CN100509297C - Torsional unit - Google Patents
Torsional unit Download PDFInfo
- Publication number
- CN100509297C CN100509297C CNB2007100783092A CN200710078309A CN100509297C CN 100509297 C CN100509297 C CN 100509297C CN B2007100783092 A CNB2007100783092 A CN B2007100783092A CN 200710078309 A CN200710078309 A CN 200710078309A CN 100509297 C CN100509297 C CN 100509297C
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- main shaft
- cover
- connects
- sleeve
- spring
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Abstract
The torsional unit has one adaptor bush with a notch in its one end adapting the output shaft of one air gun, one main shaft with one end connected to the adaptor bush, one sleeve on the main shaft, one pin shaft through the main shaft radially, one regulating jacket on the main shaft, and one spring between the regulating jacket and the main shaft. The torsional unit is used for screwing in connecting thread pair in required torsional moment and high assembling efficiency.
Description
Technical field
The present invention relates to a kind of power twister, be used for threaded connectors such as bolt, nut are rotated by turning tool and tighten.
Background technology
In assembling, maintenance and the dismounting of mechanical industry, often need to twist to tear bolt or nut open.When screw elements such as bolt, nut are rotated when tightening by turning tool (bottle opener, gas plate rifle etc.), must be at the requirement of screw element specification and prefastening load, carry out with appropriate torsion, thereby this screw element can positively be tightened, but be unlikely to cause damage because of turning tool applies too big torsion.Excessive torsion can make that also screw element bears too high prefastening load simultaneously, thereby reduces the external force load upper limit that it can bear.
In motorcycle assembling industry, generally use gas plate rifle, connecting rod and sleeve double thread auxiliary connection to be connected fastening.During assembling, the output shaft of gas plate rifle inserts in the connecting rod one end corresponding groove, the other end of connecting rod stretches into from of sleeve, the other end of sleeve is enclosed within on the spiral shell head of nut or bolt, the torsion that gas plate rifle output shaft rotates is delivered on the spiral shell head of nut or bolt by connecting rod and sleeve successively, makes it to rotate and two parts to be tightened are tightened in together.Fastening degree between the parts is held by rule of thumb by the workman, needing in accordance with regulations for some, the moment of torsion of size carries out fastening important being threaded, because that the air pressure of gas plate rifle baric systerm is difficult to is constant, the wearing and tearing of gas plate rifle self and the influence that is subjected to assembler's qualification, on assembly line, be difficult to reach the torque demand of regulation.Though can detect the size of the moment of torsion that applies by manual torque spanner in some occasion, manually torque spanner can only detect the moment of torsion that applies less than the situation of prescribed torque, and inoperative during greater than prescribed torque for applying moment of torsion.Like this in case institute's moment of torsion that applies above the requirement of prescribed torque, cause easily that parts to be tightened deform, galled spots even bolt turn around, not only shortened the service life of parts, but also can cause doing over again ressembling, thus the production efficiency of greatly reducing.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of can be accurately the power twister of moment of torsion threaded together auxiliary connection according to the rules.
Technical scheme of the present invention is as follows: a kind of power twister, comprise main shaft, connect cover, bearing pin, sleeve pipe, spring and regulating sleeve, wherein offer the groove that adapts with gas plate rifle output shaft at one that connects cover, the other end kink that connects cover is on an end of main shaft, and the other end of this main shaft is a gengon; Overlap tubing on the main shaft that connects the cover next door, described sleeve pipe is provided with the clutch tooth of interlock mutually with the opposite end that connects cover; Bearing pin upwards passes the axle body of main shaft from the footpath, two of this bearing pin is arranged in the skewed slot of sleeve pipe opposite side correspondence; Described regulating sleeve also is sleeved on the main shaft, and an end of regulating sleeve is enclosed within the outside of sleeve pipe, and the other end is connected with spindle thread, mounting spring between regulating sleeve and main shaft, and the two ends of this spring are respectively by the confined planes axial limiting of sleeve pipe and regulating sleeve endoporus.
