Circuit board mounting structure with buffer structure

Abstract

The utility model discloses a circuit board mounting structure with a buffer structure, which comprises a circuit board body, a plurality of circular grooves are arranged on the circuit board body, arc-shaped jacks are arranged on the side walls of the grooves, buffer springs used for being connected with capacitive touch buttons are arranged in the grooves, and the end portions of the bottom sides of the buffer springs are screwed into the jacks to be fixed. The bottom of the groove is provided with a plurality of copper contacts conducted with the buffer spring, one copper contact is located in the jack, when one end of the reset spring is screwed into the jack, the wall face of the end of the reset spring makes contact with the copper contacts to be conducted, and the other copper contacts make contact with the bottom face of the reset spring to be conducted. During installation, the reset springs for buffering and sensing can be stably fixed only by screwing the bottom ends of the reset springs into the insertion holes for fixing, and in addition, when the reset springs are rusted and the like, a single reset spring can be replaced.

Description

Technical Field

[0001] The utility model relates to a circuit board, in particular to a circuit board installation structure with a buffer structure. Background Art

[0002] As the core component of electronic equipment, circuit boards use high-quality materials and manufacturing processes, have excellent anti-interference and anti-environmental interference capabilities, and can provide long-term and stable support for electronic equipment.

[0003] The circuit boards used for control are generally of two types: capacitive and resistive. Capacitive circuit boards generally sense touch by setting springs on the circuit board, which are connected in parallel with capacitors while providing buffering. Since touch relies on springs, the stability of the springs is particularly important. Currently, most springs are fixed by welding.

[0004] During welding, pins are often required to be set, and the pins and the copper circuit on the circuit board need to be welded together. The welding process is relatively complicated. If the spring is damaged after welding, the spring cannot be replaced alone, and the entire circuit board needs to be replaced. Utility Model Content

[0005] Based on the prior art, when fixing the spring by welding, pins need to be set, and the pins need to be welded together with the copper circuit on the circuit board during welding. The welding process is relatively complicated. If the spring is damaged after welding, the spring cannot be replaced alone and the entire circuit board needs to be replaced. The utility model provides a circuit board mounting structure with a buffer structure.

[0006] The technical solution adopted by the present invention to solve the above technical problems is:

[0007] A circuit board mounting structure with a buffer structure includes a circuit board body, a plurality of circular grooves are provided on the circuit board body, an arc-shaped socket is provided on the side wall of the groove, a buffer spring for a capacitive touch button is provided in the groove, the end of the bottom side of the buffer spring is screwed into the socket and fixed, and a plurality of copper contacts that are conductive with the buffer spring are provided at the bottom of the groove, one of the copper contacts is located in the socket, when one end of the reset spring is screwed into the socket, the wall surface of the end of the reset spring contacts with the copper contact and is conductive, and the other copper contact contacts with the bottom surface of the reset spring and is conductive.

[0008] Preferably, one end of the buffer spring contacts the inner end of the capacitive touch button, and the other end is connected in parallel with a capacitor provided on the circuit board. In this solution, the capacitor and spring are connected in parallel, and together with the resistor, form an induction circuit. When a person presses the touch button, the corresponding capacitance changes. The control unit senses the touch button press by detecting the voltage and current changes caused by the capacitance change. During the pressing process, the buffer spring not only causes the capacitance to change, but also provides a buffering and reset effect on the touch button, making the press more comfortable.

[0009] Preferably, the sidewall of the groove is provided with a spiral retaining groove, and the buffer spring is screwed into the retaining groove. The spiral retaining groove is equivalent to a thread with a small slope, and the return spring is installed by screwing it into the groove. After installation, the return spring is retained by the groove wall of the retaining groove, thereby further increasing its stability and preventing it from falling out of the groove.

[0010] As preferred, the jack is located at the tail section of the bottom of the limiting groove. In this solution, when the return spring is screwed in, its tail section is screwed into the jack for fixing.

[0011] As an advantage, the buffer spring is a cylindrical coil spring with the same outer diameter. In this solution, the cylindrical coil springs have the same diameter, which can better match the limiting groove.

[0012] Preferably, the opening width of the retaining groove is larger than the wire diameter of the spring, and the cylindrical coil spring can be partially placed in the retaining groove. In this solution, the width of the retaining groove is set to be larger than the wire diameter, and the maximum diameter of the retaining groove is set to be larger than the outer diameter of the return spring, so that the return spring is partially located in the retaining groove. This structure facilitates the screwing of the return spring. If the retaining groove is set to a matching shape, the resistance to screwing in will increase when the number of turns of the retaining groove is large, but this problem does not exist when the number of turns of the retaining groove is small.

[0013] Preferably, the circuit board is further provided with a plurality of sockets for connecting power cord terminals and colored lights. The sockets are provided with power connection jacks that communicate with the circuit in the circuit board body. When the power cord terminals are inserted, the power is turned on. When the colored lights are plugged into the sockets, the colored lights communicate with the circuit of the circuit board body.

[0014] Preferably, the circuit board is further provided with a display screen, which is located in the middle of the circuit board and the groove is located at the periphery of the display screen. The display screen is used to display parameters, mainly used to display parameters adjusted by pressing the touch button.

[0015] Preferably, a circuit connected to the display screen, the socket and the contacts is provided in the circuit board body, and the circuit is a copper circuit formed by printing through etching.

[0016] Preferably, the circuit board body is provided with a plurality of mounting holes for fixing. These mounting holes are only used for fixing the circuit board body. If necessary, through holes can be provided on the circuit board body to provide electrical connections for component pins, positioning holes for mounting and positioning, plug-in holes for pins, and heat dissipation holes for heat dissipation.

[0017] Compared with the prior art, the advantages of the present invention are as follows: during installation, the reset spring can be firmly fixed by simply screwing the bottom end of the reset spring into the socket. In addition, when the reset spring is rusted, a single reset spring can be replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be described in further detail below with reference to the accompanying drawings and preferred embodiments. However, those skilled in the art will appreciate that these drawings are drawn only for the purpose of explaining the preferred embodiments and should not be construed as limiting the scope of the present invention. Furthermore, unless otherwise specified, the drawings are merely schematic representations of the composition or structure of the depicted objects and may contain exaggerated representations. Furthermore, the drawings are not necessarily drawn to scale.

[0019] Figure 1 A perspective view of this application;

[0020] Figure 2 A top view of the present application (with one return spring removed);

[0021] Figure 3 for Figure 2 Middle AA section;

[0022] Figure 4 for Figure 3 The enlarged image in ;

[0023] Figure 5 Schematic diagram of the structure of the jack;

[0024] In the figure: 10, circuit board body; 101, mounting hole; 102, groove; 1021, limit slot; 1022, jack; 20, display screen; 30, socket; 40, return spring. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are merely descriptive and exemplary and should not be construed as limiting the scope of protection of the present invention.

[0026] It should be noted that like reference numerals denote like items in the following drawings, and thus, once an item is defined in one drawing, it may not be further defined or explained in subsequent drawings.

[0027] This embodiment mainly describes the circuit board mounting structure with a buffer structure, as follows:

[0028] A spring touch structure is a commonly used control structure used as a control part to adjust the parameters of electrical appliances. In the existing technology, pins are set on the spring, inserted into the circuit board and connected by welding. This method will fix the spring and cannot be replaced. If the spring rusts, the entire circuit board can only be replaced. In addition, the welding structure has certain requirements on the process and is relatively difficult to install.

[0029] In view of the above problems, this embodiment provides a circuit board mounting structure with a buffer structure. Figure 1-5 The circuit board 10 includes a plurality of circular grooves 1021 formed on the circuit board body. The sidewalls of the grooves 1021 are provided with arc-shaped sockets 1022. A buffer spring 40 for a capacitive touch button is provided within the grooves 1021. The bottom end of the buffer spring 40 is screwed into the socket 1022 for fixation. The bottom of the groove 1021 is provided with multiple copper contacts that are electrically connected to the buffer spring 40. One of the copper contacts is located within the socket 1022. When one end of the return spring 40 is screwed into the socket 1022, the wall surface of the return spring 40 contacts the copper contact, thereby electrically connected. The other copper contacts also contact the bottom surface of the return spring 40, thereby electrically connected. In this solution, considering that the thickness of the circuit board is generally 3-5 mm, a two-layer structure can be used when providing the grooves 1021. The top layer has holes, while the bottom layer does not have holes, serving as a base. After lamination, the grooves 1021 are formed at the hole locations. During installation, the reset spring 40 can be firmly fixed by simply screwing the bottom end of the reset spring 40 into the insertion hole 1022 .

[0030] Preferably, one end of the buffer spring 40 contacts the inner end of the capacitive touch button, and the other end is connected in parallel with a capacitor provided on the circuit board 10. In this solution, the capacitor and spring are connected in parallel, and together with the resistor, form an induction circuit. When a person presses the touch button, the corresponding capacitance changes. The control unit senses the touch button press by detecting the voltage and current changes caused by the capacitance change. During the pressing process, the buffer spring 40 not only causes the capacitance change but also provides a buffering and reset effect on the touch button, making the press more comfortable.

[0031] As shown, the sidewall of the groove 1021 is provided with a spiral retaining groove 1021, and the buffer spring 40 is screwed into the retaining groove 1021. The spiral retaining groove 1021 is equivalent to a thread with a small slope. The return spring 40 is installed by screwing it into the groove. After installation, the return spring 40 is retained by the groove wall of the retaining groove 1021, thereby further increasing its stability and preventing it from escaping from the groove 1021.

[0032] As an advantage, the insertion hole 1022 is located at the tail section of the bottom of the limiting groove 1021. In this solution, when the return spring 40 is screwed in, its tail section is screwed into the insertion hole 1022 for fixation.

[0033] Preferably, the buffer spring 40 is a cylindrical coil spring with the same outer diameter. In this solution, the cylindrical coil springs have the same diameter, which can better match the limiting groove 1021.

[0034] Preferably, the opening width of the limiting groove 1021 is larger than the wire diameter of the spring, and the cylindrical coil spring can be partially placed in the limiting groove 1021. In this solution, the width of the limiting groove 1021 is set to be larger than the wire diameter, and the maximum diameter of the limiting groove 1021 is set to be larger than the outer diameter of the return spring 40, so that the return spring 40 is partially located in the limiting groove 1021. This structure facilitates the screwing in of the return spring 40. If the limiting groove 1021 is set to a matching shape, the screwing resistance will increase when the number of turns of the limiting groove 1021 is large, but this problem does not exist when the number of turns of the limiting groove 1021 is small.

[0035] Preferably, the circuit board is further provided with a plurality of sockets 30 for connecting power cord terminals and colored lights. The sockets 30 are provided with power connection jacks 1022 or power plugs that communicate with the circuit board 10. When the power cord terminals are inserted, the power is turned on, and when the colored lights are plugged into the sockets 30, the colored lights are connected to the circuit board 10.

[0036] Preferably, a display screen 20 is further provided on the circuit board, the display screen 20 is located in the middle of the circuit board, and the groove 1021 is located at the periphery of the display screen 20. The display screen 20 is used to display parameters, mainly used to display parameters adjusted by pressing the touch button.

[0037] Preferably, a circuit connected to the display screen 20, the socket 30 and the contacts is provided in the circuit board 10. The circuit is a copper circuit formed by printing through etching.

[0038] Preferably, the circuit board 10 is provided with a plurality of mounting holes 101 for fixing. The mounting holes 101 are only used for fixing the circuit board 10. If necessary, through holes can be provided on the circuit board 10 to provide electrical connections for component pins, positioning holes for mounting and positioning, plug-in holes for pins, and heat dissipation holes for heat dissipation.

[0039] The above is a detailed introduction to the titles provided by the utility model. Specific examples are used in this article to illustrate the principles and implementation methods of the utility model. The description of the above embodiments is only used to help understand the utility model and its core ideas. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the utility model, the utility model can also be improved and modified. These improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A circuit board mounting structure with a buffer structure, comprising a circuit board body, characterized in that: There are several circular grooves on the circuit board body, and the side walls of the grooves are provided with arc-shaped sockets. The grooves are provided with buffer springs for capacitive touch buttons. The end of the bottom side of the buffer spring is screwed into the socket and fixed. The bottom of the groove is provided with multiple copper contacts that are connected to the buffer spring, one of which is located in the socket.

2. The circuit board mounting structure with a buffer structure according to claim 1, wherein: One end of the buffer spring contacts the inner end of the capacitive touch button, and the other end is connected in parallel with a capacitor arranged on the circuit board body.

3. The circuit board mounting structure with a buffer structure according to claim 1, wherein: The side wall of the groove is provided with a spiral limiting groove, and the buffer spring is placed in the limiting groove by being screwed in.

4. The circuit board mounting structure with a buffer structure according to claim 3, wherein: The jack is located at the bottom end of the limiting slot.

5. The circuit board mounting structure with a buffer structure according to claim 3, wherein: The buffer spring is a cylindrical coil spring with the same outer diameter.

6. The circuit board mounting structure with a buffer structure according to claim 3, wherein: The opening width of the limiting groove is greater than the wire diameter of the spring, and the cylindrical coil spring can be partially placed in the limiting groove.

7. The circuit board mounting structure with a buffer structure according to claim 1, wherein: The circuit board is also provided with a plurality of sockets for connecting power line terminals and colored lights.

8. The circuit board mounting structure with a buffer structure according to claim 7, wherein: A display screen is also provided on the circuit board. The display screen is located in the middle of the circuit board, and the groove is located at the periphery of the display screen.

9. The circuit board mounting structure with a buffer structure according to claim 8, wherein: A circuit connected with the display screen, the socket and the contacts is arranged in the circuit board body.

10. The circuit board mounting structure with a buffer structure according to claim 1, wherein: The circuit board body is provided with a plurality of mounting holes for fixing.

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