CN201115146Y - Positioning device - Google Patents

Abstract

A positioning device is applied to an electronic device. The electronic device comprises a shell and a circuit board, wherein the circuit board is provided with at least one combining hole, the shell is provided with at least one combining column, the circuit board can move along the combining direction relative to the shell, and the circuit board is clamped on the shell through the mutual combination of the combining hole and the combining column. The positioning device comprises a base and a positioning piece, wherein the base is arranged on the shell, the positioning piece is provided with a pivoting part and a stopping part, the pivoting part is pivoted on the base and can pivot relative to the base, and the stopping part is arranged on one side of the pivoting part and can move along with the pivoting of the pivoting part so as to stop the circuit board to be fixed on the shell.

Description

Positioning means

technical field

The utility model relates to a positioning device, in particular to a positioning device for fixing a circuit board without bolt locking.

Background technique

With the continuous and vigorous development of technology and information, computer equipment has become a very popular electronic device. The computer equipment currently on the market, whether it is a desktop computer, a notebook computer, or a server, must be equipped with a main board inside as the core component of the computer system, so that it is electrically connected to the central part of the main board. Computer peripheral hardware such as a processor (CPU), a memory module, and a control adapter card (PCI card) can smoothly execute preset functions of the peripheral hardware.

A common way to fix the motherboard is to arrange a plurality of conductive copper pillars (boss) on the casing of the computer device as fixing components, and a plurality of through holes corresponding to the bosses are opened on the motherboard. The main board is placed on the copper pillar, and an appropriate distance is kept between the shell and the shell, and then a plurality of bolts are respectively passed through the through holes of the main board, and locked on the copper post, so that the main board passes through the copper post to produce A suspension function to avoid short circuit caused by direct contact between the solder pins on the back of the motherboard and the shell.

The traditional method of locking and fixing the motherboard with copper pillars requires the user to lock and remove the bolts one by one and repeatedly during the process of loading and unloading the motherboard. The operation is quite time-consuming and complicated, and it is not convenient in actual use. Moreover, current electronic devices are required to be light, thin and short. Too many copper pillars will occupy too much area of the main board, which makes it difficult to layout the circuit on the main board, and the overall volume of the electronic device cannot be miniaturized.

In recent years, a thumb screw that can be directly rotated by fingers has been developed as a positioning member for fixing the motherboard. As shown in FIG. 1 , it is a schematic diagram of generally using thumb screws 60 to fix the circuit board 20 to the casing 10 . The casing 10 has a plurality of positioning posts 11 and a screw hole 61 , wherein a neck 12 is formed by shrinking inward at the middle section of each positioning post 11 . The circuit board 20 defines a plurality of positioning holes 21 corresponding to the positioning posts 11 . Each positioning hole 21 is gourd-shaped and has a wide section 22 and a narrow section 23 , and the front end of the positioning post 11 passes through the positioning hole 21 through the wide section 22 . In this way, the circuit board 20 can slide on the casing 10 through the positioning post 11 , so that the narrow section 23 of the positioning hole 21 fits into the neck 12 of the positioning post 11 . Afterwards, as long as the thumb screw 60 passes through the circuit board 20 and is screwed into the screw hole 61 , the circuit board 20 can be fixed on the casing 10 .

The method of locking the motherboard with thumb screws greatly reduces the number of copper pillars used, and solves the problems caused by locking and fixing the motherboard with copper pillars. However, using thumb screws to fix the motherboard is still a screw locking method. The process of installing and disassembling the motherboard is complicated and takes too long. The cost of thumb screws is also higher than the price of traditional bolts, resulting in an increase in manufacturing costs. .

How to truly fix the installation position of the mainboard in a screwless manner and facilitate the user to quickly and conveniently assemble and disassemble the mainboard are problems that technicians in related fields are eager to overcome.

Contents of the invention

In view of the above problems, the purpose of this utility model is to provide a positioning device to improve the prior art to mount and disassemble the motherboard by screwing, resulting in the size of the electronic device cannot be miniaturized, the assembly and disassembly process is too complicated and time-consuming, and requires matching tools Locking makes the manufacturing cost too high, and it is inconvenient for users to operate and other problems.

The positioning device disclosed by the utility model is applied to electronic devices. Wherein, the electronic device has a housing and a circuit board, the circuit board has at least one coupling hole, and at least one coupling column is provided on the housing, the circuit board can be displaced along the coupling direction relative to the housing, and passes through the coupling hole The mutual combination with the combination column makes the circuit board snap on the casing.

The positioning device includes a base and a positioning piece. The base is disposed on the housing, and the positioning member has a pivot portion, a stop portion, and two opposite elastic arms. The pivoting part is pivotally arranged on the base body and can pivot to a fixed position relative to the base body. The stopper part is arranged on one side of the pivotal part, and the two elastic arms are respectively extended from the pivotal part. When the stopper The first part and the second elastic arm are displaced to a fixed position with the pivoting of the pivotal part, the stop part will block the circuit board and be fixed on the housing, and the elastic arm is clamped on the coupling column to keep the pivotal part in a fixed position to prevent the stopper from losing its stopper effect.

The effect of the utility model is that the circuit board of the electronic device can be fixed on the housing through the holding of the stopper, and the user does not need to disassemble a plurality of screws by screwing, so that the circuit board can be assembled and disassembled more labor-saving and quickly. And reach a position where the circuit board is fixed in a screwless manner. In the utility model, the two elastic arms are clamped to the fixed column, so that the pivot joint is kept at a fixed position, and the stopper does not lose its stop function, so that the circuit board is more firmly installed on the casing.

Description of drawings

Fig. 1 is the three-dimensional exploded view of thumb screw, circuit board and casing in the known technology;

Fig. 2 is the exploded schematic view of the utility model;

Fig. 3A is a three-dimensional schematic diagram of the elastic arm of the present invention in an unclamped state;

Fig. 3B is a side view of the elastic arm of the present invention in an unclamped state;

4A is a three-dimensional schematic diagram of the elastic arm of the present invention in a clamped state; and

FIG. 4B is a side view of the elastic arm of the present invention in a clamping state.

Wherein, the reference signs are explained as follows:

10 casing 1211 first pivot hole

11 positioning column 122 stopper

11 positioning column 123 spring arm

20 motherboard 1231 clamping section

21 positioning hole 130 pin

22 wide section 140 locking components

23 narrow section 200 electronic devices

60 thumb screws 210 housing

61 screw holes 211 combination column

100 positioning device 2111 necking section

110 seat body 2112 clamping part

111 second pivot hole 212 perforation

112 screw holes 213 positioning holes

113 positioning pin 220 circuit board

120 positioning piece 221 combination hole

121 pivot joint

Detailed ways

The positioning device disclosed in the present invention is applied to electronic devices, and the electronic devices include but not limited to desktop computers, notebook computers, servers and other computer devices with circuit board execution function. In the following detailed description of the utility model, a notebook computer will be used as the preferred embodiment of the utility model. However, the accompanying drawings are provided for reference and illustration only, and are not intended to limit the present invention.

Figure 2 is a three-dimensional exploded view of the embodiment of the utility model. The positioning device 100 of the present invention is applied to an electronic device 200 . The electronic device 200 has a housing 210 and a circuit board 220. The housing 210 is provided with a plurality of coupling columns 211, and the circuit board is provided with a plurality of coupling holes 221, wherein the middle section of the coupling column 211 is recessed to form a constricted section. 2111, and a clamping portion 2112 is recessed at the top of the coupling column 211, and the coupling hole 221 is a gourd-shaped structure formed by a large hole and a small hole extending from the periphery of the large hole to accommodate the top of the coupling column 211 pass. The circuit board 220 can be displaced relative to the housing 210 along a combining direction, so that the necked section 2111 of the combining column 211 slides into the small hole of the combining hole 221, and the combining column 211 is combined with the combining hole 221, and the circuit board 220 Locked on the casing 210 .

Please continue with Figure 2. The positioning device 100 of the present utility model includes a base 110 and a positioning piece 120, the base 110 is arranged on the housing 210, and the installation position of the base 110 corresponds to one side of the circuit board 220, and the side faces The opposite direction of the binding direction. The positioning member 120 is movably installed on the base body 110 , and the positioning member 120 has a pivot portion 121 , a stop portion 122 , and two elastic arms 123 . In the disclosed embodiment of the present utility model, two positioning devices 100 are installed outside the side of the circuit board 220. The purpose is to balance the force of fixing the circuit board 220 to the housing 210. According to the size and usage requirements, the number and position of the positioning devices can be increased or decreased, which is not limited to this embodiment.

One end of the pivotal part 121 has two opposite first pivotal holes 1211, and the base body 110 is provided with a second pivotal hole 111 corresponding to the first pivotal holes 1211, and the pivotal part 121 passes through the first pivotal hole through a pin 130. 1211 and the second pivot hole 111 are pivotally disposed on the base body 110 and can freely pivot relative to the base body 110 . The stop portion 122 is formed extending from the bottom side of the pivot portion 121 , and the two elastic arms 123 are respectively extended from one side of the pivot portion 121 to form opposite sides. The stop portion 122 and the elastic arm 123 can pivot along with the pivot portion 121 , and move to a fixed position.

Please continue to refer to FIG. 2 , a screw hole 112 and two positioning pins 113 are provided at the bottom of the base body 110 , and a through hole 212 and two positioning holes 213 are defined in the housing 210 corresponding to the positions of the screw hole 112 and the positioning pins 113 . The positioning pin 113 is combined with the positioning hole 213, and a locking component 140, such as a bolt, is passed through the through hole 213 and locked in the screw hole 112, so that the base 110 is stably fixed on the housing 210, however Those who are familiar with this technology can choose any components that can provide fixing functions such as bolts and rivets, and match the corresponding screw holes, which is not limited to the embodiments of the present invention.

It is worth noting that, in addition to the embodiments disclosed in the utility model in which the seat body 110 is fixed by locking, the seat body 110 can also be integrated with the shell 210 , and the shell 210 can be directly extruded or pressed during the manufacturing process. Various mechanical processing methods such as sheet metal are used to directly form the seat body 110 on the housing 210 , and are not limited to the disclosed embodiments of the present invention.

3A to 4B are schematic diagrams showing the action of fixing the circuit board to the casing. When the circuit board 220 is displaced along the coupling direction, so that the necked section 2111 of the coupling column 211 slides into the small hole of the coupling hole 221 , the circuit board 220 can be fixed on the housing by combining the column 211 . Then the pivoting part 121 is pivoted to a fixed position, and the stop part 122 is also displaced along with the pivoting of the pivoting part 121, and blocks one side of the circuit board 220 to position the circuit board 220 on the casing 210 , but cannot be displaced in a direction opposite to the combining direction, so as to prevent the circuit board 220 from detaching from the casing 210 .

The two elastic arms 123 are respectively provided with clamping sections 1231 corresponding to the tops of the coupling posts 211, and the distance between the two clamping sections 1231 is slightly greater than the distances of other parts of the elastic arms 123. pivoting and displaced to a fixed position, the clamping section 1231 of the elastic arm 123 firmly clamps the clamping portion 2112 of the coupling column 211 through the elastic force of the elastic arm 123, so that the pivoting portion 121 remains at a fixed position, Without causing the blocking portion 122 to lose its blocking function, the circuit board 220 can be fixed on the casing 210 .

If the circuit board 220 is to be disassembled, the pivot joint 121 will be disengaged from the fixed position, and the circuit board 220 will not be blocked by the stopper 122, but can be displaced in a direction opposite to that of the combination, so that the circuit board 220 can be smoothly removed from the casing. 210 on dismounted.

The stop part disclosed in the utility model is used to hold the circuit board, so that the circuit board is firmly installed on the casing, and through the position limiting function provided by the two elastic arms clamped on the coupling column, the pivot joint It is kept at a fixed position without pivoting, preventing the stopper from losing its stopper function.

The user does not need to use multiple sets of bolts to fix the circuit board, and the circuit board can be combined with the housing in a bolt-free manner. The circuit board can be assembled and removed more quickly and labor-saving, and the convenience of operation is greatly improved.

Although the embodiments of the present invention are disclosed as above, they are not intended to limit the present invention. Anyone who is familiar with the related art can, without departing from the spirit and scope of the present invention, refer to the shapes described in the scope of application of the present invention. Minor changes can be made in terms of structure, features and spirit, so the scope of patent protection of the utility model must be defined in the scope of patent application attached to this specification.

Claims (7)

1. positioner, be applied on the electronic installation, this electronic installation has a housing and a circuit board, this circuit board has at least one combined hole, and has at least one column on this housing, this circuit board with respect to this housing along a bonding position displacement, and mutually combine by this combined hole and this column, so that this circuit board clip is characterized in that on this housing this positioner includes:

One pedestal is arranged on this housing; And

Positioning piece, activity are installed on this pedestal, and this keeper has:

One articulated section is hubbed at this pedestal, and can be switched to a fixed position with respect to this pedestal;

One stopper section, this articulated section one side is extended certainly, and this stopper section is moved to this fixed position along with the pivot of this articulated section, hold this circuit board with retaining and be fixed on this housing; And

Two elastic arms extend from this articulated section respectively, and this two elastic arm is moved to this fixed position along with the pivot of this articulated section, and is held on this column, so that this articulated section remains in this fixed position.

2. positioner as claimed in claim 1, an end that it is characterized in that this articulated section has the two first relative pivot holes, this pedestal has one second pivot hole corresponding to this first pivot hole, and wore this first pivot hole and this second pivot hole by a latch, so that this keeper is hubbed on this pedestal.

3. positioner as claimed in claim 1, it is characterized in that this two elastic arm also is respectively equipped with a gripping section with respect to this column, when this two elastic arm is moved to this fixed position, this gripping section is clamped and fastened on this column, so that this articulated section remains in this fixed position.

4. positioner as claimed in claim 3 is characterized in that distance between this two gripping section is greater than the distance between this two elastic arm.

5. positioner as claimed in claim 1, it is characterized in that this pedestal also is provided with a screw with respect to a side of this housing, and this housing offers a perforation corresponding to the position of this screw, wears and be locked on this screw for a locked assembly, so that this pedestal is fixed on this housing.

6. positioner as claimed in claim 1, it is characterized in that this pedestal also is provided with at least one alignment pin with respect to a side of this housing, and this housing offers at least one location hole corresponding to the position of this alignment pin, this alignment pin and this location hole mutually combine, so that this pedestal is fixed on this housing.

7. positioner as claimed in claim 1 is characterized in that this pedestal and this housing are structure as a whole.

Images