CN107634392B - Fixing device, board-to-board connector assembly and mobile terminal comprising same - Google Patents
Fixing device, board-to-board connector assembly and mobile terminal comprising same Download PDFInfo
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- CN107634392B CN107634392B CN201710827128.9A CN201710827128A CN107634392B CN 107634392 B CN107634392 B CN 107634392B CN 201710827128 A CN201710827128 A CN 201710827128A CN 107634392 B CN107634392 B CN 107634392B
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Abstract
The invention discloses a fixing device, a board-to-board connector assembly and a mobile terminal comprising the same. The fixing device includes: the mounting plate is used for mounting the female seat; the fixing seats are fixedly arranged on the mounting plate, are distributed at two ends of the female seat and can change between a locking state and an unlocking state through elastic deformation; the fixed plate is in pressure contact with the male seat to realize the pressing of the male seat and the female seat; when the fixing seat is in the locking state, the fixing seat is used for applying force to the fixing plate to enable the fixing plate to be in pressure contact with the male seat, and when the fixing seat is in the unlocking state, the pressure between the fixing plate and the male seat can be released. The invention realizes the press fit of the board to the board connector by using the principle of elastic deformation without influencing data and signal transmission; meanwhile, the steps of locking and loosening screws are omitted, the male seat can be easily assembled and disassembled, and the operation is convenient, trouble-saving and labor-saving.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to a fixing device, a board-to-board connector assembly and a mobile terminal comprising the board-to-board connector assembly.
Background
Usually, a Board-to-Board connector is used in an electronic device (such as a mobile phone) and includes a female socket and a male socket, the female socket is usually fixed on a PCB (Printed Circuit Board), and the male socket is usually connected to the end of a FPC (Flexible Printed Circuit Board), so that data and signal transmission can be realized after the female socket and the male socket are assembled. In use, the male seat and the female seat need to be pressed, otherwise, the male seat and the female seat are easy to loosen, and data and signal transmission fails.
In the prior art, generally, a fixing plate is adopted to realize pressing, specifically, the fixing plate is fixed with the PCB through a screw, the male seat and the female seat are located between the PCB and the fixing plate, and the fixing plate compresses the male seat. Because each time of assembly and disassembly requires an operator to rotate the screw for a plurality of turns to lock the screw or loosen the screw, the fixing structure is complex to operate, and wastes time and labor.
Disclosure of Invention
The invention aims to overcome the defect that the operation of a fixing structure of a board-to-board connector in the prior art is complicated, and provides a fixing device for the board-to-board connector, the board-to-board connector assembly and a mobile terminal comprising the board-to-board connector assembly.
The invention solves the technical problems through the following technical scheme:
a fixing device for a board-to-board connector comprising a male socket and a female socket that are adapted to each other, characterized in that the fixing device comprises:
the mounting plate is used for mounting the female seat;
the fixing seats are fixedly arranged on the mounting plate, the fixing seats are distributed at two ends of the female seat, and the fixing seats can change between a locking state and an unlocking state through elastic deformation; and
the fixing plate is in pressure contact with the male seat to realize the pressing fit of the male seat and the female seat;
when the fixing seat is in a locked state, the fixing seat is used for applying force to the fixing plate to enable the fixing plate to be in pressure contact with the male seat, and when the fixing seat is in an unlocked state, the pressure between the fixing plate and the male seat can be released.
Optionally, the force applied by the fixed seat to the fixed plate is a pressure.
By adopting the arrangement, the pressure is prevented from loosening. In addition, the direction of the pressure applied to the fixing plate by the fixing seat and the direction of the pressure applied to the male seat by the fixing plate can be basically the same, so that the fixing plate is better prevented from being reversely loosened.
Optionally, the fixing base includes:
the fixing body is fixedly arranged on the mounting plate; and
one end of the spring piece is fixedly arranged on the fixing body, the joint of the spring piece and the fixing body can elastically deform, and when the fixing seat is in a locking state, the other end of the spring piece is used for being in contact with the fixing plate to apply pressure to the fixing plate.
Optionally, when the fixing seat is in the locking state, the contact between the spring piece and the fixing plate is surface contact.
By adopting the arrangement, the surface contact is more stable and not easy to loosen compared with point contact, line contact and the like.
Optionally, the spring plate has:
one end of the first reed is fixedly arranged on the fixing body, and the joint of the first reed and the fixing body can elastically deform; and
the second reed is connected to the other end of the first reed, the second reed is in contact with the fixed plate surface, and an included angle between the second reed and the first reed is an acute angle.
