CN214147143U

CN214147143U - Movable projection equipment with angle adjusting function for campus declaration meeting

Info

Publication number: CN214147143U
Application number: CN202023031563.7U
Authority: CN
Inventors: 王永燕; 张健
Original assignee: Tianjin University of Traditional Chinese Medicine
Current assignee: Tianjin University of Traditional Chinese Medicine
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-09-07
Anticipated expiration: 2030-12-16

Abstract

The utility model provides a mobile projection device with angle adjustment function for campus declaration, which is characterized in that the device comprises a tripod, a supporting platform, a vertical angle adjustment structure, a transverse angle adjustment structure, a fixed structure and a body, wherein, the worker only needs to press a positioning pin with fingers to compress a spring, so that the positioning pin can release the positioning of the positioning hole, and then the angle of a rotating plate can be adjusted by hand by taking a rotating shaft as a circle center, when the positioning pin reaches another positioning hole after rotating a certain angle, the positioning pin can automatically pop out under the action of the spring, the positioning hole is repositioned, the operation is repeated, the required angle can be adjusted, the adjustment process is simple, convenient, time-saving and labor-saving, the angle adjustment of the body is convenient, and the condition that the body can not be fixed due to the abrasion of parts in the adjustment process can be effectively avoided, vertical angle adjusting structure in this application can further improve the stability of body installation on current basis that realizes angle modulation through spacing bolt.

Description

Movable projection equipment with angle adjusting function for campus declaration meeting

Technical Field

The utility model relates to a teaching aid technical field especially relates to the meeting is explained with portable projection equipment that has angle modulation function in campus.

Background

The propaganda meeting in the university campus is one of campus recruitment contents, is used for throwing a recruitment unit and recruitment contents onto a large screen in a form of PPT (power point) for viewing by all students, a projector is required for PPT throwing, the projector is also called as a projector, is a device capable of projecting images or videos onto a curtain, can be connected with a computer, a VCD (video command device), a DVD (digital video disk), a BD (BD), a game machine, a DV (digital video recorder) and the like through different interfaces to play corresponding video signals, can be used circularly, namely can be moved by a conference place, and can be fixed on a tripod, and the stability is effectively improved; the existing mobile projection equipment is limited in the mounting structure to the up-down angle and high-low size adjusting effect, the angle of a projection camera of the projector can be slowly changed into an oblique angle after the projector is used for a period of time, and the existing mounting device or mounting bracket can not well complete the left-right angle adjusting function, so that the existing mobile projection equipment is improved into equipment capable of adjusting the angle aiming at the defects;

the existing projection equipment with the angle adjusting function can finish adjusting actions by loosening the limiting bolts above the projector adjusting platform and then screwing the limiting bolts below the projector adjusting platform, angle adjusting shafts and the limiting bolts arranged on four corners of the projector adjusting platform can finish adjusting and changing angles in the vertical direction of the projector, and the projection equipment is very convenient for people to use, has a simple integral design structure and has the effect of easy realization of adjustment and installation;

in the prior art, although the angle adjustment in the vertical direction of the projection equipment can be realized by adjusting the adjusting shaft and the limiting bolts, the adjusting process needs to firstly adjust the limiting bolts at the upper end and the lower end respectively to be loose, the locking between the adjusting shaft and the platform is released, the adjusting shaft is manually longitudinally stretched and is locked when being adjusted to a proper position, and the angle adjustment of the equipment is completed;

and, equipment among the prior art only can realize vertical angle and adjust, does not possess horizontal angle and adjusts, when this equipment need change the projection angle, can only carry out the bulk motion with equipment whole and tripod, and the equipment behind the bulk motion is finely tuned once more according to the input condition, not only consumes a large amount of labours, has dragged and has slowed the regulation progress, has reduced regulation efficiency.

