CN209921062U - Solid transparent needle shaft automobile instrument pointer - Google Patents
Solid transparent needle shaft automobile instrument pointer Download PDFInfo
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- CN209921062U CN209921062U CN201920415465.1U CN201920415465U CN209921062U CN 209921062 U CN209921062 U CN 209921062U CN 201920415465 U CN201920415465 U CN 201920415465U CN 209921062 U CN209921062 U CN 209921062U
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Abstract
The utility model provides a solid transparent needle axle motormeter pointer relates to motormeter technical field, including pointer cap, pointer body, pointer axle, balanced copper billet and the pointer lid that closely cooperates each other in proper order, its characterized in that: the pointer body is tightly matched with the inside of the pointer cover through the pointer cover and a pointer shaft penetrating through the pointer cover, and the pointer body, the pointer cap and the pointer cover are driven to rotate simultaneously through the rotation of the pointer shaft; the balance block is arranged between the pointer cap and the pointer cover and is tightly arranged in the pointer cap; the pointer shaft is made of solid transparent optical materials, and the light transmittance is over 90 percent; the bottom surface of axis body is the income plain noodles of moulding plastics as an organic whole, the below installation light source of income plain noodles. The light emitting source is arranged under the axis of the shaft body, most of the light source can be conducted to the pointer body above the shaft body by the pointer shaft, and light loss is minimum, so that the light utilization rate of the light source can be greatly improved, and the uniformity of lighting is guaranteed.
Description
Technical Field
The utility model relates to an motormeter technical field especially relates to a solid transparent needle axle motormeter pointer.
Background
The automobile instrument pointer generally comprises a pointer cap and a pointer body, wherein the pointer body comprises a shaft body and a needle body at the lower part, and a light guide body positioned in the pointer cap presses the needle body and then is connected with the pointer cap through hot riveting; the pointer cap is internally provided with a copper sheet, the cover body compresses the copper sheet, and a light guide body is arranged below the needle shaft and is used for light conduction of light rays of a light source below the stepping motor. In the prior art, the light guide shaft body is generally made to be about phi 3.8 and is internally provided with a through hole for transmission.
The defects of the general automobile instrument pointer are obvious:
1. because the pointer light guide inlet is not positioned on the rotating center of the pointer, the utilization rate of the light of the lower light-emitting source is not high. In order to meet the higher and higher light uniformity requirements of customers, high-brightness light emitting sources or the number of common light emitting sources has to be increased to make up for the problem of low utilization rate.
2. The light guide needle shaft body is hollow and transparent, and injection molding is more complicated. The needle body and the light guide must be separated, and the cost is increased.
3. The light-emitting source is not arranged on the rotating center of the pointer, so that the pointer indication angle can influence the light-guiding intensity of the needle body. This problem can only be remedied by replacing the high-brightness light-emitting sources or increasing the number of light-emitting sources.
4. Part of light emitted by the light emitting source can be reflected to the dial to form an unsightly halo which is difficult to eliminate.
Based on this, the applicant has conducted special research on the method and developed a solid transparent needle shaft automobile instrument pointer, and the scheme is generated accordingly.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned defect that exists among the prior art, the utility model provides a solid transparent needle axle motormeter pointer improves the utilization ratio of light by a wide margin, guarantees the homogeneity of daylighting.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a solid transparent needle shaft automobile instrument pointer comprises a pointer cap, a pointer body, a pointer shaft, a balance copper block and a pointer cover which are mutually and tightly matched in sequence, wherein the pointer body is tightly matched with the inside of the pointer cover through the pointer cover and the pointer shaft penetrating through the pointer cover, and the pointer body, the pointer cap and the pointer cover are driven to rotate simultaneously through the rotation of the pointer shaft; the balance block is arranged between the pointer cap and the pointer cover and is tightly arranged in the pointer cap; the pointer shaft is made of solid transparent optical materials; the bottom surface of axis body is the income plain noodles of moulding plastics as an organic whole, the below installation light source of income plain noodles.
Preferably, the pointer body and the pointer shaft are integrally injection-molded.
Preferably, the pointer cover covers the bottom of the pointer cap and forms a closed space with the inside of the pointer cap, and the pointer cover is made of a light-shielding material.
Preferably, the tail of the pointer cover is provided with a groove.
Preferably, the diameter of the shaft body is larger than 2.5 mm.
As a preferable scheme, the distance between the light incident surface and the light source is 1.0-1.5 mm.
As a preferred scheme, the upper part of the pointer shaft is a connecting seat, and the lower part of the pointer shaft is a shaft body; one surface of the pointer body is fixedly matched with the inside of the pointer cap, and the other surface of the pointer body is fixedly matched with the connecting seat; the pointer cover is fixedly matched with the connecting seat; the inner side of the tail of the pointer cap is provided with a convex block, and the balance block is arranged in the tail of the pointer cap and is in interference fit with the convex block.
As a preferred scheme, the connecting seat is provided with a positioning hole, and a positioning column matched with the positioning hole is arranged inside the pointer cap; the positioning column penetrates through the positioning hole to be fixedly matched with the pointer cover.
Preferably, the light transmittance of the pointer shaft is more than 90%, and a light guide grade polycarbonate resin (PC) material is adopted.
The utility model discloses principle and effect:
(1) the utility model discloses the light emitting source is arranged under the axis body axis, and on light most of can be conducted the pointer body of top by the pointer axle, light loss is minimum, consequently can improve the light utilization ratio of light source by a wide margin, makes the daylighting design of pointer also become more simple and reliable, has guaranteed the homogeneity of daylighting.
(2) The utility model discloses the pointer adopts above-mentioned structure, and the rotation through the pointer axle drives pointer body, pointer cap and pointer lid and rotates simultaneously, and the light path is inside for the pointer, and not change, therefore the change of pointer indication angle does not influence the change of pointer body leaded light intensity.
(3) The utility model discloses the pointer lid covers in the bottom of pointer cap and forms airtight space with the inside of pointer cap, and the pointer lid adopts the shading material. The light shielding cover (pointer cover) completely seals the light guided by the transparent shaft body in the pointer cap, and an unsightly halo cannot be formed on the dial.
Drawings
FIG. 1 is a sectional view of the structure of a solid transparent needle shaft automobile instrument pointer;
FIG. 2 is an exploded view of a solid transparent needle shaft automobile instrument pointer of the present invention;
FIG. 3 is a schematic structural view of a solid transparent needle shaft automobile instrument pointer of the present invention;
FIG. 4 is a light path diagram of the solid transparent needle shaft automobile instrument pointer of the present invention when the shaft body is matched with the light source;
fig. 5 is a light path diagram of the conventional pointer shaft body when being matched with the light source.
Description of the labeling: the pointer comprises a pointer cap 1, a positioning column 11, a convex block 12, a pointer body 2, a pointer shaft 3, a connecting seat 31, a shaft body 32, a positioning hole 33, a balance block 4, a pointer cover 5, a groove 51, a light source 6, a light ray 61 and a light incident surface 62.
Detailed Description
In order to make the technical means and the technical effects achieved by the technical means of the present invention more clearly and completely disclosed, the following embodiments are provided and the following detailed description is made with reference to the accompanying drawings:
as shown in fig. 1 to 3, the solid transparent pointer shaft automobile instrument pointer of the embodiment includes a pointer cap 1, a pointer body 2, a pointer shaft 3, a balance copper block and a pointer cover 5 which are tightly fitted with each other in sequence, the pointer body 2 is tightly fitted inside the pointer cover 5 through the pointer cover 5 and the pointer shaft 3 penetrating through the pointer cover 5, and the pointer body 2, the pointer cap 1 and the pointer cover 5 are driven to rotate simultaneously through the rotation of the pointer shaft 3; the balance weight 4 is arranged between the pointer cap 1 and the pointer cover 5 and is tightly arranged in the pointer cap 1; the pointer shaft 3 is made of solid transparent optical material; the bottom surface of the shaft body 32 is an integrally injection-molded light incident surface 62, and the light source 6 is mounted below the light incident surface 62. As shown in fig. 4, specifically, the light source 6 is arranged right below the axis of the shaft body 32, most of the light source 6 can be conducted to the pointer body 2 above by the pointer shaft 3, and the light loss is minimal, so that the utilization rate of the light rays 61 of the light source 6 can be greatly improved, the lighting design of the pointer is simpler and more reliable, and the uniformity of lighting is ensured. In this embodiment, the shaft body 32 is fixed on the micro-stepping motor, and the micro-stepping motor drives the light guide shaft body 32 to rotate synchronously. The pointer of the embodiment adopts the structure, the pointer body 2, the pointer cap 1 and the pointer cover 5 are driven to rotate simultaneously through the rotation of the pointer shaft 3, and the light path is not changed relative to the inside of the pointer, so that the change of the pointer indication angle does not influence the change of the light guide intensity of the pointer body 2.
General current motormeter pointer of comparing the utility model discloses the biggest benefit is the improvement by a wide margin of light 61 utilization ratio. Like fig. 4, in a general conventional automobile instrument pointer, the light source 6 on the circuit board is arranged near the pointer as a circle center, and about 50% of light 61 emitted by the light source 6 is wasted, so that the uniformity of the intensity of the light 61 of the pointer body is difficult to ensure, and the problem can be solved only by increasing the number of LEDs or replacing high-brightness LEDs. (the dotted lines in FIGS. 4 and 5 indicate effective rays)
The preferred pointer cover 5 of this embodiment covers the bottom of the pointer cap 1 and forms a sealed space with the inside of the pointer cap 1, and the pointer cover 5 is made of a light-shielding material. The light shielding cover (pointer cover 5) completely seals the light ray 61 guided by the transparent shaft body 32 inside the pointer cap 1, and no unsightly halo is formed on the dial.
In the preferred embodiment, the rear part of the pointer cover 5 is provided with a groove 51. Two grooves 51 are specifically arranged, and the main function is to check whether the brass balance block 4 is neglected to be installed after the pointer is assembled. Two grooves 51 are located the below of balancing piece 4, go the back with balancing piece 4 installation, and leading-in light is covered by balancing piece 4, can not the light leak.
The diameter of the shaft 32 is preferably larger than 2.5mm in this embodiment, so as to enlarge the light incident surface 62.
The distance between the light incident surface 62 and the light source 6 is preferably 1.0-1.5mm, so that a good light gathering effect can be achieved.
In the preferred embodiment, the upper part of the pointer shaft 3 is a connecting seat 31, and the lower part is a shaft body 32; one surface of the pointer body 2 is fixedly matched with the inside of the pointer cap 1, and the other surface of the pointer body 2 is fixedly matched with the connecting seat 31; the pointer cover 5 is fixedly matched with the connecting seat 31; the inner side of the tail part of the pointer cap 1 is provided with a convex block 12, and the balance block 4 is arranged in the tail part of the pointer cap 1 and is in micro interference fit with the convex block 12. The pointer cap 1 and the pointer body 2 can be made into different colors, the pointer body 2 can be designed to be transparent, and the upper side and the lower side can be thermoprinted with different colors; the copper balance block 4 can be matched with the weight of the needle body, so that the dynamic balance of the pointer meets the requirement, and the problems of play, abnormal sound, step loss and the like can not be caused; the needle cap, the needle body and the needle shaft are hot riveted, so that the overall firmness of the structure can be improved, and abnormal sound is avoided.
The preferred connecting seat 31 of this embodiment is provided with a positioning hole 33, and the inside of the pointer cap 1 is provided with a positioning column 11 matched with the positioning hole 33; the positioning column 11 passes through the positioning hole 33 to be fixedly matched with the pointer cover 5.
Specifically, after four positioning hot riveting columns arranged on the pointer cap 1 penetrate through four positioning holes 33 arranged on a connecting seat 31 of the pointer shaft 3, the balance block 4 is in micro interference fit with a convex block 12 on the inner side of the tail of the pointer cap 1, the four positioning hot riveting columns continuously penetrate through the four positioning holes 33 and are pressed tightly after being installed by the pointer cover 5 below, and finally the positioning hot riveting columns (positioning columns 11) of the shading cover are exposed through hot riveting. The three-in-one connection has simple structure, accurate positioning and firm hot riveting.
In this embodiment, the light transmittance of the pointer shaft 3 is preferably 90% or more, and a light guide grade Polycarbonate (PC) material is used. After the pointer shaft 3 is made of light guide grade polycarbonate resin material, the pointer material has the advantages of good dimensional stability, high hardness, flame retardance, wear resistance and excellent performance in all aspects.
The utility model discloses another kind of embodiment of the cooperation mode of pointer body 2 and pointer axle 3 does: pointer body 2 and pointer axle 3 integrative injection moulding can make processing convenient, reduces injection mold quantity.
The utility model discloses an application method is the same with the application method of current motormeter pointer, drives its rotation through the motor, and just above content only does the utility model discloses a preferred embodiment can not be affirmed the utility model discloses concrete implementation only limits in above-mentioned these explanations, to the utility model discloses the ordinary technical personnel of the technical field that belongs to, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (9)
1. The utility model provides a solid transparent needle axle motormeter pointer, includes that closely cooperate's pointer cap, pointer body, pointer axle, balanced copper billet and pointer lid each other in proper order, its characterized in that: the pointer body is tightly matched with the inside of the pointer cover through the pointer cover and a pointer shaft penetrating through the pointer cover, and the pointer body, the pointer cap and the pointer cover are driven to rotate simultaneously through the rotation of the pointer shaft; the balance copper block is arranged between the pointer cap and the pointer cover and is tightly arranged in the pointer cap; the pointer shaft is made of solid transparent optical materials; the bottom surface of the pointer shaft is an integrally injection-molded light incident surface, and a light source is arranged below the light incident surface.
2. A solid transparent needle shaft automotive instrument pointer as claimed in claim 1, characterized in that: the pointer body and the pointer shaft are preferably integrally formed by injection molding.
3. A solid transparent needle shaft automotive instrument pointer as claimed in claim 1, characterized in that: the pointer covers the bottom of the pointer cap and forms a closed space with the inside of the pointer cap, and the pointer cap is made of a light-shielding material.
4. A solid transparent needle shaft automotive instrument pointer as claimed in claim 2, characterized in that: the tail part of the pointer cover is provided with a groove.
5. A solid transparent needle shaft automotive instrument pointer as claimed in claim 1, characterized in that: the diameter of the pointer shaft is larger than 2.5 mm.
6. A solid transparent needle shaft automotive instrument pointer as claimed in claim 1, characterized in that: the distance between the light incident surface and the light source is 1.0-1.5 mm.
7. A solid transparent needle shaft automotive instrument pointer as claimed in claim 3, wherein: the upper part of the pointer shaft is a connecting seat, and the lower part of the pointer shaft is a shaft body; one surface of the pointer body is fixedly matched with the inside of the pointer cap, and the other surface of the pointer body is fixedly matched with the connecting seat; the pointer cover is fixedly matched with the connecting seat; the inner side of the tail of the pointer cap is provided with a convex block, and the balance copper block is installed in the tail of the pointer cap and in interference fit with the convex block.
8. A solid transparent needle shaft automotive instrument pointer as claimed in claim 7, wherein: the connecting seat is provided with a positioning hole, and a positioning column matched with the positioning hole is arranged inside the pointer cap; the positioning column penetrates through the positioning hole to be fixedly matched with the pointer cover.
9. A solid transparent needle shaft automotive instrument pointer as claimed in claim 1, characterized in that: the light transmittance of the pointer shaft is over 90 percent, and a light guide grade polycarbonate resin material is adopted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920415465.1U CN209921062U (en) | 2019-03-29 | 2019-03-29 | Solid transparent needle shaft automobile instrument pointer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920415465.1U CN209921062U (en) | 2019-03-29 | 2019-03-29 | Solid transparent needle shaft automobile instrument pointer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209921062U true CN209921062U (en) | 2020-01-10 |
Family
ID=69071886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920415465.1U Active CN209921062U (en) | 2019-03-29 | 2019-03-29 | Solid transparent needle shaft automobile instrument pointer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209921062U (en) |
-
2019
- 2019-03-29 CN CN201920415465.1U patent/CN209921062U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 312000 No.56 Shuguang Road, Keqiao Economic Development Zone, Shaoxing City, Zhejiang Province Patentee after: Yanfeng Visteon Yidong Automotive Electronics Co.,Ltd. Address before: 312081 No.56, Shuguang Road, Keqiao Economic Development Zone, Shaoxing City, Zhejiang Province Patentee before: YANFENG VISTEON BETUNG AUTOMOTIVE INSTRUMENT Co.,Ltd. |
|
| CP03 | Change of name, title or address |