CN106764591B - Flashlight with replaceable head - Google Patents
Flashlight with replaceable head Download PDFInfo
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- CN106764591B CN106764591B CN201710129864.7A CN201710129864A CN106764591B CN 106764591 B CN106764591 B CN 106764591B CN 201710129864 A CN201710129864 A CN 201710129864A CN 106764591 B CN106764591 B CN 106764591B
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- connector
- head
- sleeve
- hole
- flashlight
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L4/00—Electric lighting devices with self-contained electric batteries or cells
- F21L4/005—Electric lighting devices with self-contained electric batteries or cells the device being a pocket lamp
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V15/00—Protecting lighting devices from damage
- F21V15/02—Cages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
- F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/08—Devices for easy attachment to any desired place, e.g. clip, clamp, magnet
- F21V21/096—Magnetic devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
- F21V23/004—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a flashlight with a replaceable head, which comprises a flashlight body and a head, wherein an interface sleeve is screwed at the upper opening part of the flashlight body, a pushing ring is arranged in an inner hole of the interface sleeve, an inner pushing spring is connected to the lower part of the pushing ring, an outer pushing spring and a telescopic sleeve are sleeved on the outer peripheral surface of the interface sleeve, a round through hole is arranged on the outer peripheral surface of the upper part of the interface sleeve, a steel ball is placed in the round through hole, a snap spring is arranged in a groove at the lower part of the top end of the interface sleeve, and a power plug electrically connected with a circuit board in an inner cavity of the flashlight body is arranged in the inner cavity of the upper opening part of the flashlight body; the lower opening part of the head inner cavity is in threaded connection with a connector, an inclined groove is formed in the outer peripheral surface of a shaft of the connector, and a power socket electrically connected with an LED light-emitting lamp bead arranged in the head inner cavity is arranged in a central through hole of the connector. The head of the flashlight is inserted into the inner hole of the interface sleeve of the flashlight body through the connector to be matched and fixedly connected, and the flashlight is combined into an integral flashlight. The invention has the advantages that: the flashlight can be conveniently replaced and matched with heads with different light-emitting forms.
Description
Technical Field
The invention relates to a flashlight, in particular to a flashlight with a replaceable head.
Background
The flashlight is a hand-held lighting tool commonly used by people, at present, with the progress and development of LED technology, a tungsten filament lamp bead in a traditional flashlight is replaced by an LED lamp bead, because the LED lamp bead has high luminous efficiency and small volume, the structural design of the flashlight becomes very flexible, various flashlights of various types appear in the existing market, but the structural form is basically not changed greatly, the head of the flashlight provided with a luminous body is usually direct-projection type and scattering type, the direct-projection type head is generally round-head-shaped, the light of the direct-projection type head directly emits from the front end of the head of the flashlight and becomes focusing, the illumination distance is far, but the area of the range of the short-distance illumination is small, the scattering type head is generally rod-shaped, the light emits from the side surface of the head of the flashlight, and a strip-shaped luminous sheet formed by connecting a plurality of LED lamp beads in a rod-shaped lampshade in series and parallel emits light into scattering shape, the short-distance illumination area is large, the brightness is high, but the illumination distance is close. Although there is a flashlight head in the market that can rotate or stretch focusing formula, can change irradiant area through adjusting the facula increase that makes the flashlight head emit to compromise the user demand of direct projection and scattered illumination, nevertheless, because the luminous intensity of the LED lamp pearl in flashlight head is fixed, its irradiant luminance also reduces thereupon when following the increase of flashlight illumination area. In order to meet the lighting requirements of different use occasions, people are often equipped with flashlights with different light-emitting types, which brings inconvenience to carrying and use and wastes resources. Therefore, there is a need for improvements and innovations in existing flashlights.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art, and provides a flashlight with a replaceable head, wherein the flashlight is characterized in that a flashlight body and the head provided with a luminous body are separately designed, and the flashlight body is connected with the head through a movable fixed interface which is convenient to detach. When in use, only one universal flashlight body can be freely replaced and matched with direct-emitting or scattering flashlight head monomers with different structures and light-emitting forms for use.
The technical scheme adopted by the invention is as follows: a flashlight with a replaceable head comprises a flashlight body and the head, and is characterized in that:
the upper part of a battery cavity of the cylinder body is fixedly provided with a switch circuit board assembly, a fixed shell of the switch circuit board assembly is screwed with the lower part of a threaded port arranged at the opening part of the inner cavity of the cylinder body by a first pressing ring to be tightly pressed and fixed in the inner cavity of the cylinder body, the upper opening part of the fixed shell is provided with a power plug fixing frame, the power plug fixing frame is screwed with the upper part of the threaded port arranged at the opening part of the inner cavity of the cylinder body by a second pressing ring to be tightly pressed and fixed on the fixed shell, a central screw hole is arranged on the power plug fixing frame, a power plug is screwed and fixed in the central screw hole, and a positive plug lead and a negative plug lead are welded and led out at the bottom of the power plug and are electrically connected with a circuit board of the switch circuit board assembly;
the upper opening part of the cylinder body is in threaded connection with an interface sleeve, a pushing ring is sleeved in an inner hole of the interface sleeve, a first step with an inclined opening is arranged at the upper part of the inner hole of the pushing ring, a convex ring is arranged at the middle upper part of the outer shaft peripheral surface of the pushing ring, an inner pushing spring is connected on the outer shaft peripheral surface of the lower part of the pushing ring at the lower surface of the convex ring in a sliding sleeved mode, the upper end surface and the lower end surface of the inner pushing spring are respectively connected with the lower surface of the convex ring and the upper surface of a second pressing ring in a threaded connection with the upper part of a threaded opening of the opening part of the inner cavity of the cylinder body in an abutting mode, the upper surface of the convex ring and the inner step of the inner hole peripheral surface of the interface sleeve are in abutting stop position under the elastic force action of the inner pushing spring, and the outer shaft peripheral surface of the upper part of the pushing ring at the upper surface of the convex ring is connected with the upper part of the inner hole of the interface sleeve in a sliding fit mode;
the outer peripheral surface of the interface sleeve is sleeved with a telescopic sleeve, the outer peripheral surface of a shaft of the interface sleeve is provided with an outer step, the peripheral surface of an inner hole of the telescopic sleeve is provided with a first inner step, the outer peripheral surface of the interface sleeve shaft between the outer step of the interface sleeve and the first inner step of the telescopic sleeve is connected with an outer pushing spring in a sliding sleeved mode, and the upper end face and the lower end face of the outer pushing spring are respectively connected with the surfaces of the first inner step and the outer step in an abutting mode. The horizontal circumference of the upper part of the interface sleeve is provided with 6 circular through holes which are evenly distributed in equal intervals, each circular through hole is internally provided with a steel ball which is put in from a circular through hole on the peripheral surface of the interface sleeve, the opening part of the circular through hole, which is close to the surface of the inner hole of the interface sleeve, is provided with a conical opening which plays a role in stopping the steel ball, the upper part of the inner hole of the telescopic sleeve is provided with a second bevel opening step, one side surface of the steel ball is close to the inclined plane of the second bevel opening step, the peripheral surface of a shaft at the lower part of the top end of the interface sleeve is provided with a second groove, and a clamp spring is arranged in the second groove;
the lower opening part of the head inner cavity is provided with an internal thread connector, the internal thread connector is screwed with a connector provided with a central through hole, an inclined surface step is arranged at the transition part of the big end and the small end of the outer shaft peripheral surface of the head part of the connector, a large upper opening and a small inclined opening groove at the bottom are arranged on the outer shaft peripheral surface of the middle part of the connector, a second inner step is arranged at the upper part of the central through hole of the connector, a power socket fixing plate is connected to the second inner step in a leaning and assembling manner, a power socket is fixedly arranged on the power socket fixing plate, a socket pressing ring sleeved on the head part of the power socket and a screw opening arranged at the opening part of the through hole of the connector are pressed and fixed in the central through hole of the connector in a screwing manner, and positive and negative socket leads are welded on electrode pins of the power socket and connected with an LED light-emitting lamp bead arranged in the head inner cavity;
the electric torch comprises a torch body, a connector sleeve, a first bevel step, a second bevel step, a clamp spring, a steel ball outer side face, a steel ball inner hole peripheral surface, a steel ball inner side head, a bevel groove, a connector, a power plug, a power socket and a connector inner cavity, wherein the torch body is connected with the connector inner cavity through the connector sleeve opening, the connector inner cavity is connected with the power plug, the power plug is fixedly arranged in the torch body, the power socket is fixedly arranged in a central through hole of the connector, the power socket is fixedly arranged in the torch body, the connector inner cavity is correspondingly inserted and matched with the power socket, and the power plug is connected with the power socket.
Further, the head is a direct-injection head.
Further, the head is a scattering head.
Furthermore, the upper part of the connector is also provided with a third groove, and a second sealing ring is embedded in the third groove.
Furthermore, a first groove is further formed in the outer peripheral surface of the barrel body at the lower end of the threaded connection part of the barrel body and the interface sleeve, and a first sealing ring is embedded in the first groove.
Furthermore, the bottom surface of the tail cover of the cylinder body is also provided with a circular groove, and a magnet sheet is embedded in the circular groove.
Compared with the prior art, the invention has the advantages that: the head unit of the direct-emitting or scattering flashlight with different structures and light emitting forms can be replaced and matched for use at will only by using one flashlight body which is universal, and the requirements of different occasions for illumination are met. Moreover, the flashlight body and the flashlight head are easy and convenient to replace and connect, the connection is firm, great convenience is brought to use and carrying, and resources are saved.
Drawings
FIG. 1 is an external perspective view of example 1 of the present invention;
FIG. 2 is a schematic view of a flashlight body in cross-section, partially in section, according to embodiments 1 and 2 of the present invention;
FIG. 3 is a schematic view, partially in section, of the direct-firing head of a flashlight of embodiment 1 of the present invention;
FIG. 4 is a transverse cross-sectional view of the location of the upper circular through hole of the interface sleeve attached to the flashlight body of embodiments 1 and 2 of the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 2;
FIG. 6 is a schematic sectional view of the flashlight of embodiment 1 of the present invention with the direct-emitting head attached to the flashlight body;
FIG. 7 is an enlarged view of portion B of FIG. 6;
FIG. 8 is an external perspective view of example 2 of the present invention;
FIG. 9 is a schematic view, partly in section, of a diffuser head of a flashlight of embodiment 2 of the present invention;
fig. 10 is a schematic view of a scattering type lamp head of a flashlight of embodiment 2 of the invention in partial section after being connected with a flashlight body.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples.
Example 1: referring to fig. 1 to 6, a flashlight with a replaceable head includes a barrel 1 and a direct-emitting head 2, and is characterized in that:
the upper part of a battery cavity 11 of the cylinder body 1 is fixedly provided with a switch circuit board assembly 3, a fixed shell 31 of the switch circuit board assembly 3 is screwed with the lower part of a threaded port arranged at the opening part of the inner cavity of the cylinder body 1 by a first pressing ring 4 to be tightly pressed and fixed in the inner cavity of the cylinder body 1, the upper opening part of the fixed shell 31 is connected with a power plug fixing frame 5, the power plug fixing frame 5 is screwed with the upper part of the threaded port arranged at the opening part of the inner cavity of the cylinder body 1 by a second pressing ring 6 to be tightly pressed and fixed on the fixed shell 31, the power plug fixing frame 5 is provided with a central screw hole 51, a power plug 7 is screwed and fixed in the central screw hole 51, and a positive plug lead wire and a negative plug lead wire 71 are welded and led out at the bottom of the power plug 7 and are electrically connected with a circuit board 32 of the switch circuit board assembly 3;
the upper opening of the cylinder body 1 is screwed with the interface sleeve 8, the outer peripheral surface of the cylinder body at the lower end of the screwed part of the cylinder body 1 and the interface sleeve 8 is provided with a first groove 12, and a first sealing ring 9 is embedded in the first groove 12 to play a role of sealing and water proofing. A pushing ring 10 is sleeved in an inner hole of the interface sleeve 8, a first bevel step 101 is arranged at the upper part of the inner hole of the pushing ring 10, a convex ring 102 is arranged at the middle upper part of the outer shaft peripheral surface of the pushing ring 10, an inner pushing spring 13 is connected on the outer shaft peripheral surface of the lower part of the pushing ring on the lower surface of the convex ring 102 in a sliding sleeved mode, the upper end surface and the lower end surface of the inner pushing spring 13 are respectively connected with the lower surface of the convex ring 102 and the upper surface of a second pressing ring 6 in a screwed mode at the upper part of a threaded opening of an inner cavity of the barrel body 1 in an abutting mode, under the elastic force action of the inner pushing spring 13, the upper surface of the convex ring 102 and an inner sleeve step 81 arranged on the inner hole peripheral surface of the interface sleeve 8 abut against and are connected with each other under the sliding fit mode, and the outer shaft peripheral surface of the upper part of the pushing ring on the upper surface of the convex ring 102 is connected with the upper part of the inner hole of the interface sleeve 8 in a sliding fit mode;
the outer peripheral surface of the interface sleeve 8 is sleeved with a telescopic sleeve 14, the outer peripheral surface of a shaft of the interface sleeve 8 is provided with an outer step 82, the inner hole peripheral surface of the telescopic sleeve 14 is provided with a first inner step 141, the outer step 82 of the interface sleeve 8 and the outer peripheral surface of the interface sleeve shaft between the first inner steps 141 of the telescopic sleeve 14 are connected with an outer pushing spring 15 in a sliding sleeved mode, and the upper end surface and the lower end surface of the outer pushing spring 15 are respectively connected with the surfaces of the first inner steps 141 and the outer steps 82 in an abutting mode. The horizontal circumference of the upper part of the interface sleeve 8 is provided with 6 circular through holes 83 which are evenly distributed in equal parts, each circular through hole 83 is provided with a steel ball 16 which is put in from a circular through hole on the peripheral surface of the interface sleeve, the opening part of the circular through hole 83 which is close to the inner hole surface side of the interface sleeve 8 is provided with a circular cone mouth 831 which plays a role of stopping the steel ball 16, and the steel ball 16 is prevented from being separated from the opening part of the inner hole surface side of the circular through hole 83 which is close to the interface sleeve 8 when a pushing ring arranged in the inner cavity of the interface sleeve is pushed inwards to be separated from the upper part of the inner hole of the interface sleeve 8. The upper part of the inner hole of the telescopic sleeve 14 is provided with a second bevel connection step 142, and one side surface of the steel ball 16 is abutted against the inclined surface of the second bevel connection step 142 to play a role in stopping the telescopic sleeve 14. A second groove 84 is formed in the outer peripheral surface of the shaft at the lower portion of the top end of the interface sleeve 8, a clamp spring 17 is arranged in the second groove 84, and the clamp spring 17 has the function that when the steel ball 16 slides into the inner side of the circular through hole 83, the telescopic sleeve 14 slides to the upper port portion of the interface sleeve 8 under the elastic action of the outer pushing spring 15 to stop when the second bevel step 142 abuts against the clamp spring 17, so that the telescopic sleeve is prevented from slipping from the interface sleeve.
The lower opening part of the inner cavity of the direct-injection type head part 2 is provided with an internal thread connector 21, and a connector 22 provided with a central through hole is screwed on the internal thread connector 21. The transition position of the big head and the small head on the shaft peripheral surface of the head of the connector 22 is provided with an inclined plane step 221, the shaft peripheral surface of the middle part of the connector 22 is provided with a groove 222 with a big upper opening and a small bottom inclined opening, the upper part of the connector 22 is provided with a third groove 223, a second sealing ring 23 is embedded in the third groove 223, and when the flashlight body is connected with the head, the sealing and waterproof effects are achieved. A second inner step 224 is arranged at the upper part of the central through hole of the connector 22, a power socket fixing plate 24 is connected to the second inner step 224 in a leaning and installing manner, a power socket 25 is fixedly arranged on the power socket fixing plate 24, a socket pressing ring 26 sleeved at the head part of the power socket 25 is in threaded connection with a screw arranged at the through hole opening part of the connector 22 and is tightly fixed in the central through hole of the connector 22, and a positive socket lead 251 and a negative socket lead 251 are welded on an electrode pin of the power socket 25 and are connected with an LED light-emitting lamp bead arranged in the inner cavity of the direct projection type head 2.
After the barrel body 1 of the flashlight is correspondingly matched and inserted into the head of a connector 22 which is screwed with the direct-injection head 2 of the flashlight through the mouth of a screwed connector sleeve 8, a first bevel step 101 on a sleeved pushing ring 10 is arranged in an inner hole of the connector sleeve 8 and is abutted to a bevel step 221 on the head of the connector 22, the pushing ring 10 is pushed into the lower part of the inner hole of the connector sleeve 8, a second bevel step 142 of a telescopic sleeve 14 sleeved on the connector sleeve 8 is abutted to a snap spring 17 arranged in a second groove 84 on the lower part of the top end of the connector sleeve 8 for positioning, a steel ball 16 outer side surface arranged in a round through hole 83 on the upper part of the connector sleeve 8 is abutted to the peripheral surface of the inner hole of the telescopic sleeve 14, the head on the inner side of the steel ball 16 is arranged in a bevel groove 222 of the connector 22, the connector 22 is fixedly positioned in the connector sleeve 8, and a power plug 7 fixed in the inner cavity of the barrel body 1 is correspondingly inserted into a fixed power socket 25 arranged in a central through hole of the connector 22 for realizing electrical contact connection, so as to form an integral flashlight.
