CN212929588U - Lamp fitting - Google Patents

Abstract

The utility model relates to a lamp, including the cell-shell that has the cavity, set up the stem in the cell-shell cavity and support the filament on the stem, the stem includes the base, first bracing piece that extends to the bottom surface of cavity from the base and set up the second bracing piece that just is located first bracing piece week side on the base, the both ends of filament are connected with first bracing piece and second bracing piece respectively, wherein, be provided with in the cell-shell and be used for producing the elastic element of elastic pressure in order to restrict first bracing piece and cell-shell relative movement to first bracing piece, elastic element fixes on first bracing piece and offsets with the internal surface of cell-shell. Compared with the prior art, the utility model provides a lamps and lanterns adopts elastic element, forms the packing force to first bracing piece and cell-shell respectively through elastic element, improves the supporting effect to first bracing piece, like this, can prevent that first bracing piece from rocking along with lamps and lanterns, avoids appearing filament solder joint and drops, the cracked phenomenon of stem.

Description

Lamp fitting

Technical Field

The utility model relates to a lamp.

Background

At present, decorative filament lamps are gradually favored by people. And the shape has appeared diversified, and the molding is various, because the shape is various, and the cell-shell is bigger, and the bracing piece of stem rocks in inside easily, leads to the filament solder joint to drop, risk such as stem fracture even.

Therefore, it is desirable to provide a new lamp which can effectively and reliably fix the stem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lamp to the stem that exists among the solution prior art rocks in the cell-shell easily, leads to the filament solder joint to drop, cracked technical problem of stem even.

In order to achieve the above object, the utility model adopts the following technical scheme: the lamp comprises a bulb shell with a cavity, a core column arranged in the cavity of the bulb shell and a lamp filament supported on the core column, wherein the core column comprises a base, a first supporting rod extending from the base to the bottom surface of the cavity and a second supporting rod arranged on the base and located on the periphery of the first supporting rod, two ends of the lamp filament are respectively connected with the first supporting rod and the second supporting rod, an elastic element used for generating elastic pressure on the first supporting rod to limit the relative movement of the first supporting rod and the bulb shell is arranged in the bulb shell, and the elastic element is fixed on the first supporting rod and abuts against the inner surface of the bulb shell.

Further, the elastic element is abutted against the bottom surface of the cavity of the bulb shell.

Further, the bulb shell comprises a cover portion and a wall portion connected with the cover portion, the first supporting rod comprises a vertical section extending from the base to the cover portion and a horizontal section extending from the outer end of the vertical section to the wall portion, and the elastic element is fixed on the horizontal section.

Further, the elastic element comprises at least one torsion spring member, and the at least one torsion spring member comprises a connecting section fixed on the horizontal section, a torsion arm section abutting against the inner surface of the bulb shell, and an elastic torsion section connected between the torsion arm section and the connecting section.

Further, the number of the torsion spring members is two, and the two torsion spring members are symmetrically arranged in the extending direction of the vertical section.

Further, the number of the torsion spring members is two, and the torsion arm sections of the two torsion spring members are arranged at intervals in the extending direction of the horizontal section.

Further, the number of the torsion spring members is two, and the torsion arm section of each torsion spring member extends from the torsion section to the cover part and obliquely to the wall part; the torsion arm sections of the two torsion spring components are arranged in a staggered mode in the extending direction of the vertical sections.

Further, the filament spirally extends from the outer end of the first support rod to the second support rod along the direction parallel to the extending direction of the first support rod, and the filament is wound outside the first support rod.

Further, the filament includes a substrate and a light emitting diode chip disposed on the substrate.

Further, the first support rod and/or the second support rod are nickel support rods.

Compared with the prior art, the utility model provides a lamp adopts elastic element, can produce elastic pressure in order to restrict first bracing piece and cell-shell relative movement to first bracing piece, elastic element fixes on first bracing piece and offsets with the internal surface of cell-shell, and like this, form the packing force respectively to first bracing piece and cell-shell through elastic element, improve the supporting effect to first bracing piece, and like this, can prevent that first bracing piece from rocking and rocking along with lamps and lanterns, avoid appearing the filament solder joint and drop, the cracked phenomenon of stem.

Drawings

Fig. 1 is a schematic perspective view of a lamp provided in an embodiment of the present invention;

fig. 2 is an exploded schematic view of a lamp provided in an embodiment of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic cross-sectional view of a lamp provided in an embodiment of the present invention;

fig. 5 is a schematic view of a partial structure of a lamp according to an embodiment of the present invention.

Description of the main elements

100-a lamp; 1-cell shell; 1 a-a cavity; 11-a cover part; 12-a wall portion; 2-core column; 21-a base; 22-a first support bar; 221-vertical section; 222-a horizontal segment; 223-an extension section; 23-a second support bar; 3-a filament; 4-a resilient element; 4 a-a torsion spring member; 41-connecting section; 42-torque arm section; 43-torsion section; 5-lamp holder seat; 6-driving the board.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It is to be understood that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description is provided for the implementation of the present invention with reference to the specific drawings.

For convenience of description, the terms "left", "right", "up" and "down" used hereinafter are the same as the left, right, up and down directions of the drawings, but do not limit the structure of the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

As shown in fig. 1 to 5, the lamp 100 provided in this embodiment includes a bulb 1 having a cavity 1a, a stem 2 disposed in the cavity 1a of the bulb 1, and a filament 3 supported on the stem 2, wherein the stem 2 includes a base 21, a first support rod 22 extending from the base 21 to a bottom surface of the cavity 1a, and a second support rod 23 disposed on the base 21 and located on a peripheral side of the first support rod 22, two ends of the filament 3 are respectively connected to the first support rod 22 and the second support rod 23, an elastic element 4 for generating an elastic pressure on the first support rod 22 to limit a relative movement between the first support rod 22 and the bulb 1 is disposed in the bulb 1, and the elastic element 4 is fixed on the first support rod 22 and abuts against an inner surface of the bulb 1.

In the lamp 100, the elastic element 4 is adopted, elastic pressure can be generated on the first supporting rod 22 to limit the relative movement of the first supporting rod 22 and the bulb shell 1, the elastic element 4 is fixed on the first supporting rod 22 and abuts against the inner surface of the bulb shell 1, and thus, the elastic element 4 respectively forms pressing force on the first supporting rod 22 and the bulb shell 1, so that the supporting effect on the first supporting rod 22 is improved, and thus, the first supporting rod 22 can be prevented from shaking along with the lamp 100, and the phenomena that welding points of the lamp filament 3 fall off and the stem 2 is broken are avoided.

Referring to fig. 1, 2 and 4, the lamp 100 of the present embodiment includes a bulb 1, a stem 2, a filament 3, a base 5 and a driving board 6, the bulb 1 has a cavity 1a, the filament 3 is supported on the stem 2 and both are disposed in the cavity 1a, the base 5 is mounted on the bulb 1, the driving board 6 is disposed in the base 5, and the filament 3 is electrically connected to the driving board 6 through the stem 2. In the present embodiment, the bulb 1 includes a cover portion 11 and a wall portion 12 connected to the cover portion 11, and the base 5 is attached to a lower end (lower end shown) of the wall portion 12 of the bulb 1, and is connected and fixed by any conventional fixing means such as a screw, an engagement, and an interference fit.

Referring to fig. 2 to 5, the stem 2 includes a base 21, a first support rod 22 extending from the base 21 to the bottom surface of the cavity 1a, and a second support rod 23 disposed on the base 21 and located on the periphery of the first support rod 22, both ends of the filament 3 are connected to the first support rod 22 and the second support rod 23, respectively, in this embodiment, the base 21 has a circular cross section, the first support rod 22 extends straight from the central portion of the surface of the base 21 to the central portion of the cover portion 11 of the bulb 1, the number of the second support rods 23 is, but not limited to, one, and the first support rod 22 and the second support rod 23 are, but not limited to, nickel support rods. The filament 3 extends spirally from an outer end (an illustrated upper end) of the first support rod 22 to the second support rod 23 in a direction parallel to the extending direction of the first support rod 22, the filament 3 is wound outside the first support rod 22, and both ends of the filament 3 are welded and fixed to the first support rod 22 and the second support rod 23, respectively.

