CN218897343U - Circuit board fixing table - Google Patents
Circuit board fixing table Download PDFInfo
- Publication number
- CN218897343U CN218897343U CN202223445558.XU CN202223445558U CN218897343U CN 218897343 U CN218897343 U CN 218897343U CN 202223445558 U CN202223445558 U CN 202223445558U CN 218897343 U CN218897343 U CN 218897343U
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- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000011161 development Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The application relates to a circuit board fixing table, which comprises a base and a positioning and rotating mechanism, wherein at least two sliding grooves are formed in the base in parallel; the positioning rotating mechanism comprises a positioning unit and a rotating unit, the positioning unit is in sliding connection with the sliding chute, the first end of the rotating unit is in rotary connection with the positioning unit, the rotating unit and the positioning unit are locked and fixed on the base through a locking structure, the second end of the rotating unit is provided with a positioning screw hole, the rotating radius of the rotating unit is half of the distance between two adjacent sliding chutes, the rotating radius is the distance from the center point of the positioning screw hole to the rotating center of the rotating unit, and the circuit board fixing table can flexibly adapt to circuit boards of various specifications.
Description
Technical Field
The application relates to the technical field of processing, in particular to a circuit board fixing table.
Background
In the hardware development production process, the whole process is penetrated through the operations of testing, welding and the like of the circuit board, so that the operation convenience is improved, the risk of damage to the circuit board caused by manual touch is avoided, and the circuit board needs to be fixed on a workbench for operation.
The existing circuit board fixing table is usually only provided with a base, and fixing holes are formed in the base at corresponding positions aiming at the positioning holes of the circuit board. The corresponding base hole site must be reprocessed or remachined, and the manufacturing period is long and the cost is high.
Disclosure of Invention
Based on the above, the circuit board fixing table is provided, and the problem that the circuit board fixing table in the prior art cannot be flexibly applied to circuit boards with various specifications is solved.
In one aspect, a circuit board fixing table is provided, including:
the base is provided with at least two sliding grooves in parallel;
the positioning rotating mechanism comprises a positioning unit and a rotating unit, the positioning unit is in sliding connection with the sliding chute, the first end of the rotating unit is in rotary connection with the positioning unit, the rotating unit and the positioning unit are locked and fixed on the base through a locking structure, a positioning screw hole for setting a circuit board connecting piece is formed in the second end of the rotating unit, the rotating radius of the rotating unit is half of the distance between two adjacent sliding chutes, and the rotating radius is the distance from the center point of the positioning screw hole to the rotating center of the rotating unit.
In one embodiment, the circuit board connector includes a set screw.
In one embodiment, the positioning screw hole at least comprises a first thread section and a second thread section along the depth direction, wherein the aperture of the first thread section is larger than that of the second thread section, and the first thread section and the second thread section are respectively used for connecting positioning screws with different diameters.
In one embodiment, the rotating unit comprises a main body and a first boss, wherein the first boss is arranged on one surface, facing away from the base, of the main body, and the first boss and the positioning screw hole are coaxially arranged.
In one embodiment, the rotating unit further includes a second boss provided on a side of the main body near the base, the second boss being coaxially provided with a rotation center of the main body.
In one embodiment, the locking structure comprises a locking screw, the positioning unit is provided with a through hole, a locking screw hole is formed in the rotation center of the rotation unit, the locking screw extends into the through hole from bottom to top and is in threaded connection with the locking screw hole, and the positioning unit and the rotation unit clamp the base.
In one embodiment, the cross sections of the sliding groove and the positioning unit are of inverted T shape, and the first unit is embedded in the sliding groove.
In one embodiment, the positioning unit comprises a convex cap at the lower part, the two sides of the convex cap are provided with rotation stopping surfaces, the convex cap is embedded into the bottom of the chute, and the width of the bottom of the chute is equal to the distance between the two rotation stopping surfaces.
In one embodiment, the positioning unit further comprises a convex column at the upper part, the convex column protrudes out of the sliding groove, a counter bore is arranged at the bottom of the rotating unit, the counter bore is concentric with the locking screw hole, and the convex column stretches into the counter bore.
In one embodiment, at least one of the positioning and rotating mechanisms is disposed in the chute.
Above-mentioned circuit board fixed station has base and location rotary mechanism, and location rotary mechanism can be in the spout that sets up on the base linear slip, and location rotary mechanism includes rotary unit simultaneously, is provided with the circuit board connecting piece that is used for connecting the circuit board on the rotary unit, through combination linear slip and rotation, can carry out adaptability to the circuit board of different specifications and match, has improved the flexibility of use of this application circuit board fixed station.
Drawings
FIG. 1 is a schematic diagram of a circuit board fixing table according to an embodiment;
FIG. 2 is a top view of a circuit board mounting table in one embodiment;
FIG. 3 is a partial cross-sectional view of a circuit board mount in one embodiment;
FIG. 4 is a schematic diagram of a rotary unit in one embodiment;
fig. 5 is a schematic structural diagram of a positioning unit in one embodiment.
Reference numerals illustrate: base 100, chute 110, positioning rotation mechanism 200, positioning unit 210, locking screw 211, male cap 212, rotation stop surface 213, male post 214, rotation unit 220, positioning screw 221, positioning screw hole 222, first threaded section 2221, second threaded section 2222, first boss 223, second boss 224, locking screw hole 225, counter bore 226, and second boss,
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
It should be noted that, the illustrations provided in the present embodiment merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complex.
The structures, proportions, sizes, etc. shown in the drawings attached hereto are for illustration purposes only and are not intended to limit the scope of the utility model, which is defined by the claims, but rather by the claims.
References in this specification to orientations or positional relationships as "upper", "lower", "left", "right", "intermediate", "longitudinal", "transverse", "horizontal", "inner", "outer", "radial", "circumferential", etc., are based on the orientation or positional relationships shown in the drawings, are also for convenience of description only, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Circuit boards are important electronic components, provide mechanical support for fixing and assembling various other electronic components such as integrated circuits, realize wiring and electrical connection or electrical insulation between various electronic components such as integrated circuits, provide required electrical characteristics, and are used in various fields.
The operations such as testing and welding the circuit board penetrate through the whole process of development and production of software and hardware of the electronic equipment, and in the development and production processes, signals and specifications of the circuit board are various, so that the fixture and the fixing table for fixing the circuit board are required to be adaptively adjusted.
Most of the existing circuit board fixing devices are very simple in structure, only a base is provided with a fixing hole, the fixing hole corresponds to a positioning hole on a circuit board, and the fixing hole is fixed by a screw and the like, so that when the circuit boards with different specifications are matched, the fixing hole needs to be machined again, and the cost is high.
In one embodiment, a circuit board fixing table is provided, as shown in fig. 1, and includes a base 100 and a positioning and rotating mechanism 200, where at least two sliding grooves 110 are disposed on the base 100 in parallel, for example, the base 100 shown in fig. 2.
The base 100 is used as a main bearing part of the fixing table, and can be made of a material with high strength and high insulation performance; specific configurations thereof include, but are not limited to, a flat plate structure adopted in the present embodiment, wherein the sliding groove 110 is illustratively formed in a fixed slotting manner, and the slotting depth is as high as penetrating the base 100, so as to facilitate the adjustment from below by a user in the case that the circuit board is placed above the base 100.
The positioning and rotating mechanism 200 includes a positioning unit 210 and a rotating unit 220, wherein the positioning unit 210 is used for fixing the whole positioning and rotating mechanism 200 with the base 100, and illustratively, the positioning unit 210 is slidably connected with the chute 110, and a locking structure is arranged between the positioning unit 210 and the chute 110, when in use, the positioning unit 210 is firstly adjusted to a proper position in the chute 110, and then is fixed by the locking structure; the rotating unit 220 includes a first end and a second end, the first end of the rotating unit 220 is rotatably connected with the positioning unit 210, that is, the rotating unit 220 may rotate around a rotation center of the first end, the rotating unit 220 and the positioning unit 210 are locked and fixed on the base 100 by a locking structure, the second end of the rotating unit 220 is provided with a positioning screw hole 222 for setting a circuit board connector, a rotation radius of the rotating unit 220 is half of a distance between two adjacent sliding grooves 110, and the rotation radius is a distance from a center point of the positioning screw hole 222 to the rotation center of the rotating unit 220.
The use process of the circuit board fixing table in this embodiment is illustrated by way of example, the circuit board connector is used to connect the rotating unit 220 with the circuit board to be tested, the relative position of the positioning unit 210 in the chute 110 is adjusted and fixed by the locking structure, the rotating unit 220 with a rotation radius of 1/2 of the distance between two adjacent chutes 110 rotates around the rotation center, so that the adjustment of all points on the arc can be realized, and the overall adjustment in a range can be realized by matching with the linear adjustment of the chute 110, so as to adapt to the circuit boards with more specifications.
In some embodiments, in order to improve the flexibility of installing the circuit board, the adopted circuit board connecting piece is of a clamping structure, and the connecting mode is independent of hole position fixation, directly clamps the edge of the circuit board, and has strong adaptability. However, in the development process of some products, the edge distance of the circuit board components is small, and the edges are generally specially treated, so that the clamping mode is easy to destroy the functions and components of the circuit board, therefore, the clamping type fixing table has higher requirements on the edge space of the circuit board, larger clamping positions are required to be reserved, and the requirements on miniaturization and safety of the circuit board are not met.
In one embodiment, as shown in fig. 3, the circuit board connector includes a set screw 221 for engaging a set hole in the circuit board.
The fixing of the circuit board by the set screw 221 can avoid limitation of circuit board layout and risk of crushing the circuit board due to clamping.
As shown in fig. 4, in one embodiment, the positioning screw hole 222 is in the form of a stepped screw hole, which is exemplarily illustrated, the positioning screw hole 222 includes a first threaded section 2221 and a second threaded section 2222 along the depth direction, wherein the aperture of the first threaded section 2221 is larger than that of the second threaded section 2222, and the first threaded section 2221 and the second threaded section 2222 are respectively used for connecting positioning screws 221 with different diameters so as to adapt to positioning holes with different apertures on a circuit board.
It will be appreciated that the set screw 222 is not limited to two threaded segments, and that the adaptation to different set screws 221 may be enhanced by adding threaded segments of different bore diameters, with the bore diameters of the different threaded segments decreasing in the depth direction.
In one embodiment, the rotating unit 220 includes a main body and a first boss 223, the first boss 223 is disposed on a surface of the main body facing away from the base 100, and the first boss 223 is disposed coaxially with the positioning screw hole 222.
The first boss 223 acts to raise the tested circuit board, so that the circuit board is suspended, avoiding unnecessary risk caused by contact between the circuit board and the base 100, and reducing the contact area between the rotating unit 220 and the circuit board.
In one embodiment, the rotating unit 220 further includes a second boss 224, the second boss 224 is disposed on a surface of the main body near the base 100, and the second boss 224 is disposed coaxially with a rotation center of the main body.
The second boss 224 is used to raise the body to avoid the body from being obstructed during rotation.
Illustratively, the locking structure includes a locking screw 211, the positioning unit 210 is provided with a through hole, a locking screw hole 225 is provided at the rotation center of the rotating unit 220, the locking screw 211 is extended into the through hole from bottom to top, and is screwed to the locking screw hole 225, and when the locking screw 211 is tightened, the positioning unit 210 and the rotating unit 220 clamp the base 100 while the positioning unit 210 and the rotating unit 220 are fixed.
In one embodiment, the cross sections of the chute 110 and the positioning unit 210 are both inverted T-shaped, and the first unit is embedded in the chute 110 to obtain the flatness of the bottom of the base 100.
Specifically, as shown in fig. 5, the positioning unit 210 includes a lower convex cap 212, rotation stopping surfaces 213 are disposed on two sides of the convex cap 212, the convex cap 212 is embedded into the bottom of the chute 110, and the width of the bottom of the chute 110 is equal to the distance between the two rotation stopping surfaces 213.
It will be appreciated that the male cap 212 with the rotation stop surface 213 is inserted into the chute 110, so as to reduce the degree of freedom of the positioning unit 210, thereby improving the positioning stability. And the rotation stop surface 213 is not limited to a planar structure, nor to two.
In one embodiment, the positioning unit 210 further includes an upper boss 214, the boss 214 protrudes from the chute 110, a counter bore 226 is disposed at the bottom of the rotating unit 220, the counter bore 226 is disposed concentrically with the locking screw hole 225, and the boss 214 protrudes into the counter bore 226.
In use, the positioning unit 210 can be inserted into the chute 110 in advance, and the rotating unit 220 is pre-positioned by sleeving the boss 214 protruding from the chute 110.
