CN216897165U

CN216897165U - Improved bayonet lamp cap

Info

Publication number: CN216897165U
Application number: CN202123135736.4U
Authority: CN
Inventors: 嵇文州
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-07-05
Anticipated expiration: 2031-12-14

Abstract

The utility model belongs to the technical field of lighting, and particularly relates to an improved bayonet lamp holder which comprises a metal shell, a plastic insulator and a fixed pin shaft.

Description

Improved bayonet lamp cap

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the technical field of illumination, and particularly relates to an improved bayonet lamp cap.

[ background ] A method for producing a semiconductor device

Most of traditional bayonet lamp holders are formed by respectively installing two metal pin shafts at 180-degree symmetrical positions on the circumferential side wall of a metal shell and then performing injection molding, but the bayonet lamp holders easily cause the displacement or the angle rotation of the two metal pin shafts when in injection molding, so that the two originally 180-degree symmetrical metal pin shafts become asymmetrical, and the product yield is low, the conventional bayonet lamp holders adopt one metal pin shaft to radially penetrate through the metal shell, the two ends of the metal pin shaft protrude out of the outer side wall of the metal shell and then wrap and fix the metal pin shaft through a plastic insulator, but the bayonet lamp holders easily cause the falling off and the size change of the metal pin shaft under the conditions that equipment vibrates after electroplating and later-stage production, and in the injection molding production process, gaps left after the metal pin shaft penetrates through the metal shell can cause glue leakage and increase defective products, and the metal pin shafts are wrapped and fixed only through the injection molding plastic insulator, when the product is used, the metal pin shaft is not high in firmness and is easy to loosen and fall off, and safety accidents are easy to cause.

[ Utility model ] A method for manufacturing a semiconductor device

The utility model provides an improved bayonet lamp cap aiming at the problems pointed out by the background technology.

The utility model is realized by the following technical scheme:

the utility model provides an improvement type bayonet socket lamp holder, includes metal casing, plastic insulator and fixed pin axle, be equipped with the perforating hole on the relevant position of metal casing both sides wall, fixed pin axle passes perforating hole and both ends protrusion respectively in the metal casing lateral wall to at the protruding both ends of metal casing lateral wall of fixed pin axle and warp in order to fix.

According to the improved bayonet lamp cap, the fixed pin shaft protrudes out of two ends of the outer side wall of the metal shell and is extruded and deformed along the radial direction of the fixed pin shaft or extruded and deformed along the axial direction of the fixed pin shaft.

According to the improved bayonet lamp cap, the plastic insulator is provided with the two oppositely arranged clamping plates, the distance between the two clamping plates is smaller than the diameter of the fixing pin shaft, and the fixing pin shaft penetrates through the metal shell and between the two clamping plates and is clamped and fixed by the two clamping plates.

According to the improved bayonet lamp cap, the outer wall of the fixing pin shaft is provided with the plurality of fixing convex rings which are arranged in an axial direction, and the inner walls of the two clamping plates and the plastic insulator are provided with the fixing grooves which are matched with the fixing convex rings.

According to the improved bayonet lamp cap, the outer wall of the fixing pin shaft is provided with the plurality of fixing ring grooves which are arranged in an axial direction, and the inner wall of the clamping plate and the plastic insulator are provided with the fixing bulges matched with the fixing ring grooves.

In the improved bayonet lamp holder, the through hole is provided with the inward-turning burr extending towards the inside of the metal shell.

In the above improved bayonet cap, the fixing pin is in interference fit with the through hole.

According to the improved bayonet lamp cap, the plastic insulator is provided with the wire outlet hole communicated with the metal shell, and the inner wall of the wire outlet hole is provided with the wire pressing grooves arranged at intervals along the circumferential direction of the wire outlet hole.

Compared with the prior art, the utility model has the following advantages:

1. the utility model provides an improved bayonet lamp holder, which comprises a metal shell, a plastic insulator and a fixed pin shaft, wherein the plastic insulator is firstly injected on the metal shell by an injection molding machine, then through holes are formed in corresponding positions of two side walls of the metal shell, the fixed pin shaft penetrates through the through holes, two ends of the fixed pin shaft respectively protrude out of the outer side wall of the metal shell, the fixed pin shaft protrudes out of two ends of the outer side wall of the metal shell to deform and fix, the radial length of the fixed pin shaft protruding out of the two ends of the outer side wall of the metal shell is increased by adopting a deformation technology, so that the fixed pin shaft cannot fall off from the metal shell, the firmness of the lamp holder is greatly improved, and the lamp cannot generate short circuit or fall off due to the looseness of the lamp holder during working.

