CN221105106U - English teaching kit convenient to carry - Google Patents

Abstract

The utility model relates to the technical field of machinery, and provides a portable English teaching tool bag, which comprises a knapsack body, wherein a fixed seat is arranged on one side of the knapsack body, two braces are fixedly connected on one side of the fixed seat, a movement auxiliary device is arranged in the fixed seat, the movement auxiliary device comprises two sliding rods and two transmission blocks, the knapsack body is backed up through the braces through the arrangement of structures such as the braces and universal wheels, the carrying and the movement of the knapsack body are realized, the sliding rods are pulled, the threaded rods are rotated through the arrangement of rack plates and a rotating shaft, the transmission blocks drive the universal wheels to move out of the sliding seat, the knapsack body is placed on the ground, the handles are pulled, the movement is realized through the universal wheels, and the knapsack body is more convenient to carry in a plurality of modes.

Description

English teaching kit convenient to carry

Technical Field

The utility model relates to the technical field of machinery, in particular to an English teaching kit convenient to carry.

Background

The English teaching kit is a tool kit specially designed for English teaching, and comprises various teaching tools such as a projector, a whiteboard, a magnetic plate, a recorder, a CD player, an MP3 player and the like, and the tools can help students to better understand and master English knowledge and improve teaching effects.

The authorized bulletin number in the prior art is: the patent discloses an English teaching tool bag of CN219613249U, and the main body component of the patent consists of a bag body, a bag cover, a lifting belt and a magic tape, and the containing component is positioned in the bag body and consists of a containing piece, a stirring piece and a driven piece;

However, the carrying and moving of the teaching tool bag are realized only through the carrying belt, so that the mode is single, and the carrying is inconvenient.

Disclosure of utility model

The utility model provides an English teaching kit convenient to carry, which solves the problems of inconvenient carrying and poor practicability in the related technology.

The technical scheme of the utility model is as follows:

The utility model provides a convenient to carry's english teaching aid package, includes the knapsack body, the fixing base is installed to one side of knapsack body, one side fixedly connected with two braces of fixing base, the inside of fixing base is provided with removes auxiliary device;

The movable auxiliary device comprises two sliding rods and two transmission blocks, wherein the sliding rods and the transmission blocks are all slidably assembled in the fixed seat, the two sides of the sliding rods are fixedly connected with directional blocks, the bottoms of the sliding rods are fixedly connected with rack plates through screws, two threaded rods and two rotating shafts are respectively rotatably installed in the fixed seat, the transmission blocks are sleeved with threads on the outer peripheral surface of the threaded rods, driven bevel gears are fixedly sleeved on the outer peripheral surface of the threaded rods, driving bevel gears and driving gears are fixedly sleeved on the outer peripheral surface of the rotating shafts respectively, and universal wheels are installed at the bottoms of the transmission blocks.

Preferably, the inside sliding fit of slide bar has the telescopic link, two one side of telescopic link is commonly through screw fixedly connected with handle, the inside sliding fit of slide bar has the locating piece, one side welding of locating piece has the connecting rod, the one end fixedly connected with pull rod of connecting rod, set up the locating hole of a plurality of array equidistance equipartition on the telescopic link.

Preferably, the inside of fixing base has seted up spout, recess and two symmetrical arrangement's directional groove respectively, the slide bar the drive block and directional piece sliding connection respectively be in the spout the recess and the inside of directional groove, the directional groove is used for restricting the direction of movement of directional piece.

Preferably, the transmission block is provided with a thread groove, the threaded rod is in threaded connection with the inside of the thread groove, and the thread groove enables the threaded rod to rotate so as to drive the transmission block to move.

Preferably, the driving bevel gear is meshed with the driven bevel gear, the driving gear is meshed with the rack plate, and the driving bevel gear and the driven bevel gear are meshed so that the driving bevel gear can drive the driven bevel gear to synchronously rotate.

Preferably, a positioning groove is formed in the sliding rod, a part of the positioning block is slidably connected in the positioning groove, a positioning spring is connected between the positioning block and the inner wall of the positioning groove, and the positioning spring is used for resetting the positioning block.

The working principle and the beneficial effects of the utility model are as follows:

1. According to the backpack, the backpack body is backed up through the braces and the universal wheels and the like, the carrying and the moving of the backpack body are realized, the sliding rod is pulled, the threaded rod is rotated through the arrangement of the rack plate and the rotating shaft, the transmission block drives the universal wheels to move out of the sliding seat, the backpack body is placed on the ground, the handle is pulled, the moving is realized through the universal wheels, and the backpack body is more convenient to carry in various modes.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a side view of the present utility model;

FIG. 3 is a schematic view of the structure of the threaded rod and the rotary shaft of the present utility model;

fig. 4 is an enlarged view of fig. 2 a in accordance with the present utility model.

In the figure: 1. a backpack body; 2. a fixing seat; 3. a harness;

4. A movement assisting device; 40. a slide bar; 41. an orientation block; 42. a transmission block; 43. a universal wheel; 44. a threaded rod; 45. a rotating shaft; 46. rack plate; 47. a driven bevel gear; 48. a drive bevel gear; 49. a drive gear;

5. A telescopic rod; 6. a handle; 7. positioning holes; 8. a positioning block; 9. a connecting rod; 10. a pull rod; 11. and a positioning spring.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1-4, this embodiment provides a convenient to carry's english teaching aid package, including knapsack body 1, fixing base 2 is installed to one side of knapsack body 1, one side fixedly connected with two braces 3 of fixing base 2, the inside of fixing base 2 is provided with removal auxiliary device 4, removal auxiliary device 4 includes two slide bars 40 and two driving blocks 42, slide bar 40 and driving blocks 42 all sliding fit in the inside of fixing base 2, the equal fixedly connected with directional piece 41 in both sides of slide bar 40, the bottom of slide bar 40 passes through screw fixedly connected with rack plate 46, two threaded rods 44 and two pivot 45 are installed in the inside rotation of fixing base 2 respectively, the driving blocks 42 thread bush is established on the outer peripheral face of threaded rods 44, the fixed bush is equipped with driven bevel gear 47 on the outer peripheral face of threaded rods 44, the fixed bush is equipped with driving bevel gear 48 and driving gear 49 respectively on the outer peripheral face of pivot 45, universal wheel 43 is installed to the bottom of driving blocks 42, through the setting of structures such as braces 3, universal wheel 43, carry knapsack body 1 back up through braces 3, carry and remove knapsack body through screw fixedly connected with directional piece 41, the bottom of slide bar 40, the inside rotation of fixing base is installed with two threaded rods 44 and two pivot 45, make the universal wheel 43 rotate the universal wheel 43 through setting up the universal wheel 43, and make the universal wheel 43 rotate more conveniently and carry out the body through the setting up at the universal wheel 43.

As shown in fig. 2, the inside of the fixing base 2 is provided with a sliding groove, a groove and two symmetrically arranged directional grooves, and the sliding rod 40, the transmission block 42 and the directional block 41 are respectively and slidably connected in the sliding groove, the groove and the directional grooves.

As shown in fig. 2, the driving block 42 is provided with a thread groove, and the threaded rod 44 is screwed into the thread groove.

As shown in fig. 3, the drive bevel gear 48 and the driven bevel gear 47 are engaged, and the drive gear 49 and the rack plate 46 are engaged.

In this embodiment, the back strap 3 is carried, the carrying of the backpack body 1 can be realized, the backpack body 1 is placed on the ground, the handle 6 is pulled, the sliding rod 40 is driven to move, the sliding rod 40 drives the rack plate 46 to move, the rack plate 46 moves to enable the driving gear 49 to rotate, the driving gear 49 drives the rotating shaft 45 to rotate, the rotating shaft 45 drives the driving bevel gear 48 to rotate, the driving bevel gear 48 drives the driven bevel gear 47 to rotate, the driven bevel gear 47 drives the threaded rod 44 to move, the threaded rod 44 moves the transmission block 42, the transmission block 42 and the groove are square, the transmission block 42 moves downwards through the limitation of the groove, the universal wheel 43 is driven to move out of the fixed seat 2, the backpack body 1 is more convenient to carry through the movement of the plurality of modes of the back strap 3 and the universal wheel 43, the telescopic universal wheel 43 enables the backpack body not to be contacted with a human body when the back strap 3 and the universal wheel 43 are carried out, discomfort is not caused by a user, after the universal wheel 43 moves out, the sliding rod 40 continues to move out of the driving gear 49, the rack plate 46 is not meshed any more, the driving gear is in a static state, the driving gear is in a state when the driving gear moves out, the driving gear is in a reverse direction, the reset state, the rack plate 46 moves in a reset state, and the reset state when the driving gear is meshed with the driving gear 49 again, and the universal wheel is not meshed with the universal wheel 43.

Example 2

As shown in fig. 1 to 4, based on the same concept as that of the above embodiment 1, this embodiment further provides that the sliding rod 40 is slidably equipped with the telescopic rods 5, one sides of the two telescopic rods 5 are fixedly connected with the handles 6 through screws, the sliding rod 40 is slidably equipped with the positioning blocks 8, one side of the positioning blocks 8 is welded with the connecting rod 9, one end of the connecting rod 9 is fixedly connected with the pull rod 10, and the telescopic rods 5 are provided with the positioning holes 7 uniformly distributed in a plurality of arrays at equal intervals.

As shown in fig. 4, a positioning groove is formed in the sliding rod 40, a part of the positioning block 8 is slidably connected in the positioning groove, and a positioning spring 11 is connected between the positioning block 8 and the inner wall of the positioning groove.

In this embodiment, pulling pull rod 10 drives connecting rod 9 motion, and connecting rod 9 drives locating piece 8 motion for locating piece 8 extrusion positioning spring 11 is to the inside motion of constant head tank, but later movable telescopic link 5 realizes the lift of handle 6, and then more convenient more personnel's use, makes the practicality of device better, loosens pull rod 10, and positioning spring 11 drive locating piece 8 resets, and inside the card was advanced locating hole 7, realizes the fixed of telescopic link 5.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (6)

1. The English teaching tool bag is characterized by comprising a knapsack body (1), wherein a fixed seat (2) is arranged on one side of the knapsack body (1), two braces (3) are fixedly connected on one side of the fixed seat (2), and a mobile auxiliary device (4) is arranged in the fixed seat (2);

The mobile auxiliary device (4) comprises two sliding rods (40) and two transmission blocks (42), wherein the sliding rods (40) and the transmission blocks (42) are all slidably assembled in the fixed seat (2), the two sides of each sliding rod (40) are fixedly connected with a directional block (41), the bottoms of the sliding rods (40) are fixedly connected with a rack plate (46) through screws, two threaded rods (44) and two rotating shafts (45) are respectively rotatably installed in the fixed seat (2), the transmission blocks (42) are sleeved on the outer peripheral surface of each threaded rod (44), driven bevel gears (47) are fixedly sleeved on the outer peripheral surface of each threaded rod (44), driving bevel gears (48) and driving gears (49) are fixedly sleeved on the outer peripheral surface of each rotating shaft (45), and universal wheels (43) are installed at the bottoms of the transmission blocks (42).

2. The English teaching kit convenient to carry according to claim 1, wherein the telescopic rods (5) are slidably assembled in the sliding rods (40), one sides of the two telescopic rods (5) are fixedly connected with handles (6) through screws, the positioning blocks (8) are slidably assembled in the sliding rods (40), connecting rods (9) are welded on one sides of the positioning blocks (8), one ends of the connecting rods (9) are fixedly connected with pull rods (10), and the telescopic rods (5) are provided with positioning holes (7) uniformly distributed in an array mode at equal intervals.

3. The portable English teaching tool bag according to claim 1, wherein a sliding groove, a groove and two symmetrically arranged directional grooves are respectively formed in the fixing seat (2), and the sliding rod (40), the transmission block (42) and the directional block (41) are respectively and slidably connected in the sliding groove, the groove and the directional groove.

4. The portable English teaching tool bag according to claim 1, wherein the transmission block (42) is provided with a thread groove, and the threaded rod (44) is in threaded connection with the inside of the thread groove.

5. The portable english teaching kit according to claim 1, wherein the drive bevel gear (48) and the driven bevel gear (47) are engaged, and the drive gear (49) and the rack plate (46) are engaged.

6. The portable English teaching tool bag according to claim 2, wherein a positioning groove is formed in the sliding rod (40), a part of the positioning block (8) is slidably connected in the positioning groove, and a positioning spring (11) is connected between the positioning block (8) and the inner wall of the positioning groove.