CN210955513U

CN210955513U - Portable teaching equipment

Info

Publication number: CN210955513U
Application number: CN201921811191.4U
Authority: CN
Inventors: 张兴梅; 穆乐永
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-26
Filing date: 2019-10-26
Publication date: 2020-07-07
Anticipated expiration: 2029-10-26

Abstract

The utility model discloses a portable teaching equipment, including dead lever, shrink pole, gag lever post, projection pole, projection curtain and support, the projection pole is located one side of dead lever, the projection curtain is located between dead lever and the shrink pole, the projection pole with dead lever bolt fixed connection, the projection pole includes the regulating spindle, one side of regulating spindle is equipped with the projecting apparatus, the projecting apparatus with the regulating spindle cup joints, the shrink pole includes shrinkage cavity and pivot hole, the shrinkage cavity is located one side of shrink pole, the pivot hole is located the top of shrink pole, the inside of shrink pole is equipped with the receipts and restraints the axle, projection curtain one end with dead lever bolt fixed connection, the other end passes the shrinkage cavity with receipts restraint axle bolt fixed connection. The utility model discloses not only have the effect of being convenient for to remove, but also have the effect of being convenient for to close the curtain and carry and be convenient for height-adjusting, be fit for using widely.

Description

Portable teaching equipment

Technical Field

The utility model relates to a teaching equipment specifically is a portable teaching equipment, relates to the education field.

Background

At present, multimedia projection teaching is favored by schools of primary and middle schools and is popularized in the universities, but in the primary and middle schools with poor conditions, due to the limitations of classroom sites, capital investment and the like, multimedia equipment is difficult to install in all classrooms; in addition, not all courses need multimedia teaching, and multimedia teaching is auxiliary device, installs too much and also can cause the waste, consequently does not need every classroom installation multimedia device, and traditional multimedia projection teaching equipment is bulky moreover, removes very inconveniently, and the commodity circulation transportation is carried and is also very inconvenient, and traditional multimedia projection teaching equipment can't satisfy people's demand gradually.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

An object of the utility model is to provide a portable teaching equipment to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the projection screen comprises a fixed rod, a contraction rod, a limiting rod, a projection screen and a support, wherein the support is positioned at the bottom end of the whole device, the limiting rod is positioned at the top end of the support, the fixed rod and the contraction rod are both positioned at the top end of the limiting rod, the projection rod is positioned on one side of the fixed rod, the projection screen is positioned between the fixed rod and the contraction rod, the projection rod is fixedly connected with the fixed rod through a bolt, the projection rod comprises an adjusting shaft, the adjusting shaft is positioned on one side of the projection rod, a projector is arranged on one side of the adjusting shaft and is sleeved with the adjusting shaft, the contraction rod comprises a contraction hole and a rotating shaft hole, the contraction hole is positioned on one side of the contraction rod, the rotating shaft hole is positioned at the top of the contraction rod, a contraction shaft is arranged in the contraction rod, and one end of the projection screen is fixedly connected with the fixed rod through, the other end of the elastic rod penetrates through the contraction hole and is fixedly connected with the contraction shaft bolt.

Furthermore, the bundling shaft comprises a connecting piece and a rocker, the connecting piece is located at two ends of the bundling shaft, the rocker is located at the top of the shrinking rod, a wheel shaft is further arranged on one side of the connecting piece, and the wheel shaft is sleeved with the connecting piece.

Furthermore, the limiting rod is in electric welding fixed connection with the fixed rod and the contraction rod, the limiting rod comprises a first limiting hole, and the first limiting hole is located on one side of the limiting rod.

Furthermore, the support comprises a connecting hole and a second limiting hole, the connecting hole is located at the top of the support, and the second limiting hole is located on one side of the support.

Furthermore, the limiting rod is sleeved with the connecting hole, and the limiting rod is fixedly connected with the second limiting hole through the first limiting hole and the second limiting hole through a bolt.

Furthermore, the bottom of support is equipped with screw thread post and rubber pad, the screw thread post is a plurality of, the screw thread post with support bolt fixed connection, the rubber pad is located the bottom of screw thread post, the rubber pad with screw thread post bolt fixed connection, one side of support still is equipped with the support column, the support column with support bolt fixed connection.

Further, the bottom of support still is equipped with the truckle, the truckle is a plurality of, the truckle with support bolt fixed connection.

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

(1) the utility model provides a pair of portable teaching equipment through setting up projection pole, projecting apparatus and projection curtain, can be used for the projection teaching.

(2) The utility model provides a pair of portable teaching equipment through setting up shrink pole, dead lever and receipts bundle axle, can play and be convenient for receive the effect of restraint curtain portable.

(3) The utility model provides a pair of portable teaching equipment through setting up the spacing hole of gag lever post, first spacing hole and second, can play the effect of the height-adjusting of being convenient for.

(4) The utility model provides a pair of portable teaching equipment through setting up portable truckle, can play the effect of being convenient for to remove.

(5) The utility model provides a pair of portable teaching equipment through setting up screw thread post, rubber pad and support column, can play the effect of being convenient for to fix.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic diagram of an expanded structure of a mobile teaching device according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a retracted structure of a mobile teaching device according to an embodiment of the present invention;

fig. 3 is a schematic view of a retractable bar of a mobile teaching device according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a beam-closing rod and a curtain of a mobile teaching device according to an embodiment of the present invention;

fig. 5 is a schematic view of a support structure of a mobile teaching device according to an embodiment of the present invention.

Reference numerals:

1. fixing the rod; 2. a retracting lever; 3. a limiting rod; 4. a projection bar; 5. a projection screen; 6. a beam-collecting shaft; 7. a support; 201. a fixed block; 202. a shrink hole; 203. a rotating shaft hole; 301. a first limit hole; 401. an adjustment shaft; 402. a projector; 601. a connecting member; 602. a wheel axle; 603. a rocker; 701. connecting holes; 702. a second limiting hole; 703. a threaded post; 704. a rubber pad; 705. a support pillar; 706. a caster is portable.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the attached drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiments of the present invention, but not all embodiments, and based on the embodiments of the present invention, all other embodiments obtained by a person having ordinary skill in the art without creative work belong to the protection scope of the present invention, and further description is made on the utility model with reference to the attached drawings and specific embodiments:

referring to fig. 1-5, a mobile teaching device according to an embodiment of the present invention includes a fixing rod 1, a retractable rod 2, a limiting rod 3, a projection rod 4, a projection curtain 5 and a support 7, wherein the support 7 is located at the bottom of the whole device, the limiting rod 3 is located at the top of the support 7, the fixing rod 1 and the retractable rod 2 are both located at the top of the limiting rod 3, the projection rod 4 is located at one side of the fixing rod 1, the projection curtain 5 is located between the fixing rod 1 and the retractable rod 2, the projection rod 4 is fixedly connected to the fixing rod 1 by a bolt, the projection rod 4 includes an adjusting shaft 401, the adjusting shaft 401 is located at one side of the projection rod 4, one side of the adjusting shaft 401 is provided with a projector 402, the projector 402 is sleeved to the adjusting shaft 401, the retractable rod 2 includes a retractable hole 202 and a rotation shaft hole 203, the retractable hole 202 is located at one side of the retractable rod 2, the rotation hole 203 is located at the top of the rod, one end of the projection curtain 5 is fixedly connected with the fixed rod 1 through a bolt, and the other end of the projection curtain passes through the contraction hole 202 and is fixedly connected with the beam-closing shaft 6 through a bolt.

By the above scheme of the utility model, the tightening shaft 6 comprises the connecting piece 601 and the rocking bar 603, the connecting piece 601 is located at both ends of the tightening shaft 6, the rocking bar 603 is located at the top of the tightening shaft 6, the rocking bar 603 is also located at the top of the contraction rod 2 for facilitating the rotation of the rocking bar to pack up the curtain, one side of the connecting piece 601 is further provided with the wheel shaft 602, the wheel shaft 602 is sleeved with the connecting piece 601, one side of the contraction rod 2 is further provided with the fixing block 201, the fixing block 201 is sleeved with the contraction rod 2, the limiting rod 3 is electrically welded and fixedly connected with the fixing rod 1 and the contraction rod 2, the limiting rod 3 comprises the first limiting hole 301, the first limiting hole 301 is located at one side of the limiting rod 3, the bracket 7 comprises the connecting hole 701 and the second limiting hole 702, the connecting hole 701 is located at the top of the bracket 7 for facilitating the connection of the limiting rod 3, the second limiting, gag lever post 3 is through first spacing hole 301 and the spacing hole 702 bolt fixed connection of second, the bottom of support 7 is equipped with screw thread post 703 and rubber pad 704, screw thread post 703 is a plurality of, screw thread post 703 and support 7 bolt fixed connection, be convenient for prop up whole device, rubber pad 704 is located the bottom of screw thread post 703, rubber pad 704 and screw thread post 703 bolt fixed connection, one side of support 7 still is equipped with support column 705, support column 705 and support 7 bolt fixed connection, the bottom of support 7 still is equipped with portable truckle 706, portable truckle 706 is a plurality of, portable truckle 706 and support 7 bolt fixed connection, be used for removing whole equipment.