2. According to the utility model, the two oppositely arranged clamping plates are arranged on the plastic insulator, the distance between the two clamping plates is smaller than the diameter of the fixed pin shaft, so that the fixed pin shaft is positioned between the two clamping plates and clamped and fixed by the two clamping plates when passing through the metal shell, meanwhile, the fixed pin shaft and the clamping plates are respectively provided with the matched fixed convex ring and fixed groove, the fixed pin shaft is clamped by the two clamping plates and positioned and fixed by the fixed convex ring and the fixed groove, and the structure of the lamp holder is firmer and is not easy to loosen.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is an exploded view of example 1 of the present invention;

FIG. 3 is a first schematic cross-sectional view of embodiment 1 of the present invention;

FIG. 4 is a schematic sectional view of example 1 of the present invention;

fig. 5 is a schematic cross-sectional view of the embodiment 1 of the present invention after a fixing pin is hidden;

fig. 6 is a schematic cross-sectional structure diagram of embodiment 2 of the present invention.

[ detailed description ] embodiments

In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

When embodiments of the present invention refer to the ordinal numbers "first", "second", etc., it should be understood that the words are used for distinguishing between them unless the context clearly dictates otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In embodiment 1, as shown in fig. 1 to 5, an improved bayonet lamp holder includes a metal shell 1, a plastic insulator 2, and a fixing pin 3, wherein through holes 4 are formed at corresponding positions of two side walls of the metal shell 1, the fixing pin 3 passes through the through holes 4, and two ends of the fixing pin 3 respectively protrude out of an outer side wall of the metal shell 1, and are deformed at two ends of the fixing pin 3 protruding out of the outer side wall of the metal shell 1 for fixing. At first, adopt the injection molding machine to mould plastics the plastics insulator on metal casing, then set up the perforating hole on the relevant position of metal casing both sides wall, pass perforating hole and both ends protrusion in the metal casing lateral wall respectively with the fixed pin axle, and the both ends that protrude out the metal casing lateral wall at the fixed pin axle warp with fixed, adopt the deformation technique with protrusion in the radial length grow of the fixed pin axle at metal casing lateral wall both ends, make the fixed pin axle can not drop from metal casing, great improvement lamp holder's fastness, make lamps and lanterns can not produce the short circuit because of the not hard up of lamp holder or drop at the during operation.

Specifically, the fixed pin 3 protrudes from both ends of the outer side wall of the metal shell 1 and is extruded and deformed along the radial direction of the fixed pin 3 or axially along the fixed pin 3. As shown in fig. 3, the two ends of the fixed pin shaft 3 protruding out of the outer side wall of the metal shell 1 are flattened along the radial direction and deformed or round heads are punched along the axial direction, so that the diameter of the fixed pin shaft 3 is increased, and the fixed pin shaft 3 is prevented from being separated from the metal shell 1.

In addition, the plastic insulator 2 is provided with two oppositely arranged clamping plates 21, the distance between the two clamping plates 21 is smaller than the diameter of the fixed pin shaft 3, and the fixed pin shaft 3 is positioned between the two clamping plates 21 when passing through the metal shell 1 and is clamped and fixed by the two clamping plates 21. Two splint 21 are lived the centre gripping of dead pin axle 3, and the structure of lamp holder is more firm difficult not hard up, specifically, two splint 21 set up the intermediate position at plastic insulator, and the diameter at 3 both ends of dead pin axle is less than the diameter of interlude, does benefit to dead pin axle 3 and passes metal casing 1.

Furthermore, the outer wall of the fixing pin shaft 3 is provided with a plurality of fixing convex rings 51 which are arranged along the axial direction, and the inner walls of the two clamping plates 21 and the plastic insulator 2 are provided with fixing grooves 52 which are matched with the fixing convex rings 51. Through the cooperation of the fixing convex ring 51 and the fixing groove 52, not only the positioning function is realized, but also the fixing between the clamping plate 21 and the plastic insulator 2 and the fixing pin shaft 3 is firmer.

More specifically, the through hole 4 is provided with an inward-turning burr 6 extending toward the inside of the metal shell 1. The metal shell 1 can form the inward-turning burr 6 when the through hole 4 is punched, the inward-turning burr 6 is an elastic metal sheet, when the fixed pin shaft 3 penetrates through the through hole 4, the fixed convex ring 51 is expanded and penetrates through the inward-turning burr 6, the inward-turning burr 6 is recovered, the fixed pin shaft 3 can be limited to move along the axis by the fixed convex ring 51 and the inward-turning burr 6, and the two ends of the fixed pin shaft 3 are prevented from being loosened or moving away from the metal shell 1 before or during deformation.

Still further, the fixed pin shaft 3 is in interference fit with the through hole 4. The two ends of the fixing pin 3 are loosened or displaced away from the metal shell 1 before or during deformation.

Specifically, the plastic insulator 2 is provided with an outlet hole 7 communicated with the metal shell 1, and the inner wall of the outlet hole 7 is provided with wire pressing grooves 71 arranged at intervals along the circumferential direction of the outlet hole 7. When the wire is pressed, the wire can enter the wire pressing groove 71, so that the wire can be pressed conveniently.

In embodiment 2, the present embodiment is substantially the same as the first embodiment, and for simplicity, only the difference between the main structure and the first embodiment will be described, the difference lies in: as shown in fig. 6, the outer wall of the fixing pin shaft 3 is provided with a plurality of fixing ring grooves 53 arranged in an axial direction, and the inner wall of the two clamping plates 21 and the plastic insulator 2 are provided with fixing protrusions 54 matched with the fixing ring grooves 53. Through the cooperation of the fixing ring groove 53 and the fixing protrusion 54, not only the positioning function is realized, but also the fixing between the clamping plate 21 and the plastic insulator 2 and the fixing pin shaft 3 is firmer.

The above description is provided for one embodiment of the present invention, and the embodiments of the present invention are not limited to these descriptions, and the present invention is not limited to the above nomenclature and the English nomenclature since the trade nomenclature is different. Similar or identical methods, structures and the like as those of the present invention or several technical deductions or substitutions made on the premise of the conception of the present invention should be considered as the protection scope of the present invention.

Claims

1. The improved bayonet lamp holder is characterized by comprising a metal shell (1), a plastic insulator (2) and a fixed pin shaft (3), wherein through holes (4) are formed in corresponding positions of two side walls of the metal shell (1), the fixed pin shaft (3) penetrates through the through holes (4), two ends of the fixed pin shaft respectively protrude out of the outer side wall of the metal shell (1), and two ends of the fixed pin shaft (3) protruding out of the outer side wall of the metal shell (1) are deformed to be fixed;

the plastic insulator (2) is provided with two oppositely arranged clamping plates (21), the outer wall of the fixed pin shaft (3) is provided with a plurality of fixed convex rings (51) which are arranged in an axial direction, and the inner walls of the two clamping plates (21) and the plastic insulator (2) are provided with fixed grooves (52) which are matched with the fixed convex rings (51); or the outer wall of the fixed pin shaft (3) is provided with a plurality of fixed ring grooves (53) which are arranged in an axial direction, and the inner wall of the clamping plate (21) and the plastic insulator (2) are provided with fixed bulges (54) which are matched with the fixed ring grooves (53).

2. An improved bayonet lamp holder as claimed in claim 1, wherein the fixing pin (3) protrudes from both ends of the outer side wall of the metal shell (1) and is deformed by being radially pressed along the fixing pin (3) or axially pressed along the fixing pin (3).

3. An improved bayonet cap as claimed in claim 1, characterized in that the distance between the two clamping plates (21) is smaller than the diameter of the fixing pin (3), and the fixing pin (3) passes between the two clamping plates (21) when passing through the metal shell (1), and is clamped and fixed by the two clamping plates (21).

4. An improved bayonet cap as claimed in claim 1, characterized in that said through-going bore (4) is provided with an in-turned burr (6) extending towards the inside of said metal shell (1).

5. An improved bayonet cap according to claim 1, characterized in that the securing pin (3) is an interference fit with the through hole (4).

6. An improved bayonet lamp holder as claimed in claim 1, wherein the plastic insulator (2) is provided with an outlet hole (7) communicating with the metal shell (1), and the inner wall of the outlet hole (7) is provided with wire pressing grooves (71) arranged at intervals along the circumferential direction of the outlet hole (7).