CN212785997U - Combined circuit board of pressfitting formula installation - Google Patents
Combined circuit board of pressfitting formula installation Download PDFInfo
- Publication number
- CN212785997U CN212785997U CN202021345999.0U CN202021345999U CN212785997U CN 212785997 U CN212785997 U CN 212785997U CN 202021345999 U CN202021345999 U CN 202021345999U CN 212785997 U CN212785997 U CN 212785997U
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- cylinder
- clamping groove
- elliptic
- circuit board
- spring
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- 238000009434 installation Methods 0.000 title claims description 5
- 238000003825 pressing Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
A combined circuit board installed in a pressing and combining mode comprises a board body and four clamping seat bodies, wherein the four clamping seat bodies are fixedly installed on external equipment; the front clamping groove and the rear clamping groove are respectively positioned at the front side and the rear side of the elliptic cylindrical channel and are respectively communicated with the elliptic cylindrical channel; the clamping seat comprises a rotating cylinder and an elliptic cylinder, and the rotating cylinder is connected to the upper side of the elliptic cylinder through a spring; when the elliptic cylinder is embedded into the elliptic cylinder channel from bottom to top, the rotary cylinder can be pulled upwards and rotated, so that the rotary cylinder is embedded into the front clamping groove and the rear clamping groove at the same time, and the plate body is clamped and fixed between external equipment and the rotary cylinder, so that the structure is stable and reliable; when the rotary cylinder is detached, the rotary cylinder is pulled upwards again to be separated from the front clamping groove and the rear clamping groove, and the rotary cylinder is restored to the original state under the action of the spring.
Description
Technical Field
The utility model belongs to the technical field of the circuit board technique and specifically relates to indicate a combination circuit board of pressfitting formula installation.
Background
Pcbs (printed circuit boards), also known as printed circuit boards, are providers of electrical connections for electronic components. The design of the method is mainly layout design; the circuit board has the main advantages of greatly reducing errors of wiring and assembly, and improving the automation level and the production labor rate. The circuit board can be divided into a single-sided board, a double-sided board, a four-layer board, a six-layer board and other multi-layer circuit boards according to the number of the layers of the circuit board.
After the electronic components are mounted on the circuit board, the circuit board generally needs to be fixedly mounted on an electrical product such as a computer for application. In the conventional fixing technology, a bolt firstly penetrates through a through hole formed in a circuit board and then is locked in a corresponding screw hole, so that the circuit board is fixed between a nut and an electric appliance product. In the actual use process, the following problems often occur: 1. the sliding of a certain bolt is easy to occur, so that the bolt cannot be screwed and dismounted; 2. the bolt needs to be rotated for more turns to be screwed, so that the operation is troublesome; 3. the grooves in the nut are very easily damaged by repeated operation of the screwdriver, so that the locked bolt cannot be screwed out.
SUMMERY OF THE UTILITY MODEL
The utility model provides a combined circuit board of pressfitting formula installation, its main aim at overcomes above-mentioned defect.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a combined circuit board installed in a pressing and closing mode comprises a board body and four clamping seat bodies used for being fixedly installed on external equipment, wherein an elliptic cylindrical channel which is communicated up and down is formed in each of four corners of the board body, four groups of clamping grooves are formed in the upper side face of the board body, and each group of clamping grooves comprises a front clamping groove and a rear clamping groove; the front clamping groove and the rear clamping groove are respectively positioned at the front side and the rear side of the elliptic cylindrical channel and are respectively communicated with the elliptic cylindrical channel; the clamping seat comprises a rotating cylinder and an elliptic cylinder matched with the elliptic cylinder channel, the rotating cylinder is connected to the upper side of the elliptic cylinder through a spring, and the side wall of the rotating cylinder does not go beyond the longitudinal surface of the elliptic cylinder where the side wall is located; when the elliptic cylinder is embedded into the elliptic cylinder channel from bottom to top, the elliptic cylinder can pull the rotary cylinder upwards and rotate the rotary cylinder, so that the rotary cylinder is embedded into the front clamping groove and the rear clamping groove simultaneously.
Preferably, the elliptic cylindrical channel, the front clamping groove and the rear clamping groove are in a cross shape when viewed from top to bottom.
