CN203940216U - Snap hook coupler body forging - Google Patents
Snap hook coupler body forging Download PDFInfo
- Publication number
- CN203940216U CN203940216U CN201420385428.8U CN201420385428U CN203940216U CN 203940216 U CN203940216 U CN 203940216U CN 201420385428 U CN201420385428 U CN 201420385428U CN 203940216 U CN203940216 U CN 203940216U
- Authority
- CN
- China
- Prior art keywords
- straight
- coupler body
- tip
- arm
- latch fitting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of snap hook coupler body forging, it is characterized in that: comprise straight-arm portion and crotch portion, straight-arm portion one end is connected with crotch portion one, the other end is provided with that position, hole is got in rope hole and latch fitting is got position, hole; Straight-arm is provided with the first pit bit coordinating with safety piece and latch fitting and the second pit bit coordinating with safety rope; The outer side of straight-arm is provided with the raceway groove coordinating with safety piece, and raceway groove is communicated with the second pit bit; Crotch portion comprises tip and turn of bilge, and the end of tip adopts cambered surface setting, and the outer side of turn of bilge and tip is cambered surface setting, and inner side edge is inclined to one side plane layout.The utlity model has rational in infrastructure, facilitate manufacturing, use the advantages such as reliable.
Description
Technical field
The utility model belongs to safety protective tools field, and it relates to a kind of snap hook coupler body forging.
Background technique
Snap hook has many different patterns, also has different separately purposes, wherein just comprises and in the fields such as building site, high-lift operation, outdoor exercises, all have application, and these fields has excessive risk by anti-falling overhead.Existing snap hook has a coupler body, and it is U-shaped that coupler body bending is substantially, and one end is connected with latch fitting and safety piece by bearing pin, and be also provided with rope hole at this end, one end in contact of the other end of coupler body and latch fitting, forms a sealing ring, only after pulling latch fitting, just can make to seal ring and open.When snap hook uses, restrict on hole and fasten safety rope, safety rope is not directly to be located on rope hole conventionally, but is fixed on coupler body by an installation sheet, afterwards load is placed in seal ring.Coupler body has vital effect for snap hook, does not in use allow to occur use problem, and a domestic scenic spot just once occurred that therefore, this needed coupler body to have good reliability because coupler body fracture causes user of service from the situation of falling from high altitude.
Model utility content
The utility model, in order to address the above problem, provides a kind of snap hook coupler body forging, have rational in infrastructure, facilitate manufacturing, use the advantages such as reliable.
For achieving the above object, the utility model provides following technological scheme: a kind of snap hook coupler body forging, comprise straight-arm portion and crotch portion, described straight-arm portion one end is connected with crotch portion one, the other end is provided with rope hole and gets position, hole and latch fitting is got position, hole, and described straight-arm is provided with the first pit bit coordinating with safety piece and latch fitting and the second pit bit coordinating with safety rope; The outer side of described straight-arm is provided with the raceway groove coordinating with safety piece; Described crotch portion comprises tip and turn of bilge, and the end of described tip adopts cambered surface setting, described turn of bilge and described tip outer side be cambered surface setting, inner side edge is inclined to one side plane layout.
By adopting technique scheme, safety hook coupler body forging adopts integral type to be swaged into, its structure arranges completely and safety piece, the accessories such as latch fitting are adaptive, the one-step optimization of going forward side by side, in manufacturing process, do not need extra process, only need to just can realize by cast, in addition, owing to being that one is swaged into, it has very high intensity, in use, stressed even, can effectively prevent the situation of local fracture, simultaneously, the first described pit bit can be blocked installation sheet, so, just can prevent to a certain extent that installation sheet is movable, increase the stability of whole snap hook.In addition, when coupler body hooks load, because load is directly to contact with the inner side of crotch portion, therefore, offset flat shape is arranged to in the inner side of crotch portion, can increases the surface of contact of load and crotch portion inner side, thereby further increase loaded stress surface, prevent that load from causing the fracture of load because stress surface is too small, cause potential safety hazard.
The utility model is further set to: the thickness of described turn of bilge is greater than the thickness of described straight-arm portion and described tip, and fillet is all arranged at the edge of described straight-arm portion and described crotch portion.
