CN218158687U - Shielding type projector focusing structure - Google Patents

Abstract

The utility model relates to a projecting apparatus technical field just discloses a shelter from formula projecting apparatus focusing structure, including the projecting apparatus main part, the inner chamber of projecting apparatus main part is provided with the projection ray apparatus, the printing opacity leads to the groove has been seted up to the front side of projecting apparatus main part, the right side of projecting apparatus main part is connected with the regulating box, the left side wall connection of regulating box has first focusing pipe, the right side wall connection of regulating box has the second focusing pipe, the utility model discloses the scheme can cooperate with linear slide rail through setting up first focusing pipe, second focusing pipe and can make this device extrude automatic rebound baffle in the use, makes the second focusing pipe stretch out the regulating box and open automatic rebound baffle by oneself, withdraws the regulating box with the second focusing pipe after finishing using, then automatic rebound baffle is closed by oneself, accomplishes the blockking of outside dust, improves the stability when this device uses, prevents that the dust from causing the damage to this device, can not influence the work of this device simultaneously.

Description

Shielding type projector focusing structure

Technical Field

The utility model belongs to the technical field of the projecting apparatus, specifically be a shelter from formula projecting apparatus focusing structure.

Background

The projector is a device capable of projecting images or videos onto a curtain, a lens needs to be covered after partial devices of the existing projector are used, the influence of external dust on the service life of the lens of the projector is avoided, the focusing device is connected with the lens of the projector, automatic or manual adjustment of the focusing device is guaranteed, the existing method covers the device manually for users, and the device is troublesome, and therefore a shielding type projector focusing structure is provided.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a shelter from formula projecting apparatus focusing structure, the effectual projecting apparatus of having solved is one kind can be with the equipment of image or video projection on the curtain, present partial equipment of projecting apparatus need cover the camera lens after finishing when using, avoid outside dust to influence the life-span of projecting apparatus camera lens, because of projecting apparatus camera lens connection focusing equipment, in order to ensure the automation or the manual regulation of focusing equipment, current method covers it for the user of service is manual, comparatively trouble problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a shelter from formula projecting apparatus focusing structure, includes the projecting apparatus main part, the inner chamber of projecting apparatus main part is provided with the projection ray apparatus, the front side of projecting apparatus main part is opened and is equipped with printing opacity logical groove, the right side of projecting apparatus main part is connected with the regulating box, the left side wall connection of regulating box has first focusing pipe, the right side wall connection of regulating box has the second focusing pipe, the right side of first focusing pipe is located the left side of second focusing pipe, the right side of regulating box is connected with automatic resilience baffle, the left side of first focusing pipe is provided with first focusing ring, the right side of second focusing pipe is provided with second focusing ring, linear slide rail is installed to the lower lateral wall of regulating box inner chamber, linear slide rail's removal end is connected with the downside of second focusing pipe.

Preferably, the automatic rebounding baffle comprises a torsion spring hinge and a shielding plate, and the projector main body is connected with the shielding plate through the torsion spring hinge.

Preferably, four groups of limiting blocks are arranged on the outer side of the first focusing pipe at equal intervals, and sliding grooves matched with the limiting blocks are formed in the inner wall of the second focusing pipe.

Preferably, a first motor is installed on the outer side of the first focusing pipe, a third gear is connected to the outer side of the first focusing ring, a first gear is connected to the transmission end of the first motor, and the first gear is meshed with the third gear.

Preferably, a second motor is installed on the outer side of the second focusing pipe, a fourth gear is connected to the outer side of the second focusing ring, a second gear is connected to the transmission end of the second motor, and the second gear is meshed with the fourth gear.

Preferably, the left side wall and the right side wall of the inner cavity of the adjusting box are connected with two groups of guide rods, the upper side of the second focusing pipe is connected with a fixing plate, and the upper side of the fixing plate is connected with the guide rods.

Preferably, the left side of the automatic rebound baffle is connected with a flannel ring.

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

1. the automatic rebounding baffle can be extruded in the use process of the device by arranging the first focusing pipe and the second focusing pipe to be matched with the linear slide rail, the second focusing pipe extends out of the adjusting box to automatically open the automatic rebounding baffle, the second focusing pipe is retracted into the adjusting box after use is finished, then the automatic rebounding baffle is automatically closed, blocking of external dust is completed, stability of the device in use is improved, the device is prevented from being damaged by dust, and meanwhile focusing work of the device cannot be influenced;

2. the shielding plate can be automatically driven to return by arranging the torsion spring hinge, and meanwhile, the connection tightness between the shielding plate and the right side wall of the adjusting box is improved, so that the shielding plate cannot leave the right side wall of the adjusting box at will, and the shielding property to dust is improved;

3. can carry on spacingly to the second focusing pipe through setting up the stopper, avoid the second focusing pipe operation in-process to appear rocking, improve the stability of this device operation.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the optical-mechanical projector of the present invention;

FIG. 3 is a schematic view of the structure of the adjusting box of the present invention;

fig. 4 is a schematic view of a first focusing tube structure of the present invention;

fig. 5 is a schematic view of the first gear structure of the present invention.

In the figure: 100. a projector main body; 110. a projection light machine; 120. a light-transmitting through groove; 130. an adjusting box; 140. a first focus tube; 141. a limiting block; 142. a first motor; 143. a first gear; 150. a second focus tube; 151. a second motor; 152. a second gear; 153. a guide bar; 154. a fixing plate; 160. an automatic rebound baffle; 161. a torsion spring hinge; 162. a shielding plate; 163. a loop of flannel; 170. a first focus ring; 171. a third gear; 180. a second focus ring; 181. a fourth gear; 190. a linear slide.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a focus adjusting structure of a shielding type projector includes a projector main body 100, a projector optical machine 110 is fixedly disposed in an inner cavity of the projector main body 100, a light-transmitting through slot 120 is disposed at a front side of the projector main body 100, an adjusting box 130 is fixedly connected to a right side of the projector main body 100, a first focus adjusting tube 140 is fixedly connected to a left side wall of the adjusting box 130, a second focus adjusting tube 150 is fixedly connected to a right side wall of the adjusting box 130, a right side of the first focus adjusting tube 140 is located at a left side of the second focus adjusting tube 150, the right side of the first focus adjusting tube 140 is inserted into a left side of the second focus adjusting tube 150, an automatic rebounding baffle 160 is connected to the right side of the adjusting box 130, the automatic rebounding baffle 160 can automatically recover to its original position under the driving of its gravitational potential energy, and also can drive a shielding plate 162 to recover to its original position under the driving of a torsion spring hinge 161, a first focus ring 170 is disposed at the left side of the first focus adjusting tube 140, the right side of the second focusing tube 150 is provided with a second focusing ring 180, the lower side wall of the inner cavity of the adjusting box 130 is fixedly provided with a linear slide rail 190, the moving end of the linear slide rail 190 is fixedly connected with the lower side of the second focusing tube 150, the first focusing tube 140, the second focusing tube 150 and the linear slide rail 190 are arranged to be matched, so that the device can extrude the automatic rebound baffle 160 in the using process, the second focusing tube 150 extends out of the adjusting box 130 to open the automatic rebound baffle 160 by itself, the second focusing tube 150 is retracted into the adjusting box 130 after the use is finished, then the automatic rebound baffle 160 is closed by itself to block external dust, the stability of the device in use is improved, the dust is prevented from damaging the device, meanwhile, the focusing work of the device cannot be influenced, the automatic rebound baffle 160 comprises a torsion spring hinge 161 and a shielding plate 162, the projector main body 100 is connected with the shielding plate 162 through the torsion spring hinge 161, the baffle plate 162 can be automatically driven to return by arranging the torsion spring hinge 161, the connection tightness between the baffle plate 162 and the right side wall of the adjusting box 130 is improved, the baffle plate 162 cannot leave the right side wall of the adjusting box 130 at will, the shielding property to dust is improved, four groups of limiting blocks 141 are fixedly connected to the outer side of the first focusing pipe 140 at equal intervals, the length of each limiting block 141 is 1/2 of that of the first focusing pipe 140, the length of the first focusing pipe 140 is the same as that of the second focusing pipe 150, sliding grooves matched with the limiting blocks 141 are formed in the inner wall of the second focusing pipe 150, the length of each sliding groove formed in the second focusing pipe 150 is the same as that of the limiting block 141, the second focusing pipe 150 can be limited by arranging the limiting blocks 141, the second focusing pipe 150 is prevented from shaking in the operation process, the operation stability of the device is improved, the first motor 142 is fixedly arranged on the outer side of the first focusing pipe 140, a third gear 171 is fixedly connected to the outer side of the first focusing ring 170, a first gear 143 is fixedly connected to the transmission end of the first motor 142 through a rotating rod, the first gear 143 is meshed with the third gear 171, the first focusing ring 170 can be rotated by arranging the third gear 171 and matching the first gear 143 with the first motor 142, and then the focusing work is completed through the first focusing ring 170, a second motor 151 is fixedly installed on the outer side of the second focusing pipe 150, a fourth gear 181 is fixedly connected to the outer side of the second focusing ring 180, a second gear 152 is fixedly connected to the transmission end of the second motor 151 through a rotating rod, the second gear 152 is meshed with the fourth gear 181, the second focusing ring 180 can be rotated by arranging the second gear 152 and matching the fourth gear 181 with the second motor 151, and further the focusing work is performed on the device, two sets of guide rods 153 are fixedly connected to the left and right side walls of the inner cavity of the adjusting box 130, upside fixedly connected with fixed plate 154 of second focusing pipe 150, the upside of fixed plate 154 is pegged graft with guide arm 153, cooperate with fixed plate 154 through setting up guide arm 153 and avoid second focusing pipe 150 operation in-process to appear the phenomenon that the card shell rocked, improve the stability of this device operation, the left side fixedly connected with cotton flannel ring 163 of automatic rebound baffle 160, through setting up cotton flannel ring 163, it gets into inside regulating box 130 to avoid having the dust to follow the junction gap of automatic rebound baffle 160 and regulating box 130, improve the grey efficiency of preventing of this device, also avoid second focusing pipe 150 to strike automatic rebound baffle 160 when shifting out regulating box 130 simultaneously and lead to this device to produce the damage phenomenon.

The working principle is as follows: when the novel scheme is implemented specifically, the projection optical machine 110 transmits a light source to the first focusing tube 140 through the light-transmitting through groove 120, the light source moves from the first focusing tube 140 to the second focusing tube 150 for projection work, when the novel linear sliding rail 190 is started, the linear sliding rail 190 drives the second focusing tube 150 to move rightward to the outer side of the adjusting box 130, the right side of the second focusing tube 150 extrudes the shielding plate 162, the shielding plate 162 moves to the upper side of the second focusing tube 150, the first motor 142 is started, the first gear 143 is driven to rotate by the first motor 142, the third gear 171 is driven to rotate by the rotation of the first gear 143, the first focusing ring 170 is driven to rotate by the rotation of the third gear 171, the focusing work is performed by the rotation of the second gear 151, the second gear 152 is driven to rotate by the second gear 152, the fourth gear 181 is driven to rotate by the rotation of the fourth gear 181, the second focusing ring 180 is driven to rotate by the rotation of the second gear 180, the work is performed by the rotation of the second gear 180, when the novel linear sliding rail device adapts to the linear sliding rail 190, and the in-situ hinge 161 of the focusing tube 150 is started, and the in-situ automatic in-situ hinge 162 is restored.

It should be noted that, in this document, relational terms such as first and second, and the like are only used for distinguishing one entity or operation from another entity or operation without necessarily requiring or implying any actual such relationship or order between such entities or operations, and the terms "comprise", "include", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but also other elements not expressly listed or inherent to such process, method, article, or apparatus, and the terms "mount", "connect", or "connect" should be broadly construed, for example, as being fixedly connected, detachably connected, or integrally connected unless expressly specified or limited otherwise; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or the two elements may be connected through an intermediate medium, and a person skilled in the art can understand the specific meaning of the above terms in the present invention through specific situations.

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

Claims (7)

1. The utility model provides a shelter from formula projecting apparatus focusing structure which characterized in that: including projecting apparatus main part (100), the inner chamber of projecting apparatus main part (100) is provided with projection ray apparatus (110), the front side of projecting apparatus main part (100) is opened and is equipped with printing opacity logical groove (120), the right side of projecting apparatus main part (100) is connected with regulating box (130), the left side wall of regulating box (130) is connected with first focusing pipe (140), the right side wall of regulating box (130) is connected with second focusing pipe (150), the right side of first focusing pipe (140) is located the left side of second focusing pipe (150), the right side of regulating box (130) is connected with automatic resilience baffle (160), the left side of first focusing pipe (140) is provided with first focusing ring (170), the right side of second focusing pipe (150) is provided with second focusing ring (180), linear slide rail (190) are installed to the lower lateral wall of regulating box (130) inner chamber, the removal end of linear slide rail (190) is connected with the downside of second focusing pipe (150).

2. The shading projector focusing structure of claim 1, wherein: the automatic rebound baffle (160) comprises a torsion spring hinge (161) and a shielding plate (162), and the projector main body (100) is connected with the shielding plate (162) through the torsion spring hinge (161).

3. The shading projector focusing structure of claim 1, wherein: four groups of limiting blocks (141) are arranged on the outer side of the first focusing pipe (140) at equal intervals, and sliding grooves matched with the limiting blocks (141) are formed in the inner wall of the second focusing pipe (150).

4. The structure of claim 1, wherein: a first motor (142) is installed on the outer side of the first focusing pipe (140), a third gear (171) is connected to the outer side of the first focusing ring (170), a first gear (143) is connected to the transmission end of the first motor (142), and the first gear (143) is meshed with the third gear (171).

5. The shading projector focusing structure of claim 1, wherein: a second motor (151) is installed on the outer side of the second focusing pipe (150), a fourth gear (181) is connected to the outer side of the second focusing ring (180), a second gear (152) is connected to the transmission end of the second motor (151), and the second gear (152) is meshed with the fourth gear (181).

6. The structure of claim 1, wherein: the left side wall and the right side wall of the inner cavity of the adjusting box (130) are connected with two groups of guide rods (153), the upper side of the second focusing pipe (150) is connected with a fixing plate (154), and the upper side of the fixing plate (154) is connected with the guide rods (153).

7. The shading projector focusing structure of claim 1, wherein: the left side of the automatic rebound baffle (160) is connected with a flannel ring (163).

Images