Die-casting lamp body, lamp and lighting system

By directly forming the connection holes on the die-cast lamp body, the problem of post-processing of threaded holes in the prior art is solved, and the effects of simplification of production, cost reduction and smooth bolt screwing are achieved.

CN222503636UActive Publication Date: 2025-02-18HUIZHOU NVC OPTOELECTRONICS TECH CO LTD
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Patent Information

Application Number
CN202421117377.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-21
Publication Date
2025-02-18
Estimated Expiration
2034-05-21

AI Technical Summary

Technical Problem

During the production process, the existing die-cast lamp body cannot be molded together with the mold embryo at one time, which requires post-processing. The process is complicated, the cost is high, and the bolts are prone to difficulty in screwing in.

Method used

A die-cast lamp body is designed, which directly forms a connecting hole during the molding process. The connecting hole has a round hole portion and a plurality of chip collecting parts. The chip collecting part can recover metal cutting waste from bolts to avoid post-processing.

Benefits of technology

It simplifies the production process, reduces production costs, improves production efficiency, and ensures that the bolts can be screwed into the connection holes smoothly, solving the problem of difficulty in screwing into the bolts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a die-casting lamp body, a lamp and a lighting system, a connecting hole is formed in the die-casting lamp body in a die-casting mode, the connecting hole is provided with a round hole part and a plurality of scrap collecting parts, the scrap collecting parts are distributed around the periphery of the round hole part, each scrap collecting part is provided with an arch-shaped column groove and a rectangular column groove, and the arch-shaped column grooves are communicated with the round hole part and the rectangular column groove. The cross section of the arch-shaped column groove is in an arch shape, the cross section of the rectangular column groove is in a rectangle shape, and the cross section of each chip collecting part and the cross section of the round hole part are in a calabash shape. The lamp is provided with the die-casting lamp body, the lighting system is provided with the lamp, and the die-casting lamp body has the advantages of being low in production cost and convenient to assemble with bolts.
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Description

Technical Field

[0001] The utility model relates to the technical field of lamps, in particular to a die-cast lamp body, a lamp provided with the die-cast lamp body, and a lighting system provided with the lamp. Background Art

[0002] Due to the limitations of the die-casting process, the threaded holes on the existing die-cast lamp body cannot be demolded together with the mold base at one time, resulting in the need for post-processing of the threaded holes on the die-cast lamp body. The post-processing process is: first drill holes at the specified position, tap the threads after drilling, and then perform surface treatment on the die-casting. During the surface treatment, the threads of the threaded holes need to be protected to prevent paint powder from entering the threaded holes during the surface treatment process and causing paint and powder accumulation on the threads, thereby ensuring that the bolts can be screwed into the threaded holes later. However, the above-mentioned shortcomings of forming threaded holes on the die-cast lamp body through post-processing are: the processing steps are numerous and complicated, resulting in high production costs and low processing efficiency, and paint powder is inevitably introduced into the threaded holes during the processing, resulting in the bolts being easily blocked from being screwed into the threaded holes later.

[0003] The utility model patent with announcement number CN220904160U discloses a connection hole injection molding structure, injection molding part and electrical equipment, wherein a connection hole is formed on the body of the connection hole injection molding structure, the connection hole includes a straight hole and a countersunk hole, the straight hole has a plurality of connection walls and a plurality of waste grooves, the plurality of connection walls and the plurality of waste grooves are spaced along the circumference of the straight hole, an inscribed circle is provided between the plurality of connection walls, the waste groove is recessed from the connection wall to the axis of the straight hole, when an internal thread is formed in the straight hole, the maximum distance between the waste groove and the axis is greater than the outer diameter of the internal thread, the diameter of the inscribed circle is less than or equal to the inner diameter of the internal thread, the countersunk hole is located at the entrance end of the straight hole, the first depth of the countersunk hole is less than the second depth of the straight hole, the first cross section of the countersunk hole is a rounded square, and on the first cross section, the projection of the straight hole is located within the projection of the countersunk hole. The connection hole injection molding structure can recover the cutting waste cut by the bolt through the waste groove when the bolt is assembled into the connection hole, so as to prevent the cutting waste from hindering the bolt from being screwed into the connection hole. Therefore, the connecting hole structure disclosed in the utility model patent can be used on the die-cast lamp body to solve the shortcomings of the existing die-cast lamp body production; among them, the connecting hole shape disclosed in Figures 7 and 9 of the utility model patent is more suitable for the die-cast lamp body than other shapes of connecting holes in the utility model patent because its waste groove can accommodate more cutting waste.

[0004] However, since the cutting waste produced by cutting the die-cast lamp body is metal waste, the following deficiencies exist when the connecting hole disclosed in FIG. 7 of the above utility model patent is applied to the die-cast lamp body: since the connecting hole disclosed in FIG. 7 has a connecting wall which is flat and protrudes toward the axis of the straight hole, when the bolt is installed in the connecting hole, the cutting depth of the bolt on the connecting wall is different, and the contact area between the bolt and the connecting wall is small, resulting in insufficient connection reliability; in addition, the installation resistance encountered by the bolt during installation is relatively large, and more metal cutting waste may be produced, and the waste slot space is limited and the compressibility of metal cutting waste is worse than that of plastic cutting waste, so the metal cutting waste is still easy to hinder the screwing in of the bolt.

[0005] However, the shortcomings when applying the connecting hole disclosed in Figure 9 of the above utility model patent to the die-cast lamp body are as follows: since the compressibility of metal cutting waste is worse than that of plastic cutting waste, and the waste slot space is limited, and the waste slot structure of the connecting hole is poorly adaptable to the die-cast lamp body and the structure is not optimized enough, the metal cutting waste may still hinder the screwing in of the bolt. Summary of the invention

[0006] In order to solve the above problems, the main purpose of the utility model is to provide a die-cast lamp body which has low production cost and is easy to assemble with bolts.

[0007] Another object of the utility model is to provide a lamp provided with the above-mentioned die-cast lamp body.

[0008] Another object of the present invention is to provide a lighting system provided with the above-mentioned lamp.

[0009] In order to achieve the main purpose of the utility model, the utility model provides a die-cast lamp body, wherein a connecting hole is die-cast on the die-cast lamp body, the connecting hole has a circular hole portion and a plurality of chip collecting portions, the plurality of chip collecting portions are distributed around the outer circumference of the circular hole portion, the chip collecting portion has an arched column groove and a rectangular column groove, the arched column groove connects the circular hole portion and the rectangular column groove, the cross-section of the arched column groove is arch-like, the cross-section of the rectangular column groove is rectangular-like, and the cross-section of each chip collecting portion and the circular hole portion is gourd-shaped.

[0010] As can be seen from the above, through the structural design of the connecting hole, the connecting hole can be formed on the die-cast lamp body when the die-cast lamp body is formed by the die-casting molding process, thereby eliminating the trouble of post-processing the formed die-cast lamp body, which not only simplifies the production process and improves production efficiency, but also reduces production costs; in addition, in the process of screwing into the circular hole part of the connecting hole, the cut metal cutting waste can be moved to the chip collecting part under the rotation of the bolt, thereby preventing the cut metal cutting waste from hindering the screwing in of the bolt, making the assembly of the bolt and the connecting hole easier and more efficient; furthermore, through the design of the chip collecting part, when the amount of cut metal cutting waste is large, the metal cutting waste can be squeezed into the rectangular column groove for secondary recovery, thereby ensuring the smoothness of the bolt being screwed into the connecting hole.

[0011] A further solution is that the bow-like arc is a major arc, a semicircular arc or a minor arc.

[0012] As can be seen from the above, the shape of the chip collecting portion can be changed according to the stud structure, thread structure, etc. of the bolt to ensure that the chip collecting portion can reliably recover the metal cutting waste produced by the bolt cutting and make the connecting hole in a better structure.

[0013] A further solution is that the first diameter of the circular hole portion is 2 to 2.5 times the length of the bow-like chord; the first diameter is 2 to 2.5 times the second diameter of the bow-like shape; the second diameter is 2.5 to 6 times the width of the rectangle, and the width is parallel to the bow-like chord.

[0014] As can be seen from the above, this design can ensure the strength of the connecting hole, and enable the chip collecting part to recycle all the metal cutting wastes cut out during the assembly of the bolt, so as to prevent the metal cutting wastes from hindering the assembly of the bolt.

[0015] A further solution is that the first diameter is between 2.65 mm and 2.75 mm.

[0016] A further solution is that the circular hole portion is provided with an oblique chamfer at the entrance of the connecting hole.

[0017] As can be seen from the above, the chamfered angle design can guide the bolt when it is screwed into the circular hole, so that the bolt can be screwed into the circular hole more accurately and the bolt and the circular hole can be better coaxially assembled.

[0018] A further solution is that the number of the chip collecting parts is three or four.

[0019] It can be seen from the above that by designing the number of chip collecting parts, the chip collecting parts can not only meet the needs of recycling metal cutting waste cut out during bolt assembly, but also avoid the round hole part from having too low strength, thereby ensuring the reliability of the connection between the round hole part and the bolt.

[0020] A further solution is that the die-cast lamp body further comprises a mounting cavity and heat dissipation fins, the bottom of the mounting cavity is provided with a connection hole, and the heat dissipation fins extend from the bottom of the mounting cavity away from the opening of the mounting cavity.

[0021] As can be seen from the above, the installation cavity is used to accommodate components such as the light source and the light source bracket, and a connecting hole is arranged at the bottom of the installation cavity, so that the light source can be reliably fixed in the installation cavity through bolts and the connecting holes; the setting of the heat dissipation fins can enhance the heat dissipation effect of the die-cast lamp body on the light source, thereby ensuring that the light source can work stably and reliably.

[0022] A further solution is that the die-cast lamp body is made of ADC12 aluminum alloy material.

[0023] It can be seen from the above that the use of ADC12 aluminum alloy material to make a die-cast lamp body can improve the mechanical properties of the die-cast lamp body, so that it has excellent tensile strength and yield strength, and can meet various complex process requirements, while also ensuring the reliability of the die-cast lamp body in dissipating heat for the light source.

[0024] In order to achieve another object of the utility model, the utility model provides a lamp, including a bolt, wherein the lamp also includes the above-mentioned die-cast lamp body, and the bolt is threadedly connected to the circular hole portion.

[0025] As can be seen from the above, the lamp provided with the above-mentioned die-cast lamp body is simple to produce, has high production efficiency and low production cost.

[0026] In order to achieve another object of the present invention, the present invention provides a lighting system, including a control terminal, wherein the lighting system also includes the above-mentioned lamp, the lamp also includes a control unit and a light source, the light source is installed in the die-cast lamp body and is electrically connected to the control unit; the control terminal is electrically connected to the control unit, and / or the control terminal and the control unit exchange information.

[0027] As can be seen from the above, the lighting system provided with the above-mentioned lamp has the advantage of low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a structural diagram of the lamp embodiment of the utility model with some components omitted.

[0029] Figure 2 It is a structural diagram of a die-cast lamp body of an embodiment of the lamp of the utility model.

[0030] Figure 3 yes Figure 1 Enlarged view of point A in the middle.

[0031] Figure 4 yes Figure 2 Enlarged view of point B in the middle.

[0032] Figure 5It is a cross-sectional view of the lamp embodiment of the utility model with some components omitted.

[0033] The present invention will be further described below with reference to the accompanying drawings and embodiments. DETAILED DESCRIPTION

[0034] Lamp Example

[0035] Reference Figures 1 to 3 The lamp 100 includes a die-cast lamp body 101, a bolt 102, a light source (not shown), a light source bracket (not shown), and a control power supply (not shown), etc. The control power supply is electrically connected to the light source so that the light source can illuminate according to a set mode.

[0036] The die-cast lamp body 101 is die-cast to have a connecting hole 1, a mounting cavity 2 and heat dissipation fins 3; the die-cast lamp body 101 is preferably made of ADC12 aluminum alloy material. The use of ADC12 aluminum alloy material to make the die-cast lamp body 101 can improve the mechanical properties of the die-cast lamp body 101, so that it has excellent tensile strength and yield strength, and can meet various complex process requirements, while also ensuring the reliability of the die-cast lamp body 101 in dissipating heat for the light source.

[0037] Combination Figure 4 The connecting hole 1 has a circular hole portion 11 and a plurality of chip collecting portions 12, and the plurality of chip collecting portions 12 are preferably evenly distributed around the outer circumference of the circular hole portion 11. The chip collecting portion 12 has an arcuate column groove 121 and a rectangular column groove 122, the cross section of the arcuate column groove 121 is arcuate, and the arcuate column groove 121 connects the circular hole portion 11 and the rectangular column groove 122; the cross section of the rectangular column groove 122 is rectangular, and the arcuate column groove 121 and the rectangular column groove 122 of a chip collecting portion 12 are distributed along a diameter of the circular hole portion 11, so that the cross section of each chip collecting portion 12 and the circular hole portion 11 is gourd-shaped. By designing the structure of the connecting hole 1, when the die-cast lamp body 101 is formed by the die-casting molding process, the connecting hole 1 can be formed on the die-cast lamp body 101 by the die-casting molding process, thereby eliminating the need for post-processing (such as drilling and tapping) of the formed die-cast lamp body 101, which effectively simplifies the production process, improves production efficiency, and reduces production costs.

[0038] Preferably, a connection hole 1 is provided at the bottom of the mounting cavity 2 of the die-cast lamp body 101; the light source is installed in the mounting cavity 2 of the die-cast lamp body 101 and is adjacent to the die-cast lamp body 101, the light sources are covered on the light source, and a through hole matching the connection hole 1 is provided on the light source bracket. When the die-cast lamp body 101, the light source and the light source bracket are assembled, the bolt 102 is passed through the through hole on the light source bracket and then threadedly connected with the circular hole portion 11 of the connection hole 1, thereby fixing the light source and the light source bracket on the die-cast lamp body 101. The heat dissipation fins 3 extend from the bottom of the mounting cavity 2 away from the opening of the mounting cavity 2. The provision of the heat dissipation fins 3 can enhance the heat dissipation effect of the die-cast lamp body 101 on the light source, thereby ensuring that the light source can work stably and reliably.

[0039] When the bolt 102 is screwed into the circular hole portion 11 of the connection hole 1, the metal cutting waste cut out by the bolt 102 can be moved to the chip collecting portion 12 for recovery under the rotation of the bolt 102, thereby effectively preventing the cut metal cutting waste from hindering the screwing of the bolt 102, making the assembly of the bolt 102 and the connection hole 1 easier and more efficient. Among them, the design of the circular hole portion 11 enables the bolt 102 to cut it evenly, so as to reduce the amount of cut metal cutting waste to a certain extent, and ensure that the circular hole portion 11 and the bolt 102 can be fixedly connected more reliably.

[0040] Furthermore, by designing the chip collecting portion 12, when the amount of metal cutting waste cut out is large, the metal cutting waste can be squeezed into the rectangular column groove 122 for secondary recovery, thereby ensuring the smoothness of the bolt 102 being screwed into the connecting hole 1. In addition, the design of the rectangular column groove 122 not only expands the amount of metal cutting waste collected by the chip collecting portion 12, but also ensures the overall strength of the connecting hole 1, so as to improve the reliability of the connection between the bolt 102 and the connecting hole 1, and prevent the connecting hole 1 from being deformed and damaged by the bolt 102. Among them, the number of chip collecting portions 12 is preferably three or four; for example, in the present embodiment, the number of chip collecting portions 12 is three. By designing the number of chip collecting portions 12, the chip collecting portion 12 can maximize the strength of the circular hole portion 11 while ensuring that the metal cutting waste cut out during the assembly of the bolt 102 is fully recovered, thereby ensuring the reliability of the connection between the circular hole portion 11 and the bolt 102.

[0041] Combination Figure 5, the arc of the cross section (i.e., quasi-arc) of the arc-shaped column groove 121 of the chip collecting portion 12 can be a major arc, a semicircular arc, or a minor arc; as in the present embodiment, the arc of the cross section of the arc-shaped column groove 121 of the chip collecting portion 12 is a major arc, so that the chip collecting portion 12 has a greater ability to recover metal cutting waste. It should be noted that the shape of the chip collecting portion 12 can be changed according to the stud structure, thread structure, interference between the circular hole portion 11 and the stud of the bolt 102, etc., to ensure that the chip collecting portion 12 can completely recover the metal cutting waste cut by the bolt 102, and make the connecting hole 1 in a more optimal structure.

[0042] In addition, the first diameter R1 of the circular hole portion 11 is preferably 2 to 2.5 times the chord length L of the arcuate shape (i.e., the cross section of the arcuate column groove 121 of the chip collecting portion 12); and the first diameter R1 is 2 to 2.5 times the second diameter R2 of the arcuate shape, and the second diameter R2 is 2.5 to 6 times the width W of the rectangle, wherein the width W is parallel to the chord of the arcuate shape. This design can ensure the strength of the connecting hole 1, and enable the chip collecting portion 12 to recycle all the metal cutting waste cut out when the bolt 102 is assembled, so as to prevent the metal cutting waste from hindering the assembly of the bolt 102. Preferably, the first diameter R1 of the circular hole portion 11 is preferably between 2.65 mm and 2.75 mm.

[0043] Furthermore, the circular hole portion 11 is provided with an oblique chamfer 111 at the entrance of the connecting hole 1. When the bolt 102 is screwed into the circular hole portion 11, the oblique chamfer 111 can guide the bolt 102, so that the bolt 102 can be screwed into the circular hole portion 11 more accurately, and the bolt 102 and the circular hole portion 11 can be better coaxially assembled.

[0044] In summary, it can be seen that, through the design of the die-cast lamp body 101 of the lamp 100, the lamp 100 has the advantages of being easy to produce, having high production efficiency and low production cost.

[0045] Lighting system embodiment

[0046] The lighting system includes a control terminal and the lamp described in the above-mentioned lamp embodiment, the control terminal is electrically connected to the control unit of the lamp, and / or the control terminal exchanges information with the control unit. Wherein, the control terminal can be a conventional control panel (such as a mechanical switch panel), an intelligent control panel or a remote control. When the control terminal is a conventional control panel, the control terminal is electrically connected to the control unit. When the control terminal is an intelligent control panel or a remote control, the control unit includes a first wireless communication module, and a second wireless communication module is provided on the control terminal; the control terminal is electrically connected to the control unit, and / or the first wireless communication module exchanges information with the second wireless communication module. In addition, the control terminal can also be an intelligent mobile terminal (such as a mobile phone, a tablet computer, an intelligent wearing device, etc.), and can also be an artificial intelligence robot; by setting the above-mentioned lamp, the lighting system has the advantage of low cost.

[0047] Finally, it should be emphasized that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various changes and modifications. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. Die-cast lamp body, characterized by: A connecting hole is die-cast on the die-cast lamp body, and the connecting hole has a circular hole portion and a plurality of chip collecting portions, and the plurality of chip collecting portions are distributed around the periphery of the circular hole portion, and the chip collecting portion has an arched column groove and a rectangular column groove, and the arched column groove connects the circular hole portion and the rectangular column groove, and the cross-section of the arched column groove is arch-like, and the cross-section of the rectangular column groove is rectangular-like, and the cross-section of each chip collecting portion and the circular hole portion is gourd-shaped.

2. The die-cast lamp body according to claim 1, characterized in that: The arc of the arc-like shape is a major arc, a semicircular arc or a minor arc.

3. The die-cast lamp body according to claim 2, characterized in that: The first diameter of the circular hole portion is 2 to 2.5 times the length of the chord of the bow-like shape; The first diameter is 2 to 2.5 times the second diameter of the arcuate shape; The second diameter is 2.5 to 6 times the width of the quasi-rectangle, and the width is parallel to the chord of the quasi-bow.

4. The die-cast lamp body according to claim 3, characterized in that: The first diameter is between 2.65 mm and 2.75 mm.

5. The die-cast lamp body according to claim 3, characterized in that: The circular hole portion is provided with an oblique chamfer at the entrance of the connecting hole.

6. The die-cast lamp body according to any one of claims 1 to 5, characterized in that: The number of the chip collecting parts is three or four.

7. The die-cast lamp body according to any one of claims 1 to 5, characterized in that: The die-cast lamp body also has an installation cavity and heat dissipation fins. The bottom of the installation cavity is provided with the connection hole, and the heat dissipation fins extend from the bottom of the installation cavity away from the opening of the installation cavity.

8. The die-cast lamp body according to claim 7, characterized in that: The die-cast lamp body is made of ADC12 aluminum alloy material.

9. A lamp, including a bolt, characterized in that: The lamp further comprises a die-cast lamp body as claimed in any one of claims 1 to 8, and the bolt is threadedly connected to the circular hole portion.

10. A lighting system, including a control terminal, characterized in that: The lighting system further comprises the lamp as claimed in claim 9, the lamp further comprising a control unit and a light source, the light source being mounted in the die-cast lamp body and electrically connected to the control unit; The control terminal is electrically connected to the control unit, and / or The control terminal exchanges information with the control unit.

Citation Information

Patent Citations

  • Connecting hole injection molding structure, injection molding part and electrical equipment

    CN220904160U