CN212754695U - Schoolbag with front bag capable of being fully opened, lifted and carried - Google Patents
Schoolbag with front bag capable of being fully opened, lifted and carried Download PDFInfo
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- CN212754695U CN212754695U CN202021504631.4U CN202021504631U CN212754695U CN 212754695 U CN212754695 U CN 212754695U CN 202021504631 U CN202021504631 U CN 202021504631U CN 212754695 U CN212754695 U CN 212754695U
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Abstract
The utility model relates to a learning tools technical field especially relates to a schoolbag that preceding bag is fully opened can carry and can carry on one's back. The utility model aims to solve the technical problem that the schoolbag can be controlled to be opened completely when being opened conveniently. In order to solve the technical problem, the utility model provides a preceding bag is wide to be opened can carry schoolbag of carrying on back, including inclusion and closed board, one side through connection at inclusion top has the pull rod, the bottom threaded connection of pull rod has positive and negative thread bush, the outside threaded connection of positive and negative thread bush bottom has the screw thread piece, the outside cover of positive and negative thread bush is equipped with the slider, the outside cover of positive and negative thread bush is equipped with pressure spring, pressure spring's bottom and slider fixed connection, one side fixedly connected with nest block of the inside bottom of inclusion, pressure spring's top and nest block fixed connection, one side fixedly connected with linkage block of inclusion bottom, the slide rail has been seted up on the surface of linkage block.
Description
Technical Field
The utility model relates to a learning tools technical field specifically is a schoolbag that preceding bag is totally opened can carry and can carry on one's back.
Background
The schoolbag is the most common book carrying tool for students to study and go out, the size of the common schoolbag is fixed, but the opening size of the schoolbag is controlled by a zipper when the conventional schoolbag is opened, and the schoolbag is very inconvenient to put and take articles, cannot be put in or cannot be taken out when the articles are taken, so that the utilization rate is greatly reduced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a schoolbag that preceding bag is fully opened can carry on one's back, has solved the convenient problem that also can control the effect that the schoolbag bag is fully opened simultaneously to opening the schoolbag.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a schoolbag with a fully-opened front bag and a liftable back bag comprises a schoolbag body and a closing plate, wherein a pull rod is connected to one side of the top of the schoolbag body in a penetrating manner, a positive and negative thread sleeve is connected to the bottom of the pull rod in a threaded manner, a thread block is connected to the outer side of the bottom of the positive and negative thread sleeve in a threaded manner, a slider is sleeved on the outer side of the positive and negative thread sleeve, a pressure spring is sleeved on the outer side of the positive and negative thread sleeve, the bottom of the pressure spring is fixedly connected with the slider, a sleeve block is fixedly connected to one side of the bottom inside the schoolbag body, the top of the pressure spring is fixedly connected with the sleeve block, a linkage block is fixedly connected to one side of the bottom of the schoolbag body, a slide rail is arranged on the surface of the linkage block, a rotating shaft is connected to one side of the bottom of the surface of the linkage block, the other end and the inside bottom fixed connection of inclusion of torsional spring, the back and the slide rail sliding connection of movable block one end, the other end and the closed plate fixed connection of movable block, the surface of movable block one end is passed through the stay cord and is connected with the slider transmission, the top fixedly connected with cutting ferrule of inclusion one side, the top fixedly connected with fixed block of closed plate one side, the equal sliding connection in both sides of fixed block has the joint piece, the outside and the cutting ferrule joint of joint piece.
Further preferably, the bottom of one side of the closing plate is fixedly connected with a positive rubber block, the top of the inside of the bag body is fixedly connected with a placing plate, the fixedly connected with a reverse rubber block on one side of the placing plate is connected with a positive rubber block, and one side of the positive rubber block is in lap joint with the reverse rubber block.
Further preferably, one side of the top of the linkage block is fixedly connected with a guide wheel, and the outer side of the guide wheel is in transmission connection with a pull rope.
Preferably, the front and the back of one side of the bottom of the bag body are both fixedly connected with pulleys, and the front and the back of one side of the bag body are both fixedly connected with braces.
Further preferably, a slide way is arranged on one side of the sleeve block, and the inside of the slide way is connected with the slide block in a sliding manner.
Further preferably, one side fixedly connected with joint spring of joint piece, one side and the fixed block fixed connection of joint spring.
(III) advantageous effects
The utility model provides a preceding bag is wide open can carry schoolbag of carrying on back, possesses following beneficial effect:
(1) the schoolbag that can carry on one's back is carried entirely to preceding bag, it is rotatory to make positive and negative thread bush through the decline pull rod, it rises to drive the screw thread piece simultaneously, will overlap joint to the slider when the screw thread piece rises to the shift position, it makes the slider rise to pass the slider, it uses the pivot to be centre of a circle rotation degree to cooperate the stay cord pulling movable block in rising through the slider, make joint piece and cutting ferrule separation be closed plate and inclusion separation opening angle simultaneously, thereby reach the effect of conveniently opening the schoolbag, and also can control the open angle of knapsack along with the degree of depth that descends.
