CN104669187B - Lightweight open-end wrench - Google Patents
Lightweight open-end wrench Download PDFInfo
- Publication number
- CN104669187B CN104669187B CN201310608332.3A CN201310608332A CN104669187B CN 104669187 B CN104669187 B CN 104669187B CN 201310608332 A CN201310608332 A CN 201310608332A CN 104669187 B CN104669187 B CN 104669187B
- Authority
- CN
- China
- Prior art keywords
- mentioned
- wall
- front side
- open
- side wall
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/02—Arrangements for handling screws or nuts
- B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
- B25B23/10—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means
Abstract
The present invention provides a kind of lightweight open-end wrench, this spanner includes: a metal clamp assemblies, this metal clamp assemblies includes a metallic operation part, aforementioned metal operating parts includes a front side wall, a rear wall in contrast to this front side wall, and one effect wall, it is formed with an open space between this front side wall, rear wall and effect wall, and this front side wall has a fixing perforation being communicated to open space with at least one in this rear wall, at least one in this front side wall, this rear wall and this effect wall, is having bite towards above-mentioned open space side；And the supporter of injection molding, at least fill up open space including one and coincide with bite and stretch into the perforation of this fixing go deep into joint portion, and one gos deep into, with this, the shank part that joint portion is integrally formed.By structure provided by the present invention, significantly lower the weight of open-end wrench, reduce the burden of operator；And extending force arm shortening drag arm so that the composite Interface portion structure of open-end wrench is more firm.
Description
Technical field
The present invention relates to mechanical manufacturing field, be specifically related to a kind of lightweight open-end wrench.
Background technology
For being fixed to one another by different object, a kind of common part is exactly bolt or screw, and is responsible for reversing outer-hexagonal bolt, spiral shell
The hand-held tool of nail or nut is exactly mainly spanner, completes the operation of degree of tightness part by torsion.In the past, for providing enough machinery strong
Degree, the instrument of this class is typically entirety and makes with metal materials such as rustless steels, for needing on waist to hang multiple different size spanner
Operator, its weight often results in quite burden.
Subsequently, the present patent application artificially solves the problems referred to above, is specifically designed tapping and is combined into two kinds of metal materials of aluminium alloy
" ultralight amount composite wood spanner ", compared to stainless steel, alleviate weight and reach 40% to 50%, and within 2011, obtain at the Christian era
Obtain German Reddot design head prize.But, the density of aluminium alloy is the highest, pulls if can change also can further alleviate with plastic-steel material
Heavy-handed amount.But another aspect, does not has intersolubility, therefore directly simply can not substitute aluminum alloy materials with plastic-steel between plastic-steel and steel,
It is combined with stainless effect head end.
Additionally, also there is relevant manufacturer to propose the hand-held tool spanner being combined into metal material and non-metallic material, its structure
It is the mechanical strength utilizing metal material, and the low-density characteristic of aluminium alloy, carbon fiber or glass fibre, to alleviate overall weight
Amount.But, in this kind of design, it is the effect head end being coated with stainless steel with such as carbon fiber or glass fibre handle portion.
When applying powerful torsion to object, the action head of metal material can be passed to via the nonmetal or lever of nonferrous metal material
End, the structure of most fragile will appear in the nonmetal or interface position of nonferrous metal coating function head end therebetween.
Unfortunately, if this structure is to imbed forming mode, shapes nonmetal thin-walled and wrapped up stainless steel by outside clamping
Effect head end, under permanent use, stress will focus on the lever of non-metallic material, and the thin-walled extended with lever is bordered on neighbouring
Fragile structure portion；Owing to bearing torsion for a long time, once producing strain, structure can damage rapidly fracture herein.Also this class is made
The composite tool that the metals such as nonmetal combination rustless steel are made, however it remains the doubt stablized and on ruggedness.
Especially, the phenomenon dissolved each other between metal between metal material and non-metallic material, can't be produced, at weathers such as experience rising-heat contracting-colds
Impact, metal and nonmetal between combination will gradually peel off, undermine integrally-built ruggedness the most further.Therefore, how to carry
For the open-end wrench of a lightweight, that reduces operating personnel carries burden, improves overall construction intensity simultaneously, also strengthen metal with
The combination degree of stability of nonmetal, makes tool group have more preferable ruggedness, and is hardly damaged, and is that needs urgently solve
Problem.
Summary of the invention
For solving the problems referred to above, an object of the present invention is to provide a kind of lightweight open-end wrench so that it is weight saving and be prone to
Carry.
Another object of the present invention is the lightweight open-end wrench providing a kind of structural strength high.
Still a further object of the present invention be to provide a kind of metal and nonmetal between the high lightweight open-end wrench of combination stability, open to increase
The service life of mouth spanner.
For reaching above-mentioned purpose, a kind of lightweight open-end wrench provided by the present invention, can reverse one along a working shaft and screw togather unit
Part, this spanner includes: at least one metal clamp assemblies, is formed with one and can clamp the above-mentioned effect opening screwing togather element of torsion,
Aforementioned effect opening has two clipping limits parallel to each other, and this metal clamp assemblies includes a metallic operation part, aforementioned metal
Operating parts includes a front side wall, a rear wall in contrast to this front side wall, and an effect wall, and wherein this effect wall is at least
A clipping limit along above-mentioned effect opening links this front side wall and this rear wall so that this front side wall, rear wall and effect wall
Between be formed with an open space, and at least one in this front side wall and this rear wall is formed with one and is communicated to this opening sky
Between fixing perforation, at least one in this front side wall, this rear wall and this effect wall, towards above-mentioned open space side shape
Become to have bite；And the supporter of an injection molding, including one at least fill up above-mentioned open space and with above-mentioned bite
Coincide and stretch into the perforation of this fixing go deep into joint portion, and one is goed deep into the shank part that joint portion is integrally formed with this, described
The density of gripping member material therefor is less than above-mentioned metal clamp assemblies.
By structure provided by the present invention, on the one hand it is far below the nonmetallic materials of metal material as lightweight open spanner using density
The handle portion of hands, allows the weight of open-end wrench significantly lower, and operator is greatly reduced when carrying a large amount of instrument with working belt
Burden；It addition, constitute clamp assemblies with metal material, this clamp assemblies forms the open space of active reciprocation opening, and
Injection molding and allow non-metallic material deeply fill up the open space of corresponding effect opening, thus form the supporter of lightweight, allow knot
Close interface and can extend to the above-mentioned effect opening of correspondence, extend force arm and shorten drag arm lengths simultaneously so that open-end wrench
Composite Interface portion structure is more firm and is hardly damaged.
The especially wall at metal clamp assemblies formation open space is formed further with bite, both may be easily formed and the demoulding,
Can also allow non-metallic material injection molding time, form more firm combination with metal material, effectively increase the service life, at one stroke
Reach above-mentioned all purposes.
Accompanying drawing explanation
Fig. 1 is the perspective view of lightweight open-end wrench of the present invention；
Fig. 2 is the metal clamping modular construction schematic diagram of lightweight open-end wrench of the present invention；
Fig. 3 is that Fig. 2 embodiment is along III-III line left view schematic diagram；
Fig. 4 is that Fig. 2 embodiment is along IV-IV line cross-sectional schematic；
Fig. 5 is Fig. 1 embodiment schematic diagram, and force arm and drag arm configuration are described；
Fig. 6 is the second preferred embodiment structural representation of lightweight open-end wrench of the present invention；
Fig. 7 is the second preferred embodiment STRUCTURE DECOMPOSITION schematic diagram of lightweight open-end wrench of the present invention.
Detailed description of the invention
Features described above and advantage for making the present invention can become apparent, special embodiment below, and coordinate institute's accompanying drawing to make specifically
Bright as follows.
The present invention the first preferred embodiment as shown in Figure 1 and Figure 2, is a fixed lightweight open-end wrench 1, at operation head end
Being made up of metal materials such as rustless steels, for the sake of explanation, referred to herein as metal clamp assemblies 2, handle portion then defines
Supporter 3 for injection molding.This metal clamp assemblies 2 the most only includes single metallic operation part 20, and this metal
Operating parts 20 is formed with an effect opening 21, and the twice side parallel to each other defining effect opening 21 is referred to as clipping limit
210, screw togather element (not shown) for clipping nut or bolt etc. and be used.
Coordinating shown in Fig. 3 in the lump, aforementioned metal operating parts 20 includes the metal thin-wall of before and after both sides, for purposes of illustration only, fixed herein
Justice be positioned at graphic left side person for front side wall 200, graphic right side in contrast to this front side wall 200 then be referred to as rear wall 201, graphic on
The effect that is then the referred to as wall 202 of side, compares aforementioned axonometric chart, it can be seen that wherein effect wall 202 is exactly along above-mentioned effect opening
One clipping limit 210 of 21 links above-mentioned front side wall 200 and rear wall 201 so that front side wall 200, rear wall 201 and work
It is formed with an open space 203 with between wall 202.Additionally, in this example, this front side wall 200 is formed with one and is communicated to
The fixing perforation 204 of open space 203.Certainly, as readily appreciated in being familiar with this area personage, fixing herein is also bored a hole
Can form in rear wall, or all be formed separately in front and back two side also without can not.
Another also with reference to shown in Fig. 4, in this example, metallic operation part 20 is opened towards above-mentioned at front side wall 200 and rear wall 201
203 side between emptying, is respectively formed with a plurality of three-dimensional occlusion striped, solid is engaged striped example herein and is interpreted as dovetail groove 60,
And all dovetail grooves 60 names as bite 205 jointly, owing to above-mentioned dovetail groove 60 is all parallel to each other, and each turtledove
Stern notch 60 extends along graphic above-below direction the most in fig. 2 so that in casting or the process of extrusion molding metallic operation part 20
After, the mould of two-piece type can detach respectively smoothly above and below graphic, thus formed and have above-mentioned bite 205
Metallic operation part 20.The most therefore, the bearing of trend of each dovetail groove 60 substantially vertical above-mentioned parallel clipping limit respectively in this example
210。
When making this lightweight open-end wrench 1, it is with one supporter 3 of plastic material injection molding, mainly includes deep combination
Portion 30 and shank part 31, owing to above-mentioned open space 203 is along effect before wall 202 is deep into metallic operation part 20 always
End portion, during filling up above-mentioned open space 203 with highdensity plastic cement the most in this example, can fill up all above-mentioned in the lump
Dovetail groove 60, and coincideing with aforementioned bite 205, and shape firm combination go deep into joint portion 30；Shank part 31 is then
One-body molded away from one end of effect opening 21 with going deep into joint portion 30.
For explanation operating process, especially on steelframe screw togather element as a example by, refer to shown in Fig. 5, when with above-mentioned lightweight opening
When spanner 1 reverses the bolt 4 on steelframe, operator holds shank 31 rotation that exerts a force to hold, and force arm 50 now is such as
Shown in arrow, shank part 31 extend to two clipping limits 210 and contact the position of bolt 4, relatively, counteracting force during torsion
By being extended to the interface between the supporter 3 of aforementioned metal clamp assemblies 2 and injection molding by bolt 4, owing to going deep into joint portion
30 front ends extending fully into metal clamp assemblies 2 so that drag arm 51 is relatively short.
Owing to the structural strength of the metal materials such as rustless steel is much larger than plastic cement, so above-mentioned metal clamp assemblies 2 is not likely to produce strain,
Furthermore, by force arm 50 length of hands to the point of application, much larger than drag arm 51 length of bolt 4 to interface so that can cause
Effective resisting moment of structural failure reduces, at interface thus the most strong and be susceptible to torsional resistance and damage.
By said structure, when lightweight open-end wrench reverses and screws togather element, due to force via integrated with shank part deeply
Entering joint portion, conduct to screwing togather element with longer force arm, the drag arm of response to interface is then considerably shorter than force arm so that should
Power concentrate interface position suffered by resisting moment little, thus, overall structure is difficult to damage easily, service life thus extend.Certainly,
As readily appreciated in being familiar with the art personage, bite is not fixed as dovetail groove shape, also may not limit to position in front side
Inside wall and rear wall, as long as three-dimensional occlusion striped is directed towards above-mentioned open space and has the side of an angle with aforementioned clipping limit
To the convex epirelief extended, also optional forming in acts on inside wall.
As shown in Figure 6, Figure 7, the present invention the second preferred embodiment, then be as a example by adjustable wrench 1 ', screwing togather of turn-knob
Element is then interpreted as bolt 4 ' with sample, different from previous embodiment is metal clamp assemblies 2 ' except including metallic operation part 20 '
Outward, a movable part 22 ' and a regulating part 23 ' are further included.Wherein, metallic operation part 20 ' and movable part 22 ' points
Not there is one clipping limit 210 ' parallel to each other, and jointly define the formation such as effect opening 21 ' of previous embodiment, with
Bolt is reversed in clamping.
For making movable part 22 ' can retreat relative to metallic operation part 20 ', with the width of change effect opening 21 ', metal
Operating parts 20 ' is formed and with clipping limit 210 ', there is the guide runner 206 ' that the direction of an angle extends, and be formed with conducting
To the regulation perforation 207 ' of guide runner 206 ', for regulating part 23 ' corresponding above-mentioned regulation perforation 207 ' setting.Movable part 22 '
It is limited in above-mentioned guide runner 206 ' and by the corresponding actuation part 220 ' driven of this regulating part 23 ' including one, therefore can be by
Rotate regulating part 23 ', order about actuation part 220 ' and relatively retreat, allow the distance of corresponding effect wall 202 ' and screw togather element 4 ' chi
Very little it is consistent.
Comprehensive the above, lightweight open-end wrench provided by the present invention, metal material decrement is reached light-weighted purpose；Again
Person, because go deep into the front end on clipping limit with plastic cement, glass fibre, pottery, plastic cement addition metal dust or other composites,
Therefore, the interface between metallic operation part and supporter is significantly pushed ahead so that when reversing bolt or nut, partition metal behaviour
Only having extremely short drag arm between workpiece and the drag of supporter and interface, force arm then can be through to from lever act on opening always
Portion, allows the combination interface between metal and other nonmetallic materials be obtained good support by configuration aspects.Further, since be by non-gold
Belong to injection molding to metallic operation part central authorities open space, so the present invention is to combine in the nonmetallic mode of metal clip system.Gold
Belong to and be positioned at outside, it is provided that preferably mechanical strength, even arranging in the way of metal thin-wall, also superior in prior art, with
Nonmetal thin-walled sandwiches the structural strength of metal so that the lightweight open-end wrench of the present invention has relatively strong structure, effectively strengthens
The intensity of lightweight open-end wrench and service life.The design of bite, allows nonmetallic materials directly penetrate, one-body moldedly in addition
Fill up open space and bite gap, allow the storeroom of different heat expansion coefficient can be the most closely sealed and do not affected by rising-heat contracting-cold
Cause separating, more improve the stability of combination, thus reach above-mentioned all purposes.
The better embodiment of upper described embodiment, the only present invention, it is impossible in order to limit the scope that the present invention implements, all
It is the simple equivalence change and modification made according to the claims in the present invention and description of the invention content, the most still belongs to patent of the present invention and contain
In the range of lid.
Claims (6)
1. a lightweight open-end wrench, can reverse one along a working shaft and screw togather element, including:
At least one metal clamp assemblies, is formed with one and reverses the above-mentioned effect opening screwing togather element for clamping, and aforementioned effect is opened
Mouth has two clipping limits corresponded to each other, and this metal clamp assemblies includes a metallic operation part, and aforementioned metal operating parts includes
One front side wall, a rear wall in contrast to this front side wall, and an effect wall, wherein this effect wall is at least along above-mentioned
One clipping limit of effect opening links this front side wall and this rear wall so that be formed between this front side wall, rear wall and effect wall
One open space, at least one in this front side wall, this rear wall and this effect wall, towards above-mentioned open space side shape
Become to have bite；And the supporter of an injection molding, including one at least fill up above-mentioned open space and with above-mentioned bite
That coincide gos deep into joint portion, and one is goed deep into, with this, the shank part that joint portion is integrally formed, and the density of this supporter material therefor is low
In above-mentioned metal clamp assemblies；It is characterized in that, above-mentioned metallic operation part is formed one and with two clipping limits, there is an angle
The upwardly extending guide runner in side, and this metallic operation part be formed be conducted to above-mentioned guide runner regulation perforation, this effect wall bag
Include the one in above-mentioned two clipping limits；And this metal clamp assemblies further includes a movable part and an above-mentioned regulation of correspondence is worn
The regulating part in hole；This movable part includes that one is limited in above-mentioned guide runner and the actuation part driven by this regulating part correspondence, and should
Movable part includes the another one on above-mentioned two clipping limits.
2. lightweight open-end wrench as claimed in claim 1, it is characterised in that above-mentioned bite include forming in above-mentioned front side wall, on
State at least one in rear wall or above-mentioned effect wall and the three-dimensional occlusion striped towards above-mentioned open space.
3. lightweight open-end wrench as claimed in claim 2, it is characterised in that above-mentioned three-dimensional occlusion striped be a plurality of parallel to each other and
At the upwardly extending convex epirelief in side that there is an angle with above-mentioned clipping limit.
4. lightweight open-end wrench as claimed in claim 2, it is characterised in that each above-mentioned three-dimensional occlusion striped is a dovetail groove.
5. lightweight open-end wrench as claimed in claim 1, it is characterised in that above-mentioned metallic operation part, including by this front side wall and should
At least one in rear wall is formed with a fixing perforation being communicated to this open space.
6. lightweight open-end wrench as claimed in claim 1, it is characterised in that the material of above-mentioned supporter is plastic cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310608332.3A CN104669187B (en) | 2013-11-26 | 2013-11-26 | Lightweight open-end wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310608332.3A CN104669187B (en) | 2013-11-26 | 2013-11-26 | Lightweight open-end wrench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104669187A CN104669187A (en) | 2015-06-03 |
| CN104669187B true CN104669187B (en) | 2017-01-04 |
Family
ID=53305040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310608332.3A Expired - Fee Related CN104669187B (en) | 2013-11-26 | 2013-11-26 | Lightweight open-end wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104669187B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5685204A (en) * | 1996-01-16 | 1997-11-11 | Snap-On Technologies, Inc. | Miniature reversible ratcheting screwdriver |
| CN2372096Y (en) * | 1999-05-05 | 2000-04-05 | 陈卿 | Dual-purpose fast wrench |
| US6058812A (en) * | 1997-06-19 | 2000-05-09 | Robert Schroder Gmbh & Co. | Screwing tool with a ratchet |
| CN2389753Y (en) * | 1999-08-06 | 2000-08-02 | 魏照 | Wrench of open jaw type |
| TW201321139A (en) * | 2011-11-17 | 2013-06-01 | Kabo Tool Co | Wrench |
-
2013
- 2013-11-26 CN CN201310608332.3A patent/CN104669187B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5685204A (en) * | 1996-01-16 | 1997-11-11 | Snap-On Technologies, Inc. | Miniature reversible ratcheting screwdriver |
| US6058812A (en) * | 1997-06-19 | 2000-05-09 | Robert Schroder Gmbh & Co. | Screwing tool with a ratchet |
| CN2372096Y (en) * | 1999-05-05 | 2000-04-05 | 陈卿 | Dual-purpose fast wrench |
| CN2389753Y (en) * | 1999-08-06 | 2000-08-02 | 魏照 | Wrench of open jaw type |
| TW201321139A (en) * | 2011-11-17 | 2013-06-01 | Kabo Tool Co | Wrench |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104669187A (en) | 2015-06-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202291645U (en) | Reciprocating saw | |
| CN206605273U (en) | Cross workpiece positioning clamp | |
| EP2353830A3 (en) | Method of manufacturing a composite fan blade with co-cured sheath, and corresponding fan blade | |
| CN104669187B (en) | Lightweight open-end wrench | |
| CN207386250U (en) | A kind of bending tool of hollow aluminum strip | |
| CN201524841U (en) | Hand saw | |
| CN203532400U (en) | Angling cylinder | |
| JP2008511458A5 (en) | ||
| CN208613658U (en) | A kind of connecting rod thermal die forging molding die | |
| TWM541913U (en) | Electric nail gun improved structure | |
| CN207655891U (en) | A kind of automatic die-locking device | |
| CN204935572U (en) | A kind of laborsaving hardware hammer | |
| CN203125557U (en) | Reinforcing type one-piece plastic coating axe | |
| CN101085513A (en) | Socket ratchet wrench | |
| TWM303752U (en) | Golf club head with adjustable counterweight | |
| CN205394445U (en) | Multi -functional five metals hammer that conveniently carries | |
| CN208945975U (en) | A kind of multi-functional four-in-one pipe vice | |
| CN207127336U (en) | A kind of hand saws with cooling system | |
| CN204471266U (en) | Dull and stereotyped spanner | |
| CN206839688U (en) | A kind of elongate rod clamping fixing tool | |
| CN210968758U (en) | Multifunctional casting | |
| CN212192926U (en) | Novel hook-shaped wrench | |
| CN202455735U (en) | Pickaxe-shaped pointed spade | |
| CN212218365U (en) | Laborsaving and portable's nail hammer for building pulls out | |
| CN216505278U (en) | Opening pliers for interior trim plastic absorbing piece |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20201126 |