Luggage hinge structure

Abstract

The utility model discloses a luggage hinge structure, which relates to the technical field of luggage hinges and comprises a box body and a box cover, second chain sleeves are symmetrically and fixedly mounted on the front side of the box body, a first chain sleeve is fixedly mounted on the front side of the box cover, and the lower end of the first chain sleeve extends into the middle fracture of the second chain sleeve. And a nut is inserted into the inner side of one end of the second chain sleeve. By the adoption of the structure, the first chain sleeve is installed on the box cover, the second chain sleeve is installed on the box body, then the first chain sleeve is arranged at the notch in the middle of the second chain sleeve, after sleeve openings of the first chain sleeve and the second chain sleeve are aligned, one end of the chain shaft is inserted into and penetrates through the first chain sleeve through the limiting groove of the second chain sleeve, and then the first chain sleeve and the second chain sleeve are fixed. And then a screwdriver is inserted into a cross groove of the limiting head to rotate, so that the other end of the chain shaft and a nut inserted into the second chain sleeve are fixed in a threaded mode, installation can be completed, and therefore the chain shaft, the first chain sleeve and the second chain sleeve can be conveniently and rapidly assembled.

Description

Technical Field

[0001] The utility model belongs to the technical field of luggage hinges, and particularly relates to a luggage hinge structure. Background Art

[0002] In daily life, people will bring a suitcase when they travel long distances. The suitcase is a kind of luggage, which is mainly used to carry clothes, daily necessities and other items. These luggage provide great convenience for people's travel and are becoming more and more popular. Existing luggage usually includes a left and a right half box body, one side of the left and right half box body is pivoted, and the other three edges are connected by a zipper. When in use, the zipper is opened, and the left and right half box bodies are opened to store and access items. When not in use, the zipper is closed, and the zipper is used to control the closing and opening of the luggage.

[0003] A Chinese patent with publication number CN201738706U discloses a luggage hinge, which includes a box body pivot seat connected to a box body, a box cover pivot seat connected to a box cover, and a hinge shaft seat connecting the above two; it is characterized in that: the box body pivot seat, at its bottom end, is provided with a pivot surface vertically attached to the longitudinal side of the box body, and the pivot surface is provided with a positioning hole matching the positioning hole on the longitudinal side of the box body; the box cover pivot seat is provided with a seat surface that can be parallelly attached to the box cover surface, and the seat surface is provided with a positioning hole matching the positioning hole on the box cover surface; the hinge shaft seat is formed by two hinge seats that are relatively pivoted using the tube shaft portion and a spindle; the two hinge seats are respectively connected to the box body pivot seat and the box cover pivot seat.

[0004] The luggage hinge structure in the above-mentioned prior art still has certain shortcomings during actual use. For example, the two hinges of the hinge are relatively pivoted through the same spindle. As is known to all, in order to prevent the spindle from falling off the hinge shaft seat, limiting structures are generally made at both ends of the spindle to prevent the spindle from falling off the hinge shaft seat. The current method is either to weld two limiting blocks for limiting during the production process, or to use an open hinge shaft seat. After fixing the spindle on one of the hinge pieces, the two ends of the spindle are placed in the open hinge shaft seat of the other hinge piece, and finally a pliers is used to clamp the opening of the hinge shaft seat to prevent the spindle from falling off, which makes the assembly structure of the hinge inconvenient. Utility Model Content

[0005] In view of the problems mentioned in the background technology, the purpose of the present utility model is to provide a luggage hinge structure to solve the problems mentioned in the background technology.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] The hinge structure of a bag comprises a box body and a box cover, wherein a second chain sleeve is symmetrically fixedly installed on the front side of the box body, and a first chain sleeve is fixedly installed on the front side of the box cover, the lower end of the first chain sleeve extends into the middle fracture of the second chain sleeve, a nut is inserted into the inner side of one end of the second chain sleeve, and a chain shaft is inserted into the other end of the second chain sleeve. One end of the chain shaft passes through the second chain sleeve and the first chain sleeve, and a limiting groove is provided at one end of the second chain sleeve, and one end of the chain shaft is fixedly connected to a limiting head, and the limiting head is arranged on the inner side of the limiting groove, and a cross groove is provided at the end of the limiting head away from the chain shaft, and the end of the chain shaft away from the limiting head is threadedly connected with the nut, and an oil injection mechanism is provided on the upper end of the first chain sleeve, and when the sleeve openings of the first chain sleeve and the second chain sleeve are aligned, one end of the chain shaft is inserted into the limiting groove of the second chain sleeve and passes through the first chain sleeve, and then a screwdriver is inserted into the cross groove of the limiting head and rotated so that the other end of the chain shaft and the nut inserted on the second chain sleeve are threadedly fixed, so that the chain shaft can be conveniently installed;

[0008] The oil filling mechanism includes a cover groove, which is opened at the upper end of the first chain sleeve. The upper end of the cover groove is magnetically connected to a protective cover. An oil groove is opened on the inner side of the cover groove. An oil filling hole is opened on the inner side of the oil groove. The oil filling mechanism can facilitate oil filling between the first chain sleeve and the chain shaft.

[0009] As a preferred technical solution, the outer sides of the first chain sleeve and the second chain sleeve are fixedly connected with a fixing plate, and the inner side of the fixing plate is provided with a fixing hole. The fixing plate can be used to conveniently install the first chain sleeve and the second chain sleeve on the corresponding box cover and box body.

[0010] As a preferred technical solution, a slot is provided at one end of the second chain sleeve away from the limiting groove, and the nut is inserted into the inner side of the slot. The nut can be conveniently inserted and limited through the slot.

[0011] As an optimal technical solution, a clamping slot is opened on the inner side of the limit groove, and a retaining spring is movably installed on the inner side of the clamping slot. The retaining spring is arranged on one side of the limit head. Through the clamping slot, the retaining spring can be conveniently installed to limit the limit head at the limit groove.

[0012] As a preferred technical solution, a buckle groove is provided at the upper end of the protective cover, and two buckle grooves are symmetrically provided. The protective cover can be easily removed from the cover groove through the buckle groove.

[0013] As an optimal technical solution, a rubber column is fixedly connected to the lower end of the protective cover, a column groove is opened on the inner side of the cover groove, and the rubber column is inserted into the inner side of the column groove. Through the rubber column, the protective cover can be easily squeezed into the column groove for fixation.

[0014] In summary, the utility model mainly has the following beneficial effects:

[0015] First, install the first chain sleeve on the box cover, install the second chain sleeve on the box body, and then place the first chain sleeve in the notch in the middle of the second chain sleeve. When the sleeve openings of the first chain sleeve and the second chain sleeve are aligned, insert one end of the chain shaft through the limiting groove of the second chain sleeve and penetrate the first chain sleeve. Then use a screwdriver to insert it into the cross groove of the limiting head and rotate it so that the other end of the chain shaft is threadedly fixed with the nut inserted on the second chain sleeve to complete the installation, so that the chain shaft and the first chain sleeve and the second chain sleeve can be quickly assembled;

[0016] Second, after removing the protective cover on the first chain sleeve, add lubricating oil into the oil tank at the cover groove, and then open and close the box cover back and forth with a small amplitude, so that the first chain sleeve rotates on the chain shaft, and the lubricating oil enters the first chain sleeve through the oil filling hole in the oil tank for lubrication, thereby facilitating the oiling operation of the first chain sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is an exploded view of the utility model;

[0019] Figure 3 The utility model Figure 2 Enlarged view of point A in the middle;

[0020] Figure 4 The utility model Figure 2 Enlarged view of point B

[0021] Figure 5 It is a schematic diagram of the slot structure of the utility model.

[0022] Figure numerals: 1. box body; 2. box cover; 3. first chain sleeve; 4. second chain sleeve; 5. fixing hole; 6. fixing plate; 7. nut; 8. chain shaft; 9. limit head; 10. cross slot; 11. limit slot; 12. clamping slot; 13. retaining spring; 14. oil filling mechanism; 141. protective cover; 142. cover slot; 143. oil tank; 144. oil filling hole; 15. buckle slot; 16. rubber column; 17. slot; 18. column slot. DETAILED DESCRIPTION

[0023] refer to Figures 1 to 5The hinge structure of a bag described in this embodiment includes a box body 1 and a box cover 2. The second chain sleeve 4 is symmetrically fixedly installed on the front of the box body 1, and the first chain sleeve 3 is fixedly installed on the front of the box cover 2. The lower end of the first chain sleeve 3 extends into the middle fracture of the second chain sleeve 4. A nut 7 is inserted into the inner side of one end of the second chain sleeve 4, and a chain shaft 8 is inserted into the other end of the second chain sleeve 4. One end of the chain shaft 8 passes through the second chain sleeve 4 and the first chain sleeve 3. A limiting groove 11 is provided at one end of the second chain sleeve 4. One end of the chain shaft 8 is fixedly connected to a limiting head 9. The limiting head 9 is arranged on the inner side of the limiting groove 11. A cross groove 10 is provided at the end of the limiting head 9 away from the chain shaft 8. The chain shaft 8 is away from the limiting groove 11. One end of the head 9 is threadedly connected with the nut 7, and an oil injection mechanism 14 is provided at the upper end of the first chain sleeve 3. The first chain sleeve 3 is installed on the box cover 2, and the second chain sleeve 4 is installed on the box body 1. Then, the first chain sleeve 3 is placed in the notch in the middle of the second chain sleeve 4. After the sleeve openings of the first chain sleeve 3 and the second chain sleeve 4 are aligned, one end of the chain shaft 8 is inserted through the limiting groove 11 of the second chain sleeve 4 and penetrates the first chain sleeve 3. Then, a screwdriver is inserted into the cross groove 10 of the limiting head 9 and rotated so that the other end of the chain shaft 8 and the nut 7 inserted on the second chain sleeve 4 are threadedly fixed to complete the installation, thereby facilitating the quick assembly of the chain shaft 8 and the first chain sleeve 3 and the second chain sleeve 4.

[0024] The oil filling mechanism 14 includes a cover groove 142, which is provided at the upper end of the first chain sleeve 3. The upper end of the cover groove 142 is magnetically connected to a protective cover 141. An oil groove 143 is provided inside the cover groove 142. An oil filling hole 144 is provided inside the oil groove 143. After removing the protective cover 141 on the first chain sleeve 3, lubricating oil is added into the oil groove 143 at the cover groove 142, and then the box cover 2 is opened and closed back and forth with a small amplitude, so that the first chain sleeve 3 rotates on the chain shaft 8, and the lubricating oil passes through the oil groove 143. The oil filling hole 144 in 43 can enter the first chain sleeve 3 for lubrication, thereby facilitating the oil filling operation on the first chain sleeve 3; of course, if the oil seems to be slow to flow, the oil filling hole 144 can be directly injected with a syringe. This method requires a movable box cover 2, which can speed up the penetration of the lubricating oil. There is a certain micro gap between the first chain sleeve 3 and the chain shaft 8, so the lubricating oil can penetrate through the gap for lubrication; the overall structure of the protective cover 141 and the cover groove 142 are adapted to each other, and after installation and fixation, the appearance is exquisite.

[0025] refer to Figure 1 The outer sides of the first chain sleeve 3 and the second chain sleeve 4 are fixedly connected with a fixing plate 6, and a fixing hole 5 is opened on the inner side of the fixing plate 6. The fixing plate 6 with the fixing holes 5 on the outer sides of the first chain sleeve 3 and the second chain sleeve 4 can be conveniently connected and installed with the corresponding box cover 2 or box body 1.

[0026] refer to Figure 5A slot 17 is provided at one end of the second chain sleeve 4 away from the limiting groove 11, and the nut 7 is inserted into the inner side of the slot 17. The insertion sleeve on the second chain sleeve 4 can be used to conveniently limit the insertion of the nut 7. When installing the chain shaft 8, put your fingers on the nut 7, and then rotate it through the limiting head 9 at the other end of the chain shaft 8 to fix the installation.

[0027] refer to Figure 3 A slot 12 is provided on the inner side of the limit groove 11, and a retaining spring 13 is movably installed on the inner side of the slot 12. The retaining spring 13 is arranged on one side of the limit head 9. The retaining spring 13 is inserted into the slot 12 at the limit groove 11, and the retaining spring 13 can further limit the limit head 9 to ensure the stability of the installation of the chain shaft 8.

[0028] refer to Figure 4 A buckle slot 15 is provided at the upper end of the protective cover 141 , and two buckle slots 15 are symmetrically provided. The two buckle slots 15 on the protective cover 141 can be used to facilitate the opening and closing operation of the protective cover 141 .

[0029] refer to Figure 4 The lower end of the protective cover 141 is fixedly connected with a rubber column 16, and a column groove 18 is opened on the inner side of the cover groove 142. The rubber column 16 is inserted into the inner side of the column groove 18. By using the rubber column 16 at the lower end of the protective cover 141 and pressing the protective cover 141, the rubber column 16 at the lower end is squeezed into the column groove 18 of the cover groove 142, so that the protective cover 141 can be conveniently fixed at the cover groove 142.

[0030] Principle and advantages of use: During use, the fixing plate 6 with fixing holes 5 on the outside of the first chain sleeve 3 and the second chain sleeve 4 can be conveniently connected and installed with the corresponding box cover 2 or box body 1, and then the first chain sleeve 3 is installed on the box cover 2, and the second chain sleeve 4 is installed on the box body 1, and then the first chain sleeve 3 is placed in the notch in the middle of the second chain sleeve 4. After the sleeve openings of the first chain sleeve 3 and the second chain sleeve 4 are aligned, one end of the chain shaft 8 is inserted through the limiting groove 11 of the second chain sleeve 4 and penetrates the first chain sleeve 3, and then a screwdriver is inserted into the cross groove 10 of the limiting head 9 and rotated so that the other end of the chain shaft 8 is threadedly fixed with the nut 7 inserted on the second chain sleeve 4 to complete the installation;

[0031] When filling oil, the protective cover 141 on the first chain sleeve 3 is removed, and then the lubricating oil is added into the oil groove 143 at the cover groove 142, and then the box cover 2 is opened and closed back and forth with a small amplitude, so that the first chain sleeve 3 rotates on the chain shaft 8, and the lubricating oil enters the first chain sleeve 3 through the oil filling hole 144 in the oil groove 143 for lubrication.

Claims

1. A hinge structure for a bag, comprising a box body and a box cover, characterized in that: The second chain sleeve is symmetrically fixedly installed on the front side of the box body, and the first chain sleeve is fixedly installed on the front side of the box cover, the lower end of the first chain sleeve extends into the middle fracture of the second chain sleeve, a nut is inserted into the inner side of one end of the second chain sleeve, and a chain shaft is inserted into the other end of the second chain sleeve, one end of the chain shaft passes through the second chain sleeve and the first chain sleeve, a limiting groove is provided at one end of the second chain sleeve, one end of the chain shaft is fixedly connected to a limiting head, the limiting head is provided on the inner side of the limiting groove, a cross groove is provided at the end of the limiting head away from the chain shaft, the end of the chain shaft away from the limiting head is threadedly connected to the nut, and an oil injection mechanism is provided at the upper end of the first chain sleeve.

2. A luggage hinge structure according to claim 1, characterized in that: The outer sides of the first chain sleeve and the second chain sleeve are both fixedly connected with a fixing plate, and the inner sides of the fixing plates are provided with fixing holes.

3. The hinge structure for a bag according to claim 1, characterized in that: A slot is formed at one end of the second chain sleeve away from the limiting slot, and the nut is inserted into the inner side of the slot.

4. The hinge structure for a bag according to claim 1, characterized in that: A clamping groove is provided on the inner side of the limiting groove, and a clamping spring is movably installed on the inner side of the clamping groove, and the clamping spring is arranged on one side of the limiting head.

5. The hinge structure for a bag according to claim 1, characterized in that: The oil filling mechanism comprises a cover groove, which is arranged at the upper end of the first chain sleeve, the upper end of the cover groove is magnetically connected with a protective cover, an oil groove is arranged inside the cover groove, and an oil filling hole is arranged inside the oil groove.

6. The hinge structure for a bag according to claim 5, characterized in that: A buckle groove is formed at the upper end of the protective cover, and two buckle grooves are symmetrically provided.

7. The hinge structure for a bag according to claim 5, characterized in that: The lower end of the protection cover is fixedly connected with a rubber column, the inner side of the cover groove is provided with a column groove, and the rubber column is inserted into the inner side of the column groove.

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