CN214795544U - Projection lamp - Google Patents

Abstract

The utility model discloses a projection head, the projection lamp comprises a fixed seat, the fixed seat comprises a groove and a limiting part which extends upwards from the bottom wall of the groove; the rotating part comprises an opening penetrating through the upper surface and the lower surface of the rotating part, a rotating shaft part arranged around the opening and a gear ring positioned on the outer side of the rotating shaft part, and the rotating shaft part is positioned between the limiting part and the rotating shaft part in the horizontal direction; the motor drives the rotating seat to rotate; the light source is fixed on the fixed seat and is upwards exposed out of the opening; the cover body is fixed on the rotary seat and covers the rotary seat and is arranged above the light source, and the upper cover is fixed on the fixed seat.

Description

Projection lamp

[ technical field ] A method for producing a semiconductor device

The utility model relates to a projection lamp technical field, in particular to developments projection lamp.

Background

A current projection lamp, including the fixing base, install in roating seat, the light source subassembly of fixing base, be fixed in the casing of roating seat and set up in inboard projection piece, the drive of casing rotatory motor, the upper cover lid of roating seat are located the casing top, the fixing base includes the recess of establishing from its top surface undercut, the roating seat accept in the recess, the roating seat is including running through its upper and lower surface the opening, enclose and locate open-ended ring gear and being located the outer ring portion of ring gear, the downward butt of ring gear the diapire of recess, ring portion in the cell wall of recess forms the clearance on the horizontal direction, the gear of motor with the ring gear cooperation.

Because for the convenience of the motor drives the rotating seat to rotate, the rotating seat is movably matched with the fixed seat, but the fixed seat does not have a limiting structure in the horizontal direction, when the motor drives the rotating seat to rotate, the rotating seat is easy to move in the horizontal direction, so that the gear of the motor cannot be normally matched with the gear ring, the rotating seat cannot normally work, and the projection lamp cannot be normally used.

Therefore, there is a need to design a new projection lamp to overcome the above problems.

[ Utility model ] content

To the problem that the background art faces, the utility model provides a roating seat is including running through an opening of its upper and lower surface, protruding the stretching into the opening, the light source subassembly is fixed in the projection lamp of protruding portion.

In order to achieve the above object, the utility model adopts the following technical means:

a projection lamp, comprising: the fixing seat comprises a groove and a limiting part formed by upwards extending from the bottom wall of the groove; the rotating part comprises an opening penetrating through the upper surface and the lower surface of the rotating part, a rotating shaft part arranged around the opening and a gear ring positioned on the outer side of the rotating shaft part, the limiting part protrudes upwards into the opening and is positioned between the gear ring and the limiting part, and the limiting part limits the movement of the rotating shaft part in the horizontal direction; the motor drives the rotating seat to rotate; the light source component is fixed on the fixed seat and is upwards exposed out of the opening; the light source component is arranged on the rotary seat, the cover body is fixed on the rotary seat, and the cover body covers the projection film of the cover body.

Further, the restricting portion includes a base portion and a plurality of convex hulls formed to extend from the base portion, the convex hulls being disposed closer to the rotating shaft portion than the base portion.

Further, the convex hull and the rotating shaft part form a gap in the moisture direction.

Further, a plurality of the convex hulls are arranged around the rotating shaft part, and two adjacent convex hulls are arranged at intervals.

Furthermore, one side of the convex hull, which is close to the rotating shaft part, is of an arc structure, and one side of the convex hull, which is far away from the rotating shaft part, is of a concave structure matched with the convex hull.

Furthermore, the fixing seat comprises a clamping part which extends upwards from the bottom of the groove and protrudes into the opening, and the clamping part blocks the rotating seat from moving upwards.

Further, the rotating seat comprises a first step arranged around the opening, the first step is formed by extending the rotating shaft part towards the clamping part, and the clamping part is blocked above the first step.

Further, the clamping part comprises an arm part connected with the bottom wall of the groove and a blocking part formed by extending from the arm part to the first step, and the blocking part is positioned above the first step.

Furthermore, the blocking part comprises a guide part formed by obliquely extending from top to bottom, and the guide part guides the rotating seat to be arranged in the groove.

Further, the rotating shaft portion is abutted against the bottom wall of the groove downwards, and a gap is formed between the gear ring and the bottom wall of the groove.

Compared with the prior art, the utility model discloses a projection lamp has following beneficial effect:

through the roating seat accept in the recess, the rotating part is including running through the opening of its upper and lower surface and center on the pivot portion that the opening set up and being located the ring gear of pivot portion, the restriction portion is the epirelief to be gone into the opening just is located the ring gear with between the restriction portion, the restriction of restriction portion the removal of pivot portion on the horizontal direction is ensured the motor with the accurate cooperation of roating seat, thereby guarantee projection lamp normal use.

[ description of the drawings ]

Fig. 1 is an exploded perspective view of a projection lamp according to the present invention;

FIG. 2 is an exploded perspective view of the fixing base, the light source assembly and the rotating base shown in FIG. 1;

FIG. 3 is a perspective view of the fixing base shown in FIG. 2;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is a perspective view of the swivel base of FIG. 1 after being inverted;

FIG. 6 is a top view of the assembly of FIG. 2;

FIG. 7 is a cross-sectional view taken along line A-A of FIG. 6;

FIG. 8 is a perspective view of the projection mask and the rotary base of FIG. 1;

FIG. 9 is a cross-sectional view taken along line B-B of FIG. 8;

FIG. 10 is a partial enlarged view of c in FIG. 9;

FIG. 11 is an enlarged view of a portion d of FIG. 9;

FIG. 12 is an exploded perspective view of the projection housing of FIG. 8;

fig. 13 is a perspective view of the upper cover of fig. 1 after rotation. Reference numerals for specific embodiments illustrate:

projection lamp 100	Fixed seat 1	Base 11	Cover 12
				Through hole 121	Groove 122	Via 123	Protrusion 124
Clamping part125	Arm 1251	Baffle 1252	Buckling part 126
				Abdication groove 127	Restriction part 128	Base 1281	Convex closure 1282
Cavity 13	Rotating base 2	Opening 21	First step 22
				Second step 23	Card slot 24	First groove 241	Second groove 242
Fastening part 243	Guide surface 244	Rotating shaft part 25	Shaft portion 251
				Convex part 252	Ring gear 26	Ring portion 27	Electric machine 3
Gear 31	Light source assembly 4	Lamp panel 41	Lamp bulb 42
				Cover body 5	First part 51	Main body portion 511	Fitting portion 5111
Supporting part 512	Opening 513	Hook 514	Connecting part 5141
				Hook 5142	Second portion 52	Limiting part 521	Crimping portion 522
Through groove 523	Slide 6	First movie 61	Second movie 62
				Middle part 621	Edge portion 622	Upper cover 7	Inner surface 71
Locking part 72	Main board 8	Battery 9

[ detailed description ] embodiments

For better understanding of the objects, structures, features, and functions of the present invention, reference should now be made to the drawings and detailed description of the invention.

As shown in fig. 1 and 2, for the projection lamp 100 of the present invention, the projection lamp 100 includes a fixing base 1, is fixed in a light source assembly 4, a movable mounting of the fixing base 1 in a rotary base 2, fixed in the rotary base 2 and the cover are located a cover body 5, a drive above the light source assembly 4 a motor 3 of the rotary base 2, accept in the mainboard 8 and the battery 9 of the fixing base 1 and a lock in an upper cover 7 of the fixing base 1, the battery 9 and the motor 3 all with the mainboard 8 electric connection.

As shown in fig. 2 and 3, the fixing base 1 includes a base 11 and a cover 12 fastened on the base 11, the base 11 and the cover 12 form a cavity 13, and the main board 8 and the battery 9 are accommodated in the cavity 13. The cover 12 includes a recess 121 formed by recessing downward from the upper surface thereof, and a through hole 122 and a through hole 123 penetrating the cover 12 from top to bottom, wherein the through hole 122 and the through hole 123 penetrate the bottom wall of the recess 121 from top to bottom, the through hole 123 is located outside the through hole 122, the diameter of the through hole 122 is larger than that of the through hole 123, and the recess 121 is communicated with the cavity 13. The cover 12 further includes a plurality of holding portions 125 and a plurality of protruding portions 124 disposed around the through hole 122, a plurality of triangles formed by connecting lines between the protruding portions 124, the holding portions 125 and the protruding portions 124 both extend upward from the bottom wall of the groove 121, the holding portions 125 and the protruding portions 124 are not higher than the top surface of the cover 12, the holding portions 125 are lower than the protruding portions 124, the holding portions 125 and the protruding portions 124 are alternately disposed around the axial direction of the through hole 122, the protruding portions 124 are closer to the center of the through hole 122 than the holding portions 125, and the through hole 123 is located outside the protruding portions 124. In an embodiment, a connecting line between the plurality of the fastening parts 125 forms a triangle, each fastening part 125 includes an arm 1251 connected to the cover 12, and a stopper 1252 extending from the arm 1251 in a direction away from the light source assembly 4, the cover 12 is provided with a recess 127 corresponding to the arm 1251, the recess 127 passes through the cover 12 from top to bottom, a gap is formed between the stopper 1252 and the first step 22, the stopper 1252 is located above the first step 22 to restrain the rotary base 2 from being detached from the groove 122, the cover 12 horizontally faces the fastening part 126 formed by recessing the through hole 122 from an outer surface of the cover 12, the cover 12 is substantially cylindrical in shape, and the plurality of fastening parts 126 are distributed along an axial direction of the cover 12.

As shown in fig. 3 and fig. 4, the cover 12 further includes a limiting portion 128 extending upward from the bottom of the groove, the limiting portion 128 is disposed to surround the retaining portion 125 and the protruding portion 124 in the horizontal direction, the limiting portion 128 is disposed lower than the retaining portion 125, the limiting portion 128 includes a base portion 1281 and a convex hull 1282 extending from the base portion 1281, a side of the convex hull 1282 close to the light source assembly 4 is in an arc structure, and a side of the convex hull 1282 away from the light source assembly 4 is in a concave structure matching the convex hull 1282, in this embodiment, the limiting portion 128 is in a ring structure, and a plurality of the convex hulls 1282 are spaced apart along the circumference of the limiting portion 1282, but other structures are also possible in other embodiments.

1. As shown in fig. 3, 4 and 6, the rotating base 2 is accommodated in the recess 121, the top surface of the rotating base 2 is not higher than the top surface of the fixing base 1, the rotating base 2 includes an opening 21 penetrating through the upper and lower surfaces thereof, and a first step 22, a second step 23 and a gear ring 26 surrounding the opening 21, the second step 23 is defined as a step portion, the opening 21 communicates with the through hole 122 and the two are aligned up and down, the diameter of the opening 21 is larger than that of the through hole 122, and the first step 22 is lower than the second step 23. The retaining portion 125 and the protruding portion 124 both protrude upwards into the opening 21, the retaining portion 125 is fastened to the first step 22 to prevent the rotating base 2 from moving upwards, and the protruding portion 124 is disposed upwards beyond the second step 23 but lower than the top surface of the rotating base 2. The rotating base 2 further includes a plurality of slots 24 disposed around the opening 21, the slots 24 vertically penetrate the rotating base 2, each slot 24 includes a first slot 241 and a second slot 242 communicating with the first slot 241, a width of the first slot 241 in a horizontal direction is greater than a width of the second slot 242 in the horizontal direction, the fastening portion 243 is formed on a slot wall of the second slot 242, and a guide surface 244 is formed at an interconnection between a slot wall of the second slot 242 and a slot wall of the first slot 241. The swivel base 2 further includes a rotating shaft portion 25 provided around the opening 21, the rotating shaft portion 25 being located inside the ring gear 26, the first step 22 being formed extending from the rotating shaft portion 25 toward the retaining portion 125, the stopper portion 1252 including a guide portion guiding the mounting of the swivel base 2 to the recess 122, the restricting portion 128 being located between the ring gear 26 and the rotating shaft portion 25 in the horizontal direction, the projection 1282 being provided closer to the rotating shaft portion 25 than the restricting portion 128, the rotating shaft portion 25 including a shaft portion 251 and a plurality of projections 252 extending downward from the shaft portion, i.e., the projections 252 abut downward against the bottom wall of the recess 122, and a portion of the shaft portion 251 where the projections 252 are not provided and the bottom wall of the recess 122 form a gap in the up-down direction, the shaft portion 251 being of a circular ring structure, the plurality of projections 252 being provided spaced apart in the circumferential direction of the shaft portion 251, and are spaced from each other, the convex portions 252 are of an arc structure, the bottom of the rotating shaft portion 128 in the vertical direction is lower than the bottom of the gear ring 26 in the vertical direction, and a gap is formed between the gear ring 26 and the bottom wall of the groove 122.

As shown in fig. 2 and 3, the motor 3 includes a gear 31 protruding into the through hole 123, and the gear 31 cooperates with the ring gear 26 to drive the rotary base 2 to rotate.

