CN101890690A - Effort-saving wrench socket and manufacturing method thereof - Google Patents
Effort-saving wrench socket and manufacturing method thereof Download PDFInfo
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- CN101890690A CN101890690A CN 201010211310 CN201010211310A CN101890690A CN 101890690 A CN101890690 A CN 101890690A CN 201010211310 CN201010211310 CN 201010211310 CN 201010211310 A CN201010211310 A CN 201010211310A CN 101890690 A CN101890690 A CN 101890690A
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- effort
- sleeve
- wrench socket
- socket
- support arm
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Abstract
The invention, belonging to automobile repair tool, discloses an effort-saving wrench socket, specifically an effort-saving wrench socket and a manufacturing method thereof, the socket is arranged at the periphery of a planetary carrier gear set, the lower part of the inner wall of the socket and the planetary carrier gear set constitute a transmission pair, the upper part of the socket is in sliding fit with a front output large lever set, and a support arm is arranged on the surface of the outer wall of the socket; and the support arm adopts a complex structure in which connecting sheets are provided with inner support frames in a clamping manner. The manufacturing method thereof comprises the technological steps of: manufacturing the connecting sheets with steel plates, forming the supporting arm with complex structure by means of the fixed connection of the inner support frames; manufacturing the socket and achieving fit connection between the supporting arm and the socket, and assembling the planetary carrier gear set and the front output large lever set on the inner wall of the socket, etc. The wrench socket according to the invention solves the problems of large possibility of gear hobbing and impact on service life of product in the prior art. The wrench socket also has the advantage that the supporting arm has large bending strength and long service life.
Description
Technical field
The invention belongs to grease monkey, is the labour-saving spanner annex.A kind of effort-saving wrench socket and preparation method thereof specifically.
Background technology
Labour-saving spanner is by crank, drives the planet carrier gear train, and through three-step gear shift, the big thick stick of preceding output is imported first end cover windward big gun head, the first end of wind big gun is inserted in the doughnut nut then, another nut of support arm confutation shakes rocking bar, and both forward and reverse directions can become flexible nut or tighten.Because automobile tonnage is too big now, need the female bed knife of tire screw to strengthen, boosting-rod can't reach the strength requirement of dismounting doughnut nut in the past, so generally all use doughnut labour-saving spanner dismounting nut instead.
The labour-saving spanner cylindrical shell in market adopts disposable casting now, comprise stack shell and support arm, when casting, have unavoidably in the sand mold aqueous vapor or when casting molten iron flow to the influence that is subjected to temperature and aqueous vapor, the stack shell of casting has bubble unavoidably, trachoma, because small-sized Foundry Works equipment is not up to standard, molten iron is manually to dissolve with leftover bits and pieces and trace element, so raw material quality is difficult to guarantee, because smart cast steel goes out wax pattern technology with Wax mold and limit, support arm can only the I-shaped structure, the support arm root changes its course because of molten iron, and thickness is thick again, is easy to form the cavity, because support arm need bear the torsion of total outputting power when work when casting, stressed very big, and the stressed maximum of root, so disconnected arm phenomenon is arranged in use, it is oval that barrel distortion becomes.Because of the barrel distortion ellipse causes between internal tooth circle and the planet carrier gear train gap inconsistent, if design is accurate, the planet carrier gear train that deflection is big can't be packed into and work, thus when design gear centre apart from being forced to increasing.Oscillate between three groups of planetary gearsets during work, the interlock unbalance stress, face of gear can not parallel interlock, make autophage power big, cause the labour-saving spanner can not be really laborsaving, and be easy to gear hobbing, had a strong impact on the service life of product, even the stack shell fracture.
Summary of the invention
The object of the present invention is to provide a kind of support arm with big bending strength, the on-deformable effort-saving wrench socket of stack shell and preparation method thereof.
