CN209765250U

CN209765250U - Portable projection device

Info

Publication number: CN209765250U
Application number: CN201920977428.XU
Authority: CN
Inventors: 王英华; 老士翠; 孙雪菲
Original assignee: Liaoning Urban Construction Technical College
Current assignee: Liaoning Urban Construction Technical College
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2019-12-10
Anticipated expiration: 2029-06-26

Abstract

The utility model relates to a projection equipment technical field just discloses a portable projection arrangement, comprising a base plate, bottom plate upper surface left end and right-hand member all rotate and are connected with the protective housing, and are two sets of the protective housing bottom contacts with bottom plate upper surface left end and right-hand member respectively, and the contact of two sets of protective housing inner is located the protective housing upper surface rotation of bottom plate upper surface right-hand member and is connected with the handle. This portable projection arrangement, drive the universal wheel through driving motor and rotate simultaneously and can rotate on the landing leg and make the more convenient removal of device, make people more labour saving and time saving when carrying the device, cooperation through first closing plate, the second closing plate, air spring and waist ring can play the effect of buffering to the projecting apparatus, and then play the effect of protection to the projecting apparatus, extension device life, through the pneumatic cylinder, handle and fixed plate can lock the protective housing.

Description

Portable projection device

Technical Field

The utility model relates to a projection equipment technical field specifically is a portable projection arrangement.

Background

At present, projection equipment is the equipment that can be with image or video projection on the curtain, can be through different interfaces with the computer, VCD, DVD, BD, game machine, DV etc. connect the corresponding video signal of broadcast, current projection equipment is because reasons of its appearance and size, inconvenient taking to the influence is carried, current projection equipment shell is difficult to form effectual protection mostly simultaneously, damages easily when the emergence collision or fall, causes the influence to carrying.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a portable projection device has solved the user and has relatively inconvenient when removing projection equipment, leads to the user relatively inconvenient when carrying projection equipment, and relatively inconvenient carries out certain guard action to projection equipment simultaneously, leads to the user relatively inconvenient problem when removing projection equipment.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a portable projection device comprises a bottom plate, wherein the left end and the right end of the upper surface of the bottom plate are both rotatably connected with protective housings, the bottoms of the two protective housings are respectively contacted with the left end and the right end of the upper surface of the bottom plate, the inner ends of the two protective housings are contacted, the upper surface of the protective housing positioned at the right end of the upper surface of the bottom plate is rotatably connected with a handle, the upper surface of the protective housing positioned at the left end of the upper surface of the bottom plate is fixedly connected with two groups of fixed plates, the rear end of the fixed plate positioned at the rear is fixedly connected with a hydraulic cylinder, the output end of the hydraulic cylinder firstly penetrates through the rear surface of the fixed plate positioned at the rear, then penetrates through the left end of the rear surface of the handle and finally penetrates out of the front surface of the fixed plate positioned at the front, the middle part of the upper surface of the bottom plate, the buffer device comprises a first sealing plate, the inner side surface of the first sealing plate is in contact with the outer side surface of the projector, an air spring is fixedly connected to the outer side surface of the first sealing plate, a waist ring is arranged at the middle part of the air spring, a second sealing plate is fixedly connected to the outer side surface of the air spring, the outer side surface of the second sealing plate is fixedly connected with the inner side wall of the protective shell, a moving device is fixedly connected to the lower surface of the bottom plate and comprises two groups of supporting plates, connecting shafts are rotatably connected to the bottom ends of the two groups of supporting plates, wheels are fixedly connected to the outer ends of the two groups of connecting shafts, a main shaft is arranged between the two groups of supporting plates, the front end and the rear end of the main shaft are respectively fixedly connected, the utility model discloses a smooth pipe, including axis of rotation left end fixedly connected with first bevel gear, first bevel gear meshing is connected with second bevel gear, and second bevel gear fixed connection is on main shaft middle part lateral wall, bottom plate lower surface right front side and right back side all are provided with the upper junction plate, upper junction plate bottom fixedly connected with elasticity spring, connecting plate under the elasticity spring bottom fixedly connected with, inside smooth pole and the smooth pipe of being provided with of elasticity spring, smooth pole top and upper junction plate lower fixed surface are connected, smooth pipe bottom and lower connecting plate upper surface fixed connection, smooth pole bottom pass smooth pipe top and can move to inside the smooth pipe top, connecting plate bottom fixedly connected with landing leg down, the landing leg bottom is rotated and is connected with the universal wheel.

Preferably, smooth pole left side wall bottom and the equal fixedly connected with T type slider of right side wall bottom, the equal fixedly connected with concave type slide rail of left side wall and interior right side wall in the smooth pipe, T type slider outer end and the inboard top sliding connection of concave type slide rail.

Preferably, the outer side wall of the handle is fixedly connected with a handle sleeve, and the handle sleeve is made of rubber materials.

Preferably, the top end of the right side face of the protective shell at the right end of the upper surface of the bottom plate is provided with a circular ring, and the circular ring is oval.

Preferably, the first sealing plate and the second sealing plate are both made of nylon materials.

Preferably, the universal wheel is provided with a brake pad.

(III) advantageous effects

The utility model provides a portable projection arrangement possesses following beneficial effect:

1. This portable projection arrangement, drive the universal wheel through driving motor and rotate simultaneously and can rotate on the landing leg and make the more convenient removal of device, make people more labour saving and time saving when carrying the device, cooperation through first closing plate, the second closing plate, air spring and waist ring can play the effect of buffering to the projecting apparatus, and then play the effect of protection to the projecting apparatus, extension device life, through the pneumatic cylinder, handle and fixed plate can lock the protective housing.

2. This portable projection arrangement can assist the wheel to rotate through connecting axle, first bevel gear and second bevel gear, and then the more convenient removal that moves of auxiliary device, and labour saving and time saving relatively can make driving motor more stable work of carrying on through the mount, can prevent that the elasticity spring from taking place the deflection through the smooth intraduct removal about can carrying on of smooth slide bar, makes the more stable removal that moves of device.

Drawings

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

FIG. 2 is a schematic top view of the spindle part of the present invention;

FIG. 3 is a schematic top view of the hydraulic cylinder of the present invention;

Fig. 4 is a schematic structural view of the smooth rod and the smooth tube portion of the present invention.

In the figure: 1. a base plate; 2. a protective shell; 3. a handle; 4. a fixing plate; 5. a hydraulic cylinder; 6. a projector; 7. a buffer device; 701. a first sealing plate; 702. an air spring; 703. a waist ring; 704. a second sealing plate; 8. a mobile device; 801. a support plate; 802. a connecting shaft; 803. a wheel; 804. a main shaft; 805. a fixed mount; 806. a drive motor; 807. a rotating shaft; 808. a first bevel gear; 809. a second bevel gear; 8010. an upper connecting plate; 8011. an elastic spring; 8012. a lower connecting plate; 8013. a smooth rod; 8014. smoothing the tube; 8015. a support leg; 8016. a universal wheel; 8017. a T-shaped slider; 8018. a concave slide rail; 9. covering the handlebar; 10. a circular ring; 11. a brake pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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. 1-4, the present invention provides a technical solution: a portable projection device comprises a bottom plate 1, wherein the left end and the right end of the upper surface of the bottom plate 1 are both rotatably connected with protective shells 2, the bottom ends of the two groups of protective shells 2 are respectively contacted with the left end and the right end of the upper surface of the bottom plate 1, the inner ends of the two groups of protective shells 2 are contacted, the top end of the right side surface of the protective shell 2 positioned at the right end of the upper surface of the bottom plate 1 is provided with a ring 10, the ring 10 is oval, the ring 10 can enable a user to move more conveniently when a control device is moved, the upper surface of the protective shell 2 positioned at the right end of the upper surface of the bottom plate 1 is rotatably connected with a handle 3, the outer side wall of the handle 3 is fixedly connected with a handle sleeve 9, the handle sleeve 9 is made of rubber material, the handle sleeve 9 can enable the user to be more comfortable when the user is contacted with the handle 3, the use comfort of the, the bottom end of a hydraulic cylinder 5 is fixedly connected with the upper surface of a protective shell 2 positioned at the left end of the upper surface of a bottom plate 1, the output end of the hydraulic cylinder 5 firstly passes through the rear surface of a fixing plate 4 positioned at the rear part, then passes through the left end of the rear surface of a handle 3 and finally penetrates out of the front surface of the fixing plate 4 positioned at the front part, the middle part of the upper surface of the bottom plate 1 is fixedly connected with a projector 6, the top end of the left side surface, the bottom end of the left side surface, the top end of the right side surface and the bottom end of the right side surface of the projector 6 are fixedly connected with a buffer device 7, the buffer device 7 comprises a first sealing plate 701, the inner side surface of the first sealing plate 701 is contacted with the outer side surface of the projector 6, the outer side surface of the first sealing plate 701 is fixedly connected with an air spring 702, the middle part, the fixing effect of the first sealing plate 701 and the second sealing plate 704 on the air spring 702 can be better, the lower surface of the bottom plate 1 is fixedly connected with the moving device 8, the moving device 8 comprises two groups of supporting plates 801, the bottom ends of the two groups of supporting plates 801 are rotatably connected with connecting shafts 802, the outer ends of the two groups of connecting shafts 802 are fixedly connected with wheels 803, a main shaft 804 is arranged between the two groups of supporting plates 801, the front end and the rear end of the main shaft 804 are respectively and fixedly connected with the inner ends of the two groups of connecting shafts 802, the left end of the lower surface of the bottom plate 1 is fixedly connected with a fixing frame 805, the bottom end of the fixing frame 805 is fixedly connected with a driving motor 806, the output end of the driving motor 806 is fixedly connected with a rotating shaft 807, the left end of the rotating shaft 807 is fixedly connected with a first bevel gear 808, an elastic spring 8011 is fixedly connected with the bottom end of an upper connecting plate 8010, a lower connecting plate 8012 is fixedly connected with the bottom end of the elastic spring 8011, a smooth rod 8013 and a smooth tube 8014 are arranged inside the elastic spring 8011, the top end of the smooth rod 8013 is fixedly connected with the lower surface of the upper connecting plate 8010, the bottom end of the smooth tube 8014 is fixedly connected with the upper surface of the lower connecting plate 8012, the bottom end of the smooth rod 8013 penetrates through the top end of the smooth tube 8014 and can move to the inside of the top end of the smooth tube 8014, T-shaped sliders 8017 are fixedly connected with the bottom ends of the left side wall and the right side wall of the smooth tube 8013, concave slide rails 8018 are fixedly connected with the left side wall and the right side wall of the smooth tube 8014, the outer end of each T-shaped slider 8017 is slidably connected with the top end of the inside of the concave slide rail 8018, the T-shaped slider 8017 can be slidably connected with the concave slide rails 8018 in a, the universal wheel 8016 is provided with a brake pad 11, and the brake pad 11 can fix the device in a proper position more firmly.

When the device is used, firstly, the device is placed at a proper position, the hydraulic cylinder 5 is started, the output end of the hydraulic cylinder 5 retracts to enable the handle 3 to rotate, the two groups of protective cases 2 are opened, the projector 6 is started to enable the projector 6 to work, the first sealing plate 701 and the second sealing plate 704 can play a certain fixing role on the air spring 702, the buffer device 7 can play a certain buffer role on the projector 6, when the device is moved, the driving motor 806 is started, the driving motor 806 drives the rotating shaft 807 to rotate, the rotating shaft 807 drives the first bevel gear 808 to rotate, the first bevel gear 808 is meshed with the second bevel gear 809 to enable the main shaft 804 to rotate, the wheel 803 is rotated through the transmission role of the driving shaft 802 to enable the connecting shaft device to move, and meanwhile, the elastic spring 8011 can enable the supporting legs 8015 and the universal wheel 8016 to have a certain damping role, and then make the more firm removal of device, smooth pole 8013 can carry out the removal from top to bottom in smooth pipe 8014 is inside, and then can prevent that elasticity spring 8011 from taking place the deflection when carrying out the work to it is more convenient to make the removal, and it is more convenient to carry.

in summary, in the portable projection apparatus, the driving motor 806 drives the wheel 803 to rotate, and the universal wheel 8016 can rotate on the supporting leg 8015, so that the apparatus can move conveniently, so that people can carry the apparatus more conveniently, and people can save time and labor when carrying the apparatus, the projector 6 can be buffered by the cooperation of the first sealing plate 701, the second sealing plate 704, the air spring 702 and the waist ring 703, so as to protect the projector 6, the service life of the apparatus is prolonged, the protective case 2 can be locked by the hydraulic cylinder 5, the handle 3 and the fixing plate 4, the wheel 803 can be assisted to rotate by the connecting shaft 802, the first bevel gear 808 and the second bevel gear 809, so as to facilitate the movement of the auxiliary apparatus, so as to save time and labor, the driving motor 806 can work more stably by the fixing frame 805, the elastic spring 8011 can be prevented from being deflected by the up and down movement of the optical sliding rod 8013 inside the smooth tube 8014, the device can move stably.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

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

1. A portable projection device comprising a base plate (1), characterized in that: the protective shell is characterized in that the left end and the right end of the upper surface of the bottom plate (1) are both rotatably connected with protective shells (2), the bottoms of the two protective shells (2) are respectively contacted with the left end and the right end of the upper surface of the bottom plate (1), the inner ends of the two protective shells (2) are contacted, the upper surface of the protective shell (2) at the right end of the upper surface of the bottom plate (1) is rotatably connected with a handle (3), the upper surface of the protective shell (2) at the left end of the upper surface of the bottom plate (1) is fixedly connected with two groups of fixed plates (4), the rear end of the fixed plate (4) at the rear is fixedly connected with a hydraulic cylinder (5), the bottom end of the hydraulic cylinder (5) is fixedly connected with the upper surface of the protective shell (2) at the left end of the upper surface of the bottom plate (1), the output end of the hydraulic, the middle part of the upper surface of the bottom plate (1) is fixedly connected with a projector (6), the top end of the left side surface, the bottom end of the left side surface, the top end of the right side surface and the bottom end of the right side surface of the projector (6) are fixedly connected with a buffer device (7), the buffer device (7) comprises a first sealing plate (701), the inner side surface of the first sealing plate (701) is in contact with the outer side surface of the projector (6), the outer side surface of the first sealing plate (701) is fixedly connected with an air spring (702), the middle part of the air spring (702) is provided with a waist ring (703), the outer side surface of the air spring (702) is fixedly connected with a second sealing plate (704), the outer side surface of the second sealing plate (704) is fixedly connected with the inner side wall of the protective shell (2), the lower surface of, the bottom ends of the two groups of support plates (801) are respectively and rotatably connected with a connecting shaft (802), the outer ends of the two groups of connecting shafts (802) are respectively and fixedly connected with wheels (803), a main shaft (804) is arranged between the two groups of support plates (801), the front end and the rear end of the main shaft (804) are respectively and fixedly connected with the inner ends of the two groups of connecting shafts (802), the left end of the lower surface of the bottom plate (1) is fixedly connected with a fixing frame (805), the bottom end of the fixing frame (805) is fixedly connected with a driving motor (806), the output end of the driving motor (806) is fixedly connected with a rotating shaft (807), the left end of the rotating shaft (807) is fixedly connected with a first bevel gear (808), the first bevel gear (808) is engaged with a second bevel gear (809), the second bevel gear (809) is fixedly connected on the outer side, the light-emitting diode lamp is characterized in that an elastic spring (8011) is fixedly connected to the bottom end of the upper connecting plate (8010), a lower connecting plate (8012) is fixedly connected to the bottom end of the elastic spring (8011), a light slide rod (8013) and a smooth tube (8014) are arranged inside the elastic spring (8011), the top end of the light slide rod (8013) is fixedly connected to the lower surface of the upper connecting plate (8010), the bottom end of the smooth tube (8014) is fixedly connected to the upper surface of the lower connecting plate (8012), the bottom end of the light slide rod (8013) penetrates through the top end of the smooth tube (8014) and can move to the inside of the top end of the smooth tube (8014), a supporting leg (8015) is fixedly connected to the bottom end of the lower connecting plate (801.

2. A portable projection device according to claim 1, wherein: the bottom end of the left side wall and the bottom end of the right side wall of the smooth rod (8013) are fixedly connected with T-shaped sliders (8017), the left side wall and the inner right side wall of the smooth tube (8014) are fixedly connected with concave sliding rails (8018), and the outer end of each T-shaped slider (8017) is slidably connected with the top end of the inner side of each concave sliding rail (8018).

3. A portable projection device according to claim 1, wherein: the outer side wall of the handle (3) is fixedly connected with a handle sleeve (9), and the handle sleeve (9) is made of rubber materials.

4. a portable projection device according to claim 1, wherein: a circular ring (10) is arranged at the top end of the right side face of the protective shell (2) at the right end of the upper surface of the bottom plate (1), and the circular ring (10) is oval.

5. A portable projection device according to claim 1, wherein: the first sealing plate (701) and the second sealing plate (704) are both made of nylon materials.

6. A portable projection device according to claim 1, wherein: the universal wheel (8016) is provided with a brake pad (11).