CN105370698B - The anti-loose mechanical retention mechanism of more screw pairs - Google Patents
The anti-loose mechanical retention mechanism of more screw pairs Download PDFInfo
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- CN105370698B CN105370698B CN201510628772.4A CN201510628772A CN105370698B CN 105370698 B CN105370698 B CN 105370698B CN 201510628772 A CN201510628772 A CN 201510628772A CN 105370698 B CN105370698 B CN 105370698B
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Abstract
The present invention relates to a kind of anti-loose mechanical retention mechanism of more screw pairs.It solves existing retention mechanism and the technical problem such as easily occurs loosening.Including the body of bolt, there are two to be connected respectively with clamp nut and anti-loosing nut screw thread and thread segment that hand of spiral is opposite on the body of bolt, the regulation ring being arranged with the body of bolt between clamp nut and anti-loosing nut, it is connected between clamp nut and regulation ring by one-directionally rotating structure, being equipped between regulation ring and anti-loosing nut can make regulation ring and anti-loosing nut circumferentially positioned and the location structure of axially position.Advantage is：Design is reasonable, simple in structure, and bonding strength is high, and stability is good, can prevent occurring loosening phenomenon during connection, have auto-lock function.
Description
Technical field
The invention belongs to technical field of fastening, more particularly, to a kind of anti-loose mechanical retention mechanism of more screw pairs.
Background technology
Screw pair retention mechanism is a kind of retention mechanism of common thread fitting, mutual the most common are bolts and nuts
The fastening connection piece of cooperation, the threaded connection to mechanical equipment connector is realized by the screw thread of bolt.The company of bolts and nuts
It is good to connect performance, it is simple in structure, it is widely used in machinery equipment field, but bolts and nuts are there is easy the defects of loosening,
The gap that connector is frequently shaken with equipment increases, and causes bolts and nuts to loosen, or even comes off, so for some machines
Tool easily occurs connector and is mutually disengaged phenomenon when connecting, serious that security incident easily occurs.
Existing in the prior art in order to solve the problems, such as, people have carried out long-term exploration, it is proposed that miscellaneous solution
Scheme.For example, Chinese patent literature discloses a kind of mutually compact form Anti-loose bolt [application number：201220063479.X], by spiral shell
Bar, inner nut, outer nut composition.Screw flight is forward and reverse screw thread, and the internal thread of inner nut is forward screw thread, outer nut
Internal thread is reverse thread.Inner nut and outer nut are equipped with 2~12 anti-slip tanks to top surface.Anti-slip tank is gradual counterclockwise
Elevated structure.
The problem of such scheme easily loosens when improving existing bolts and nuts connection to a certain extent, though such scheme
So in inner nut and outer nut to being equipped with several anti-slip tanks on top surface, but the screw thread starting point of inner nut, outer nut, bolt is all
It is uncertain, anti-slip tank is the purpose difficult to realize that is mutually stuck.Even if can accidentally be stuck, still, the program
It is low to still remain bonding strength, inner nut gap or inner nut easily occurs with outer nut and easily promotes outer nut to shrink back when shaking big
The problem of causing to loosen between inner nut and connector, and ultimately result in outer nut and inner nut disengaging bolt situation generation.
The content of the invention
Regarding the issue above, the present invention provides a kind of design is reasonable, simple in structure, there is anti-loose function
The anti-loose mechanical retention mechanism of more screw pairs.
