CN205745104U - A kind of coupling hook - Google Patents
A kind of coupling hook Download PDFInfo
- Publication number
- CN205745104U CN205745104U CN201620648530.1U CN201620648530U CN205745104U CN 205745104 U CN205745104 U CN 205745104U CN 201620648530 U CN201620648530 U CN 201620648530U CN 205745104 U CN205745104 U CN 205745104U
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- China
- Prior art keywords
- annular
- ring
- coupling
- connecting rod
- shaped
- Prior art date
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- 230000008878 coupling Effects 0.000 title claims abstract description 31
- 238000010168 coupling process Methods 0.000 title claims abstract description 31
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 31
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims abstract description 5
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 4
- 238000005524 ceramic coating Methods 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 8
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims 1
- 238000007751 thermal spraying Methods 0.000 claims 1
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 2
- 239000000919 ceramic Substances 0.000 abstract 6
- 239000011159 matrix material Substances 0.000 abstract 5
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 239000010410 layer Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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- Adornments (AREA)
Abstract
The utility model proposes a kind of coupling hook, described coupling hook includes two relatively turnable first annular parts and the second annular element, described first annular part and the second annular element all include a matrix, the outer surface of described matrix is coated with one layer of abrasion-proof ceramic coat, the outline full-size of described first annular part and the second annular element is 15mm～80mm, and the thickness of described abrasion-proof ceramic coat is 0.1 μm～1mm；Described matrix can be by metal or nonmetal make, and described abrasion-proof ceramic coat can be made up by plasma thermal sprayed technique of zirconia ceramics material.Coupling hook of the present utility model, by at outer surface of matrix one layer of 0.1 μm of spraying～the abrasion-proof ceramic coat of 1mm, avoid the exposed oxidation of matrix dimmed, the abrasion-proof ceramic coat hardness on top layer is high simultaneously, it is difficult in use produce cut, improve wearability and the appearance tactile impression of coupling hook, improve product specification, beneficially the lifting of added value of product.
Description
Technical Field
The utility model relates to a be used for connecting the connection fittings of chain, rigging, zip fastener, package utensil, key ring etc. especially relate to a couple.
Background
Chains, rigging, zippers, bags, key fobs, and the like are generally provided with a ring-shaped connecting member. Some connecting hooks which need to bear tension are usually made of metal copper or stainless steel, and the connecting hooks on high-grade jewelry and bags are sometimes made of precious metals such as gold, silver and the like. Purely decorative, unstressed connecting hooks are sometimes also made of plastic. The existing connecting hooks are common in material and insufficient in surface abrasion resistance, scratches are easily generated in the using process, and metal materials are also easily oxidized and darkened, so that the grade of a product is reduced, and the improvement of the added value of the product is not facilitated.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a couple is connected to reduce or avoid the aforementioned problem.
In order to solve the technical problem, the utility model provides a connecting hook, connecting hook includes two first loop forming element and second loop forming element that can rotate relatively, first loop forming element and second loop forming element all include a base member, the surface spraying of base member has a layer of wear-resisting ceramic coating, the outline maximum size of first loop forming element and second loop forming element is 15mm ~ 80mm, the thickness of wear-resisting ceramic coating is 0.1 mu m ~ 1 mm; the substrate may be made of metal or nonmetal, and the wear-resistant ceramic coating may be made of zirconia ceramic material by a plasma thermal spray process.
Preferably, the outer contour of each of the first ring member and the second ring member may be D-shaped, circular, or elliptical.
Preferably, the cross section of the annular parts of the first annular member and the second annular member can be D-shaped, circular or elliptical.
Preferably, the maximum size of the outer contour of the cross section of the annular parts of the first annular member and the second annular member is 1 mm-35 mm.
Preferably, the first and second ring members are each rotatably connected to a first connecting rod.
Preferably, the first ring member and the second ring member are respectively provided with a connecting hole, and the first connecting rod is arranged between the connecting holes in a penetrating manner; the two ends of the first connecting rod respectively extend into the annular interiors of the first annular piece and the second annular piece, and the first annular piece and the second annular piece are clamped on the first connecting rod through clamping heads at the two ends of the first connecting rod.
Preferably, the first ring-shaped member is fixedly provided with a second connecting rod, the second ring-shaped member is provided with a connecting hole, a free end of the second connecting rod extends into the annular interior of the second ring-shaped member, and the second ring-shaped member is clamped on the second connecting rod through a clamping head at the free end of the second connecting rod.
Preferably, one of the first and second ring members is a closed ring member and the other has a closable opening.
The utility model discloses a couple through the wear-resisting ceramic coating at base member surface spraying one deck 0.1 mu m ~ 1mm, has avoided the exposed oxidation of base member to be dark, and the wear-resisting ceramic coating hardness on top layer is high simultaneously, is difficult for producing the mar in the use, has improved couple's wearability and outward appearance feel, has improved the product grade, is favorable to the promotion of added value.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein,
fig. 1a is a schematic structural view of a coupling hook according to an embodiment of the present invention;
FIG. 1b shows a schematic cross-sectional view of the coupling hook of FIG. 1 a;
FIG. 2a is an enlarged cross-sectional view of the attachment hook of FIG. 1, according to one embodiment of the present invention;
FIG. 2b is an enlarged cross-sectional view of the attachment hook of FIG. 1, taken along line E-E, according to another embodiment of the present invention;
FIG. 2c is an enlarged cross-sectional view of the attachment hook of FIG. 1, as taken along line E-E, according to yet another embodiment of the present invention;
fig. 3 is a schematic view showing a structure of a coupling hook according to still another embodiment of the present invention;
fig. 4 is a schematic structural diagram of a coupling hook according to another embodiment of the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings. Wherein like parts are given like reference numerals.
As shown in fig. 1a-1b, wherein fig. 1a is a schematic structural diagram of a connection hook according to an embodiment of the present invention; fig. 1b shows a schematic cross-sectional view of the coupling hook shown in fig. 1 a. The connecting hook 1 is a connecting fitting for connecting chains, rigging, zippers, jewelry, bags, key rings and the like, the connecting hook 1 comprises a first ring element 10 and a second ring element 20 which can rotate relatively, and the first ring element 10 and the second ring element 20 are respectively rotatably connected to a first connecting rod 30. In one embodiment, the first ring member 10 and the second ring member 20 each have a connection hole, and the first connection rod 30 is inserted between the connection holes; both ends of the first connecting rod 30 respectively extend into the annular interiors of the first annular member 10 and the second annular member 20, and the first annular member 10 and the second annular member 20 are clamped on the first connecting rod 30 by the chucks 31 at both ends of the first connecting rod 30. The first connecting rod 30 shown in the figure may be a bolt, and the two end chucks 31 are corresponding to the nut and nut structure of the bolt. Of course, it will be understood by those skilled in the art that the first connecting rod 30 may also be a bolt-like structure, with the chucks 31 at both ends being welded to both ends of the first connecting rod 30 after assembly.
Different from the common connecting hook, the surface layer structure of the connecting hook of the present invention is different, as shown in fig. 2a to 2c, wherein fig. 2a is an enlarged schematic view of the E-E cross section of the connecting hook shown in fig. 1 according to one embodiment of the present invention; FIG. 2b is an enlarged cross-sectional view of the attachment hook of FIG. 1, taken along line E-E, according to another embodiment of the present invention; fig. 2c is an enlarged cross-sectional view of the coupling hook shown in fig. 1 according to another embodiment of the present invention. As seen from the cross-sectional schematic view, each of the first annular member 10 and the second annular member 20 comprises a substrate 100, a wear-resistant ceramic coating 200 is sprayed on the outer surface of the substrate 100, the maximum size of the outer contour of the connecting hook is 15 mm-80 mm, and the thickness of the wear-resistant ceramic coating 200 is 0.1 μm-1 mm. Of course, the embodiment shown in fig. 1a also includes a first connecting rod 30, which may be constructed using the same substrate 100 and sprayed wear-resistant ceramic coating 200.
The utility model discloses an above-mentioned size and the thickness parameter of couple can obtain the optimal coating adhesion effect at the above-mentioned size range of this product, can make the coating fully cover the base member and avoid the oxidation, and certain coating thickness and size of a dimension phase-match both can obtain excellent wear-resisting effect and outward appearance feel simultaneously, can also obtain more excellent matching effect on product cost. Ordinary couple does not have the wear-resistant coating of this kind of thickness scope to be applied to the base member of equidimension on, ordinary coating does not have wear-resisting effect, and base member and the equal easy fish tail of coating, and does not have size and coating thickness of optimizing, and the poor wear-resisting effect of feel is not good, and the cost also does not have special optimization, with the utility model discloses a product is compared and is not possessed substantive characteristics and progress.
In one embodiment, the substrate 100 may be made of metal or nonmetal, for example, the substrate 100 may be made of precious metal such as gold and silver, or ordinary copper, or may be made of stainless steel, or the substrate 100 may be made of plastic. The wear-resistant ceramic coating 200 may be made of a zirconia ceramic material by a plasma thermal spray process.
The outer contours of the first ring 10 and the second ring 20 of the connecting shackle 1 shown in fig. 1a are generally D-shaped, and in other embodiments, the outer contours of the first ring 10 and the second ring 20 of the connecting shackle 1 may also be generally circular or elliptical (the first ring 10 is generally deformed and elliptical in fig. 3, and the second ring 20 is generally D-shaped).
The cross-section of each annular portion (the annular portions of the first ring member 10 and the second ring member 20) of the coupling hanger 1 shown in fig. 2a to 2c may be circular or elliptical or D-shaped as a whole. And, in another embodiment, the maximum size of the outer contour of the cross section of each ring portion (the ring portions of the first ring member 10 and the second ring member 20) of the coupling hanger 1 is 1mm to 35 mm. It should be noted that the wear-resistant ceramic coating 200 is not shown in the cross-sectional view of fig. 1b (and fig. 3) because of the small coating thickness shown in fig. 2 a-2 c, but in practice the wear-resistant ceramic coating 200 is present and cannot be shown to scale.
Fig. 3 is a schematic structural view showing a coupling hook according to still another embodiment of the present invention, in which a second connecting rod 40 is fixedly disposed on the first ring member 10, the second ring member 20 has a connecting hole, a free end of the second connecting rod 40 extends into the annular interior of the second ring member 20, and the second ring member 20 is clamped on the second connecting rod 40 by a clamping head 31 at the free end of the second connecting rod 40. It can also be seen that the second annular member 20 is a closed annular member, and the first annular member 10 has a closable opening 50, and the opening 50 can be normally closed by an elastic member 51, and can be opened only by being pressed by external force when other components need to be connected.
Of course, it will be understood by those skilled in the art that the first ring member 10 and the second ring member 20 may be one of them as a closed ring member, and the other one has a closable opening 50, as shown in fig. 4, which shows a schematic structure of a coupling hook according to still another embodiment of the present invention, and the elastic member 51 and related structures for closing the opening 50 are not shown in fig. 4 for clarity. The first ring member 10 and the second ring member 20 are not fixed as shown in fig. 3, but may be named as shown in fig. 4, so that the second connecting rod 40 may be located on the second ring member or the first ring member.
The utility model discloses a couple through the wear-resisting ceramic coating at base member surface spraying one deck 0.1 mu m ~ 1mm, has avoided the exposed oxidation of base member to be dark, and the wear-resisting ceramic coating hardness on top layer is high simultaneously, is difficult for producing the mar in the use, has improved couple's wearability and outward appearance feel, has improved the product grade, is favorable to the promotion of added value.
It is to be understood by those skilled in the art that while the present invention has been described in terms of several embodiments, it is not intended that each embodiment cover a separate embodiment. The description is given for clearness of understanding only, and it is to be understood that all matters in the embodiments are to be interpreted as including all technical equivalents which are encompassed by the claims.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes, modifications and combinations that may be made by those skilled in the art without departing from the spirit and principles of the invention should be considered within the scope of the invention.
Claims (10)
1. A connecting hook is characterized in that the connecting hook (1) comprises a first ring-shaped member (10) and a second ring-shaped member (20) which can rotate relatively, the first ring-shaped member (10) and the second ring-shaped member (20) both comprise a base body (100), a wear-resistant ceramic coating (200) is sprayed on the outer surface of the base body (100), the maximum size of the outer contours of the first ring-shaped member (10) and the second ring-shaped member (20) is 15 mm-80 mm, and the thickness of the wear-resistant ceramic coating (200) is 0.1 mu m-1 mm; the substrate (100) is made of metal or nonmetal, and the wear-resistant ceramic coating (200) is made of zirconia ceramic material through a plasma thermal spraying process.
2. A coupling hanger as claimed in claim 1, characterised in that the outer contour of said first annular element (10) is D-shaped, circular or oval.
3. A coupling hanger as claimed in claim 1, characterised in that the outer contour of said second annular element (20) is D-shaped, circular or oval.
4. A coupling hanger as claimed in any one of claims 1 to 3, characterised in that the cross-section of the annular portions of said first (10) and second (20) annular members is circular, oval or D-shaped.
5. A coupling hanger as claimed in claim 4, characterised in that the maximum dimension of the external profile of the cross-section of the annular portions of the first (10) and second (20) annular members is between 1mm and 35 mm.
6. A coupling hanger according to any one of claims 1 to 3 and 5 wherein said first and second ring members (10, 20) are each pivotally connected to a first connecting rod (30).
7. The coupling hanger as claimed in claim 6, wherein the first ring member (10) and the second ring member (20) each have a coupling hole between which the first coupling rod (30) is inserted; two ends of the first connecting rod (30) respectively extend into the annular interiors of the first annular piece (10) and the second annular piece (20), and the first annular piece (10) and the second annular piece (20) are clamped on the first connecting rod (30) through clamping heads (31) at the two ends of the first connecting rod (30).
8. A coupling hook according to claim 7, characterised in that one of said first (10) and second (20) annular elements is a closed annular element, the other having a closable opening (50).
9. A coupling hanger as claimed in any one of claims 1 to 3 and 5, wherein a second coupling bar (40) is fixedly provided on said first ring member (10), said second ring member (20) having a coupling hole therein, a free end of said second coupling bar (40) extending into the interior of the annulus of said second ring member (20), and said second ring member (20) being retained on said second coupling bar (40) by a retaining clip (31) at the free end of said second coupling bar (40).
10. A coupling hook according to claim 9, characterised in that one of said first (10) and second (20) annular elements is a closed annular element, the other having a closable opening (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620648530.1U CN205745104U (en) | 2016-06-27 | 2016-06-27 | A kind of coupling hook |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620648530.1U CN205745104U (en) | 2016-06-27 | 2016-06-27 | A kind of coupling hook |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205745104U true CN205745104U (en) | 2016-11-30 |
Family
ID=57382512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620648530.1U Active CN205745104U (en) | 2016-06-27 | 2016-06-27 | A kind of coupling hook |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205745104U (en) |
-
2016
- 2016-06-27 CN CN201620648530.1U patent/CN205745104U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |