Detachable pull rod backpack
By designing a connection structure of a detachable trolley backpack, the maintenance inconvenience problem caused by the detachable trolley and the bag body being fixed together in the prior art is solved, and the detachable trolley can be conveniently disassembled and stably installed, thereby extending the service life.
Patent Information
- Application Number
- CN202422658424.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-10-31
AI Technical Summary
The pull rod of the existing backpack is fixed to the bag body, which makes it difficult to disassemble and affects the flexibility of maintenance and repair.
A detachable drawbar backpack is designed. The detachable connection of the drawbar is achieved through the mutual cooperation of an installation block, a clamping block, a clamping slot, a fixing slot, a moving block, a moving rod, a pull plate, a limit block, a limit slot, a concave plate, a splint, a threaded rod and a rotating block.
The disassembly and assembly process of the pull rod is simplified, the service life and installation stability of the pull rod are guaranteed, and the practicality is improved.
Smart Images

Figure CN223438050U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to double shoulder bag technical field, concretely is a detachable pull rod double shoulder bag. BACKGROUND
[0002] Double shoulder bag is the general term of the backpack on the double shoulder. According to the different purposes of double shoulder bag, it is divided into double shoulder computer backpack, sports double shoulder bag, fashion double shoulder bag, in order to reduce the weight of double shoulder bag when carrying, usually set up on double shoulder bag with pull rod, so that double shoulder bag can be pulled.
[0003] According to application number: CN202123003202.6, a comfortable type double shoulder bag of carrying, including main bag, the bottom position of the front and rear ends of main bag is fixedly connected with bearing, the front and rear end positions of the right side of main bag are fixedly connected with telescopic rod, the front and rear end positions of the left side of main bag are fixedly connected with shoulder strap, two the inner side position of the outer surface of shoulder strap is provided with elastic layer, the inner side position of elastic layer is fixedly connected with bacteriostatic layer, the inner side position of bacteriostatic layer is fixedly connected with skin-friendly layer and skin-friendly layer is pure cotton fiber material.
[0004] The double shoulder bag and pull rod of the above case are fixedly integrated, which is inconvenient to disassemble the pull rod for maintenance and overhaul, and reduces the flexibility during use. Therefore, we provide a detachable pull rod double shoulder bag. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a detachable pull rod double shoulder bag to solve the problems in the above background technology.
[0006] To achieve the above object, the utility model provides the following technical scheme: a detachable pull rod double shoulder bag, including the body, and the pull rod body of the left side of the body is inserted, the left side of the bottom of the body is rotatably connected with two rollers through two supports, the right side of the bottom of the body is provided with two supporting blocks, further including the mounting block, the mounting block is installed on the left side of the body and is located at the bottom of the pull rod body, the bottom of the pull rod body is provided with the clamping block, the top of the mounting block is provided with the clamping groove, the bottom of the clamping block is penetrated through the clamping groove and extends to the inside of the clamping groove and is in contact with the inner wall of the clamping groove, the left side of the mounting block is provided with the fixed slot, the inside of the fixed slot is provided with the movable movable block, the left side of the movable block is provided with the movable rod, the left end of the movable rod is penetrated through the fixed slot and extends to the outside of the fixed slot, the left end of the movable rod is provided with the pull plate, the right side of the pull plate is provided with the limiting block, the left side of the clamping block is provided with the limiting slot, the right side of the limiting block is sequentially penetrated through the clamping groove and the limiting slot from left to right and extends to the inside of the limiting slot and is in contact with the inner wall of the limiting slot.
[0007] Preferably, the left side of the package body and the surface of the pull rod body are provided with a concave plate, the inside of the concave plate and the left side of the pull rod body are provided with a clamping plate, the clamping plate is rotatably connected with a threaded rod through a bearing in the groove on the left side of the clamping plate, the threaded rod is threadedly connected with the concave plate, the left end of the threaded rod penetrates through the concave plate and extends to the outside of the concave plate, and the left end of the threaded rod is provided with a rotating block.
[0008] Compared with the prior art, the utility model has the advantages that:
[0009] The utility model discloses through the mutual match of mounting block, card block, card slot, fixed slot, moving block, moving rod, pull plate, limit block, limit slot, concave plate, clamping plate, threaded rod and rotating block, thereby convenient to dismantle the pull rod from the backpack and maintain and overhaul, make its dismounting process simple and convenient, thereby guarantee the service life of the pull rod body, can guarantee the stability of the pull rod body installation to the backpack simultaneously, improved practicality. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 It is the three -dimensional structure schematic diagram of the utility model;
[0011] Figure 2 It is the three -dimensional structure schematic diagram of the utility model pull rod body, mounting block, pull plate, concave plate and rotating block;
[0012] Figure 3 It is the structure section view of the front view of the utility model;
[0013] Figure 4 It is the structure section view of the front view of the utility model mounting block, limit block, limit slot, positioning rod and positioning slot.
[0014] In the drawing: 1 package body, 2 pull rod body, 3 roller, 4 supporting block, 5 mounting block, 6 card block, 7 card slot, 8 fixed slot, 9 moving block, 10 moving rod, 100 elastic piece, 11 pull plate, 12 limit block, 13 limit slot, 14 concave plate, 15 clamping plate, 16 threaded rod, 17 rotating block, 18 positioning rod, 19 positioning slot, 20 shoulder strap. DETAILED DESCRIPTION
[0015] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0016] Please refer to Figures 1-4The utility model provides a detachable pull rod double shoulder bag, including the bag body 1 and the pull rod body 2 of setting in the left side of bag body 1 can be inserted, the left side of the bottom of bag body 1 is rotatably connected with two gyro wheels 3 through two supports, and the right side of the bottom of bag body 1 is fixedly connected with two support blocks 4.
[0017] Further, the left side of the bag body 1 is fixedly connected with two shoulder straps 20.
[0018] Further, the left side of the bag body 1 is fixedly connected with two shoulder straps 20.
[0019] The left side of the mounting block 5 is provided with a fixed slot 8, and the inside of the fixed slot 8 is provided with a movable moving block 9 in sliding contact with the inner wall of the fixed slot 8. The left side of the moving block 9 is fixedly connected with a moving rod 10, the left end of the moving rod 10 penetrates through the fixed slot 8 and extends to the outside thereof, the left end of the moving rod 10 is fixedly connected with a pull plate 11, the right side of the pull plate 11 is fixedly connected with a limiting block 12, the left side of the clamping block 6 is provided with a limiting slot 13 corresponding to the position of the limiting block 12, and the right side of the limiting block 12 penetrates through the clamping slot 7 and the limiting slot 13 from left to right and extends to the inside of the limiting slot 13 in contact with the inner wall of the limiting slot 13.
[0020] Further, the surface of the moving rod 10 is sleeved with an elastic member 100 made of a spring. The stability of the limiting block 12 inserted into the limiting slot 13 is ensured by the elastic force of the spring.
[0021] The left side of the bag body 1 is fixedly connected with a concave plate 14 on the surface of the pull rod body 2, the inner wall of the concave plate 14 is in contact with the surface of the pull rod body 2, the inside of the concave plate 14 is provided with a clamping plate 15 on the left side of the pull rod body 2, the right side of the clamping plate 15 is in contact with the left side of the pull rod body 2, a threaded rod 16 screwing with the concave plate 14 is rotatably connected in the groove on the left side of the clamping plate 15 through a bearing, the left end of the threaded rod 16 penetrates through the concave plate 14 and extends to the outside thereof, and the left end of the threaded rod 16 is fixedly connected with a rotating block 17.
[0022] Further, the stability of the connection between the pull rod body 2 and the mounting block 5 is ensured by the clamping plate 15.
[0023] Further, the top and bottom of the left side of the clamping plate 15 are fixedly connected with positioning rods 18, the left side of the inner wall of the recessed plate 14 is provided with positioning grooves 19 corresponding to the positions of the positioning rods 18, and the left ends of the positioning rods 18 extend into the positioning grooves 19 and are in contact with the inner walls of the positioning grooves 19, so that the stability of the clamping plate 15 during movement is improved.
[0024] Through the cooperation of the mounting block 5, the clamping block 6, the clamping groove 7, the fixing groove 8, the moving block 9, the moving rod 10, the pull plate 11, the limiting block 12, the limiting groove 13, the recessed plate 14, the clamping plate 15, the threaded rod 16 and the rotating block 17, the pull rod can be conveniently disassembled from the backpack for maintenance and repair, so that the disassembly process is simple and convenient, thereby ensuring the service life of the pull rod body 2 and the stability of the installation of the pull rod body 2 to the backpack, and improving the practicability.
[0025] In use, the rotating block 17 is rotated, the rotating block 17 drives the clamping plate 15 to move left through the threaded rod 16, so that the clamping plate 15 and the pull rod body 2 are separated, then the pull plate 11 is pulled left, the pull plate 11 drives the moving block 9 to move left by extruding the elastic element 100 through the moving rod 10, the pull plate 11 drives the limiting block 12 and the limiting groove 13 to be separated, then the pull rod body 2 is pulled up, the pull rod body 2 drives the clamping block 6 to move up, so that the clamping block 6 and the clamping groove 7 are separated, and the pull rod body 2 is pulled out from the recessed plate 14 to complete the disassembly.
[0026] In summary: the detachable pull rod backpack solves the problems in the background art through the cooperation of the mounting block 5, the clamping block 6, the clamping groove 7, the fixing groove 8, the moving block 9, the moving rod 10, the pull plate 11, the limiting block 12, the limiting groove 13, the recessed plate 14, the clamping plate 15, the threaded rod 16 and the rotating block 17.
[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A backpack with a detachable trolley, characterized by: The invention comprises a bag body (1) and a pull rod body (2) which is pluggable and arranged on the left side of the bag body (1); the left side of the bottom of the bag body (1) is rotatably connected to two rollers (3) through two brackets; two support blocks (4) are installed on the right side of the bottom of the bag body (1); and the invention also comprises a mounting block (5); the mounting block (5) is installed on the left side of the bag body (1) and is located at the bottom of the pull rod body (2); a clamping block (6) is installed at the bottom of the pull rod body (2); a clamping slot (7) is provided at the top of the mounting block (5) and at a position corresponding to the clamping block (6); the bottom of the clamping block (6) passes through the clamping slot (7) and extends to the inside thereof and contacts the inner wall of the clamping slot (7); the mounting block (5) A fixed groove (8) is provided on the left side of the movable block (9), a movable moving block (9) is provided inside the fixed groove (8), a moving rod (10) is installed on the left side of the moving block (9), the left end of the moving rod (10) passes through the fixed groove (8) and extends to the outside thereof, a pull plate (11) is installed on the left end of the moving rod (10), a limiting block (12) is installed on the right side of the pull plate (11), a limiting groove (13) is provided on the left side of the clamping block (6) and at a position corresponding to the limiting block (12), the right side of the limiting block (12) passes through the clamping groove (7) and the limiting groove (13) in sequence from left to right and extends to the inside of the limiting groove (13) and contacts the inner wall of the limiting groove (13).
2. The detachable trolley backpack according to claim 1, characterized in that: A concave plate (14) is installed on the left side of the package body (1) and on the surface of the pull rod body (2); a clamping plate (15) is provided inside the concave plate (14) and on the left side of the pull rod body (2); a threaded rod (16) threadedly connected to the concave plate (14) is rotatably connected in the groove on the left side of the clamping plate (15) through a bearing; the left end of the threaded rod (16) passes through the concave plate (14) and extends to the outside thereof; a rotating block (17) is installed on the left end of the threaded rod (16).
Citation Information
Patent Citations
Backpack comfortable to carry
CN217039220U