Optionally, from the locked state to the unlocked state, an angle of an included angle of the spring piece with the fixed body is changed to 20 ° to 30 °.
By adopting the arrangement, the elasticity can be ensured to be suitable and reliable in fixation. If the angle is too small, the elasticity is too small, and the fixation is unreliable; if the angle is too large, the elasticity is too large, and the installation and the disassembly are laborious.
Optionally, the fixing body comprises:
the bottom plate is fixedly arranged on the mounting plate; and
the reed side plate is connected with the bottom plate, the spring piece is fixedly arranged on the reed side plate, and a reed hole is formed in the reed side plate and used for the spring piece to penetrate through.
Optionally, the fixing body further comprises:
one end of the top plate is connected to the reed side plate, and the top plate and the bottom plate are arranged oppositely; and
one end of the limiting side plate is connected to the other end of the top plate, the limiting side plate and the reed side plate are arranged oppositely, and the limiting side plate is abutted to the bottom plate.
By adopting the arrangement, the fixing body is more stable.
Optionally, both ends of the fixing plate contacting the fixing seat extend beyond the edge of the female seat.
Adopt above-mentioned setting, the fixing base can be apart from female seat one section distance, avoids producing the interference to the installation of board to board connector.
A board-to-board connector assembly, characterized in that said board-to-board connector assembly comprises: a board-to-board connector and a fixing device as described above.
A mobile terminal characterized in that it comprises a board-to-board connector assembly as described above.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
the invention realizes the press fit of the board to the board connector by using the principle of elastic deformation without influencing data and signal transmission; meanwhile, the steps of locking and loosening screws are omitted, the male seat can be easily assembled and disassembled, and the operation is convenient, trouble-saving and labor-saving.
Drawings
Fig. 1 is a front view schematically showing a fixing device according to embodiment 1 of the present invention, wherein the fixing device is in a locked state.
Fig. 2 is a schematic front view of a board-to-board connector assembly according to embodiment 1 of the present invention, wherein the fixing means is in a locked state.
Fig. 3 is a perspective view of a board-to-board connector assembly according to embodiment 2 of the present invention, in which the fixing means is in a locked state.
Fig. 4 is a partial front view of a board-to-board connector assembly according to embodiment 2 of the present invention, in which the fixing means is in a locked state.
Fig. 5 is a partial top view of a board-to-board connector assembly according to embodiment 2 of the present invention, wherein the fixing means is in a locked state.
Fig. 6 is a perspective view of the fixing base according to embodiment 2 of the present invention, wherein the fixing device is in a locking state.
Fig. 7 is a right schematic view of the fixing base according to embodiment 2 of the present invention, wherein the fixing device is in a locking state.
Fig. 8 is a front view of the fixing base according to embodiment 2 of the present invention, wherein the fixing device is in a locking state.
Fig. 9 is a schematic front view of the fixing base according to embodiment 2 of the present invention, wherein the fixing device is in an unlocked state.
Description of reference numerals:
10: board-to-board connector assembly
100: fixing device
110: mounting plate
120: fixed seat
121: fixed body
1211: base plate
1212: reed side plate
1213: top board
1214: limit side plate
122: spring leaf
1221: first reed
1222: second reed
130: fixing plate
200: board-to-board connector
210: male seat
220: female seat
300：FPC
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1-2, this embodiment 1 discloses a fixing device 100 for a board-to-board connector 200 and a board-to-board connector assembly 10. Referring to fig. 2, the board-to-board connector assembly 10 includes: a board-to-board connector 200 and the fixing device 100.
The board-to-board connector 200 includes a male socket 210 and a female socket 220 that are fitted to each other.
The fixing device 100 includes: a mounting plate 110, a plurality of fixing seats 120 and a fixing plate 130. The mounting plate 110 is used to mount the female socket 220. The fixing base 120 is fixedly disposed on the mounting plate 110, the fixing bases 120 are distributed at two ends of the female base 220, and the fixing base 120 can be changed between a locking state and an unlocking state through elastic deformation. In fig. 1 and 2, the fixing base 120 is in a locked state. The fixing plate 130 is used to be in pressure contact with the male socket 210 to achieve the pressing of the male socket 210 and the female socket 220. When the fixing base 120 is in the locked state, the fixing base 120 serves to apply a force to the fixing plate 130 such that the fixing plate 130 is in pressure contact with the male socket 210. When the fixed seat 120 is in the unlocked state, the pressure between the fixed plate 130 and the male seat 210 can be released.
Meanwhile, embodiment 1 also discloses a mobile terminal, which includes the board-to-board connector assembly 10.
