CN101487490B - Bolt connection piece locked by suit bolt nut - Google Patents
Bolt connection piece locked by suit bolt nut Download PDFInfo
- Publication number
- CN101487490B CN101487490B CN2009100584774A CN200910058477A CN101487490B CN 101487490 B CN101487490 B CN 101487490B CN 2009100584774 A CN2009100584774 A CN 2009100584774A CN 200910058477 A CN200910058477 A CN 200910058477A CN 101487490 B CN101487490 B CN 101487490B
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- bolt
- nut
- wall
- connection piece
- suit
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Abstract
The invention discloses a bolt connection piece locked by a sleeved bolt nut. In the bolt connection piece, a thread plug of a bolt is provided with a locking groove, a nut sleeve is embedded nearby an outer wall body of the nut, a locking hole for opposite penetration of an inner wall and an outer wall is arranged inside the wall body of the nut, a compression spring and a dead bolt are arranged inside the locking hole, the dead bolt is propped back to the inside of the locking hole when the nut is screwed to rotate on the thread of the bolt, the dead bolt is pushed and propped out of the locking hole by the compression spring to be combined with the locking groove when the nut is screwed tight on the bolt, thus the nut can not be loosened on the bolt. The bolt connection piece can not cause the nut to fall off due to long-term vibration of mechanical power. The nut sleeve is only needed to be pulled down in the case of needing loosening the bolt, meanwhile, the bolt connection piece is also applicable to the bolt connection piece with left-handed connection.
Description
Technical field:
The present invention relates to a kind of bolt connection piece, specifically, the present invention is a kind of bolt connection piece with the suit bolt nut lock.
Background technique:
Known bolt connection piece is made up of bolt, nut, packing ring.In bolt connected, though nut is twisted very tightly, in the mechanokinetic motion, because long-term vibration, nut also can loose or dislocation, and then causes getting loose of component of machine, or leads to a disaster, and jeopardizes safety.So, to take place in order to prevent the nut phenomenon that gets loose, people usually adopt spring washer or with two overlapping nuts, or are locked with cotter pin and slotted nut.But in most of bolt connection pieces, even adopt above-mentioned measure, in long-term vibration of mechanical power, nut also can become flexible even come off sometimes.
Summary of the invention:
Technical problem to be solved by this invention is, provide a kind of can be in the vibrations of mechanokinetic long-term motion can loose or dislocation yet bolt connection piece.
The present invention is achieved by following technical proposals, and the screw column of bolt is provided with the locked groove of long strip, and the column cap of bolt is arranged to conical conehead.Around the outer wall of nut, be set with the nut sleeve that is provided with according to the nut outer wall shape, and on the inner wall of nut sleeve, being relatively set with firmly groove, the outer wall of nut is provided with according to the firmly supporting chimeric stressed projection of groove shapes on the nut sleeve inner wall again.In the wall body of nut, also be provided with the through fore shaft of inside and outside wall, be provided with pressure spring in the fore shaft, and the dead bolt of adjacent pressure spring.Dead bolt combines with locked groove after being supported out fore shaft by pressure spring, thereby with nut and bolt locking.
In technique scheme, described locked groove is the shelves groove that is the vertical wall body from top to bottom.And can on screw column, be provided with relative two respectively according to the fastening degree of bolt connection piece needs, three minutes three or four locked grooves of across dwindle the rotary distance of dead bolt and locked groove, thereby reach more fastening purpose.And, being provided with at the center of each side's body of nut sleeve can be for grabbing the pawl eye that pulls, when needs loose or dislocation lower nut, should be earlier with small-sized separated type hydraulic pressure device for drawing die, be commonly called as three-jaw, grab on the pawl eye on the nut sleeve body, pull nut sleeve, withdraw from pressure spring and dead bolt, nut like this can get loose.Therefore, such setting not only can the clamping bolt link, and can prevent being disassembled easily of component of machine, that is to say that the design also has antitheft effect.
In technique scheme, described fore shaft is the square mouth, and the wall of its mouthful is the rectangle hole that is shrunk to gradually to the inwall oral area by outer wall; Described dead bolt is a rectangular body that is tiltedly shunk in gradually to the lip of the tongue by root of the tongue portion, therefore, the rectangular body of dead bolt is less than the rectangle hole of fore shaft, so that dead bolt can freely stretch in fore shaft, and the root of the tongue portion of described dead bolt is again greater than the mouth limit portion of fore shaft, like this, dead bolt just can not be compressed spring and firmly support out outside the fore shaft, and the lip of the tongue of dead bolt then is the internal thread round mouth setting according to nut, and the lip of the tongue of dead bolt is supported in the withdrawal fore shaft by screw column easily.
In said structure spare, pressure spring is a cylindrical helical spring, nut is hexagonal then, also four jiaos.
Owing to adopted technique scheme, in the connection of bolt, in the nut wall body, be provided with pressure spring and dead bolt, on screw column, be provided with locked groove, make dead bolt combine with locked groove down firmly offseting of pressure spring, the tongue limit is blocked by the trough rim of locked groove, thereby nut can't be become flexible on screw column, just can not cause the loosening of link.And chimeric on the outer wall of nut have a nut sleeve, and as not using device for drawing die, tightly chimeric nut sleeve then can't get loose down.Therefore, this bolt connects on the bolt connection piece that is more suitable for using connection in the open air or does not often dismantle.
Description of drawings:
Description of drawings: the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is the plan view of the present invention with bolt in the bolt connection piece of suit bolt nut lock.
Fig. 2 is the plan view of nut among the present invention.Dotted portion is sightless structure setting among the figure.
Fig. 3 is the plan view with the nut sleeve of nut tabling shown in Figure 2.
Fig. 4 is the plan view behind nut shown in Figure 2 and the nut sleeve tabling shown in Figure 3.
Dotted portion is sightless structure setting among the figure.
Fig. 5 is the plan view of cover nut after chimeric shown in Figure 4.Dotted portion is sightless structure setting among the figure.
Fig. 6 is that the structure of dotted portion shown in Figure 5 is provided with plan view.
Fig. 7 is the whole plan view of the bolt connection piece with suit bolt nut lock of the present invention.Dotted portion is sightless structure setting among the figure.
Embodiment
In embodiment illustrated in fig. 1, the screw column of bolt 1 is provided with a locked groove 5 that is upright wall body shape from top to bottom, and the column cap of bolt 1 is arranged to conical conehead 4.
In embodiment illustrated in fig. 2, be relatively set with the stressed projection 7 of two projectioies on the outer wall both sides of nut 2, and the fore shaft 9 of a four directions mouth is set in the middle of side's wall body of nut 2, fore shaft 9 is that inside and outside wall is through on the wall body of nut 2, and the wall of its mouthful is to be shrunk to rectangle hole by outer wall gradually to the oral area of inwall.
In embodiment illustrated in fig. 3, nut sleeve 3 is the outer wall shape settings according to nut 2, and on the inwall of nut sleeve 3 according to the supporting firmly groove 6 that is provided with of the shape of the stressed projection 7 on nut 2 outer walls, as shown in Figure 4, after nut sleeve 3 and nut 2 were tightly chimeric mutually, firmly groove 6 was also simultaneously tightly chimeric with stressed projection 7.And, also be provided with a pawl eye 8 in the centre of each side's outer wall of nut sleeve 3, grab when shutting down nut sleeve 3 when needs, need could grab from nut 2 wall bodies and shut down nut sleeve 3 with small-sized separated type hydraulic pressure device for drawing die, thereby from bolt 1 cylinder dismounting lower nut 2.
Embodiment illustrated in fig. 5 is embodiment illustrated in fig. 4 overlooking, from the diagram as can be seen, when not being connected with bolt 1 spiral, the tip of the tongue of dead bolt 10 partly is compressed spring 11 and pushes against out fore shaft 9, but, contract in the tip, the left side of actual dead bolt 10 the lip of the tongue is also obvious because the tip of the tongue of dead bolt 10 partly is the internal thread circle shape setting according to nut 2, and it can also be seen that through careful the resolution, be more conducive to dead bolt 10 like this and supported back in the fore shaft 9, help nut 2 and on bolt 1, rotate and turn by screw column.The outstanding the lip of the tongue in dead bolt 10 the right then is more conducive to offset with the shelves groove on locked groove 5 the right, thus locking nut 2 more.
In embodiment illustrated in fig. 6, pressure spring 11 is columniform helical springs, and dead bolt 10 then is the rectangular blocks of a root of the tongue portion greater than the lip of the tongue.
Fig. 7 embodiment is Fig. 1-Fig. 6 embodiment's aggregation, owing in the embodiment of Fig. 1-Fig. 6, the bolt connection piece with the suit bolt nut lock of the present invention is had detailed description, so Fig. 7 embodiment no longer is repeated in this description.
Certainly; the bolt connection piece that dextrorotation shown in this bolt connection piece of the present invention is not limited to illustrate connects; the bolt connection piece that equally also can be used for left-handed connection; the shelves groove that only needs to be arranged on the vertical wall body of the locked groove 5 on the screw column oppositely is provided with the lip of the tongue that is arranged on the dead bolt 10 in nut 2 wall bodies and gets final product, but such being provided with all within protection scope of the present invention.
Claims (6)
1. the bolt connection piece with the suit bolt nut lock comprises bolt (1), the nut (2) that is threaded with bolt (1); It is characterized in that the screw column of described bolt (1) is provided with the locked groove (5) of long strip; The column cap of described bolt (1) is conical conehead (4); The described nut sleeve (3) that is provided with according to nut (2) outer wall shape that is set with around the outer wall of nut (2) is relatively set with firmly groove (6) on the inner wall of nut sleeve (3); Described also being provided with on the outer wall of nut (2) according to the firmly supporting chimeric stressed projection (7) of groove (6) shape on nut sleeve (3) inner wall; The described through fore shaft of inside and outside wall (9) that also is provided with in the wall body of nut (2) is provided with pressure spring (11) in fore shaft (9), the dead bolt (10) of adjacent pressure spring (11); Described dead bolt (10) is supported out fore shaft (9) back by pressure spring (11) and is combined with locked groove (5), thereby with nut (2) and bolt (1) locking.
2. the bolt connection piece with the suit bolt nut lock according to claim 1 is characterized in that described locked groove (5) is the retaining groove that is the vertical wall body from top to bottom.
3. the bolt connection piece with suit bolt nut lock according to claim 1 is characterized in that, the center of described each side's body in nut sleeve (3) is provided with can be for grabbing the pawl eye (8) that pulls.
4. the bolt connection piece with the suit bolt nut lock according to claim 1 is characterized in that described fore shaft (9) is the square mouth, and the wall of its mouthful is to be shrunk to rectangle hole by outer wall gradually to the inwall oral area.
5. the bolt connection piece with suit bolt nut lock according to claim 4 is characterized in that, described dead bolt (10) be one by root of the tongue portion to the lip of the tongue gradually in the oblique rectangular body of contraction; The rectangular body of described dead bolt (10) is less than the rectangle hole of fore shaft (9); The root of the tongue portion of described dead bolt (10) is greater than the mouth limit portion of fore shaft (9); The lip of the tongue of described dead bolt (10) is the internal thread round mouth setting according to nut (2).
6. the bolt connection piece with the suit bolt nut lock according to claim 1 is characterized in that described pressure spring (11) is a cylindrically coiled spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100584774A CN101487490B (en) | 2009-03-03 | 2009-03-03 | Bolt connection piece locked by suit bolt nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100584774A CN101487490B (en) | 2009-03-03 | 2009-03-03 | Bolt connection piece locked by suit bolt nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101487490A CN101487490A (en) | 2009-07-22 |
| CN101487490B true CN101487490B (en) | 2011-04-13 |
Family
ID=40890513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100584774A Expired - Fee Related CN101487490B (en) | 2009-03-03 | 2009-03-03 | Bolt connection piece locked by suit bolt nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101487490B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963179A (en) * | 2010-10-10 | 2011-02-02 | 浙江明泰标准件有限公司 | Tubing bolt, molding process and mold thereof |
| CN103343769A (en) * | 2013-07-24 | 2013-10-09 | 太仓市协诚金属制品有限公司 | Slot check bolt |
| CN104746102A (en) * | 2013-12-31 | 2015-07-01 | 贵州航天乌江机电设备有限责任公司 | Method and structure for preventing nut looseness of phosphorus-iron ring pressure stripper of anode assembly workshop |
| CN106151237A (en) * | 2015-04-24 | 2016-11-23 | 铃木康之 | Clamp nut anti-drop device |
| CN110459889B (en) * | 2019-08-14 | 2021-02-02 | 东莞市信为兴电子有限公司 | TYPE-C connector |
| CN212278176U (en) * | 2020-06-30 | 2021-01-01 | 东莞市帕瓦莱斯智能科技有限公司 | Photovoltaic push rod locking structure |
| CN112374324B (en) * | 2020-10-30 | 2022-08-19 | 临武县卓尚五金制品有限公司 | Elevator guide rail |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201354792Y (en) * | 2009-03-03 | 2009-12-02 | 张昌华 | Bolt connector tightly locked by suite lock-tongue nut |
-
2009
- 2009-03-03 CN CN2009100584774A patent/CN101487490B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201354792Y (en) * | 2009-03-03 | 2009-12-02 | 张昌华 | Bolt connector tightly locked by suite lock-tongue nut |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101487490A (en) | 2009-07-22 |
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| 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 | ||
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20120303 |