To reach above-mentioned purpose, present invention employs following technical proposal：The anti-loose mechanical retention mechanism of this more screw pair,
Including the body of bolt, there are two thread segments being connected respectively with clamp nut and anti-loosing nut screw thread on the body of bolt,
And the hand of spiral of two thread segments is opposite, it is characterised in that is arranged with the body of bolt positioned at clamp nut and locking
Regulation ring between de- nut, is connected by one-directionally rotating structure between the clamp nut and regulation ring, works as clamp nut
Can be relative to regulation ring week with the clamp nut described in when circumferentially rotating movement or movement tendency away from anti-loosing nut side
Compression spiral shell to rotation and described in when clamp nut has and circumferentially rotates movement or movement tendency towards anti-loosing nut side
Female circumferentially positioned with regulation ring by one-directionally rotating structure, regulation ring can be made by being equipped between the regulation ring and anti-loosing nut
With anti-loosing nut is circumferentially positioned and the location structure of axially position.In use, when clamp nut is directed away from anti-loosing nut
Clamp nut described in when side circumferentially rotates movement or movement tendency can be circumferentially rotated relative to regulation ring, i.e. clamp nut court
When being moved to locking direction, clamp nut can be circumferentially rotated relative to regulation ring so that and clamp nut is separated from each other with regulation ring,
Exist when being compacted object, this athletic meeting is prevented from certain section, and anti-loosing nut is because one-directional rotation structure will not take off
From the body of bolt；Compression spiral shell described in when clamp nut, which has, circumferentially rotates movement or movement tendency towards anti-loosing nut side
It is female circumferentially positioned with regulation ring by one-directionally rotating structure, simultaneously as location structure positions regulation ring and anti-loosing nut
Together, and clamp nut screw thread and anti-loosing nut screw thread are opposite direction screw threads, so that clamp nut can not be towards anti-
Nut side is loosened to circumferentially rotate, but the rotation potential energy of clamp nut by one-directionally rotate the adjusted ring of structure passed to it is locking
De- nut, has driven anti-loosing nut to circumferentially rotate movement or movement tendency to clamp nut side, has so allowed for compressing
Nut is in continuous self-tightening process all the time, the auto-lock function of mechanism is then realized, simultaneously because anti-loosing nut and adjusting
Ring is circumferentially positioned and since the presence for one-directionally rotating structure causes anti-loosing nut can not depart from the body of bolt.
In the above-mentioned anti-loose mechanical retention mechanism of more screw pairs, the one-directional rotation structure includes being arranged on compression
Nut one end and the compression helicoid being spirally distributed and the cooperation for being arranged on regulation ring one end and being spirally distributed are spiral
Face, the compression helicoid form one-directional rotation helicoid pair with coordinating helicoid to match.When clamp nut has direction
When anti-loosing nut side circumferentially rotates movement or movement tendency, since compression helicoid here is with coordinating helicoid mutually to support
By can be so that clamp nut and regulation ring be circumferentially positioned, it is clear that it is varied to one-directionally rotate the structure of structure, people in the art
Member is it is also an option that other structures.
In the above-mentioned anti-loose mechanical retention mechanism of more screw pairs, between described compression helicoid one end and the body of bolt
Formed and compress spiral section, formed between described cooperation helicoid one end and the body of bolt and coordinate spiral section, and worked as and compress spiral shell
It is female with regulation ring when circumferentially positioned described in compression spiral section can be abutted with cooperation spiral section；The compression is spiral
Face is involute helicoid with coordinating helicoid.I.e. by compressing spiral section with coordinating spiral section to abut realization
Clamp nut is mutually located with regulation ring；The irreversibility technical principle moved by helicoid, so as to fulfill one-way movement
Function.
In the above-mentioned anti-loose mechanical retention mechanism of more screw pairs, the clamp nut end is equipped with the first involute
Conveyor screw, and the first involute conveyor screw end face forms above-mentioned compression helicoid, compresses helicoid and clamp nut
Between form positioning step；Formed inwardly in the regulation ring end week for the annular recessed of the first involute conveyor screw insertion
Groove, and there is the second involute conveyor screw to match with the first involute conveyor screw in the annular groove, and it is described
Second involute conveyor screw end face forms above-mentioned cooperation helicoid, and annular groove forms the cooperation platform to match with positioning step
Rank.I.e. above-mentioned positioning step, which inserts in, to be coordinated in step and is compressed until coordinating helicoid to be resisted against on helicoid and can not be according to
Clamp nut screw-threaded coupling direction is rotated further, and the first involute conveyor screw here is inserted in annular groove and gradually opened with second
Spironeme cooperates, and so improves the stability of connection.
In the above-mentioned anti-loose mechanical retention mechanism of more screw pairs, the spiral shell for compressing helicoid and coordinating helicoid
The thread segment hand of thread spiral being connected on rotation direction and the body of bolt with clamp nut is identical.This ensure that one-directional rotation direction
Meets the needs of this retention mechanism is anti-loose.
In the anti-loose mechanical retention mechanism of above-mentioned more screw pairs, the location structure include it is some be arranged on it is locking
De- nut outer circumferential and the location hole radially set along anti-loosing nut, the regulation ring are equipped with least one edge and adjust
The matching hole that ring is radially set is saved, the matching hole is corresponding with any one in location hole, and the location hole passes through
Positioning column is connected with matching hole.It is corresponding with one of location hole by matching hole and be connected by positioning column, it is achieved in that
Anti-loosing nut is positioned with regulation ring axial and circumferential, and preferably, the aperture of location hole here is more than the aperture of matching hole
Size, so can be so that positioning column facilitates insertion into.
In the above-mentioned anti-loose mechanical retention mechanism of more screw pairs, the matching hole is recessed with radial positioning for middle part
The stepped hole of groove, and the location hole is circumferentially uniformly distributed setting；The positioning column includes being threaded through matching hole and positioning
Rigid cylinder in hole is held and with the elastic of the positioning convex ring in the positioning groove in vitro with rigid post is arranged on
Body.
In the above-mentioned anti-loose mechanical retention mechanism of more screw pairs, it is equipped between the regulation ring and anti-loosing nut
Shock-damping structure.
In the above-mentioned anti-loose mechanical retention mechanism of more screw pairs, the shock-damping structure includes being arranged on regulation ring end
Portion's week annular groove inwardly, the anti-loosing nut end has annular bead corresponding with annular groove and the ring
Shape flange collar is inserted in annular groove, annular gap is formed between annular bead and annular groove, and be equipped with the annular gap
End is born against in annular bead and the elastic component adjusted on loop section in annular groove.Preferably, elasticity here
Part can use disk spring, can so play the role of reinforcement and damping.
In the above-mentioned anti-loose mechanical retention mechanism of more screw pairs, the body of bolt is by the first different bolt of diameter
Bar is coaxially formed with the second shank of bolt, and two thread segments are sequentially formed on the first shank of bolt and the second shank of bolt respectively, institute
The clamp nut stated is sheathed on the first shank of bolt, and the anti-loosing nut is sheathed on the second shank of bolt, and described
The diameter of one shank of bolt is more than the diameter of the second shank of bolt；Two thread segment screw threads of the body of bolt thus with
Clamp nut and anti-loosing nut screw thread respectively constitute the secondary and anti-loose screw thread pair of collet threaded.So can guarantee that clamp nut with
Anti-loosing nut can smoothly be set in the first shank of bolt and the second shank of bolt respectively.
Compared with prior art, it is the advantages of this more screw pair anti-loose mechanical retention mechanism：Design is reasonable, structure
Simply, bonding strength is high, and stability is good, can prevent occurring loosening phenomenon during connection, have auto-lock function.
Brief description of the drawings
Fig. 1 is the surface structure schematic diagram of embodiment provided by the invention.
Fig. 2 is the half section schematic of embodiment provided by the invention.
Fig. 3 is the clamp nut half section schematic of embodiment provided by the invention.
Fig. 4 is the overlooking the structure diagram of the clamp nut of embodiment provided by the invention.
Fig. 5 is the half section schematic of the regulation ring of embodiment provided by the invention.
Fig. 6 is the overlooking the structure diagram of the regulation ring of embodiment provided by the invention.
Fig. 7 is the present invention looks up structural representation of the regulation ring of embodiment provided by the invention.
Fig. 8 is the half section schematic of the anti-loosing nut of embodiment provided by the invention.
Fig. 9 is the overlooking the structure diagram of the anti-loosing nut of embodiment provided by the invention.
Figure 10 is the structure diagram of the body of bolt of embodiment provided by the invention.
In figure, the body of bolt 1, the first shank of bolt 11, the second shank of bolt 12, clamp nut 2, anti-loosing nut 3, regulation ring 4,
Structure 5 is one-directionally rotated, helicoid 51, positioning step 52 is compressed, coordinates helicoid 53, coordinates step 54, the first involute spiral
Body 55, annular groove 56, the second involute conveyor screw 57, compress spiral section 58, coordinate spiral section 59, is location structure 6, fixed
Position hole 61, matching hole 62, positioning column 63, shock-damping structure 7, annular groove 71, annular bead 72, annular gap 73, elastic component 74, pressure
Tight screw thread pair 8, anti-loose screw thread pair 9, one-directional rotation helicoid pair 10.
Embodiment
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, 2, anti-loose mechanical retention mechanisms of this more screw pair, including the body of bolt 1, have two on the body of bolt 1
A thread segment being connected respectively with clamp nut 2 and 3 screw thread of anti-loosing nut, and the hand of spiral of two thread segments is on the contrary, spiral shell
The regulation ring 4 being arranged with body 1 between clamp nut 2 and anti-loosing nut 3, leads between clamp nut 2 and regulation ring 4
Cross one-directional rotation structure 5 to be connected, movement or movement tendency are circumferentially rotated away from 3 side of anti-loosing nut when clamp nut 2 has
When clamp nut 2 can circumferentially rotate relative to regulation ring 4 and circumferentially turn when clamp nut 2 has towards 3 side of anti-loosing nut
Clamp nut 2 is circumferentially positioned by one-directionally rotating structure 5 and regulation ring 4 when dynamic movement or movement tendency, regulation ring 4 with it is anti-loose
Regulation ring 4 and circumferentially positioned and axially position the location structure 6 of anti-loosing nut 3 can be made by being equipped between nut 3, in use, working as
Clamp nut 2 is directed away from when 3 side of anti-loosing nut circumferentially rotates movement or movement tendency that clamp nut 2 can be relative to adjusting
Ring 4 circumferentially rotates, i.e., towards during the movement of locking direction, clamp nut 2 can circumferentially rotate clamp nut 2 relative to regulation ring 4, make
Obtain clamp nut 2 to be separated from each other with regulation ring 4, exist when being compacted object, this athletic meeting is prevented from certain section, locking
De- nut 3 is because one-directionally rotate structure 5 without departing from the body of bolt 1；When clamp nut 2 had towards 3 side of anti-loosing nut week
It is circumferentially positioned by one-directionally rotating structure 5 and regulation ring 4 to clamp nut when rotational motion or movement tendency 2, simultaneously because fixed
Regulation ring 4 and anti-loosing nut 3 are positioned together by bit architecture, and 2 screw thread of clamp nut and 3 screw thread of anti-loosing nut are negative sides
To screw thread, so that clamp nut 2 can not be circumferentially rotated towards 3 side of anti-loosing nut, but the rotation potential energy of clamp nut 2
Anti-loosing nut 3 has been passed to by one-directionally rotating the adjusted ring 4 of structure 5, has driven anti-loosing nut 3 to clamp nut 2 one
Side circumferentially rotates movement or movement tendency, so allows for clamp nut 2 and is in continuous self-tightening process all the time, then realizes
The auto-lock function of mechanism, simultaneously because anti-loosing nut 3 is circumferentially positioned with regulation ring 4 and due to one-directionally rotating depositing for structure 5
Causing anti-loosing nut 3 can not depart from the body of bolt 1.
Specifically, as shown in figs. 2-10, one-directional rotation structure 5 here is including being arranged on 2 one end of clamp nut and being in spiral shell
The compression helicoid 51 and be arranged on 4 one end of regulation ring and the cooperation helicoid 53 being spirally distributed that rotation shape is distributed, compress spiral shell
Radial facing 51 forms one-directional rotation helicoid pair 10 with coordinating helicoid 53 to match, when clamp nut 2 has towards anti-loose spiral shell
When female 3 sides circumferentially rotate movement or movement tendency, since compression helicoid 51 here is with coordinating helicoid 53 to abut
Can be so that clamp nut 2 and regulation ring 4 be circumferentially positioned, it is clear that the structure of one-directional rotation structure 5 is varied, art technology
Personnel are also an option that other structures.Here formed between 51 one end of compression helicoid and the body of bolt 1 and compress spiral section 54,
Coordinate to be formed between 53 one end of helicoid and the body of bolt 1 and coordinate spiral section 59, and when clamp nut 2 is circumferential fixed with regulation ring 4
Spiral section 54 is compressed during position with coordinating spiral section 59 to abut, i.e., is resisted against cooperation spiral shell by compressing spiral section 54
Until it can not be rotated further on rotation section 59 and according to 2 screw-threaded coupling direction of clamp nut, so as to fulfill clamp nut 2 with adjusting
Ring 4 is mutually located.Preferably, compression helicoid 51 here is involute helicoid with coordinating helicoid 53, that is, passes through spiral shell
The irreversibility technical principle of radial facing movement, so as to fulfill the function of one-way movement.
Preferably, 2 end of clamp nut here is equipped with the first involute conveyor screw 55, and the first involute conveyor screw 55
End face forms above-mentioned compression helicoid 51, compresses and positioning step 52, regulation ring 4 are formed between helicoid 51 and clamp nut 2
Form the annular groove 56 for the insertion of the first involute conveyor screw 55 end week inwardly, and have and first in annular groove 56
The second involute conveyor screw 57 that involute conveyor screw 55 matches, and 57 end face of the second involute conveyor screw forms above-mentioned match somebody with somebody
Helicoid 53 is closed, annular groove 56 forms the cooperation step 54 to match with positioning step 52, i.e. positioning step 52 inserts in cooperation
In step 54 and until cooperation helicoid 53 is resisted against on compression helicoid 51 and can not be according to 2 screw-threaded coupling direction of clamp nut
Be rotated further, the first involute conveyor screw 55 here insert in annular groove 56 and with 57 phase interworking of the second involute conveyor screw
Close, so improve the stability of connection, meet the needs of this retention mechanism is anti-loose to ensure to one-directionally rotate direction, here
Compression helicoid 51 and coordinate the thread segment screw thread that is connected with clamp nut 2 in the hand of spiral and the body of bolt 1 of helicoid 53
The hand of spiral is identical.
Further, location structure 6 here is arranged on 3 outer circumferential of anti-loosing nut and along anti-loose including some
The location hole 61 that nut 3 is radially set, regulation ring 4 are equipped with least one matching hole 62 radially set along regulation ring 4, coordinate
Hole 62 is corresponding with any one in location hole 61, and location hole 61 is connected by positioning column 63 with matching hole 62, passes through cooperation
Hole 62 is corresponding with one of location hole 61 and is connected by positioning column 63, is achieved in that anti-loosing nut 3 and 4 axis of regulation ring
To with it is circumferentially positioned, and preferably, the aperture of location hole 61 here is more than the pore size of matching hole 62, can so cause calmly
Position column 63 facilitates insertion into.Wherein preferably, matching hole 62 here has the stepped hole of radial positioning groove for middle part, and positions
Hole 61 is circumferential to be uniformly distributed setting；Positioning column 63 includes the rigid cylinder being threaded through in matching hole 62 and location hole 61 and is arranged on
Rigid post holds and with the elastic cylinder of the positioning convex ring in the positioning groove in vitro.
Stability when further, in order to improve use, it is preferable that regulation ring 4 here and anti-loosing nut 3 it
Between be equipped with shock-damping structure 7, for example, shock-damping structure 7 can include be arranged on the annular groove 71 of 4 end week of regulation ring inwardly, prevent
Loosen 3 end of nut to insert in annular groove 71 with annular bead 72 corresponding with annular groove 71 and annular bead 72, in ring
Annular gap 73 is formed between shape flange collar 72 and annular groove 71, and is born against in annular gap 73 equipped with end in annular bead
72 and 4 part of regulation ring in annular groove 71 on elastic component 74, it is preferable that elastic component 74 here can use dish-shaped bullet
Spring, can so play the role of reinforcement and damping.In order to ensure that anti-loosing nut 3 can be smoothly arranged respectively with clamp nut 2
On the body of bolt 1, the body of bolt 1 here is coaxially made of the first different shank of bolt 11 of diameter with the second shank of bolt 12, and two
A thread segment is sequentially formed on the first shank of bolt 11 and the second shank of bolt 12 respectively, and clamp nut 2 is sheathed on the first shank of bolt
On 11, anti-loosing nut 3 is sheathed on the second shank of bolt 12, and the diameter of the first shank of bolt 11 is more than the second shank of bolt 12
Diameter.2 screw thread of clamp nut and the respective threaded section screw thread of the body of bolt 1 form collet threaded pair 8, anti-loosing nut 3
The respective threaded section screw thread of screw thread and the body of bolt 1 forms anti-loose screw thread pair 9.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can do various modifications or additions to described specific embodiment or replace in a similar way
Generation, but without departing from spirit of the invention or beyond the scope of the appended claims.
Although the body of bolt 1, the first shank of bolt 11, the second shank of bolt 12, clamp nut 2, locking is used more herein
De- nut 3, regulation ring 4, one-directional rotation structure 5, compression helicoid 51, positioning step 52, cooperation helicoid 53, cooperation step
54th, the first involute conveyor screw 55, annular groove 56, the second involute conveyor screw 57, compression spiral section 58, cooperation are spiral disconnected
Face 59, location structure 6, location hole 61, matching hole 62, positioning column 63, shock-damping structure 7, annular groove 71, annular bead 72, annular
The terms such as gap 73, elastic component 74, collet threaded pair 8, anti-loose screw thread pair 9, one-directional rotation helicoid pair 10, but be not precluded from
Use the possibility of other terms.The use of these items is only for more easily describe and explain the essence of the present invention；
They are construed to any one of the additional limitations and are all disagreed with spirit of the present invention.
Claims (10)
1. a kind of anti-loose mechanical retention mechanism of more screw pairs, including the body of bolt (1), there are two on the body of bolt (1)
The thread segment being connected respectively with clamp nut (2) and anti-loosing nut (3) screw thread, and two thread segments hand of spiral on the contrary,
It is characterized in that, the regulation ring between clamp nut (2) and anti-loosing nut (3) is arranged with the body of bolt (1)
(4), it is connected between the clamp nut (2) and regulation ring (4) by one-directionally rotating structure (5), when clamp nut (2) has
Clamp nut (2) described in when circumferentially rotating movement or movement tendency away from anti-loosing nut (3) side can be relative to regulation ring
(4) circumferentially rotate and circumferentially rotate movement or movement tendency when institute when clamp nut (2) has towards anti-loosing nut (3) side
The clamp nut (2) stated is circumferentially positioned by one-directionally rotating structure (5) and regulation ring (4), the regulation ring (4) with it is anti-loose
Regulation ring (4) and circumferentially positioned and axially position the location structure (6) of anti-loosing nut (3) can be made by being equipped between nut (3).
2. the anti-loose mechanical retention mechanism of more screw pairs according to claim 1, it is characterised in that the one-directional rotation
Structure (5) includes the compression helicoid (51) for being arranged on clamp nut (2) one end and being spirally distributed and is arranged on regulation ring
(4) one end and the cooperation helicoid (53) being spirally distributed, the compression helicoid (51) is with coordinating helicoid (53) phase
It is secondary (10) that matching forms one-directional rotation helicoid.
3. the anti-loose mechanical retention mechanism of more screw pairs according to claim 2, it is characterised in that the compression is spiral
Formed between face (51) one end and the body of bolt (1) and compress spiral section (58), described cooperation helicoid (53) one end and bolt
Formed between body (1) and coordinate spiral section (59), and the compression described in when clamp nut (2) and regulation ring (4) are circumferentially positioned
Spiral section (58) is with coordinating spiral section (59) to abut；The compression helicoid (51) is with coordinating helicoid (53)
It is involute helicoid.
4. the anti-loose mechanical retention mechanism of more screw pairs according to claim 3, it is characterised in that the clamp nut
(2) end is equipped with the first involute conveyor screw (55), and first described involute conveyor screw (55) end face forms above-mentioned pressure
Tight helicoid (51), compresses and positioning step (52), the regulation ring (4) is formed between helicoid (51) and clamp nut (2)
Form the annular groove (56) for the insertion of the first involute conveyor screw (55), and the annular groove (56) end week inwardly
It is interior with the second involute conveyor screw (57) to match with the first involute conveyor screw (55), and the second involute spiral shell
Rotation body (57) end face forms above-mentioned cooperation helicoid (53), and annular groove (56) is formed matches somebody with somebody with what positioning step (52) matched
Close step (54).
5. the anti-loose mechanical retention mechanism of more screw pairs according to claim 3, it is characterised in that the compression is spiral
The thread segment screw thread spiral shell being connected in the hand of spiral and the body of bolt (1) of face (51) and cooperation helicoid (53) with clamp nut (2)
It is identical to revolve direction.
6. according to the anti-loose mechanical retention mechanism of more screw pairs described in any one in claim 1-5, it is characterised in that
The location structure (6) is arranged on anti-loosing nut (3) outer circumferential and is radially set along anti-loosing nut (3) including some
The location hole (61) put, the regulation ring (4) are equipped with least one matching hole (62) radially set along regulation ring (4),
The matching hole (62) location hole (61) corresponding and described with any one in location hole (61) passes through positioning column (63)
It is connected with matching hole (62).
7. the anti-loose mechanical retention mechanism of more screw pairs according to claim 6, it is characterised in that the matching hole
(62) there is the stepped hole of radial positioning groove for middle part, and the location hole (61) is circumferentially uniformly distributed setting；Described
Positioning column (63) include the rigid cylinder that is threaded through in matching hole (62) and location hole (61) and be arranged on rigid post hold in vitro and
Elastic cylinder with the positioning convex ring in the positioning groove.
8. the anti-loose mechanical retention mechanism of more screw pairs according to claim 6, it is characterised in that the regulation ring
(4) shock-damping structure (7) is equipped between anti-loosing nut (3).
9. the anti-loose mechanical retention mechanism of more screw pairs according to claim 8, it is characterised in that the shock-damping structure
(7) include being arranged on the annular groove (71) of regulation ring (4) end week inwardly, the anti-loosing nut (3) end have with
Annular groove (71) corresponding annular bead (72) and the annular bead (72) are inserted in annular groove (71), in annular bead
(72) annular gap (73) are formed between annular groove (71), and is born against in the annular gap (73) equipped with end
Elastic component (74) in annular bead (72) and regulation ring (4) part in annular groove (71).
10. the anti-loose mechanical retention mechanism of more screw pairs according to claim 1, it is characterised in that the body of bolt
(1) by different the first shank of bolt (11) of diameter with the second shank of bolt (12) is coaxial forms, and two thread segments shape successively respectively
Into on the first shank of bolt (11) and the second shank of bolt (12), the clamp nut (2) is sheathed on the first shank of bolt (11),
The anti-loosing nut (3) is sheathed on the second shank of bolt (12), and the diameter of first shank of bolt (11) is big
Diameter in the second shank of bolt (12)；Clamp nut (2) screw thread thread segment screw thread structure corresponding with the body of bolt (1)
Secondary (8) into collet threaded, anti-loosing nut (3) screw thread thread segment screw thread corresponding with the body of bolt (1) forms anti-loose screw thread pair
(9)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510628772.4A CN105370698B (en) | 2015-09-29 | 2015-09-29 | The anti-loose mechanical retention mechanism of more screw pairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510628772.4A CN105370698B (en) | 2015-09-29 | 2015-09-29 | The anti-loose mechanical retention mechanism of more screw pairs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105370698A CN105370698A (en) | 2016-03-02 |
| CN105370698B true CN105370698B (en) | 2018-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510628772.4A Active CN105370698B (en) | 2015-09-29 | 2015-09-29 | The anti-loose mechanical retention mechanism of more screw pairs |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE323319C (en) * | 1918-12-24 | 1920-07-20 | Maria Mueller Geb Rupp | Screw locking |
| KR20060023331A (en) * | 2004-09-09 | 2006-03-14 | 고재원 | Structure of a fastening bolt for preventing from releasing and structure for screw-fastening of a bolt and a nut for preventing from releasing |
| CN202468643U (en) * | 2012-02-27 | 2012-10-03 | 河北省电力研究院 | Mutually-tightened anti-loose bolt |
| CN103953633A (en) * | 2013-12-16 | 2014-07-30 | 曹旭 | Combined locknut |
| CN205117954U (en) * | 2015-09-29 | 2016-03-30 | 玉环胜友工具有限公司 | Locking mechanical fastening mechanism that takes off of many screw pairs |
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2015
- 2015-09-29 CN CN201510628772.4A patent/CN105370698B/en active Active
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| Publication number | Publication date |
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| CN105370698A (en) | 2016-03-02 |
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