CN214547797U - Travel propaganda device studies - Google Patents

Abstract

The utility model discloses a device is explained in research travel, include apron, box and put the thing chamber, the universal wheel is all installed to four corners of box bottom, and stable structure sets up the intermediate position department at box bottom both ends, the intermediate position department of the inside bottom of box has seted up puts the thing chamber, and has transversely articulated the door body in the both sides of putting thing chamber top, high-efficient structure sets up inside the box of door body top, put the vertical sliding chute of having seted up of box inner wall of thing chamber both sides, and the inside vertical sliding connection of sliding chute has the sliding plate that extends to the box outside, limit structure equidistant setting is in the inside one end of sliding plate, the thing chamber top of putting on sliding plate top is transversely installed the apron, and the intermediate position department on apron top installs the handle. The utility model discloses a set up the friction lever, increase box and the contact friction on ground, when avoiding explaining, this device receives the unexpected slip of external force, and the influence is explained the normal clear of teaching.

Description

Travel propaganda device studies

Technical Field

The utility model relates to a teaching aid technical field specifically is a device is explained in research travel.

Background

The research and study travel is a novel teaching mode, inherits and develops the education concept and the humanity spirit of the traditional Chinese tour, "read ten thousand books, go ten thousand miles" and becomes a new content and a new mode of quality education, but the research and study travel is usually in the field, so a propaganda device is often needed to assist teaching, but the existing research and study travel propaganda device has many problems or defects:

first, the traditional propaganda device for research and study travel has no fixed structure when in use, and the placement of the device is not stable enough when in field use, thus affecting the propaganda effect.

Second, traditional study travel announces device, does not have convenient structure during the use, and the device is bulky, leads to carrying comparatively loaded down with trivial details.

Third, the conventional travel propaganda apparatus for research and study has no efficient structure in use, and sometimes needs to be written using a writing board in the propaganda, but has a limited field condition, thereby adversely affecting the propaganda effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device is explained in research travel to solve the inconvenient fixed, inconvenient convenient and inconvenient efficient problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a propaganda device for studying and traveling comprises a cover plate, a box body and an object placing cavity, and further comprises a high-efficiency structure which is convenient for improving a propaganda effect, a limiting structure which reduces carrying difficulty and a stable structure which ensures stability;

universal wheels are mounted at four corners of the bottom end of the box body, and the stable structure is arranged in the middle of two ends of the bottom end of the box body;

the middle position of the bottom end in the box body is provided with a storage cavity, two sides of the top end of the storage cavity are transversely hinged with door bodies, and the efficient structure is arranged in the box body above the door bodies;

sliding grooves are vertically formed in the inner walls of the box body on the two sides of the object placing cavity, sliding plates extending to the outside of the box body are vertically and slidably connected inside the sliding grooves, and the limiting structures are arranged at one end inside the sliding plates at equal intervals;

the top end of the article placing cavity at the top end of the sliding plate is transversely provided with a cover plate, and the middle position of the top end of the cover plate is provided with a handle.

Preferably, stable structure includes the friction lever, the friction lever articulates in the both sides of box bottom intermediate position department, and the both sides of box bottom intermediate position department install the fixed plate, box below both ends between the fixed plate transversely rotate and are connected with positive and negative lead screw, and the both sides threaded connection on positive and negative lead screw surface has the pole piece, the bottom of pole piece articulates there is the bracing piece, and the one end of bracing piece is articulated with friction lever one side upper end.

Preferably, the clamping grooves are installed at the bottom end of the cover plate at equal intervals, pull rods extending to the inner portions of the clamping grooves are connected to the two ends of each clamping groove in a sliding mode, clamping springs are wound in the clamping grooves in the surfaces of the pull rods, and clamping plates are installed at one ends of the pull rods.

Preferably, high-efficient structure includes clipboard, draw-in groove, fixture block, reservation piece, fixed spring, mounting groove, leads to groove and reservation groove, the clipboard sets up inside the box on door body top, and equidistant the fixture block of installing in the inside both ends of clipboard, the reservation groove has been seted up to the inside one end of fixture block, the upper end of the inside both sides of sliding plate and lower extreme equidistant seted up with fixture block matched with draw-in groove, and the inside vertical mounting groove of having seted up of sliding plate of draw-in groove one end, the inside vertical logical groove of having seted up of sliding plate of mounting groove one side, and the inside one end of mounting groove installs fixed spring, fixed spring one end sliding connection has the reservation piece with reservation groove matched with.

Preferably, the length of the through groove is greater than that of the reserved block, and the width of the through groove is equal to that of one side of one end of the reserved block.

Preferably, limit structure includes spacing spring, spacing groove, stopper and spacing hole, spacing groove equidistant offers in one side of the inside bottom of sliding plate, and the both ends of the inside one side of spacing groove install spacing spring, spacing spring one side sliding connection has the stopper that extends to the limiting groove outside, and the sliding plate inner wall upper end and the lower extreme equidistant offer with stopper matched with spacing hole of spacing groove one side.

Preferably, a triangle is formed among the friction rod, the support rod and the bottom end of the box body, and the friction rod and the support rod are symmetrically distributed about a vertical central axis of the box body.

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

(1) the friction rod, the supporting rod and the positive and negative screw rods are arranged, the rod block is moved to drive the supporting rod to deflect by rotating the positive and negative screw rods, so that the friction rod is driven to deflect towards the direction of the fixing plate until the bottom end of the friction rod is completely contacted with the ground, the friction rod is supported and limited by utilizing a triangular shape formed among the friction rod, the supporting rod and the bottom end of the box body, the contact friction force between the box body and the ground is further increased, the placement stability is improved, and the normal operation of teaching of the teaching is influenced due to the accidental sliding of the device caused by external force during the teaching;

(2) through the arrangement of the sliding plate, the limiting structure and the sliding groove, the sliding plate slides to be completely separated from the limiting hole by pressing the limiting block, and then the cover plate is pulled by the handle, so that after the sliding plate slides to a certain distance in the sliding groove, the limiting block is movably clamped into the limiting hole at the top end of one side of the box body under the elastic action of the limiting spring, the limiting fixation of the unfolded sliding plate is realized, and meanwhile, when the device is not used, the sliding plate can slide into the sliding groove, so that the size of the device is reduced, the inconvenience in carrying caused by overlarge size is avoided, and the smooth development of study and travel is facilitated;

(3) through being provided with high-efficient structure, reserve the piece through stirring, make it slide to getting into the mounting groove completely inside, later utilize the cooperation of fixture block and draw-in groove, with the clipboard block in one side of sliding plate, simultaneously under fixed spring's spring action, make reserve the piece and remove the card and go into inside the reservation groove, go on spacing fixedly to the card of fixture block and go into, the teacher of being convenient for writes content on the clipboard surface, avoid the awkwardness that can't write, and then improve the effect of explaining, the student's of being convenient for teaching.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the present invention showing a partially enlarged structure when it is deployed;

fig. 4 is an enlarged schematic view of a portion a of fig. 2 according to the present invention;

fig. 5 is an enlarged schematic view of the structure at B of fig. 3 according to the present invention.

In the figure: 1. a handle; 2. a cover plate; 3. a high-efficiency structure; 301. a writing board; 302. a card slot; 303. a clamping block; 304. reserving a block; 305. fixing the spring; 306. mounting grooves; 307. a through groove; 308. reserving a groove; 4. a sliding plate; 5. a door body; 6. a limiting structure; 601. a limiting spring; 602. a limiting groove; 603. a limiting block; 604. a limiting hole; 7. a friction lever; 8. a universal wheel; 9. a support bar; 10. a positive and negative screw rod; 11. a rod block; 12. a fixing plate; 13. a box body; 14. a sliding groove; 15. a storage cavity; 16. a clamping groove; 17. a pull rod; 18. a clamping spring; 19. and (4) clamping the plate.

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.

Example 1: referring to fig. 1-5, a propaganda apparatus for research and study travel includes a cover plate 2, a box 13, a storage chamber 15, a high efficiency structure 3 for improving the propaganda effect, a limit structure 6 for reducing the carrying difficulty, and a stable structure for ensuring stability;

universal wheels 8 are mounted at four corners of the bottom end of the box body 13, and the stable structure is arranged in the middle of two ends of the bottom end of the box body 13;

an article placing cavity 15 is formed in the middle of the bottom end inside the box body 13, door bodies 5 are transversely hinged to two sides of the top end of the article placing cavity 15, and the efficient structure 3 is arranged inside the box body 13 above the door bodies 5;

the inner walls of the box body 13 at two sides of the article placing cavity 15 are vertically provided with sliding grooves 14, the sliding grooves 14 are vertically and slidably connected with sliding plates 4 extending to the outer part of the box body 13, and the limiting structures 6 are arranged at one ends of the sliding plates 4 at equal intervals;

the top end of the article placing cavity 15 at the top end of the sliding plate 4 is transversely provided with the cover plate 2, and the middle position of the top end of the cover plate 2 is provided with the handle 1;

referring to fig. 1-5, the propaganda device for research and study traveling further comprises a stabilizing structure, the stabilizing structure comprises friction rods 7, the friction rods 7 are hinged to two sides of the middle position of the bottom end of the box body 13, fixing plates 12 are mounted on two sides of the middle position of the bottom end of the box body 13, a positive lead screw 10 and a negative lead screw 10 are transversely and rotatably connected to two ends of the lower portion of the box body 13 between the fixing plates 12, rod blocks 11 are connected to two sides of the surface of the positive lead screw 10 in a threaded manner, a supporting rod 9 is hinged to the bottom end of each rod block 11, and one end of each supporting rod 9 is hinged to the upper end of one side of each friction rod 7;

clamping grooves 16 are arranged at the bottom end of the cover plate 2 at equal intervals, pull rods 17 extending into the clamping grooves 16 are connected to the two ends of the clamping grooves 16 in a sliding mode, clamping springs 18 are wound in the clamping grooves 16 on the surfaces of the pull rods 17, and clamping plates 19 are arranged at one ends of the pull rods 17;

a triangular shape is formed among the friction rod 7, the support rod 9 and the bottom end of the box body 13, and the friction rod 7 and the support rod 9 are symmetrically distributed about the vertical central axis of the box body 13;

specifically, as shown in fig. 1, fig. 2 and fig. 3, by rotating the positive and negative lead screws 10, the rod block 11 is moved to drive the supporting rod 9 to deflect, and then the friction rod 7 is driven to deflect toward the fixing plate 12 until the bottom end of the friction rod 7 completely contacts the ground, thereby utilizing the friction rod 7, the triangle formed between the supporting rod 9 and the bottom end of the box body 13 supports and limits the friction rod 7, and further increases the contact friction force between the box body 13 and the ground, and when the teaching is avoided, the device is accidentally slid by an external force, and further the normal operation of the teaching is influenced, and the pull rod 17 can be pulled to drive the clamping plate 19 to move, and then one end of an article such as a poster required to be taught is placed inside the clamping groove 16, and the elasticity of the clamping spring 18 is utilized, so that the clamping plate 19 moves to clamp the article.

Example 2: the high-efficiency structure 3 comprises a writing board 301, a clamping groove 302, a clamping block 303, a reserved block 304, a fixed spring 305, a mounting groove 306, a through groove 307 and a reserved groove 308, wherein the writing board 301 is arranged inside a box body 13 at the top end of a door body 5, the clamping blocks 303 are arranged at equal intervals at two ends inside the writing board 301, the reserved groove 308 is formed in one end inside the clamping block 303, the clamping grooves 302 matched with the clamping blocks 303 are formed in the upper ends and the lower ends of two sides inside the sliding plate 4 at equal intervals, the mounting groove 306 is vertically formed in the sliding plate 4 at one end of the clamping groove 302, the through groove 307 is vertically formed in the sliding plate 4 at one side of the mounting groove 306, the fixed spring 305 is installed at one end inside the mounting groove 306, and the reserved block 304 matched with the reserved groove 308 is slidably connected to one end of the fixed spring 305;

the length of the through groove 307 is greater than that of the reserved block 304, and the width of the through groove 307 is equal to that of one side of one end of the reserved block 304;

specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 5, reserve piece 304 through stirring, make it slide to get into mounting groove 306 inside completely, later utilize the cooperation of fixture block 303 and draw-in groove 302, with clipboard 301 block in one side of sliding plate 4, simultaneously under the spring action of fixed spring 305, make reserve piece 304 remove to block inside going into reserve groove 308, carry out spacing fixed to the card of fixture block 303 and go on writing the content on clipboard 301 surface, improve the effect of explaining, be convenient for student's teaching.

Example 3: the limiting structure 6 comprises a limiting spring 601, a limiting groove 602, a limiting block 603 and a limiting hole 604, wherein the limiting groove 602 is arranged on one side of the bottom end inside the sliding plate 4 at equal intervals, the limiting spring 601 is arranged at two ends of one side inside the limiting groove 602, one side of the limiting spring 601 is connected with the limiting block 603 extending to the outside of the limiting groove 602 in a sliding mode, and the limiting holes 604 matched with the limiting block 603 are arranged at the upper end and the lower end of the inner wall of the sliding plate 4 on one side of the limiting groove 602 at equal intervals;

specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 5, slide to completely break away from spacing hole 604 by pressing limiting block 603, and then pull apron 2 through handle 1, make sliding plate 4 slide to a certain distance back inside sliding tray 14, under the spring action of spacing spring 601, make limiting block 603 move and block into inside spacing hole 604 on box 13 one side top, realize the spacing fixed after sliding plate 4 expandes, simultaneously when not using this device, can slide sliding plate 4 into inside sliding tray 14, and then reduce the volume of this device, avoid the too big inconvenience of carrying that leads to of volume.

The working principle is as follows: when the device is used, firstly, the box body 13 is lifted through the handle 1, or the box body 13 is pushed by the universal wheel 8, when the declaration is needed, the positive and negative screw rods 10 can be rotated firstly, the support rods 9 are driven to deflect by the movement of the rod blocks 11 through the matching of the positive and negative screw rods 10 and the rod blocks 11, and then the friction rods 7 are driven to deflect towards the direction of the fixing plate 12 until the bottom ends of the friction rods 7 are completely contacted with the ground, so that the friction rods 7 are supported and limited by the aid of the triangular shapes formed among the friction rods 7, the support rods 9 and the bottom ends of the box body 13, the contact friction force between the box body 13 and the ground is increased, and the placement stability is improved;

then, the limiting block 603 is pressed, so that the limiting block 603 slides in the limiting groove 602 to compress the limiting spring 601 until the limiting spring 601 is completely separated from the limiting hole 604, the cover plate 2 is pulled by the handle 1, the limiting block 603 is movably clamped in the limiting hole 604 at the top end of one side of the box body 13 under the elastic force action of the limiting spring 601 after the sliding plate 4 slides in the sliding groove 14 to a certain distance, the limiting and fixing of the expanded sliding plate 4 are realized, and meanwhile, when the device is not used, the sliding plate 4 can slide into the sliding groove 14, so that the volume of the device is reduced, and the device is convenient to carry;

the reserved block 304 is shifted to slide in the mounting groove 306 to compress the fixing spring 305 until the fixing spring 305 completely enters the mounting groove 306, then the writing board 301 is clamped on one side of the sliding plate 4 by the matching of the clamping block 303 and the clamping groove 302, and meanwhile, under the elastic force action of the fixing spring 305, the reserved block 304 is movably clamped in the reserved groove 308 to limit and fix the clamping of the clamping block 303, so that a teacher can write contents on the surface of the writing board 301 conveniently, and the propaganda effect is improved;

meanwhile, the pull rod 17 can be pulled, so that the clamping plate 19 moves to compress the clamping spring 18, one end of an article such as a poster required for speaking is placed in the clamping groove 16, the clamping plate 19 moves to clamp the article by utilizing the elastic force of the clamping spring 18, the door body 5 is opened again, an appliance for speaking in the article placing cavity 15 is taken out, and the speaking action can be started.

