CN214189921U - Electric bicycle instrument - Google Patents
Electric bicycle instrument Download PDFInfo
- Publication number
- CN214189921U CN214189921U CN202120007882.XU CN202120007882U CN214189921U CN 214189921 U CN214189921 U CN 214189921U CN 202120007882 U CN202120007882 U CN 202120007882U CN 214189921 U CN214189921 U CN 214189921U
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- Prior art keywords
- instrument
- meter
- cover
- electric bicycle
- display
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Abstract
The utility model provides an electric bicycle instrument, including instrument display apron, instrument upper cover, instrument lower cover and display panel, instrument display apron lock is in cover on the instrument, the instrument upper cover is installed cover under the instrument, display panel be located by the instrument display apron the instrument upper cover with in the inner space that the instrument lower cover encloses, the instrument display apron with bond through the hot melt adhesive between the instrument upper cover, the hot melt adhesive along the instrument display apron with the contact department of instrument upper cover arranges. The shell is bonded by the hot melt adhesive, so that the assembling mode of the electric bicycle instrument is simpler, the electric bicycle instrument has excellent physical and mechanical properties, excellent electrical insulating property and chemical stability, the bonding strength to various engineering plastics and inorganic glass is good, and the bearing part of the hot melt adhesive has no corrosion effect.
Description
Technical Field
The utility model relates to an electric bicycle field especially relates to an electric bicycle instrument.
Background
Electric bicycle is outdoor product, because its display instrument exposes often in external environment contact rainwater, air etc. always, easily receives the environmental impact, at electric bicycle field, requires to possess certain waterproof grade to the display instrument at present.
The existing instrument shell is usually assembled by ultrasonic welding or sealing rings and screws are arranged between different shells for fastening, so that an instrument display cover plate and an instrument upper cover are assembled for water resistance; both of these methods can meet the current requirements of product manufacturing, but have high requirements on parts and complex assembly methods.
Therefore, the assembly of the existing instrument housing needs to be further optimized.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem, the utility model provides an electric bicycle instrument, the equipment mode of this electric bicycle instrument is simpler.
The utility model discloses well electric bicycle instrument, including instrument display apron, instrument upper cover, instrument lower cover and display panel, instrument display apron lock is in on the instrument covers, the instrument upper cover is installed on the instrument lower cover, display panel is located the instrument display apron the instrument upper cover with in the inner space that the instrument lower cover encloses, the instrument display apron with bond through the hot melt adhesive between the instrument upper cover, the hot melt adhesive along the contact department of instrument display apron and instrument upper cover arranges.
In one embodiment, the instrument display cover plate and the display panel are attached seamlessly.
In one embodiment, the display panel is an LCD panel or an OLED panel.
In one embodiment, the top of the meter upper cover is provided with a bayonet for clamping the meter display cover plate, and the meter display cover plate is buckled in the bayonet.
Preferably, the shape of the bayonet is the same as the shape of the edge of the meter display cover plate, and the hot melt adhesive is arranged along the edge of the bayonet.
Preferably, the instrument display cover plate is made of engineering plastics or inorganic glass.
In one embodiment, the meter upper cover and the meter lower cover are welded by ultrasonic welding.
In one embodiment, the meter upper cover and the meter lower cover are bonded through another hot melt adhesive, and the another hot melt adhesive is arranged along the contact position of the meter upper cover and the meter lower cover.
In one embodiment, the meter upper cover and the meter lower cover are respectively provided with a corresponding annular convex structure and an annular groove structure, the annular convex structure extends into the annular groove structure, and the other hot melt adhesive is arranged in the annular groove structure.
In one embodiment, a meter control button is disposed on the meter cover.
Has the advantages that:
the utility model provides a novel structure's electric bicycle instrument, between the instrument display apron of this electric bicycle instrument and the instrument upper cover, all can bond through the hot melt adhesive between instrument upper cover and the instrument lower cover, bond the casing through adopting the hot melt adhesive, make the equipment mode of electric bicycle instrument simpler, and have excellent physical and mechanical properties, good electrical insulation performance and chemical stability, bonding strength to various engineering plastics and inorganic glass is good, and bear carrier noncorrosive effect to the hot melt adhesive.
Drawings
Fig. 1 is a perspective view of an electric bicycle instrument provided in embodiment 1 of the present invention;
fig. 2 is an overall exploded view of the electric bicycle instrument provided in embodiment 1 of the present invention;
fig. 3 is a schematic view illustrating the hot melt adhesive provided in embodiment 1 of the present invention disposed on the upper housing of the meter;
fig. 4 is a partially assembled schematic view of the electric bicycle meter provided in embodiment 1 of the present invention along the section a-a;
fig. 5 is an overall exploded view of the electric bicycle instrument provided in embodiment 2 of the present invention;
fig. 6 is a schematic view illustrating the hot melt adhesive provided in embodiment 2 of the present invention disposed on the lower case of the meter.
Detailed Description
The following further describes the present invention with reference to the drawings, and illustrates the practical embodiment of the present invention for better operation, which is not intended to limit the present invention in any form, and all simple modifications, equivalent changes and modifications made by the technical entity of the present invention to the following embodiments are within the scope of the technical solution of the present invention.
In the description of the present application, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "above," "below," and "above" a second feature includes the first feature being directly below and obliquely below the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
Referring to fig. 1 to 4, the utility model discloses electric bicycle instrument includes instrument display cover plate 1 in embodiment 1, instrument upper cover 2, instrument lower cover 3 and display panel 4, instrument display cover plate 1 lock is on instrument upper cover 2, instrument upper cover 2 installs on instrument lower cover 3, display panel 4 is located by instrument display cover plate 1, in the inner space that instrument upper cover 2 and instrument lower cover 3 enclose, and bond through hot melt adhesive 5 between instrument display cover plate 1 and the instrument upper cover 2, hot melt adhesive 5 is arranged along instrument display cover plate 1 and instrument upper cover 2's contact department.
The hot melt adhesive is a plastic adhesive, the physical state of which changes along with the temperature change within a certain temperature range, and the hot melt adhesive 5 is obtained by curing the hot melt adhesive. The hot melt adhesive 5 has very good adhesive force to glass, metal, plastic and the like, and the instrument display cover plate 1 and the instrument upper cover 2 which are bonded by the hot melt adhesive 5 have very firm mechanical structures and are not easy to separate; and because the hot melt adhesive 5 is in the shape of a closed hot melt adhesive strip, the hot melt adhesive has the function of a sealant, and can meet the waterproof level of an electric bicycle instrument used outdoors. In addition, the hot melt adhesive 5 has no corrosive effect on the bearing parts such as the instrument display cover plate 1, the instrument upper cover 2 and the like. The hot melt 5 may be selected from polyurethane materials, polyamide materials or polyester amide materials.
For the structure of frivolous electric bicycle instrument, and make display panel 4 be difficult for advancing the dust, can seamless laminating between instrument display apron 1 and the display panel 4, utilize optical cement or ultraviolet to glue the solidification together after the seamless bonding of both promptly. The display panel 4 may be an LCD (liquid crystal display) panel or an OLED (organic electroluminescent diode) panel.
For the lock stability that increases instrument display apron 1 and instrument upper cover 2, the top of instrument upper cover 2 has bayonet 7 of joint instrument display apron 1, bayonet 7 is the same basically with the marginal shape of instrument display apron 1 thereby fixes instrument display apron 1 on bayonet 7, bayonet 7 can support the edge of instrument display apron 1, and hot melt adhesive 5 is arranged along bayonet 7 and instrument display apron 1 edge contact department.
The method for buckling the instrument display cover plate 1 and the instrument upper cover 2 together comprises the following steps of dripping glue solution of hot melt adhesive along the edge to be contacted with the instrument display cover plate 1 on the bayonet 7, covering the instrument display cover plate 1 on the bayonet 7, and solidifying the glue solution of the hot melt adhesive under static pressure maintaining, so that the instrument display cover plate 1 and the instrument upper cover 2 can be bonded together. When the glue solution of the hot melt adhesive is the moisture curing reactive polyurethane prepolymer, the hot melt adhesive 5 is a polyurethane material, and the waterproof grade of the electric bicycle instrument can reach IPX7, which is far higher than the requirement of the electric bicycle field on the display instrument.
The instrument display cover plate 1 is made of engineering plastics or inorganic glass, and the engineering plastics include but are not limited to PC (polycarbonate) or PMMA (polymethyl methacrylate). The material of the meter top cover 2 may be selected from ABS (acrylonitrile-butadiene-styrene copolymer).
The meter upper cover 2 and the meter lower cover 3 in embodiment 1 can be bonded by ultrasonic bonding to form an ultrasonic wire 6.
Referring to fig. 6, the utility model discloses bond through another hot melt adhesive 15 between instrument upper cover 2 and the instrument lower cover 3 of electric bicycle instrument in embodiment 2, this another hot melt adhesive 15 is arranged along instrument upper cover 2 and the contact department of instrument lower cover 3.
For the leakproofness and the combination stability between increase instrument upper cover 2 and the instrument lower cover 3, be provided with corresponding annular protruding structure 8 and annular groove structure 9 on instrument upper cover 2 and the instrument lower cover 3 respectively, annular protruding structure 8 stretches into the setting in annular groove structure 9, and another hot melt adhesive 15 is arranged in annular groove structure 9 to bond annular protruding structure 8 and annular groove structure 9's contact department together.
The annular convex structure 8 is outwards arranged around the lower end edge of the upper meter cover 2 in a protruding mode to form a circle, and the annular concave structure 9 is inwards arranged around the upper end edge of the lower meter cover 3 in a recessed mode to form a circle. The method for mounting the upper meter cover 2 and the lower meter cover 3 together comprises the following steps of firstly filling a circle of glue solution of hot melt adhesive along the groove of the annular groove structure 9 into the annular groove structure 9, then buckling the annular convex structure 8 of the upper meter cover 2 into the annular groove structure 9, and solidifying the glue solution of the hot melt adhesive under static pressure maintaining, so that the upper meter cover 2 and the lower meter cover 3 can be bonded together.
In addition, a meter control button 10 is further provided on the meter upper cover 2, and the meter control button 10 is used for switching on and off of a meter power supply of the electric bicycle and setting relevant parameters of the electric bicycle. The meter lower cover 3 is also internally provided with a meter main orifice plate 11, an external wiring harness printed circuit board 12, a USB printed circuit board 13 and a USB dustproof plug 14.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the present application have been illustrated and described in detail herein, many other variations and modifications consistent with the principles of the application may be ascertained or derived directly from the disclosure herein without departing from the spirit and scope of the application. Accordingly, the scope of the present application should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. The utility model provides an electric bicycle instrument, includes instrument display cover board, instrument upper cover, instrument lower cover and display panel, instrument display cover board lock is in on the instrument upper cover, the instrument upper cover is installed on the instrument lower cover, display panel be located by instrument display cover board the instrument upper cover with in the inner space that the instrument lower cover encloses, its characterized in that, instrument display cover board with bond through the hot melt adhesive between the instrument upper cover, the hot melt adhesive along instrument display cover board with the contact department of instrument upper cover arranges.
2. The electric bicycle meter of claim 1, wherein the meter display cover and the display panel are seamlessly attached.
3. The electric bicycle meter of claim 2, wherein the display panel is an LCD panel or an OLED panel.
4. The electric bicycle meter of claim 1, wherein the top of the meter cover has a bayonet for engaging the meter display cover plate, and the meter display cover plate is engaged in the bayonet.
5. The electric bicycle meter of claim 4, wherein the shape of the bayonet is the same as the shape of the edge of the meter display cover plate, the hot melt adhesive being disposed along the bayonet edge.
6. The electric bicycle meter according to claim 1, wherein the meter display cover is made of engineering plastic or inorganic glass.
7. The electric bicycle meter of claim 1, wherein the meter top cover and the meter bottom cover are ultrasonically welded to each other.
8. The electric bicycle meter of claim 1, wherein the meter top cover and the meter bottom cover are bonded together by another hot melt adhesive disposed along the contact between the meter top cover and the meter bottom cover.
9. The electric bicycle meter of claim 8, wherein the meter upper cover and the meter lower cover are respectively provided with corresponding annular protrusion structures and annular groove structures, the annular protrusion structures are inserted into and arranged in the annular groove structures, and the other hot melt adhesive is arranged in the annular groove structures.
10. The electric bicycle meter of claim 1, wherein the meter cover has a meter control button disposed thereon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120007882.XU CN214189921U (en) | 2021-01-05 | 2021-01-05 | Electric bicycle instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120007882.XU CN214189921U (en) | 2021-01-05 | 2021-01-05 | Electric bicycle instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214189921U true CN214189921U (en) | 2021-09-14 |
Family
ID=77633168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120007882.XU Active CN214189921U (en) | 2021-01-05 | 2021-01-05 | Electric bicycle instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214189921U (en) |
-
2021
- 2021-01-05 CN CN202120007882.XU patent/CN214189921U/en active Active
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