CN2242763Y - Structure-improved ratchet wrench - Google Patents
Structure-improved ratchet wrench Download PDFInfo
- Publication number
- CN2242763Y CN2242763Y CN 95222100 CN95222100U CN2242763Y CN 2242763 Y CN2242763 Y CN 2242763Y CN 95222100 CN95222100 CN 95222100 CN 95222100 U CN95222100 U CN 95222100U CN 2242763 Y CN2242763 Y CN 2242763Y
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- bending
- intermediate plate
- spacing
- spanner
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Abstract
The utility model relates to a structure-improved ratchet wrench, comprising two clamping pieces, and one end of each clamping piece is bended with an angle forming a bending segment and is provided with a circular hole which is pivoted on a ratchet wheel; a base is arranged on a flat segment; one end of the base is provided with a long slot and a spring for pushing a block body; the block body can push the back end of a shifting block; the block teeth of the front end of the shifting block can clamped the ratchet wheel which is pivoted on bending segment; the bending segments of two clamping pieces of the same end have same lengths; the flat segments also have the same lengths. The spacing of two bending segments of the same end is greater than the spacing of the flat segments; the spacing of two flat segments is equal to the product of the spacing of two bending segments and the cosine of the bending angle; the spacing of the flat segments of two clamping pieces is less than the spacing of two bending segments. Two clamping pieces with same lengths and appearances can be obtained; the manufacturing man-hours and the part feed preparation can be saved.
Description
The utility model relates to a kind of ratchet spanner, particularly relates to a kind of make simple, few structurally improved ratchet spanner of getting the raw materials ready.
The plate reversible ratcheting tool of generally commonly using, see also Figure 1 and Figure 2, it includes two flat intermediate plates 11,12, a pedestal 13, places ratchet 14, the slide block 15 between two intermediate plates, 11,12 two ends and places slide block 15 and element such as the spring 16 of 13 of pedestals and steel ball 17, and utilize rivet 18 with the said elements composition spanner that combines, the spacing between two intermediate plates 11,12 of this spanner is identical.
See also shown in Figure 3, it commonly uses the bending type reversible ratcheting tool for another kind, this spanner is a bending spanner of having improved above-mentioned flat spanner, two intermediate plates 41 of this spanner, 42 reverse bending one angles and be the ratchet spanner part of bending at its two ends respectively, but, because its technical conceive still follows the structure of Figure 1 and Figure 2 spanner, and the spacing that is confined between original two intermediate plates need keep certain design, promptly, central authorities' handle part two intermediate plates 41, spacing between 42 equals the distance between the two ends bending ratchet portions, so that pedestal 43 is by two intermediate plates 41 of handle part, after 42 riveteds were fixing, its ratchet 44 that is articulated in the two ends bending segment still remained with clearance and is rotated.Therefore, for above-mentioned spanner is made up, as shown in Figure 3, the second bending segment 41B of intermediate plate 41 must be prolonged, make its ratchet 44 that can be pivoted jointly with the second bending segment 42B of another intermediate plate 42, and the first bending segment 42A of intermediate plate 42 is prolonged, make its ratchet 44 that can be pivoted jointly with the first bending segment 41A of intermediate plate 41, so make that the length M of the first bending segment 41A of intermediate plate 41 is different with the length N of the first bending segment 42A of intermediate plate 42, and the length 0 of the second bending segment 41B of intermediate plate 41 is different with the length P of the second bending segment 42B of intermediate plate 42, so, could make up two intermediate plates 41 smoothly, 42, total length is identical so spanner must be made two kinds and intermediate plate 41 that bending segment length is different, 42, so not only increased the man-hour and the expense of making and mould, also increased getting the raw materials ready of part simultaneously.
See also shown in Figure 4, commonly use for another kind and to have the bending type ratchet spanner that protects edge, this spanner is to be provided with one to protect edge 5 along what be located at that pedestal one between upper and lower intermediate plate extends outside upper and lower intermediate plate periphery, and so that preferable outward appearance to be provided, but it still need use the different intermediate plate of bending segment length.
Main purpose of the present utility model is, overcome the deficiencies in the prior art, and provide a kind of structurally improved ratchet spanner, make this spanner to be different from the design philosophy of above-mentioned bending type spanner, plate spanner is improved, less than the distance between two bending segments,, so have in the time of to save worker and effect that part is got the raw materials ready by the spacing between central flat straight section two intermediate plates to obtain length, identical two intermediate plates of profile.
The purpose of this utility model is realized by following technical scheme.A kind of structurally improved ratchet spanner, it includes: two intermediate plates, respectively at least one end of this intermediate plate bends an angle and forms bending segment, and be provided with the circular port that is pivoted for ratchet at this bending segment, between two intermediate plate flat segments one pedestal be set, this pedestal one end is provided with an elongated slot, and in elongated slot, be provided with a spring, this spring also supports and compels a block body, and to the rear end under the pressure of a slide block, the retaining tooth of this slide block front end fastens the ratchet that is hubbed between two intermediate plate bending segments with this block body; It is characterized in that: the bending segment of same end two intermediate plates of this spanner has identical length, and the flat segments of this two intermediate plate also has identical length, spacing between same end two bending segments of this spanner and greater than the spacing between two intermediate plate flat segments, and the spacing between two flat segments equals the cosine that spacing between two bending segments multiply by bending angle.
The purpose of this utility model can also further realize by following technical measures.Aforesaid structurally improved ratchet spanner, its two ends of wherein said two intermediate plates oppositely bend an angle respectively and form bending segment.Aforesaid structurally improved ratchet spanner, it is extended the edge that protects that is provided with a corresponding coating intermediate plate periphery wherein said pedestal by rear and front end and dual side-edge, and two intermediate plates peripheries just becomes a plane that trims with pedestal, and this protects edge and is installed with breach at two slide blocks, two side positions.Aforesaid structurally improved ratchet spanner, wherein said pedestal one end is provided with open-end wrench, the other end is provided with the elongated slot of ammunition feed spring and steel ball setting, this pedestal is arranged in two intermediate plates with ratchet, and be provided with two location slotted holes in the flat segments of this intermediate plate respectively, and respectively this intermediate plate also is respectively equipped with the slotted hole that cooperates the pedestal locating hole, with rivet up and down riveted fix, and be provided with one and protect the outer rim that edge is coated on two intermediate plates, ratchet spanner and open-end wrench are combined as a whole.
The utility model compared with prior art has tangible advantage and good effect.By above technical scheme as can be known, it mainly is made up of the structurally improved ratchet spanner of the utility model elements such as two intermediate plates, a pedestal, two ratchets, two slide blocks, two springs and two block bodies up and down, because the spacing between the central flat straight section of two intermediate plates is less than the spacing of two bending segments, and can obtain length, identical two intermediate plates of profile, and obtain the relation that cosine that spacing between two bending segments multiply by bending angle equals the spacing between two flat segments, in the time of so can saving worker and part get the raw materials ready.Since its adopted two identical and have an intermediate plate of bending angle, event can be saved all manufacturing process, the expense of another sheet intermediate plate in the known spanner and be got the raw materials ready, therefore the utility model has more cost-effective newly-increased effect except can reaching the effect identical with known spanner.
In sum, spanner of the present utility model is to be different from the design philosophy of aforementioned bending type spanner, plate spanner is improved, by feat of the spacing between central flat straight section two intermediate plates less than the distance between two bending segments, can obtain length, identical two intermediate plates of profile, so have in the time of to save worker and effect that part is got the raw materials ready, it really can reach its intended purposes and effect, thereby be suitable for producing practical more, the utility model is that initiative did not appear and really belonged in like product again, is the new design of a novelty, practicality in fact.
Concrete structure of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Fig. 1 is an exploded perspective view of commonly using plate ratchet spanner.
Fig. 2 is a side view of commonly using plate shaped ratchet spanner.
Fig. 3 is a side view of commonly using the bending type ratchet spanner.
Fig. 4 commonly uses the stereogram with the bending type ratchet spanner that protects edge.
Fig. 5 is the exploded perspective view of the utility model first embodiment.
Fig. 6 is the cutaway view of the utility model first embodiment.
Fig. 7 is an assembly relation analysis chart of commonly using the bending type spanner.
Fig. 8 is the assembly relation analysis chart of the utility model first embodiment.
Fig. 9 is the stereogram of the utility model second embodiment.
Figure 10 is the cutaway view of the utility model second embodiment.
Figure 11 is the partial enlarged drawing of A part among Figure 10.
Below in conjunction with accompanying drawing and preferred embodiment, to concrete structure, feature and effect thereof according to the structurally improved ratchet spanner that the utility model proposes, describe in detail as after.
See also shown in Figure 5ly, be first embodiment of the structurally improved ratchet spanner of the utility model, it is made up of above-mentioned known elements such as two intermediate plates 21,22, a pedestal 23, two ratchets 24, two slide blocks 25, two springs 26 and two block bodies 27 up and down.
Respectively the two ends of this intermediate plate 21,22 oppositely bend an angle respectively and form the first bending segment 21A, 22A and the second bending segment 21B, 22B, and the length Q of the first bending segment 21A of this intermediate plate 21 equals the length R of the first bending segment 22A of this intermediate plate 22; The length S of the second bending segment 21B of this intermediate plate 21 equals the length T of the second bending segment 22B of this intermediate plate 22.
Respectively this bending segment is provided with circular port 21C, 21D, 22C, the 22D that is pivoted for ratchet 24.
Between two intermediate plates, 21,21 flat segments, one pedestal 23 is set, this pedestal 23 by rear and front end and dual side-edge extend be provided with one corresponding coat the intermediate plate periphery protect edge 231, and the periphery of two intermediate plates 21,22 just and pedestal 23 medial surface that protects edge 231 become a plane that trims, this protects edge 231 and is installed with breach 232 at 25 liang of side positions of two slide blocks, and protects edge 231 holds bending segment at two ends medial margin and be respectively equipped with two positioning convex points 233.
By above-mentioned each first spanner of forming with rivet 28 riveteds as shown in Figure 6, it compels upper and lower two intermediate plates 21,22 with positioning convex point 233 tops, make the ratchet 24 of bending segment have pivotable space, and the spacing e of two intermediate plates 21,22 between neutral straight handle part is less than the first bending segment 21A, the 22A of two ends bending and the spacing f between the second bending segment 21B, 22B.
Should point out especially, see also shown in Figure 7, this commonly uses the bending type spanner, the spacing W2 of the ratchet portions that equals to bend for the spacing W1 that makes straight handle part, therefore, the neutral straight section of this intermediate plate 41 and intermediate plate 42 must upper and lower abreast setting, makes the second bending segment 41B of intermediate plate 41 must extend one section forward, and its end is trimmed mutually with the second bending segment 42B of intermediate plate 42; In like manner, the first bending segment 42A of this intermediate plate 42 must extend one section forward, and the first bending segment 41A of its end and intermediate plate 41 is trimmed, and so, just can make the spacing of 41,42 of whole spanner two intermediate plates all identical.
See also shown in Figure 8, this figure is the analysis chart of the assembly structure relation of the utility model spanner, elder generation is with two intermediate plates 21 of two equal length, an end H of 22 goes up abreast, the following setting, and get first I and form a suitable length with respectively as the first bending segment 21A, 22A, this moment, the H-H line parallel was in the I-I line, again with this first select I serve as the fixed point simultaneously with two intermediate plates 21,22 upwards bend an angle θ, this angle θ is 25 degree in the present embodiment, get second J-shaped again and become one section suitable length, with respectively as a flat segments 21C, 22C, this moment, the I-I line also was parallel to the J-J line, be fixed point with these two second J respectively more at last, two dull and stereotyped intermediate plates 21 with residue length, 22 bend an angle θ identical with above-mentioned angle downwards, with as the second bending segment 21B, 22B, so form and make the first bending segment 21A, the 22A and the second bending segment 21B, 22B parallels, and the second bending segment 21B, the end points K-K line of 22B and J-J line, I-I line and H-H line parallel, and make the crooked place of bending segment and flat segments produce a special triangle relation, promptly, when bending segment with θ angle (25 degree) when bending, can obtain triangle relation figure as shown in Figure 8, if intermediate plate 21, the 22 first curved section of tearing open 21A, when the spacing of 22A is Y unit (2cm), the spacing of this flat segments only have Z unit (2 * cos25 °=1.8cm), so can learn the handle part flat segments 21C of this spanner, the spacing of 22C is less than first bending segment and the second bending segment 21A, 22A, 21B, the spacing of 22B.
Therefore, the bending segment and the spacing between the flat segments of upper and lower two intermediate plates 21,22 of the utility model have following special relationship:
(spacings between two bending segments) * (cosine of bending angle)=(spacings between two flat segments).
Spanner of the present utility model, owing to adopt different with the design concept of the bending type ratchet spanner of commonly using the plate ratchet spanner of improvement, no longer be confined to intermediate plate for the two different bending segment length of reaching uniform distances, but it is a kind of with brand-new design philosophy, a kind of to produce with identical appearance, two intermediate plates of bending segment length are core, on this two intermediate plate, the following corresponding and spanner formed, its spacing of handle that can make its flat segments is less than the spacing of its two ends bending segment, but, this thin handle can't influence its intensity, because the force direction that is subjected to of handle is horizontal width segments but not thickness part longitudinally, and thin handle also can not have influence on the globality of spanner.Moreover under the bigger situation of resistance, the ratchet portions that the operator can be gripped on the other end is the application of force in addition, and this arm of force length is identical with known length, so can not reduce result of use.
Spanner of the present utility model, since adopted two identical and have an intermediate plate of bending angle, event can be saved all manufacturing process, the expense of another sheet intermediate plate in the known spanner and be got the raw materials ready, therefore the utility model has more cost-effective newly-increased effect except that can reaching the effect identical with known spanner.
See also Fig. 9 and shown in Figure 10, second embodiment of the present utility model, it is a kind of combined type spanner, it places two intermediate plates 31,32 with a pedestal 3, and pedestal 3 one ends are an open-end wrench 33, the other end is the elongated slot 36 for providing spring 34 and steel ball 35 to be provided with then, and intermediate plate 31,32 also is respectively equipped with the slotted hole 311,321 that cooperates locating hole 37 on the pedestal 3, passed riveted by being allowed rivet 38 fixes, coat one again and protect edge 39, and then reach the purpose that ratchet spanner and open-end wrench are combined as a whole.
The fixing principle of its riveted is after the circular port axial alignment with bending segment, make this two intermediate plate 31,32 slotted hole 311,321 present, following dislocation relation, its structural relation is for as shown in figure 11, the left side of the slotted hole 311 of intermediate plate 31, right-hand end 312,313 with the left side of the slotted hole 321 of intermediate plate 32, right-hand end 322,323 line is to be parallel to the end that its bending segment trims, therefore, the vertical line of the right-hand end 313 of the slotted hole 311 of intermediate plate 31 is positioned at the location slotted hole 321 of intermediate plate 32, relatively, the vertical line of the left-hand end 322 of the location slotted hole 321 of intermediate plate 32 is positioned at the location slotted hole 311 of intermediate plate 31, so cause the left-hand end 322 of locating slotted holes 321 to intermediate plate 32 to have a vertical intermediate plate 31 at the right-hand end 313 of intermediate plate 31 location slotted holes 311,32 spacing, and this spacing equals the diameter of the locating hole 37 of pedestal 3 just, make rivet 38 can pass the slotted hole 311 of this intermediate plate 31, the locating hole 37 of pedestal 3 and being fixed in the slotted hole 321 of intermediate plate 32, make the left side of rivet 38, right flank is contacted with the left-hand end 322 of the slotted hole 321 of the right-hand end 313 of slotted hole 311 of intermediate plate 31 and intermediate plate 32 respectively, can cover slotted hole 311 after flattening with rivet 38 larger-diameter heads again, 321.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is imposed any restrictions, every foundation technical spirit of the present utility model changes any simple modification, change and the equivalent structure that above embodiment did, and all still belongs in the scope of technical solutions of the utility model.
Claims (4)
1. structurally improved ratchet spanner, it includes: two intermediate plates, respectively at least one end of this intermediate plate bends an angle and forms bending segment, and be provided with the circular port that is pivoted for ratchet at this bending segment, between two intermediate plate flat segments one pedestal be set, this pedestal one end is provided with an elongated slot, and in elongated slot, be provided with a spring, this spring also supports and compels a block body, and to the rear end under the pressure of a slide block, the retaining tooth of this slide block front end fastens the ratchet that is hubbed between two intermediate plate bending segments with this block body; It is characterized in that:
The bending segment of same end two intermediate plates of this spanner has identical length, and the flat segments of this two intermediate plate also has identical length, spacing between same end two bending segments of this spanner and greater than the spacing between two intermediate plate flat segments, and the spacing between two flat segments equals the cosine that spacing between two bending segments multiply by bending angle.
2. structurally improved ratchet spanner according to claim 1 is characterized in that its two ends of wherein said two intermediate plates oppositely bend an angle respectively and form bending segment.
3. structurally improved ratchet spanner according to claim 1, it is characterized in that wherein said pedestal it is extended the edge that protects that is provided with a corresponding coating intermediate plate periphery by rear and front end and dual side-edge, and two intermediate plates peripheries just becomes a plane that trims with pedestal, and this protects edge and is installed with breach at two slide blocks, two side positions.
4. according to the described structurally improved ratchet spanner of arbitrary claim in the claim 1 to 3, it is characterized in that wherein said pedestal one end is provided with open-end wrench, the other end is provided with the elongated slot of ammunition feed spring and steel ball setting, this pedestal is arranged in two intermediate plates with ratchet, and be provided with two location slotted holes in the flat segments of this intermediate plate respectively, and respectively this intermediate plate also is respectively equipped with the slotted hole that cooperates the pedestal locating hole, fix with riveted about the rivet, and be provided with one and protect the outer rim that edge is coated on two intermediate plates, ratchet spanner and open-end wrench are combined as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95222100 CN2242763Y (en) | 1995-09-27 | 1995-09-27 | Structure-improved ratchet wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95222100 CN2242763Y (en) | 1995-09-27 | 1995-09-27 | Structure-improved ratchet wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2242763Y true CN2242763Y (en) | 1996-12-18 |
Family
ID=33869529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95222100 Expired - Lifetime CN2242763Y (en) | 1995-09-27 | 1995-09-27 | Structure-improved ratchet wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2242763Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104369144A (en) * | 2014-10-31 | 2015-02-25 | 无锡市安捷脚手架有限公司 | Bolt tightening device |
| CN106217291A (en) * | 2016-08-15 | 2016-12-14 | 杭州维多利机械有限公司 | A kind of Combined wrench |
| CN106956231A (en) * | 2016-01-08 | 2017-07-18 | 傑贸工业股份有限公司 | Ratchet spanner with high torsion reinforcing structure |
| CN106956230A (en) * | 2016-01-08 | 2017-07-18 | 傑贸工业股份有限公司 | Ratchet spanner with high torsion reinforcing structure |
| CN108435849A (en) * | 2018-03-20 | 2018-08-24 | 常州奥斯迈医疗器械有限公司 | The bending machine moulding for Reconstruction plate bending |
-
1995
- 1995-09-27 CN CN 95222100 patent/CN2242763Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104369144A (en) * | 2014-10-31 | 2015-02-25 | 无锡市安捷脚手架有限公司 | Bolt tightening device |
| CN104369144B (en) * | 2014-10-31 | 2016-09-21 | 江苏华夏重工有限公司 | A kind of fastener for bolt |
| CN106956231A (en) * | 2016-01-08 | 2017-07-18 | 傑贸工业股份有限公司 | Ratchet spanner with high torsion reinforcing structure |
| CN106956230A (en) * | 2016-01-08 | 2017-07-18 | 傑贸工业股份有限公司 | Ratchet spanner with high torsion reinforcing structure |
| CN106217291A (en) * | 2016-08-15 | 2016-12-14 | 杭州维多利机械有限公司 | A kind of Combined wrench |
| CN108435849A (en) * | 2018-03-20 | 2018-08-24 | 常州奥斯迈医疗器械有限公司 | The bending machine moulding for Reconstruction plate bending |
| CN108435849B (en) * | 2018-03-20 | 2023-12-22 | 常州奥斯迈医疗器械有限公司 | Bending device for rebuilding bending shaping of bone fracture plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |