CN216530661U

CN216530661U - Charger shell structure with cancelled limit columns

Info

Publication number: CN216530661U
Application number: CN202123233812.5U
Authority: CN
Inventors: 卢建
Original assignee: Shenzhen Guangliming Plastic Products Co ltd
Current assignee: Shenzhen Guangliming Plastic Products Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-05-13
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses a charger shell structure without a limiting column, which comprises a lower shell, wherein the top of the lower shell is provided with a positioning hole, the top of the lower shell is provided with an upper shell, the inner top wall of the lower shell is fixedly connected with an installation sheet, the top of the installation sheet is provided with a heat dissipation groove, the inner side wall of the lower shell is fixedly connected with a limiting mechanism, the side wall of the upper shell is provided with a second connecting groove, and the inside of the upper shell is provided with an upper groove; this cancel spacing post's charger shell structure can extrude the stopper through the chute at stopper top of circuit board and remove toward the inside of spacing groove, and the circuit board can contact with the installation piece afterwards, and the spring resets and promotes the stopper and shift out the card at the top of circuit board, fixes the circuit board at the top of installation piece, can be fast with the heat effluvium on the circuit board through the radiating groove for the circuit board can be fixed fast and the heat dissipation is good.

Description

Charger shell structure with cancelled limit columns

Technical Field

The utility model relates to the technical field of chargers, in particular to a charger shell structure without a limiting column.

Background

The charger is a charging device which adopts a high-frequency power supply technology and applies an advanced intelligent dynamic adjustment charging technology, the charger is divided into a power frequency machine and a high-frequency machine according to the working frequency of a design circuit, the power frequency machine is designed according to the traditional analog circuit principle, the power devices in the machine are large, small noise exists in general when the machine is in large-load operation, but the machine type has stronger resistance performance in severe power grid environment conditions, and the reliability and the stability are both stronger than those of the high-frequency machine.

The charger shell structure of current spacing post of cancellation is when using, is provided with spacing post in the charger shell and is used for withstanding built-in circuit board and spacing to built-in circuit board, increases the production consumptive material on the spot, has increased the mould complexity simultaneously.

Therefore, the utility model provides a charger shell structure without a limiting column, which aims to solve the problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a charger shell structure without a limiting column, and solves the problems.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a spacing post of cancellation charger shell structure, includes the inferior valve, the locating hole has been seted up at the top of inferior valve, the top of inferior valve is provided with the epitheca, the bottom fixedly connected with reference column of epitheca, fixedly connected with installation piece on the interior roof of inferior valve, the radiating groove has been seted up at the top of installation piece, first spread groove has been seted up on the lateral wall of inferior valve, the low groove has been seted up to the inside of inferior valve, the top fixedly connected with block mechanism of inferior valve, fixedly connected with stop gear on the inside wall of inferior valve, the second spread groove has been seted up on the lateral wall of epitheca, the upper groove has been seted up to the inside of epitheca.

Preferably, the mounting plate is fixedly connected to the top of the lower groove.

Preferably, the number of the limiting mechanisms is four, the limiting mechanisms are uniformly distributed on two side walls of the lower shell, and the mounting pieces are arranged on the inner sides of the four limiting mechanisms.

Preferably, the positioning column can be inserted into the positioning hole.

Preferably, the clamping mechanism comprises a mounting groove, the top of the upper shell is fixedly connected with a mounting lug, and the top of the mounting lug is fixedly connected with a clamping block.

Preferably, the mounting groove is formed in the top of the lower shell, the clamping groove is formed in the bottom of the mounting groove, and the mounting lug can be clamped in the mounting groove.

Preferably, stop gear includes the spacing groove, fixedly connected with spring on the interior diapire of spacing groove, the outside fixedly connected with stopper of spring, fixedly connected with dog on the inside wall of spacing groove.

Preferably, the limiting groove is formed in the inner wall of the lower shell, the limiting block is connected to the inner wall of the limiting groove in a sliding mode, and the top of the limiting block is provided with the chute.

Advantageous effects

The utility model provides a charger shell structure without a limiting column. Compared with the prior art, the method has the following beneficial effects:

(1) this cancel spacing post's charger shell structure can extrude the stopper through the chute at stopper top of circuit board and remove toward the inside of spacing groove, and circuit board can contact with the installation piece afterwards, and at this moment, the circuit board no longer contacts with the stopper, and the spring resets and promotes the stopper and shift out the card at the top of circuit board, fixes the circuit board at the top of installation piece, can be fast with the heat effluvium on the circuit board through the radiating groove for the circuit board can be fixed fast and dispel the heat well.

(2) This charger shell structure of spacing post of cancellation, the heat through casing inside can be through the quick effluvium in gap between first spread groove and the second spread groove, with the locating hole cooperation on reference column and the inferior valve on the epitheca, peg graft the epitheca at the top of inferior valve fast, peg graft in the inside of mounting groove through the installation lug this moment, draw-in groove block on rethread fixture block and the mounting groove for the inferior valve can be fixed at the top of epitheca fast.

Drawings

FIG. 1 is a perspective view of the external structure of the present invention;

fig. 2 is a perspective view of the internal structure of the lower case of the present invention;

FIG. 3 is a perspective view of the internal structure of the upper shell of the present invention;

fig. 4 is a sectional view showing the internal structure of the spacing mechanism of the present invention.

Fig. 1, lower shell; 2. an upper shell; 3. positioning holes; 4. a positioning column; 5. mounting a sheet; 501. a heat sink; 6. a first connecting groove; 7. a lower groove; 8. a clamping mechanism; 801. mounting grooves; 802. mounting a bump; 803. a clamping block; 9. a limiting mechanism; 901. a limiting groove; 902. a spring; 903. a limiting block; 904. A stopper; 10. a second connecting groove; 11. and (4) an upper groove.

Detailed Description

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

The first embodiment is as follows:

referring to fig. 1-4, a charger housing structure without a limiting post comprises a lower housing 1, a positioning hole 3 is formed at the top of the lower housing 1, an upper housing 2 is arranged at the top of the lower housing 1, a positioning post 4 is fixedly connected to the bottom of the upper housing 2, a mounting plate 5 is fixedly connected to the inner top wall of the lower housing 1, a heat dissipation groove 501 is formed at the top of the mounting plate 5, a first connecting groove 6 is formed on the side wall of the lower housing 1, a lower groove 7 is formed in the lower housing 1, a limiting mechanism 9 comprises a limiting groove 901, a spring 902 is fixedly connected to the inner bottom wall of the limiting groove 901, a limiting block 903 is fixedly connected to the outer side of the spring 902, a stop block 904 is fixedly connected to the inner side wall of the limiting groove 901, the limiting groove 901 is formed in the inner wall of the lower housing 1, the limiting block 903 is slidably connected to the inner wall of the limiting groove 901, a chute is formed at the top of the limiting block 903, and a circuit board is clamped in the lower housing 1, the chute that the circuit board passes through the stopper 903 top can extrude stopper 903 toward the inside removal of spacing groove 901, circuit board can contact with installation piece 5 afterwards, at this moment, the circuit board no longer contacts with stopper 903, spring 902 resets and promotes stopper 903 and shifts out the top at the circuit board, fix the circuit board at the top of installation piece 5, can be fast with the heat effluvium on the circuit board through radiating groove 501, also can increase circuit board and installation piece 5's frictional force, prevent that the circuit board from sliding on installation piece 5, the top fixedly connected with block mechanism 8 of inferior valve 1, fixedly connected with stop gear 9 on inferior valve 1's the inside wall, second spread groove 10 has been seted up on the lateral wall of superior shell 2, upper groove 11 has been seted up to the inside of superior shell 2.

The second embodiment:

referring to fig. 1 to 4, the present embodiment provides a technical solution based on the first embodiment: a charger shell structure without a limit column comprises a lower shell 1, wherein the top of the lower shell 1 is provided with a positioning hole 3, the top of the lower shell 1 is provided with an upper shell 2, the bottom of the upper shell 2 is fixedly connected with a positioning column 4, the positioning column 4 can be inserted into the positioning hole 3, the inner top wall of the lower shell 1 is fixedly connected with a mounting sheet 5, the top of the mounting sheet 5 is provided with a radiating groove 501, the side wall of the lower shell 1 is provided with a first connecting groove 6, the inside of the lower shell 1 is provided with a lower groove 7, the mounting sheet 5 is fixedly connected with the top of the lower groove 7, the top of the lower shell 1 is fixedly connected with a clamping mechanism 8, the clamping mechanism 8 comprises a mounting groove 801, the top of the upper shell 2 is fixedly connected with a mounting lug 802, the top of the mounting lug 802 is fixedly connected with a clamping block 803, the mounting groove 801 is arranged at the top of the lower shell 1, the bottom of the mounting groove 801 is provided with a clamping groove, the mounting lug 802 can be clamped in the mounting groove 801, with locating column 4 on epitheca 2 and the cooperation of locating hole 3 on the inferior valve 1, peg graft epitheca 2 at the top of inferior valve 1 fast, peg graft in the inside of mounting groove 801 through installation lug 802 this moment, draw-in groove block on rethread fixture block 803 and the mounting groove 801, can be with the quick top of fixing at epitheca 2 of inferior valve 1, the inside heat of casing can be through the quick effluvium in gap between first connecting groove 6 and the second connecting groove 10, fixedly connected with stop gear 9 on the inside wall of inferior valve 1, stop gear 9's quantity has four, and distribute on the both sides wall of inferior valve 1 evenly, installation piece 5 is in the inboard of four stop gear 9, second connecting groove 10 has been seted up on the lateral wall of epitheca 2, upper groove 11 has been seted up to the inside of epitheca 2.

