CN212005568U

CN212005568U - Freely telescopic cylindrical structure for lamp

Info

Publication number: CN212005568U
Application number: CN202021251874.1U
Authority: CN
Inventors: 朱心晟
Original assignee: Shenzhen Bingsheng Photoelectric Technology Co ltd
Current assignee: Shenzhen Bingsheng Photoelectric Technology Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2020-11-24
Anticipated expiration: 2030-07-01

Abstract

The utility model discloses a freely telescopic tubular structure for lamps, which relates to the technical field of lamps and mainly aims to solve the problems of short adjusting stroke and inconvenient adjustment of a one-way telescopic structure; including lens ring one, lens ring two, lens ring three, lens ring four, lens ring five and lens ring six, lens ring four respectively with lens ring three with lens ring five threaded connection, lens ring three and lens ring five with lens ring four threaded connection revolve to opposite, lens ring six suit is fixed in lens ring four on, demountable installation has lens A in the lens ring one, lens ring one with lens ring five fixed connection, lens ring three one end can be dismantled and be connected with the connecting piece that is used for installing lens B, this application is through rotating lens ring six, lens ring six drives lens ring four and rotates, make lens ring three and lens ring five flexible to opposite direction simultaneously, the distance between quick adjustment lens A and the lens B, relative unidirectional adjustment stroke is bigger, and is convenient and practical.

Description

Freely telescopic cylindrical structure for lamp

Technical Field

The utility model relates to the technical field of lamps and lanterns, specifically a can freely stretch out and draw back tubular structure for lamps and lanterns.

Background

The lamp is an appliance capable of transmitting light, distributing and changing the light distribution of a light source, and comprises all parts except the light source, which are required for fixing and protecting the light source, and circuit accessories which are necessary for connecting with a power supply.

Some lamps and lanterns are in the use, probably need carry out the focusing, generally adopt one-way extending structure to adjust on the market now, but one-way extending structure adjusts the stroke weak point, adjusts inconveniently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can freely stretch out and draw back tubular structure for lamps and lanterns to solve above-mentioned problem.

In order to achieve the above object, the utility model provides a following technical scheme:

a freely telescopic cylindrical structure for a lamp comprises a lens ring I, a lens ring II, a lens ring III, a lens ring IV, a lens ring V and a lens ring VI, wherein the lens ring IV is respectively in threaded connection with the lens ring III and the lens ring V, the lens ring IV is sleeved outside the lens ring III, the lens ring V is sleeved outside the lens ring IV, the lens ring III and the lens ring V are in threaded connection with the lens ring IV in opposite directions, the lens ring VI is sleeved and fixed on the lens ring IV, the lens ring II is sleeved outside the lens ring I, the lens ring III is sleeved outside the lens ring II, four milling grooves are formed in the lens ring II in the same axial direction, screws can be movably arranged in the four milling grooves in the lens ring II in a penetrating manner, the screws in any two 180-degree milling grooves are in threaded connection with the lens ring I, and the screws in the other two milling grooves are in threaded connection with the lens ring III, the lens ring I is internally detachably provided with a lens A, the lens ring I is fixedly connected with the lens ring V, and one end of the lens ring III is detachably connected with a connecting piece used for installing a lens B.

On the basis of the technical scheme, the utility model discloses still provide following optional technical scheme:

in one alternative: the third lens ring is of an external reverse thread structure, the fourth lens ring is of an external positive thread structure and an internal reverse thread structure, and the fifth lens ring is of an internal positive thread structure.

In one alternative: the first lens ring is internally provided with a step for limiting the lens A, and the first lens ring is further in threaded connection with a face ring for compressing and positioning the lens A.

In one alternative: the connecting piece comprises a seventh lens ring, an eighth lens ring and a ninth lens ring, the seventh lens ring is fixedly connected with the third lens ring, a plurality of spiral grooves are formed in the seventh lens ring in an annular and equally-spaced mode, the seventh lens ring is sleeved outside the eighth lens ring, the lens B is detachably mounted in the eighth lens ring, a plurality of studs are connected to the eighth lens ring in a threaded mode, the number of the studs is equal to that of the spiral grooves and corresponds to that of the spiral grooves in a one-to-one mode, the studs penetrate through the spiral grooves and extend to the seventh lens ring, the ninth lens ring is sleeved outside the seventh lens ring, and guide grooves for the studs to stretch into and move are formed in the nine inner wall.

In one alternative: an elastic steel sheet and a tetrafluoro gasket are arranged between the seventh lens ring and the eighth lens ring, an elastic steel sheet is arranged on the outer wall of the eighth lens ring, the tetrafluoro gasket is sleeved on the elastic steel sheet, and the tetrafluoro gasket is in contact with the inner wall of the seventh lens ring.

In one alternative: an elastic steel sheet and a tetrafluoro gasket are also arranged between the first lens ring and the second lens ring.

Compared with the prior art, the beneficial effects of the utility model are as follows:

this application is equipped with installed part and extensible member, and six through rotating lens ring, six drive lens ring four rotations of lens ring to make three lens ring and five lens ring simultaneously to opposite direction flexible, lens ring five drive lens ring one motion, lens ring three drive connecting piece reverse motion, the distance between quick adjustment lens A and the lens B, relative one-way regulation stroke is bigger, convenient and practical.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a schematic view of a lens ring three, a lens ring four, a lens ring five, and a lens ring six in a first embodiment of the present invention in an extended state.

Fig. 3 is a schematic view of the first embodiment of the present invention in a state where the third lens ring, the fourth lens ring, the fifth lens ring and the sixth lens ring are shortened in cooperation.

Fig. 4 is a schematic view illustrating the installation of the first lens ring, the second lens ring and the third lens ring according to the first embodiment of the present invention.

Fig. 5 is a schematic structural view of the second embodiment of the present invention in a shortened state.

Fig. 6 is a schematic structural view of a second embodiment of the present invention in an extended state.

Fig. 7 is an exploded view of a second embodiment of the present invention.

Notations for reference numerals: the lens comprises a first lens ring 1, a second lens ring 2, a third lens ring 3, a fourth lens ring 4, a fifth lens ring 5, a sixth lens ring 6, a seventh lens ring 7, an eighth lens ring 8, a ninth lens ring 9, a 10-lens A, an 11-face ring, a 12-decorative silica gel ring, a 13-stud bolt, a 14-spiral groove, a 15-lens B, a 16-elastic steel sheet and a 17-tetrafluoro gasket.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the drawings or description, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practical applications. The embodiments of the present invention are provided only for illustration, and not for limiting the scope of the present invention. Any obvious and obvious modifications or alterations to the present invention can be made without departing from the spirit and scope of the present invention.

Example 1

Referring to fig. 1 to 4, in an embodiment of the present invention, a freely retractable cylindrical structure for a lamp includes a lens ring i 1, a lens ring ii 2, a lens ring iii 3, a lens ring iv 4, a lens ring iv 5 and a lens ring iv 6, the lens ring iv 4 is respectively in threaded connection with the lens ring iii 3 and the lens ring iv 5, the lens ring iv 4 is threadedly mounted on the outside of the lens ring iii 3, the lens ring iv 5 is threadedly mounted on the outside of the lens ring iv 4, the lens ring iii 3 and the lens ring iv 5 are threadedly connected to the lens ring iv 4 in opposite directions, in this embodiment, the lens ring iii 3 is an external reverse thread structure, the lens ring iv 4 is an external forward thread and an internal reverse thread structure, the lens ring iv 5 is an internal forward thread structure, the lens ring iv 6 is fixedly mounted on the lens ring iv 4, in this embodiment, the lens ring iv 6 is preferably connected to the lens ring iv 4 by a screw, the second lens ring 2 is sleeved outside the first lens ring 1, the third lens ring 3 is sleeved outside the second lens ring 2, four milling grooves are formed in the second lens ring 2 at equal intervals in the circumferential direction, in the embodiment, the milling grooves are preferably waist-shaped, screws can be movably arranged in the four milling grooves in the second lens ring 2 in a penetrating manner, screws in any two 180-degree milling grooves are in threaded connection with the lens ring 1, the other two screws in the milling grooves are in threaded connection with the lens ring 3, so that the first lens ring 1 and the third lens ring 3 can move up and down relative to the second lens ring 2, a lens A10 is detachably arranged in the first lens ring 1, in the embodiment, a step for limiting the lens A10 is arranged in the first lens ring 1 to prevent the lens A10 from falling off, a face ring 11 for pressing and positioning the lens A10 is further in threaded connection with the first lens ring 1, and the fifth lens ring 5 are fixedly connected, in the embodiment, the first lens ring 1 is connected with the fifth lens ring 5 through a plurality of screws arranged annularly, one end of the third lens ring 3 is detachably connected with a connecting piece used for installing the lens B15, when the lens adjusting device works, the sixth lens ring 6 is rotated to drive the fourth lens ring 4 to rotate, so that the third lens ring 3 and the fifth lens ring 5 can simultaneously extend and retract in opposite directions, the fifth lens ring 5 drives the first lens ring 1 to move, the third lens ring 3 drives the connecting piece to move in the opposite direction, the distance between the lens A10 and the lens B15 can be rapidly adjusted, and the relative one-way adjustment stroke is larger, and the lens adjusting device is convenient and practical; furthermore, a decorative silica gel ring 12 for shielding the head of the screw is sleeved on the lens ring five 5.

Example 2

Referring to fig. 5 to 7, the embodiment of the present invention is different from embodiment 1 in that the connecting member includes a lens ring seven 7, a lens ring eight 8 and a lens ring nine 9, the lens ring seven 7 is fixedly connected to the lens ring three 3, a plurality of spiral grooves 14 are circumferentially arranged on the lens ring seven 7 at equal intervals, the lens ring seven 7 is sleeved outside the lens ring eight 8, and the lens B15 is detachably mounted in the lens ring eight 8, in this embodiment, the two lenses B15 are vertically arranged, one end of the lens ring eight 8 is screwed with a ferrule for pressing the edge of the lens B15, a convex ring for supporting the lens B15 is arranged on one side of the lens B15 away from the ferrule, the lens ring eight 8 is screwed with a plurality of studs 13, the number of the studs 13 is equal to the number of the spiral grooves 14 and corresponds to one another, the studs 13 pass through the spiral grooves 14 and extend to the outside of the lens ring seven 7, the nine 9 lens rings are sleeved outside the seven 7 lens rings, guide grooves for the studs 13 to extend into and move are formed in the inner walls of the nine 9 lens rings along the length direction, the nine 9 lens rings drive the studs 13 to move along the spiral grooves 14 in the seven 7 lens rings by rotating the nine 9 lens rings, the eight 8 lens rings are driven by the studs 13 to move, the B15 lenses are further driven to move in a telescopic mode, the distance between the B15 lenses and the A10 lenses can be further adjusted, and the adjusting range is wider;

furthermore, an elastic steel sheet 16 and a tetrafluoro gasket 17 are arranged between the seventh lens ring 7 and the eighth lens ring 8, in the embodiment, an elastic steel sheet 16 is arranged on the outer wall of the eighth lens ring 8, the tetrafluoro gasket 17 is sleeved on the elastic steel sheet 16, the tetrafluoro gasket 17 is in contact with the inner wall of the seventh lens ring 7, the elastic steel sheet 16 supports the tetrafluoro gasket 17 in the moving process, so that the tetrafluoro gasket 17 and the inner wall of the seventh lens ring 7 rub against each other to enhance the hand feeling and play a role in damping, and furthermore, the elastic steel sheet 16 and the tetrafluoro gasket 17 are also arranged between the first lens ring 1 and the second lens ring 2.

The utility model discloses a theory of operation is: when the lens ring device works, the lens ring six 6 is rotated, the lens ring six 6 drives the lens ring four 4 to rotate, so that the lens ring three 3 and the lens ring five 5 extend and retract in opposite directions simultaneously, the lens ring five 5 drives the lens ring one 1 to move, the lens ring three 3 drives the connecting piece to move in opposite directions, the distance between the lens A10 and the lens B15 is rapidly adjusted, the stroke is relatively large in one-way adjustment, and the lens ring device is convenient and practical; by rotating the lens ring nine 9, the lens ring nine 9 drives the stud 13 to move along the spiral groove 14 on the lens ring seven 7, the stud 13 drives the lens ring eight 8 to move, the lens B15 is further driven to perform telescopic movement, the distance between the lens B15 and the lens A10 can be further adjusted, and the adjusting range is wider.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. A freely telescopic cylindrical structure for a lamp is characterized by comprising a lens ring I (1), a lens ring II (2), a lens ring III (3), a lens ring IV (4), a lens ring V (5) and a lens ring VI (6), wherein the lens ring IV (4) is in threaded connection with the lens ring III (3) and the lens ring V (5) respectively, the lens ring IV (4) is sleeved outside the lens ring III (3) in a threaded manner, the lens ring V (5) is sleeved outside the lens ring IV (4) in a threaded manner, the threaded connection rotating directions of the lens ring III (3) and the lens ring V (5) and the lens ring IV (4) are opposite, the lens ring VI (6) is sleeved and fixed on the lens ring IV (4), the lens ring II (2) is sleeved outside the lens ring I (1), the lens ring III (3) is sleeved outside the lens ring II (2), and four milling grooves are formed in the lens ring II (2) in the upper ring direction at equal distance, the screw can be worn to be equipped with in all moving in the four milling flutes on lens ring two (2), screw and lens ring one (1) threaded connection in two arbitrary 180 degrees milling flutes, screw and lens ring three (3) threaded connection in two other milling flutes, demountable installation has lens A (10) in the lens ring one (1), lens ring one (1) and lens ring five (5) fixed connection, lens ring three (3) one end demountable connection has the connecting piece that is used for installing lens B (15).

2. The freely telescopic cylinder structure for a lamp as claimed in claim 1, wherein said lens ring three (3) is of external reverse thread structure, lens ring four (4) is of external positive thread and internal reverse thread structure, and said lens ring five (5) is of internal positive thread structure.

3. The freely telescopic cylindrical structure for lamp according to claim 1, wherein the lens ring I (1) is provided with a step for limiting the lens A (10), and the lens ring I (1) is further connected with a face ring (11) for pressing and positioning the lens A (10) in a threaded manner.

4. A freely telescopic cylinder for a luminaire according to any one of claims 1-3, characterized in that the connecting piece comprises a lens ring seven (7), a lens ring eight (8) and a lens ring nine (9), lens ring seven (7) and lens ring three (3) fixed connection, the hoop is equidistant to be equipped with many helicla flutes (14) on lens ring seven (7), lens ring seven (7) suit is outside in lens ring eight (8), lens B (15) demountable installation is in lens ring eight (8), threaded connection has many double-screw bolts (13) on lens ring eight (8), the quantity of double-screw bolt (13) is equal and the one-to-one with the quantity of helicla flute (14), double-screw bolt (13) pass helicla flute (14) and extend to lens ring seven (7) outsidely, lens ring nine (9) suit is outside in lens ring seven (7), lens ring nine (9) inner wall is seted up along length direction and is supplied double-screw bolt (13) to stretch into and the guide way of motion.

5. The freely telescopic cylindrical structure for the lamp according to claim 4, wherein an elastic steel sheet (16) and a tetrafluoro gasket (17) are arranged between the seventh lens ring (7) and the eighth lens ring (8), the elastic steel sheet (16) is installed on the outer wall of the eighth lens ring (8), the tetrafluoro gasket (17) is sleeved on the elastic steel sheet (16), and the tetrafluoro gasket (17) is in contact with the inner wall of the seventh lens ring (7).

6. The freely telescopic cylinder structure for lamps and lanterns of claim 5, characterized in that, also be equipped with elastic steel sheet (16) and tetrafluoro gasket (17) between lens ring one (1) and lens ring two (2).