CN2150974Y - Fast adjusting shifting spanner - Google Patents
Fast adjusting shifting spanner Download PDFInfo
- Publication number
- CN2150974Y CN2150974Y CN 93230344 CN93230344U CN2150974Y CN 2150974 Y CN2150974 Y CN 2150974Y CN 93230344 CN93230344 CN 93230344 CN 93230344 U CN93230344 U CN 93230344U CN 2150974 Y CN2150974 Y CN 2150974Y
- Authority
- CN
- China
- Prior art keywords
- screw rod
- adjustable clamp
- screw
- fixing pincers
- clamp
- 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
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 24
- 230000001012 protector Effects 0.000 claims description 10
- 241000270728 Alligator Species 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 6
- 229910052742 iron Inorganic materials 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model discloses a fast adjusting shifting spanner, comprising an adjustable clamp (1) installed on the guide rail (c) of the fixing clamp (2), a movable jaw lining iron (8) and a fixed jaw lining iron (3) respectively installed on the adjustable clamp (1) and the fixing clamp (2) by screws (4). The small shaft (5) of the fixing clamp (2) is installed on the screw rod (7) provided with an axial slot (e), and a spring (6) is arranged in the socket of the upper part of the screw rod (7). The fast adjusting shifting spanner is characterized in that limit slots (d) are arranged at both sides of the adjustable clamp (1); the guide rail (c) of the fixing clamp (2) is provided with a screw hole (10); an axial mechanical alignment structure (b) is arranged on the contact point of the bottom of the screw rod (7) and the rack of the fixing clamp (2); a rake angle (gamma) is positioned between the thread profile point (a) at the right half part of the axial slot (e) on the screw rod (7) and the earliest engaging position of both side ends (a') of the rack on the adjustable clamp (1) and the screw rod (7). The utility model is a novel fast adjusting shifting spanner at present.
Description
The utility model relates to a kind of quick adjustment alligator wrench spanner, belong to the hand-operated tools of clamping work pieces.
Proposed among the CN2070227U that on January 30th, 91 was announced to open an axial groove in the center end to end at the screw thread of adjusting screw rod, can push-and-pull arbitrarily on back-up wrench, adjust openings of sizes.The disadvantage that exists is " dead angle " problem, after the adjustment screw rod is slotted vertically, caused screw rod and portable plate mouth rack the engagement in discontinuous, promptly when the spanner mouth reaches certain several position need be when adjusting screw rod locking portable plate mouth, and use this moment just is that part of screw thread that the time is removed by fluting on the screw rod, so just caused " dead angle " of spanner in this several position, thus the purpose that screw rod all can be locked when not reaching adjustable wrench reaching the optional position in the scope of application; The 2nd, owing on screw rod, opened an axial groove, exposed the cross section of screw flight, in use, the cross section can be collided mutually with the end face of adjustable clamp upper rack, thereby has caused the locking difficulty; The 3rd, the Flexible spanner mouth problem that comes off when the groove on the screw rod during facing to the tooth bar of Flexible spanner mouth, may cause the Flexible spanner mouth to skid off fixedly to pull mouth and loses.On April 1st, 92, the CN2100287U of bulletin was on the basis of CN2070227U, had adopted the way that increases bit to reach and had pulled dual-purpose purpose, and the disadvantage of existence as mentioned above.
The purpose of this utility model is to overcome above-mentioned disadvantage, provides a kind of adjustable clamp 1 not come off, and does not have in the time of reversing end for end clamping work pieces fast at " dead angle ", and the locking workpiece quick and precisely can be made the quick adjustment alligator wrench spanner that pipe wrench can be made spanner again.
In order to achieve the above object, the utility model is to realize like this, be by the adjustable clamp 1 on the guide rail C that is contained in fixing pincers 2, moving jaw protector 8, Gu movable clamp port protector 3 is contained in adjustable clamp 1 with screw 4 respectively, Gu on the moving pincers 2, the little axle 5 of fixing pincers 2 is contained on the screw rod 7 that is provided with axial groove e, in the nest on screw rod 7 tops spring 6 is housed, be characterized in being provided with stopper slot d on the two sides of adjustable clamp 1, guide rail C place at fixing pincers 2 establishes a screwed hole 10, stop screw 9 is passed screwed hole 10 to be loaded in the stopper slot d, defining adjustable clamp 1 moves at the guide rail C place of fixing pincers 2, and unlikely coming off, be provided with axial mechanical compensation structure b in screw rod 7 bottoms and fixing pincers 2 tooth bar contact positions, promptly adopted a pair of left-hand screw face in screw rod 7 bottoms and fixing pincers 2 contact positions, screw rod 7 is displacement vertically simultaneously in the rotary course of locking adjustable clamp 1, with compensation because screw rod 7 fluting causes " dead angle " in the engagement, for the tooth bar on screw rod 7 and the adjustable clamp 1 is meshed smoothly, the right-hand part thread profile a of place of axial groove e on screw rod 7 and the two side ends a ' of adjustable clamp 1 upper rack mesh the position the earliest with screw rod 7 and establish a tilt angle gamma, when so just having guaranteed that adjustable clamp 1 is parked in the scope of activities optional position, screw rod 7 all can mesh smoothly with the tooth on the adjustable clamp 1, thereby has avoided when the locking workpiece because transverse tooth thickness is collided operational difficulty and the delay time at stop that causes mutually.
Compared with the prior art the utility model has fundamentally solved the adjustable clamp landing, because transverse tooth thickness causes operational difficult problem, is present a kind of relatively more novel quick adjustment alligator wrench wrench when " dead angle " that causes during clamping work pieces and tooth bar engagement.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is that the D of Fig. 1 is to partial sectional view;
Fig. 3 is the upward view of screw rod 7;
Fig. 4 is the front view of screw rod 7.
The explanation of accompanying drawing drawing:
1 adjustable clamp; 2 fixing pincers; 3 regular jaw protectors; 4 screws; 5 little axles; 6 springs; 7 screw rods; 8 moving jaw protectors; 9 stop screws; 10 screwed holes.
With the letter representation is some position structure in the part:
A-screw rod 7 axial groove e portion right side thread profiles;
The end, both sides of a '-adjustable clamp 1 upper rack;
The axial mechanical compensation structure of b-screw rod 7 lower surfaces;
Guide rail on the fixing pincers 2 of c-;
Stopper slot on the d-adjustable clamp 1;
Axial groove on the e-screw rod 7;
γ-inclination angle.
In order to understand better and to implement, it is as follows with the accompanying drawing to be that embodiment further specifies below: the stopper slot d of certain-length is opened on the two sides on adjustable clamp 1, length is according to the stroke decision of pipe tongs wrench, on the guide rail C of fixing pincers 2, bore a screwed hole 10, stop screw 9 is passed screwed hole 10 be loaded in the stopper slot d, can limit the scope of activities of adjustable clamp 1 relative fixed pincers 2.When screw 9 heads when stopper slot d end on the adjustable clamp 1 contacts, the span of jaw maximum.Owing on screw rod 7, opened an axial groove e, promptly removed a part of screw thread on the screw rod 7, so just caused in the screw rod 7 right rotation processes on it screw thread motion discontinuous, when with screw rod 7 locking adjustable clamps 1, when jaw reaches a certain position (or certain several position), just use that part of screw thread that is removed when slotting on the screw rod 7 probably, if do not take measures, (skidding) phenomenon has just appearred locking in this several position, promptly occur at " dead angle ", because the existence at " dead angle ", just can not reach when adjustable clamp 1 is parked in optional position (promptly can be parked in arbitrarily at the opening of adjustable range internal clamp port and put), screw rod 7 all can be to its purpose of locking.Therefore adopted the axial mechanical compensation structure b of screw rod 7 lower surfaces, promptly in screw rod 7 lower ends, each helicoid of fixing pincers 2 contact positions, its pitch is slightly larger than the climb that removes screw thread when screw rod 7 is slotted, and the hand of spiral is left-handed.When turning screw rod 7 locking adjustable clamps 1,, thereby just compensated " dead angle " that screw rod 7 causes owing to the axis fluting in rotation process like this owing to screw rod 7 moves up along axis own again simultaneously.Because screw rod 7 slot vertically, when being meshed,, grind an oblique angle γ in slot the vertically right-hand part thread profile a portion (referring to accompanying drawing 3,4) of e of screw rod 7 owing to transverse tooth thickness is collided mutually and caused operational difficulty with adjustable clamp 1 tooth bar, 45 ° is best.Mesh position (during locking) the earliest with screw rod 7 on adjustable clamp 1 tooth bar and also grind an oblique angle γ, 45 ° is best, incline direction is opposite with screw thread on the screw rod 7, when so just having guaranteed that adjustable clamp 1 is parked in the optional position of scope of activities, screw rod 7 all can make the tooth on the adjustable clamp 1 mesh smoothly, thereby has avoided because transverse tooth thickness is collided mutually and caused operational difficulty.
When the utility model was done the adjustable wrench use: the protector plane on the fixing pincers 2 was downward, and adjustable clamp 1 linerless untouchable making progress is in the stopper slot d of stop screw 9 tightening cards on adjustable clamp 1.With the tooth bar on the groove alignment activity pincers 1 of screw rod 7, pulling adjustable clamp 1 slides into desired location fast along the guide rail C that fixes pincers 2, tightens screw rod 7, gets final product work.
When the utility model is done the pipe wrench use: with the tooth bar on the pincers of the groove alignment activity on the screw rod 71, unclamp stop screw 9 and break away from, take off adjustable clamp 1, back out on the fixing pincers 2 the fixedly screw 4 of protector 3 with stopper slot d, (flank of tooth is downward with protector 3 turn-overs, the inboard inclination of teeth directional jaw), is fixed on original position, with adjustable clamp 1 tune (the tooth protector being arranged) towards last with screw 4, be contained in the guide rail C of fixing pincers 2, tighten stop screw 9, can make pipe wrench and use, using method is identical when making adjustable wrench together.
The utility model can make series of products, to adapt to the needs of clamping work pieces.
Claims (3)
1, a kind of quick adjustment alligator wrench spanner, by the adjustable clamp (1) on the guide rail (C) that is contained in fixing pincers (2), moving jaw protector (8), regular jaw protector (3) uses screw (4) to be contained in adjustable clamp (1) respectively, on the fixing pincers (2), the little axle (5) of fixing pincers (2) is contained on the screw rod (7) that is provided with axial groove (e), in the nest on screw rod (7) top spring (6) is housed, it is characterized in that being provided with stopper slot (d) on the two sides of adjustable clamp (1), guide rail (C) at fixing pincers (2) locates to establish a screwed hole (10), be provided with axial mechanical compensation structure (b) in screw rod (7) bottom and fixing pincers (2) tooth bar contact position, the two side ends (a ') of the right-hand part thread profile place (a) of the axial groove (e) on screw rod (7) and adjustable clamp (1) upper rack meshes the position the earliest with screw rod (7) and establishes an inclination angle (γ).
2, by the described quick adjustment alligator wrench of claim 1 spanner, it is characterized in that axial mechanical compensation structure (b), promptly adopted a pair of left-hand screw face in screw rod (7) bottom and fixing pincers 2 contact positions.
3, by claim 1 or 2 described quick adjustment alligator wrench spanners, the two side ends (a ') that it is characterized in that the right-hand part thread profile place (a) of the axial groove (e) on screw rod (7) and adjustable clamp (1) upper rack and screw rod (7) mesh tilt angle gamma=45 at position the earliest ° for best.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93230344 CN2150974Y (en) | 1993-03-04 | 1993-03-04 | Fast adjusting shifting spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93230344 CN2150974Y (en) | 1993-03-04 | 1993-03-04 | Fast adjusting shifting spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2150974Y true CN2150974Y (en) | 1993-12-29 |
Family
ID=33807021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93230344 Expired - Fee Related CN2150974Y (en) | 1993-03-04 | 1993-03-04 | Fast adjusting shifting spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2150974Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109963692A (en) * | 2016-09-13 | 2019-07-02 | N·布查南 | Double jaw adjustable wrench |
-
1993
- 1993-03-04 CN CN 93230344 patent/CN2150974Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109963692A (en) * | 2016-09-13 | 2019-07-02 | N·布查南 | Double jaw adjustable wrench |
| US11173581B2 (en) | 2016-09-13 | 2021-11-16 | Nigel Buchanan | Dual jaw adjustable wrenches |
| CN109963692B (en) * | 2016-09-13 | 2023-02-17 | N·布查南 | Double-jaw adjustable wrench |
| EP3512665B1 (en) * | 2016-09-13 | 2025-03-26 | Nigel Buchanan | Dual jaw adjustable wrenches |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |