CN219612327U - Locking structure of mainboard and locator mainboard - Google Patents

Abstract

The utility model discloses a locking structure of a main board and a locator main board, which comprises a bottom shell, a top shell and a circuit main board, wherein the circuit main board is fit in the bottom shell, a communication groove is formed in the center of four corners of the inner side wall of the bottom shell, a limit groove is formed in the communication groove, a locking plate is inserted in the communication groove, one side of the locking plate extending to the inside of the limit groove is welded with the limit plate, one side of the limit plate away from the locking plate is welded with a spring, the locking plate is connected in the communication groove in a sliding mode under the action of the limit plate and the spring, and the bottom of the locking plate is fit with the top of the circuit main board. The locking plate is slidably connected in the communication groove under the action of the limiting plate and the spring, so that the locking plate can be attached to the outer wall of the top of the circuit main board to lock the circuit main board, and meanwhile, the circuit main board is convenient to install and detach, and the locking plate is reasonable in structure, convenient to operate and high in practicability.

Description

Locking structure of mainboard and locator mainboard

Technical Field

The utility model relates to the technical field of positioners, in particular to a locking structure of a main board and a positioner main board.

Background

With the development of scientific technology, electronic positioning technology is more and more widely applied to daily life of people, and with the rise of shared bicycles and electric vehicles, various small-sized positioners applied to electric vehicles or shared bicycles appear on the market, and a circuit main board of the small-sized positioner is one of important parts inside the positioner.

If the authorized bulletin number is CN216593441U and the authorized bulletin day is 2022-05-24, the locator device comprises a shell, a locator main board and a plug, wherein the locator main board is arranged in the shell, the plug is connected with the locator main board and is exposed out of the shell, and a glue dispensing layer is filled in a gap between the plug and the shell to seal the shell.

Above-mentioned and in prior art, the circuit board is installed and is fixed at the inside of locator casing when utilizing the screw, when need dismantle the maintenance to the circuit board, need pull down the screw one by one, it is comparatively loaded down with trivial details to dismantle the maintenance flow.

Disclosure of Invention

The utility model aims to provide a locking structure of a main board and a positioner main board, so as to solve the defects in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides a locking structure of mainboard, includes drain pan, top shell and circuit board, circuit board agrees with in the inside of drain pan, and the center department at drain pan inside wall four corners has seted up the intercommunication groove, the spacing groove has been seted up to the inside in intercommunication groove, and the inside grafting of intercommunication groove has the locking plate, the locking plate extends to the inside one side welding of spacing groove and has the limiting plate, and the one side welding that the locking plate was kept away from to the limiting plate has the spring, sliding connection is in the inside in intercommunication groove under the effect of limiting plate and spring, and laminating between the bottom of locking plate and the top of circuit board.

Furthermore, engaging parts are integrally formed at four corners of the inner side wall of the bottom shell, and engaging grooves which are attached to the engaging parts are formed at four corners of the outer side wall of the circuit main board.

Furthermore, screw barrels are uniformly formed at four corners of the outer wall of the top of the bottom shell, and positioning grooves are formed at four corners of the outer wall of the bottom of the top shell.

Further, the screw cylinder is inserted into the positioning groove, and screw holes communicated with the positioning groove are formed in four corners of the outer wall of the top shell.

Further, the bottom shell and the top shell are fixedly connected through screws, and graphene radiating fins attached to the circuit main board are adhered to the inner wall of the bottom shell.

Further, the bottom inner wall of the bottom shell is provided with grid grooves which are equidistantly distributed and penetrate through the bottom shell, and heat conducting fins attached to the graphene radiating fins are adhered to the inner portions of the grid grooves.

A positioner motherboard characterized by comprising a locking structure of any one of the above described motherboard.

In the technical scheme, the locking structure of the main board and the locator main board provided by the utility model have the advantages that (1) through the locking plate, the locking plate is slidably connected in the communication groove under the action of the limiting plate and the spring, so that the locking plate can be attached to the outer wall of the top of the circuit main board to lock the circuit main board, and meanwhile, the circuit main board can be conveniently installed and detached. (2) Through the graphene cooling fin that sets up, laminating mutually between graphene cooling fin and the bottom of circuit motherboard makes things convenient for the heat evacuation that electronic component produced to transmit for the conducting strip to disperse on the circuit motherboard, and then has promoted the radiating effect of locator circuit motherboard. (3) Through the screw shell that sets up, the screw shell is pegged graft in the inside of constant head tank, and the inside grafting of screw has the screw that is threaded connection with the screw shell, fine compactness and the steadiness of laminating between bottom shell and the top shell have been promoted.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

Fig. 1 is a schematic diagram of a locking structure of a motherboard and a perspective structure provided by an embodiment of a positioner motherboard according to the present utility model.

Fig. 2 is a schematic diagram of a locking structure of a motherboard and an explosion structure provided by an embodiment of a positioner motherboard according to the present utility model.

Fig. 3 is a schematic diagram of a locking structure of a motherboard and a partially enlarged structure of the locking board provided by an embodiment of a motherboard of a positioner according to the present utility model.

Fig. 4 is a schematic diagram of a locking structure of a motherboard and a limit slot structure provided by an embodiment of a positioner motherboard according to the present utility model.

Reference numerals illustrate:

1. a bottom case; 2. a top shell; 3. a circuit motherboard; 4. a graphene heat sink; 5. a grid groove; 6. a heat conductive sheet; 7. a locking plate; 8. a communication groove; 9. a limit groove; 10. a limiting plate; 11. a spring; 12. a screw hole; 13. a screw cylinder; 14. a positioning groove; 15. a fitting groove; 16. and a fitting portion.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-4, the locking structure of a motherboard provided by the utility model comprises a bottom shell 1, a top shell 2 and a circuit motherboard 3, wherein the circuit motherboard 3 is fit in the bottom shell 1, a communication groove 8 is formed in the center of four corners of the inner side wall of the bottom shell 1, a limit groove 9 is formed in the communication groove 8, a locking plate 7 is inserted in the communication groove 8, the locking plate 7 extends to one side of the inside of the limit groove 9 and is welded with a limit plate 10, one side of the limit plate 10, which is far away from the locking plate 7, is welded with a spring 11, the locking plate 7 is slidingly connected in the inside of the communication groove 8 under the action of the limit plate 10 and the spring 11, the bottom of the locking plate 7 is jointed with the top of the circuit motherboard 3, four corners of the inner side wall of the bottom shell 1 are integrally formed with joint parts 16, and four corners of the outer side wall of the circuit motherboard 3 are provided with joint parts 15, and the locking plate 7 is slidingly connected in the inside of the communication groove 8 under the action of the limit plate 10 and the spring 11, so that the locking plate 7 can be jointed with the outer wall of the top of the circuit motherboard 3 to lock the circuit motherboard 3, and the circuit motherboard 3 can be conveniently detached.

In another embodiment provided by the utility model, as shown in fig. 2 and 3, screw barrels 13 are uniformly formed at four corners of the outer wall of the top of the bottom shell 1, positioning grooves 14 are formed at four corners of the outer wall of the bottom of the top shell 2, the screw barrels 13 are inserted into the positioning grooves 14, screw holes 12 communicated with the positioning grooves 14 are formed at four corners of the outer wall of the top shell 2, the screw barrels 13 are inserted into the positioning grooves 14, and screws in threaded connection with the screw barrels 13 are inserted into the screw holes 12, so that the compactness and stability of the joint between the bottom shell 1 and the top shell 2 are improved well.

In still another embodiment provided by the utility model, as shown in fig. 2 and 3, the bottom shell 1 and the top shell 2 are fixedly connected through screws, the graphene cooling fins 4 attached to the circuit motherboard 3 are adhered to the inner wall of the bottom shell 1, the grid grooves 5 which are distributed in an equidistant structure and penetrate through the bottom shell 1 are formed in the inner wall of the bottom shell 1, the heat conducting fins 6 attached to the graphene cooling fins 4 are adhered to the inner wall of the grid grooves 5, the graphene cooling fins 4 are attached to the bottom of the circuit motherboard 3, so that heat generated by electronic components on the circuit motherboard 3 is conveniently dispersed and transferred to the heat conducting fins 6 for dispersion, and the heat dissipation effect of the locator circuit motherboard 3 is further improved.

Example 1

As shown in fig. 1-4, the locator motherboard provided by the utility model comprises a bottom shell 1, a top shell 2 and a circuit motherboard 3, wherein the circuit motherboard 3 is fit in the bottom shell 1, a communication groove 8 is formed in the center of four corners of the inner side wall of the bottom shell 1, a limit groove 9 is formed in the communication groove 8, a locking plate 7 is inserted in the communication groove 8, a limit plate 10 is welded on one side of the locking plate 7 extending to the inside of the limit groove 9, a spring 11 is welded on one side of the limit plate 10 far away from the locking plate 7, the locking plate 7 is slidably connected in the communication groove 8 under the action of the limit plate 10 and the spring 11, the bottom of the locking plate 7 is attached to the top of the circuit motherboard 3, fitting parts 16 are integrally formed at four corners of the inner side wall of the bottom shell 1, fitting grooves 15 which are attached to the fitting parts 16 are formed at four corners of the outer side wall of the circuit motherboard 3, and the locking plate 7 is slidably connected in the inside the communication groove 8 under the action of the limit plate 10 and the spring 11, so that the locking plate 7 can lock the circuit motherboard 3 on the outer wall of the top of the circuit motherboard 3, and the circuit motherboard 3 can be conveniently detached.

The four corners department of drain pan 1 top outer wall homogeneous body shaping has a spiral shell section of thick bamboo 13, and the constant head tank 14 has all been seted up to the four corners department of top shell 2 bottom outer wall, spiral shell section of thick bamboo 13 peg graft in the inside of constant head tank 14, and the four corners department of top shell 2 top outer wall all has seted up the screw 12 that is linked together between constant head tank 14, spiral shell section of thick bamboo 13 peg graft in the inside of constant head tank 14, and the inside peg graft of screw 12 have with spiral shell section of thick bamboo 13 be threaded connection's screw, fine promotion the compactness and the steadiness of laminating between drain pan 1 and top shell 2, be fixed connection through the screw between drain pan 1 and the top shell 2, and bond on the bottom inner wall of drain pan 1 have the graphene fin 4 that is equidistant structural distribution runs through drain pan 1 on the bottom inner wall of drain pan 1, and the inside bonding of grid fin 6 that is linked together between graphene fin 4, the drain pan 4 is linked together with the bottom of circuit board 3, make things convenient for the evacuation transmission of the heat that electronic component produced on the circuit board 3 to give heat conducting fin 6, promote the evacuation that and promote the circuit board 3, and the effect of the circuit board 3 has been laminated.

Working principle: during the use, locking plate 7 sliding connection is in the inside of intercommunication groove 8 under limiting plate 10 and spring 11's effect for locking plate 7 can laminate at circuit board 3's top outer wall and lock circuit board 3, conveniently install and dismantle circuit board 3 simultaneously, and laminate mutually between graphite alkene fin 4 and circuit board 3's the bottom, make things convenient for the heat evacuation that electronic component produced on the circuit board 3 to transmit for conducting strip 6 to disperse, and then promoted the radiating effect of locator circuit board 3, screw shell 13 grafting is in the inside of constant head tank 14, and screw hole 12's inside grafting has the screw that is threaded connection with screw shell 13, fine promotion compact and the steadiness of laminating between drain pan 1 and the top shell 2.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (7)

1. The utility model provides a locking structure of mainboard, includes drain pan (1), top shell (2) and circuit board (3), its characterized in that, circuit board (3) agree with in the inside of drain pan (1), and the center department at drain pan (1) inside wall four corners has seted up intercommunication groove (8), spacing groove (9) have been seted up to the inside of intercommunication groove (8), and the inside grafting of intercommunication groove (8) has locking plate (7), one side welding that locking plate (7) extend to spacing groove (9) inside has limiting plate (10), and one side welding that limiting plate (10) kept away from locking plate (7) has spring (11), sliding connection is in the inside of intercommunication groove (8) under the effect of limiting plate (10) and spring (11), and laminating between the bottom of locking plate (7) and the top of circuit board (3).

2. The locking structure of the main board according to claim 1, wherein engaging portions (16) are integrally formed at four corners of the inner side wall of the bottom case (1), and engaging grooves (15) which are attached to the engaging portions (16) are formed at four corners of the outer side wall of the circuit main board (3).

3. The locking structure of the main board according to claim 1, wherein screw barrels (13) are uniformly and integrally formed at four corners of the top outer wall of the bottom shell (1), and positioning grooves (14) are formed at four corners of the bottom outer wall of the top shell (2).

4. A locking structure of a main board according to claim 3, wherein the screw cylinder (13) is inserted into the positioning groove (14), and four corners of the outer wall of the top shell (2) are provided with screw holes (12) communicated with the positioning groove (14).

5. The locking structure of the main board according to claim 1, wherein the bottom shell (1) and the top shell (2) are fixedly connected through screws, and graphene cooling fins (4) attached to the circuit main board (3) are adhered to the inner wall of the bottom shell (1).

6. The locking structure of the main board according to claim 5, wherein the bottom inner wall of the bottom shell (1) is provided with grid grooves (5) which are equidistantly distributed and penetrate through the bottom shell (1), and heat conducting fins (6) attached to the graphene radiating fins (4) are adhered to the inner part of the grid grooves (5).

7. A locator master board comprising a locking structure of the master board according to any one of claims 1 to 5.