Overall technology design of the present invention is:
Effort-saving wrench socket, sleeve are arranged at planet carrier gear train periphery, and its inwall bottom and planet carrier gear train constitute transmission, and the big thick stick suit of upper cartridge and preceding output is slidingly matched, and support arm is arranged at the sleeve outer wall surface; Described support arm adopts by the brace folder and establishes the composite construction that an interior frame is formed.Wherein brace adopts with the assembling mode of interior frame and comprises the mode of fixedlying connected or other integrated molding mode that is welded to connect, and does not all break away from essence of the present invention.
The preparation method of effort-saving wrench socket comprises following processing step:
A, adopt steel stamping part to make brace,, behind the frame, brace and interior frame are assembled into support arm in curving with mould then with in the steel plate punching press frame steel part;
B, make sleeve, and support arm and sleeve are connected;
C, planet carrier gear train and the big thick stick of preceding output are assemblied in the sleeve.
Concrete technical conceive of the present invention and technical scheme are:
Composite construction can be selected the structure of the various ways of being made up of interior frame and brace for use, does not all break away from essence of the present invention.Wherein comparatively common and preferred construction is, composite construction is selected for use by brace and interior the composite construction that frame is composed of a fixed connection, and interior frame adopts the quality steel plate stamping parts to bend the frame structure of formation; More preferred mode is, adopts with large pressing machine cold extrusion reinforcement on the brace surface, makes the increase of gaining in strength of steel plate interior tissue density.Composite construction can also select for use by interior frame and brace is composed of a fixed connection and section is the composite construction of " worker " font.
For guaranteeing the intensity of sleeve, be convenient to its making, optimized technical scheme is that sleeve adopts segmentation structure, comprises the coaxial upper bush that is fastenedly connected of head and the tail, lower sleeve.Can it is evident that, can also pass through the coaxial fixedly assembling of an adapter sleeve between upper bush, the lower sleeve, realize above-mentioned assembling purpose by adopting interference fit and two kinds of welding manners of accurate frock.
For making the lower sleeve surface have skidproof effect, the lower sleeve outer surface is provided with shoe.This shoe can adopt the anti-skidding line that is provided with at the lower sleeve outer surface, perhaps adopts the tubing of square-outside and round-inside to make lower sleeve.The seamless steel pipe that is adopted in the making of lower sleeve both can be selected common pipe for use, also can adopt the tubing of square-outside and round-inside, can play like this to have stronger support force, can not be used in its surface simultaneously and carry out anti-skidding processing.
Assembling between support arm and the upper bush outer surface can be adopted multiple mode; wherein comparatively commonly fixing assembling or along the sleeve axial sliding fit; comprising directly support arm being welded in the upper bush surface for making common labour-saving spanner; on; weld with support arm again after the lower sleeve welding; bulk heat treatmet then; both removed the internal stress that waits generation because of welding; make stack shell become an organic whole again; bulk strength and uniformity have been improved; adopt electrophoresis or electroplating technology technology to carry out surface treatment (also can adopt other surface treatment mode) afterwards, obtain more effective protection inside and outside making whole cylindrical shell.Support arm can also be welded in the sliding sleeve surface, then sliding sleeve and upper bush are adopted axial suit slidable fit (by sliding sleeve and upper bush surface key is cooperated or adopting the upper bush of foreign side and adaptive with it means such as sliding sleeve realization), like this can dismounting the nut (nuts of dismantled and assembled other equipment) of different high and low positions, genus can be debugged and use labour-saving spanner more.All do not break away from essence of the present invention.
The step B of the preparation method of effort-saving wrench socket makes upper bush and lower sleeve respectively, then with coaxial being fastenedly connected of upper and lower sleeve head and the tail.The assembling mode that can adopt is including, but not limited to interference fit and two kinds of welding manners of accurate frock.
The making of described upper bush is that to select seamless steel pipe (square-outside and round-inside tubing) for use be raw material, at an end of the upper bush adjacent with lower sleeve behind the head that expands, at the end finish turning cylindrical tack of head that expands.Can it is evident that square tube material in adopting (interior pipe material also can) is made and also can be realized the present invention, promptly the inner surface port at upper bush is provided with interior cover, realizes and being rotatably assorted of the big thick stick of preceding output, and does not break away from essence of the present invention.
For guaranteeing the precision of internal tooth, adjust centre-to-centre spacing between the gear simultaneously, realize the engagement of full-depth tooth balanced and reasonable between the gear, the making of lower sleeve is that to select seamless steel pipe for use be raw material, inside and outside circle fine finishining, two ends car mouth is used the cold drawn internal tooth of broaching tool again.
Substantive distinguishing features that the present invention is obtained and significant technological progress are:
1, because the support arm composite construction that a frame and brace are formed in having adopted increases the bending strength of support arm greatly, avoided the generation of curved boom, disconnected arm phenomenon.The structural design of reinforcement, make support arm structural strength further be improved.
2, the design of the segmentation structure of sleeve and moulding process thereof is effectively ensured the precision of internal tooth, has adjusted the centre-to-centre spacing between the gear simultaneously, makes gear clearance reasonable.Guarantee between the gear the balanced engagement of full-depth tooth, improved the intensity of sleeve stack shell, prolonged product service life significantly, solved the technical barrier of gear hobbing, stack shell fracture.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present invention.
Fig. 2 is a support arm and the schematic diagram that cooperates of upper bush.
Fig. 3 is that support arm cooperates schematic diagram with the another kind of upper bush.
Fig. 4 is that the A-A of Fig. 3 is to view.
Reference numeral in the accompanying drawing is as follows:
1, reinforcement 2, brace 3, upper bush 4, the big thick stick 5 of preceding output, lower sleeve
6, planet carrier gear train 7, sliding sleeve 8, anti-skidding line 9, interior frame 10, interior cover
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described further; but should not be construed as limitation of the invention; protection scope of the present invention is as the criterion with the content of claims records, and the replacement of any equivalence techniques means of having done according to this specification does not all break away from essence of the present invention.
The overall structure of present embodiment is shown in Fig. 1,3,4, its middle sleeve is arranged at planet carrier gear train 6 peripheries, its inwall bottom and planet carrier gear train 6 constitute transmission, and big thick stick 4 suits of upper cartridge and preceding output are slidingly matched, and support arm is arranged at the sleeve outer wall surface; The support arm employing clamps the compound frame structure that a frame 9 is formed in the welding by the brace 2 that surface pressure is shaped on reinforcement 1.
The preparation method of effort-saving wrench socket comprises following processing step:
A, make brace 2 by steel stamping part, again with large pressing machine with the mould reinforcement of on brace 2, colding pressing, with in the steel plate punching press frame steel part, behind the shaped as frame shape, be welded into support arm in curving with mould then;
B, making sleeve are fixedlyed connected support arm with the sleeve outer surface welding
C, planet carrier gear train and the big thick stick of preceding output are assemblied in the sleeve.
Sleeve adopts segmentation structure, comprises the coaxial upper bush that is fastenedly connected 3 of head and the tail, lower sleeve 5.Realize above-mentioned assembling purpose by adopting the interference fit welding manner.
Assembling between support arm and upper bush 3 surfaces can be adopted multiple mode; wherein comparatively commonly fixing assembling or along upper bush 3 axial sliding fits; as Fig. 1; shown in 3; comprise and be directly welded in upper bush 3 surfaces; make common labour-saving spanner; on; weld with support arm again after the lower sleeve welding; then it is carried out bulk heat treatmet; both removed the internal stress that waits generation because of welding; make stack shell become an organic whole again; improve bulk strength and uniformity, adopted electrophoresis or electroplating technology technology to carry out surface treatment afterwards, obtained more effective protection inside and outside making whole cylindrical shell.
The step B of the preparation method of effort-saving wrench socket makes upper bush 3 and lower sleeve 5 respectively, then with coaxial being fastenedly connected of upper and lower sleeve head and the tail.That adopts is assembled into the interference fit welding manner.
The making of described upper bush 3 is that to select seamless steel pipe for use be raw material, at an end of the upper bush 3 adjacent with lower sleeve 5 behind the head that expands, at the end finish turning cylindrical tack of head that expands.Realize being rotatably assorted by interior cover 10 between the big thick stick 4 of upper bush 3 and preceding output.
For guaranteeing the precision of internal tooth, adjust centre-to-centre spacing between the gear simultaneously, realize between the gear that full-depth tooth balanced and reasonable, the making of lower sleeve 5 are that to select seamless steel pipe for use be raw material, inside and outside circle fine finishining, two ends car mouth is used the cold drawn internal tooth of broaching tool again.
The tube-in-tube structure of present embodiment as shown in Figure 2, wherein the tubing of the making of upper bush 3 employing square-outside and round-inside is raw material, support arm is cooperated with sliding sleeve 7 welding, and with sliding sleeve 7 and upper bush surface axially suit cooperate, can realize the nut (nuts of dismantled and assembled other equipment) of the different high and low positions of energy dismounting, genus can be debugged and use labour-saving spanner more.All the other are with embodiment 1.
Claims (10)
1. effort-saving wrench socket, sleeve is arranged at planet carrier gear train (6) periphery, and its inwall bottom and planet carrier gear train (6) constitute transmission, and upper cartridge and the big thick stick of preceding output (4) suit are slidingly matched, and support arm is arranged at the sleeve outer wall surface; It is characterized in that described support arm adopt establish by brace (2) folder in the composite construction formed of a frame (9).
2. effort-saving wrench socket according to claim 1 is characterized in that described composite construction is selected for use by brace (2) surface to be provided with reinforcement (1).
3. effort-saving wrench socket according to claim 1 is characterized in that described composite construction section is " worker " font.
4. effort-saving wrench socket according to claim 1 is characterized in that described sleeve adopts segmentation structure, comprises the head and the tail coaxial upper bush that is fastenedly connected (3), lower sleeve (5).
5. effort-saving wrench socket according to claim 4 is characterized in that described lower sleeve (5) outer surface is provided with shoe.
6. effort-saving wrench socket according to claim 1 is characterized in that selecting for use between described support arm and upper bush (3) outer surface fixing assembling or a kind of along in the sleeve axial sliding fit.
7. the preparation method of effort-saving wrench socket according to claim 1 is characterized in that comprising following processing step:
A, adopt steel stamping part to make brace (2),, behind the frame, brace (2) and interior frame (9) are assembled into support arm in curving with mould then with in the steel plate punching press frame (9) steel part;
B, make sleeve, and support arm and sleeve are connected;
C, planet carrier gear train and the big thick stick of preceding output are assemblied in the sleeve.
8. the preparation method of effort-saving wrench socket according to claim 7 is characterized in that also being included in the described steps A with large pressing machine with the mould reinforcement of colding pressing on brace (2), is welded as a whole with interior frame (9) then.
9. the preparation method of effort-saving wrench socket according to claim 7 is characterized in that described step B makes upper bush (3), lower sleeve (5) respectively, then with coaxial being fastenedly connected of upper and lower sleeve head and the tail; Wherein the making of upper bush (3) is that to select seamless steel pipe for use be raw material, at an end of the upper bush adjacent with lower sleeve behind the head that expands, at the end finish turning cylindrical tack of head that expands.
10. the preparation method of effort-saving wrench socket according to claim 9, the making that it is characterized in that described lower sleeve (5) they are that to select seamless steel pipe or square-outside and round-inside tubing for use be raw material, interior round fine finishining, and two ends car mouth is used the cold drawn internal tooth of broaching tool again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010211310XA CN101890690B (en) | 2010-06-29 | 2010-06-29 | Effort-saving wrench socket and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010211310XA CN101890690B (en) | 2010-06-29 | 2010-06-29 | Effort-saving wrench socket and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101890690A true CN101890690A (en) | 2010-11-24 |
| CN101890690B CN101890690B (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010211310XA Expired - Fee Related CN101890690B (en) | 2010-06-29 | 2010-06-29 | Effort-saving wrench socket and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101890690B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105829030A (en) * | 2013-12-13 | 2016-08-03 | 喜利得股份公司 | Production method for a tool holder |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5576241A (en) * | 1978-12-02 | 1980-06-09 | Flash Seiki Kk | Change gear for nut runner |
| JPH03196977A (en) * | 1989-12-15 | 1991-08-28 | John K Junkers | Power wrench |
| CN2312988Y (en) * | 1997-07-25 | 1999-04-07 | 宜兴市华能轻质建材有限公司 | Reinforced composite plate |
| CN2516314Y (en) * | 2001-12-24 | 2002-10-16 | 潘扶升 | Vice structure |
| DE202004010202U1 (en) * | 2004-06-30 | 2004-09-02 | Klann-Spezial-Werkzeugbau-Gmbh | Puller jig for removing joints from press fit mountings has two coaxial rings held by a support bracket and with a separate brace to strengthen the jig and prevent distortion |
| CN2642461Y (en) * | 2003-08-29 | 2004-09-22 | 刘恒 | Power wrench |
| US20070056408A1 (en) * | 2005-09-14 | 2007-03-15 | Brian Knopp | Torque wrench with quick-release gear set |
| CN2912924Y (en) * | 2005-11-24 | 2007-06-20 | 徐长福 | Labor saving spanner with non-impulse type structure |
| CN2917962Y (en) * | 2006-04-19 | 2007-07-04 | 衡阳市锦衡工具有限公司 | Nut and bolt fast dismounting labor saving spanner |
| CN2936593Y (en) * | 2006-08-14 | 2007-08-22 | 胡建峰 | Power saving spanner |
| CN201711918U (en) * | 2010-06-29 | 2011-01-19 | 杨国福 | Labor-saving wrench sleeve |
-
2010
- 2010-06-29 CN CN201010211310XA patent/CN101890690B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5576241A (en) * | 1978-12-02 | 1980-06-09 | Flash Seiki Kk | Change gear for nut runner |
| JPH03196977A (en) * | 1989-12-15 | 1991-08-28 | John K Junkers | Power wrench |
| CN2312988Y (en) * | 1997-07-25 | 1999-04-07 | 宜兴市华能轻质建材有限公司 | Reinforced composite plate |
| CN2516314Y (en) * | 2001-12-24 | 2002-10-16 | 潘扶升 | Vice structure |
| CN2642461Y (en) * | 2003-08-29 | 2004-09-22 | 刘恒 | Power wrench |
| DE202004010202U1 (en) * | 2004-06-30 | 2004-09-02 | Klann-Spezial-Werkzeugbau-Gmbh | Puller jig for removing joints from press fit mountings has two coaxial rings held by a support bracket and with a separate brace to strengthen the jig and prevent distortion |
| US20070056408A1 (en) * | 2005-09-14 | 2007-03-15 | Brian Knopp | Torque wrench with quick-release gear set |
| CN2912924Y (en) * | 2005-11-24 | 2007-06-20 | 徐长福 | Labor saving spanner with non-impulse type structure |
| CN2917962Y (en) * | 2006-04-19 | 2007-07-04 | 衡阳市锦衡工具有限公司 | Nut and bolt fast dismounting labor saving spanner |
| CN2936593Y (en) * | 2006-08-14 | 2007-08-22 | 胡建峰 | Power saving spanner |
| CN201711918U (en) * | 2010-06-29 | 2011-01-19 | 杨国福 | Labor-saving wrench sleeve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105829030A (en) * | 2013-12-13 | 2016-08-03 | 喜利得股份公司 | Production method for a tool holder |
| CN105829030B (en) * | 2013-12-13 | 2017-08-15 | 喜利得股份公司 | Manufacture method for tool holder |
| US10232499B2 (en) | 2013-12-13 | 2019-03-19 | Hilti Aktiengesellschaft | Production method for a tool socket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101890690B (en) | 2012-07-04 |
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