By adopting technique scheme, because coupler body is when hooking load, substantially be that turn of bilge contacts with load, so, turn of bilge will certainly bear larger pressure, therefore, turn of bilge is arranged to thicker structure, so just can increase the load capacity of coupler body, further prevent that the situation of fracture from appearring in coupler body.In addition, fillet is arranged to in the edge of straight-arm portion and crotch portion, can further reduces the wearing and tearing of load to coupler body, also can prevent the wearing and tearing of edge to load simultaneously.
The utility model is further set to: described latch fitting is got position, hole and towards the place, one end of described tip, protruded from the surface of described straight-arm.
By adopting technique scheme, after latch fitting is contained on coupler body, rotation that in use can be back and forth, will cause wearing and tearing to coupler body surface, and can increase the frictional force in rotation process, by above-mentioned setting, can make latch fitting only contact with the part that protrudes from straight-arm surface in rotation process, so both reduce frictional force, reduced as much as possible again the wearing and tearing to straight-arm surface.
The utility model is further set to: described tip and described straight-arm portion be arranged in parallel.
By adopting technique scheme: when coupler body is hooked on rope or on other object, coupler body can be movable, if tip is to straight-arm portion lopsidedness, the load that can as far as possible prevent from being hooked on coupler body slides on latch fitting, latch fitting is caused to certain compressing, but can reduce the distance between tip and straight-arm portion, may cause like this load poorly to pack into the situation in coupler body; If tip dorsad straight-arm portion tilts, can prevent above-mentioned drawback, but likely there will be again load meeting to slide on latch fitting, latch fitting causes compressing, forms potential safety hazard.Therefore, parallel with straight-arm portion by tip is arranged to, can either prevent the compressing of load to latch fitting, can facilitate again load to pack in coupler body.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment's structural representation;
Fig. 2 is the utility model embodiment's structural representation;
Fig. 3 is the utility model embodiment's structural representation.
Accompanying drawing mark: 1, straight-arm portion, 11, rope hole gets position, hole, 12, latch fitting gets position, hole, the 13, first pit bit, the 14, second pit bit, 15, raceway groove, 2, crotch portion, 21, turn of bilge, 22, tip.
Embodiment
Referring to figs. 1 through 3 figure, the utility model embodiment is described further.
A snap hook coupler body forging, comprises straight-arm portion 1 and crotch portion 2, and straight-arm portion 1 one end is connected with crotch portion 2 one, and the other end is provided with restricts that position, hole 11 is got in hole and latch fitting is got position, hole 12, and it is curved that latch fitting is got position, hole 12;
Straight-arm is provided with the first pit bit 13 coordinating with safety piece and latch fitting and the second pit bit 14 coordinating with safety rope, the first pit bit 13, the second pit bit 14 are interconnected, rope hole is got position, hole 11 and is arranged in the first pit bit 13, and latch fitting is got position, hole 12 and is arranged in the second pit bit 14;
The outer side of straight-arm is provided with the raceway groove 15 coordinating with safety piece, and raceway groove 15 is communicated with the second pit bit 14.
Crotch portion 2 comprises tip 22 and turn of bilge 21, and the end of tip 22 adopts cambered surface setting, turn of bilge 21 and tip 22 outer side be cambered surface setting, inner side edge is inclined to one side plane layout.
The mode that the present embodiment adopts one to forge, has higher production effect, can eliminate internal defects, and can have very high shape, dimensional stability, and have higher comprehensive mechanical property; The sharpest edges of forging be good toughness, fibrous structure rationally, performance variation is little between forging.In addition, it is high that forging also has productivity, saves the advantage of material, can reduce cost of production so to a certain extent.
By adopting technique scheme, safety hook coupler body forging adopts integral type to be swaged into, its structure arranges completely and safety piece, the accessories such as latch fitting are adaptive, the one-step optimization of going forward side by side, in manufacturing process, do not need extra process, only need to just forge and can realize by one, in addition, owing to being that one is swaged into, it has very high intensity, in use, stressed even, can effectively prevent the situation of local fracture, simultaneously, the first described pit bit 13 can be blocked installation sheet, so, just can prevent to a certain extent that installation sheet is movable, increase the stability of whole snap hook.In addition, when coupler body hooks load, because load is directly to contact with the inner side of crotch portion 2, therefore, offset flat shape is arranged to in the inner side of crotch portion 2, can increases the surface of contact of load and crotch portion 2 inner sides, thereby further increase loaded stress surface, prevent that load from causing the fracture of load because stress surface is too small, cause potential safety hazard.
Further, the thickness of turn of bilge 21 is greater than the thickness of straight-arm portion 1 and tip 22, and straight-arm portion 1 is all arranged to fillet with the edge of crotch portion 2.So, because coupler body is when hooking load, substantially be that turn of bilge 21 contacts with load, so, turn of bilge 21 will certainly bear larger pressure, therefore, turn of bilge 21 is arranged to thicker structure, so just can increase the load capacity of coupler body, further prevent that the situation of fracture from appearring in coupler body.
Further, latch fitting is got position, hole 12 place, one end of 22 is protruded from the surface of straight-arm towards tip.So, after latch fitting is contained on coupler body, rotation that in use can be back and forth, will cause wearing and tearing to coupler body surface, and can increase the frictional force in rotation process, by above-mentioned setting, can make latch fitting only contact with the part that protrudes from straight-arm surface in rotation process, so both reduce frictional force, reduced as much as possible again the wearing and tearing to straight-arm surface.
Further, tip 22 be arranged in parallel with straight-arm portion 1.So, when coupler body is hooked on rope or on other object, coupler body can be movable, if tip 22 is to straight-arm portion 1 lopsidedness, the load that can as far as possible prevent from being hooked on coupler body slides on latch fitting, latch fitting is caused to certain compressing, but can reduce the distance between tip 22 and straight-arm portion 1, may cause like this load poorly to pack into the situation in coupler body; If tip 22 dorsad straight-arm portion 1 tilts, can prevent above-mentioned drawback, but likely there will be again load meeting to slide on latch fitting, latch fitting causes compressing, forms potential safety hazard.Therefore, parallel with straight-arm portion 1 by tip 22 is arranged to, can either prevent the compressing of load to latch fitting, can facilitate again load to pack in coupler body.
Claims (4)
1. a snap hook coupler body forging, is characterized in that: comprise straight-arm portion and crotch portion, described straight-arm portion one end is connected with crotch portion one, and the other end is provided with that position, hole is got in rope hole and latch fitting is got position, hole;
Described straight-arm is provided with the first pit bit coordinating with safety piece and latch fitting and the second pit bit coordinating with safety rope;
The outer side of described straight-arm is provided with the raceway groove coordinating with safety piece, and described raceway groove is communicated with described the second pit bit;
Described crotch portion comprises tip and turn of bilge, and the end of described tip adopts cambered surface setting, described turn of bilge and described tip outer side be cambered surface setting, inner side edge is inclined to one side plane layout.
2. snap hook coupler body forging according to claim 1, is characterized in that: the thickness of described turn of bilge is greater than the thickness of described straight-arm portion and described tip, and fillet is all arranged at the edge of described straight-arm portion and described crotch portion.
3. snap hook coupler body forging according to claim 1, is characterized in that: described latch fitting is got position, hole and towards the place, one end of described tip, protruded from the surface of described straight-arm.
4. snap hook coupler body forging according to claim 1, is characterized in that: described tip and described straight-arm portion be arranged in parallel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420385428.8U CN203940216U (en) | 2014-07-12 | 2014-07-12 | Snap hook coupler body forging |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420385428.8U CN203940216U (en) | 2014-07-12 | 2014-07-12 | Snap hook coupler body forging |
Publications (1)
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CN203940216U true CN203940216U (en) | 2014-11-12 |
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CN201420385428.8U Expired - Fee Related CN203940216U (en) | 2014-07-12 | 2014-07-12 | Snap hook coupler body forging |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109622841A (en) * | 2018-12-11 | 2019-04-16 | 陕西宏远航空锻造有限责任公司 | The method of free forging molding right-angled bend forging |
-
2014
- 2014-07-12 CN CN201420385428.8U patent/CN203940216U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109622841A (en) * | 2018-12-11 | 2019-04-16 | 陕西宏远航空锻造有限责任公司 | The method of free forging molding right-angled bend forging |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141112 Termination date: 20170712 |