As shown in fig. 3, 4 and 6, the light source assembly 4 is electrically connected to the main board 8, the light source assembly 4 includes a lamp panel 41 and a plurality of lamp beads 42 fixed to the lamp panel 41, the lamp panel 41 is fixed to the protruding portion 124 and is accommodated in the opening 21, and the lamp panel 41 is located above the second step 23 and is not higher than the upper surface of the rotary base 2. The lamp panel 41 and the second step 23 form a gap in the up-down direction. In this embodiment, the lamp panel 41 is fixed to the protruding portion 124 by a screw, and the protruding portion 124 is a circular column, and an internal thread (not shown) matched with the screw is formed inside the circular column. The light emitted from the lamp bead 42 irradiates the first slide 61 and the second slide 62, and the patterns on the first slide 61 and the second slide 62 can be seen through the first portion 5.

As shown in fig. 2, 9 and 10, the cover 5 includes a first portion 5 and a second portion 52 covering the first portion, in this embodiment, the first portion 51 and the second portion 52 are a transparent rubber ring structure, and the first portion 51 is abutted to the rotating base 2 downward. The first portion 51 includes a main body portion 511 extending in the vertical direction, an opening 513 penetrating through the main body portion 511, and a supporting portion 512 extending in the horizontal direction from the main body portion 511, where the main body portion 511 includes a matching portion 5111 engaged with the second portion 52, in this embodiment, the main body portion 511 is a hollow cylinder, the opening 513 is a circular hole, and the supporting portion 512 extends from the matching portion 5111 toward the center of the opening 513 to form a circular ring around the opening 513, that is, the diameter of the opening 513 at the circular hole corresponding to the portion where the supporting portion 512 is disposed may be smaller than the diameter at other positions. The first portion 51 further includes at least one hook 514 connected to the main body 511, the hook 53 extends in a direction away from the first portion 51, and the hook 53 first protrudes into the slot 24 and then rotates along the central axis of the opening 21 to be fastened to the slot wall of the slot 24. The hook 514 protrudes into the first groove 241 before being fastened to the fastening portion 243, the fastening hook 514 moves from the first groove 241 to the second groove 242, and the guiding surface 244 guides the fastening hook 514 to move from the first groove 241 to the second groove 242. In this embodiment, there are a plurality of hooks 514, but in other embodiments, there may be at least two hooks 514 (see fig. 8). The second portion 52 includes a limiting portion 521, a press-connection portion 522 extending from the limiting portion 521 in a horizontal direction (i.e., the press-connection portion 522 is perpendicular to the limiting portion 521), and a through groove 523 vertically penetrating through the press-connection portion 522, wherein the limiting portion 521 is fastened to the matching portion 5111 and located outside the matching portion 5111, the press-connection portion 522 is located above the supporting portion 512, and the press-connection portion 522 and the supporting portion 512 are parallel to each other and vertically aligned. The opening 513 and the through groove 523 are communicated with each other and have the same diameter.

As shown in fig. 7, 9 and 10, the slide 6 includes a first film 61 disposed in the first portion 51 and a second film 62 disposed in the second portion 52, i.e., the slide 6 is detachably disposed from the housing 5. The light source assembly 4 is located in a space enclosed by the first film 61 and the second film 62. The first film 61 includes an unfolded state and a closed state, the unfolded state of the first film 61 is a film with a flat structure, so as to print patterns on a transparent film, the closed state of the first film 61 forms a cylindrical shape and is accommodated on the inner surface of the first portion 51, in other words, the shape of the closed state of the first film 61 matches with the shape of the second portion 52 to completely shield the inner surface of the first portion 51, and the connecting ends of the first film 61 are partially overlapped to prevent the first portion 51 from having a part uncovered by the first film 61. The supporting portion 512 is located above the first film 61, the bottom of the first film 61 is flush with the bottom of the first portion 51, the supporting portion 512 and the rotating base 2 together limit the movement of the first film 61 in the up-down direction, in this embodiment, the first film 61 abuts against the supporting portion 512 upwards. The second film 62 is located below the press-connection part 522, the second film 62 includes an intermediate portion 621 and an edge portion 622 formed by extending from the intermediate portion 621 along a horizontal direction, a diameter of the intermediate portion 621 is equal to a diameter of the through groove 523, the intermediate portion 621 is exposed upward to the through groove 523 and exposed downward to the opening 513, so that light emitted by the lamp bead 42 directly penetrates through the intermediate portion 621 and the upper cover 7 to irradiate on a projection surface, a projected pattern is clearer, the support part 512 supports the edge portion 622 upward, and the press-connection part 522 presses the edge portion 622 downward, that is, the edge portion 622 is located between the support part 512 and the press-connection part 522, so as to prevent the second film 62 from moving up and down. In this embodiment, the second movie 62 is a circular film.

As shown in fig. 1 and 2, the upper cover 7 is disposed outside the cover body 5, the upper cover 7 extends from an inner surface 71 of the upper cover 7 to form a locking portion 72, and the locking portion 72 and the fastening portion 126 are fixed to each other, so as to prevent the upper cover 7 from being detached from the fixing base 1.

As shown in fig. 1 and 2, during assembly, the battery 9 and the main board 8 are first mounted on the base 11, the motor 3 is then fixed to the cover 12 or the base 11, and the cover 12 is fixed to the base 11; then, the rotating base 2 is installed on the cover 12, the light source assembly 4 is fixed on the cover 12, the cover 5 is rotated relative to the fixing base 1 to fasten the locking portion 72 to the fastening portion 125 of the fixing base 1, and finally, the upper cover 7 is rotated to fasten to the fixing base 1.

To sum up, the utility model discloses a projection lamp has following beneficial effect:

(1) through the roating seat 2 accept in recess 122, the rotating part 2 is including running through its upper and lower surface opening 21 and around the pivot portion 25 that opening 21 set up and be located the ring gear 26 of pivot portion 25, restriction portion 128 is upwards protruding to be gone into opening 21 and be located the ring gear 25 with between the restriction portion 128, restriction portion 128 restriction the removal of pivot portion 25 in the horizontal direction, ensure the motor 3 with the accurate cooperation of roating seat 3, thereby guarantee the normal use of projection lamp 100.

(2) The limiting part 128 comprises a base 1281 and a plurality of convex hulls 1282 formed by extending from the base 1281, wherein the convex hulls 1282 are arranged closer to the rotating shaft part 25 relative to the base 1281, the rotating base 2 is positioned at multiple points in the horizontal direction, the contact area between the rotating shaft part 25 and the limiting part 128 is reduced, the friction force and the loss between the rotating shaft part 25 and the limiting part 128 are reduced, and the service life of the projection lamp 100 is prolonged.

(3) The rotating shaft part 25 is downwards abutted to the bottom wall of the groove 122, and a gap is formed between the gear ring 25 and the bottom wall of the groove 122, so that the motor 3 drives the rotating seat 2 to rotate.

The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all the equivalent technical changes using the description and drawings of the present invention are included in the scope of the present invention.

Claims (10)

1. A projection lamp, comprising:

the fixing seat comprises a groove and a limiting part formed by upwards extending from the bottom wall of the groove;

the rotating seat is accommodated in the groove and comprises an opening penetrating through the upper surface and the lower surface of the rotating seat, a rotating shaft part arranged around the opening and a gear ring positioned on the outer side of the rotating shaft part, the limiting part protrudes upwards into the opening and is positioned between the gear ring and the limiting part, and the limiting part limits the movement of the rotating shaft part in the horizontal direction;

the motor drives the rotating seat to rotate;

the light source component is fixed on the fixed seat and is upwards exposed out of the opening;

the light source component is arranged on the rotary seat, the cover body is fixed on the rotary seat, and the cover body covers the projection film of the cover body.

2. The projection lamp of claim 1 wherein: the restricting portion includes a base portion and a plurality of convex hulls formed to extend from the base portion, the convex hulls being disposed closer to the shaft portion than the base portion.

3. A projection lamp as claimed in claim 2, characterized in that: the convex hull and the rotating shaft part form a gap in the moisture direction.

4. A projection lamp as claimed in claim 3, characterized in that: the convex hulls are arranged around the rotating shaft part, and two adjacent convex hulls are arranged at intervals.

5. The projection lamp of claim 4 wherein: one side of the convex hull, which is close to the rotating shaft part, is of an arc structure, and one side of the convex hull, which is far away from the rotating shaft part, is of a concave structure matched with the convex hull.

6. The projection lamp of claim 1 wherein: the fixing seat comprises a clamping part which extends upwards from the bottom of the groove and protrudes into the opening, and the clamping part blocks the rotating seat from moving upwards.

7. The projection lamp of claim 6 wherein: the rotating seat comprises a first step surrounding the opening, the first step is formed by extending the rotating shaft part towards the clamping part, and the clamping part is blocked above the first step.

8. The projection lamp of claim 7 wherein: the clamping part comprises an arm part connected with the bottom wall of the groove and a blocking part formed by extending from the arm part to the first step, and the blocking part is positioned above the first step.

9. A projection lamp as claimed in claim 8, wherein: the blocking part comprises a guide part formed by obliquely extending from top to bottom, and guides the rotating seat to be arranged in the groove.

10. The projection lamp of claim 1 wherein: the rotating shaft portion is downwards abutted to the bottom wall of the groove, and a gap is formed between the gear ring and the bottom wall of the groove.

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