The invention realizes the press fit of the board to the board connector by using the principle of elastic deformation without influencing data and signal transmission; meanwhile, the steps of locking and loosening screws are omitted, the male seat can be easily assembled and disassembled, and the operation is convenient, trouble-saving and labor-saving.
Example 2
As shown in fig. 3-9, this embodiment 2 discloses a fixing device 100 for a board-to-board connector 200 and a board-to-board connector assembly 10. The board-to-board connector assembly 10 includes: a board-to-board connector 200 and the fixing device 100. In the present embodiment 2, the board-to-board connector assembly 10 further includes an FPC 300.
Specifically, as shown in fig. 3-5, the board-to-board connector 200 includes a male socket 210 and a female socket 220 that mate with each other. The fixing device 100 includes: a mounting plate 110, a plurality of fixing seats 120 and a fixing plate 130.
The mounting plate 110 is used to mount the female socket 220. The fixing base 120 is fixedly disposed on the mounting plate 110, and the fixing bases 120 are distributed at two ends of the female base 220. The fixing base 120 can be changed between a locking state and an unlocking state by elastic deformation. The fixing plate 130 is used to be in pressure contact with the male socket 210 to achieve the pressing of the male socket 210 and the female socket 220. When the fixing base 120 is in the locked state, the fixing base 120 serves to apply a force to the fixing plate 130 such that the fixing plate 130 is in pressure contact with the male socket 210. When the fixed seat 120 is in the unlocked state, the pressure between the fixed plate 130 and the male seat 210 can be released.
In this embodiment 2, the mounting board 110 is a PCB, and the fixing base 120 is mounted on the mounting board 110 in a patch manner. The male socket 210 is connected to the end of the FPC 300. The male socket 210 and the female socket 220 are provided with a plurality of terminals, and after the female socket 220 and the male socket 210 are assembled, the terminals are connected with each other, so that data and signal transmission can be realized.
The force applied by the fixing base 120 to the fixing plate 130 is a pressure. The direction of the pressure applied by the fixing base 120 to the fixing plate 130 is substantially the same as the direction of the pressure applied by the fixing plate 130 to the male base 210, so as to better prevent the fixing plate 130 from reversely loosening. As shown in fig. 4, the pressure exerted by the fixing plate 130 on the male socket 210 is substantially vertically downward, and the pressure exerted by the fixing base 120 on the fixing plate 130 is also substantially vertically downward.
As shown in fig. 3 to 5, both ends of the fixing plate 130 contacting the fixing base 120 extend over the edge of the female base 220. Thus, the mounting base 120 may be spaced from the female base 220 to avoid interference with the board-to-board connector 200.
In this embodiment, two ends of the female socket 220 are respectively provided with one fixing seat 120, and the left and right fixing seats 120 are symmetrical; in an alternative embodiment, both ends of the female seat may be respectively provided with a plurality of fixing seats, or respectively provided with one fixing seat and a plurality of fixing seats, which can achieve similar fixing effects.
In this embodiment, the fixing plate 130 is a flat plate; in an alternative embodiment, the fixing plate may also be a folded plate, for example, similar to the shape of a rectangular pulse in the middle, as long as both ends can be limited by the fixing seats, and the middle part can be in pressure contact with the male seat; in an alternative embodiment, the fixing plate may be a corrugated plate.
The structure of the fixing base 120 will be described in detail with reference to fig. 6 to 9, where the fixing base 120 shown in fig. 6 to 9 is the fixing base 120 at the left end in fig. 4. The holder 120 at the left end in fig. 4 is rotated 180 ° about the vertical axis, i.e. in accordance with the orientation of the holder 120 at the right end in fig. 4.
The holder 120 includes: a fixed body 121 and a spring plate 122. The fixing body 121 is fixedly disposed on the mounting plate 110. One end (upper end in the figure) of the spring piece 122 is fixedly arranged on the fixing body 121, and the joint of the spring piece 122 and the fixing body 121 can generate elastic deformation. The other end (lower end in the drawing) of the spring piece 122 is adapted to contact the fixed plate 130 to apply a pressure to the fixed plate 130 when the fixed base 120 is in the locked state. When the fixed seat 120 is in the locked state, the spring piece 122 is in surface contact with the fixed plate 130. Compared with point contact, line contact and the like, the device is more stable and is not easy to loosen.
From the locked state to the unlocked state, i.e., from the state shown in fig. 8 to the state shown in fig. 9, the angle of the spring piece 122 to the fixed body 121 preferably changes from 20 ° to 30 °. The elasticity is suitable and the fixation is reliable. If the angle is too small, the elasticity is too small, and the fixation is unreliable; if the angle is too large, the elasticity is too large, and the installation and the disassembly are laborious.