As shown in fig. 2, in the same chute 110, a plurality of positioning and rotating mechanisms 200 may be installed so as to fix a circuit board having a plurality of positioning holes.
The circuit board fixing table is provided with the positioning rotating mechanism 200 capable of sliding linearly, the positioning rotating mechanism 200 comprises the rotating unit 220, the fixing of circuit boards with different specifications can be realized through the combination of linear adjustment and rotation adjustment, and the damage to the circuit boards is avoided in a screw fixing mode.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples merely represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.
Claims (10)
1. A circuit board mount, comprising:
the base is provided with at least two sliding grooves in parallel;
the positioning rotating mechanism comprises a positioning unit and a rotating unit, the positioning unit is in sliding connection with the sliding chute, the first end of the rotating unit is in rotary connection with the positioning unit, the rotating unit and the positioning unit are locked and fixed on the base through a locking structure, a positioning screw hole for setting a circuit board connecting piece is formed in the second end of the rotating unit, the rotating radius of the rotating unit is half of the distance between two adjacent sliding chutes, and the rotating radius is the distance from the center point of the positioning screw hole to the rotating center of the rotating unit.
2. The circuit board mounting table of claim 1, wherein the circuit board connector comprises a set screw.
3. The circuit board fixing table according to claim 2, wherein the positioning screw hole comprises at least a first screw thread section and a second screw thread section along a depth direction, wherein an aperture of the first screw thread section is larger than an aperture of the second screw thread section, and the first screw thread section and the second screw thread section are respectively used for connecting positioning screws with different diameters.
4. The circuit board fixing table according to claim 2, wherein the rotating unit includes a main body and a first boss, the first boss is disposed on a surface of the main body facing away from the base, and the first boss is disposed coaxially with the positioning screw hole.
5. The circuit board fixing table according to claim 4, wherein the rotation unit further comprises a second boss provided on a face of the main body close to the base, the second boss being coaxially provided with a rotation center of the main body.
6. The circuit board fixing table according to claim 1, wherein the locking structure comprises a locking screw, the positioning unit is provided with a through hole, a locking screw hole is formed in the rotation center of the rotation unit, the locking screw extends into the through hole from bottom to top and is in threaded connection with the locking screw hole, so that the positioning unit and the rotation unit clamp the base.
7. The circuit board fixing table according to claim 6, wherein the cross sections of the sliding groove and the positioning unit are inverted T-shaped, and the positioning unit is embedded in the sliding groove.
8. The circuit board fixing table according to claim 7, wherein the positioning unit comprises a convex cap at the lower part, rotation stopping surfaces are arranged at two sides of the convex cap, the convex cap is embedded into the bottom of the sliding groove, and the width of the bottom of the sliding groove is equal to the distance between the two rotation stopping surfaces.
9. The circuit board fixing table according to claim 8, wherein the positioning unit further comprises a boss at the upper part, the boss protrudes out of the sliding groove, a counter bore is arranged at the bottom of the rotating unit, the counter bore is concentric with the locking screw hole, and the boss protrudes into the counter bore.
10. The circuit board mounting table according to any one of claims 1 to 9, wherein a plurality of said positioning and rotating mechanisms are provided in said slide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223445558.XU CN218897343U (en) | 2022-12-22 | 2022-12-22 | Circuit board fixing table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223445558.XU CN218897343U (en) | 2022-12-22 | 2022-12-22 | Circuit board fixing table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218897343U true CN218897343U (en) | 2023-04-21 |
Family
ID=86003730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223445558.XU Active CN218897343U (en) | 2022-12-22 | 2022-12-22 | Circuit board fixing table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218897343U (en) |
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2022
- 2022-12-22 CN CN202223445558.XU patent/CN218897343U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240109 Address after: No. 13 Xingxiang Road, Zengjia Town, High tech Zone, Jiulongpo District, Chongqing, 400039 Patentee after: Chongqing Selis Phoenix Intelligent Innovation Technology Co.,Ltd. Address before: 610095 No. 2901, floor 29, unit 1, building 1, No. 151, Tianfu Second Street, high tech Zone, China (Sichuan) pilot Free Trade Zone, Chengdu, Sichuan Province Patentee before: Chengdu Thalys Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |