Quick-release fixing device for goods shelf

Abstract

The utility model provides a quick-release fixing device for a goods shelf. The quick-release fixing device for the goods shelf comprises a quick-release structure, the quick-release structure is detachably connected with a rear goods shelf of the bicycle, the rear goods shelf comprises a front barrier strip and a rear barrier strip, the quick-release structure comprises a quick-release plate, one end of the quick-release plate is provided with a limiting part I, the other end of the quick-release plate is connected with a movable block in a sliding mode, the movable block comprises a limiting part II, and the limiting part II is connected with the limiting part II in a sliding mode. A first elastic piece is elastically connected outside the movable block, and the limiting part I of the quick release plate and the limiting part II of the movable block are buckled with a front barrier strip and a rear barrier strip of the rear goods shelf respectively. Mounting and dismounting of the goods shelf can be directly completed, the limiting effect is good, and stability after mounting is good.

Description

Technical Field

[0001] The utility model relates to an auxiliary tool for carrying goods on a vehicle, in particular to a quick-release fixing device for a rear rack of a bicycle. Background Art

[0002] A rear rack with a cargo-carrying function is usually arranged above the rear wheel of a bicycle. When the rear rack is needed to place items, the items are generally directly placed on the rear rack. When fixation is required, additional auxiliary fixation such as ropes is used. However, the fixation, placement, and removal of items are all rather troublesome, and the stability is not good enough. There are also some solutions that directly fix and install the auxiliary fixation mechanism to the rear frame, but the existing installation methods also have problems such as difficult disassembly and assembly and poor stability. At the same time, it is not convenient to replace and repair when some parts are damaged, causing inconvenience to users. Summary of the Utility Model

[0003] In view of the defects existing in the existing shelf fixing device, the technical problem to be solved by the utility model is to provide a shelf quick-release fixing device that is convenient for disassembly and assembly and has good stability.

[0004] To achieve the above object, according to one aspect of the utility model, the utility model is realized by the following technical measures:

[0005] A shelf quick-release fixing device includes: a quick-release structure, the quick-release structure is detachably connected to the rear rack of the bicycle. The rear rack includes a front retaining bar and a rear retaining bar. The quick-release structure includes a quick-release plate. One end of the quick-release plate is provided with a limiting part I, and the other end is slidably connected with a movable block. The movable block includes a limiting part II, and a first elastic member is elastically connected to the outside of the movable block. The limiting part I of the quick-release plate and the limiting part II of the movable block are respectively buckled with the front retaining bar and the rear retaining bar of the rear rack.

[0006] Further, an inner side of the lower edge of the front retaining bar of the rear rack is provided with a square groove I, an upper edge of the front retaining bar is provided with a trapezoidal groove corresponding to the square groove I in position, an opening of the trapezoidal groove is smaller than the square groove I, and a lower edge of the rear retaining bar is provided with a square groove III.

[0007] Further, the limiting part I of the quick-release plate includes a tongue buckle I. A limiting rib is arranged at a connection position between the tongue buckle I and the quick-release plate. The tongue buckle I abuts against the square groove I of the front retaining bar, and the limiting rib abuts against the trapezoidal groove of the front retaining bar, so that the tongue buckle I plays a limiting role.

[0008] Further, a receiving groove is formed at one end of the quick-release plate corresponding to the movable block. The receiving groove is T-shaped. Sliding blocks are arranged on both the left and right sides of the top end of the movable block. The shape of the sliding blocks corresponds to that of the receiving groove. The sliding blocks are inserted into the receiving groove and slide therein to control the sliding direction of the movable block. The limiting portion II is arranged at the bottom of the movable block. The limiting portion II includes a tongue buckle II. The position of the tongue buckle II corresponds to the square groove III of the rear retaining bar. A square groove II is formed at the bottom of the limiting portion II. One side of the square groove II is a stepped surface for hand gripping.

[0009] Further, a soft rubber is attached to the tail of the quick-release plate.

[0010] Further, limiting feet are arranged on the lower side of the quick-release plate. After the quick-release plate is placed in the rear shelf, the limiting feet abut against the frame, the front retaining bar and the rear retaining bar of the rear shelf, playing a limiting role in all directions of front, back, left and right.

[0011] Further, limiting columns are respectively fixed on the left and right sides at the rear end of the receiving groove of the quick-release plate. The first elastic member includes a rear cover plate. The left and right sides of the rear cover plate abut against the inside of the limiting columns. The top of the rear cover plate is coupled with the quick-release plate. A baffle is fixed between the two sliding blocks of the movable block. The rear cover plate extends towards the baffle to form a spring column. A spring is inserted into the spring column. The other end of the spring abuts against the baffle.

[0012] Further, limiting plates are arranged on the sliding blocks. There are two limiting plates, which play a limiting role for the spring.

[0013] Further, reinforcing ribs are arranged inside the rear cover plate.

[0014] Further, an object placing member is fixed to the quick-release structure by bolts.

[0015] Compared with the prior art, the advantages of the present utility model are as follows: The installation and disassembly can be directly completed by gripping the movable block by hand. The limiting effect is good, and the stability is good after installation. The quick-release structure can be used in combination with a variety of optional matching components, and the compatibility is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting a part of the present utility model are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0017] Figure 1 is a schematic structural diagram of a quick-release fixing device for a shelf according to the present utility model.

[0018] Figure 2 is a schematic structural diagram of the quick-release structure according to the present utility model.

[0019] Figure 3 Explosion schematic diagram of the first embodiment of a quick-release fixing device for a shelf according to the present utility model.

[0020] Figure 4 Explosion schematic diagram of the second embodiment of a quick-release fixing device for a shelf according to the present utility model.

[0021] Figure 5 Schematic diagram of the structure of the movable block according to the present utility model.

[0022] Figure 6 Schematic diagram of the structure of the third embodiment of a quick-release fixing device for a shelf according to the present utility model.

[0023] Explanation of reference numerals: 1. Quick-release structure; 2. Placing object; 3. Rear shelf; 4. First elastic member; 5. Movable block; 6. Quick-release plate; 7. Rear retaining strip; 8. Front retaining strip; 9. Square groove I; 10. Square groove III; 11. Trapezoidal groove; 12. Limiting foot; 13. Tongue buckle II; 14. Square groove II; 15. Sliding block; 16. Limiting plate; 17. Soft rubber; 18. Accommodating groove; 19. Limiting column; 20. Rear cover plate; 21. Spring column; 22. Spring; 23. Tongue buckle I; 24. Limiting rib; 25. Baffle; 26. Limiting part I; 27. Step surface; 28. Limiting part II. Detailed implementation manners [[ID=K19]]

[0024] The present utility model will be described in detail below with reference to the drawings and in combination with embodiments. It should be noted that, without conflict, the embodiments in this application and the features in the embodiments can be combined with each other.

[0025] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "bottom", "top", etc. is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0026] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5The quick-release fixing device for the rack includes: a quick-release structure 1, which is detachably connected to the rear rack 3 of the bicycle, and the rear rack 3 includes a front baffle 8 and a rear baffle 7. The quick-release structure 1 includes a quick-release plate 6, and one end of the quick-release plate 6 is provided with a limiting portion I 26, and the other end is slidably connected to a movable block 5, and the movable block 5 includes a limiting portion II 28. The movable block 5 is elastically connected to the outside of the first elastic member 4, and the limiting portion I 26 of the quick-release plate 6 and the limiting portion II 28 of the movable block 5 are respectively engaged with the front baffle 8 and the rear baffle 7 of the rear rack 3.

[0027] A square groove I9 is formed on the inner side of the lower edge of the front baffle 8 of the rear shelf 3, and a trapezoidal groove 11 is formed on the upper edge of the front baffle 8, the position of which corresponds to the square groove I9. The notch of the trapezoidal groove 11 is smaller than the square groove I9. A square groove III 10 is formed on the inner and outer sides of the lower edge of the rear baffle 7. The front baffle 8 and the rear baffle 7 are chamfered on all sides.

[0028] The limiting portion Ⅰ26 of the quick-release plate 6 includes a tongue buckle Ⅰ23, and a reinforcing rib is provided inside the tongue buckle Ⅰ23. A limiting rib 24 is provided at the connection between the tongue buckle Ⅰ23 and the quick-release plate 6. The tongue buckle Ⅰ23 is abutted against the square groove Ⅰ9 of the front baffle 8, and the limiting rib 24 is abutted against the trapezoidal groove 11 of the front baffle 8, so that the tongue buckle Ⅰ23 plays a role of left and right limiting to prevent shaking.

[0029] The quick-release plate 6 is provided with a receiving groove 18 at one end corresponding to the movable block 5. The receiving groove 18 is T-shaped, and reinforcing ribs are provided on the bottom of the left and right sides of the receiving groove 18. Sliding blocks 15 are provided on the left and right sides of the top of the movable block 5. The shape of the sliding blocks 15 corresponds to the receiving groove 18. The sliding blocks 15 are plugged into the receiving groove 18 and slide in the receiving groove 18 to control the sliding direction of the movable block 5. The limiting part II28 is provided at the bottom of the movable block 5. The limiting part II28 includes a tongue buckle II13. The position of the tongue buckle II13 corresponds to the square groove III10 of the rear stop bar 7. The top of the tongue buckle II13 is horizontal and the bottom is inclined. Reinforcing ribs are provided on the inclined side of the bottom. The bottom of the limiting part II28 is provided with a square groove II14. One side of the square groove II14 is a stepped surface 27. The stepped surface 27 is a convex edge arranged on the inner side of the square groove II14, which is convenient for fingers to contact and apply force, making it convenient to grasp.

[0030] The tail of the quick release plate 6 is affixed with soft glue 17, which has the functions of shock absorption and fastening.

[0031] The quick-release plate 6 is provided with limiting feet 12 around it. The number and position of the limiting feet 12 can be set according to the structure of the rear shelf 3. After the quick-release plate 6 is placed in the rear shelf 3, the limiting feet 12 around it support the frame, front baffle 8 and rear baffle 7 of the rear shelf 3, and play a limiting role in the front, back, left and right. The limiting feet 12 can also be used as the bottom feet of the storage piece 2.

[0032] On both the left and right sides of the rear end of the accommodating groove 18 of the quick-release plate 6, limiting posts 19 are respectively fixed. The first elastic member 4 includes a rear cover plate 20. The left and right sides of the rear cover plate 20 are abutted against the inside of the limiting posts 19. The top of the rear cover plate 20 and the quick-release plate 6 can be fixed by bolts. Between the two sliding blocks 15 of the movable block 5, a baffle 25 is fixed. The rear cover plate 20 extends towards the baffle 25 to form a spring post 21. A spring 22 is inserted into the spring post 21. The other end of the spring 22 is abutted against the baffle 25. Reinforcing ribs are provided inside the rear cover plate 20 to prevent the rear cover plate 20 from deforming due to the elastic force of the spring 22.

[0033] A baffle 25 is provided between the sliding blocks 15. The limiting plates 16 are preferably two pieces, which are separated into three limiting spaces. The limiting plates 16 play a role in limiting the spring 22. The spring 22 is within the limiting space. During the process of the spring 22 being squeezed, due to the limiting effects of the limiting plates 16 and the spring post 21, the spring 22 can maintain a stable-direction acting force.

[0034] A placing object 2 is fixed on the quick-release plate 6, and it can be fixed by means such as bolts. The placing object 2 can be a placing basket, a child seat, a takeaway box, etc.

[0035] As Figure 3 shown, as the first embodiment of the present invention, the number of the spring posts 21 is two. The positions of the two spring posts 21 respectively correspond to the limiting spaces at the left and right ends of the top of the movable block 5, and its stability is relatively higher. The number of the soft rubbers 17 at the tail of the quick-release plate 6 is two, which are respectively attached to the left and right sides of the tail of the quick-release plate 6.

[0036] As shown in FIG. 4, it is the second embodiment of the present invention. Different from the first embodiment, the number of the spring posts 21 is one. The position of the spring post 21 corresponds to the limiting space in the middle of the top of the movable block 5, and its structure is relatively simpler, the disassembly and assembly are more convenient, and the cost is lower.

[0037] In some embodiments, other numbers of spring posts 21 can also be adopted to improve the stability.

[0038] As shown in FIG. 6, it is the third embodiment of the present invention. Different from the first embodiment, the number of the soft rubbers 17 at the tail of the quick-release plate 6 is one. The soft rubber 17 is strip-shaped and is closely attached to the tail of the quick-release plate 6.

[0039] The utility model relates to a shelf quick-release fixing device for using a storage part 2 and a quick-release plate 6 as a whole. Pick up the storage part 2, push the tongue buckle I 23 against the square groove I 9 of the front stop bar 8, and press the tongue buckle II 13 downward. The inclined portion of the tongue buckle II 13 contacts the chamfered corner at the upper edge of the rear stop bar 7 after the two contact each other under the action force, and the tongue buckle II 13 drives the movable block 5 to move under the action force, and the movable block 5 moves backward along the accommodating groove 18 and compresses the spring 22. After the side inclined surface of the rear end tongue buckle contacts the inclined surface at the upper edge of the rear stop bar 7, the movable block 5 moves forward under the thrust of the spring 22, and the tongue buckle II 13 buckles into the square groove III 10 of the rear stop bar 7 to complete the locking; at this time, the limiting feet 12 on all sides limit the position, and the limiting ribs 24 of the tongue buckle I 23 limit the left and right directions, and the tongue buckle I 23 and the tongue buckle II 13 limit the upward direction, so the action force is stable and the limiting effect is good;

[0040] When disassembly is required, grasp the square groove II 14 of the movable block 5 with your hand, grasp the movable block 5 toward the rear cover plate 20, and the movable block 5 pushes the spring 22, and the movable block 5 moves toward the rear cover plate 20. After the rear end tongue buckle moves out of the square groove III 10 of the rear baffle 7, lift the rear end of the storage part 2 upward, release the handle grip, and move the tongue buckle I 23 of the storage part 2 away from the groove of the front baffle 8 to complete the quick disassembly.

[0041] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A quick-release fixing device for a shelf, comprising: A quick-release structure, which is detachably connected to the rear rack of a bicycle, and the rear rack includes a front baffle and a rear baffle. It is characterized in that the quick-release structure includes a quick-release plate, one end of the quick-release plate is provided with a limiting portion I, and the other end is slidably connected to a movable block, the movable block includes a limiting portion II, and a first elastic member is elastically connected to the outside of the movable block. The limiting portion I of the quick-release plate and the limiting portion II of the movable block are respectively engaged with the front baffle and the rear baffle of the rear rack.

2. A quick-release fixing device for a shelf according to claim 1, characterized in that: A square groove I is opened on the inner side of the lower edge of the front baffle of the rear shelf, a trapezoidal groove corresponding to the position of the square groove I is opened on the upper edge of the front baffle, the notch of the trapezoidal groove is smaller than the square groove I, and a square groove III is opened on the lower edge of the rear baffle.

3. The quick-release fixing device for a shelf according to claim 2, characterized in that: The limiting part I of the quick release plate includes a tongue buckle I, and a limiting rib is provided at the connection between the tongue buckle I and the quick release plate. The tongue buckle I is abutted against the square groove I of the front baffle, and the limiting rib is abutted against the trapezoidal groove of the front baffle, so that the tongue buckle I plays a limiting role.

4. The quick-release fixing device for a shelf according to claim 3, characterized in that: The quick-release plate is provided with a receiving groove at one end corresponding to the movable block, and the receiving groove is T-shaped. Sliding blocks are provided on the left and right sides of the top of the movable block. The shape of the sliding block corresponds to the receiving groove. The sliding block is plugged into the receiving groove and slides in the receiving groove to control the sliding direction of the movable block. The limiting part II is provided at the bottom of the movable block. The limiting part II includes a tongue buckle II. The position of the tongue buckle II corresponds to the square groove III of the rear block. The bottom of the limiting part II is provided with a square groove II, and one side of the square groove II is a stepped surface for hand grasping.

5. A quick-release fixing device for a shelf according to claim 1, characterized in that: The tail of the quick release plate is affixed with soft glue.

6. A quick-release fixing device for a shelf according to claim 1, characterized in that: The lower side of the quick release plate is provided with a limiting foot. After the quick release plate is placed in the rear shelf, the limiting foot presses against the frame, front baffle and rear baffle of the rear shelf, playing a limiting role in the front, back, left and right directions.

7. A quick-disassembly fixing device for a shelf according to claim 4, characterized in that: Limiting columns are fixed on the left and right sides of the rear end of the accommodating groove of the quick-release plate respectively. The first elastic member includes a rear cover plate. The left and right sides of the rear cover plate are abutted against the inside of the limiting columns. The top of the rear cover plate is coupled to the quick-release plate. The two sliding blocks of the movable block are fixed by a baffle. The rear cover plate extends toward the baffle to form a spring column. The spring column is plugged with a spring, and the other end of the spring is abutted against the baffle.

8. A quick-release fixing device for a shelf according to claim 7, characterized in that: The sliding block is provided with two limiting plates, which play a limiting role on the spring.

9. The quick-release fixing device for a shelf according to claim 7, characterized in that: Reinforcing ribs are provided in the rear cover plate.

10. A quick-release fixing device for a shelf according to claim 1, characterized in that: The quick-release structure is bolted with a storage piece.

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