Double-resistor sealing waterproof bulb

Abstract

The utility model relates to the technical field of lamps, and discloses a double-resistance sealing waterproof bulb which comprises a threaded lamp cap, a lampshade and a core column structure, the threaded lamp cap is fixedly connected with the lampshade, and the core column structure comprises a waterproof rubber base and a vertical light source plate. The waterproof rubber base comprises an upper inserting part and a lower assembling part which are integrally formed, the lower assembling part is arranged at the opening part of the lampshade, and the lower assembling part and the opening part of the lampshade are matched with each other to form a filling concave position; compared with the prior art, the LED lamp core column has the advantages that a core column structure of an existing LED lamp is improved, connection of the lamp strip and the waterproof rubber base is changed into an inserting connection mode, and therefore the production process of the lamp core column is obviously simplified, repeated positioning welding is not needed for core column forming, and the forming efficiency of the lamp is effectively improved; the sealing glue layer is arranged between the lampshade and the waterproof glue base in a matched mode, external moisture is thoroughly isolated from the outside of the lampshade through the sealing glue layer, and the waterproof performance of the lamp is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lamp technical field especially relates to a double electric resistance sealing waterproof type bulb. BACKGROUND

[0002] As a new energy-saving lighting device, LED bulb is gradually replacing traditional lighting products in the world and becoming the first choice of modern home and commercial lighting. LED, which stands for Light Emitting Diode, is a kind of solid-state semiconductor device that can directly convert electric energy into visible light. Since its invention in the 1960s, LED technology has undergone long-term development and now shows significant advantages in the field of home lighting.

[0003] The existing LED bulb needs to weld metal wires at both ends of the lamp strip to realize the electrical connection between the lamp strip and the threaded lamp holder. This requires at least two electrical weldings during the molding process, and the positioning welding of the lamp strip must also be performed. The structure of the bulb requires a higher production process, increases the time consumption of molding a single bulb, and leads to low production efficiency of the bulb. On the other hand, the existing LED bulb can only achieve waterproofing through the glue sealing connection between the threaded lamp holder and the spherical lamp shade. However, through actual use of the bulb, it is found that external moisture still easily enters the inside of the lamp shade, affecting the service life of the bulb. Therefore, further improvement of the existing bulb is needed. SUMMARY

[0004] The utility model aims at the deficiency of prior art, provides a double electric resistance sealing waterproof type bulb, it has the characteristics such as high production efficiency, high waterproof.

[0005] To achieve the above-mentioned purpose, the utility model is a double electric resistance sealing waterproof type bulb, which comprises a threaded lamp holder, a lamp shade and a stem structure, the threaded lamp holder is fixedly connected with the lamp shade, the stem structure comprises a waterproof rubber base and a vertical light source plate; the waterproof rubber base comprises an integrally formed upper insertion part and a lower assembly part, the lower assembly part is arranged at the mouth of the lamp shade, and the lower assembly part and the mouth of the lamp shade are mutually matched to form a filling recess, the filling recess is filled with a sealing glue layer; the upper insertion part is provided with a insertion slot for assembling the vertical light source plate; the inner side of the insertion slot is provided with at least two conductive wires, one of which is electrically connected with the positive electrode of the threaded lamp holder, and the other is electrically connected with the negative electrode of the threaded lamp holder; the middle part of the two conductive wires is electrically connected with a heat dissipation resistor; the vertical light source plate comprises at least a substrate and light emitting beads arranged on two opposite surfaces of the substrate, the substrate is provided with two conductive contacts, one end of the substrate is inserted into the insertion slot and the conductive contacts are in electrical conduction with the conductive wires, and the other end of the substrate extends into the lamp shade.

[0006] Preferably, the lower assembling part is provided with a containing groove for positioning the heat-dissipating resistor, and the containing groove is communicated with the insertion groove through an upper end opening.

[0007] Preferably, the insertion groove comprises a first side wall and a second side wall, and the upper end opening is close to the first side wall or the second side wall.

[0008] Preferably, the first side wall is provided with a first protruding part or the second side wall is provided with a second protruding part, and the first protruding part or the second protruding part is pressed against the base plate to make the conductive contact closely contact with the conductive wire.

[0009] Preferably, the two conductive wires are extended out of the insertion groove and are provided with bending parts.

[0010] Preferably, the top end of the upper insertion part is provided with a positioning block for assisting in positioning the waterproof rubber base.

[0011] Preferably, the base plate is formed of PVC material.

[0012] Preferably, the base plate is T-shaped, and the base plate comprises an insertion part and a light source part, the insertion part is used for being inserted into the insertion groove, and the width of the insertion part is greater than that of the light source part, and the light-emitting lamp bead is arranged on the light source part.

[0013] Preferably, the conductive contact is a long strip block and is arranged on the surface of the insertion part.

[0014] Preferably, the end part of the insertion part is provided with linear chamfers on both sides.

[0015] Advantages: compared with the prior art, the utility model discloses a double-resistor sealed waterproof type bulb, and the utility model has the following advantages: 1, the core column structure of the existing LED lamp is improved, the connection between the lamp strip and the waterproof rubber base is changed into the insertion type, thereby remarkably simplifying the production process of the lamp core column, the core column forming no longer needs to be positioned and welded for many times, and the forming efficiency of the lamp is effectively improved;2, the sealing rubber layer is arranged between the lampshade and the waterproof rubber base, the sealing rubber layer completely separates the external moisture from the outside of the lampshade, and the waterproof performance of the lamp is greatly improved;3, the technical scheme is a double-resistor scheme, the double-resistor scheme can further seal the waterproof rubber base and play the role of positioning the conductive wire, can also save the process of welding the resistor on the vertical light source plate, and further reduces the production cost. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic view of the utility model.

[0017] Figure 2 It is the filling recess structure schematic view of the utility model.

[0018] Figure 3 It is the sealing rubber layer structure schematic view of the utility model.

[0019] Figure 4 The core column structure decomposition structure schematic view of the utility model.

[0020] Figure 5 The plug-in slot internal structure schematic view of the utility model.

[0021] Figure 6 The waterproof rubber base internal structure schematic view of the utility model.

[0022] The reference signs include:

[0023] Threaded lamp holder - 1, lampshade - 2, core column structure - 3, waterproof rubber base - 4, upper plug-in part - 41, plug-in slot - 411, conductive wire - 412, heat dissipation resistance - 413, bending part - 414, first side wall - 415, second side wall - 416, first protruding part - 417, positioning block - 418, second protruding part - 419, notch - 420, lower assembly part - 42, accommodating groove - 421, upper end opening - 422, vertical light source plate - 5, base plate - 51, conductive contact - 511, insertion part - 513, light source part - 514, luminous lamp bead - 52, filling recess - 6, sealing glue layer - 61, linear chamfer - 7. DETAILED DESCRIPTION

[0024] The following will be combined with the accompanying Figures 1 to 6 The utility model is explained in detail.

[0025] The utility model relates to a double-resistance sealed waterproof type bulb, including threaded lamp holder 1, lampshade 2 and core column structure 3, threaded lamp holder 1 is fixedly connected with lampshade 2, the core column structure 3 includes waterproof rubber base 4 and vertical light source plate 5, the waterproof rubber base 4 includes integrally formed upper plug-in part 41 and lower assembly part 42, the lower assembly part 42 is set up in the mouth portion of lampshade 2, and the lower assembly part 42 and the mouth portion of lampshade 2 are mutually matched to form filling recess 6, the filling recess 6 is filled with sealing glue layer 61, the upper plug-in part 41 is opened with the plug-in slot 411 for assembling vertical light source plate 5, the inner side of plug-in slot 411 is provided with at least two conductive wires 412, one of which is electrically connected with the positive pole of threaded lamp holder 1, and the other is electrically connected with the negative pole of threaded lamp holder 1, the middle part of the two conductive wires 412 is electrically connected with heat dissipation resistance 413, vertical light source plate 5 includes at least base plate 51 and luminous lamp bead 52 arranged on the two opposite surfaces of base plate 51, base plate 51 is provided with two conductive contacts 511, one end of base plate 51 is inserted into plug-in slot 411 and makes conductive contact 511 and conductive wire 412 mutually conductive, the other end of base plate 51 extends into lampshade 2.

[0026] The utility model has the following advantages: 1, the core column structure of the existing LED lamp is improved, the connection between the light bar and the waterproof rubber base is changed into a simpler plug-in conductive form, thereby significantly simplifying the production process of the lamp core column, the core column forming no longer needs to be positioned and welded for multiple times, and the forming efficiency of the lamp is effectively improved; 2, a sealing rubber layer is arranged between the lampshade and the waterproof rubber base, the sealing rubber layer completely isolates external moisture from the outside of the lampshade, greatly improves the waterproof performance of the lamp, and is beneficial to prolonging the service life of the lamp; 3, the technical scheme is a double-resistor scheme, the double-resistor scheme can further seal the waterproof rubber base and play the role of positioning the conductive wire, and at the same time, the process of welding resistors on the vertical light source plate can be omitted, thereby further reducing the production cost.

[0027] As an embodiment, the lower assembly part 42 is provided with a containing groove 421 for positioning and containing the heat dissipation resistor 413, and the containing groove 421 is communicated with the insertion groove 411 through an upper end opening 422.

[0028] As preferred, the insertion groove 411 comprises a first side wall 415 and a second side wall 416; and the upper end opening 422 is close to the first side wall 415 or the second side wall 416. Figure 5 As shown in the figure, the upper end opening 422 is not located at the middle position of the insertion groove 411, but is deviated to the front and rear sides of the insertion groove 411, thereby forming a deviated containing groove 421, and the structure of the deviated position design can prevent the vertical light source plate 5 from colliding with the conductive wire 412 during production and assembly, and ensure that the vertical light source plate 5 is smoothly inserted into the insertion groove 411.

[0029] In order to further improve the technical scheme, the first side wall 415 is provided with a first protruding part 417 or the second side wall 416 is provided with a second protruding part 419, the first protruding part 417 or the second protruding part 419 is pressed against the substrate 51 to make the conductive contact 511 tightly contact with the conductive wire 412.

[0030] As preferred, the two conductive wires 412 extend out of the insertion groove 411 and are formed with bending parts 414, the conductive wire 412 hooks the side wall of the insertion groove 411 to form the positioning installation of the conductive wire 412; secondly, the arc-shaped bending part formed after the conductive wire 412 is bent has elasticity, and the elasticity makes the conductive wire 412 and the conductive contact 511 can always keep close contact, thereby making the conductive wire 412 have good conductive contact. In order to further position the bending part 414, a small gap 420 is formed at the top of the side wall of the insertion groove 411 for containing the bending part 414, thereby forming the positioning of the bending part 414.

[0031] In the technical solution, the top end of the upper inserting part 41 is provided with a positioning block 418.

[0032] The conventional substrate 51 is usually formed of ceramic material, but the ceramic substrate 51 is easy to break and has a short service life.

[0033] In the utility model, the substrate 51 is T-shaped, and the substrate 51 comprises an inserting part 513 and a light source part 514, wherein the inserting part 513 is used for being mutually inserted with the slot 411, and the width of the inserting part 513 is greater than that of the light source part 514, so that the contact area with the slot 411 is enlarged, and the inserting part 513 can stably support the light source part 514; and the light-emitting lamp bead 52 is arranged on the light source part 514.

[0034] Preferably, the conductive contact 511 is in a strip block shape and arranged on the surface of the inserting part 513.

[0035] Preferably, the two sides of the end of the inserting part 513 are provided with linear chamfers 7, so that there are arc-shaped buffer feet at the bottom ends of the two sides of the inserting part 513.

[0036] The above is only the preferred embodiment of the utility model, and for those skilled in the art, the specific implementation and application range can be changed according to the utility model, and the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A double-resistance sealed waterproof type bulb comprising a threaded base (1), a lampshade (2) and a stem structure (3), the threaded base (1) being fixedly connected with the lampshade (2), characterized in that: The core column structure (3) comprises a waterproof rubber base (4) and a vertical light source plate (5); The waterproof rubber base (4) comprises an integrally formed upper insertion part (41) and a lower assembly part (42), the lower assembly part (42) is arranged at the mouth of the lampshade (2), and the lower assembly part (42) and the mouth of the lampshade (2) are matched to form a filling recess (6) therebetween, the filling recess (6) is filled with a sealing glue layer (61); the upper insertion part (41) is provided with an insertion slot (411) for assembling the vertical light source plate (5); the inner side of the insertion slot (411) is provided with at least two conductive wires (412), one of which is electrically connected to the positive electrode of the threaded lamp holder (1), and the other is electrically connected to the negative electrode of the threaded lamp holder (1); the middle part of the two conductive wires (412) is electrically connected to a heat dissipation resistor (413); The vertical light source plate (5) comprises at least a substrate (51) and light emitting lamp beads (52) arranged on the two opposite surfaces of the substrate (51), the substrate (51) is provided with two conductive contacts (511), one end of the substrate (51) is inserted into the insertion slot (411) and the conductive contacts (511) are in electrical connection with the conductive wires (412), and the other end of the substrate (51) extends into the lampshade (2).

2. A dual resistance sealed, waterproof type light bulb as defined in claim 1, wherein: The lower assembly part (42) is provided with a containing groove (421) for positioning the heat dissipation resistor (413), and the containing groove (421) is communicated with the insertion slot (411) through an upper end opening (422).

3. A dual resistance sealed, waterproof type light bulb as defined in claim 2, wherein: The insertion slot (411) comprises a first side wall (415) and a second side wall (416); and the upper end opening (422) is close to the first side wall (415) or the second side wall (416).

4. A dual resistance sealed, water-proof type light bulb as defined in claim 3, wherein: The first side wall (415) is provided with a first protruding part (417) or the second side wall (416) is provided with a second protruding part (419), the first protruding part (417) or the second protruding part (419) is in abutting pressure with the substrate (51) to make the conductive contacts (511) in close contact with the conductive wires (412).

5. A dual resistance sealed, waterproof type light bulb as defined in claim 1 wherein: The two conductive wires (412) extend out of the insertion slot (411) and form a bending part (414).

6. A dual resistance sealed, waterproof light bulb as defined in claim 1, wherein: The top end of the upper insertion part (41) is provided with a positioning block (418) for assisting in positioning the waterproof rubber base (4).

7. A dual resistance sealed, waterproof light bulb as defined in claim 1, wherein: The substrate (51) is made of PVC material.

8. A dual resistance sealed, waterproof light bulb as defined in claim 1, wherein: The substrate (51) is T-shaped, comprising an insertion part (513) and a light source part (514), the insertion part (513) is used for being inserted into the insertion slot (411), and the width of the insertion part (513) is greater than that of the light source part (514); and the light emitting lamp beads (52) are arranged on the light source part (514).

9. A dual resistance sealed, waterproof light bulb as defined in claim 8, wherein: The conductive contacts (511) are long strip-shaped and arranged on the surface of the insertion part (513).

10. A dual resistance sealed, waterproof type light bulb as defined in claim 8 wherein: Linear chamfers (7) are arranged on both sides of the end of the insertion part (513).

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