Preferably, two ends of the rotating cylinder body can be respectively embedded in the front clamping groove and the rear clamping groove in a matched manner.
Preferably, the upper side surface of the elliptic cylinder is provided with an accommodating groove, the spring is accommodated in the accommodating groove, the lower end of the spring is connected with the inner bottom wall of the accommodating groove, and the upper end of the spring is connected with the lower side surface of the rotary cylinder; the rotating cylinder is also downward abutted against the upper side surface of the elliptic cylinder under the tension of the spring.
Preferably, the height of the front clamping groove is the same as that of the rear clamping groove, and the ratio of the height of the front clamping groove to that of the elliptic cylindrical channel is 1: 1.5-3.
Preferably, a handle is arranged on the upper side of the rotating cylinder.
Compared with the prior art, the utility model discloses the beneficial effect who produces lies in:
the utility model discloses a set up elliptic cylinder passageway, preceding draw-in groove and back draw-in groove on four angles of plate body of traditional circuit board, when operating personnel installs the circuit board, only need to overlap four elliptic cylinder passageways respectively to four elliptic cylinder outsides, later pull the rotating cylinder upwards respectively, and rotate this rotating cylinder, just can make the rotating cylinder inlay simultaneously and establish in preceding draw-in groove and back draw-in groove, and then establish the plate body clamp and fix between external equipment and rotating cylinder, stable in structure is reliable; when the device is detached, the rotating cylinder body is pulled upwards again to be separated from the front clamping groove and the rear clamping groove, the rotating cylinder body can automatically rotate back to the original position under the action of the spring and descend into the elliptic cylindrical channel, and the device is simple and convenient to operate.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged schematic view of a in fig. 1.
Fig. 3 is a schematic structural view of the retainer seat of the present invention.
Fig. 4 is a cross-sectional view of the retainer seat of the present invention.
Fig. 5 is a schematic structural view of the rotary cylinder in the clamping seat of the present invention after rotation.
Fig. 6 is a cross-sectional view of the rotary cylinder in the retainer seat after rotation.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
Refer to fig. 1, 2, 3, 4, 5, and 6. A combined circuit board installed in a pressing and closing mode comprises a board body 1 and four clamping seat bases 2 fixedly installed on external equipment 100, wherein four corners of the board body 1 are respectively provided with an elliptic cylindrical channel 11 which is communicated up and down, the upper side surface of the board body 1 is also provided with four groups of clamping grooves, and each group of clamping grooves comprises a front clamping groove 12 and a rear clamping groove 13; the front clamping groove 12 and the rear clamping groove 13 are respectively positioned at the front side and the rear side of the elliptic cylindrical channel 11 and are respectively communicated with the elliptic cylindrical channel 11; the clamping seat 2 comprises a rotating cylinder 21 and an elliptic cylinder 22 matched with the elliptic cylinder channel 11, the rotating cylinder 21 is connected to the upper side of the elliptic cylinder 22 through a spring 23, and the side wall of the rotating cylinder 21 does not go beyond the longitudinal surface where the side wall of the elliptic cylinder 22 is; when the elliptic cylinder 22 is inserted into the elliptic cylinder passage 11 from bottom to top, the rotary cylinder 21 can be pulled upwards, and the rotary cylinder 21 is rotated, so that the rotary cylinder 21 is inserted into the front slot 12 and the rear slot 13 at the same time. The utility model discloses a set up elliptic cylinder passageway 11, preceding draw-in groove 12 and back draw-in groove 13 on four angles of plate body 1 of traditional circuit board, when operating personnel installed the circuit board, only need to overlap four elliptic cylinder passageways 11 respectively to four elliptic cylinder 22 outsides, later upwards stimulate the rotating cylinder 21 respectively, and rotate this rotating cylinder 21, just can make the rotating cylinder 21 inlay simultaneously and establish in preceding draw-in groove 12 and back draw-in groove 13, and then establish plate body 1 clamp and fix between external electrical equipment 100 and rotating cylinder 21, the structure is stable and reliable; when the device is detached, the rotating cylinder 21 is pulled upwards again to be separated from the front clamping groove 12 and the rear clamping groove 13, the rotating cylinder 21 can automatically rotate back to the original position under the action of the spring 23 and descend into the elliptic cylindrical channel 11, and the operation is simple and convenient.
Specifically, fig. 1, 2, 3, 4, 5, and 6 are referred to.
The elliptic cylindrical channel 11, the front clamping groove 12 and the rear clamping groove 13 are in a cross shape when viewed from top to bottom. Two ends of the rotating cylinder 21 can be respectively and adaptively embedded in the front clamping groove 12 and the rear clamping groove 13. During specific design, the shape of the rotating cylinder 21 is matched with that of the elliptic cylindrical channel 11, and the shapes of the front clamping groove 12 and the rear clamping groove 13 are matched with those of two ends of the elliptic cylindrical channel 11.
The upper side of the elliptic cylinder 22 is provided with a containing groove 24, the spring 23 is contained in the containing groove 24, the lower end of the spring 23 is connected with the inner bottom wall 241 of the containing groove 24, and the upper end is connected with the lower side 211 of the rotary cylinder 21; the rotary cylinder 21 also comes down against the upper side 221 of the elliptical cylinder 22 under the tension of the spring 23. The spring is a tension spring.
In addition, the front clamping groove 12 and the rear clamping groove 13 are the same in height, and the ratio of the height of the front clamping groove 12 to the height of the elliptic cylindrical channel 11 is 1: 1.5-3. The upper side of the rotating cylinder 21 is provided with a handle 212 for the operator to pull.
The above examples are merely illustrative for clarity and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (6)
1. The utility model provides a pressfitting formula installation's assembled circuit board, includes plate body and four screens seats that are used for fixed mounting on external equipment, its characterized in that: four corners of the plate body are respectively provided with an elliptic cylindrical channel which is communicated up and down, the upper side surface of the plate body is also provided with four groups of clamping grooves, and each group of clamping grooves comprises a front clamping groove and a rear clamping groove; the front clamping groove and the rear clamping groove are respectively positioned at the front side and the rear side of the elliptic cylindrical channel and are respectively communicated with the elliptic cylindrical channel; the clamping seat comprises a rotating cylinder and an elliptic cylinder matched with the elliptic cylinder channel, the rotating cylinder is connected to the upper side of the elliptic cylinder through a spring, and the side wall of the rotating cylinder does not go beyond the longitudinal surface of the elliptic cylinder where the side wall is located; when the elliptic cylinder is embedded into the elliptic cylinder channel from bottom to top, the elliptic cylinder can pull the rotary cylinder upwards and rotate the rotary cylinder, so that the rotary cylinder is embedded into the front clamping groove and the rear clamping groove simultaneously.
2. The pressfit assembled circuit board of claim 1, wherein: the elliptic cylindrical channel, the front clamping groove and the rear clamping groove are in a cross shape when viewed from top to bottom.
3. The pressfit assembled circuit board of claim 1, wherein: the two ends of the rotating cylinder body can be respectively embedded in the front clamping groove and the rear clamping groove in a matched manner.
4. The pressfit assembled circuit board of claim 1, wherein: the upper side surface of the elliptic cylinder is provided with an accommodating groove, the spring is accommodated in the accommodating groove, the lower end of the spring is connected with the inner bottom wall of the accommodating groove, and the upper end of the spring is connected with the lower side surface of the rotary cylinder; the rotating cylinder is also downward abutted against the upper side surface of the elliptic cylinder under the tension of the spring.
5. The pressfit assembled circuit board of claim 1, wherein: the height of the front clamping groove is the same as that of the rear clamping groove, and the ratio of the height of the front clamping groove to the height of the elliptic cylindrical channel is 1: 1.5-3.
6. The pressfit assembled circuit board of claim 1, wherein: the upper side of the rotating cylinder is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021345999.0U CN212785997U (en) | 2020-07-10 | 2020-07-10 | Combined circuit board of pressfitting formula installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021345999.0U CN212785997U (en) | 2020-07-10 | 2020-07-10 | Combined circuit board of pressfitting formula installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212785997U true CN212785997U (en) | 2021-03-23 |
Family
ID=75077022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021345999.0U Expired - Fee Related CN212785997U (en) | 2020-07-10 | 2020-07-10 | Combined circuit board of pressfitting formula installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212785997U (en) |
-
2020
- 2020-07-10 CN CN202021345999.0U patent/CN212785997U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210323 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |