CN207033949U

CN207033949U - A kind of super fastening kit

Info

Publication number: CN207033949U
Application number: CN201720983196.XU
Authority: CN
Inventors: 张亚宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-08-08
Filing date: 2017-08-08
Publication date: 2018-02-23
Anticipated expiration: 2027-08-08

Abstract

The super fastening kit of the utility model, include bolt, nut, axle-centre lock, the bolt includes screw rod, the axle-centre lock is the polyhedron that shape is adapted with the nut shape, it is characterized in, also including prevents the circumferential movement limiting mechanism that the screw rod mutually rotates with the nut and the axial movement limiting mechanism for preventing the axle-centre lock from mutually being come off with the nut, the axle-centre lock is socketed on the nut and screw rod simultaneously by the circumferential movement limiting mechanism and axial movement limiting mechanism, interfix and be integrally formed, the utility model product structure design is reasonable, it is easy to process, while realizing more excellent anti-loose effect, save material cost and processing cost, improve worker's operating efficiency, mitigate worker's work load, it can in addition contain be used as antitheft connecting piece.

Description

A kind of super fastening kit

Technical field

The utility model belongs to securing member technical field, and in particular to a kind of super fastening kit.

Background technology

Bolt, nut are the most frequently used securing members of mechanical field, and the bolt typically used, nut are most

It is common standard fastener, in the presence of impact, vibrations or heavy load, the frictional force between screw thread pair gradually subtracts Small or pop-off, loosened so as to threaded connection occur, or even fastener is come off, lost, and plant equipment thus can be made event occur Barrier.

In the eccentric nut technology of Japan, the radial load by increasing nut and screw rod is constructed using double nut

Measure to increase frictional force, anti-loosing effect is universally acknowledged best at present.In the check washer technology of Germany, adopt Pretightning force is added indirectly with two-pad structure, and the technical requirements pad hardness is more than the hardness of nut and object contact surface, no Sufficiently large frictional force can not be then produced between pad and object, nut, two-pad structure cannot produce increase pretightning force Effect.

Applicant studies existing nut anti-looseness method and its mentality of designing, find mainly along increase nut with

The improvement and improvement that the direction of frictional force and adhesive force is carried out between bolt, implementation process is more, and dismounting inconvenience, some is very It can only extremely use damage type to remove, can not re-use, and fastening effect is also not exclusively preferable.Applicant is in preceding application New anti-loose takes off fastener by increasing axle-centre lock this connection piece, realize it is structural anti-loose between bolt, nut, effect compared with Prior art has essence and substantial lifting, but applicant when mounted can not in the technical scheme of preceding application Just, and the requirement to bolt and axle center lock construction can also increase processing cost and cost of material.

Utility model content

In order to solve prior art defect, the utility model first purpose proposes a kind of reasonable in design, anti-loose Effect is more excellent, manufacturing cost is lower, more easily super fastening kit, the utility model second purpose propose a kind of tight for handling Gu application of the external member in antitheft connecting piece, its concrete technical scheme are as follows：

A kind of super fastening kit, comprising bolt, nut, axle-centre lock, the bolt includes screw rod, and the axle-centre lock is shape The polyhedron that shape is adapted with the nut shape, also comprising the circumferential fortune for preventing that the axle-centre lock from mutually rotating with the nut Dynamic limiting mechanism and the axial movement limiting mechanism for preventing the axle-centre lock from mutually being come off with the nut, the axle-centre lock pass through The circumferential movement limiting mechanism and be axially moved limiting mechanism simultaneously be socketed on the nut and screw rod, interfix and into It is integrated, screw rod is in the motion of nut inner circle circumferential direction, axial movement after circumferential movement herein refers to bolt and nut connection Refer to bolt and nut connection after screw rod in nut along the motion in screw stem direction.

Preferably, the circumferential movement limiting mechanism is for the strip limited impression outside the screw rod or located at described The irregular spacing slotted eye of screw rod tail end and located at the axle-centre lock distal end and the strip limited impression or irregular stopper slot The jump ring shell fragment that hole is adapted, the strip that the jump ring shell fragment is adapted therewith as needed in the position of the axle-centre lock distal end The position of limited impression or irregular spacing slotted eye and it is different, it is described axial movement limiting mechanism be located at the nut side The nut neck of wall and spacing located at the axle-centre lock near-end and the nut jump ring that is adapted with the nut neck, the strip Groove and jump ring shell fragment are at least one, and the nut neck and nut jump ring are at least one.Wherein, it is described irregular spacing Slotted eye is opened in screw rod tail end, and slotted eye is concaveconvex structure, and cross section appears as irregular shape, now, the institute being adapted therewith It is also different with the shape of jump ring shell fragment during strip limited impression and position from position to state the shape of jump ring shell fragment, in addition, carrying herein One end away from bolt after referring to the bolt, nut, axle-centre lock three combination to axle-centre lock distal end, similarly axle-centre lock is near End is then close to one end of the bolt.

Preferably, the circumferential movement limiting mechanism and be axially moved limiting mechanism be outside the screw rod with it is described The opposite helical form limited impression of nut tightening direction and mutually fitted with the helical form limited impression located at axle-centre lock distal end The jump ring shell fragment matched somebody with somebody, the helical form limited impression and jump ring shell fragment are at least one, now because helical form limited impression with After jump ring shell fragment combines, circumferential movement and the axial movement of bolt can be limited simultaneously, it is no longer necessary between nut and axle-centre lock Connection member, therefore such a structure particularly saves processing cost.

Preferably, the nut is tetragonal nut or pentagon nut or hex nut, and the axle-centre lock shape mutually should be four Face body or pentahedron or hexahedron, transformation can be processed to existing commercially available nut.

Preferably, the strip limited impression or helical form limited impression and the jump ring shell fragment are mutual by quantitative transformations The ratchet mechanism of one-way movement is formed, in order to ensure the one-directional rotation direction of the axle-centre lock, the jump ring shell fragment is in the axle The distribution of heart lock distal end is also that strip limited impression or helical form limited impression are outside screw rod according to certain orientation arrangement At one, it is several to be distributed in the jump ring shell fragment of axle-centre lock distal end circumferencial direction, when strip limited impression or spiral When shape limited impression is several, the jump ring shell fragment is one, is realized with this and mutually forms spine between screw rod and axle-centre lock Take turns the effect of mechanism.

Further, the nut and the axle-centre lock are integral type casting, so can more easily carry out installation and Dismounting, while parts risk of missing is reduced, and also the structure can use as antitheft connecting piece.

Further, the switch for mounting and dismounting also is included, the switch includes switch pedestal, the switch pedestal Centre is provided with screw rod preformed hole, is provided with the preformed hole periphery and dials the jump ring shell fragment from the strip limited impression or spiral shell Shape limited impression or the plectrum of irregular spacing slotted eye are revolved, is provided with the axle-centre lock distal peripheral mutual with the switch pedestal The annular catching groove of engaging.The switch is the accessory for the design of the utility model special construction, is compared using existing commercially available non- Professional tool removes the effect that is fixedly connected of the axle-centre lock, and the switch uses more directly, more time saving and energy saving, separately Outside, when demolition works amount is larger, only all dismantlement works can need to can be completed with a spanner, is unlocked without carrying in addition Instrument pushes the jump ring shell fragment of axle-centre lock aside, and this is necessary under the dangerous operation environment such as high-altitude, because one instrument of more bands is just Burden and danger can be increased, the switch can use when the bolt and nut tightens, before the nut tightening is in place, Use the switch instead to push and be directed at the nut spring shell fragment aside and set up, afterwards twist described switch toward the nut Tight direction rotates, and now the jump ring shell fragment of the axle-centre lock somewhat rotates because of deformation generation elastic force, then by the nut, or will The outside extraction of axle-centre lock falls into locked in the helical form limited impression to jump ring shell fragment；When dismounting, by the switch edge The nut unclamps direction and rotated, and to push the spring shell fragment aside, removes the axle-centre lock, then unclamp the nut.

Further, direction is extended internally provided with the circumferentially displaced block of the limitation switch, institute in the annular catching groove The quantity for stating block is at least one, and it is circumferentially displaced along annular catching groove that the setting of block can limit the switch, with more square Just push the jump ring shell fragment aside exactly, save the take-down time.

Further, the switch is cast with the axle-centre lock or the switch with the axle-centre lock, nut for integral type. This design, more convenient can be mounted and dismounted, while reduce parts risk of missing.

A kind of application of fastening kit as antitheft connecting piece, by foregoing there is helical form limited impression or nut axle center to lock The nut or nut axle center lock disjunctor in the super fastening kit of integral cast screw on the screw rod extremely can be by the axle Heart pintle hook lock spring shell fragment packs into the helical form limited impression or strip limited impression, compresses the axle-centre lock and screws, now spiral shell Enter locking state between female, screw rod, realize anti-theft function, if necessary to release anti-theft state, it is necessary to use special unlocking work Tool can be opened.

Compared with prior art, the super fastening kit of the utility model has advantages below and effect：

1st, the utility model product structure design is reasonable, by bolt, nut assembly circumferential movement and axial movement Limitation, realize structural anti-loose effect between bolt, nut；

2nd, by improving the structure of bolt, axle-centre lock, groove or slotted eye, the card of axle-centre lock are formed directly outside screw rod Spring shell fragment also uses simplified position limiting structure, so as to save material cost and processing cost；

3rd, this sleeve piece is switched by adding, not only installation and removal are more convenient, accurate, quick, decrease worker's Workload and risk potential；

4th, the utility model product is shaped as helical form limited impression or nut axle center lock integral cast in screw flutes During structure, antitheft connecting piece use is also used as；

5th, the utility model product has a wide range of application because of its own design feature, in addition to standard machinery equipment, can met The use demand in the fields such as automobile, rocket, aircraft carrier, high ferro, bridge, rail.

Brief description of the drawings

In order to illustrate more clearly of the utility model embodiment technical scheme, below by the sign to being previously mentioned in embodiment Parameter is showed with accompanying drawing, it should be apparent that, drawings discussed below is only some embodiments of the utility model.

Fig. 1 is the stereochemical structure exploded view of the utility model embodiment 1；

Fig. 2 is the part assembled state schematic diagram of the utility model embodiment 1；

Fig. 3 is the complete combination view of the utility model embodiment 1；

Fig. 4 is the axle-centre lock stereogram of the utility model embodiment 2；

Fig. 5 is the bolt top view of the utility model embodiment 2；

Fig. 6 is the bolt of the utility model embodiment 2, nut, axle-centre lock assembled state profile；

Fig. 7 is the stereochemical structure exploded view of the utility model embodiment 4；

Fig. 8 is the assembled state schematic diagram of the utility model embodiment 4；

Fig. 9 the utility model embodiments 4 switch stereogram；

Figure 10 is the axle-centre lock of the utility model embodiment 5, nut, switch integrated structural perspective；

Figure 11 is the axle-centre lock of the utility model embodiment 5, nut, switch integrated structure upward view；

Figure 12 is that the utility model line of production illustrates schematic diagram.

Label declaration：

1- bolts；11- screw rods；2- nuts；3- axle-centre locks；4- strip limited impressions；4'- helical form limited impressions；4''- Irregular spacing slotted eye；41- jump ring shell fragments；5- nut necks；51- nut jump rings；61- switch pedestals；62- plectrums；63- annulars Catching groove；64- blocks.

Embodiment

The utility model is described in further detail with reference to embodiment, following examples are to the utility model Explanation and the utility model is not limited to following examples.Involved material or equipment such as nothing are especially said in each embodiment It is bright, it is commercially available conventional material or equipment, involved detection method is then conventional method unless otherwise instructed.

Embodiment 1：As shown in Fig. 1-3,12, a kind of super fastening kit, comprising bolt, nut, axle-centre lock, the bolt Comprising screw rod, the nut is hex nut, and the axle-centre lock is hexahedron and can connected together with the nut, is also wrapped Limited containing the strip for preventing the circumferential movement limiting mechanism that the screw rod mutually rotates with the nut to be located at outside the screw rod Position groove and located at the jump ring shell fragment that is adapted with the strip limited impression of axle-centre lock distal end, prevent the axle-centre lock with The axial movement limiting mechanism that the nut mutually comes off, i.e., located at the nut neck of the nut side wall and located at the axle center Lock near-end and the nut jump ring being adapted with the nut neck, the strip limited impression and jump ring shell fragment are three, and It is distributed in the shape stood like the legs of a tripod, the nut neck is six, and the nut jump ring is one.

Installation method：1st, the nut is screwed on, it is spacing recessed that rotation can extremely pack into axle-centre lock spring card screw rod strip The precalculated position of groove；2nd, axle-centre lock is covered into top nut, and entered the axle-centre lock with nut with nut jump ring by nut neck Row is fixedly connected, and axis of rotation is locked to the nut and fallen into for pulled-up condition and its spring card in the strip limited impression.

Method for dismounting：1st, axle-centre lock is firmly extracted, dynamics is enough to abolish nut jump ring and nut neck each other axially Active force；2 normal to screw off nut i.e. dismountable.

The anti-loose effect of the present embodiment product is good, easy to process, saves material cost and processing cost.

Embodiment 2：As shown in Fig. 4-6,12, the present embodiment as different from Example 1, the circumferential movement limiting mechanism For located at the irregular spacing slotted eye of the screw rod tail end and located at axle-centre lock distal end and the irregular spacing slotted eye phase The jump ring shell fragment of adaptation, the irregular spacing slotted eye and the jump ring shell fragment being adapted therewith are similar to unidirectional propeller, described The cross section of irregular spacing slotted eye is irregular, and spacing slotted eye can just accommodate the jump ring in the upward depth of screw shaft The height of shell fragment, the height of the jump ring shell fragment can also be more than.

Embodiment 3：As different from Example 1, the circumferential movement limiting mechanism and axial movement limit the present embodiment Mechanism is located at the screw rod outside helical form limited impression opposite with the nut tightening direction and located at the axle-centre lock The jump ring shell fragment that distal end is adapted with the helical form limited impression, the helical form limited impression have three, the jump ring bullet Piece is one, and both form the ratchet mechanism of an one-way movement.

Installation method：1st, by the nut precession screw rod, extremely the jump ring shell fragment can be packed into helical form limited impression Precalculated position；2nd, by the nut on the axle-centre lock clamping sleeve and tighten；3rd, the axle-centre lock is outwards extracted to jump ring bullet Piece falls into helical form limited impression, or clockwise, rotate counterclockwise the axle center and be locked to the jump ring shell fragment and fall into the spiral Shape limited impression, to play a part of while limit circumferential movement and be axially moved.

Method for dismounting：1st, axle-centre lock is inserted by other extracting tools, is rotated toward the nut direction is unclamped by the card Spring shell fragment is pushed aside；2 extract the axle-centre lock；3rd, the nut is screwed off.

Fastening effect can be achieved by simplest structure in the present embodiment product, more saves manufacturing cost.

Embodiment 4：As shown in Fig. 7-9,12, as different from Example 3, the jump ring shell fragment is three to the present embodiment, Also include the switch for mounting and dismounting, the switch includes switch pedestal, and being provided with screw rod among the switch pedestal reserves Hole, it is provided with the preformed hole periphery and dials the jump ring shell fragment from the helical form limited impression plectrum, in the axle-centre lock Distal peripheral is provided with the annular catching groove being mutually clamped with the switch pedestal, and direction is extended internally provided with limit in the annular catching groove The circumferentially displaced block of the switch is made, the quantity of the block is three.

