CN217608136U - Flat cable tension maintaining device and electronic device - Google Patents
Flat cable tension maintaining device and electronic device Download PDFInfo
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- CN217608136U CN217608136U CN202221643176.5U CN202221643176U CN217608136U CN 217608136 U CN217608136 U CN 217608136U CN 202221643176 U CN202221643176 U CN 202221643176U CN 217608136 U CN217608136 U CN 217608136U
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- circuit board
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Abstract
A flat cable tension keeping device is suitable for being arranged on an electronic device, wherein the electronic device is provided with a first body, a second body which is rotatably arranged on the first body, and a flexible circuit board which extends from the inside of the first body to the inside of the second body. The flat cable tension maintaining device comprises a base unit and a sliding unit. The base unit comprises a base, and the base is provided with a first surface and a second surface opposite to the first surface. The sliding unit is arranged on the base and comprises a sliding block which can be movably arranged on the base along the front-back direction and two elastic pieces which are arranged between the base and the sliding block, the flexible circuit board surrounds the first surface, the sliding block and the second surface, when the flexible circuit board is pulled by the second body, the flexible circuit board drives the sliding block to move towards the base, and the elastic restoring force of the elastic pieces can continuously push the sliding block to abut against the flexible circuit board so as to keep the tension of the flexible circuit board.
Description
Technical Field
The utility model relates to a tension retaining device especially relates to a winding displacement tension retaining device.
Background
Generally, internal circuits of a portion of an electronic device (such as a notebook computer) must extend from one body to another body, which, however, is prone to cause a problem that the internal circuits are exposed from a gap between the two bodies. The existing solution is to use the flexible circuit board to complete the wiring, thus saving the space occupied by the wire diameter of the general circuit, and the shielding roller shutter of the roller shutter module shields the flexible circuit board in the gap between the first body and the second body, thus saving the space occupied by the hinge for the general circuit to pass through, and further reducing the thickness of the first body and the second body of the electronic device. However, the roller shutter module has a complicated structure, a poor assembly yield, and a special material for the shaft and the roller shutter cloth, which results in high cost, and thus there is room for improvement.
Disclosure of Invention
One of the objects of the present invention is to provide a flat cable tension maintaining device capable of solving at least one of the above problems.
The utility model discloses winding displacement tension keeping device is applicable to and sets up at electron device, and this electron device has first organism, rotationally sets up in the second organism of this first organism to and extend to the flexible circuit board of the inside of this second organism from the inside of this first organism. The flat cable tension maintaining device comprises a base unit, a tension maintaining unit and a tension maintaining unit, wherein the base unit comprises a base, and the base is provided with at least one first surface and at least one second surface opposite to the first surface; and the sliding unit is arranged on the base and comprises at least one sliding block which can be movably arranged on the base along the front-back direction and extends along the left-right direction vertical to the front-back direction and at least two elastic pieces arranged between the base and the sliding block, the flexible circuit board surrounds the first surface, the sliding block and the second surface, when the flexible circuit board is pulled by the second machine body, the flexible circuit board drives the sliding block to move towards the base, and the elastic restoring force of the elastic pieces can continuously push the sliding block to abut against the flexible circuit board so as to keep the tension of the flexible circuit board.
Winding displacement tension holding device, this base have two at least spouts that extend along this fore-and-aft direction, this sliding block has the portion of supporting and two sliding parts of connecting this portion of supporting left and right sides respectively that push away that are applicable to this flexible circuit board of butt, sliding part movably holding respectively in the spout, the elastic component is located respectively in the spout and connect sliding part.
Winding displacement tension holding device, this base still have middle piece, two connect respectively this middle piece left and right sides's connecting plate and two are connected respectively the connecting plate and respectively with this middle piece spaced side joint piece, this base has four spouts, wherein two spouts form respectively in the side joint piece, wherein two other are formed in this middle piece and separate each other, each connecting plate has this first face and this second face, this slip unit includes that two are located this middle piece respectively and sliding block and four elastic component between the side joint piece, this winding displacement tension holding device is applicable to and supplies two flexible circuit board to set up around ground.
Winding displacement tension holding device, this base unit still include four insert respectively locate this middle piece and the side connects the piece and corresponds and stretches into the stop piece of spout is used for preventing the sliding block breaks away from the spout.
Winding displacement tension holding device, this base unit still include two set up respectively in the second face and the butt of connecting plate flexible circuit board's wear pad.
Winding displacement tension retaining device, this base unit still include two set up respectively in the first face of connecting plate and contact flexible circuit board's cushion.
Winding displacement tension holding device, each sliding block still have two respectively certainly sliding part extends the confession along this fore-and-aft direction the extension column part that the elastic component cover was established.
Another object of the present invention is to provide an electronic device having the above-mentioned flat cable tension maintaining device.
The utility model discloses an electronic device comprises a first body; the second machine body is rotatably arranged on the first machine body; a flexible circuit board extending from the inside of the first body to the inside of the second body; and the winding displacement tension keeping device comprises a base unit and a sliding unit, wherein the base unit comprises a base, the base is provided with at least one first surface and at least one second surface opposite to the first surface, the sliding unit is arranged on the base and comprises at least one sliding block which can be movably arranged on the base along the front-back direction and extends along the left-right direction vertical to the front-back direction and at least two elastic pieces arranged between the base and the sliding block, the flexible circuit board surrounds the first surface, the sliding block and the second surface, when the flexible circuit board is pulled by the second machine body, the sliding block is driven to move towards the base, and the elastic restoring force of the elastic pieces can jointly and continuously push the sliding block to abut against the flexible circuit board so as to keep the tension of the flexible circuit board.
Electronic device, this base have two at least spouts that extend along this fore-and-aft direction, this sliding block has the portion of supporting and two sliding parts of connecting this portion of supporting left and right sides respectively that push away that are applicable to this flexible circuit board of butt, sliding part movably holding respectively in the spout, the elastic component is located respectively the spout is interior and connect sliding part.
Electronic device, this base still have middle piece, two connect respectively this middle piece left and right sides's connecting plate and two connect respectively the connecting plate and respectively with this middle piece spaced side joint piece, this base has four spouts, wherein two spouts form respectively in the side joint piece, wherein two other are formed at this middle piece and separate each other, and each connecting plate has this first face and this second face, and this sliding element includes that two are located this middle piece respectively and slide block and four elastic component between the side joint piece, this winding displacement tension holding device is applicable to and supplies two flexible circuit board to set up around ground.
Electronic device, this base unit still include four insert respectively locate this middle piece and the side connects piece and corresponds and stretches into the stop piece of spout is used for preventing the sliding block breaks away from the spout.
Electronic device, this base unit still include two set up respectively in the second face and the butt of connecting plate flexible circuit board's wear pad.
Electronic device, this base unit still include two set up respectively in the first face and the contact of connecting plate the cushion of flexible circuit board.
Electronic device, each sliding block still have two respectively certainly sliding part extends the confession along this fore-and-aft direction the extension column part that the elastic component cover was established.
The beneficial effects of the utility model reside in that: the sliding block through the sliding unit can be movably arranged on the base, when the flexible circuit board is pulled by the second machine body, the sliding block is driven to move towards the base, and the elastic restoring force of the elastic piece can continuously push the sliding block to abut against the flexible circuit board so as to keep the tension of the flexible circuit board. The winding displacement tension keeping device has simple structure and less parts, can provide the tension required by the flexible circuit board for resetting, is easy to assemble, can reduce the cost compared with the conventional roller shutter device, and saves expensive roller shutter cloth materials.
Drawings
Fig. 1 is a perspective view of a first embodiment of an electronic device according to the present invention;
fig. 2 is a perspective view of the flat cable tension maintaining device and the flexible circuit board according to the first embodiment;
fig. 3 is a perspective view of the flat cable tension maintaining device of the first embodiment;
fig. 4 is an exploded perspective view of the flat cable tension maintaining device of the first embodiment;
fig. 5 is a fragmentary cross-sectional view taken along section line V-V of fig. 1, illustrating the second body in the retracted position;
FIG. 6 is a fragmentary cross-sectional view similar to FIG. 5, illustrating the second body between a retracted position and an open position;
FIG. 7 is a fragmentary cross-sectional view similar to FIG. 5 illustrating the second body in the open position; and
fig. 8 is a perspective view of a flat cable tension maintaining device according to a second embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Referring to fig. 1 to fig. 3, a first embodiment of the electronic device 100 of the present invention includes a first body 1, a second body 2, two Flexible Printed Circuits (FPCs) 3 and a wire tension maintaining device 10. The electronic device 100 is a notebook computer in the embodiment, but the electronic device 100 may also be a foldable mobile phone, a foldable tablet computer or other foldable electronic devices, for example. In addition, in other implementation forms, the number of the flexible circuit boards 3 may be only one, and at least one of the flexible circuit boards is required, which is not limited to the embodiment.
In the present embodiment, a notebook computer is taken as an example, the first body 1 is a portion for installing a keyboard, and the second body 2 is a portion for installing a screen, and is installed on the first body 1 and can rotate between a closed position (see fig. 5) and an open position (see fig. 7) relative to the first body 1, for example, the second body 2 can be rotatably installed on the first body 1 through a hinge (not shown).
The flexible circuit board 3 extends from the inside of the first body 1 to the inside of the second body 2, a plurality of electronic components (not shown) are respectively disposed inside the first body 1 and inside the second body 2, and the flexible circuit board 3 is mechanically and electrically connected between the electronic components inside the first body 1 and the electronic components inside the second body 2. By using the thin flexible circuit board 3 to complete wiring, the space occupied by the wire diameter of the common line can be saved.
Referring to fig. 2 to 4, the flat cable tension maintaining device 10 includes a base unit 4 and a sliding unit 5. The base unit 4 includes a base 41, four stoppers 42 respectively disposed on the base 41, two wear-resistant plates 43 respectively disposed on the base 41 and abutting against the flexible circuit board 3, and two soft pads 44 respectively disposed on the base 41 and contacting the flexible circuit board 3. The base 41 has a middle block 411 extending along a front-rear direction D1, two connecting plates 412 respectively connected to left and right sides of the middle block 411 and extending along a left-right direction D2 perpendicular to the front-rear direction D1, two side blocks 413 respectively connected to the connecting plates 412 and spaced from the middle block 411, and four sliding grooves 414 respectively formed in the middle block 411 and the side blocks 413. Each connecting plate 412 has an upper first face 412a and a lower second face 412b opposite to the first face 412 a. Two sliding grooves 414 are formed in the side connection blocks 413, and the other two sliding grooves are formed in the middle block 411 and spaced from each other. The stopper 42 is inserted into the middle block 411 and the side connecting block 413 along a vertical direction D3 perpendicular to the front-back direction D1 and the left-right direction D2, and correspondingly extends into the sliding groove 414. The wear-resistant sheet 43 is inserted into the second surface 412b of the connecting plate 412 by two convex columns, and the surface of the wear-resistant sheet 43 abutting against the flexible circuit board 3 is arc-shaped, so that the friction force between the wear-resistant sheet 43 and the flexible circuit board 3 can be reduced, the flexible circuit board 3 is prevented from being damaged due to friction, and the service life of the flexible circuit board 3 can be prolonged. The soft pads 44, which may be, for example, sponges, are respectively disposed on the first surfaces 412a of the connection plates 412, so as to prevent the flexible circuit board 3 from being damaged due to friction and increasing the service life.
The sliding unit 5 is disposed on the base 41, and includes two sliding blocks 51 movably disposed on the base 41 along the front-back direction D1 and extending along the left-right direction D2, and four elastic members 52 disposed between the base 41 and the sliding blocks 51 and located in the sliding slots 414. The flexible circuit board 3 surrounds the first surface 412a, the slide block 51, and the second surface 412b, respectively. Each sliding block 51 has a pushing portion 511 adapted to abut against the flexible circuit board 3, two sliding portions 512 respectively connected to the left and right sides of the pushing portion 511, and two extending column portions 513 respectively extending from the sliding portions 512 along the front-back direction D1 for the elastic member 52 to be sleeved. The surface of the abutting part 511 abutting against the flexible circuit board 3 is arc-shaped, so that the friction force between the two parts can be reduced, and the flexible circuit board 3 is prevented from being damaged due to friction to prolong the service life. The sliding portions 512 are movably received in the sliding slots 414, respectively. The distance between the sliding block 51 and the connecting plate 412 needs to be greater than 4mm, otherwise the sliding block 51 is stopped by the connecting plate 412 during the moving process and cannot move any further. The stopper 42, which can be a rivet, is inserted into one end of the middle block 411 and the side connecting block 413 away from the connecting plate 412 to prevent the sliding portion 512 of the sliding block 51 from separating from the sliding groove 414. The elastic elements 52, which may be, for example, cylindrical springs, are respectively sleeved on the extending column portions 513 and abut against the sliding portions 512, and the elastic elements 52 can jointly push the sliding blocks 51 to abut against the flexible circuit board 3.
In other embodiments, the middle block 411 of the base unit 4 can be omitted, and the number of the connecting plates 412, the sliding grooves 414, the stoppers 42, the wear-resistant pieces 43, the soft pads 44, the sliding blocks 51, and the elastic pieces 52 is half of that of the present embodiment, that is, the connecting plates 412 are respectively connected with the side blocks 413, and only one flexible circuit board 3 is surrounded on the base 41.
Referring to fig. 2, 5 to 7, when a user wants to use the electronic device 100, the second body 2 is pushed to move from the closed position to the open position, the flexible circuit board 3 is pulled by the second body 2, and the sliding block 51 is driven to move toward the base 41, at this time, the elastic member 52 generates elastic restoring force to push the sliding block 51 together, the sliding block 51 is abutted against the flexible circuit board 3 respectively, so as to maintain the tension of the flexible circuit board 3, the flexible circuit board 3 cannot be squeezed and can be smoothly returned in the process of moving the second body 2 from the open position to the closed position after use, and the flexible circuit board 3 can be effectively prevented from being damaged due to squeezing deformation. The utility model discloses winding displacement tension retaining device 10's simple structure, part are small in quantity, can provide the required tension that flexible circuit board 3 resets equally, and the equipment is compared easily in the roll curtain device that knows can reduce cost, has saved the roll curtain cloth material that the price is expensive.
Referring to fig. 8, a second embodiment of the flat cable tension maintaining device 10' of the present invention is similar to the first embodiment, except that the middle block 411 of the base unit 4 is omitted, and the number of the connecting plates 412, the sliding grooves 414, the stoppers 42, the wear-resistant pieces 43, the soft pads 44, the sliding blocks 51 and the elastic pieces 52 is half of the number of the first embodiment, the connecting plates 412 are respectively connected to the side connection blocks 413, and the base 41 is surrounded by only one flexible circuit board 3.
To sum up, the utility model discloses winding displacement tension retaining device 10, 10' borrow and set up in this base 41 by this sliding block 51 of sliding element 5 can move about, when this flexible circuit board 3 received the pulling of this second organism 2, will drive this sliding block 51 and remove towards this base 41, the elastic restoring force of elastic component 52 can continuously promote this sliding block 51 butt in this flexible circuit board 3 in order to keep the tension of this flexible circuit board 3 jointly. The flat cable tension keeping device 10 has a simple structure and a small number of parts, and can provide the tension required for the flexible circuit board 3 to reset, and the assembly is easy to reduce the cost compared with the conventional roller blind device, and the expensive roller blind cloth material is saved, so the purpose of the cost utility model can be achieved.
However, the above description is only an example of the present invention, and the scope of the present invention should not be limited thereto, and all the simple equivalent changes and modifications made according to the claims and the contents of the specification should be included in the scope of the present invention.
Claims (14)
1. A winding displacement tension keeping device is suitable for being arranged on an electronic device, and the electronic device is provided with a first machine body, a second machine body which is rotatably arranged on the first machine body, and a flexible circuit board which extends from the inside of the first machine body to the inside of the second machine body; the method is characterized in that: the flat cable tension maintaining device comprises:
the base unit comprises a base, wherein the base is provided with at least one first surface and at least one second surface opposite to the first surface; and
the sliding unit is arranged on the base and comprises at least one sliding block which can be movably arranged on the base along the front-back direction and extends along the left-right direction vertical to the front-back direction and at least two elastic pieces arranged between the base and the sliding block, the flexible circuit board surrounds the first surface, the sliding block and the second surface, when the flexible circuit board is pulled by the second machine body, the sliding block is driven to move towards the base, and the elastic restoring force of the elastic pieces can continuously push the sliding block to abut against the flexible circuit board so as to keep the tension of the flexible circuit board.
2. The ribbon cable tension maintaining device of claim 1, wherein: the base is provided with at least two sliding grooves extending along the front and back directions, the sliding block is provided with a pushing and supporting part suitable for being abutted against the flexible circuit board and two sliding parts respectively connected with the left side and the right side of the pushing and supporting part, the sliding parts are movably contained in the sliding grooves respectively, and the elastic pieces are located in the sliding grooves respectively and connected with the sliding parts.
3. The traverse tension maintaining apparatus of claim 2, wherein: the base is further provided with a middle block, two connecting plates respectively connected with the left side and the right side of the middle block and two side connecting blocks respectively connected with the connecting plates and respectively spaced from the middle block, the base is provided with four sliding grooves, wherein the two sliding grooves are respectively formed in the side connecting blocks, the other two connecting plates are formed in the middle block and are spaced from each other, each connecting plate is provided with a first surface and a second surface, each sliding unit comprises two sliding blocks respectively positioned between the middle block and the side connecting blocks and four elastic pieces, and the flat cable tension keeping device is suitable for being used for two flexible circuit boards to be arranged in a surrounding mode.
4. A flat cable tension maintaining device as claimed in claim 3, wherein: the base unit also comprises four stopping pieces which are respectively inserted in the middle block and the side connecting block and correspondingly extend into the sliding groove, and the stopping pieces are used for preventing the sliding block from separating from the sliding groove.
5. The traverse tension maintaining apparatus as set forth in claim 3, wherein: the base unit further comprises two wear-resistant sheets which are respectively arranged on the second surface of the connecting plate and are abutted to the flexible circuit board.
6. A flat cable tension maintaining device as claimed in claim 3, wherein: the base unit further comprises two soft pads which are respectively arranged on the first surface of the connecting plate and are in contact with the flexible circuit board.
7. The ribbon cable tension maintaining apparatus of claim 2, wherein: each sliding block is also provided with two extending column parts which respectively extend from the sliding part along the front and back directions and are used for the elastic part to be sleeved.
8. An electronic device, comprising: the electronic device includes:
a first body;
the second machine body is rotatably arranged on the first machine body;
a flexible circuit board extending from the inside of the first body to the inside of the second body; and
the winding displacement tension keeping device comprises a base unit and a sliding unit, wherein the base unit comprises a base, the base is provided with at least one first surface and at least one second surface opposite to the first surface, the sliding unit is arranged on the base and comprises at least one sliding block which can be movably arranged on the base along the front-back direction and extends along the left-right direction perpendicular to the front-back direction, and at least two elastic pieces arranged between the base and the sliding block, the flexible circuit board surrounds the first surface, the sliding block and the second surface, when the flexible circuit board is pulled by the second machine body, the sliding block is driven to move towards the base, and the elastic restoring force of the elastic pieces can jointly and continuously push the sliding block to abut against the flexible circuit board so as to keep the tension of the flexible circuit board.
9. The electronic device of claim 8, wherein: the base is provided with at least two sliding grooves extending along the front and back directions, the sliding block is provided with a pushing and supporting part suitable for being abutted against the flexible circuit board and two sliding parts respectively connected with the left side and the right side of the pushing and supporting part, the sliding parts are movably contained in the sliding grooves respectively, and the elastic pieces are located in the sliding grooves respectively and connected with the sliding parts.
10. The electronic device of claim 9, wherein: the base is further provided with a middle block, two connecting plates respectively connected with the left side and the right side of the middle block and two side connecting blocks respectively connected with the connecting plates and respectively spaced from the middle block, the base is provided with four sliding grooves, wherein the two sliding grooves are respectively formed in the side connecting blocks, the other two connecting plates are formed in the middle block and are spaced from each other, each connecting plate is provided with a first surface and a second surface, each sliding unit comprises two sliding blocks respectively positioned between the middle block and the side connecting blocks and four elastic pieces, and the flat cable tension keeping device is suitable for being used for two flexible circuit boards to be arranged in a surrounding mode.
11. The electronic device of claim 10, wherein: the base unit also comprises four stopping pieces which are respectively inserted in the middle block and the side connecting block and correspondingly extend into the sliding groove, and the stopping pieces are used for preventing the sliding block from separating from the sliding groove.
12. The electronic device of claim 10, wherein: the base unit further comprises two wear-resistant pieces which are arranged on the second surface of the connecting plate respectively and are abutted to the flexible circuit board.
13. The electronic device of claim 10, wherein: the base unit further comprises two soft pads which are respectively arranged on the first surfaces of the connecting plates and are in contact with the flexible circuit board.
14. The electronic device of claim 9, wherein: each sliding block is also provided with two extending column parts which respectively extend from the sliding part along the front and back directions and are used for the elastic part to be sleeved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221643176.5U CN217608136U (en) | 2022-06-29 | 2022-06-29 | Flat cable tension maintaining device and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221643176.5U CN217608136U (en) | 2022-06-29 | 2022-06-29 | Flat cable tension maintaining device and electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217608136U true CN217608136U (en) | 2022-10-18 |
Family
ID=83589569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221643176.5U Active CN217608136U (en) | 2022-06-29 | 2022-06-29 | Flat cable tension maintaining device and electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217608136U (en) |
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2022
- 2022-06-29 CN CN202221643176.5U patent/CN217608136U/en active Active
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