Example 2: referring to fig. 2, 8 to 10, a flashlight with a replaceable head includes a body 1 and a scattering type head 2, and is characterized in that:
the upper part of a battery cavity 11 of the cylinder body 1 is fixedly provided with a switch circuit board assembly 3, a fixed shell 31 of the switch circuit board assembly 3 is screwed with the lower part of a threaded port arranged at the opening part of the inner cavity of the cylinder body 1 by a first pressing ring 4 to be pressed and fixed in the inner cavity of the cylinder body 1, the upper opening part of the fixed shell 31 is connected with a power plug fixing frame 5, the power plug fixing frame 5 is screwed with the upper part of the threaded port arranged at the opening part of the inner cavity of the cylinder body 1 by a second pressing ring 6 to be pressed and fixed on the fixed shell 31, the power plug fixing frame 5 is provided with a central screw hole 51, a power plug 7 is screwed and fixed in the central screw hole 51, and a positive plug lead and a negative plug lead 71 are welded and led out at the bottom of the power plug 7 and are electrically connected with a circuit board 32 of the switch circuit board assembly 3;
the upper opening of the cylinder body 1 is screwed with the interface sleeve 8, the outer peripheral surface of the cylinder body at the lower end of the screwed part of the cylinder body 1 and the interface sleeve 8 is provided with a first groove 12, and a first sealing ring 9 is embedded in the first groove 12 to play a role of sealing and water proofing. A pushing ring 10 is sleeved in an inner hole of the interface sleeve 8, a first inclined opening step 101 is arranged at the upper part of the inner hole of the pushing ring 10, a convex ring 102 is arranged at the middle upper part of the outer shaft peripheral surface of the pushing ring 10, an inner pushing spring 13 is connected on the outer shaft peripheral surface of the lower part of the pushing ring of the lower surface of the convex ring 102 in a sliding sleeved mode, the upper end surface and the lower end surface of the inner pushing spring 13 are respectively connected with the lower surface of the convex ring 102 and the upper surface of a second pressing ring 6 in a screw connection mode at the upper part of a threaded opening of an inner cavity opening of the barrel body 1 in an abutting mode, the convex ring 102 is connected with an inner sleeve step 81 arranged on the inner hole peripheral surface of the interface sleeve 8 in an abutting mode under the elastic force action of the inner pushing spring 13, and the shaft peripheral surface of the upper part of the pushing ring 102 is connected with the upper part of the inner hole of the interface sleeve 8 in a sliding matched mode;
the outer peripheral surface of the interface sleeve 8 is sleeved with a telescopic sleeve 14, the outer peripheral surface of a shaft of the interface sleeve 8 is provided with an outer step 82, the inner hole peripheral surface of the telescopic sleeve 14 is provided with a first inner step 141, the outer step 82 of the interface sleeve 8 and the outer peripheral surface of the interface sleeve shaft between the first inner steps 141 of the telescopic sleeve 14 are connected with an outer pushing spring 15 in a sliding sleeved mode, and the upper end surface and the lower end surface of the outer pushing spring 15 are respectively connected with the surfaces of the first inner steps 141 and the outer steps 82 in an abutting mode. The horizontal circumference of the upper part of the interface sleeve 8 is provided with 6 circular through holes 83 which are evenly distributed at equal intervals, each circular through hole 83 is provided with a steel ball 16 which is put in from a circular through hole opening on the peripheral surface of the interface sleeve, and a circular cone opening 831 which plays a role of stopping the steel ball 16 is arranged at the opening part of the circular through hole 83, which is close to the surface of the inner hole of the interface sleeve 8, so that when a pushing ring arranged in the inner cavity of the interface sleeve is pushed inwards to be separated from the upper part of the inner hole of the interface sleeve 8, the steel ball 16 is prevented from being separated from the opening part of the surface of the inner hole of the interface sleeve 8, which is close to the circular through hole 83. The upper part of the inner hole of the telescopic sleeve 14 is provided with a second bevel connection step 142, and one side surface of the steel ball 16 is abutted against the inclined surface of the second bevel connection step 142 to play a role in stopping the telescopic sleeve 14. A second groove 84 is arranged on the outer peripheral surface of the shaft at the lower part of the top end of the interface sleeve 8, a snap spring 17 is arranged in the second groove 84, and the snap spring 17 has the function that when the steel ball 16 slides into the inner side of the circular through hole 83, the telescopic sleeve 14 slides to the upper port part of the interface sleeve 8 under the elastic action of the outer push spring 15 to stop when the second bevel step 142 abuts against the snap spring 17, so that the telescopic sleeve is prevented from slipping from the interface sleeve.
The lower opening part of the inner cavity of the scattering type head part 2 is provided with an internal thread connector 21, and a connector 22 provided with a central through hole is screwed on the internal thread connector 21. The transition position of the big head and the small head on the shaft peripheral surface of the head of the connector 22 is provided with an inclined plane step 221, the shaft peripheral surface of the middle part of the connector 22 is provided with a groove 222 with a big upper opening and a small bottom inclined opening, the upper part of the connector 22 is provided with a third groove 223, a second sealing ring 23 is embedded in the third groove 223, and when the flashlight body is connected with the head, the sealing and waterproof effects are achieved. A second inner step 224 is arranged at the upper part of the central through hole of the connector 22, a power socket fixing plate 24 is connected to the second inner step 224 in a leaning and installing manner, a power socket 25 is fixedly arranged on the power socket fixing plate 24, a socket pressing ring 26 sleeved at the head part of the power socket 25 is in threaded connection with a screw arranged at the through hole opening part of the connector 22 and is tightly fixed in the central through hole of the connector 22, and a positive socket lead 251 and a negative socket lead 251 are welded on an electrode pin of the power socket 25 and are connected with an LED light-emitting lamp bead arranged in the inner cavity of the direct projection type head 2.
After the barrel body 1 of the flashlight is correspondingly matched and inserted into the butt joint with the head of the connector 22 which is screwed with the direct-injection head 2 of the flashlight through the mouth part of the screwed connector sleeve 8, the first bevel step 101 on the push ring 10 which is sleeved in the inner hole of the connector sleeve 8 is close to the bevel step 221 on the head part of the connector 22, the push ring 10 is pushed into the lower part of the inner hole of the connector sleeve 8, the second bevel step 142 of the telescopic sleeve 14 which is sleeved on the connector sleeve 8 is close to the clamp spring 17 which is arranged in the second groove 84 on the lower part of the top end of the connector sleeve 8, the outer side surface of the steel ball 16 which is arranged in the round through hole 83 on the upper part of the connector sleeve 8 is close to the peripheral surface of the inner hole of the telescopic sleeve 14, the head part on the inner side of the steel ball 16 is arranged in the bevel groove 222 of the connector 22, the connector 22 is fixedly positioned in the connector sleeve 8, the power plug 7 which is fixed in the inner cavity of the barrel body 1 is correspondingly inserted into the fixed power socket 25 which is arranged in the central through hole of the connector 22, so as to realize the electric contact connection, and the flashlight is combined into a whole.
The bottom surface of the tail cover 18 of the flashlight body 1 is also provided with a circular groove 181, and the magnet sheet 19 is embedded in the circular groove 181, so that the flashlight can be adsorbed on the surface of an iron object when the flashlight is used, and the flashlight is convenient to vacate hands to do things.
The process of the matched connection of the flashlight body and the flashlight head is as follows: the connector of the head of the flashlight is inserted after being aligned with the opening of the interface sleeve on the flashlight barrel body, at the moment, a first bevel step on a pushing ring arranged in an inner hole of the interface sleeve is abutted against a bevel step of the head of the connector, the pushing ring is pushed towards the lower part of an inner hole of the interface sleeve, meanwhile, a telescopic sleeve sleeved on the interface sleeve slides upwards under the elastic action of an outer pushing spring sleeved and connected on the interface sleeve, a steel ball arranged in a circular through hole of a second bevel step arranged on the upper part of the inner hole of the interface sleeve pushes a steel ball arranged in the circular through hole of the interface sleeve to move towards the inner side of the circular through hole, the outer side surface of the steel ball is abutted against the surface of an inner hole of the second bevel step arranged in the inner hole of the telescopic sleeve along with the continuous insertion of the connector, the head on the inner side of the steel ball is pushed into a bevel groove of the connector, the connector is positioned and locked in the interface sleeve, at the moment, the bevel of the second bevel step arranged on the upper part of the inner hole of the telescopic sleeve is abutted against and positioned with a clamp spring arranged in the lower part of the inner hole of the connector, a power plug fixed in a central through hole arranged in the inner hole of the barrel body, and is correspondingly inserted into an electrical contact with a power socket, and then the power socket, and the flashlight barrel body, and the flashlight is combined into a whole. If the head of the flashlight is to be replaced: as long as holding the flashlight barrel body with one hand, pinching the telescopic sleeve by a thumb and a forefinger and pulling down to the position that the inclined plane of a second bevel connection step arranged on the upper part of the inner hole of the telescopic sleeve is lower than the round through hole of the interface sleeve, lightly pulling the head of the flashlight with the other hand, at the moment, the steel ball for locking the connector is pushed out of the bevel connection groove of the connector, and the head of the flashlight can be pulled out very easily.
The flashlight has the advantages that the flashlight body can be universal, when the flashlight is used, the requirements of different illumination occasions can be met only by changing the direct-injection type or scattering type flashlight head single bodies with the same connectors and different structures and light-emitting forms, and the flashlight head can be changed conveniently.
The above embodiments are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and all equivalent substitutions or changes according to the technical solutions and the inventive concepts of the present invention should be covered by the scope of the present invention.
Claims (6)
1. A flashlight with a replaceable head comprises a flashlight body (1) and a head (2), and is characterized in that:
the upper part of a battery cavity (11) of the barrel body (1) is fixedly provided with a switch circuit board assembly (3), a fixed shell (31) of the switch circuit board assembly (3) is tightly pressed and fixed in the inner cavity of the barrel body (1) by the lower part of a threaded port arranged at the opening part of the inner cavity of the barrel body (1) in a threaded manner through a first pressing ring (4), the upper opening part of the fixed shell (31) is connected with a power plug fixing frame (5), the power plug fixing frame (5) is tightly pressed and fixed on the fixed shell (31) by the upper part of a threaded port arranged at the opening part of the inner cavity of the barrel body (1) in a threaded manner through a second pressing ring (6), a power plug (7) is fixedly screwed in the central threaded hole (51), and a positive plug lead wire and a negative plug lead wire (71) are welded and led out at the bottom of the power plug (7) and are electrically connected with a circuit board (32) of the switch circuit board assembly (3);
the upper opening part of the barrel body (1) is in threaded connection with an interface sleeve (8), a pushing ring (10) is sleeved in an inner hole of the interface sleeve (8), a first inclined opening step (101) is arranged on the upper part of the inner hole of the pushing ring (10), a convex ring (102) is arranged on the middle upper part of the outer shaft peripheral surface of the pushing ring (10), an inner pushing spring (13) is connected to the lower shaft peripheral surface of the lower surface of the convex ring (102) in a sliding sleeved mode, the upper end surface and the lower end surface of the inner pushing spring (13) are respectively connected to the lower surface of the convex ring (102) and the upper surface of a second pressing ring (6) in a threaded connection mode, the upper surface of the convex ring (102) is abutted to a stop position with an inner sleeve step (81) arranged on the inner hole peripheral surface of the interface sleeve (8) under the elastic action of the inner pushing spring (13), and the upper shaft peripheral surface of the pushing ring on the upper surface of the convex ring (102) is connected to the upper part of the inner hole of the interface sleeve (8) in a sliding fit mode;
the outer peripheral surface of the interface sleeve (8) is sleeved with a telescopic sleeve (14), the outer peripheral surface of a shaft of the interface sleeve (8) is provided with an outer step (82), the inner peripheral surface of an inner hole of the telescopic sleeve (14) is provided with a first inner step (141), the outer step (82) of the interface sleeve (8) is connected with the outer peripheral surface of the shaft of the interface sleeve (8) between the first inner step (141) of the telescopic sleeve (14) in a sliding sleeved mode and is connected with an outer pushing spring (15), the upper end surface and the lower end surface of the outer pushing spring (15) are respectively connected with the surfaces of the first inner step (141) and the outer step (82) in an abutting mode, and 6 circular through holes (83) which are evenly distributed in equal intervals are arranged on the transverse peripheral surface of the upper portion of the interface sleeve (8), each round through hole (83) is internally provided with a steel ball (16) which is put in from a round through hole opening on the peripheral surface of the interface sleeve, a conical opening (831) which plays a role of stopping the steel ball (16) is arranged at the opening part of the round through hole (83) close to the inner hole surface side of the interface sleeve (8), the upper part of the inner hole of the telescopic sleeve (14) is provided with a second bevel opening step (142), one side surface of the steel ball (16) is close to the inclined plane of the second bevel opening step (142), a second groove (84) is arranged on the shaft peripheral surface of the lower part of the top end of the interface sleeve (8), and a snap spring (17) is arranged in the second groove (84);
the lower opening part of the inner cavity of the head part (2) is provided with an internal thread connector (21), the internal thread connector (21) is screwed with a connector (22) provided with a central through hole, an inclined surface step (221) is arranged at the transition part of the big end and the small end of the outer shaft peripheral surface of the head part of the connector (22), a small inclined groove (222) with a big upper opening and a small bottom is arranged on the outer shaft peripheral surface of the middle part of the connector (22), a second inner step (224) is arranged on the upper part of the central through hole of the connector (22), a power socket fixing plate (24) is connected on the second inner step (224) in a leaning and installing manner, a power socket (25) is fixedly arranged on the power socket fixing plate (24), a socket pressing ring (26) sleeved on the head part of the power socket (25) and a screw opening arranged at the opening part of the through hole of the connector (22) are pressed and screwed and fixed in the central through hole of the connector (22), and a positive socket lead wire (251) and a negative socket are welded on an electrode pin of the power socket (25) and connected with an LED light-emitting lamp bead arranged in the inner cavity of the head part (2);
the electric torch is characterized in that a torch body (1) of the electric torch is correspondingly matched with and inserted into a butt joint with a head of a connector (22) which is screwed with a head of the electric torch through a mouth of a screwed connector sleeve (8), a first bevel step (101) on a sleeved pushing ring (10) arranged in an inner hole of the connector sleeve (8) is abutted against a bevel step (221) on the head of the connector (22), the pushing ring (10) is pushed into the lower part of the inner hole of the connector sleeve (8), a second bevel step (142) of a telescopic sleeve (14) sleeved on the connector sleeve (8) is abutted against a snap spring (17) arranged in a second groove (84) on the lower part of the top end of the connector sleeve (8) for positioning, a steel ball (16) arranged in a round through hole (83) on the upper part of the connector sleeve (8) is abutted against the peripheral surface of the inner hole of the telescopic sleeve (14), the head on the inner side of the steel ball (16) is arranged in a bevel groove (222) of the connector (22), the steel ball (22) is positioned and fixed in the socket, a plug (7) fixed in the torch body (1) is inserted into a socket, and the plug is electrically contacted with a plug (25) which is integrally.
2. A flashlight of claim 1 having a replaceable head, said flashlight comprising: the head part (2) is a direct injection type head part.
3. A replaceable head flashlight of claim 1, wherein: the head (2) is a scattering head.
4. A replaceable head flashlight of claim 1, wherein: the upper part of the connector (22) is also provided with a third groove (223), and a second sealing ring (23) is embedded in the third groove (223).
5. A replaceable head flashlight of claim 4, wherein: the outer peripheral surface of the barrel body at the lower end of the screwed part of the barrel body (1) and the interface sleeve (8) is also provided with a first groove (12), and a first sealing ring (9) is embedded in the first groove (12).
6. A replaceable head flashlight of claim 1, 4 or 5, wherein: the bottom surface of the tail cover (18) of the cylinder body (1) is also provided with a circular groove (181), and a magnet piece (19) is embedded in the circular groove (181).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710129864.7A CN106764591B (en) | 2017-03-07 | 2017-03-07 | Flashlight with replaceable head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710129864.7A CN106764591B (en) | 2017-03-07 | 2017-03-07 | Flashlight with replaceable head |
Publications (2)
| Publication Number | Publication Date |
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| CN106764591A CN106764591A (en) | 2017-05-31 |
| CN106764591B true CN106764591B (en) | 2022-10-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710129864.7A Active CN106764591B (en) | 2017-03-07 | 2017-03-07 | Flashlight with replaceable head |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10337703B1 (en) * | 2018-03-20 | 2019-07-02 | Coast Cutlery Co. | Quick-disconnect flashlight |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201621475U (en) * | 2009-12-25 | 2010-11-03 | 郭振萍 | Novel rechargeable flashlight |
| US8556449B1 (en) * | 2011-10-21 | 2013-10-15 | Adam J. Matys | Combined flashlight and lantern |
| CN204554380U (en) * | 2014-11-25 | 2015-08-12 | 戴林杰 | Can be used for the flashlight of Identification of Jades |
| CN205979286U (en) * | 2016-08-08 | 2017-02-22 | 宁波步来特电器有限公司 | Removable flashlight of head |
| CN206861310U (en) * | 2017-03-07 | 2018-01-09 | 宁波赛虎电器有限公司 | A kind of flashlight on replaceable head |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6926422B2 (en) * | 2003-09-09 | 2005-08-09 | Azoteq (Pty) Ltd. | Flashlight |
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2017
- 2017-03-07 CN CN201710129864.7A patent/CN106764591B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201621475U (en) * | 2009-12-25 | 2010-11-03 | 郭振萍 | Novel rechargeable flashlight |
| US8556449B1 (en) * | 2011-10-21 | 2013-10-15 | Adam J. Matys | Combined flashlight and lantern |
| CN204554380U (en) * | 2014-11-25 | 2015-08-12 | 戴林杰 | Can be used for the flashlight of Identification of Jades |
| CN205979286U (en) * | 2016-08-08 | 2017-02-22 | 宁波步来特电器有限公司 | Removable flashlight of head |
| CN206861310U (en) * | 2017-03-07 | 2018-01-09 | 宁波赛虎电器有限公司 | A kind of flashlight on replaceable head |
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|---|---|
| CN106764591A (en) | 2017-05-31 |
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