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

Claims (7)

1. The utility model provides a device is explained in research travel, includes apron (2), box (13) and puts thing chamber (15), its characterized in that: the novel mobile phone is characterized by also comprising a high-efficiency structure (3) which is convenient for improving the explaining effect, a limiting structure (6) which reduces the carrying difficulty and a stable structure which ensures the stability;

universal wheels (8) are mounted at four corners of the bottom end of the box body (13), and the stable structure is arranged in the middle of two ends of the bottom end of the box body (13);

a storage cavity (15) is formed in the middle of the bottom end in the box body (13), door bodies (5) are transversely hinged to two sides of the top end of the storage cavity (15), and the efficient structure (3) is arranged in the box body (13) above the door bodies (5);

the inner walls of the box bodies (13) at two sides of the article placing cavity (15) are vertically provided with sliding grooves (14), the sliding grooves (14) are vertically and slidably connected with sliding plates (4) extending to the outer parts of the box bodies (13), and the limiting structures (6) are arranged at one ends of the sliding plates (4) at equal intervals;

the top end of the article placing cavity (15) at the top end of the sliding plate (4) is transversely provided with the cover plate (2), and the middle position of the top end of the cover plate (2) is provided with the handle (1).

2. The travel propaganda device for research as claimed in claim 1, wherein: firm structure includes friction lever (7), friction lever (7) articulate the both sides in box (13) bottom intermediate position department, and box (13) bottom intermediate position department's both sides install fixed plate (12), box (13) below both ends horizontal rotation between fixed plate (12) is connected with positive and negative lead screw (10), and the both sides threaded connection on positive and negative lead screw (10) surface has pole piece (11), the bottom of pole piece (11) articulates there is bracing piece (9), and the one end of bracing piece (9) is articulated with friction lever (7) one side upper end.

3. The travel propaganda device for research as claimed in claim 1, wherein: centre gripping groove (16) are installed to the bottom of apron (2) equidistant, and centre gripping groove (16) both ends sliding connection have and extend to inside pull rod (17) in centre gripping groove (16), the inside winding in centre gripping groove (16) on pull rod (17) surface has centre gripping spring (18), and grip block (19) are installed to the one end of pull rod (17).

4. The travel propaganda device for research as claimed in claim 1, wherein: the efficient structure (3) comprises a writing board (301), clamping grooves (302), clamping blocks (303), reserved blocks (304), fixed springs (305), mounting grooves (306), through grooves (307) and reserved grooves (308), wherein the writing board (301) is arranged inside a box body (13) at the top end of a door body (5), the clamping blocks (303) are mounted at two ends inside the writing board (301) at equal intervals, the reserved grooves (308) are formed in one end inside the clamping blocks (303), the clamping grooves (302) matched with the clamping blocks (303) are formed in the upper ends and the lower ends of two sides inside the sliding plate (4) at equal intervals, the mounting grooves (306) are vertically formed in the sliding plate (4) at one end of each clamping groove (302), the through grooves (307) are vertically formed in the sliding plate (4) at one side of each mounting groove (306), and the fixed springs (305) are mounted at one end inside each mounting groove (306), one end of the fixed spring (305) is slidably connected with a reserved block (304) matched with the reserved groove (308).

5. The research travel announcement device of claim 4, wherein: the length of the through groove (307) is larger than that of the reserved block (304), and the width of the through groove (307) is equal to that of one side of one end of the reserved block (304).

6. The travel propaganda device for research as claimed in claim 1, wherein: limiting structure (6) are including spacing spring (601), spacing groove (602), stopper (603) and spacing hole (604), one side at the inside bottom of sliding plate (4) is seted up to spacing groove (602) equidistant, and the both ends of the inside one side of spacing groove (602) install spacing spring (601), sliding connection has the stopper (603) that extends to spacing groove (602) outside on one side of spacing spring (601), and sliding plate (4) inner wall upper end and the lower extreme of spacing groove (602) one side equidistant offer with stopper (603) matched with spacing hole (604).

7. A research travel announcement device according to claim 2, wherein: the friction rod (7), the support rod (9) and the bottom end of the box body (13) form a triangular shape, and the friction rod (7) and the support rod (9) are symmetrically distributed around the vertical central axis of the box body (13).

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