When the present invention is used in accordance with regulations moment of torsion threaded together auxiliary connection, the output shaft of gas plate rifle inserts to connect and puts in the corresponding groove, the gengon end of main shaft and the endoporus of sleeve adapts and stretch into from of sleeve, the other end of sleeve is sleeved on the spiral shell head of nut or bolt, and sleeve pipe is in interlocking pattern with the clutch tooth that connects the cover opposite end under the effect of spring force.Overlap around main axis rotation by the requirement control and regulation of assembly technology this moment, to change the decrement of spring, make the moment of spring action on sleeve pipe just in time equal the moment of torsion of stipulating, control the work of gas plate rifle then, the output shaft of gas plate rifle drives and connects the cover rotation, connect cover and rotate by the moving sleeve pipe of clutch cingulum, sleeve pipe passes to main shaft by bearing pin with moment of torsion again, is transferred torque on the pair that is threaded by sleeve by main shaft at last.When acting on when connecing the screw-down torque that puts and reaching the prescribed torque of setting, sleeve pipe and the clutch tooth that connects the cover opposite end begin to skid, and send " rattling away " sound, and prompting workman moment of torsion has reached requirement, has avoided screw-down torque excessive or too small; Connect the prescribed torque that the screw-down torque that puts has surpassed setting if act on, then the force balance on the sleeve pipe is broken, bearing pin will slide along the skewed slot on the sleeve pipe, make sleeve pipe move and compress spring towards the direction of spring, therefore, sleeve pipe is thrown off from interlocking pattern with the clutch tooth that connects the cover opposite end, when throwing off, send " rattling away " sound, note with the prompting workman.Dally with the output shaft of gas plate rifle and connect cover.
Power twister of the present invention can guarantee moment of torsion threaded together auxiliary connection according to the rules, avoided because of applying the generation that moment of torsion surpasses phenomenons such as part distortion to be tightened, galled spots and bolt that prescribed torque causes turn around, ensureing screw element service life and can bearing impregnable while of the upper limit of external force load, improved efficiency of assembling greatly.
On the confined planes of above-mentioned regulating sleeve endoporus, offer locating slot, little spring and steel ball are installed in this locating slot successively, contact by the equally distributed triangular groove of circumference on described steel ball and the spring end face.Grasp regulating sleeve and make it, can adjust the thrust of spring, thereby adjust the size of moment of torsion that power twister transmits around main axis rotation, when regulating sleeve rotates, the triangular groove friction of steel ball and spring end face can be sent " rattling away " sound, is carrying out the adjusting of prescribed torque with the prompting workman.
The end of the above-mentioned regulating sleeve end of thread is the conical surface, is evenly distributed with the moment of torsion graduation mark by circumference on this conical surface; Direction at the axle body upper edge of described main shaft axial line also is provided with the moment of torsion graduation mark.Moment of torsion graduation mark on the regulating sleeve combines with moment of torsion graduation mark on the main shaft, can reflect the size of regulating moment of torsion, adjusts by the requirement of assembly technology when being convenient to the workman and using.
The above-mentioned cover that connects is connected with main shaft by screw, and screw is arranged in and connects cover, and connects between cover and the main shaft and can relatively rotate.Connect and install simply between cover and the main shaft, screw is arranged in and connects cover, connects cover and main shaft while in relative rotation not influencing, and has ensured that the profile of power twister is more attractive in appearance.
In order better to transmit moment of torsion, do not change the structure of existing gas plate rifle and sleeve, the above-mentioned groove that puts that connects is a regular hexagon, the outer end of main shaft is positive hexahedron.
The invention has the beneficial effects as follows:
1, can be accurately according to the rules moment of torsion threaded together auxiliary connection, avoided the excessive or too small problem of screw-down torque.
2, effectively prevented because of applying the generation that moment of torsion surpasses phenomenons such as part distortion to be tightened, galled spots and bolt that prescribed torque causes turn around.
3, ensure service life of screw element and can to bear the upper limit of external force load unaffected, improved efficiency of assembling greatly.
4, novel in design, easy to adjust, handle simply, the occasion that needs moment of torsion in accordance with regulations to carry out screw threads for fastening at motorcycle streamline and other all is suitable for.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is an outline drawing of the present invention.
Fig. 3 is the I portion enlarged drawing of Fig. 1.
Fig. 4 is the A-A cutaway view of Fig. 1.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples:
As Fig. 1, Fig. 2 and shown in Figure 4, the present invention by main shaft 1, connect parts such as cover 2, screw 9, bearing pin 3, sleeve pipe 4, spring 5, regulating sleeve 6, little spring 7 and steel ball 8 and constitute, wherein offer the regular hexagon groove 2a that adapts with gas plate rifle output shaft at one that connects cover 2, the other end kink that connects cover 2 is on an end of main shaft 1, connect the cover 2 with main shaft 1 between be connected by screw 9, screw 9 is arranged in and connects cover 2, the axial line that meets cover 2, main shaft 1 and screw 9 threes overlaps, and connects between cover 2 and the main shaft 1 and can relatively rotate.Described main shaft 1 is positive hexahedron away from an end that connects cover 2, and this positive hexahedron is corresponding with the endoporus of the sleeve that transmits torsion.Sleeve pipe 4 is positioned at the next door that connects cover 2 and is sleeved on the main shaft 1, be provided with the clutch tooth 10 of interlock mutually in sleeve pipe 4 and the opposite end that connects cover 2, when clutch tooth 10 was in interlocking pattern, gas plate rifle output shaft acted on the torsion that connects on the cover 2 and passes to sleeve pipe 4 by the clutch tooth; When clutch tooth 10 was in released state, gas plate rifle output shaft overlapped 2 idle running with connecing, and no longer transmits torsion to sleeve pipe 4.
As can be known, bearing pin 3 upwards passes the axle body of main shaft 1 from the footpath from Fig. 1, Fig. 2, Fig. 3, and two of this bearing pin 3 is arranged in the skewed slot 4a of sleeve pipe 4 opposite side correspondences.When acting on when connecing the torsion of cover on 2 and passing to sleeve pipe 4 by clutch tooth 10, sleeve pipe 4 passes to main shaft 1 by bearing pin 3 with torsion.Described regulating sleeve 6 also is sleeved on the main shaft 1, and an end of regulating sleeve 6 is enclosed within the outside of sleeve pipe 4, and the other end is threaded with main shaft 1.Mounting spring 5 in the endoporus of regulating sleeve 6, and these spring 5 kinks are on main shaft 1, and an end of spring 5 is by sleeve pipe 4 axial limitings, and the other end of spring 5 is by the confined planes axial limiting of regulating sleeve 6 endoporus.Hold regulating sleeve 6 and make it to change the decrement of spring 5, thereby adjust the size of moment of torsion that power twister transmits around main shaft 1 rotation.On the confined planes of described regulating sleeve 6 endoporus, offer locating slot, little spring 7 is installed in this locating slot, between little spring 7 and spring 5, be provided with steel ball 8, the part ball body of steel ball 8 is arranged in locating slot, and spring 5 is evenly distributed with triangular groove by circumference on the end face of steel ball 8, steel ball 8 under the effect of little spring 7 elastic force all the time with the end face butt of spring 5.
Can find out further that from Fig. 2 the end of regulating sleeve 6 ends of thread is the conical surface, be evenly distributed with moment of torsion graduation mark 6a by circumference on this conical surface; Direction at the axle body upper edge of described main shaft 1 axial line also is provided with moment of torsion graduation mark 1a, and the next door of this moment of torsion graduation mark 1a indicates the value corresponding parameter.Moment of torsion graduation mark 6a on the regulating sleeve 6 combines with moment of torsion graduation mark 1a on the main shaft 1, can reflect the size of regulating moment of torsion, adjusts by the requirement of assembly technology when being convenient to the workman and using.
The present invention is like this work: the output shaft of gas plate rifle inserts and connects on the cover 2 among the corresponding groove 2a, the gengon end of main shaft 1 stretches into from of sleeve, the other end of sleeve is sleeved on the spiral shell head of nut or bolt, and sleeve pipe 4 is in interlocking pattern with the clutch tooth 10 that connects cover 2 opposite ends under the effect of spring 5 elastic force.This moment, the requirement control and regulation cover 6 by assembly technology rotated around main shaft 1, to change the decrement of spring 5, make spring 5 act on moment on the sleeve pipe 4 and just in time equal the moment of torsion stipulated, control the work of gas plate rifle then, the output shaft of gas plate rifle drives and connects cover 2 rotations, connect cover 2 and drive sleeve pipe 4 rotations by clutch tooth 10, sleeve pipe 4 passes to main shaft 1 by bearing pin 3 with moment of torsion again, is transferred torque on the pair that is threaded by sleeve by main shaft 1 at last.When acting on when connecing the screw-down torque of cover on 2 and reaching the prescribed torque of setting, sleeve pipe 4 and the clutch tooth 10 that connects cover 2 opposite ends begin to skid, and send " rattling away " sound, and prompting workman moment of torsion has reached requirement, has avoided screw-down torque excessive or too small; Surpassed the prescribed torque of setting if act on the screw-down torque that connects on the cover 2, then the force balance on the sleeve pipe 4 is broken, bearing pin 3 will slide along the skewed slot on the sleeve pipe 4, make sleeve pipe 4 move and compress spring 5 towards the direction of spring 5, therefore, sleeve pipe 4 and the clutch tooth 10 that connects cover 2 opposite ends are thrown off from interlocking pattern, when throwing off, send " rattling away " sound, note, dally and connect cover 2 output shafts with gas plate rifle with the prompting workman.
Claims (5)
1, a kind of power twister, it is characterized in that: it comprises main shaft (1), connects cover (2), bearing pin (3), sleeve pipe (4), spring (5) and regulating sleeve (6), wherein offer the groove (2a) that adapts with gas plate rifle output shaft at one that connects cover (2), the other end kink that connects cover (2) is on an end of main shaft (1), and the other end of this main shaft (1) is a gengon; Go up cover tubing (4) at the main shaft (1) that connects cover (2) next door, described sleeve pipe (4) and the opposite end that connects cover (2) are provided with the clutch tooth of the mutual interlock of energy; Bearing pin (3) upwards passes the axle body of main shaft (1) from the footpath, two of this bearing pin (3) is arranged in the skewed slot (4a) of sleeve pipe (4) opposite side correspondence; Described regulating sleeve (6) also is sleeved on the main shaft (1), one end of regulating sleeve (6) is enclosed within the outside of sleeve pipe (4), the other end is threaded with main shaft (1), mounting spring (5) between regulating sleeve (6) and main shaft (1), the two ends of this spring (5) are respectively by the confined planes axial limiting of sleeve pipe (4) and regulating sleeve (6) endoporus.
2, power twister according to claim 1, it is characterized in that: on the confined planes of described regulating sleeve (6) endoporus, offer locating slot, little spring (7) and steel ball (8) are installed in this locating slot successively, are contacted by the equally distributed triangular groove of circumference on described steel ball (8) and spring (5) end face.
3, power twister according to claim 1 and 2 is characterized in that: the end of described regulating sleeve (6) end of thread is the conical surface, is evenly distributed with moment of torsion graduation mark (6a) by circumference on this conical surface; Direction at the axle body upper edge of described main shaft (1) axial line also is provided with moment of torsion graduation mark (1a).
4, power twister according to claim 1 is characterized in that: the described cover (2) that connects is connected with main shaft (1) by screw (9), and screw (9) is arranged in and connects cover (2), and connects between cover (2) and the main shaft (1) and can relatively rotate.
5, according to claim 1 or 4 described power twisters, it is characterized in that: the described groove (2a) that connects on the cover (2) is a regular hexagon, and the outer end of main shaft (1) is positive hexahedron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100783092A CN100509297C (en) | 2007-03-20 | 2007-03-20 | Torsional unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100783092A CN100509297C (en) | 2007-03-20 | 2007-03-20 | Torsional unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101020305A CN101020305A (en) | 2007-08-22 |
| CN100509297C true CN100509297C (en) | 2009-07-08 |
Family
ID=38708221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100783092A Expired - Fee Related CN100509297C (en) | 2007-03-20 | 2007-03-20 | Torsional unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100509297C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110877318B (en) * | 2019-11-19 | 2024-06-28 | 安徽阖煦微波技术有限公司 | Moment adjusting sleeve for debugging filter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87207486U (en) * | 1987-09-12 | 1988-04-27 | 钱关顺 | Combined serewdriver |
| US20050274230A1 (en) * | 2004-06-14 | 2005-12-15 | Chorng-Jiang Lin | Torque adjustable tool |
| US20060016300A1 (en) * | 2003-09-10 | 2006-01-26 | Felo-Werkzeugfabrik Holland-Letz Gmbh | Screwdriver with adjustable device to limit transmitted torque |
| CN2782316Y (en) * | 2005-03-15 | 2006-05-24 | 常州运达新科技研发有限公司 | Torque control and driving gear of sleeper bolt power spanner |
| US20070039425A1 (en) * | 2005-08-16 | 2007-02-22 | Wang Chun F | Screwdriver with torque setting mechanism |
-
2007
- 2007-03-20 CN CNB2007100783092A patent/CN100509297C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87207486U (en) * | 1987-09-12 | 1988-04-27 | 钱关顺 | Combined serewdriver |
| US20060016300A1 (en) * | 2003-09-10 | 2006-01-26 | Felo-Werkzeugfabrik Holland-Letz Gmbh | Screwdriver with adjustable device to limit transmitted torque |
| US20050274230A1 (en) * | 2004-06-14 | 2005-12-15 | Chorng-Jiang Lin | Torque adjustable tool |
| CN2782316Y (en) * | 2005-03-15 | 2006-05-24 | 常州运达新科技研发有限公司 | Torque control and driving gear of sleeper bolt power spanner |
| US20070039425A1 (en) * | 2005-08-16 | 2007-02-22 | Wang Chun F | Screwdriver with torque setting mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101020305A (en) | 2007-08-22 |
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| 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: 20090708 Termination date: 20190320 |