CN215776096U - Novel pivot structure that draw-bar box was used - Google Patents
Novel pivot structure that draw-bar box was used Download PDFInfo
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- CN215776096U CN215776096U CN202121422321.2U CN202121422321U CN215776096U CN 215776096 U CN215776096 U CN 215776096U CN 202121422321 U CN202121422321 U CN 202121422321U CN 215776096 U CN215776096 U CN 215776096U
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Abstract
The utility model discloses a novel rotating shaft structure for a draw-bar box, which comprises a first connecting piece, a first side connecting piece, a second connecting piece and a first mounting hole, wherein the first mounting hole is formed in one side of the surface of the first connecting piece, the first side connecting piece is arranged on each of two sides of the first connecting piece, the first side connecting piece is rotatably connected with the first connecting piece through a first connecting bolt, the second connecting piece is arranged on one side of the first connecting piece, the second mounting hole is formed in each of the surfaces of the second connecting pieces, the second side connecting piece is arranged on one side of the second connecting piece close to the first connecting piece, and the second side connecting piece is rotatably connected with the second connecting piece through a second connecting bolt. The utility model is more convenient to assemble, the parts in the structure can be replaced at will, the use cost is saved, the stability of the rotating shaft structure is improved, and the utility model has the characteristics of high hardness, wear resistance and corrosion resistance and prolongs the service life.
Description
Technical Field
The utility model relates to the technical field of draw-bar boxes, in particular to a novel rotating shaft structure for a draw-bar box.
Background
The draw-bar box is a luggage case with a draw bar and rollers, which is widely used due to the convenient use, and meanwhile, the draw-bar box is also provided with a draw bar due to the box, the draw bar is divided into a single-tube draw bar and a double-tube draw bar, the tube of the draw bar is divided into a square tube and a round tube, so that the luggage case is convenient to drag when walking, the burden is greatly reduced, and the rotating shaft of the draw-bar box is one of the main parts of the draw-bar box.
The spindle structure in the market is various, can basically meet the use requirements of people, but still has certain disadvantages, and the existing spindle structure is generally formed by an integrated structure, is not convenient enough during assembly, and needs to be replaced when local parts are damaged, so that the cost is high, and the improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel rotating shaft structure for a draw-bar box, which aims to solve the problem that the whole rotating shaft structure needs to be replaced when partial parts of the rotating shaft structure are damaged, and the cost is high in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a novel rotating shaft structure for a draw-bar box comprises a first connecting piece, a first side connecting piece, a second connecting piece and a first mounting hole, one side of the surface of the first connecting piece is provided with a first mounting hole which is of a symmetrical structure, and both sides of the first connecting piece are provided with first side connecting pieces, the first side connecting piece is rotationally connected with the first connecting piece through a first connecting bolt, one side of the bottom end of the first connecting piece is provided with a strip-shaped clamping groove, and a cross shaft is fixed at one end of the first connecting piece, a second connecting piece is arranged at one side of the first connecting piece, and the surface of the second connecting piece is provided with second mounting holes, one side of the second connecting piece close to the first connecting piece is provided with second side connecting pieces, and the second side connecting pieces are rotatably connected with the second connecting piece through second connecting bolts.
Preferably, the center position department on first connecting piece surface is provided with the left label fretwork, is convenient for discern the mounted position of this pivot structure.
Preferably, the first connecting piece is internally provided with a reinforcing cavity, and hard alloy is fixed in the reinforcing cavity, so that the first connecting piece has a series of excellent performances such as high hardness, wear resistance, good strength and toughness, heat resistance and corrosion resistance.
Preferably, be provided with the chromium carbide layer on the surface of first connecting piece, just the chromium carbide layer is provided with anti rust coating on the surface for first connecting piece is more corrosion-resistant, is difficult for rustting.
Preferably, the junction of first side connection piece and second side connection piece is provided with main pivot, and first side connection piece rotates through main pivot and second side connection piece to be connected, just the one end of main pivot runs through second side connection piece and first side connection piece in proper order and the cover is equipped with lock nut, lock nut and main pivot threaded connection for the rotation of first connecting piece and second connecting piece is connected the work.
Preferably, both ends of the second connecting piece are provided with positioning pieces, and the surfaces of the positioning pieces are provided with positioning holes, so that the second connecting piece is conveniently fixed for the second time, and the second connecting piece is more firmly installed.
Compared with the prior art, the utility model has the beneficial effects that: the rotating shaft structure for the novel draw-bar box is more convenient to assemble, parts in the structure can be replaced at will, the use cost is saved, the stability of the rotating shaft structure is improved, and the rotating shaft structure has the characteristics of high hardness, wear resistance and corrosion resistance, and the service life is prolonged;
(1) the rotary shaft structure is formed by combining the first connecting piece, the first side connecting piece, the second side connecting piece and the second connecting piece, the design is more convenient and fast in assembly, and when a part is damaged, the damaged part can be detached and replaced by the first connecting piece, the second connecting piece, the main rotary shaft and the locking nut, parts in the structure can be replaced at will, and the use cost is saved;
(2) the installation position of the rotating shaft structure can be distinguished through the left mark hollow, the first connecting piece can be fixed through the first installation hole, the bar-shaped clamping groove plays a role in positioning the first connecting piece through the arrangement of the positioning piece and the positioning hole, the second connecting piece can be fixed for the first time through the second installation hole, and the second connecting piece is fixed for the second time through the positioning hole in the surface of the positioning piece, so that the second connecting piece is more firmly installed, and the stability of the rotating shaft structure is improved;
(3) through being provided with the enhancement cavity, carbide, chromium carbide layer and anti rust coating, it has hardness height to strengthen the inside carbide of cavity, it is wear-resisting, intensity and toughness are better, it is heat-resisting, a series of good properties such as corrosion-resistant, chromium carbide layer's setting makes first connecting piece and second connecting piece more wear-resisting, anti rust coating's setting makes first connecting piece and second connecting piece be difficult for rustting, thereby make the pivot structure have high hardness, wear-resisting, corrosion-resistant characteristics, and service life is prolonged.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic side view of the present invention;
fig. 4 is a partial sectional structural view of the present invention.
In the figure: 1. a first connecting member; 2. a first side connecting sheet; 3. a first connecting bolt; 4. a horizontal axis; 5. a second side connecting sheet; 6. a second connecting bolt; 7. a second connecting member; 8. a second mounting hole; 9. positioning plates; 10. positioning holes; 11. a main rotating shaft; 12. locking the nut; 13. a first mounting hole; 14. the left mark is hollowed out; 15. a strip-shaped clamping groove; 16. a reinforced cavity; 17. hard alloy; 18. a chromium carbide layer; 19. and (4) antirust coating.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention is shown: a novel rotating shaft structure for a draw-bar box comprises a first connecting piece 1, a first side connecting piece 2, a second side connecting piece 5, a second connecting piece 7 and first mounting holes 13, wherein the first mounting holes 13 are formed in one side of the surface of the first connecting piece 1, and the first mounting holes 13 are of a symmetrical structure;
the two sides of the first connecting piece 1 are both provided with first side connecting pieces 2, and the first side connecting pieces 2 are rotatably connected with the first connecting piece 1 through first connecting bolts 3;
a left mark hollow 14 is arranged at the center of the surface of the first connecting piece 1, so that the installation position of the rotating shaft structure can be conveniently distinguished;
a chromium carbide layer 18 is arranged on the outer surface of the first connecting piece 1, and an antirust coating 19 is arranged on the surface of the chromium carbide layer 18, so that the first connecting piece 1 is more corrosion-resistant and is not easy to rust;
a reinforced cavity 16 is arranged in the first connecting piece 1, and hard alloy 17 is fixed in the reinforced cavity 16, so that the first connecting piece 1 has a series of excellent performances such as high hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance and the like;
a main rotating shaft 11 is arranged at the joint of the first side connecting piece 2 and the second side connecting piece 5, and the first side connecting piece 2 is rotatably connected with the second side connecting piece 5 through the main rotating shaft 11;
one end of the main rotating shaft 11 sequentially penetrates through the second side connecting piece 5 and the first side connecting piece 2 and is sleeved with a locking nut 12, and the locking nut 12 is in threaded connection with the main rotating shaft 11 and is used for rotationally connecting the first connecting piece 1 and the second connecting piece 7;
a strip-shaped clamping groove 15 is formed in one side of the bottom end of the first connecting piece 1, and a transverse shaft 4 is fixed at one end of the first connecting piece 1;
a second connecting piece 7 is arranged on one side of the first connecting piece 1, and second mounting holes 8 are formed in the surfaces of the second connecting pieces 7;
one side of the second connecting piece 7 close to the first connecting piece 1 is provided with a second side connecting piece 5, and the second side connecting piece 5 is rotatably connected with the second connecting piece 7 through a second connecting bolt 6;
the two ends of the second connecting piece 7 are provided with positioning pieces 9, the positioning pieces 9 and the second connecting piece 7 are integrally formed, and the surfaces of the positioning pieces 9 are provided with positioning holes 10, so that the second connecting piece 7 is conveniently fixed for the second time, and the installation of the second connecting piece 7 is firmer.
When the embodiment of the application is used: firstly, a first connecting piece 2 is arranged at two sides of a first connecting piece 1 by using a first connecting bolt 3, so that the first connecting piece 1 is rotationally connected with the first connecting piece 2, a second connecting piece 5 is arranged on the surface of a second connecting piece 7 by using a second connecting bolt 6, so that the second connecting piece 7 is rotationally connected with the second connecting piece 5, secondly, the reserved holes at one ends of the second connecting piece 5 and the first connecting piece 2 are aligned, a main rotating shaft 11 passes through the reserved holes, then a locking nut 12 is sleeved at one end of the main rotating shaft 11 and screwed, the second connecting piece 5 and the first connecting piece 2 are connected, so that the first connecting piece 1 and the second connecting piece 7 are assembled into a whole, the rotating shaft structure is formed by combining the first connecting piece 1, the first connecting piece 2, the second connecting piece 5 and the second connecting piece 7, the design is not only more convenient and fast in assembly, when partial parts are damaged, the damaged parts can be detached and replaced by using the first connecting bolt 3, the second connecting bolt 6, the main rotating shaft 11 and the locking nut 12, parts in the structure can be replaced at will, the use cost is saved, then, because the surface of the first connecting piece 1 is provided with the left mark hollow 14, the left mark hollow 14 is in a hollow shape, the mounting position of the rotating shaft structure can be distinguished through the left mark hollow 14, meanwhile, the first connecting piece 1 can be fixed through the first mounting hole 13, the bar-shaped clamping groove 15 plays a role in positioning the first connecting piece 1, the second connecting piece 7 can be fixed through the second mounting hole 8 for one time, the second connecting piece 7 can be fixed through the positioning hole 10 on the surface of the positioning piece 9 for the second time, so that the second connecting piece 7 is mounted more firmly, the stability of the rotating shaft structure is improved, and finally, because the inside of first connecting piece 1 and second connecting piece 7 all is provided with strengthens cavity 16, it is high to strengthen the inside carbide 17 of cavity 16 and have hardness, it is wear-resisting, intensity and toughness are better, it is heat-resisting, a series of good properties such as corrosion-resistant, the setting up of chromium carbide layer 18 makes first connecting piece 1 and second connecting piece 7 more wear-resisting, the setting up of anti-rust coating 19 makes first connecting piece 1 and second connecting piece 7 be difficult for rustting, thereby make the pivot structure have high hardness, it is wear-resisting, corrosion-resistant characteristics, the service life is prolonged, the work of the pivot structure that the novel draw-bar box was used is accomplished.
Claims (6)
1. A novel rotating shaft structure for a draw-bar box is characterized by comprising a first connecting piece (1), a first side connecting piece (2), a second side connecting piece (5), a second connecting piece (7) and first mounting holes (13), wherein one side of the surface of the first connecting piece (1) is provided with the first mounting holes (13), the first mounting holes (13) are of a symmetrical structure, the two sides of the first connecting piece (1) are provided with the first side connecting pieces (2), the first side connecting pieces (2) are rotatably connected with the first connecting piece (1) through first connecting bolts (3), one side of the bottom end of the first connecting piece (1) is provided with strip-shaped clamping grooves (15), one end of the first connecting piece (1) is fixed with a transverse shaft (4), one side of the first connecting piece (1) is provided with the second connecting piece (7), and the surface of the second connecting piece (7) is provided with the second mounting holes (8), one side of the second connecting piece (7) close to the first connecting piece (1) is provided with a second side connecting piece (5), and the second side connecting piece (5) is rotatably connected with the second connecting piece (7) through a second connecting bolt (6).
2. The novel rotating shaft structure for the draw-bar box according to claim 1, characterized in that: the center position department on first connecting piece (1) surface is provided with left mark fretwork (14).
3. The novel rotating shaft structure for the draw-bar box according to claim 1, characterized in that: a reinforcing cavity (16) is arranged inside the first connecting piece (1), and hard alloy (17) is fixed inside the reinforcing cavity (16).
4. The novel rotating shaft structure for the draw-bar box according to claim 1, characterized in that: the outer surface of the first connecting piece (1) is provided with a chromium carbide layer (18), and the surface of the chromium carbide layer (18) is provided with an antirust coating (19).
5. The novel rotating shaft structure for the draw-bar box according to claim 1, characterized in that: the connecting part of the first side connecting piece (2) and the second side connecting piece (5) is provided with a main rotating shaft (11), the first side connecting piece (2) is rotatably connected with the second side connecting piece (5) through the main rotating shaft (11), one end of the main rotating shaft (11) sequentially penetrates through the second side connecting piece (5) and the first side connecting piece (2) and is sleeved with a locking nut (12), and the locking nut (12) is in threaded connection with the main rotating shaft (11).
6. The novel rotating shaft structure for the draw-bar box according to claim 1, characterized in that: and positioning pieces (9) are arranged at two ends of the second connecting piece (7), and positioning holes (10) are arranged on the surfaces of the positioning pieces (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121422321.2U CN215776096U (en) | 2021-06-24 | 2021-06-24 | Novel pivot structure that draw-bar box was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121422321.2U CN215776096U (en) | 2021-06-24 | 2021-06-24 | Novel pivot structure that draw-bar box was used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215776096U true CN215776096U (en) | 2022-02-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121422321.2U Active CN215776096U (en) | 2021-06-24 | 2021-06-24 | Novel pivot structure that draw-bar box was used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215776096U (en) |
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2021
- 2021-06-24 CN CN202121422321.2U patent/CN215776096U/en active Active
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