Disclosure of Invention

According to the technical problem, the utility model provides a campus explains meeting and uses portable projection equipment with angle modulation function, its characterized in that includes tripod, supporting platform, vertical angle regulation structure, horizontal angle regulation structure, fixed knot structure, body, the supporting platform is installed at the top of tripod, the top of supporting platform is provided with vertical angle regulation structure, the top of vertical angle regulation structure is provided with horizontal angle regulation structure, the top of horizontal angle regulation structure is provided with fixed knot structure, be provided with the body in the fixed knot structure;

the vertical angle adjusting structure comprises adjusting plates, rotating shafts, springs and positioning pins, the adjusting plates are welded at the front end and the rear end of the top of the supporting platform respectively, the rotating plates are installed between the two adjusting plates, through holes are formed in the rotating plates and the adjusting plates respectively, the through holes are formed in the same straight line, the rotating shafts are rotatably installed in the through holes, positioning grooves are formed in the rotating plates, one ends of the springs are connected in the positioning grooves, the other ends of the springs are connected with one ends of the positioning pins, adjusting holes are formed in the adjusting plates, the number of the adjusting holes is M, M is larger than or equal to 2, the other ends of the positioning pins are matched with the adjusting holes for use, and the other ends of the positioning pins penetrate through the adjusting holes and extend to the outer sides of the adjusting plates;

the transverse angle adjusting structure consists of an adjusting block, a fixing ring, a bearing, a gear, a supporting plate, a rotating shaft, a limiting rod and a handle, the top of the rotating plate is provided with an adjusting block, the inside of the adjusting block is provided with an adjusting groove, the bottom of the adjusting groove is provided with a fixing ring, the inner side wall of the fixed ring is provided with an outer ring of a bearing, the inner ring of the bearing is provided with a rotating shaft, the outer side wall of the rotating shaft is provided with a gear, the top of the adjusting block is provided with a through hole, the upper end of the rotating shaft penetrates through the through hole to extend to the upper side of the adjusting block and is welded with a supporting plate, the left side wall of the adjusting block is provided with a limiting hole, the side wall of the limiting hole is provided with threads, a limiting rod is connected in the limiting hole through the threads, the left end of the limiting rod penetrates through the limiting hole to extend to the outer side of the adjusting block, a handle is welded on the outer side of the adjusting block, and the right end of the limiting rod is matched with an adjacent rack on the gear for use;

the fixed knot constructs by limiting plate, stop screw, rubber pad group, the limiting plate is installed respectively at both ends about the backup pad, the fixed orifices has been seted up to the inside of limiting plate, has stop screw through threaded connection in this fixed orifices, the rubber pad is installed to stop screw's right side wall, the rubber pad and the contact of body lateral wall.

The utility model has the advantages that:

the utility model discloses a set up vertical angle and adjust the structure, the staff only needs to press the locating pin with the finger and make the spring compress, make the locating pin relieve the location to the locating hole, later can be manually to the rotor plate with the axis of rotation as the centre of a circle regulation of angle, when the locating pin arrives another locating hole after rotating a certain angle, the locating pin can pop out automatically under the effect of spring, to the locating hole relocation, repeat this operation, can adjust to the angle that needs, this accommodation process is not only simple and convenient but also labour saving and time saving, be convenient for to the angle modulation of body, can effectively avoid the accommodation process part to appear wearing and tearing and cause the condition that the body can not be fixed to take place, the vertical angle regulation structure in this application can further improve the stability of body installation on the basis that the angle modulation is realized through spacing bolt in the existing;

the utility model discloses a set up the transverse angle and adjust the structure, when this application needs to adjust the irradiation angle, need not to remove the whole of this application, through under the effect that the rotation axis is driven by the bearing and is rotated, drive the backup pad and rotate, further drive the body and carry out 360 rotations, realize the transverse angle adjustment to the body, use through the cooperation of the adjacent rack on gag lever post and the gear, further spacing to the rack, realize the locking to the gear, prevent that the body from appearing taking place to rock about in the use, and then improved the stability of body installation;

the utility model discloses a set up fixed knot and construct, it is fixed to realize carrying out the centre gripping to the body, is convenient for dismantle the maintenance to the body, and two limiting plates carry out primary location to the body, and two spacing bolts realize once more fixing a position the body lateral wall, and the rubber pad can be to the effect that plays isolation protection between spacing bolt and the body, avoids the too big wearing and tearing of its body lateral wall of its that makes of clamp force of spacing bolt to appear.