The fixing body 121 includes: bottom plate 1211, reed side plate 1212. As shown in fig. 6, the index line pointing to the bottom plate 1211 is also marked with reference numeral 121 in addition to the reference numeral 1211 because the bottom plate 1211 is a part of the fixing body 121, and the pointing bottom plate 1211 is also pointing to the fixing body 121; similar considerations apply if one of the other reference leads carries more than one reference numeral. The bottom plate 1211 is fixedly mounted on the mounting plate 110. The reed side plate 1212 is connected to the bottom plate 1211, the spring plate 122 is fixedly disposed on the reed side plate 1212, and a reed hole (see the reed hole in fig. 6 and 7) is formed in the reed side plate 1212 and is used for the spring plate 122 to pass through. From the state shown in fig. 8, the spring plate 122 rotates from the outside to the inside (i.e., rotates in the clockwise direction) and partially passes through the spring plate hole, and the state shown in fig. 9 is achieved. In addition, in this embodiment 2, the fixing body 121 further includes: top plate 1213, and a stop side plate 1214. One end of the top plate 1213 is connected to the reed side plate 1212, and the top plate 1213 is disposed opposite to the bottom plate 1211. One end of a stopper side plate 1214 is connected to the other end of top plate 1213, and stopper side plate 1214 is disposed opposite reed side plate 1212. In this embodiment 2, a certain gap is formed between the position-limiting side plate 1214 and the bottom plate 1211 for the purpose of easy processing. In an alternative embodiment, the limiting side plate preferably abuts against the bottom plate, so that the fixing body is more stable.
The spring piece 122 has: a first reed 1221, a second reed 1222. One end of the first spring 1221 is fixedly disposed on the fixing body 121, and a joint of the first spring 1221 and the fixing body 121 can elastically deform. The second spring 1222 is connected to the other end of the first spring 1221, the second spring 1222 is in surface contact with the fixing plate 130, and the angle between the second spring 1222 and the first spring 1221 is an acute angle.
In this embodiment 2, the initial state and the locked state of the spring piece 122 of the fixing seat 120 are relatively close, and the spring piece 122 is ejected relative to the fixing body 121; when the fixed base 120 is in the unlocked state, the spring piece 122 is substantially retracted into the fixed body 121. In an alternative embodiment, the spring plate 122 may also be ejected relative to the fixing body 121 when the fixing base 120 is in the unlocked state, but the ejected degree is weaker than that in the locked state.
Taking the orientation in fig. 4 as an example:
when the device is installed, the male socket 210 is connected to the female socket 220; then, the fixing plate 130 is pressed downwards, and the fixing plate 130 acts on the first springs 1221 of the left and right fixing seats 120, so that the two spring pieces 122 move towards the fixing body 121; thereafter, the fixing plate 130 continues to be pressed downward, and in this process, since the fixing plate 130 no longer acts on the first spring pieces 1221, the spring pieces 122 at both ends are restored to the pop-up state; finally, the fixing plate 130 is smoothly abutted against the male socket 210, and the second spring 1222 is also pressed against the fixing plate 130, and the fixing seat 120 is in the locking state, i.e. the state of fig. 3-5.
When the spring is detached, an external force acts on the first spring 1221 (for example, the first spring is lightly pressed by tweezers or hands), so that the fixing base 120 is in an unlocked state; then, the fixing plate 130 is moved upward and taken out; thereafter, the fixing base 120 is restored to the original state, but the second spring 1222 is spaced from the male socket 210, and the male socket 210 and the female socket 220 can be easily separated. Or, when detaching, an external force acts on the first spring 1221 (for example, by using tweezers or a hand to press lightly), so that the fixing base 120 is in an unlocked state; the fixing plate 130 is removed together with the male holder 210.
Above, connect firmly, installation, dismantlement are all very convenient simultaneously.
In addition, this embodiment 2 further discloses a mobile terminal, which includes the board-to-board connector assembly 10.
In describing the present invention, an embodiment may be provided with multiple figures, and reference numerals for like parts of the same embodiment are not necessarily shown in each figure; it will be appreciated by those skilled in the art that while one or more figures in an embodiment are described, they may be understood in conjunction with other figures in the embodiment; it will be understood by those skilled in the art that when no specific reference is made to which figure the text specifically corresponds, the text can be understood in conjunction with all of the figures in the embodiment.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (7)
1. A fixing device for a board-to-board connector comprising a male socket and a female socket that are adapted to each other, the fixing device comprising:
the mounting plate is used for mounting the female seat;
the fixing seats are fixedly arranged on the mounting plate, the fixing seats are distributed at two ends of the female seat, and the fixing seats can change between a locking state and an unlocking state through elastic deformation; and
the fixing plate is in pressure contact with the male seat to realize the pressing fit of the male seat and the female seat;
when the fixing seat is in a locked state, the fixing seat is used for applying pressure to the fixing plate so that the fixing plate is in pressure contact with the male seat, and when the fixing seat is in an unlocked state, the pressure between the fixing plate and the male seat can be released;
the fixing base includes:
the fixing body is fixedly arranged on the mounting plate; and
the spring piece is fixedly arranged on the fixing body at one end, the joint of the spring piece and the fixing body can generate elastic deformation, and when the fixing seat is in a locking state, the other end of the spring piece is used for being in contact with the fixing plate so as to apply pressure to the fixing plate;
when the fixed seat is in a locking state, the spring piece is in surface contact with the fixed plate;
the spring piece has:
one end of the first reed is fixedly arranged on the fixing body, and the joint of the first reed and the fixing body can elastically deform; and
the second reed is connected to the other end of the first reed, the second reed is in contact with the fixed plate surface, and an included angle between the second reed and the first reed is an acute angle.
2. The securing device according to claim 1, characterized in that the angle of the spring plate with respect to the securing body varies from 20 ° to 30 ° from the locked state to the unlocked state.
3. The fixture of claim 1, wherein the fixture body comprises:
the bottom plate is fixedly arranged on the mounting plate; and
the reed side plate is connected with the bottom plate, the spring piece is fixedly arranged on the reed side plate, and a reed hole is formed in the reed side plate and used for the spring piece to penetrate through.
4. The securing device of claim 3, wherein the securing body further comprises:
one end of the top plate is connected to the reed side plate, and the top plate and the bottom plate are arranged oppositely; and
one end of the limiting side plate is connected to the other end of the top plate, the limiting side plate and the reed side plate are arranged oppositely, and the limiting side plate is abutted to the bottom plate.
5. A mounting apparatus according to any one of claims 1 to 4, wherein both ends of the retaining plate in contact with the mounting socket extend beyond the edge of the female socket.
6. A board-to-board connector assembly, comprising: board-to-board connector and fixing device according to any of claims 1-5.
7. A mobile terminal characterized in that it comprises a board-to-board connector assembly according to claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710827128.9A CN107634392B (en) | 2017-09-14 | 2017-09-14 | Fixing device, board-to-board connector assembly and mobile terminal comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710827128.9A CN107634392B (en) | 2017-09-14 | 2017-09-14 | Fixing device, board-to-board connector assembly and mobile terminal comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107634392A CN107634392A (en) | 2018-01-26 |
| CN107634392B true CN107634392B (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710827128.9A Active CN107634392B (en) | 2017-09-14 | 2017-09-14 | Fixing device, board-to-board connector assembly and mobile terminal comprising same |
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| Country | Link |
|---|---|
| CN (1) | CN107634392B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101325302A (en) * | 2007-06-15 | 2008-12-17 | 三美电机株式会社 | Module connector |
| CN201966440U (en) * | 2010-12-07 | 2011-09-07 | 富士康(昆山)电脑接插件有限公司 | Electric connector assembly |
| CN202009133U (en) * | 2011-04-01 | 2011-10-12 | 广东欧珀电子工业有限公司 | Locking device of BTB (Board To Board) connector |
| CN202221848U (en) * | 2011-09-26 | 2012-05-16 | 东莞长安上角昱亿电子厂 | Plastic elastic plate locking electric connector male seat with protection structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904111A (en) * | 2011-07-29 | 2013-01-30 | 深圳富泰宏精密工业有限公司 | Electronic device and plug locking structure thereof |
-
2017
- 2017-09-14 CN CN201710827128.9A patent/CN107634392B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101325302A (en) * | 2007-06-15 | 2008-12-17 | 三美电机株式会社 | Module connector |
| CN201966440U (en) * | 2010-12-07 | 2011-09-07 | 富士康(昆山)电脑接插件有限公司 | Electric connector assembly |
| CN202009133U (en) * | 2011-04-01 | 2011-10-12 | 广东欧珀电子工业有限公司 | Locking device of BTB (Board To Board) connector |
| CN202221848U (en) * | 2011-09-26 | 2012-05-16 | 东莞长安上角昱亿电子厂 | Plastic elastic plate locking electric connector male seat with protection structure |
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|---|---|
| CN107634392A (en) | 2018-01-26 |
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