CN102554834A - Open spanner and manufacturing method thereof - Google Patents
Open spanner and manufacturing method thereof Download PDFInfo
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- CN102554834A CN102554834A CN2010105996665A CN201010599666A CN102554834A CN 102554834 A CN102554834 A CN 102554834A CN 2010105996665 A CN2010105996665 A CN 2010105996665A CN 201010599666 A CN201010599666 A CN 201010599666A CN 102554834 A CN102554834 A CN 102554834A
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- Prior art keywords
- open
- head
- plate body
- end wrench
- cover
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Abstract
The invention discloses an open spanner and a manufacturing method thereof. The open spanner structurally comprises a body and a cover, the body is provided with a head and a holding portion, and the head is provided with a fork and a notch formed by inner side edges of the fork. The cover is provided with a first plate, a second plate and a third plate, the first plate is connected with the second plate by the third plate, a spanner opening is formed on the outer side surface of the third plate, a cover opening is defined by outer edges of the first plate, the second plate and the third plate, and the cover opening penetrates into the fork, so that the cover covers the notch and is embedded with the head. A design of different materials and joints is applied, advantages of the raw materials are ingeniously reserved, after the different materials are combined, rigidity of the spanner opening of the spanner can be kept, and the open spanner has the advantage of light weight.
Description
Technical field
The present invention relates to a kind of open-end wrench and manufacturing approach thereof, particularly relate to a kind of open-end wrench and manufacturing approach thereof that has two kinds of different materials simultaneously.
Background technology
As shown in Figure 1; General open-end wrench (wrench) 10 processes so that steel are integrally formed, though but pulling of its head 11 mouthfuls 111 have sufficient intensity screw lock/spiral shell and unload screw, it holds the intensity that also should there be certain limit in portion 12 so that enough torsion rigidity to be provided; But overall weight is not light; Particularly the time to the construction of large-scale screw, and carrying, store in a warehouse, transporting or when using, and can't satisfy the light-weighted requirement of user in work high above the ground (like antenna tower, steel truss arch bridge etc.).Especially must the light-weighted field that requires at utmost points such as drilling platform, wind-power electricity generation, electric tower, high building, mountain-climbing or mountain area type spanners, traditional clean steel material spanner is often denounced but helpless being compelled accepted it because of heavier.
Another problem of facing is, if lightweight and when this open-end wrench 10 is processed with light-alloy, the intensity relative deficiency when it is pulled and mouthful wants screw lock/spiral shell to unload the steel screw.
Summary of the invention
The object of the invention provide a kind of with the preferable material of rigidity as head, with time good material of rigidity as body and the structure and the manufacturing approach of holding the light-weighted opening wrench of portion.
For reaching above-mentioned purpose, the present invention provides a kind of manufacturing approach of open-end wrench, comprises the following step: a body is provided earlier, and body has a head and and holds portion, and head has a breach.Again socket one material differ from body cover body in head, cover body coats breach, cover body forms one corresponding to the outer surface of breach and pulls that mouthful screw lock/spiral shell unloads this screw to be inserted in a screw head end.
The manufacturing approach of said open-end wrench, wherein, the socket of this cover body and this body is the gummed mode.
The manufacturing approach of said open-end wrench, wherein, this head of this body and this hold that portion is integrally formed processes.
The manufacturing approach of said open-end wrench, wherein, this first material is aluminium, magnesium or iron, and this second material is mould steel, chrome-molybdenum steel or chrome-vanadium steel.
For reaching above-mentioned purpose, the present invention also provides a kind of and unloads the open-end wrench of a screw terminal in order to screw lock/spiral shell, and it comprises a body and a cover body.Body has a head and and holds portion, and this head has a fork portion and by the formed breach of an inner side edge of this fork portion.Cover body has one first plate body, one second plate body and connects first plate body and one the 3rd plate body of second plate body; But the 3rd plate body outer surface formation screw lock/spiral shell unloads one of screw and pulls mouth; The outer rim of first plate body, second plate body and the 3rd plate body defines a cover mouth jointly; The cover mouth penetrates the fork portion of body and makes cover body coat breach, and makes cover body and the mutual embedding of head and glue together it.
Described open-end wrench, wherein, the strength of materials of this cover body and density are greater than the strength of materials and the density of this body.
Described open-end wrench, wherein, this operation width of pulling mouth is more than or equal to 32mm.
Described open-end wrench, wherein, the outer side edges with respect to this inner side edge of this fork portion partly is exposed to outside this cover body.
Described open-end wrench, wherein, this first plate body of part and this second plate body of part extend to the part that this holds portion.
For reaching above-mentioned purpose, the present invention also provides a kind of open-end wrench, it is characterized in that, comprises:
One body has a head; And
One cover body is socketed on this head with the gummed mode, and is formed with and pulls mouth, and wherein the strength of materials of this cover body and density are greater than the strength of materials and the density of this body.
Body of the present invention is processed for the light-alloy material, and cover body is that the high strength steel material is made, utilizes the body of light-weighted big volume and the cover body of high rigidity intensity, utilizes the gummed processing procedure that cover body is inserted in body engagement again, can greatly reduce wrench weight.The present invention uses the design of different material and junction joint, and the preferable characteristic of ingenious reservation original material after different material combines, can be kept the rigidity of pulling mouth of Wrench, produces light-weighted advantage.
Description of drawings
Fig. 1 illustrates the opening wrench stereogram of prior art;
Fig. 2 illustrates the body of open-end wrench one embodiment of the present invention and the three-dimensional exploded view that engages of cover body;
Fig. 3 illustrates the three-dimensional combination figure of Fig. 2;
Fig. 4 illustrates the front view of Fig. 2;
Fig. 5 illustrates the front view of Fig. 3; And
Fig. 6 illustrates the flow chart of steps of open-end wrench manufacturing approach one embodiment of the present invention.
Wherein, Reference numeral:
[prior art part]
10 opening wrench
11 heads
111 pull mouth
12 hold portion
[part of the present invention]
20 bodies
21 heads
211 fork portions
2111 inner side edges
2112 outer side edges
212 breach
22 hold portion
221 openings
30 cover bodies
31 first plate bodys
32 second plate bodys
33 the 3rd plate bodys
331 pull mouth
34 cover mouths
D operation width
The s screw terminal
The step of manufacturing flow process of step S10～step S20 open-end wrench
The specific embodiment
Now cooperate and graphic preferred embodiment of the present invention is specified as follows.
Like Fig. 2～shown in Figure 5, the open-end wrench of present embodiment unloads a screw terminal s (as shown in Figure 5) in order to screw lock/spiral shell, and the structure of this open-end wrench comprises: a body 20 and a cover body 30.Body 20 have a head 21 and be connected with this head 21 one hold portion 22, head 21 also has a fork portion 211, the breach 212 of this fork portion 211 inner side edges, 2111 formation, one similar U type.Cover body 30 has one first plate body 31, with respect to second plate body 32 of this first plate body 31 and one the 3rd plate body 33 that connects this first plate body 31 and this second plate body 32; The surface curvature in the 3rd plate body 33 outsides and form one and pull mouthfuls 331; This is pulled mouthfuls 331 and unloads a screw terminal s (as shown in Figure 5) in order to screw lock/spiral shell, and the outer margin contour of this first plate body 31, this second plate body 32 and the 3rd plate body 33 defines cover mouthful 34 (like Fig. 2, shown in Figure 4) jointly.Cover body 30 glues together worker's method with the joint applications of body 20; But do not exceed with this worker's method; This cover mouth 34 penetrates this fork portion 211 of this body 20 and makes the position of the 3rd plate body 33 of this cover body 30 corresponding to this breach 212; And coat this breach 212, and and make this cover body 30 be embedded in the head 21 and the gummed (like Fig. 3, shown in Figure 5) of this body 20, this that makes contact screw terminal s pulls mouthfuls 331 and connect and pull mouthfuls 331 first plate body 31, second plate body 32 and be same material, integrally formed processing.
In an above-mentioned embodiment, the strength of materials of this cover body 30 and density is greater than the strength of materials of this body 20, required rigidity intensity when unloading screw terminal s to deal with screw lock/spiral shell.Again, the density of material of this cover body 30 is greater than the density of material of this body 20, to reach the lightweight advantage of open-end wrench.
Further speech is as shown in Figure 5, among the above-mentioned embodiment, if this operation width d (that is pulling mouthful 331 width) that pulls mouth 331 is big more, representes that then the relative volume of this open-end wrench is big more, and this moment, the lightweight of this open-end wrench was important more.For example this is pulled operation width d of mouthfuls 331 and is equal to or greater than 32mm, then more can highlight present embodiment compound different material lightweight and keep the advantage of pulling mouthful 331 desired stiffness.
Among the above-mentioned embodiment, an outer side edges 2112 parts with respect to this inner side edge 2111 of the fork portion 211 of this head 21 are exposed to outside this cover body 30, make this first plate body 31 of formation and second plate body 32 insert and put the aspect of fork portion 211.Certainly, this second plate body of this first plate body of part and part may extend to the part that this holds portion 22, and providing body 20 better distorting stress, and this holds portion 22 and also can be provided with at least one opening 221 (or fluting), to alleviate the weight of body 20.
Continued refer to Figure 6, and at the same Zhen reference to Figure 4, Figure 5.The manufacturing approach of the open-end wrench in the present embodiment comprises the following step: step S10, the body 20 of one first material is provided, and body 20 has a head 21 and and holds portion 22, and head 21 has a breach 212.Step S20, outside head 21, the cover body 30 of socket one second material, and make this cover body 30 coat these breach 212, the outer surface corresponding to this breach 212 of this cover body 30 form one and pull mouthfuls 331, and this is pulled mouthfuls 331 and unloads a screw terminal s in order to screw lock/spiral shell.Wherein, this cover body 30 and the socket mode of this body 20 can be used gummed worker method (but not exceeding with this worker's method) for it.
In the manufacturing approach of above-mentioned open-end wrench, this head of this body and this hold that portion is integrally formed processes.
Among the above-mentioned embodiment, this first material can be aluminium, magnesium or iron or its alloy, and this second material can be mould steel, chrome-molybdenum steel or chrome-vanadium steel.
In one embodiment of this invention; Via above design; This body 20 with first material (for example aluminium alloy) process, this cover body 30 processes with second material (for example chrome-molybdenum steel); After experiment, can require (643N-M) through the commercial torsional moment of the wrench standard of Deutsche industry norm (DIN) DIN-3113, reach 743.524～1141.639N-M, its weight expection alleviates 38～40% than the clean steel wrench.
Characteristics of the present invention are; Body of the present invention is processed for the light-alloy material, and that cover body can be used mould steel, chrome-molybdenum steel or high strength steel material is made, the body of light-weighted big volume capable of using; And the mouth of pulling of the cover body of high rigidity intensity contacts and acts on the screw workpiece; Utilize the gummed processing procedure again, with cover body be inserted in body engagement it, just estimate and can greatly reduce wrench weight.The present invention uses the design of different material and junction joint, and the ingenious reservation original material chief after different material combines, can keep the rigidity that spanner is pulled mouth, produces light-weighted advantage.
In sum, be only notebook invention for presenting the embodiment or the embodiment of the technological means that adopted of dealing with problems, be not the scope that is used for limiting patent working of the present invention.Be that patent claim context all and of the present invention conforms to, or change and modification, be all claim of the present invention and contain according to the equalization that claim of the present invention is done.
Claims (10)
1. the manufacturing approach of an open-end wrench is characterized in that, comprises the following step:
The body of one first material is provided, and this body has a head and and holds portion, and this head has a breach; And
The cover body of socket one second material is in this head, and makes this cover body coat this breach, and this cover body forms one corresponding to the outer surface of this breach and pulls mouth.
2. the manufacturing approach of open-end wrench according to claim 1 is characterized in that, the socket of this cover body and this body is the gummed mode.
3. the manufacturing approach of open-end wrench according to claim 1 is characterized in that, this head of this body and this hold that portion is integrally formed processes.
4. the manufacturing approach of open-end wrench according to claim 1 is characterized in that, this first material is aluminium, magnesium or iron, and this second material is mould steel, chrome-molybdenum steel or chrome-vanadium steel.
5. an open-end wrench is characterized in that, comprises:
One body, it has a head and and holds portion, and this head has a fork portion and by the formed breach of an inner side edge of this fork portion; And
One cover body; It has one first plate body, with respect to second plate body of this first plate body and connect one the 3rd plate body of this first plate body and this second plate body; But the outer surface of the 3rd plate body form frame be placed in this screw head one pull mouth; The outer rim of this first plate body, this second plate body and the 3rd plate body defines a cover mouth jointly, and this cover mouth penetrates this fork portion of this body and makes this cover body coat this breach, and this cover body is embedded in this head and gummed.
6. open-end wrench according to claim 5 is characterized in that, the strength of materials of this cover body and density are greater than the strength of materials and the density of this body.
7. open-end wrench according to claim 5 is characterized in that, this operation width of pulling mouth is equal to or greater than 32mm.
8. open-end wrench according to claim 5 is characterized in that, the outer side edges with respect to this inner side edge of this fork portion partly is exposed to outside this cover body.
9. open-end wrench according to claim 5 is characterized in that, this first plate body of part and this second plate body of part extend to the part that this holds portion.
10. an open-end wrench is characterized in that, comprises:
One body has a head; And
One cover body is socketed on this head with the gummed mode, and is formed with and pulls mouth, and wherein the strength of materials of this cover body and density are greater than the strength of materials and the density of this body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010599666.5A CN102554834B (en) | 2010-12-13 | 2010-12-13 | Open spanner and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010599666.5A CN102554834B (en) | 2010-12-13 | 2010-12-13 | Open spanner and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102554834A true CN102554834A (en) | 2012-07-11 |
| CN102554834B CN102554834B (en) | 2014-09-03 |
Family
ID=46402132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010599666.5A Active CN102554834B (en) | 2010-12-13 | 2010-12-13 | Open spanner and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102554834B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1314044A (en) * | 1919-08-26 | Wrench | ||
| US2909954A (en) * | 1958-02-03 | 1959-10-27 | Rhoads Stanley | Plastic open end wrench |
| US3709073A (en) * | 1971-01-25 | 1973-01-09 | R Kurtz | Laminated wrench |
| US5062328A (en) * | 1989-03-02 | 1991-11-05 | Demurger Et Cie | Plastic wrench with metal insert |
| CN2400224Y (en) * | 1999-10-26 | 2000-10-11 | 黄钦烟 | Simple insulating hand tool |
| US7117767B1 (en) * | 2005-05-18 | 2006-10-10 | Goh Seng Kiat | Double open-end claded-head wrench |
-
2010
- 2010-12-13 CN CN201010599666.5A patent/CN102554834B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1314044A (en) * | 1919-08-26 | Wrench | ||
| US2909954A (en) * | 1958-02-03 | 1959-10-27 | Rhoads Stanley | Plastic open end wrench |
| US3709073A (en) * | 1971-01-25 | 1973-01-09 | R Kurtz | Laminated wrench |
| US5062328A (en) * | 1989-03-02 | 1991-11-05 | Demurger Et Cie | Plastic wrench with metal insert |
| CN2400224Y (en) * | 1999-10-26 | 2000-10-11 | 黄钦烟 | Simple insulating hand tool |
| US7117767B1 (en) * | 2005-05-18 | 2006-10-10 | Goh Seng Kiat | Double open-end claded-head wrench |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102554834B (en) | 2014-09-03 |
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