CN213693210U

CN213693210U - Adapter or charger

Info

Publication number: CN213693210U
Application number: CN202021885568.3U
Authority: CN
Inventors: 刘宪利; 卢海啸
Original assignee: Shenzhen Huntkey Electric Co Ltd
Current assignee: Shenzhen Huntkey Electric Co Ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-07-13
Anticipated expiration: 2030-09-01

Abstract

The utility model relates to the field of power conversion, and provides an adapter or a charger, which comprises a shell, a circuit board, a direct current output power line and a clamping bracket, wherein the shell is integrally formed, the top surface of the shell is open, and the bottom surface or the side surface of the shell is provided with an external through hole which is arranged in a run-through way; the circuit board is clamped in the shell; the direct current output power line is electrically connected and matched with the circuit board and penetrates through the external through hole; the clamping support is fixedly connected with the circuit board, is in clamping fit with the direct-current output power line and at least limits the direct-current output power line to move relative to the shell. Based on the adapter or the charger, when the direct current output power line enters the shell through the external through hole on the outer surface of the shell, the direct current output power line is clamped on the clamping support on the circuit board, and the purpose of stabilizing the direct current output power line relative to the shell can be achieved.

Description

Adapter or charger

Technical Field

The utility model belongs to the technical field of the power conversion, especially, relate to an adapter or charger.

Background

As shown in fig. 1 and 2, each of the adapter and the charger generally includes a casing 100 ' disposed in a barrel shape, a circuit board 200 ' disposed in the casing 100 ' and configured to convert ac power of an external power source into dc power, a dc output power line 300 ' electrically connected to the circuit board 200 ' and externally connected to a device to be charged, and a cover 400 ' configured to seal an opening of the casing 100 '. In a conventional adaptor or charger, the dc output power line 300 ' is usually clamped to the cover 400 ', and during assembly, an electrical connection between the dc output power line 300 ' and the circuit board 200 ' is first established, then the circuit board 200 ' is placed in the housing 100 ', and then the dc output power line 300 ' is clamped to the housing 100 ' through the cover 400 ' and sealed. However, when the dc output power line 300 'enters the housing 100' not through the cover 400 ', but through the through hole on the outer surface of the housing 100', the dc output power line 300 'cannot be fastened to the housing 100' through the housing 100 'and the cover 400', and the dc output power line 300 'cannot be fixed to the housing 100'.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide an adapter or charger to solve prior art, in direct current output power cord does not get into the casing through the apron, but when the through-hole through the casing surface got into the casing, can't be through casing and apron with direct current output power cord card solid on the casing, direct current output power cord can not be the firm technical problem of casing relatively.

In order to achieve the above object, the utility model adopts the following technical scheme: an adapter or charger comprising:

the shell is integrally formed, the top surface of the shell is open, and the bottom surface or the side surface of the shell is provided with an external through hole which is arranged in a penetrating way;

the circuit board is clamped in the shell;

the direct current output power line is electrically connected and matched with the circuit board and penetrates through the external through hole;

the clamping support is fixedly connected with the circuit board, and is matched with the direct current output power line in a clamping mode and at least limits the direct current output power line to move relative to the shell.

In one embodiment, the dc output power line has a tail clamp structure, the clamp bracket has a clamp groove for clamping and matching with the tail clamp structure, and the cross-sectional shape of the clamp groove corresponds to the cross-sectional shape of the tail clamp structure.

In one embodiment, the cross-sectional shape of the tail clip structure is rectangular, and the cross-sectional shape of the clip groove is rectangular.

In one embodiment, the lower edge of the tail clamping structure abuts against the groove bottom of the clamping groove, and the upper edge of the tail clamping structure is lower than or equal to the upper edge of the clamping bracket.

In one embodiment, the clamping bracket is further provided with a guide groove at the notch of the clamping groove, and the width of the guide groove is larger than that of the clamping groove.

In one embodiment, the clamping support further comprises supporting parts located on two sides of the clamping groove, and the supporting parts are fixedly connected with the circuit board.

In one embodiment, the height of the groove bottom of the clamping groove from the circuit board is set according to the height of the external through hole from the circuit board, so that the direct current output power line is clamped on the clamping support and then keeps parallel to the circuit board.

In one embodiment, the cross-sectional dimension of the external through hole is equal to the cross-sectional dimension of the tail structure of the direct current output power line.

In one embodiment, the connection mode of the clamping bracket and the circuit board is welding, clamping connection or screw connection.

In one embodiment, the adapter or charger further comprises a cover plate detachably fixed to the top surface opening of the housing to seal the housing.

The utility model provides a beneficial effect lies in:

based on the utility model discloses adapter or charger that the embodiment provided, when assembling, the accessible penetrates DC output power line to the casing inside along external through-hole from the outside of casing earlier, pull out DC output power line from the top surface opening of casing again, so that DC output power line exposes in the casing, later again through with DC output power line with in advance with the cooperation of the joint support joint of being connected with the circuit board, can restrict DC output power line relative its and circuit board horizontal migration through the joint support, make DC output power line basically fixed relative to the circuit board, based on this, do benefit to stably, reliably, conveniently, establish corresponding electric connection between DC output power line and circuit board fast, and the stability of the electric connection that establishes is higher; subsequently, the relatively fixed clamping support, the direct current output power line and the circuit board can be moved into the shell from the opening on the top surface of the shell together until the direct current output power line is limited to penetrate through the external through hole, the direct current output power line can be further limited to move in any direction at the external through hole based on the fact that the cross section size of the external through hole is equal to that of the tail structure of the direct current output power line, and therefore the direct current output power line can be fixed relative to the shell. Therefore, based on the utility model discloses adapter or charger that the embodiment provided, when direct current output power cord when getting into in the casing through the external through-hole of casing surface, direct current output power cord card is fixed on the joint support on the circuit board, can reach the purpose that makes the relative casing of direct current output power cord firm equally.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a perspective view of a partial structure of an adapter or charger provided in the prior art;

FIG. 2 is an exploded view of the adapter or charger provided in FIG. 1;

fig. 3 is a schematic perspective view of an adapter or a charger according to an embodiment of the present invention;

FIG. 4 is a first perspective cross-sectional view of the adapter or charger provided in FIG. 3;

FIG. 5 is a second perspective cross-sectional view of the adapter or charger provided in FIG. 3;

FIG. 6 is an exploded view of the adapter or charger provided in FIG. 3;

fig. 7 is a schematic perspective view of a clamping bracket according to an embodiment of the present invention;

fig. 8 is a schematic perspective view of a dc output power line according to an embodiment of the present invention;

fig. 9 is a schematic perspective view of a housing according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

100 '-shell, 200' -circuit board, 300 '-DC output power line, cover plate-400';

100-shell, 101-external through hole, 200-circuit board, 300-direct current output power line, 310-tail clip structure, 320-tail structure, 400-clip support, 401-clip groove, 402-guide groove, 410-support part and 500-cover plate.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The following describes the specific implementation of the present invention in more detail with reference to specific embodiments:

referring to fig. 3, 4 and 5, an embodiment of the invention provides an adapter or a charger, which includes a housing 100, a circuit board 200, a dc output power line 300 and the housing 100.

Wherein, the shell 100 is integrally formed, the top surface is open, and the bottom surface or the side surface is provided with an external through hole 101 which is arranged in a penetrating way; the circuit board 200 is clamped in the casing 100; the direct current output power line 300 is electrically connected and matched with the circuit board 200 and penetrates through the external through hole 101; the clamping support 400 is fixedly connected with the circuit board 200, and the clamping support 400 is in clamping fit with the direct current output power line 300 and at least limits the direct current output power line 300 to move relative to the shell 100.

Based on the utility model discloses adapter or charger that the embodiment provided, when assembling, the accessible penetrates DC output power cord 300 to casing 100 inside along external through-hole 101 from the outside of casing 100 earlier, pull out DC output power cord 300 from the top surface opening of casing 100 again, so that DC output power cord 300 exposes in casing 100, later again through with DC output power cord 300 with in advance with circuit board 200 fixed connection's joint support 400 joint cooperation, can restrict DC output power cord 300 relative its and circuit board 200 horizontal migration through joint support 400, make DC output power cord 300 relative circuit board 200 basically fixed, based on this, do benefit to stably, reliably, conveniently, establish corresponding electric connection between DC output power cord 300 and circuit board 200 fast, and the stability of the electric connection that establishes is higher; subsequently, the clamping bracket 400, the dc output power line 300 and the circuit board 200 which are relatively fixed can be moved into the casing 100 from the opening on the top surface of the casing 100 together until the circuit board 200 is clamped in the casing 100, and the dc output power line 300 is limited to penetrate through the external through hole 101, so that the cross-sectional dimension of the external through hole 101 is equal to the cross-sectional dimension of the tail structure 320 of the dc output power line 300, and the dc output power line 300 can be further limited to move in any direction at the external through hole 101, thereby fixing the dc output power line 300 relative to the casing 100.

Therefore, according to the adapter or the charger provided by the embodiment of the present invention, when the dc output power line 300 enters the casing 100 through the external through hole 101 on the outer surface of the casing 100, the dc output power line 300 is clamped on the clamping support 400 on the circuit board 200, and the purpose of stabilizing the dc output power line 300 relative to the casing 100 can be achieved as well. Moreover, the matching operation between the direct current output power line 300 and the circuit board 200 is simple, particularly the operation of electrical connection matching is very simple, and the assembly convenience of the adapter or the charger can be effectively ensured and improved.

Optionally, the clamping bracket 400 is made of a rigid material, such as hardware or plastic. So set up, can make joint support 400 have enough structural strength in order to support, fixed DC output power cord 300, also can make joint support 400 have certain life.

Referring to fig. 5, fig. 6 and fig. 8, in the present embodiment, the dc output power line 300 has a tail clip structure 310, the clip bracket 400 has a clip groove 401 for clip-fitting with the tail clip structure 310, and a cross-sectional shape of the clip groove 401 corresponds to a cross-sectional shape of the tail clip structure 310.

By adopting the above scheme, the dc output power line 300 can be adaptively clamped and matched with the tail clamp structure 310 and the clamp groove 401 corresponding to the cross-sectional shape thereof, so as to quickly and conveniently establish a stable and reliable clamping relationship with the clamping support 400, and enable the tail clamp structure 310 to have a relatively stable placing state. Based on the clamping relationship, the tail clamping structure 310 can only be separated from the notch of the clamping groove 401, and the movement in other directions is limited by the clamping groove 401, so that the tail clamping structure 310 can be fixed relative to the circuit board 200 and the shell 100 through the clamping groove 401, and further the direct current output power line 300 is fixed relative to the circuit board 200 and the shell 100, and therefore, the assembly convenience of the adapter or the charger can be guaranteed and improved; based on the stable placement state of the tail clamp structure 310, the electrical connection relationship between the dc output power line 300 and the circuit board 200 can be conveniently established, the risk that the electrical connection relationship between the dc output power line 300 and the circuit board 200 is accidentally interrupted and released can be effectively reduced, the occurrence of poor contact between the dc output power line 300 and the circuit board 200 is avoided, the operational convenience of electrical connection matching between the dc output power line 300 and the circuit board 200 can be effectively improved, and the stability and reliability of the electrical connection relationship between the dc output power line 300 and the circuit board 200 can be ensured and improved.

Referring to fig. 5, 7 and 8, in the present embodiment, the section of the tail clip structure 310 is rectangular, and the section of the clip groove 401 is rectangular.

By adopting the above scheme, after the tail card structure 310 is clamped in the clamping groove 401, the tail card structure 310 is limited to rotate around the central axis thereof by the clamping groove 401, so that the state stability of the tail card structure 310 after being clamped and matched with the clamping groove 401 can be further stabilized, namely, the placing state of the tail card structure 310 is further stabilized, and based on the situation, the risk that the electrical connection relationship between the direct current output power line 300 and the circuit board 200 is accidentally interrupted and released can be further reduced, the situation that the direct current output power line 300 is in poor contact with the circuit board 200 is further avoided, and the stability and reliability of the electrical connection relationship between the direct current output power line 300 and the circuit board 200 can be further improved.

Referring to fig. 4 and 5, in the present embodiment, the lower edge of the tail clip structure 310 abuts against the bottom of the clip groove 401, and the upper edge of the tail clip structure 310 is lower than or equal to the upper edge of the clip bracket 400.

By adopting the above scheme, can ensure that joint support 400 can all exert spacingly to tail card structure 310 is whole, fixed utility, based on this, can effectively reduce tail card structure 310 and remove its risk with joint support 400's joint relation from the upside of joint support 400, and can further stabilize tail card structure 310 the state stability after cooperating with joint groove 401 joint, thereby can further reduce the risk that the electric connection between direct current output power line 300 and circuit board 200 is interrupted by accident, the accident is removed, further avoid direct current output power line 300 and circuit board 200 contact failure's condition to take place, do benefit to the stability and the reliability of the electric connection between further guarantee direct current output power line 300 and circuit board 200.

Referring to fig. 5, 6 and 7, in the present embodiment, the clamping bracket 400 further has a guide groove 402 at the notch of the clamping groove 401, and the width of the guide groove 402 is greater than the width of the clamping groove 401.

By adopting the above scheme, when the tail clamp structure 310 is to be clamped and matched with the clamping support 400, the tail clamp structure 310 is guided to rapidly enter the clamping groove 401 through the guide groove 402 with relatively large groove width, so that the matching difficulty of the tail clamp structure 310 and the clamping support 400 can be reduced, the matching convenience of the tail clamp structure 310 and the clamping support 400 is improved, and the matching efficiency of the tail clamp structure 310 and the clamping support 400 can be effectively improved.

Referring to fig. 4, 6 and 7, in the present embodiment, the clamping bracket 400 further includes a supporting portion 410 located at two sides of the clamping groove 401, and the supporting portion 410 is fixedly connected to the circuit board 200.

Through adopting above-mentioned scheme, the accessible and each supporting part 410 of circuit board 200 fixed connection provide more powerful supporting effect to joint groove 401 and with joint groove 401 joint complex tail structure 310, based on this, not only can improve the structural strength of joint support 400, in order to ensure and improve the performance and the life of joint support 400, still can do benefit to further stable tail structure 310 in the state of putting after the joint cooperation with joint groove 401, in order to further avoid direct current output power line 300 and circuit board 200 contact failure's condition to take place.

Referring to fig. 4, in the present embodiment, the height of the bottom of the clamping groove 401 from the circuit board 200 is set according to the height of the external through hole 101 from the circuit board 200, so that the dc output power line 300 is clamped in the clamping bracket 400 and remains parallel to the circuit board 200.

By adopting the above scheme, when the tail clamping structure 310 is clamped to the clamping groove 401, the central axis of the tail clamping structure 310 is substantially in the same horizontal line with the central axis of the external through hole 101, on the basis, on one hand, when the circuit board 200 is clamped in the casing 100, the lengthy part of the direct current output power line 300 can conveniently and smoothly pass out along the external through hole 101, so that the assembly convenience of the adapter or the charger can be further improved; on the other hand, the external through hole 101 can be conveniently combined with the clamping support 400 to realize the limitation and fixation of the direct current output power line 300 together, so that the direct current output power line 300, the circuit board 200 and the shell 100 can be further ensured to be relatively fixed, and the situation that the direct current output power line 300 is in poor contact with the circuit board 200 can be further avoided.

Referring to fig. 4, 8 and 9, in the present embodiment, the cross-sectional dimension of the external via 101 is equal to the cross-sectional dimension of the tail structure 320 of the dc output power line 300. The tail structure 320 is disposed on a side of the tail structure 310 facing the external through hole 101, and a cross-sectional dimension of the tail structure 320 is larger than a cross-sectional dimension of the tail structure 310.

Through adopting above-mentioned scheme, direct current output power cord 300 accessible afterbody structure 320 and external through-hole 101 suitability cooperation, based on this, can be convenient for external through-hole 101 to realize effectual spacing to afterbody structure 320, based on this is spacing, the joint cooperation relation of joint structure and tail card structure 310 is recombined, can do benefit to further guarantee direct current output power cord 300, be in relatively fixed between circuit board 200 and the casing 100 three, thereby can further avoid direct current output power cord 300 and circuit board 200 contact failure's condition to take place. And, based on above-mentioned setting, still can be favorable to guaranteeing and improve the outward appearance performance of adapter or charger.

Referring to fig. 4 and 6, in the present embodiment, the connection manner between the clamping bracket 400 and the circuit board 200 is welding, snap connection or screw connection.

Through adopting above-mentioned scheme, not only can effectively improve the dismouting convenience of joint support 400 and circuit board 200, still can further ensure the relative position relatively fixed of joint support 400 and circuit board 200, based on this, can do benefit to the guarantee and improve the fixed effect of joint support 400 to tail card structure 310, guarantee promptly and improve spacing, the fixed effect of joint support 400 to direct current output power line 300.

Referring to fig. 3, 4 and 6, in the present embodiment, the adapter or the charger further includes a cover plate 500, and the cover plate 500 is detachably fixed to the opening on the top surface of the housing 100 to seal the housing 100.

By adopting the above scheme, the cover plate 500 detachably connected with the casing 100 can cover the opening on the top surface of the casing 100 after the circuit board 200, the direct current output power line 300 and the casing 100 are assembled to seal the casing 100, and based on this, the cover plate 500 can be combined with the casing 100 to jointly protect the circuit board 200 and the direct current output power line 300 in the casing 100, and cannot generate blocking influence on the electric connection and matching of the circuit board 200 and the direct current output power line 300, so that the assembly convenience of the adapter or the charger can be further ensured, and the use performance of the adapter or the charger can be further ensured.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims

1. An adapter or charger, comprising:

the circuit board is clamped in the shell;

2. The adapter or charger of claim 1, wherein the dc output power line has a tail clip structure, the clip bracket has a clip groove for clip-fitting with the tail clip structure, and a cross-sectional shape of the clip groove corresponds to a cross-sectional shape of the tail clip structure.

3. The adapter or charger of claim 2, wherein the cross-sectional shape of the tail clip structure is rectangular and the cross-sectional shape of the clip groove is rectangular.

4. The adapter or charger of claim 2, wherein a lower edge of the tail clip structure abuts a bottom of the clip slot, and an upper edge of the tail clip structure is lower than or equal to an upper edge of the clip bracket.

5. The adapter or charger of claim 2, wherein the clamping bracket further comprises a guide groove at the notch of the clamping groove, and the width of the guide groove is larger than that of the clamping groove.

6. The adapter or charger of claim 2, wherein the clamping bracket further comprises support portions located on both sides of the clamping groove, and the support portions are fixedly connected with the circuit board.

7. The adapter or charger of claim 2, wherein the groove bottom of the clamping groove is spaced from the circuit board by a height, and the height of the external through hole is set according to the height of the external through hole from the circuit board, so that the direct current output power line is clamped in the clamping bracket and then kept parallel to the circuit board.

8. An adaptor or charger as claimed in claim 1, wherein the cross-sectional dimension of the external through-hole is the same as the cross-sectional dimension of the dc output power cord tail structure.

9. The adapter or charger of claim 1, wherein the connection of the snap bracket to the circuit board is by soldering, snap-fit connection, or screw connection.

10. The adapter or charger of any of claims 1-9, further comprising a cover plate removably secured to the top opening of the housing to seal the housing.