CN103075400B - Shear resistant quick adjusting threaded connection assembly and using method thereof - Google Patents
Shear resistant quick adjusting threaded connection assembly and using method thereof Download PDFInfo
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- CN103075400B CN103075400B CN201310028525.1A CN201310028525A CN103075400B CN 103075400 B CN103075400 B CN 103075400B CN 201310028525 A CN201310028525 A CN 201310028525A CN 103075400 B CN103075400 B CN 103075400B
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Abstract
The invention discloses a shear resistant quick adjusting threaded connection assembly and a using method thereof. The shear resistant quick adjusting threaded connection assembly comprises a bolt, a round pin, a nut, a spring, a drive pin and an adjusting barrel, wherein the round pin is arranged in a round pin hole; the spring is sleeved on the drive pin, and the spring and the drive pin are together arranged in a drive pin hole; a meshing cylinder in the drive pin is tightly combined with the drive pin hole; an inclined pin of the drive pin is sleeved with a chute on the round pin; the nut is arranged at the joint of the bolt and the adjusting barrel, and internal threads of the nut are meshed with external threads B in the adjusting barrel; and a tooth form adjusting groove in the nut is meshed with a flat ramp on the round pin. The invention has the beneficial effects that the difficulty in manufacturing a thin-wall part formed by the modern integral stamping forming technology is reduced, a strict requirement on an attractive appearance is met, a problem of safely connecting the bolt and the nut requiring quick adjustment is solved, and the shear resistant quick adjusting threaded connection assembly has the characteristics of high safety reliability and convenience for maintenance.
Description
Technical field
The present invention relates to a kind of anti-shearing quick adjustment screwed assembly and using method thereof, belong to and be fastenedly connected technical field.
Background technique
In high-speed aircraft Element Design, high performance fastening piece is very expensive, and a lot of high performance fastening pieces are all abroad blocked, and especially the high-performance fastening piece of military aircraft class cannot obtain relevant information especially.The industrial development of domestic process nearest decades, has possessed ability and the condition of research and development novel high-performance fastening piece.But considerably less at the fastening piece in the bolt and nut component field of quick adjustment, not nearly enough mechanical field application, seldom has the screwed assembly of regulatory function especially in the field of the firm embedding nut of needs.In the situation of the bolt and nut connection part of demand quick-detachment, common bolt and nut component formula cannot complete.In civilian industry, such as car door and the vehicle body of car are overall impact briquettings, multilayer need be fastenedly connected, and some position is that often dismounting detects, and also will meet mechanical property and appearance requirement.The most frequently used method is exactly that conventional bolt and nut is fastenedly connected, although such link is simple in structure, reliable and stable, and for the link of needs dismounting and maintenance, its deficiency is dismounting trouble, safeguards inconvenience, and shearing strength is inadequate, and inefficiency.For this reason, need a kind of anti-shearing quick adjustment screwed assembly addressing the above problem badly.
Summary of the invention
The object of the present invention is to provide a kind of anti-shearing quick adjustment screwed assembly and using method thereof, the function of quick adjustment can be provided, solve the positive mechanical connectivity problem at the thin-walled position of modern overall impact briquetting technology shaping.
The object of the invention is to be achieved through the following technical solutions: a kind of anti-shearing quick adjustment screwed assembly, it comprises bolt, straight pin, nut, spring, driving pin and Adjusting bolt Adjusting screw, wherein,
Bolt is made up of head and anti-shearing bar portion, anti-shearing bar portion comprises major part section and microcephaly's section, head and major part section link into an integrated entity, on the outer wall of microcephaly's section, be provided with outside thread A, the cylinder pin hole that major part section is provided with resigning hole and intersects vertically with resigning hole near one end of microcephaly's section, is provided with the transmission pin-and-hole being communicated with resigning hole in microcephaly's section;
Straight pin comprises shank, is provided with skewed slot peace sloping platform on shank;
Nut comprises reinforcing cylinder, and the one end that reinforces cylinder is provided with twisting hexagon head, reinforces in cylindrical cavity and is provided with profile of tooth regulating tank and internal thread B;
Driving pin by be in turn connected into one taper pin, round pin, engagement cylinder, guiding batter post and boss form;
The annular knurl body composition that Adjusting bolt Adjusting screw comprises swivel nut and connects as one with swivel nut, the outer surface of swivel nut is provided with outside thread B, is provided with the blind hole with internal thread A in the inner chamber of swivel nut, and the pitch of outside thread B and internal thread A equates;
Straight pin is arranged in cylinder pin hole, spring housing is contained in the upper of driving pin and is arranged on together in transmission pin-and-hole, engagement cylinder and transmission pin-and-hole in driving pin are combined closely, skewed slot socket on taper pin and the straight pin of driving pin, microcephaly's section of bolt is arranged in the blind hole of Adjusting bolt Adjusting screw and outside thread A and internal thread A engagement, nut is arranged on the internal thread B in joint and the nut of bolt and Adjusting bolt Adjusting screw and the engagement of the outside thread B in Adjusting bolt Adjusting screw, and the flat sloping platform on profile of tooth regulating tank and straight pin in nut is intermeshing.
The outer end of described microcephaly's section is provided with fluting closing in catch, and fluting closing in catch inwardly closes up in the mode of punching press, on fluting closing in catch, is provided with by the groove that line cuts or method for milling is offered, and the quantity of groove is 2～8.
Described spring comprises spring body, and two end surfaces of spring body are flat section.
Between described spring and transmission pin-and-hole, be provided with spring stop piece.
Described reinforcing cylinder is the cylindrical body that surface friction coefficient is larger.
Skewed slot on taper pin and the straight pin of described driving pin adopts identical angle, and its angle is 15 °～75 °.
A kind of using method of anti-shearing quick adjustment screwed assembly, first bolt is passed to plate to be connected, then in bolt, insert straight pin, in Adjusting bolt Adjusting screw, pack spring and driving pin into, after Adjusting bolt Adjusting screw being screwed into nut again, be screwed to again on bolt, to precalculated position, adopt impact style inwardly to close up installing the closing in catch of slotting after straight pin, spring and driving pin with hexagon wrench twisting nut.
A kind of using method of anti-shearing quick adjustment screwed assembly, first nut is mounted in the matrix of plate to be connected, in bolt, insert straight pin, then by straight pin inserting bolt, in Adjusting bolt Adjusting screw, pack spring and driving pin into, and then be screwed to again on bolt after Adjusting bolt Adjusting screw is screwed into nut, adopt impact style inwardly to close up installing the closing in catch of slotting after straight pin, spring and driving pin.
A kind of using method of anti-shearing quick adjustment screwed assembly, first nut is mounted in the matrix of plate to be connected, in Adjusting bolt Adjusting screw, pack spring and driving pin into, Adjusting bolt Adjusting screw is screwed into bolt, then insert nut through plate to be connected together, unscrew Adjusting bolt Adjusting screw, adopt impact style inwardly to close up installing the closing in catch of slotting after straight pin, spring and driving pin.
Beneficial effect of the present invention is: the manufacture difficulty that has reduced the thin-walled position of modern overall impact briquetting technology shaping, obtain again strict beautiful appearance requirement, and the problem that the breaker bolt nut that has solved demand quick adjustment connects, and there is safety reliability feature high, easy to maintenance.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of bolt of the present invention;
Fig. 3 is the structural representation of straight pin of the present invention;
Fig. 4 is the structural representation of nut of the present invention;
Fig. 5 is the structural representation of driving pin of the present invention;
Fig. 6 is the structural representation of Adjusting bolt Adjusting screw of the present invention;
Fig. 7 is the structural representation of spring of the present invention;
Fig. 8 is that the first of the present invention is used schematic diagram;
Fig. 9 is that the second of the present invention uses schematic diagram.
Wherein, 1-bolt, 101-head, 102-anti-shearing bar portion, 102a-major part section, 102b-microcephaly section, 103-cylinder pin hole, 104-outside thread A, 105-fluting closing in catch, 106-resigning hole, 107-spring stop piece, 108-transmission pin-and-hole, 2-straight pin, 201-shank, 202-skewed slot, the flat sloping platform of 203-, 3-nut, 301-reinforces cylinder, 302-twisting hexagon head, 303-profile of tooth regulating tank, 304-internal thread B, 4-spring, 401-spring body, the flat section of 402-, 5-driving pin, 501-taper pin, 502-round pin, 503-engages cylinder, the 504-batter post that leads, 505-boss, 6-Adjusting bolt Adjusting screw, 601-outside thread B, 602-annular knurl body, 603-internal thread A, 604-blind hole, 605-swivel nut, 7-plate to be connected.
Embodiment
Further describe technological scheme of the present invention below in conjunction with accompanying drawing, but described in claimed scope is not limited to.
As Fig. 1, a kind of anti-shearing quick adjustment screwed assembly, it comprises bolt 1, straight pin 2, nut 3, spring 4, driving pin 5 and Adjusting bolt Adjusting screw 6, wherein,
As Fig. 2, bolt 1 is made up of head 101 and anti-shearing bar portion 102, anti-shearing bar portion 102 comprises major part section 102a and microcephaly's section 102b, head 101 and major part section 102a link into an integrated entity, on the outer wall of microcephaly's section 102b, be provided with outside thread A104, the cylinder pin hole 103 that major part section 102a is provided with resigning hole 106 and intersects vertically with resigning hole 106 near one end of microcephaly's section 102b, is provided with the transmission pin-and-hole 108 being communicated with resigning hole 106 in microcephaly's section 102b;
As Fig. 3, straight pin 2 comprises shank 201, is provided with the peaceful sloping platform 203 of skewed slot 202 on shank 201;
As Fig. 4, nut 3 comprises reinforces cylinder 301, and the one end that reinforces cylinder 301 is provided with twisting hexagon head 302, reinforces in cylinder 301 inner chambers and is provided with profile of tooth regulating tank 303 and internal thread B304;
As Fig. 5, driving pin 5 by be in turn connected into one taper pin 501, round pin 502, engagement cylinder 503, guiding batter post 504 and boss 505 form;
As Fig. 6, Adjusting bolt Adjusting screw 6 comprises swivel nut 605 and forms with the annular knurl body 602 that swivel nut 605 connects as one, the outer surface of swivel nut 605 is provided with outside thread B601, is provided with the blind hole 604 with internal thread A603 in the inner chamber of swivel nut 605, and the pitch of outside thread B601 and internal thread A603 equates;
Straight pin 2 is arranged in cylinder pin hole 103, spring 4 is sleeved on the upper of driving pin 5 and is arranged on together in transmission pin-and-hole 108, engagement cylinder 503 in driving pin 5 is combined closely with transmission pin-and-hole 108, skewed slot 202 on taper pin 501 and the straight pin 2 of driving pin 5 is socketed, microcephaly's section 102b of bolt 1 is arranged in the blind hole 604 of Adjusting bolt Adjusting screw 6 and outside thread A104 and internal thread A603 engagement, nut 3 is arranged on the internal thread B304 in joint and the nut 3 of bolt 1 and Adjusting bolt Adjusting screw 6 and the engagement of the outside thread B601 in Adjusting bolt Adjusting screw 6, profile of tooth regulating tank 303 in nut 3 is intermeshing with the flat sloping platform 203 on straight pin 2.
The outer end of described microcephaly's section 102b is provided with fluting closing in catch 105, fluting closing in catch 105 inwardly closes up to prevent that driving pin 5 from outwards coming off in the mode of punching press, on fluting closing in catch 105, be provided with by the groove that line cuts or method for milling is offered, the quantity of groove is 2～8.
As Fig. 7, described spring 4 comprises spring body 401, and two end surfaces of spring body 401 are flat section 402.
Between described spring 4 and transmission pin-and-hole 108, be provided with spring stop piece 107.
Described reinforcing cylinder 301 is the cylindrical body that surface friction coefficient is larger.
Skewed slot 202 on taper pin 501 and the straight pin 2 of described driving pin 5 adopts identical angle, and its angle is 15 °～75 °, and the direction that has changed like this power is for vertical, thereby the high and low position that can control straight pin 2 is controlled unclamping with locked of nut.
Using method of the present invention mainly comprises following several:
As Fig. 8, a kind of using method of anti-shearing quick adjustment screwed assembly, first bolt 1 is passed to plate 7 to be connected, then in bolt 1, insert straight pin 2, in Adjusting bolt Adjusting screw 6, pack spring 4 and driving pin 5 into, after Adjusting bolt Adjusting screw 6 being screwed into nut 3 again, be screwed to again on bolt 1, to precalculated position, adopt impact style inwardly to close up installing straight pin 2, spring 4 and the rear fluting closing in of driving pin 5 catch 105 with hexagon wrench twisting nut 3.
As Fig. 9, a kind of using method of anti-shearing quick adjustment screwed assembly, first nut 3 is mounted in the matrix of plate 7 to be connected, in bolt 1, insert straight pin 2, then by straight pin 2 inserting bolts 1, in Adjusting bolt Adjusting screw 6, pack spring 4 and driving pin 5 into, and then be screwed to again on bolt 1 after Adjusting bolt Adjusting screw 6 is screwed into nut 3, adopt impact style inwardly to close up installing straight pin 2, spring 4 and the rear fluting closing in of driving pin 5 catch 105.
A kind of using method of anti-shearing quick adjustment screwed assembly, first nut 3 is mounted in the matrix of plate 7 to be connected, in Adjusting bolt Adjusting screw 6, pack spring 4 and driving pin 5 into, Adjusting bolt Adjusting screw 6 is screwed into bolt 1, then insert nut 3 through plate 7 to be connected together, unscrew Adjusting bolt Adjusting screw 6, adopt impact style inwardly to close up installing straight pin 2, spring 4 and the rear fluting closing in of driving pin 5 catch 105.
Compared with prior art, because the outside thread B601 of Adjusting bolt Adjusting screw 6 is equal with the pitch of internal thread A603, in the time twisting Adjusting bolt Adjusting screw 6, nut 3 keeps static, control the high and low position of driving pin 5 by twisting Adjusting bolt Adjusting screw 6, utilize flat sloping platform 203 high and low positions of straight pin 2 to control with the profile of tooth regulating tank 303 of nut 3 and engage, thus locking nut 3.
Claims (8)
1. an anti-shearing quick adjustment screwed assembly, it is characterized in that: it comprises bolt (1), straight pin (2), nut (3), spring (4), driving pin (5) and Adjusting bolt Adjusting screw (6), wherein
Bolt (1) is made up of head (101) and anti-shearing bar portion (102), anti-shearing bar portion (102) comprises major part section (102a) and microcephaly's section (102b), head (101) and major part section (102a) link into an integrated entity, on the outer wall of microcephaly's section (102b), be provided with outside thread A (104), the cylinder pin hole (103) that major part section (102a) is provided with resigning hole (106) and intersects vertically with resigning hole (106) near one end of microcephaly's section (102b), in microcephaly's section (102b), be provided with the transmission pin-and-hole (108) being communicated with resigning hole (106),
Straight pin (2) comprises shank (201), is provided with the peaceful sloping platform of skewed slot (202) (203) on shank (201);
Nut (3) comprises reinforces cylinder (301), the one end that reinforces cylinder (301) is provided with twisting hexagon head (302), reinforces in cylinder (301) inner chamber and is provided with profile of tooth regulating tank (303) and internal thread B (304);
Driving pin (5) is made up of the taper pin (501), round pin (502), engagement cylinder (503), guiding batter post (504) and the boss (505) that are in turn connected into one;
Annular knurl body (602) composition that Adjusting bolt Adjusting screw (6) comprises swivel nut (605) and connects as one with swivel nut (605), the outer surface of swivel nut (605) is provided with outside thread B (601), in the inner chamber of swivel nut (605), be provided with the blind hole (604) of band internal thread A (603), the pitch of outside thread B (601) and internal thread A (603) equates;
Straight pin (2) is arranged in cylinder pin hole (103), spring (4) is sleeved on the upper of driving pin (5) and is arranged on together in transmission pin-and-hole (108), engagement cylinder (503) in driving pin (5) is combined closely with transmission pin-and-hole (108), skewed slot (202) socket on taper pin (501) and the straight pin (2) of driving pin (5), microcephaly's section (102b) of bolt (1) is arranged in the blind hole (604) of Adjusting bolt Adjusting screw (6) and outside thread A (104) and internal thread A (603) engagement, nut (3) is arranged on the internal thread B (304) in joint and the nut (3) of bolt (1) and Adjusting bolt Adjusting screw (6) and the engagement of the outside thread B (601) in Adjusting bolt Adjusting screw (6), profile of tooth regulating tank (303) in nut (3) is intermeshing with the flat sloping platform (203) on straight pin (2).
2. anti-shearing quick adjustment screwed assembly according to claim 1, it is characterized in that: the outer end of described microcephaly's section (102b) is provided with fluting closing in catch (105), fluting closing in catch (105) inwardly closes up in the mode of punching press, on fluting closing in catch (105), be provided with by the groove that line cuts or method for milling is offered, the quantity of groove is 2～8.
3. anti-shearing quick adjustment screwed assembly according to claim 1, it is characterized in that: described spring (4) comprises spring body (401), two end surfaces of spring body (401) are flat section (402).
4. anti-shearing quick adjustment screwed assembly according to claim 1, is characterized in that: between described spring (4) and transmission pin-and-hole (108), be provided with spring stop piece (107).
5. anti-shearing quick adjustment screwed assembly according to claim 1, it is characterized in that: the skewed slot (202) on taper pin (501) and the straight pin (2) of described driving pin (5) adopts identical angle, and its angle is 15 °～75 °.
6. the using method of an anti-shearing quick adjustment screwed assembly, it is characterized in that: first bolt (1) is passed to plate to be connected (7), then in bolt (1), insert straight pin (2), in Adjusting bolt Adjusting screw (6), pack spring (4) and driving pin (5) into, after Adjusting bolt Adjusting screw (6) being screwed into nut (3) again, be screwed to again on bolt (1), with hexagon wrench twisting nut (3) to precalculated position, installing straight pin (2), after spring (4) and driving pin (5), fluting closing in catch (105) adopts impact style inwardly to close up.
7. the using method of an anti-shearing quick adjustment screwed assembly, it is characterized in that: first nut (3) is mounted in the matrix of plate to be connected (7), in bolt (1), insert straight pin (2), in Adjusting bolt Adjusting screw (6), pack spring (4) and driving pin (5) into, and then be screwed to again bolt (1) above after Adjusting bolt Adjusting screw (6) is screwed into nut (3), installing inwardly closing in of fluting closing in catch (105) employing impact style after straight pin (2), spring (4) and driving pin (5).
8. the using method of an anti-shearing quick adjustment screwed assembly, it is characterized in that: first nut (3) is mounted in the matrix of plate to be connected (7), in bolt (1), insert straight pin (2), in Adjusting bolt Adjusting screw (6), pack spring (4) and driving pin (5) into, Adjusting bolt Adjusting screw (6) is screwed into bolt (1), then insert nut (3) through plate to be connected (7) together, unscrew Adjusting bolt Adjusting screw (6), installing straight pin (2), after spring (4) and driving pin (5), fluting closing in catch (105) adopts impact style inwardly to close up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310028525.1A CN103075400B (en) | 2013-01-24 | 2013-01-24 | Shear resistant quick adjusting threaded connection assembly and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310028525.1A CN103075400B (en) | 2013-01-24 | 2013-01-24 | Shear resistant quick adjusting threaded connection assembly and using method thereof |
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| Publication Number | Publication Date |
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| CN103075400A CN103075400A (en) | 2013-05-01 |
| CN103075400B true CN103075400B (en) | 2014-11-19 |
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| CN201310028525.1A Active CN103075400B (en) | 2013-01-24 | 2013-01-24 | Shear resistant quick adjusting threaded connection assembly and using method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398055A (en) * | 2013-08-08 | 2013-11-20 | 贵州航天精工制造有限公司 | Anti-shearing-type quick adjustment threaded connection assembly and connection method thereof |
| CN104088879B (en) * | 2014-06-30 | 2016-04-06 | 于昊 | A kind of composite screws of encryption and matching used screw-driver assembly |
| CN105114437A (en) * | 2015-07-31 | 2015-12-02 | 河南航天精工制造有限公司 | Self-locking bolt |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88102990A (en) * | 1987-05-26 | 1988-12-14 | 西马洲际股份公司 | rod connector |
| DE8602853U1 (en) * | 1986-02-05 | 1996-08-29 | Bayer, Irene, 7300 Esslingen | Connections for flexible mounting system |
| JP2598679B2 (en) * | 1988-05-31 | 1997-04-09 | 株式会社妙徳 | Fixing device |
| US6234735B1 (en) * | 1999-09-07 | 2001-05-22 | Otto Ganter Gmbh & Co. Kg | Spring-loaded compression and tension pin |
| CN201908925U (en) * | 2010-12-02 | 2011-07-27 | 贵州航太精密制造有限公司 | Quick release lock used on airplane hatch cover |
| CN203176095U (en) * | 2013-01-24 | 2013-09-04 | 贵州航天精工制造有限公司 | Shearing-resisting type rapid adjusting threaded connecting assembly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0717023D0 (en) * | 2007-09-01 | 2007-10-10 | Torque Tension Systems Ltd | A device for locking a first component to a second |
-
2013
- 2013-01-24 CN CN201310028525.1A patent/CN103075400B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8602853U1 (en) * | 1986-02-05 | 1996-08-29 | Bayer, Irene, 7300 Esslingen | Connections for flexible mounting system |
| CN88102990A (en) * | 1987-05-26 | 1988-12-14 | 西马洲际股份公司 | rod connector |
| JP2598679B2 (en) * | 1988-05-31 | 1997-04-09 | 株式会社妙徳 | Fixing device |
| US6234735B1 (en) * | 1999-09-07 | 2001-05-22 | Otto Ganter Gmbh & Co. Kg | Spring-loaded compression and tension pin |
| CN201908925U (en) * | 2010-12-02 | 2011-07-27 | 贵州航太精密制造有限公司 | Quick release lock used on airplane hatch cover |
| CN203176095U (en) * | 2013-01-24 | 2013-09-04 | 贵州航天精工制造有限公司 | Shearing-resisting type rapid adjusting threaded connecting assembly |
Non-Patent Citations (1)
| Title |
|---|
| JP第2598679号B2 1997.01.09 * |
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