Flexible printed circuit (FPC) board port fixing structure
By designing a limit sleeve and adsorption structure on the FPC circuit board, the problem of automatic fixation during welding is solved, the structural strength is enhanced, and bending and breakage are prevented.
Patent Information
- Application Number
- CN202422365217.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-09-27
AI Technical Summary
Existing FPC circuit boards need to be manually fixed during soldering, which can easily cause solder deviation and breakage when bent.
An FPC board port fixing structure is designed, which includes the first and second limit sleeves and an adsorption structure. Automatic adsorption and fixation are achieved through pressing columns and piston grooves, and the sleeve is combined to prevent excessive bending.
It realizes automatic fixation during welding, avoids solder deviation, and enhances the structural strength of the FPC circuit board to prevent bending and breakage.
Smart Images
Figure CN223310002U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of FPC circuit boards, in particular to an FPC board port fixing structure. Background Art
[0002] The FPC circuit board is a flexible printed circuit board and is also a widely used circuit board. However, existing FPC circuit boards have certain drawbacks when used. Currently, when directly soldering the terminals on the FPC circuit board to the circuit board, to ensure that each pin is aligned for soldering, it is necessary to pre-apply flux to the terminals on the circuit board and then place the FPC circuit board terminals on the terminals on the circuit board. This method requires the operator to manually hold the FPC circuit board in place. If it shakes, the solder will easily shift, requiring removal and re-soldering, which is more troublesome. In addition, if the bends of the FPC circuit boards currently on the market are excessively bent during use, they are prone to breakage. Therefore, a structure for auxiliary fixing the terminals of the FPC board during soldering and a protective structure for the FPC board are provided to solve the above problems. Utility Model Content
[0003] In order to solve the problems in the above background technology, the technical solution adopted by the present invention to solve the technical problems is: an FPC board port fixing structure, which includes: an FPC circuit board main body, a wiring pin is provided at the end of the FPC circuit board main body, a first limiting sleeve is bonded to the outer sleeve of the end of the FPC circuit board main body close to the wiring pin, a second limiting sleeve is bonded to the outer sleeve of the end of the FPC circuit board main body away from the first limiting sleeve, a sheath is fitted on the outer side of the middle part of the FPC circuit board main body, and adsorption structures are provided at both ends of the first limiting sleeve and the second limiting sleeve.
[0004] As a preferred technical solution of the present invention, the first limiting sleeve and the second limiting sleeve are the same in size and shape, and the first limiting sleeve is an inverted concave-shaped structure.
[0005] As a preferred technical solution of the present invention, the first limiting sleeve and the second limiting sleeve are located on one side of the FPC circuit board body and are bonded with double-sided adhesive. The first limiting sleeve and the second limiting sleeve are both bonded to both ends of the FPC circuit board body through double-sided adhesive.
[0006] As an optimal technical solution of the present utility model, the adsorption structure includes a piston groove, a piston body, a pressing column, a spring, and an adsorption groove. The piston body is slidingly connected to the inside of the piston groove, the pressing column is fixedly connected to the top of the piston body, and the spring is arranged inside the piston groove and fits the lower end of the piston body. The bottom end of the first limit sleeve is facing the side of the piston groove to open an adsorption groove.
[0007] As a preferred technical solution of the present invention, the piston groove is opened inside the two ends of the first limiting sleeve, and a through opening is opened inside the adsorption groove on the side facing the piston groove, and the through opening connects the piston groove and the adsorption groove.
[0008] As a preferred technical solution of the present invention, a sealing ring is provided at the bottom end of the first limiting sleeve located outside the adsorption groove, and the sealing ring is made of rubber.
[0009] As a preferred technical solution of the present invention, the first limiting sleeve and the second limiting sleeve are both made of plastic material, the protective sleeve has a corrugated structure, and the protective sleeve is made of rubber material.
[0010] As a preferred technical solution of the present invention, a ventilation hole is opened on the outside of the sheath, and the number of the ventilation holes is set to be several. The sheath is provided with a threading port, and the sheath is sleeved on the outside of the FPC circuit board body through the threading port.
[0011] An FPC board protection structure is characterized by being formed by the adsorption structure or sheath as described above.
[0012] The utility model has the following advantages: the first limiting sleeve and the second limiting sleeve are respectively provided at the end of the FPC circuit board body. When the connection pins on the FPC circuit board body are soldered on other circuit boards, the connection pins can be adsorbed on the other circuit boards by pressing the pressing structures on the first limiting sleeve and the second limiting sleeve, thereby facilitating the operator to release the hand and observe whether the connection is in order. At the same time, the first limiting sleeve and the second limiting sleeve effectively strengthen the structural strength of the end of the FPC circuit board body, which not only facilitates the operator to hold the hand while wiring, but also prevents the end of the FPC circuit board body from splitting.
[0013] Moving the sheath on the FPC circuit board body to the position where it needs to be bent can effectively prevent the FPC circuit board body from being excessively bent and caused to break. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the overall structure of a preferred embodiment of the utility model;
[0015] Figure 2 This is a schematic cross-sectional view of the first limiting sleeve in a preferred embodiment of the present utility model;
[0016] Figure 3 This is a preferred embodiment of the utility model Figure 2 Enlarged schematic diagram of structure A;
[0017] Figure 4 It is a schematic diagram of the cross-sectional structure of the sheath of the preferred embodiment of the present utility model.
[0018] Explanation of the accompanying symbols: 1. FPC circuit board body; 2. Wiring pin; 3. First limiting sleeve; 4. Second limiting sleeve; 5. Sheath; 6. Double-sided adhesive; 7. Piston groove; 8. Piston body; 9. Pressing column; 10. Spring; 11. Through port; 12. Adsorption groove; 13. Sealing ring; 14. Vent; 15. Threading port. DETAILED DESCRIPTION
[0019] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. In the description of the present invention, it should be noted that the terms "center," "up," "down," "left," "right," "vertical," "horizontal," "inside," "outside," and the like, indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended only to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present invention. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0020] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.
[0021] The present invention will be further described below with reference to the accompanying drawings.
[0022] Please refer to Figures 1-4 The utility model provides an FPC board port fixing structure, comprising: an FPC circuit board body 1, a wiring pin 2 is provided at the end of the FPC circuit board body 1, a first limiting sleeve 3 is bonded to the outer sleeve of the end of the FPC circuit board body 1 close to the wiring pin 2, a second limiting sleeve 4 is bonded to the outer sleeve of the end of the FPC circuit board body 1 away from the first limiting sleeve 3, a sheath 5 is fitted on the outer side of the middle part of the FPC circuit board body 1, and adsorption structures are provided at both ends of the first limiting sleeve 3 and the second limiting sleeve 4.
[0023] Combine Figure 1 and Figure 2As shown, the first limiting sleeve 3 and the second limiting sleeve 4 are of the same size and shape, the first limiting sleeve 3 is an inverted concave structure, the first limiting sleeve 3 and the second limiting sleeve 4 are located on one side of the FPC circuit board body 1 and are bonded with double-sided adhesive 6, and then the first limiting sleeve 3 and the second limiting sleeve 4 are bonded to both ends of the FPC circuit board body 1 through the double-sided adhesive 6, the bottom end of the first limiting sleeve 3 is located outside the adsorption groove 12 and is provided with a sealing ring 13, the sealing ring 13 is made of rubber, and it is easier to fit on the surface of the circuit board through the sealing ring 13, the first limiting sleeve 3 and the second limiting sleeve 4 are both made of plastic, combined with Figure 4 As shown, the sheath 5 is a corrugated structure, which facilitates the bending of the sheath 5, and the sheath 5 is made of rubber. A vent hole 14 is provided on the outside of the sheath 5, and there are several vent holes 14. The sheath 5 is provided with a threading port 15, and the sheath 5 is sleeved on the outside of the FPC circuit board body 1 through the threading port 15.
[0024] Combine Figure 3 As shown, the adsorption structure includes a piston groove 7, a piston body 8, a pressing column 9, a spring 10, and an adsorption groove 12. The piston body 8 is slidingly connected to the inside of the piston groove 7, the pressing column 9 is fixedly connected to the top of the piston body 8, and the spring 10 is arranged inside the piston groove 7 to fit the lower end of the piston body 8. The adsorption groove 12 is opened at the bottom end of the first limiting sleeve 3 on the side facing the piston groove 7. The piston groove 7 is opened inside the two ends of the first limiting sleeve 3, and a through port 11 is opened inside the adsorption groove 12 on the side facing the piston groove 7. The through port 11 connects the piston groove 7 and the adsorption groove 12.
[0025] Specifically, according to the present invention, when the wiring pins 2 on the FPC circuit board main body 1 need to be soldered to the circuit board connection end, one end of the wiring pins 2 of the FPC circuit board main body 1 can be aligned and placed on the circuit board connection end. After alignment, the pressing column 9 can be directly pressed downward, and then the pressing column 9 presses the piston body 8 downward to squeeze the air in the piston groove 7. After pressing to the bottom, stop pressing, and the piston body 8 can be moved upward under the upward elastic force of the spring 10, thereby making the piston groove 7 and the adsorption groove 12 negative pressure, and then the adsorption groove 12 can be adsorbed on the circuit board through the sealing ring 13, which makes it convenient for the operator to let go and observe whether it is regular. If it is regular, the wiring pins 2 can be directly soldered to the circuit board. When the FPC circuit board main body 1 needs to be bent after it is soldered to the circuit board, the sheath 5 on the FPC circuit board main body 1 can be moved to the position where it needs to be bent, and then the sheath 5 can effectively prevent the FPC circuit board main body 1 from being excessively bent and caused to break.
[0026] A protective structure for an FPC board is formed by the adsorption structure or the sheath as described above.
[0027] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.
[0028] Other parts of the present invention that are not described in detail belong to the prior art and will not be described in detail here.
[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.
Claims
1. An FPC board port fixing structure, comprising an FPC circuit board body (1), characterized in that: The end of the FPC circuit board body (1) is provided with a connection pin (2); the outer sleeve of one end of the FPC circuit board body (1) close to the connection pin (2) is bonded with a first limiting sleeve (3); the outer sleeve of one end of the FPC circuit board body (1) away from the first limiting sleeve (3) is bonded with a second limiting sleeve (4); the outer side of the middle of the FPC circuit board body (1) is fitted with a protective sleeve (5); and both ends of the first limiting sleeve (3) and the second limiting sleeve (4) are provided with adsorption structures.
2. The FPC board port fixing structure according to claim 1, characterized in that: The first limiting sleeve (3) and the second limiting sleeve (4) have the same size and shape, and the first limiting sleeve (3) is an inverted concave-shaped structure.
3. The FPC board port fixing structure according to claim 1, wherein: The first limiting sleeve (3) and the second limiting sleeve (4) are located on one side of the FPC circuit board body (1) and are bonded with double-sided adhesive (6). The first limiting sleeve (3) and the second limiting sleeve (4) are both bonded to both ends of the FPC circuit board body (1) via the double-sided adhesive (6).
4. The FPC board port fixing structure according to claim 1, wherein: The adsorption structure comprises a piston groove (7), a piston body (8), a pressing column (9), a spring (10), and an adsorption groove (12). The piston body (8) is slidably connected to the inside of the piston groove (7). The pressing column (9) is fixedly connected to the top of the piston body (8). The spring (10) is arranged inside the piston groove (7) and is in contact with the lower end of the piston body (8). The adsorption groove (12) is provided at the bottom end of the first limiting sleeve (3) facing the side of the piston groove (7).
5. The FPC board port fixing structure according to claim 4, characterized in that: The piston groove (7) is provided inside both ends of the first limiting sleeve (3), and a through opening (11) is provided inside the adsorption groove (12) on a side facing the piston groove (7), and the through opening (11) connects the piston groove (7) and the adsorption groove (12).
6. The FPC board port fixing structure according to claim 1, characterized in that: A sealing ring (13) is provided at the bottom end of the first limiting sleeve (3) outside the adsorption groove (12), and the sealing ring (13) is made of rubber.
7. The FPC board port fixing structure according to claim 1, characterized in that: The first limiting sleeve (3) and the second limiting sleeve (4) are both made of plastic material, the protective sleeve (5) is a corrugated structure, and the protective sleeve (5) is made of rubber material.
8. The FPC board port fixing structure according to claim 1, wherein: The outer side of the sheath (5) is provided with ventilation holes (14), and the number of ventilation holes (14) is set to be several. The sheath (5) is provided with a threading port (15), and the sheath (5) is sleeved on the outer side of the FPC circuit board body (1) through the threading port (15).