CN106369036A - Torque control type nut and spanner special for same - Google Patents
Torque control type nut and spanner special for same Download PDFInfo
- Publication number
- CN106369036A CN106369036A CN201611039787.8A CN201611039787A CN106369036A CN 106369036 A CN106369036 A CN 106369036A CN 201611039787 A CN201611039787 A CN 201611039787A CN 106369036 A CN106369036 A CN 106369036A
- Authority
- CN
- China
- Prior art keywords
- nut
- hole
- inner sleeve
- control type
- overcoat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 claims abstract description 22
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims abstract description 12
- 238000005246 galvanizing Methods 0.000 claims abstract description 11
- 239000012211 strain insulator Substances 0.000 description 7
- 230000006378 damage Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
- F16B37/08—Quickly-detachable or mountable nuts, e.g. consisting of two or more parts; Nuts movable along the bolt after tilting the nut
- F16B37/0871—Quickly-detachable or mountable nuts, e.g. consisting of two or more parts; Nuts movable along the bolt after tilting the nut engaging the bolt laterally, i.e. without the need to engage the end of the bolt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/02—Spanners; Wrenches with rigid jaws
- B25B13/06—Spanners; Wrenches with rigid jaws of socket type
- B25B13/065—Spanners; Wrenches with rigid jaws of socket type characterised by the cross-section of the socket
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B31/00—Screwed connections specially modified in view of tensile load; Break-bolts
- F16B31/02—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load
- F16B31/021—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load by means of a frangible part
Abstract
The invention discloses a torque control type nut. The torque control type nut comprises a nut inner bushing and a nut jacket, wherein the nut inner bushing is made of a material in which low-carbon steel is subjected to hot dip galvanizing on the surface, the nut jacket is made of a POM material, the outer border of the cross section of the nut jacket is in the shape of a regular polygon, the inner border of the cross section of the nut jacket is round, the inner wall face of the nut inner bushing is provided with a thread structure, the outer border of the cross section of the nut inner bushing is round, two symmetrical first ridges are arranged on the inner wall face of the nut jacket, at least one pair of grooves are formed in the outer wall face of the nut inner bushing, the first ridges are arranged on the axis of the nut inner bushing, the grooves are formed in the axis of the nut inner bushing, and each first ridge is arranged in the corresponding groove. A spanner special for the torque control type nut comprises a hand holding handle, wherein a first spanner head is arranged at one end of the hand holding handle, a second spanner head is arranged at the other end of the hand holding handle, a first sleeving hole is formed in the first spanner head, a second sleeving hole is formed in the second spanner head, the inner wall face of the first sleeving hole is a hole in the shape of a regular polygon, the second sleeving hole is a round hole, and a pair of second ridges are arranged on the inner wall face of the round hole. The torque control type nut and the spanner special for the torque control type nut have the advantages that bolts are prevented from getting loose, and the antitheft function is achieved.
Description
Technical field
The present invention relates to a kind of moment of torsion control type nut and special spanner.
Background technology
With increasing sharply of electricity consumption quantity, power line load increases substantially, particularly during summer peak meeting, line
Road at full capacity or overload operation, leads to strain rod tower drain parallel groove clamp and strain clamp heating problem, strain insulator drain
The overheated the lighter of plate reduces current-carrying capacity, and severe one will lead to drainage plate to burn, thus leading to major accident.And with transmission line of electricity
Longtime running, has, by the accident that the heating of strain insulator drainage plate causes, the trend increasing year by year.Wherein because strain insulator drainage plate generates heat, past
Toward lead to for fix strain insulator drainage plate screw bolt and nut between connection occur loosening.On the one hand this be because strain insulator draws
Stream plate heating and expand with heat and contract with cold and cause；On the other hand be due to be used for when investing to build construction fixing the bolt of strain insulator drainage plate and
Moment of torsion between nut not up to specifies requirement, and works as strain insulator drainage plate adstante febre and be then easily caused the company between screw bolt and nut
Connect loosening, further cause resistance to raise and caloric value is increased, easily cause the generation of accident.
And the why not up to regulation requirement of the moment of torsion between screw bolt and nut, it is because existing bolts and nuts are in mistake
Under big Tightening moment effect, tensile set easily occurs and situations such as thread damages, and lead to bolt and nut to be dismantled
Difficult.
Content of the invention
It is an object of the invention to provide a kind of moment of torsion control type nut, produce pine to solve bolt because moment of torsion is not enough
Dynamic, produce tensile set and thread damage because Tightening moment is excessive problem.
The present invention also provides a kind of special spanner of moment of torsion control type nut.
For realizing object above, this invention takes a kind of following technical scheme: moment of torsion control type nut, including employing
Nut inner sleeve that surface of low-carbon steel galvanizing material is made, it is socketed in described nut outside of inner cover and is used for tightening this nut inner sleeve
Nut overcoat, described nut overcoat is the nut overcoat made using pom material, outside the cross section of wherein said nut overcoat
The circulus that lateral edges are in regular polygon, inside edge is rounded, the internal face of described nut inner sleeve is threaded structure, and
The cross section outer ledge of this nut inner sleeve is rounded, and it is convex that the internal face of described nut overcoat is provided with two symmetrical first vertically
Rib, described nut outer wall of inside race face at least provided with the groove matching with described first fin for a pair, described first fin and recessed
Groove is each provided on nut inner sleeve axis, and described first fin is respectively placed in groove.
Described nut inner sleeve bottom is provided with shirt rim.
A kind of special spanner for described moment of torsion control type nut, including hand holding handle, described hand holding handle two ends are respectively
It is provided with the first driving end and the second driving end, described first driving end offers first set hole, described second driving end offers
Second set of hole, described first set in the hole wall be regular polygon hole, described second set hole be circular hole, this circular-hole internal-wall face is along axle
To being symmetrically provided with a pair second fins.
The invention has the advantage that made using surface of low-carbon steel galvanizing material due to nut inner sleeve, nut overcoat adopts
Made with pom material, using special spanner when nut overcoat applies to reach predetermined torque, the first fin and nut overcoat are sent out
Raw fracture makes nut overcoat dally in nut inner sleeve, you can take out nut overcoat, can prevent in construction because of bolt torque not
Foot and produce loosen, also solve simultaneously bolt because the tensile set of the excessive generation of Tightening moment, thread damage and lead to
Bolt dismantling is difficult, also functions to anti-theft function；Simultaneously as the color of inner nut and the solid colour of periphery tower material, it is easy to follow-up
Can visually identify whether bolt is tightened in checking and accepting, also nut inner sleeve can be unclamped using special spanner or be twisted
Tightly.
Brief description
Fig. 1 is the structural representation of moment of torsion control type nut of the present invention；
Fig. 2 is the structural representation of the special spanner of moment of torsion control type nut of the present invention；
In figure labelling implication: 1, nut inner sleeve；2nd, nut overcoat；3rd, the first fin；4th, groove；5th, shirt rim；6th, hand holding handle；
7th, the first driving end；8th, the second driving end；9th, first set hole；10th, second set of hole；11st, the second fin.
Specific embodiment
With reference to the accompanying drawings and detailed description present disclosure is described in further details.
Embodiment
Refering to Fig. 1, a kind of moment of torsion control type nut, including the nut inner sleeve made using surface of low-carbon steel galvanizing material
1st, it is socketed in described nut inner sleeve 1 outside and the nut overcoat 2 for tightening this nut inner sleeve 1, nut overcoat 2 is to adopt pom
The ring that the cross section outer ledge of the nut overcoat that material is made, wherein nut overcoat 2 is in regular polygon, inside edge is rounded
Shape structure, the internal face of nut inner sleeve 1 is threaded structure, and the cross section outer ledge of this nut inner sleeve 1 is rounded, nut
The internal face of overcoat 2 is provided with two the first symmetrical fins 3 vertically, and nut inner sleeve 1 outside wall surface is convex with first at least provided with a pair
The groove 4 that rib 3 matches, the first fin 3 and groove 4 are each provided on nut inner sleeve 1 axis, and the first fin 3 be respectively placed in recessed
In groove 4.
Nut overcoat 2 is made using pom material, and the material that nut inner sleeve 1 is adopted is surface of low-carbon steel galvanizing material
Make.The cross section outer ledge of nut overcoat 2 is in regular polygon, and wherein the present embodiment uses regular hexagon, and this is just many
Side shape can be equilateral triangle, square, and regular pentagon (it is several that regular polygon is not limited to this), when nut overcoat 2 and spiral shell
After female inner sleeve 1 mutually exerts on certain torsion, because the nut overcoat 2 of pom material itself is brittle, nut overcoat 2 and the first fin 3
Joint can produce fracture, and fracture back nut overcoat 2 dallies in nut inner sleeve 1, and now, nut overcoat 2 complete failure, with this
Reach the effect of moment of torsion control.Now, nut overcoat 2 is taken off, take off back nut inner sleeve 1 just exposed outside, should
The cross section outer ledge of nut inner sleeve 1 is rounded, and the internal face of nut overcoat 2 is provided with two the first symmetrical fins 3 vertically,
Nut inner sleeve 1 outside wall surface is provided with two to the groove 4 matching with the first fin 3, plays anti-theft function, also allows for unclamping or twists
Tightly；Because nut inner sleeve 1 is surface of low-carbon steel galvanizing material, the color of the color of surface of low-carbon steel galvanizing and periphery tower material
Unanimously, so also allow for follow-up checking and accepting and can visually identify whether bolt is tightened.Simultaneously for surface of low-carbon steel heat
The nut inner sleeve 1 that zinc-plated material is made, has good mechanical property, and hardness and toughness are all relatively good, applies 80-100n
Power will not produce any damage for metal, solve bolt because the excessive generation of Tightening moment tensile set,
Thread damages and leads to Bolt dismantling difficult.
Further, nut inner sleeve 1 bottom is provided with shirt rim 5, is conducive to increasing the contact surface of nut inner sleeve 1 and connected piece
Long-pending, thus improving frictional force between nut inner sleeve 1 and connected piece, further such that nut inner sleeve 1 will not loosen easily, simultaneously
When twisting nut overcoat 2, shirt rim 5 can prevent from twisting injury connected piece.
Refering to Fig. 2, a kind of special spanner for moment of torsion control type nut, including hand holding handle 6, hand holding handle 6 two ends are respectively
Be provided with the first driving end 7 and the second driving end 8, the first driving end 7 offers first set hole 9, the second driving end 8 offer
Two sets of holes 10, first set hole 9 internal face is regular polygon hole, and second set of hole 10 is circular hole, and this circular-hole internal-wall face is axially symmetric
Be provided with a pair second fins 11.
During use, nut overcoat 2 is socketed in nut inner sleeve 1, and two the first symmetrical fins 3 are respectively placed in wherein
In groove 4, using special spanner, nut inner sleeve 1 is tightened, now, the first set hole 9 in the first driving end 7 is socketed in
Outside nut overcoat 2, using special spanner, nut overcoat 2 is tightened, when tightening nut inner sleeve 1, when reaching predetermined torque, by
It is surface of low-carbon steel galvanizing material in nut inner sleeve 1, nut overcoat 2 is pom material, after mutually exerting on certain torsion,
Pom material is brittle, can produce fracture, fracture back nut overcoat 2 can only be in nut inner sleeve 1 at nut overcoat 2 and the first fin 3
Idle running, now nut overcoat 2 complete failure, the effect of moment of torsion control is reached with this.Now, nut overcoat 2 is taken off, nut
Inner sleeve 1 is exposed outside because nut inner sleeve 1 is surface of low-carbon steel galvanizing material, the color of surface of low-carbon steel galvanizing with week
The solid colour of Bian Tacai, so also allowing for follow-up checking and accepting and visually identifying this root bolt is to tighten；Needing
During by Bolt dismantling, the second driving end 8 of special spanner is socketed in nut inner sleeve 1, you can nut inner sleeve 1 is twisted
Tight or unclamp.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and this embodiment simultaneously is not used to limit this
Bright the scope of the claims, all equivalence enforcements done without departing from the present invention or change, are intended to be limited solely by the scope of the claims of this case.
Claims (3)
1. a kind of moment of torsion control type nut it is characterised in that: include in the nut made using surface of low-carbon steel galvanizing material
Cover (1), be socketed in described nut inner sleeve (1) nut overcoat (2) that is outside and being used for tightening this nut inner sleeve (1), described nut
Overcoat (2) is the nut overcoat made using pom material, and the cross section outer ledge of wherein said nut overcoat (2) is in just many
The rounded circulus in side shape, inside edge, the internal face of described nut inner sleeve (1) is threaded structure, and in this nut
The cross section outer ledge of set (1) is rounded, and the internal face of described nut overcoat (2) is provided with two the first symmetrical fins vertically
(3) groove (4) that, described nut inner sleeve (1) outside wall surface is matched with described first fin (3) at least provided with a pair, described the
One fin (3) and groove (4) are each provided on nut inner sleeve (1) axis, and described first fin (3) is respectively placed in groove (4).
2. moment of torsion control type nut according to claim 1 it is characterised in that: described nut inner sleeve (1) bottom is provided with skirt
Side (5).
3. a kind of special spanner for the moment of torsion control type nut described in claim 1 or 2 it is characterised in that: include hand-held
Handle (6), described hand holding handle (6) is respectively arranged at two ends with the first driving end (7) and the second driving end (8), described first driving end (7)
Offer first set hole (9), second set of hole (10) that described second driving end (8) offers, described first set hole (9) internal face
For regular polygon hole, described second set of hole (10) is circular hole, and this circular-hole internal-wall face is provided with a pair second fins axially symmetricly
(11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611039787.8A CN106369036A (en) | 2016-11-22 | 2016-11-22 | Torque control type nut and spanner special for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611039787.8A CN106369036A (en) | 2016-11-22 | 2016-11-22 | Torque control type nut and spanner special for same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106369036A true CN106369036A (en) | 2017-02-01 |
Family
ID=57892183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611039787.8A Pending CN106369036A (en) | 2016-11-22 | 2016-11-22 | Torque control type nut and spanner special for same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106369036A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561400A (en) * | 2018-07-13 | 2018-09-21 | 嘉兴涵祺汽配科技有限公司 | A kind of high-strength bolt group for being not easy to twist into two parts |
| CN108561402A (en) * | 2018-07-13 | 2018-09-21 | 嘉兴涵祺汽配科技有限公司 | A kind of high-strength bolt group being easily installed |
| CN110725851A (en) * | 2019-09-19 | 2020-01-24 | 国网河北省电力有限公司邯郸供电分公司 | Speed-sliding self-locking type double-nut anti-theft screw |
| CN113124036A (en) * | 2021-04-16 | 2021-07-16 | 海盐欣远科技股份有限公司 | Detachable anti-slip screw |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050044224A (en) * | 2003-11-07 | 2005-05-12 | 박선규 | Spanner with fastening protrusion |
| JP2006138405A (en) * | 2004-11-12 | 2006-06-01 | Ntn Corp | Nut with flange and sliding screw device |
| CN200958519Y (en) * | 2006-09-13 | 2007-10-10 | 田军 | Nut and special spanner |
| CN201739303U (en) * | 2010-08-30 | 2011-02-09 | 河南省电力公司安阳供电公司 | Disposable fixed torque nut |
| CN201771917U (en) * | 2010-07-22 | 2011-03-23 | 西安欧卡姆电气有限公司 | Constant-torque bolt |
| CN202108853U (en) * | 2011-05-18 | 2012-01-11 | 许昌四达电力设备有限公司 | Pin twisted-off type antitheft nut |
| CN105422588A (en) * | 2015-12-21 | 2016-03-23 | 河南四达电力设备股份有限公司 | Fastening type theft-proof nut |
| CN206320150U (en) * | 2016-11-22 | 2017-07-11 | 中国南方电网有限责任公司超高压输电公司梧州局 | A kind of moment of torsion control type nut and special spanner |
-
2016
- 2016-11-22 CN CN201611039787.8A patent/CN106369036A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050044224A (en) * | 2003-11-07 | 2005-05-12 | 박선규 | Spanner with fastening protrusion |
| JP2006138405A (en) * | 2004-11-12 | 2006-06-01 | Ntn Corp | Nut with flange and sliding screw device |
| CN200958519Y (en) * | 2006-09-13 | 2007-10-10 | 田军 | Nut and special spanner |
| CN201771917U (en) * | 2010-07-22 | 2011-03-23 | 西安欧卡姆电气有限公司 | Constant-torque bolt |
| CN201739303U (en) * | 2010-08-30 | 2011-02-09 | 河南省电力公司安阳供电公司 | Disposable fixed torque nut |
| CN202108853U (en) * | 2011-05-18 | 2012-01-11 | 许昌四达电力设备有限公司 | Pin twisted-off type antitheft nut |
| CN105422588A (en) * | 2015-12-21 | 2016-03-23 | 河南四达电力设备股份有限公司 | Fastening type theft-proof nut |
| CN206320150U (en) * | 2016-11-22 | 2017-07-11 | 中国南方电网有限责任公司超高压输电公司梧州局 | A kind of moment of torsion control type nut and special spanner |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561400A (en) * | 2018-07-13 | 2018-09-21 | 嘉兴涵祺汽配科技有限公司 | A kind of high-strength bolt group for being not easy to twist into two parts |
| CN108561402A (en) * | 2018-07-13 | 2018-09-21 | 嘉兴涵祺汽配科技有限公司 | A kind of high-strength bolt group being easily installed |
| CN110725851A (en) * | 2019-09-19 | 2020-01-24 | 国网河北省电力有限公司邯郸供电分公司 | Speed-sliding self-locking type double-nut anti-theft screw |
| CN113124036A (en) * | 2021-04-16 | 2021-07-16 | 海盐欣远科技股份有限公司 | Detachable anti-slip screw |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170201 |
|
| RJ01 | Rejection of invention patent application after publication |