When the device is applied specifically, the projection screen 5 is unfolded through the telescopic rod 2 and the telescopic hole 202, then the threaded column 703 and the limiting column 3 are adjusted to fix and adjust the height, then the projection rod 4 is unfolded, the projector 402 faces the projection screen 5, teaching can be performed, and the whole device can be moved through the portable caster 706; after the teaching is finished, the projection rod 4 is firstly put down, then the rocker 603 is rotated, the rocker 603 drives the beam-collecting shaft 6 to rotate on the wheel shaft 602, the projection curtain 5 can be collected by the rotating beam-collecting shaft 6, and the fixed rod 1 and the contraction rod 2 can be attached after the beam is collected, so that the volume of the whole equipment is reduced, and the effect of convenient logistics carrying is achieved.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a portable teaching equipment, includes dead lever (1), shrink pole (2), gag lever post (3), projecting pole (4), projection curtain (5) and support (7), its characterized in that: the support (7) is located at the bottom end of the whole device, the limiting rod (3) is located at the top end of the support (7), the fixing rod (1) and the contraction rod (2) are located at the top end of the limiting rod (3), the projection rod (4) is located on one side of the fixing rod (1), the projection curtain (5) is located between the fixing rod (1) and the contraction rod (2), the projection rod (4) is fixedly connected with the fixing rod (1) through a bolt, the projection rod (4) comprises an adjusting shaft (401), the adjusting shaft (401) is located on one side of the projection rod (4), a projector (402) is arranged on one side of the adjusting shaft (401), the projector (402) is sleeved with the adjusting shaft (401), the contraction rod (2) comprises a contraction hole (202) and a rotation shaft hole (203), and the contraction hole (202) is located on one side of the contraction rod (2), the rotating shaft hole (203) is located at the top of the contraction rod (2), the contraction shaft (6) is arranged inside the contraction rod (2), one end of the projection curtain (5) is fixedly connected with the fixing rod (1) through a bolt, and the other end of the projection curtain penetrates through the contraction hole (202) and is fixedly connected with the contraction shaft (6) through a bolt.

2. A mobile teaching device according to claim 1 wherein: the restraint shaft (6) comprises a connecting piece (601) and a rocker (603), the connecting piece (601) is located at two ends of the restraint shaft (6), the rocker (603) is located at the top of the restraint shaft (6), the rocker (603) is also located at the top of the contraction rod (2), a wheel shaft (602) is further arranged on one side of the connecting piece (601), the wheel shaft (602) is sleeved with the connecting piece (601), a fixing block (201) is further arranged on one side of the contraction rod (2), and the fixing block (201) is sleeved with the contraction rod (2).

3. A mobile teaching device according to claim 1 wherein: the limiting rod (3) is in electric welding fixed connection with the fixing rod (1) and the contraction rod (2), the limiting rod (3) comprises a first limiting hole (301), and the first limiting hole (301) is located on one side of the limiting rod (3).

4. A mobile teaching device according to claim 3 wherein: the support (7) comprises a connecting hole (701) and a second limiting hole (702), the connecting hole (701) is located at the top of the support (7), and the second limiting hole (702) is located on one side of the support (7).

5. A mobile teaching device according to claim 4 wherein: the limiting rod (3) is sleeved with the connecting hole (701), and the limiting rod (3) is fixedly connected with the second limiting hole (702) through the first limiting hole (301).

6. A mobile teaching device according to claim 1 wherein: the bottom end of the support (7) is provided with a threaded column (703) and a rubber pad (704), the threaded column (703) is provided with a plurality of columns, the threaded column (703) is fixedly connected with the support (7) through a bolt, the rubber pad (704) is positioned at the bottom end of the threaded column (703), the rubber pad (704) is fixedly connected with the threaded column (703) through a bolt, one side of the support (7) is also provided with a support column (705), and the support column (705) is fixedly connected with the support (7) through a bolt.

7. A mobile teaching device according to claim 1 wherein: the bottom of support (7) still is equipped with portable truckle (706), portable truckle (706) are a plurality of, portable truckle (706) with support (7) bolt fixed connection.