Drawings

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

FIG. 2 is a schematic view of the limiting structure of the limiting rod and the gear of the present invention;

FIG. 3 is an enlarged view of the position A of the present invention;

fig. 4 is the utility model discloses the regulating plate carries out spacing schematic diagram with the rotor plate through the locating pin.

As shown in the figure: 1-tripod, 2-supporting platform, 3-adjusting plate, 4-rotating shaft, 5-adjusting hole, 6-positioning pin, 7-rotating plate, 9-positioning groove, 10-spring, 11-adjusting block, 12-adjusting groove, 13-fixing ring, 14-bearing, 15-gear, 16-supporting plate, 17-rotating shaft, 18-limiting rod, 19-handle, 20-limiting plate, 21-limiting screw, 22-rubber pad, 23-body.

Detailed Description

Example 1

The utility model provides a campus explains meeting with portable projection equipment that has angle modulation function, its characterized in that includes tripod 1, supporting platform 2, vertical angle modulation structure, horizontal angle modulation structure, fixed knot to construct, body 23, supporting platform 2 is installed at the top of tripod 1, the top of supporting platform 2 is provided with vertical angle modulation structure, the top of vertical angle modulation structure is provided with horizontal angle modulation structure, the top of horizontal angle modulation structure is provided with fixed knot to construct, be provided with body 23 in the fixed knot constructs;

the vertical angle adjusting structure is composed of adjusting plates 3, rotating plates 7, rotating shafts 4, springs 10 and positioning pins 6, the adjusting plates 3 are welded at the front end and the rear end of the top of the supporting platform 2 respectively, the rotating plates 7 are installed between the two adjusting plates 3, through holes are formed in the rotating plates 7 and the adjusting plates 3 respectively, the through holes are formed in the same straight line, the rotating shafts 4 are rotatably installed in the through holes, positioning grooves 9 are formed in the rotating plates 7, one ends of the springs 10 are connected in the positioning grooves 9, the other ends of the springs 10 are connected with one ends of the positioning pins 6, adjusting holes 5 are formed in the adjusting plates 3, the number of the adjusting holes 5 is M, M is larger than or equal to 2, the other ends of the positioning pins 6 are matched with the adjusting holes 5 for use, and the other ends of the positioning pins 6 penetrate through the adjusting holes 5 and extend to the outer sides of the adjusting plates 3;

the transverse angle adjusting structure comprises an adjusting block 11, a fixing ring 13, a bearing 14, a gear 15, a supporting plate 16, a rotating shaft 17, a limiting rod 18 and a handle 19, wherein the adjusting block 11 is installed at the top of the rotating plate 7, an adjusting groove 12 is formed inside the adjusting block 11, the fixing ring 13 is installed at the bottom of the adjusting groove 12, the inner side wall of the fixing ring 13 is provided with an outer ring of the bearing 14, the inner ring of the bearing 14 is provided with the rotating shaft 17, the gear 15 is installed on the outer side wall of the rotating shaft 17, a through hole is formed in the top of the adjusting block 11, the upper end of the rotating shaft 17 penetrates through the through hole to extend to the upper side of the adjusting block 11 and is welded with the supporting plate 16, the left side wall of the adjusting block 11 is provided with a limiting hole, the side wall of the limiting hole is provided with a thread, the limiting rod 18 is connected with the limiting rod through the thread, the left end of the limiting rod 18 penetrates through the limiting hole to extend to the outer side of the adjusting block 11 and is welded with the handle 19, the right end of the limiting rod 18 is matched with the adjacent rack on the gear 15 for use;

fixed knot constructs by limiting plate 20, stop screw 21, rubber pad 22 and constitutes, and limiting plate 20 is installed respectively at both ends about backup pad 16, and the fixed orifices has been seted up to limiting plate 20's inside, has stop screw 21 through threaded connection in this fixed orifices, and rubber pad 22 is installed to stop screw 21's right side wall, and rubber pad 22 and the contact of body 23 lateral wall.

Example 2

The utility model discloses a fixed knot to body 23 is realized through fixed knot constructs, at first place body 23 between two limiting plates 20 and realize primary location, twist the spacing bolt of limiting plate 20 inside soon, when twisting the rubber pad 22 of spacing bolt right-hand member and body 23 lateral wall offset contact soon, no longer twist soon, realized the relocating to body 23; when the body 23 is inclined in the projection angle after being used for a period of time, the body 23 needs to be adjusted in the vertical angle, a worker only needs to press the positioning pin 6 with fingers to compress the spring 10, so that the positioning pin 6 is released from positioning the positioning hole, then the angle of the rotating plate 7 can be manually adjusted by taking the rotating shaft 4 as the center of the circle, when the positioning pin 6 reaches another positioning hole after rotating for a certain angle, the positioning pin 6 can automatically pop up under the action of the spring 10 to reposition the positioning hole, the required angle can be adjusted by repeating the operation, the angle adjustment of the rotating plate 7 is realized, and further the angle adjustment of the body 23 in the fixed structure is realized; when this application needs to change the projection angle, need not to carry out the bulk movement with body 23 and tripod 1, only need to adjust horizontal angle regulation structure can, through drive rotation axis 17 by bearing 14 and carry out under the effect of rotation, it rotates to drive backup pad 16, further drive body 23 and carry out 360 rotations, realize the horizontal angle regulation to body 23, when backup pad 16 adjusts to suitable position, through rotating gag lever post 18, make gag lever post 18 and the cooperation of the last adjacent rack of gear 15 use, it is further spacing to do the rack, realize the locking to gear 15, realized carrying out horizontal angle regulation to body 23, can prevent that body 23 from taking place to rock about in the use simultaneously, and then improved the stability of body 23 installation.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. The utility model discloses each part that mentions is the common technique in prior art, and the technical personnel of this trade should understand, the utility model discloses do not receive the restriction of above-mentioned embodiment, the description only is the explanation in above-mentioned embodiment and the description the principle of the utility model, under the prerequisite that does not deviate from the spirit and the scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the protection of claim the utility model is within the scope. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The mobile projection equipment with the angle adjusting function is used in campus announcements and is characterized by comprising a tripod, a supporting platform, a vertical angle adjusting structure, a transverse angle adjusting structure, a fixing structure and a body, wherein the supporting platform is mounted at the top of the tripod, the vertical angle adjusting structure is arranged at the top of the supporting platform, the transverse angle adjusting structure is arranged at the top of the vertical angle adjusting structure, the fixing structure is arranged at the top of the transverse angle adjusting structure, and the body is arranged in the fixing structure;

the vertical angle adjusting structure comprises adjusting plates, rotating shafts, springs and positioning pins, the adjusting plates are welded at the front end and the rear end of the top of the supporting platform respectively, the rotating plates are installed between the two adjusting plates, through holes are formed in the rotating plates and the adjusting plates respectively, the through holes are formed in the same straight line, the rotating shafts are rotatably installed in the through holes, positioning grooves are formed in the rotating plates, one ends of the springs are connected in the positioning grooves, the other ends of the springs are connected with one ends of the positioning pins, adjusting holes are formed in the adjusting plates, the other ends of the positioning pins are matched with the adjusting holes for use, and the other ends of the positioning pins penetrate through the adjusting holes and extend to the outer sides of the adjusting plates;

2. The mobile projection device on campus of claim 1 wherein said adjustment holes are M, M ≧ 2.