CN220252367U - Projector with magnetic lens cover - Google Patents

Abstract

The utility model discloses a projector with a magnetic lens cover, which comprises a projector body, wherein a projection lens is arranged on one side of the projector body, a baffle is sleeved on the outer wall of the projection lens, the baffle is fixedly connected with the outer wall of the projector body, and a protection mechanism is sleeved on the outer side of the projection lens. The beneficial effects are that: through the protection machanism that the projection lens outside cover of setting was established, can be through the fixed cover shell of mode that the magnetism was inhaled, make the laminating of cover shell on projection lens, in order to protect projection lens, and set up the helicla flute on projection lens outer wall, can prevent that the cover shell from receiving external force and breaking away from on the helicla flute through the ball laminating that sets up in the cover shell, when the cover shell received external force and not hard up, because the ball can't separate immediately with the cooperation of helicla flute, thereby the magnetic force of permanent magnet one and permanent magnet two attracts each other and thereby makes the cover shell adsorb again on the projecting apparatus, make the protection effect more stable.

Description

Projector with magnetic lens cover

Technical Field

The utility model relates to the technical field of projectors, in particular to a projector with a magnetic lens cover.

Background

The projector is a device capable of projecting images or videos onto a curtain, and can be connected with a computer, a VCD (video display device) and the like through different interfaces to play corresponding video signals, and a light source used by the projector comprises a traditional high-intensity gas discharge light source and a novel solid light source represented by an LED light source and a laser light source.

According to the projector with the magnetic lens cover disclosed in Chinese patent publication No. CN217587846U, the PU protective cover can be folded and rotated through the folding edge, so that when the whole device is idle, the magnetic lens cover can be attached and fixed with the left irradiation part of the projector through the magnetic strip, and further the irradiation area of the projector can be covered and protected, so that the problem that dust, water vapor and the like enter the irradiation part to cause pollution and damage and cause difficult cleaning is solved.

According to the above patent, the magnetic strip is adopted to magnetically attract the projector for protection, and the magnetic strip is only arranged inside the folding edge, so that the folding edge is easy to be opened by external force when the folding edge is attached by the magnetic strip, and the magnetic force of the magnetic strip needs to be enhanced in order to avoid the folding edge being opened by external force, however, after the magnetic force of the magnetic strip is increased, the too strong magnetic field can interfere the normal operation of the projector.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

The present utility model is directed to a projector with a magnetic lens cover, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a projecting apparatus with magnetic lens lid, includes the projecting apparatus body, one side of projecting apparatus body is provided with projection lens, projection lens's outer wall cover is equipped with the baffle, the baffle with the outer wall fixed connection of projecting apparatus body, projection lens's outside cover is equipped with protection machanism.

Further, the protection mechanism comprises a casing, a first permanent magnet and a second permanent magnet, the casing is sleeved on the outer side of the projection lens in a sliding mode, a plurality of first permanent magnets are fixedly embedded in the opening of the casing, and a second permanent magnet matched with the first permanent magnet is embedded in one side of the baffle.

Further, the inner rotary sleeve of the casing is provided with a circular ring, the circular ring is internally symmetrically and spirally embedded with two balls, and the outer wall of the projection lens is provided with a spiral groove and is in contact with the balls.

Further, a first check ring is clamped at the opening of the casing, and the first check ring is in contact with the first permanent magnet.

Further, a second retainer ring is clamped on one side of the baffle, and the second retainer ring is in contact with the second permanent magnet.

Compared with the prior art, the utility model has the following beneficial effects:

1. through the protection machanism that the projection lens outside cover of setting was established, can be through the fixed cover shell of mode that the magnetism was inhaled, make the laminating of cover shell on projection lens, in order to protect projection lens, and set up the helicla flute on projection lens outer wall, can prevent that the cover shell from receiving external force and breaking away from on the helicla flute through the ball laminating that sets up in the cover shell, when the cover shell received external force and not hard up, because the ball can't separate immediately with the cooperation of helicla flute, thereby the magnetic force of permanent magnet one and permanent magnet two attracts each other and thereby makes the cover shell adsorb again on the projecting apparatus, make the protection effect more stable.

2. Through setting up permanent magnet one in the cover shell and the permanent magnet two of baffle, can laminate the cover shell on the projecting apparatus through the mutual attraction of magnetic force to ball and the ring of setting, when the cover shell is installed on the projection lens, the ball rolls in the helicla flute and drives the ring rotation, prevents the cover shell after the installation because external force pine takes off and leads to the cover shell to drop and can't play the effect of protection through the pivoted mode.

3. Through the retaining ring I and the retaining ring II that set up, can protect permanent magnet I and permanent magnet II to the effect of retaining ring I and retaining ring II can also avoid permanent magnet I and permanent magnet II's surface to adsorb rubbish such as iron fillings, and the connection mode of retaining ring I and retaining ring II joint that sets up, in case permanent magnet I and permanent magnet II have adsorbed the iron fillings, can dismantle the retaining ring and clean.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a projector provided with a magnetic lens cover according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a protective mechanism in a projector with a magnetic lens cover according to an embodiment of the utility model;

fig. 3 is a schematic structural view of a ring in a projector with a magnetic lens cover according to an embodiment of the utility model.

Reference numerals:

1. a projector body; 2. a projection lens; 3. a baffle; 4. a protective mechanism; 5. a casing; 6. a permanent magnet I; 7. a permanent magnet II; 8. a circular ring; 9. a ball; 10. a spiral groove; 11. a first check ring; 12. and a second check ring.

Detailed Description

The utility model is further described below with reference to the accompanying drawings and detailed description:

example 1

Referring to fig. 1-3, a projector with a magnetic lens cover according to an embodiment of the utility model includes a projector body 1, a projection lens 2 is disposed on one side of the projector body 1, a baffle 3 is sleeved on an outer wall of the projection lens 2, the baffle 3 is fixedly connected with an outer wall of the projector body 1, and a protection mechanism 4 is sleeved on an outer side of the projection lens 2.

According to the scheme of the utility model, through the protection mechanism 4 sleeved outside the projection lens 2, the casing 5 can be fixed in a magnetic attraction manner, so that the casing 5 is attached to the projection lens 2 to protect the projection lens 2, and the spiral groove 10 arranged on the outer wall of the projection lens 2 can be attached to the spiral groove 10 through the ball 9 arranged in the casing 5, so that the casing 5 can be prevented from being separated by external force, and when the casing 5 is loosened due to external force, the ball 9 cannot be separated from the spiral groove 10 immediately due to the matching, so that the magnetic force of the permanent magnet I6 and the permanent magnet II 7 are attracted to each other, the casing 5 is adsorbed on the projector again, and the protection effect is more stable.

Example 2

Referring to fig. 2-3, the protection mechanism 4 includes a casing 5, a first permanent magnet 6 and a second permanent magnet 7, the casing 5 is slidably sleeved on the outer side of the projection lens 2, a plurality of first permanent magnets 6 are fixedly embedded in an opening of the casing 5, a second permanent magnet 7 matched with the first permanent magnet 6 is embedded in one side of the baffle 3, a circular ring 8 is rotatably sleeved in the casing 5, two balls 9 are symmetrically embedded in the circular ring 8 in a rolling manner, and a spiral groove 10 is formed in the outer wall of the projection lens 2 and is in contact with the balls 9.

According to the scheme of the utility model, the first permanent magnet 6 in the casing 5 and the second permanent magnet 7 of the baffle 3 are arranged, so that the casing 5 can be attached to the projector through mutual attraction of magnetic force, and the ball 9 and the circular ring 8 are arranged, when the casing 5 is installed on the projection lens 2, the ball 9 rolls in the spiral groove 10 to drive the circular ring 8 to rotate, and the casing 5 is prevented from falling off due to loosening of external force after the casing 5 is installed in a rotating mode, so that the protection effect cannot be achieved.

Example 3

Referring to fig. 2, a first retainer ring 11 is clamped at the opening of the casing 5, the first retainer ring 11 contacts with the first permanent magnet 6, a second retainer ring 12 is clamped at one side of the baffle 3, and the second retainer ring 12 contacts with the second permanent magnet 7.

Through the scheme, the first permanent magnet 6 and the second permanent magnet 7 can be protected through the first retaining ring 11 and the second retaining ring 12, the first retaining ring 11 and the second retaining ring 12 can also prevent the surfaces of the first permanent magnet 6 and the second permanent magnet 7 from adsorbing garbage such as scrap iron, and the first retaining ring 11 and the second retaining ring 12 are connected in a clamping manner, once scrap iron is adsorbed on the first permanent magnet 6 and the second permanent magnet 7, the retaining rings can be disassembled for cleaning.

In order to facilitate understanding of the above technical solutions of the present utility model, the following describes in detail the working principle or operation manner of the present utility model in the actual process.

During practical application, the casing 5 is sleeved on the projection lens 2, then the casing 5 is pressed to enable the balls 9 to roll in the spiral groove 10 to drive the circular ring 8 to rotate, so that the casing 5 is completely sleeved on the projection lens 2, and then the casing 5 is attached to the projector to protect the projection lens 2 through the magnetic force absorption of the permanent magnet I6 and the permanent magnet II 7, when the casing 5 is loosened due to external force, the falling speed of the casing 5 is slowed down due to the rotation separation of the balls 9 and the circular ring 8, and therefore after the external force is affected, the casing 5 can be re-absorbed through the magnetic force of the permanent magnet I6 and the permanent magnet II 7, the casing 5 is prevented from being directly fallen off due to the external force, and the protection effect of the casing 5 on the lens is better.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a projecting apparatus with magnetic attraction type lens cap, its characterized in that, including projecting apparatus body (1), one side of projecting apparatus body (1) is provided with projection lens (2), the outer wall cover of projection lens (2) is equipped with baffle (3), baffle (3) with the outer wall fixed connection of projecting apparatus body (1), the outside cover of projection lens (2) is equipped with protection machanism (4), protection machanism (4) include cover shell (5), permanent magnet one (6) and permanent magnet two (7), the outside slip cap of projection lens (2) is equipped with cover shell (5), the fixed a plurality of permanent magnet one (6) that inlay in opening part of cover shell (5), one side of baffle (3) inlay establish with permanent magnet one (6) matched with permanent magnet two (7).

2. The projector with the magnetic lens cover according to claim 1, wherein the shell (5) is rotatably sleeved with a circular ring (8), two balls (9) are symmetrically embedded in the circular ring (8) in a rolling way, and a spiral groove (10) is formed in the outer wall of the projection lens (2) and is in contact with the balls (9).

3. The projector with the magnetic lens cover according to claim 1, wherein a first retainer ring (11) is clamped at the opening of the housing (5), and the first retainer ring (11) is in contact with the first permanent magnet (6).

4. The projector with the magnetic lens cover according to claim 1, wherein a second retainer ring (12) is clamped on one side of the baffle plate (3), and the second retainer ring (12) is in contact with the second permanent magnet (7).