CN112728370A

CN112728370A - Projection tool based on WIFI transmission

Info

Publication number: CN112728370A
Application number: CN202011494040.8A
Authority: CN
Inventors: 许世扬
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-04-30

Abstract

The invention discloses a projection tool based on WIFI transmission, and belongs to the field of projection equipment. The utility model provides a projection instrument based on WIFI transmission, which comprises a fixed base, fixing base right wall upper end articulates there is the shield, fixing base top surface middle part has been seted up the cavity, the inside fly leaf that is equipped with of cavity, fly leaf bottom surface middle part has set firmly the gag lever post, the spacing groove has all been seted up for the position at both ends around the gag lever post to the inner wall around the cavity, fly leaf top surface middle part is equipped with the projecting apparatus main part, fly leaf top surface right side has set firmly the riser, two recesses have been seted up to riser upper end symmetry, recess upper portion has set firmly the fixed axle, the outside cover of fixed axle is equipped with the connecting rod, the connecting rod. The invention can be fixed on the wall more conveniently and quickly, avoids the problem of hindering the daily walking of the user, improves the use experience of the user, does not damage the wall, and has strong practicability.

Description

Projection tool based on WIFI transmission

Technical Field

The invention relates to the field of projection equipment, in particular to a projection tool based on WIFI transmission.

Background

Projection equipment is commonly called as a projector, and is equipment for projecting video images, the projector is an optical instrument which utilizes an optical element to amplify the outline of a workpiece and project the workpiece onto a screen, and in today with increasingly developed internet technology, the projector also begins to gradually take a variety of connecting lines to realize network interconnection.

Through retrieval, patent publication No. CN211450249U discloses a projection tool based on WIFI transmission, which can complete the pitch angle adjustment of the projector body through the first hinge portion, and adjust the length of the extending end of the screw rod through threads to complete the clamping operation.

The existing device can be conveniently fixed at a sofa or a bed head and the like by a user, so that the installation of the device is facilitated, but the installation position is mostly a user frequently-moving area, collision and blocking are difficult to avoid, the convenience of the daily life of the user can be greatly influenced, and a projector body in the existing device is directly arranged at the top of the device, so that dust can be accumulated on the top surface of the projector body, the problem that the dust is inconvenient to clean and easily generated to enter the projector body to cause line faults is solved, and accordingly, a projection tool based on WIFI transmission is provided.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to provide a projection tool based on WIFI transmission, so as to solve the problems in the background technology.

2. Technical scheme

A projection tool based on WIFI transmission comprises a fixing seat, wherein a dust cover is hinged to the upper end of the right wall of the fixing seat, a cavity is formed in the middle of the top surface of the fixing seat, a movable plate is arranged in the cavity, a limiting rod is fixedly arranged in the middle of the bottom surface of the movable plate, limiting grooves are formed in the positions, corresponding to the front end and the rear end of the limiting rod, of the front inner wall and the rear inner wall of the cavity, a projector main body is arranged in the middle of the top surface of the movable plate, a vertical plate is fixedly arranged on the right side of the top surface of the movable plate, two grooves are symmetrically formed in the upper ends of the vertical plate, a fixing shaft is fixedly arranged on the upper portion of each groove, a connecting rod is sleeved outside the fixing shaft, a hinge seat is hinged to the right end of the, adsorption component is including being two bases that symmetrical structure set up, the base is the bowl form structure of concave surface backward, wall connection is fixed behind base antetheca medial extremity and the fixing base, the wall has set firmly the sucking disc behind the base, sucking disc antetheca middle part has set firmly the spliced pole, spliced pole inner wall and fixing base outer wall sliding contact.

Preferably, the outer wall of the movable plate is in sliding contact with the inner wall of the cavity, the limiting rod is of an I-shaped structure, the limiting groove is of a T-shaped structure, and the end part of the limiting rod is in sliding fit with the limiting groove.

Preferably, the connecting rod is of an inclined structure with a high left and a low right, the sliding block and the sliding groove are of a ladder-shaped column structure, and the sliding block is in sliding fit with the sliding groove.

Preferably, the spliced pole front end runs through the base back wall and extends to the front portion, threaded hole is seted up at the spliced pole middle part, threaded hole interpolation is equipped with the threaded rod, threaded rod and screw hole threaded connection, the coaxial fixedly connected with pivot of threaded rod front end, pivot outside symmetrical cover is equipped with two bearing frames, bearing frame medial extremity is fixed with fixing base outer wall connection.

Preferably, the pivot front end cover is equipped with rotates the wheel, two it is connected with drive belt to rotate between the wheel, the fixing base antetheca has set firmly the baffle for drive belt's position, the baffle is the arc structure, is located the left the coaxial fixedly connected with hand wheel carousel of pivot front end is located the right it is equipped with the sideboard to rotate the wheel left.

Preferably, the round hole has been seted up on the sideboard, round hole interpolation is equipped with rather than sliding fit's inserted bar, is located the right side the relative inserted bar right-hand member's of rotating wheel circumference outer wall position is the annular equidistant a plurality of slots of having seted up, the inserted bar right-hand member is the hemisphere structure with the slot, inserted bar and slot grafting cooperation, the inserted bar left end is equipped with the arm-tie admittedly, the outside position cover between for arm-tie and the sideboard of inserted bar is equipped with extension spring.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

1. the invention is provided with the adsorption component, when a user installs the device, the user can firstly select a proper adsorption position on the wall surface in the house, then the sucker on the rear side of the device is attached to the wall surface, the sucker is tightly attached to the wall surface by the pressing device on the front side of the device, at the same time, the user can screw the hand wheel turntable from the front side of the device, the hand wheel turntable can drive the rotating shaft and the rotating wheel to rotate while rotating, the rotating shaft on the other side can also rotate along with the rotating shaft driven by the driving belt, the threaded rods coaxially and fixedly connected with the rear ends of the two rotating shafts can simultaneously rotate, under the threaded connection relationship between the threaded rods and the threaded holes, the connecting column can move to the front side along with the rotation of the threaded rods, the rear end of the connecting column is fixedly connected with the middle part of the front wall of the sucker, so that the middle part of the sucker can be pulled to the front side in the moving process of the, therefore, the device can be conveniently and quickly fixed on the wall, compared with the existing device, the fixing method is simpler and more convenient, the problem that the daily walking of a user is hindered is avoided, the use experience of the user is improved, meanwhile, the wall cannot be damaged, the attractiveness of the wall is guaranteed, and the practicability is high.

2. The invention is provided with the dustproof cover, when the dustproof cover is not used, a user can close the dustproof cover, the projector main body can be completely stored in the cavity under the state, the dustproof cover can not be accumulated on the projector main body by utilizing the blocking of the fixed seat and the dustproof cover, the inner circuit and hardware of the projector main body are prevented from being corroded by dust, the service life of the projector main body is prolonged, when the projector main body is needed to be used by the user, the dustproof cover only needs to be opened towards the right side, the connecting rod hinged on the dustproof cover through the hinged seat can pull the vertical plate and enables the movable plate to move upwards along the sliding fit direction of the limiting rod and the limiting groove when the dustproof cover is turned over, and due to the limitation of the length of the connecting rod in the rotating process, the hinged seat can be pulled to the rightmost position of the sliding fit direction of the sliding block and the sliding groove under the reverse acting force of, the fly leaf also can lift to maximum height and with the projecting apparatus main part top to the cavity outside, this structural design is ingenious easy and simple to handle, the user through simple operation that opens and shuts alright reach the quick of accomodating of projecting apparatus main part, still reduced the clean degree of difficulty when having ensured the normal function of projecting apparatus main part, effectual user experience that has improved the user.

3. The invention is provided with the baffle which is of an arc structure and wraps the middle part of the transmission belt in the gap between the baffle and the front wall of the fixed seat, when a user fixes the device, a sucking disc at the rear side of the device can be attached to the wall by pressing the front wall of the baffle, a good force application point is provided for the user, the damage caused by the transmission belt in the pressing process is avoided, the installation and the fixation of the device are further facilitated for the user, the left side of the rotating wheel at the right side is provided with the insertion rod, the user can hook the pull plate by fingers while pressing the device, so that the insertion rod is not inserted into the slot temporarily, after the device is completely absorbed, the pull plate can be released, the insertion rod rebounds under the action of the stretching spring, the rotating wheel at the right side is limited again by the insertion fit of the insertion rod and the slot, the connecting column is prevented from being pulled backwards under the restoring force of the sucking disc, the problem of damage caused by falling of the device is avoided.

Drawings

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

FIG. 2 is a rear view of the present invention;

FIG. 3 is a schematic view of the connection structure of the movable plate, the vertical plate and the connecting rod according to the present invention;

FIG. 4 is a schematic view of the adsorption assembly of the present invention;

FIG. 5 is a cross-sectional view of the base and connecting column of the present invention;

FIG. 6 is a schematic view of a right side rotating wheel according to the present invention;

FIG. 7 is a schematic cross-sectional view of the fixing base of the present invention;

fig. 8 is a schematic cross-sectional view of the dust cap of the present invention.

The reference numbers in the figures illustrate: 1. a fixed seat; 2. a dust cover; 3. a cavity; 4. a movable plate; 5. a limiting rod; 6. a limiting groove; 7. a projector main body; 8. a vertical plate; 9. a groove; 10. a fixed shaft; 11. a connecting rod; 12. a hinged seat; 13. a slider; 14. a chute; 15. a U-shaped grip; 16. an adsorption component; 17. a base; 18. a suction cup; 19. connecting columns; 20. a threaded hole; 21. a threaded rod; 22. a rotating shaft; 23. a bearing seat; 24. a rotating wheel; 25. a drive belt; 26. a baffle plate; 27. a handwheel turntable; 28. a side plate; 29. a circular hole; 30. inserting a rod; 31. a slot; 32. pulling a plate; 33. a tension spring.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-8, the present invention provides a technical solution:

the utility model provides a projection instrument based on WIFI transmission, including fixing

base

1, 1 right wall upper end of fixing base articulates there is shield 2, cavity 3 has been seted up at 1 top surface middle part of fixing base, 3 inside fly leaf 4 that is equipped with of cavity, 4 bottom surface middle parts of fly leaf have set firmly gag lever post 5, spacing groove 6 has all been seted up for the position at both ends around the gag lever post 5 to the inner wall around the

cavity

3, 4 top surface middle parts of fly leaf are equipped with projecting apparatus

main part

7, 4 top surface right sides of fly leaf have set firmly riser 8, two recess 9 have been seted up to riser 8 upper end symmetry, recess 9 upper portion has set firmly fixed axle 10, the outside cover of fixed axle 10 is equipped with connecting rod 11, connecting rod 11 right-hand member articulates there is articulated seat 12, articulated seat 12 bottom surface middle part has set firmly slider 13, spout 14 has been seted up for the position of slider 13 to.

Specifically, the outer wall of the movable plate 4 is in sliding contact with the inner wall of the cavity 3, the limiting rod 5 is of an I-shaped structure, the limiting groove 6 is of a T-shaped structure, the end portion of the limiting rod 5 is in sliding fit with the limiting groove 6, and the movable plate 4 can move up and down along the direction in which the limiting rod 5 is in sliding fit with the limiting groove 6, so that the movable plate can be prevented from inclining.

