CN109887781B - Sensing component connection structure - Google Patents
Sensing component connection structure Download PDFInfo
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- CN109887781B CN109887781B CN201910271885.1A CN201910271885A CN109887781B CN 109887781 B CN109887781 B CN 109887781B CN 201910271885 A CN201910271885 A CN 201910271885A CN 109887781 B CN109887781 B CN 109887781B
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Abstract
The invention discloses a sensing component connecting structure, which comprises: the light-transmitting component comprises a component body, a light-transmitting insert and a to-be-connected piece, wherein the component body is fixedly connected with the light-transmitting insert, a cavity used for accommodating the light-transmitting insert is arranged on the to-be-connected piece, a gap used for accommodating light-curing glue is arranged between the light-transmitting insert and the cavity, and the light-transmitting insert irradiates the light-curing glue to be solidified through light so that the component body is connected with the to-be-connected piece through the light-transmitting insert. Compared with the traditional connection mode, the structure or the dimensional precision or the material requirement of the matched parts is not required to be excessively complicated; in addition, the gap between the light-transmitting insert and the to-be-connected piece can be used as the function of size accumulated tolerance of other parts; in addition, the glue injection and curing process can be completed through non-contact operation, and the operation is simple and convenient for automatic operation; the corresponding connecting piece is not extruded, and the deformation of the corresponding connecting piece is not caused.
Description
Technical Field
The invention relates to the technical field of electrical components, in particular to a connecting structure of a sensing component.
Background
With the development of the automobile industry, part of automobile interior electrical switches and control switches begin to apply the vibration touch technology, and internal force sensors or vibration components thereof need to be integrated inside products.
At present, an elastic or damping element is generally connected with other parts by screws or buckles, or a barb structure is designed on the elastic element and connected with other parts, but the connection mode has the following problems:
1. the installation process is complicated, for example, the number of screws is large, and a large number of screws need to be fastened at different positions repeatedly;
2. some additional internal stress can be applied to other components in the installation process, for example, the sheet metal part with the barb structure can extrude and deform the accessory so as to achieve the connection purpose;
3. irreversible deformation is caused to other parts, for example, a large friction torque is inevitably generated to all connected parts in the screw assembling process, and sensitive components are slightly deformed after being fastened;
4. complex and precise structures are needed for matching parts, for example, a screw column needs precise inner hole size and large wall thickness, and high requirements are imposed on the structure of an appearance part and the design of a die;
5. the spacing and positioning structures involved in the fastening portion are rigid and cannot be designed at the same time when other accumulated tolerances need to be accommodated for the fitting.
Therefore, how to provide a connection structure of a sensing component with a simple structure to avoid additional stress or deformation caused by the assembly process and to accommodate a certain product accumulated tolerance is a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
Accordingly, the present invention is directed to a sensor component connection structure, which can avoid additional stress or deformation caused by the assembly process and can accommodate a certain product tolerance stack-up.
In order to achieve the purpose, the invention provides the following technical scheme:
a sensor component connection structure comprising: the light-transmitting component comprises a component body, a light-transmitting insert and a connecting piece, wherein the component body is fixedly connected with the light-transmitting insert, a cavity for accommodating the light-transmitting insert is arranged on the connecting piece, a gap for accommodating light-curing glue is formed between the light-transmitting insert and the cavity, the light-transmitting insert irradiates the light-curing glue after solidification, so that the component body passes through the light-transmitting insert and the connecting piece is connected.
Preferably, a glue flow channel for adding the light curing glue is arranged on the light-transmitting insert, and the glue flow channel is communicated with a gap between the light-transmitting insert and the cavity.
Preferably, a light reflecting surface used for reflecting light rays to the light curing glue is arranged inside the light transmitting insert or on the component body.
Preferably, a diversion trench for guiding the circulation of the light-curing glue is arranged on the outer side wall of the light-transmitting insert.
Preferably, the diversion trench comprises a diversion trench groove and a diversion straight groove which are arranged along the outer side wall of the light-transmitting insert.
Preferably, the light-transmitting insert is a transparent plastic piece integrally injection-molded with the component body.
Preferably, the light-transmitting insert is of a wedge-shaped structure, and a grid for guiding the circulation of the light curing glue is arranged on the light-transmitting insert in a direction perpendicular to a wedge-shaped inclined plane of the light-transmitting insert.
Preferably, a light scattering surface used for scattering light rays to the light curing glue is arranged on the light transmitting insert.
Compared with the prior art, the technical scheme has the following advantages:
the invention provides a sensing component connection structure, which comprises: the light-transmitting component comprises a component body, a light-transmitting insert and a to-be-connected piece, wherein the component body is fixedly connected with the light-transmitting insert, a cavity used for accommodating the light-transmitting insert is arranged on the to-be-connected piece, a gap used for accommodating light-curing glue is arranged between the light-transmitting insert and the cavity, and the light-transmitting insert irradiates the light-curing glue to be solidified through light so that the component body is connected with the to-be-connected piece through the light-transmitting insert. Compared with the traditional connection mode, the structure, the dimensional precision or the material requirement of the parts are not required to be excessively complicated, and the risks of breakage of a screw column after screw connection and the like caused by small screw holes or poor materials are avoided; in addition, the gap between the light-transmitting insert and the to-be-connected piece can be used as the function of size accumulation tolerance of other parts, so that the high-precision component is not influenced when the sizes of the related parts fluctuate within the tolerance; in addition, the glue injection and curing process can be completed through non-contact operation, and the operation is simple and convenient for automatic operation; the glue curing process is the conversion from liquid state to solid state of the glue, and the corresponding connecting piece is not extruded, so that the deformation of the corresponding connecting piece is not caused.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic perspective view of a component body and a light-transmitting insert according to an embodiment of the present invention;
FIG. 2 is a front cross-sectional view of FIG. 1;
fig. 3 is a schematic cross-sectional view of a connection structure of a sensing component according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a glue flow channel formed on a light-transmitting insert according to an embodiment of the present invention;
FIG. 5 is a schematic front view of a light-transmissive insert having a wedge-shaped configuration according to an embodiment of the present invention;
FIG. 6 is a side view of FIG. 5;
FIG. 7 is a schematic structural view of the light-transmitting insert of FIG. 5 before being connected with a member to be connected;
fig. 8 is a schematic view of the structure of fig. 7 after connection.
The reference numbers are as follows:
the light guide plate comprises a force sensing elastic sheet 1, a light-transmitting insert 2, a flow guide groove 21, a light reflecting surface 22, a light diffusing surface 23, a glue flow channel 24, a grating 25, an appearance surface part 3, a cavity 4, light curing glue 5, a support part 6 and light 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to fig. 3, fig. 1 is a schematic perspective view of a component body and a transparent insert according to an embodiment of the present invention; FIG. 2 is a front cross-sectional view of FIG. 1; fig. 3 is a schematic cross-sectional view of a connection structure of a sensing component according to an embodiment of the present invention.
The embodiment of the invention provides a sensing component connecting structure, which comprises: the components and parts body, printing opacity inserts 2 and treat the connecting piece, for example, the components and parts can be elastic components and parts or shock attenuation components and parts, treat that the connecting piece can be appearance surface spare 3, components and parts body and printing opacity inserts 2 fixed connection, treat to be equipped with the cavity 4 that is used for holding printing opacity inserts 2 on the connecting piece, be equipped with the clearance that is used for holding photocuring glue 5 between printing opacity inserts 2 and the cavity 4, see through light 7 and shine photocuring glue 5 solidification back through printing opacity inserts 2, so that the components and parts body passes through printing opacity inserts 2 and treats the connecting piece and be connected. When the elastic component is installed as a force sensing elastic sheet 1, a circuit board and the force sensing elastic sheet 1 are fixed on a support piece 6 through a fastener, wherein connection areas used for being fixed with the support piece 6 can be arranged at two ends of the force sensing elastic sheet 1, for example, referring to fig. 3, step surfaces are arranged at the left end and the right end of the force sensing elastic sheet 1, the force sensing elastic sheet 1 penetrates through the step surfaces through the fastener to be connected with the support piece 6, then light curing glue 5 is added into a cavity 4 on an appearance surface piece 3, then the periphery of the appearance surface piece 3 and the periphery of the support piece 6 are fixed through the fastener, finally light 7 irradiates on the light curing glue 5 through a light transmitting insert 2, and the fixation of the force sensing elastic sheet 1 body and the appearance surface piece 3 can be realized by keeping the time required by the curing of the light curing glue 5. Compared with the traditional method that the force sensing elastic sheet 1 is fixed on the appearance surface part 3 through screws or buckles, the method does not need to have excessively complex structure or dimensional accuracy or material requirements on parts and components, and avoids the risks of screw column fracture and the like after screw connection caused by small screw holes or poor materials; in addition, the gap between the light-transmitting insert 2 and the to-be-connected piece can be used as the function of size accumulated tolerance of other parts, so that when the sizes of the related parts fluctuate within the tolerance, the high-precision components are not affected; in addition, the glue injection and curing process can be completed through non-contact operation, and the operation is simple and convenient for automatic operation; the glue curing process is the conversion from liquid state to solid state of the glue, and the corresponding connecting piece is not extruded, so that the deformation of the corresponding connecting piece is not caused.
When it is not suitable to add the photo-curing glue 5 to the component body or the to-be-connected component in advance, please refer to fig. 4, the connection structure provided by the present embodiment may be adopted, that is, the glue flow channel 24 for adding the photo-curing glue 5 is provided on the light-transmitting insert 2, and the glue flow channel 24 is communicated with the gap between the light-transmitting insert 2 and the cavity 4. When the light-transmitting insert 2 is installed, the light-transmitting insert 2 is placed in the cavity 4, then a certain amount of light-curing glue 5 is injected into the glue runner 24 from the back side of the light-transmitting insert 2, and after the filling area between the light-transmitting insert 2 and the cavity 4 is filled with the light-curing glue 5, the light 7 is used for curing.
Further, a reflecting surface 22 for reflecting the light 7 to the light curing glue 5 is arranged inside the light-transmitting insert 2 or on the component body. Wherein light curing glue 5 is arranged in the gap between the light-transmitting insert 2 and the cavity 4, as long as it is ensured that the light-reflecting surface 22 can reflect the light 7 to the gap, the specific setting position of the light-reflecting surface 22 can be selected according to the actual situation, for example, a cross groove can be arranged at the bottom of the light-transmitting insert 2, wherein the side surface of the cross groove is provided with an inclined surface which is arranged at a certain angle, the inclined surface can reflect the light 7 to the side of the cavity 4, namely, the light 7 is reflected to the gap between the side wall of the light-transmitting insert 2 and the inner side wall of the cavity 4.
In order to facilitate the circulation of the light-curing glue 5, the outer side wall of the light-transmitting insert 2 is provided with a diversion trench 21 for guiding the circulation of the light-curing glue 5.
Specifically, the guide groove 21 includes a guide ring groove and a guide straight groove disposed along the outer side wall of the light-transmitting insert 2. The light-curing glue 5 can not be uniformly distributed in the gap through the flow guide ring groove and the flow guide straight groove, so that the fixing stability of the light-transmitting insert 2 is improved.
Further, the light-transmitting insert 2 is a transparent plastic piece integrally injection-molded with the component body. It can be understood that the curing connection is made of injection-molded parts, so that the shape of the connecting part can be set according to specific structures, sufficient connecting strength is ensured, and the application space is more abundant compared with the standard form of a screw.
In another embodiment of the present invention, please refer to fig. 5-8, fig. 5 is a schematic front view illustrating a wedge-shaped light-transmissive insert according to an embodiment of the present invention; FIG. 6 is a side view of FIG. 5; FIG. 7 is a schematic structural view of the light-transmitting insert of FIG. 5 before being connected with a member to be connected; fig. 8 is a schematic view of the structure of fig. 7 after connection. When the installation direction of the to-be-connected piece is different, for example, the assembly direction of the appearance surface piece 3 is different from that of the force sensing elastic piece 1, the light-transmitting insert 2 is of a wedge-shaped structure, and a grid 25 for guiding the circulation of the light curing glue 5 is arranged on the light-transmitting insert 2 in the direction perpendicular to the wedge-shaped inclined plane of the light-transmitting insert. When the device is installed, a certain amount of light curing glue 5 is injected into the cavity 4 of the appearance surface part 3, then the light curing glue is vertically upwards connected with the light-transmitting insert 2 of the force sensing elastic piece 1 along the direction of the wedge-shaped inclined plane, the direction of an arrow in the figure 7 is the installation direction of the appearance surface part 3, and finally the light 7 irradiates for curing.
In order to facilitate the light 7 to better irradiate the light curing glue 5, the light-transmitting insert 2 is provided with a light-scattering surface 23 for scattering the light 7 onto the light curing glue 5. For example, a blind hole can be provided in the light-transmitting insert 2, the direction of the arrow in fig. 8 being the direction of incidence of the light 7, through which blind hole the light 7 can be scattered in order to increase the light-curing effect.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The above description details a connection structure of a sensing device according to the present invention. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (6)
1. A sensing element connection structure, comprising: component body, printing opacity inserts (2) and treat the connecting piece, the component body with printing opacity inserts (2) fixed connection, be equipped with on treating the connecting piece and be used for holding cavity (4) of printing opacity inserts (2), printing opacity inserts (2) with be equipped with the clearance that is used for holding photocuring glue (5) between cavity (4), see through light (7) printing opacity inserts (2) shine photocuring glue (5) solidify the back, so that the component body passes through printing opacity inserts (2) with treat that the connecting piece is connected, be equipped with on printing opacity inserts (2) and be used for adding the glue runner (24) of photocuring glue (5), glue runner (24) with printing opacity inserts (2) with clearance between cavity (4) communicates each other, the inside of printing opacity inserts (2) or be equipped with on the component body and be used for reflecting light (7) photocuring glue (5) on A light-reflecting surface (22).
2. The connection structure of the sensing component according to claim 1, wherein a guiding groove (21) for guiding the circulation of the light-cured glue (5) is formed on an outer side wall of the light-transmitting insert (2).
3. The connection structure of the sensing component according to claim 2, wherein the diversion trench (21) includes a diversion ring trench and a diversion straight trench disposed along an outer side wall of the light-transmissive insert (2).
4. The connection structure of the sensor component according to claim 1, wherein the light-transmitting insert (2) is a transparent plastic piece that is integrally injection-molded with the component body.
5. The sensing component connection structure according to claim 1, wherein the light-transmissive insert (2) is a wedge-shaped structure, and a grid (25) for guiding the flow of the curing glue (5) is arranged on the light-transmissive insert (2) in a direction perpendicular to a wedge-shaped inclined plane of the light-transmissive insert.
6. The sensor component connection structure according to any one of claims 1 to 5, wherein the light-transmissive insert (2) is provided with a light-scattering surface (23) for scattering light (7) onto the light-curable glue (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910271885.1A CN109887781B (en) | 2019-04-04 | 2019-04-04 | Sensing component connection structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910271885.1A CN109887781B (en) | 2019-04-04 | 2019-04-04 | Sensing component connection structure |
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| CN109887781A CN109887781A (en) | 2019-06-14 |
| CN109887781B true CN109887781B (en) | 2021-09-10 |
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| CN113555316B (en) * | 2021-07-20 | 2023-10-31 | 佛山慧鑫众创科技有限公司 | Intelligent power module and manufacturing method thereof |
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