(2) The schoolbag that can carry on one's back is carried entirely to preceding bag, makes positive and negative thread bush rotatory through the pull rod that rises, drives the screw thread piece simultaneously and descends, makes slider and screw thread piece separation, does not have the pulling force of slide rail when the movable block and makes, will utilize the pulling force pulling movable block reversal of torsional spring, makes closed board and inclusion overlap joint together, thereby the joint piece also can reach the effect of convenient closed schoolbag with the cutting ferrule joint simultaneously.
Drawings
FIG. 1 is a view showing the structure of the present invention;
fig. 2 is a side structure view of the cutting sleeve of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 1A according to the present invention;
fig. 4 is a front structural view of the bag body of the utility model.
In the figure: the device comprises a pull rod 1, a clamping sleeve 2, a strap 3, a sleeve block 4, a fixed block 5, a pressure spring 6, a threaded sleeve 7 with positive and negative threads, a sliding block 8, a threaded block 9, a closing plate 10, a clamping spring 11, a pull rope 12, a bag body 13, a sliding rail 14, a linkage block 15, a clamping block 16, a torsion spring 17, a rotating shaft 18, a movable block 19 and a guide wheel 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a schoolbag with a fully-opened front bag and a liftable back comprises a bag body 13 and a closing plate 10, wherein one side of the top of the bag body 13 is connected with a pull rod 1 in a penetrating way, the bottom of the outer side of the pull rod 1 is provided with threads which are mainly used for matching with a positive and negative thread sleeve 7, when the pull rod 1 descends, the positive and negative thread sleeve 7 can be rotated, the bottom of the pull rod 1 is in threaded connection with the positive and negative thread sleeve 7, the inner part of the positive and negative thread sleeve 7 is provided with positive threads, the outer side of the positive and negative thread sleeve 7 is provided with reverse threads, the threaded sleeve 7 is mainly used for driving the threaded sleeve 7 to rotate through the descending of the pull rod 1, a thread block 9 is vertically moved through the rotation of the threaded sleeve 7, the outer side of the bottom of the positive and negative thread sleeve 7 is in threaded connection with a thread block 9, the outer side of the positive and negative thread sleeve 7 is, the top of the pressure spring 6 is fixedly connected with the sleeve block 4, one side of the bottom of the bag body 13 is fixedly connected with a linkage block 15, the surface of the linkage block 15 is provided with a slide rail 14, one side of the bottom of the surface of the linkage block 15 is connected with a rotating shaft 18 in a penetrating way, the outer side of the rotating shaft 18 is sleeved with a movable block 19, the outer side of one end of the rotating shaft 18 is sleeved with a torsion spring 17, the torsion spring 17 is mainly used for enabling the closing plate 10 to be automatically closed with the bag body 13 by utilizing the elasticity of the torsion spring 17 when the movable block 19 does not have the pulling force of the pulling rope 12, one end of the torsion spring 17 is fixedly connected with the movable block 19, the other end of the torsion spring 17 is fixedly connected with the bottom inside the bag body 13, the back of one end of the movable block 19 is slidably connected with the slide rail 14, the other end of the movable block 19 is fixedly connected with the closing plate 10, equal sliding connection in both sides of 5 inside fixed blocks has joint piece 16, the outside and the cutting ferrule 2 joint of joint piece 16, the positive block rubber of bottom fixedly connected with of closed board 10 one side, the board is placed to the inside top fixedly connected with of inclusion 13, the anti-block rubber of fixedly connected with of the one side of placing the board, one side and the anti-block rubber overlap joint of positive block rubber, one side fixedly connected with leading wheel 20 at linkage piece 15 top, the outside and the stay cord 12 transmission of leading wheel 20 are connected, the front and the equal fixedly connected with pulley in the back of inclusion 13 bottom one side, the front and the equal fixedly connected with braces in the back of inclusion 13 one side 3, the slide has been seted up to one side of cover 4, the inside and the 8 sliding connection of slider of slide, one side fixedly connected with joint spring 11 of joint piece 16, one side and 5 fixed connection of.
The working principle is as follows: the forward and reverse threaded sleeves 7 are rotated by descending the pull rod 1, the thread block 9 is driven to ascend, when the thread block 9 ascends to a moving position, the thread block is overlapped with the sliding block 8, the sliding block 8 is pushed to ascend, when the movable block 19 is pulled by the rising of the sliding block 8 and the pull rope 12 to rotate 90 degrees by taking the rotating shaft 18 as a center, meanwhile, the clamping block 16 is separated from the clamping sleeve 2 by separating the closing plate 10 from the bag body 13 and opening an angle of 90 degrees, thereby achieving the effect of conveniently opening the schoolbag, the positive and negative thread sleeves 7 are rotated by the lifting pull rod 1, meanwhile, the thread block 9 is driven to descend, the sliding block 8 is separated from the thread block 9, when the movable block 19 is not pulled by the sliding rail 14, the movable block 19 is pulled to rotate reversely by the pulling force of the torsion spring 17, the closing plate 10 is connected with the bag body 13 in an overlapping mode, and meanwhile, the clamping block 16 is also connected with the clamping sleeve 2 in a clamping mode, so that the effect of conveniently closing the schoolbag is achieved.
Claims (6)
1. The utility model provides a schoolbag that preceding bag is opened wide can be carried on one's back, includes inclusion (13) and closing plate (10), its characterized in that: the bag comprises a bag body (13), wherein a pull rod (1) is connected to one side of the top of the bag body (13) in a penetrating manner, a positive and negative thread sleeve (7) is connected to the bottom of the pull rod (1) in a threaded manner, a thread block (9) is connected to the outer side of the bottom of the positive and negative thread sleeve (7) in a threaded manner, a sliding block (8) is sleeved on the outer side of the positive and negative thread sleeve (7), a pressure spring (6) is sleeved on the outer side of the positive and negative thread sleeve (7), the bottom of the pressure spring (6) is fixedly connected with the sliding block (8), a sleeve block (4) is fixedly connected to one side of the inner bottom of the bag body (13), the top of the pressure spring (6) is fixedly connected with the sleeve block (4), a linkage block (15) is fixedly connected to one side of the bottom of the bag body (13), a sliding, a movable block (19) is sleeved on the outer side of the rotating shaft (18), a torsion spring (17) is sleeved on the outer side of one end of the rotating shaft (18), one end of the torsion spring (17) is fixedly connected with the movable block (19), the other end of the torsion spring (17) is fixedly connected with the bottom inside the bag body (13), the back of one end of the movable block (19) is connected with the sliding rail (14) in a sliding way, the other end of the movable block (19) is fixedly connected with the closing plate (10), the surface of one end of the movable block (19) is in transmission connection with the sliding block (8) through a pull rope (12), the top of one side of the bag body (13) is fixedly connected with a clamping sleeve (2), the top of one side of the closing plate (10) is fixedly connected with a fixed block (5), the inside equal sliding connection in both sides of fixed block (5) has joint piece (16), the outside and cutting ferrule (2) joint of joint piece (16).
2. The fully-open, liftable and portable schoolbag with the front bag as claimed in claim 1, is characterized in that: the bag comprises a closed plate (10), a front rubber block and a back rubber block, wherein the bottom of one side of the closed plate (10) is fixedly connected with the front rubber block, the top of the interior of the bag body (13) is fixedly connected with a placing plate, the back rubber block is fixedly connected with one side of the placing plate, and one side of the front rubber block is in lap joint with the back rubber block.
3. The fully-open, liftable and portable schoolbag with the front bag as claimed in claim 1, is characterized in that: one side of the top of the linkage block (15) is fixedly connected with a guide wheel (20), and the outer side of the guide wheel (20) is in transmission connection with the pull rope (12).
4. The fully-open, liftable and portable schoolbag with the front bag as claimed in claim 1, is characterized in that: the front and the back of one side of the bottom of the bag body (13) are both fixedly connected with pulleys, and the front and the back of one side of the bag body (13) are both fixedly connected with braces (3).
5. The fully-open, liftable and portable schoolbag with the front bag as claimed in claim 1, is characterized in that: a slide way is arranged on one side of the sleeve block (4), and the inside of the slide way is connected with the slide block (8) in a sliding mode.
6. The fully-open, liftable and portable schoolbag with the front bag as claimed in claim 1, is characterized in that: one side fixedly connected with joint spring (11) of joint piece (16), one side and fixed block (5) fixed connection of joint spring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021504631.4U CN212754695U (en) | 2020-07-27 | 2020-07-27 | Schoolbag with front bag capable of being fully opened, lifted and carried |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021504631.4U CN212754695U (en) | 2020-07-27 | 2020-07-27 | Schoolbag with front bag capable of being fully opened, lifted and carried |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212754695U true CN212754695U (en) | 2021-03-23 |
Family
ID=75039172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021504631.4U Active CN212754695U (en) | 2020-07-27 | 2020-07-27 | Schoolbag with front bag capable of being fully opened, lifted and carried |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212754695U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114931271A (en) * | 2022-06-15 | 2022-08-23 | 王银银 | Multifunctional backpack |
-
2020
- 2020-07-27 CN CN202021504631.4U patent/CN212754695U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114931271A (en) * | 2022-06-15 | 2022-08-23 | 王银银 | Multifunctional backpack |
| CN114931271B (en) * | 2022-06-15 | 2024-04-12 | 广州市瑞洲皮具有限公司 | Multifunctional knapsack |
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