And those not described in detail in this specification are well within the skill of those in the art.

When the circuit board fixing device works, firstly, the circuit board is clamped in the lower shell 1, the circuit board can extrude the limiting block 903 to move towards the limiting groove 901 through the chute at the top of the limiting block 903, then the circuit board can be contacted with the mounting sheet 5, at the moment, the circuit board is not contacted with the limiting block 903 any more, the spring 902 resets and pushes the limiting block 903 to move out of the clamping position at the top of the circuit board, the circuit board is fixed at the top of the mounting sheet 5, the heat on the circuit board can be quickly dissipated through the heat dissipation groove 501, the friction force between the circuit board and the mounting sheet 5 can also be increased, the circuit board is prevented from sliding on the mounting sheet 5, the positioning column 4 on the upper shell 2 is matched with the positioning hole 3 on the lower shell 1, the upper shell 2 is quickly inserted in the top of the lower shell 1, at the moment, the mounting lug 802 is inserted in the mounting groove 801, and then is clamped with the clamping groove on the mounting groove 801 through the clamping block 803, the lower shell 1 can be quickly fixed at the top of the upper shell 2, heat inside the case can be rapidly dissipated through the gap between the first coupling groove 6 and the second coupling groove 10.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cancel charger shell structure of spacing post, includes inferior valve (1), its characterized in that: locating hole (3) have been seted up at the top of inferior valve (1), the top of inferior valve (1) is provided with epitheca (2), bottom fixedly connected with reference column (4) of epitheca (2), fixedly connected with installation piece (5) on the interior roof of inferior valve (1), radiating groove (501) have been seted up at the top of installation piece (5), first spread groove (6) have been seted up on the lateral wall of inferior valve (1), low groove (7) have been seted up to the inside of inferior valve (1), top fixedly connected with block mechanism (8) of inferior valve (1), fixedly connected with stop gear (9) on the inside wall of inferior valve (1), second spread groove (10) have been seted up on the lateral wall of superior valve (2), upper groove (11) have been seted up to the inside of superior valve (2).

2. The charger housing structure of claim 1, wherein the spacing post is eliminated, and the structure further comprises: the mounting piece (5) is fixedly connected to the top of the lower groove (7).

3. The charger housing structure of claim 1, wherein the spacing post is eliminated, and the structure further comprises: the number of the limiting mechanisms (9) is four, the limiting mechanisms are uniformly distributed on two side walls of the lower shell (1), and the mounting pieces (5) are arranged on the inner sides of the four limiting mechanisms (9).

4. The charger housing structure of claim 1, wherein the spacing post is eliminated, and the structure further comprises: the positioning column (4) can be inserted into the positioning hole (3).

5. The charger housing structure of claim 1, wherein the spacing post is eliminated, and the structure further comprises: the clamping mechanism (8) comprises a mounting groove (801), the top of the upper shell (2) is fixedly connected with a mounting lug (802), and the top of the mounting lug (802) is fixedly connected with a clamping block (803).

6. The charger housing structure of claim 5, wherein the spacing column is eliminated, and the charger housing structure comprises: the top at inferior valve (1) is seted up in mounting groove (801), the draw-in groove has been seted up to the bottom of mounting groove (801), but installation lug (802) joint is in the inside of mounting groove (801).

7. The charger housing structure of claim 1, wherein the spacing post is eliminated, and the structure further comprises: the limiting mechanism (9) comprises a limiting groove (901), a spring (902) is fixedly connected to the inner bottom wall of the limiting groove (901), a limiting block (903) is fixedly connected to the outer side of the spring (902), and a stop block (904) is fixedly connected to the inner side wall of the limiting groove (901).

8. The charger housing structure of claim 7, wherein the spacing column is eliminated, and the structure further comprises: the limiting groove (901) is formed in the inner wall of the lower shell (1), the limiting block (903) is connected to the inner wall of the limiting groove (901) in a sliding mode, and the top of the limiting block (903) is provided with a chute.