In other embodiments, the filament 3 is located on the periphery side of the first support rod 22, and one end of the filament 3 is connected to the outer end of the first support rod 22, and the other end is connected to the second support rod 23.

In another embodiment, the number of the second support rods 23 is plural, and the second support rods 23 are arranged at intervals along the circumferential direction of the first support rod 22, the number of the filaments 3 is plural, and the filaments 3 correspond to the plural second support rods 23, each filament 3 may be a straight strip or an arc strip, one end of each filament 3 is connected to the outer end of the first support rod 22, and the other end is connected to the corresponding second support rod 23.

Referring to fig. 2 to 4, in the present embodiment, the filament 3 includes a transparent substrate and a light emitting diode chip disposed on the substrate, one end of the substrate is welded to the first support pillar 22, and the other end is welded to the second support pillar.

With continued reference to fig. 2 to 5, an elastic element 4 for generating an elastic pressure on the first supporting rod 22 to limit the relative movement between the first supporting rod 22 and the blister 1 is disposed in the blister 1, and the elastic element 4 is fixed on the first supporting rod 22 and abuts against the inner surface of the blister 1. In this embodiment, one end of the elastic element 4 is fixed to the first supporting rod 22, and the other end of the elastic element 4 abuts against the bottom surface of the cavity 1a of the bulb 1 (i.e., the inner surface of the cover 11), and forms abutting pressure on the elastic element 4 and the bulb 1, when the lamp 100 shakes, the abutting pressure of the elastic element 4 can keep the position of the first supporting rod 22, and the first supporting rod 22 is prevented from shaking relative to the bulb 1.

In other embodiments, the elastic element 4 is fixed to the first support bar 22 and is in abutment with the inner surface of the wall 12.

Referring to fig. 2, 3 and 5, in the present embodiment, the first support rod 22 is substantially L-shaped, the first support rod 22 includes a vertical section 221 extending from the base 21 to the cover 11 and a horizontal section 222 extending from an outer end of the vertical section 221 to the wall 12, and the elastic member 4 is welded and fixed to the horizontal section 222. In this way, the mounting and fixing of the elastic element 4 can be facilitated. Specifically, the first support rod 22 further includes an extension 223 extending from the horizontal section 222 toward the base 21 (downward as shown), and one end of the filament 3 is welded to the extension 223.

Referring to fig. 2 and 3, the elastic element 4 of the present embodiment may be a metal member having a function of a torsion spring, and includes a torsion spring member 4a, the torsion spring member 4a includes a connecting section 41 fixed on the horizontal section 222, a torsion arm section 42 abutting against the inner surface of the bulb 1, and an elastic torsion section 43 connected between the torsion arm section 42 and the connecting section 41, and an end of the torsion arm section 42 abutting against the bulb 1 is substantially hook-shaped. Thus, after the stem 2 and the bulb shell 1 are mounted, the torsion arm section 42 abuts against the inner surface of the hood 11 and is pressed to rotate around the center of the torsion section 43 so as to compress the torsion section 43 to form torsion, thereby respectively forming pressing forces on the first support rod 22 and the bulb shell 1, and avoiding the first support rod 22 of the stem 2 from shaking due to loose fit when the lamp 100 shakes. It should be noted that the elastic element 4 with this structure has a small volume and does not affect the light emitting effect.

In other embodiments, the resilient member 4 may be a leaf spring, one end of which is fixed to the first support bar 22 and the other end of which may abut against the inner surface of the hood 11 or the inner surface of the wall 12.

In a further embodiment, the resilient element 4 may be a compression spring.

