gear, the control gear is provided with a meshing tooth section 441, a part of which can be meshed with the second rack 45, and a control component is further provided for controlling the rotation of the control rod 44. When the adjustable baffle 22 is in a state of opening the heat dissipation window 11, the control plate 42 is under the action of the elastic force of the control spring 43 to the right, and the engaging toothed section 441 on the control rod 44 is not engaged with the second rack 45; when the collision happens in the heat dissipation process, the toggle block 331 toggles the control board 42 to move left, the rotating shaft 21 rotates clockwise, so that the adjustable baffle 22 gradually closes the heat dissipation window 11, the control spring 43 is compressed under the action of the force of the control board 42, and after the collision disappears, the elastic force of the control spring 43 causes the control board 42 to move right, so that the rotating shaft 21 is driven to rotate counterclockwise, and the adjustable baffle 22 opens the heat dissipation window 11; after the use is completed, when the heat dissipation window 11 is closed, the control rod 44 can be rotated counterclockwise by using the control component, and the meshing toothed segment 441 is matched with the second rack 45, so as to drive the first rack 23 fixedly connected with the meshing toothed segment to move leftward, and enable the rotating shaft 21 matched with the first rack 23 to rotate clockwise, so that the adjustable baffle 22 closes the heat dissipation window 11.

As shown in fig. 5 to 7, the control assembly includes a positioning plate 51, a positioning rod 52, a limiting ring 53 and a limiting spring 54, a control sliding slot 511 is arranged in the positioning plate 51, one end of the control rod 44 is slidably connected in the control sliding slot 511 along the axial direction of the positioning plate 51, a limiting bar is arranged on the control rod 44, and a limiting groove matched with the limiting bar is arranged in the control sliding slot 511, so that the control rod 44 can only slide along the axial direction of the positioning plate 51; the limiting ring 53 is coaxially and rotatably arranged in the positioning disc 51, one end of the limiting spring 54 is fixedly connected with the limiting ring 53, the other end of the limiting spring is fixedly connected with the shell 1, and when the positioning disc 51 rotates, the limiting ring 53 and the positioning disc 51 rotate relatively; one end of the positioning rod 52 is fixedly connected to one side of the positioning disc 51 close to the shell 1, the shell 1 is provided with a plurality of positioning grooves into which the positioning rod 52 can extend, and the positioning grooves are all located on a track line formed by the positioning rod 52 rotating along the axis of the positioning disc 51. The limit spring 54 is stretched, the elastic force of the limit spring 54 enables the locating rod 52 to extend into the locating groove, and the locating rod 52 is matched with the locating groove, so that the control rod 44 cannot rotate; when the control rod 44 needs to be controlled to rotate, the positioning disc 51 is held to move in the direction away from the shell 1, the limiting spring 54 is stretched, when the positioning rod 52 is separated from the positioning groove, the positioning disc 51 is rotated to enable the control rod 44 to rotate, then the positioning disc 51 is loosened, the elastic force of the limiting spring 54 enables the positioning disc 51 to move in the direction close to the shell 1 until the positioning rod 52 extends into the positioning groove, and the positioning disc 51 can not drive the control rod 44 to rotate any more, so that the control rod 44 is fixed.

As shown in fig. 3, 4 and 8, a vertical connecting plate 13 fixedly connected with the housing 1 is vertically arranged in the middle of the heat dissipation window 11, a connecting cavity 131 is arranged in the vertical connecting plate 13, the rotating shaft 21 penetrates through the connecting cavity 131, two rotating shafts 21 are arranged and horizontally arranged, a connecting gear is arranged on the portion, penetrating through the connecting cavity 131, of the rotating shaft 21, and the two connecting gears are in transmission connection. The two turning shafts 21 are connected by a belt drive, and when one of the turning shafts 21 turns, the other turning shaft 21 also turns together. As shown in fig. 4, an arc-shaped groove 221 is formed in one side of the adjustable baffle 22 close to the inside of the casing 1, when the adjustable baffle 22 is closed, the arc-shaped groove 221 of the adjustable baffle 22 located above is matched with the upper end of the adjustable baffle 22 located below, a sealing strip 15 is arranged at the lowest end of the heat dissipation window 11, and the arc-shaped groove 221 of the adjustable baffle 22 located below is matched with the sealing strip 15 to seal the heat dissipation window 11, so that the sealing effect is ensured.

As shown in fig. 4, a plurality of ventilation holes 311 are formed on the first buffer plate 31. The vent holes 311 are arranged to facilitate heat dissipation.

As shown in fig. 9, the housing 1 is further provided with a second buffer structure, the second buffer structure includes a buffer cover 61, an expansion link 62 and a second buffer spring 63, the buffer cover 61 is provided with a guide sliding slot 611, the guide sliding slot 611 is slidably connected with a moving plate 64, one end of the expansion link 62 is fixed on the housing 1, and the other end of the expansion link is fixedly connected with the moving plate 64. The buffer cover 61 protects the other surfaces of the housing 1 except the bottom and both sides where the heat dissipation window 11 is provided, and when the buffer cover 61 is collided, the buffer cover 61 first contacts the buffer cover 61, the moving plate 64 relatively slides in the guide sliding groove 611 according to the direction of collision, and the second buffer spring 63 is compressed by pressure, so that the impact force generated by collision is weakened and eliminated.

As shown in fig. 1 and 9, the bottom of the housing 1 is further provided with a support cylinder 71, a support leg 72 and a damping spring 73, one end of the support leg 72 is vertically and slidably connected in the support cylinder 71, and the damping spring 73 is arranged in the support cylinder 71, and two ends of the damping spring are respectively fixedly connected with the top end of the support leg 72 and the top end of the inner wall of the support cylinder 71. The supporting legs 72 can support the casing 1, and when the casing is impacted by downward external force, the damping springs 73 are extruded, and the bottom of the battery charger is protected by the elasticity of the damping springs 73.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. The utility model provides a battery charger with heat radiation structure which characterized in that: comprises a shell (1);

the heat dissipation window (11) is symmetrically arranged on two opposite sides of the shell (1), a dust screen (14) is arranged in the heat dissipation window (11), a rotating shaft (21) is arranged on the heat dissipation window (11), an adjustable baffle (22) is fixedly arranged on the rotating shaft (21), two ends of the rotating shaft (21) are respectively and rotatably connected to the shell (1), a rotating gear (211) is arranged at one end of the rotating shaft (21), a control cavity (12) is arranged on the shell (1), a first rack (23) meshed with the rotating gear (211) is slidably connected in the control cavity (12), and a control structure capable of controlling the first rack (23) to slide is arranged on the shell (1);

the side face, provided with the heat dissipation window (11), of the shell (1) is further provided with a first buffering structure, the first buffering structure comprises a first buffering plate (31), a buffering rod (32), a sliding plate (33) and a first buffering spring (34), the sliding plate (33) is connected in the control cavity (12) in a sliding mode, one end of the buffering rod (32) is fixedly connected with the sliding plate (33), the other end of the buffering rod is fixedly connected with the first buffering plate (31), the first buffering spring (34) is sleeved on the buffering rod (32), two ends of the first buffering spring (34) are fixedly connected with the shell (1) and the first buffering plate (31) respectively, one end of the first rack (23) is vertically and fixedly provided with a control plate (42), and the sliding plate (33) is fixedly provided with a poking block (331) capable of poking the control plate (42) to move.

2. The battery charger with the heat dissipation structure according to claim 1, characterized in that: control structure includes fixed plate (41), control spring (43) and control lever (44), fixed plate (41) are fixed in control cavity (12), first rack (23) horizontal sliding connection is on fixed plate (41), and fixed plate (41) and symmetry are passed to the back of first rack (23) are equipped with second rack (45), and control spring (43) set firmly between control panel (42) and control cavity (12) inner wall, and control lever (44) one end is stretched into in control cavity (12) and is equipped with the control gear, be equipped with on the control gear partial meshing tooth section (441) that can mesh with second rack (45), still be equipped with steerable control lever (44) pivoted control assembly.

3. The battery charger with the heat dissipation structure according to claim 2, characterized in that: the control assembly comprises a positioning disc (51), a positioning rod (52), a limiting ring (53) and a limiting spring (54), a control sliding groove (511) is formed in the positioning disc (51), one end of a control rod (44) is connected in the control sliding groove (511) in a sliding mode along the axis direction of the positioning disc (51), a limiting strip is arranged on the control rod (44), a limiting groove matched with the limiting strip is formed in the control sliding groove (511), the limiting ring (53) is coaxially rotated and arranged in the positioning disc (51), one end of the limiting spring (54) is fixedly connected with the limiting ring (53), the other end of the limiting spring is fixedly connected with the shell (1), one end of the positioning rod (52) is fixedly connected to one side, close to the shell (1), of the positioning disc (51), and a plurality of positioning grooves for the positioning rod (52) to extend into are formed in the shell (1).

4. The battery charger with the heat dissipation structure according to claim 1, characterized in that: the heat dissipation window is characterized in that a vertical connecting plate (13) fixedly connected with the shell (1) is vertically arranged in the middle of the heat dissipation window (11), a connecting cavity (131) is formed in the vertical connecting plate (13), the rotating shaft (21) penetrates through the connecting cavity (131), the rotating shaft (21) is provided with two horizontal rotating shafts (21), a connecting gear is arranged on the portion, penetrating through the connecting cavity (131), of the rotating shaft (21), and the two connecting gears are in transmission connection.

5. The battery charger with the heat dissipation structure according to claim 1, characterized in that: the first buffer plate (31) is provided with a plurality of air holes (311).

6. The battery charger with the heat dissipation structure according to claim 1, characterized in that: still be equipped with second buffer structure on casing (1), second buffer structure includes buffer cover (61), telescopic link (62) and second buffer spring (63), is equipped with direction spout (611) on buffer cover (61), and sliding connection has movable plate (64) in direction spout (611), telescopic link (62) one end is fixed on casing (1), the other end and movable plate (64) rigid coupling.

7. The battery charger with the heat dissipation structure according to claim 1, characterized in that: the bottom of casing (1) still is equipped with support cylinder (71), supporting leg (72) and damping spring (73), the vertical sliding connection of supporting leg (72) one end is in supporting cylinder (71), and damping spring (73) set up support cylinder (71) and both ends respectively with the top of supporting leg (72) and support cylinder (71) inner wall top rigid coupling.