Furthermore, the connecting rod 11 is an inclined structure with a high left and a low right, the sliding block 13 and the sliding groove 14 are both in a ladder-shaped column structure, the sliding block 13 is in sliding fit with the sliding groove 14, when a user needs to use the projector main body 7, the user only needs to turn the dust cover 2 to the right, the connecting rod 11 hinged on the dust cover 2 through the hinge seat 12 can pull the vertical plate 8 and enable the movable plate 4 to move upwards along the sliding fit direction of the limiting rod 5 and the limiting groove 6 when the dust cover 2 is turned, due to the limitation of the length of the connecting rod 11 in the rotating process, the hinge seat 12 can be pulled to the rightmost position of the sliding groove 14 along the sliding fit direction of the sliding block 13 and the sliding groove 14 under the reverse acting force of the vertical plate 8, until the dust cover 2 is completely opened, the movable plate 4 can also be lifted to the maximum height and push the projector main body 7 to the outside the cavity 3, the structure is ingenious and simple in design, and convenient in operation, and, the normal operation of the projector main body 7 is guaranteed, meanwhile, the cleaning difficulty is reduced, and the use experience of a user is effectively improved.

Furthermore, the adsorption component 16 includes two bases 17 that are symmetrical structure setting, and base 17 is the bowl form structure that the concave surface faces backward, and base 17 antetheca medial extremity is connected with fixing base 1 back wall and is fixed, and base 17 back wall has set firmly sucking

disc

18, and 18 antetheca middle parts of sucking disc have set firmly spliced pole 19, and spliced pole 19 inner wall and fixing base 1 outer wall sliding contact.

Still further, 19 front ends of the connecting columns run through the rear wall of the base 17 and extend to the front portion, threaded holes 20 are formed in the middle of the connecting columns 19, threaded rods 21 are inserted into the threaded holes 20, the threaded rods 21 are in threaded connection with the threaded holes 20, a rotating shaft 22 is fixedly connected with the front ends of the threaded rods 21 in a coaxial mode, two bearing seats 23 are symmetrically sleeved on the outer sides of the rotating shaft 22, the inner side ends of the bearing seats 23 are fixedly connected with the outer wall of the fixing seat 1, the rotating shaft 22 can be rotated to drive the threaded rods 21 to rotate.

It is worth introducing that the front end of the rotating shaft 22 is sleeved with the rotating wheels 24, the transmission belt 25 is connected between the two rotating wheels 24, the front wall of the fixed seat 1 is fixedly provided with the baffle 26 relative to the position of the transmission belt 25, the baffle 26 is of an arc structure, the front end of the rotating shaft 22 on the left side is coaxially and fixedly connected with the hand wheel turntable 27, the left side of the rotating wheel 24 on the right side is provided with the side plate 28, when a user installs the device, the user can select a proper adsorption position on the wall surface in the home, then the sucking disc 18 on the rear side of the device is attached to the wall surface, the sucking disc 18 is attached to the wall surface tightly enough by the pressing device on the front side, the baffle 26 on the front wall of the fixed seat 1 provides a good force point for the user, the damage of the transmission belt 25 in the pressing process is avoided, the user can install and fix the device conveniently, the hand wheel carousel 27 can drive pivot 22 and rotate the wheel 24 and take place rotatoryly in the pivoted time, the pivot 22 of opposite side also can rotate along with it under the drive of driving belt 25, threaded rod 21 that two coaxial fixed connections in pivot 22 rear end just can rotate simultaneously, under threaded rod 21 and screw hole 20 threaded connection relation, spliced pole 19 can be along with the rotation of threaded rod 21 and the side-to-side movement that moves forward, it is fixed with sucking disc 18 antetheca middle part connection at its rear end, so also can be dragged to the side-to-side in the in-process sucking disc 18 middle part that spliced pole 19 removed, thereby it produces the adsorption effect to make to form negative pressure chamber between sucking disc 18 back wall and the wall so, with this alright fix this device on the wall convenient and fast.

It is worth to be noted that the side plate 28 is provided with a circular hole 29, the circular hole 29 is inserted with an insertion rod 30 in sliding fit with the circular hole 29, the outer circumferential wall of the rotating wheel 24 on the right side is provided with a plurality of slots 31 at equal intervals in an annular shape relative to the position of the right end of the insertion rod 30, the right end of the insertion rod 30 and the slots 31 are both in a hemispherical structure, the insertion rod 30 is in insertion fit with the slots 31, the left end of the insertion rod 30 is fixedly provided with a pull plate 32, the outer portion of the insertion rod 30 is sleeved with a tension spring 33 relative to the position between the pull plate 32 and the side plate 28, a user can hook the pull plate 32 with fingers to ensure that the insertion rod 30 is not inserted into the slots 31 temporarily while pressing the device, after the device is completely adsorbed, the pull plate 32 can be released to ensure that the insertion rod 30 rebounds under the action of the tension spring 33, the insertion fit of the insertion rod 30 and the slots 31 is utilized to re, the fixing stability of the device is improved, and the problem that the device is damaged due to falling is avoided.

The working principle is as follows: when a user installs the device, a proper adsorption position can be selected on the wall surface in the home, then the sucking disc 18 at the rear side of the device is attached to the wall surface, the sucking disc 18 is tightly attached to the wall surface by the pressing device at the front side of the device, the baffle 26 at the front wall of the fixed seat 1 provides a good force application point for the user, the damage to the transmission belt 25 in the pressing process is avoided, the installation and the fixation of the device by the user are facilitated, the user can hook the pull plate 32 by fingers while pressing the device, so that the insertion rod 30 is not inserted into the slot 31 temporarily, the user can screw the hand wheel turntable 27 from the front side of the device, the rotating shaft 22 and the rotating wheel 24 are driven to rotate when the hand wheel turntable 27 rotates, the rotating shaft 22 at the other side is driven by the transmission belt 25 to rotate along with the rotating shaft, and the threaded rods 21 coaxially and fixedly connected with the rear ends of the two rotating shafts 22 rotate simultaneously, under the threaded connection relation of the threaded rod 21 and the threaded hole 20, the connecting column 19 can move to the front side along with the rotation of the threaded rod 21, and the rear end of the connecting column is fixedly connected with the middle part of the front wall of the sucker 18, so the middle part of the sucker 18 can also be pulled to the front side in the moving process of the connecting column 19, and a negative pressure cavity is formed between the rear wall of the sucker 18 and the wall so as to generate an adsorption effect, so the device can be conveniently and quickly fixed on the wall, after the device is completely adsorbed, the pulling plate 32 can be released so that the inserting rod 30 rebounds under the action of the stretching spring 33, the right rotating wheel 24 is limited again by the inserting and matching of the inserting rod 30 and the inserting groove 31, the connecting column 19 is prevented from being pulled backwards under the action of the restoring force of the sucker 18, the fixing stability of the device is improved, the problem that the device is prevented from being damaged due to falling down is solved, compared with the existing device, the, the user's use experience is improved while still can not cause the damage to the wall, the pleasing to the eye degree of wall has been ensured, therefore, the clothes hanger is strong in practicability, under the condition of not using, the user can close shield 2, projector main body 7 can leave in cavity 3 completely under this state, utilize blockking of fixing base 1 and shield 2, just can not produce the dust and pile up on projector main body 7, avoid its inside circuit and hardware to receive the erosion of dust, the life of projector main body 7 has been increased, when the user needs to use projector main body 7, only need open shield 2 to the right side, it just can stimulate riser 8 and make fly leaf 4 along gag lever 5 and 6 sliding fit's direction up movement through articulated some connecting rods 11 of articulated seat 12 on shield 2 is stirred, because of the restriction of connecting rod 11 length in the rotation process, so articulated seat 12 can be pulled along the sliding fit direction of slider 13 and spout 14 under the reverse effort of riser 8 Drag to the position of spout 14 rightmost side, open the back completely until shield 2, fly leaf 4 also can rise to the maximum height and push up 3 outsides of cavity with projecting apparatus main part 7, this structural design is ingenious easy and simple to handle, and the user is through simple opening and shutting operation alright reach taking in fast of projecting apparatus main part 7, has still reduced clean degree of difficulty when having ensured projecting apparatus main part 7 and normally functioning, the effectual use that has improved the user is experienced.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a projecting means based on WIFI transmission, includes fixing base (1), its characterized in that: the upper end of the right wall of the fixing seat (1) is hinged with a dust cover (2), the middle of the top surface of the fixing seat (1) is provided with a cavity (3), a movable plate (4) is arranged in the cavity (3), the middle of the bottom surface of the movable plate (4) is fixedly provided with a limiting rod (5), the front inner wall and the rear inner wall of the cavity (3) are respectively provided with a limiting groove (6) relative to the positions of the front end and the rear end of the limiting rod (5), the middle of the top surface of the movable plate (4) is provided with a projector main body (7), the right side of the top surface of the movable plate (4) is fixedly provided with a vertical plate (8), the upper end of the vertical plate (8) is symmetrically provided with two grooves (9), the upper parts of the grooves (9) are fixedly provided with a fixing shaft (10), the outer part of the fixing, spout (14) have been seted up for the position of slider (13) to shield (2) top surface, shield (2) antetheca middle part has set firmly U type handle (15), fixing base (1) rear side is equipped with adsorption component (16), adsorption component (16) are including two bases (17) that are the symmetrical structure setting, base (17) are the concave surface towards the bowl form structure in back, base (17) antetheca medial extremity is fixed with fixing base (1) back wall connection, base (17) back wall has set firmly sucking disc (18), sucking disc (18) antetheca middle part has set firmly spliced pole (19), spliced pole (19) inner wall and fixing base (1) outer wall sliding contact.

2. The WIFI transmission-based projection tool of claim 1, wherein: fly leaf (4) outer wall and cavity (3) inner wall sliding contact, gag lever post (5) are the I shape structure, spacing groove (6) are T style of calligraphy structure, gag lever post (5) tip and spacing groove (6) sliding fit.

3. The WIFI transmission-based projection tool of claim 1, wherein: the connecting rod (11) is of an inclined structure with a high left and a low right, the sliding block (13) and the sliding groove (14) are of a trapezoidal column structure, and the sliding block (13) is in sliding fit with the sliding groove (14).

4. The WIFI transmission-based projection tool of claim 1, wherein: spliced pole (19) front end runs through base (17) back wall and extends to the front portion, threaded hole (20) are seted up at spliced pole (19) middle part, threaded hole (20) interpolation is equipped with threaded rod (21), threaded rod (21) and threaded hole (20) threaded connection, the coaxial fixedly connected with pivot (22) of threaded rod (21) front end, pivot (22) outside symmetry cover is equipped with two bearing frame (23), bearing frame (23) medial extremity is fixed with fixing base (1) outer wall connection.

5. The WIFI transmission based projection tool of claim 4, wherein: pivot (22) front end cover is equipped with rotates wheel (24), two it is connected with drive belt (25) to rotate between wheel (24), baffle (26) have set firmly for the position of drive belt (25) fixing base (1) antetheca, baffle (26) are the arc structure, are located left the coaxial fixedly connected with hand wheel carousel (27) of pivot (22) front end is located right it is equipped with sideboard (28) to rotate wheel (24) left.

6. The WIFI transmission based projection tool of claim 5, wherein: round hole (29) have been seted up on sideboard (28), round hole (29) interpolation is equipped with inserted bar (30) rather than sliding fit, is located the right side rotate the position of wheel (24) circumference outer wall relative inserted bar (30) right-hand member and be a plurality of slots (31) of equidistant offered of annular, inserted bar (30) right-hand member is the hemisphere structure with slot (31), inserted bar (30) and slot (31) cooperation of pegging graft, inserted bar (30) left end is equipped with arm-tie (32) admittedly, inserted bar (30) outside is equipped with extension spring (33) for the position cover between arm-tie (32) and sideboard (28).