Referring to fig. 2 to 4, in the present embodiment, the number of the torsion spring members 4a is, but not limited to, two, and the two torsion spring members 4a are symmetrically disposed in the extending direction of the vertical section 221. The two torsion spring members 4a are integrally formed, the connecting sections 41 of the torsion spring members 4a are connected with each other and welded on the horizontal section 222 of the first support rod 22, and the torsion arm sections 42 of the two torsion spring members 4a are respectively abutted against the left half shell (the left half shell of the bulb 1 in the figure) and the right half shell (the right half shell of the bulb 1 in the figure) of the bulb 1, it can be understood that, by forming two elastic contact points on the cover portion 11 of the bulb 1, when the lamp 100 swings left and right (left and right in the figure), the rotation force generated by the torsion sections 43 of the two torsion spring members 4a keeps the center of the first support rod 22 aligned with the center of the cover portion 11 of the bulb 1 all the time.

As can be seen from fig. 5, in the present embodiment, the torsion arm sections 42 of the two torsion spring members 4a are arranged at intervals in the extending direction of the horizontal section 222. It can be understood that the torsion arm sections 42 are not in the same straight line, and when the lamp 100 swings back and forth (back and forth direction shown in the figure), two elastic contact points are formed on the cover portion 11 of the bulb 1 to prevent the first support rod 22 from moving relative to the bulb 1, so that the support effect on the first support rod 22 can be further improved, and the first support rod 22 is prevented from swinging along with the lamp 100.

Referring back to fig. 2 to 4, in the present embodiment, the torsion arm section 42 of each torsion spring member 4a extends obliquely from the torsion section 43 toward the hood 11 and toward the wall 12; the torsion arm sections 42 of the two torsion spring members 4a are staggered in the extending direction of the vertical sections 221. It is easy to understand that the elastic elements 4 arranged in a staggered way have more compact volume and the influence of the light emitting effect is minimal.

In other embodiments, the torsion arm sections 42 of the two torsion spring members 4a may each extend obliquely outwardly (i.e., to the side away from the other torsion spring member 4 a).

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims (10)

1. The utility model provides a lamp, is in including bubble shell, the setting that has the cavity stem and the support in the bubble shell cavity are in filament on the stem, the stem includes the base, follows the base to first bracing piece and the setting that the bottom surface of cavity extends are in just be located on the base the second bracing piece of first bracing piece week side, the both ends of filament respectively with first bracing piece with the second bracing piece is connected, its characterized in that, it is right to be provided with in the bubble shell first bracing piece produces elastic pressure in order to restrict first bracing piece with the elastic element of bubble shell relative movement, elastic element fixes on the first bracing piece and with the internal surface of bubble shell offsets.

2. A light fixture as recited in claim 1, wherein said resilient element abuts a bottom surface of a cavity of said envelope.

3. A lamp as recited in claim 1, wherein the bulb includes a cap portion and a wall portion connected to the cap portion, the first support rod including a vertical section extending from a base to the cap portion and a horizontal section extending from an outer end of the vertical section to the wall portion, the resilient element being secured to the horizontal section.

4. A light fixture as recited in claim 3, wherein the resilient element comprises at least one torsion spring member comprising a connection section secured to the horizontal section, a torsion arm section abutting an inner surface of the bulb, and a resilient torsion section connected between the torsion arm section and the connection section.

5. A light fixture as recited in claim 4, wherein the number of said torsion spring members is two, and two of said torsion spring members are symmetrically disposed in a direction of extension of said vertical section.

6. The light fixture of claim 4, wherein the number of the torsion spring members is two, and the torsion arm sections of the two torsion spring members are spaced apart in the extending direction of the horizontal section.

7. A light fixture as recited in claim 4, wherein the number of said torsion spring members is two, a torsion arm section of each said torsion spring member extending obliquely from said torsion section to said shroud portion and to said wall portion; the torsion arm sections of the two torsion spring members are arranged in a staggered mode in the extending direction of the vertical section.

8. A lamp as recited in any one of claims 1-7, wherein the filament extends helically from an outer end of the first support rod to the second support rod in a direction parallel to the direction in which the first support rod extends, and the filament is wound around the outside of the first support rod.

9. The luminaire of any one of claims 1 to 7, wherein the filament comprises a substrate and a light emitting diode chip disposed on the substrate.

10. A light fixture as recited in any one of claims 1-7, wherein the first support bar and/or the second support bar is a nickel support bar.

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