Installation method：1st, so that nut tightening direction is clockwise as an example, the nut is tightened；2nd, it is the switch is counterclockwise Rotate to push the jump ring shell fragment aside；3rd, the axle-centre lock is put into the nut；4 rotate clockwise the switch, now Jump ring shell fragment is had an effect screw rod；5th, the axle-centre lock is outwards extracted to the jump ring shell fragment and falls into helical form limited impression, or By clockwise, rotate counterclockwise to the jump ring shell fragment and fall into helical form limited impression.

Method for dismounting：1st, switch is rotated counterclockwise to push the jump ring shell fragment aside；2 is direct using sleeve or spanner Rotating counterclockwise axle-centre lock can dismantle the switch and axle-centre lock simultaneously.

The present embodiment product adds switch so that has removed and installed special part, dismounting is more convenient, time saving and energy saving.

Embodiment 5：As shown in figs. 10-11, the present embodiment as different from Example 4, it is described switch with the axle-centre lock, Nut casts for integral type.

The installation of the present embodiment product, dismounting are more convenient, time saving and energy saving, and parts concentration is not easy to be lost together, in high-altitude It is more safe and efficient in the inconvenient environment such as operation.

Furthermore, it is necessary to explanation, the equivalent or simple change that all principles described according to the utility model patent design are done Change, be included in the protection domain of the utility model patent, the utility model person of ordinary skill in the field can be right Described specific embodiment is made various modifications or supplement or substituted using similar mode, without departing from this practicality New structure surmounts scope defined in the claims, all should belong to the scope of protection of the utility model.

Claims

1. a kind of super fastening kit, comprising bolt, nut, axle-centre lock, the bolt includes screw rod, and the axle-centre lock is shape The polyhedron being adapted with the nut shape, it is characterised in that also including prevents the screw rod from mutually being rotated with the nut Circumferential movement limiting mechanism and the axial movement limiting mechanism that prevents the axle-centre lock and the nut from mutually coming off, the axle Heart lock is socketed on the nut and screw rod simultaneously by the circumferential movement limiting mechanism and axial movement limiting mechanism, mutually Fix and be integrally formed.

2. super fastening kit according to claim 1, it is characterised in that the circumferential movement limiting mechanism is located at institute State the strip limited impression outside screw rod or the irregular spacing slotted eye located at the screw rod tail end and remote located at the axle-centre lock The jump ring shell fragment being adapted with the strip limited impression or irregular spacing slotted eye is held, the jump ring shell fragment is in the axle-centre lock Strip limited impression or the position of irregular spacing slotted eye that the position of distal end is adapted therewith as needed and different, institute State be axially moved limiting mechanism be located at the nut neck of the nut side wall and located at the axle-centre lock near-end and with the spiral shell The nut jump ring that master card groove is adapted, the strip limited impression and jump ring shell fragment are at least one, the nut neck and spiral shell Master card spring is at least one.

3. super fastening kit according to claim 1, it is characterised in that the circumferential movement limiting mechanism and axially fortune Dynamic limiting mechanism is located at the screw rod outside helical form limited impression opposite with the nut tightening direction and located at described The jump ring shell fragment that axle-centre lock distal end is adapted with the helical form limited impression, the helical form limited impression and jump ring shell fragment are extremely It is one less.

4. super fastening kit according to claim 1, it is characterised in that the nut is tetragonal nut or pentagon nut Or hex nut, the axle-centre lock shape mutually should be tetrahedron or pentahedron or hexahedron.

5. according to the super fastening kit described in claim 2-4 any one, it is characterised in that the strip limited impression or Helical form limited impression mutually forms ratchet mechanism with the jump ring shell fragment by quantitative transformations.

6. according to the super fastening kit described in claim 2-4 any one, it is characterised in that the nut and the axle center Lock and cast for integral type.

7. according to the super fastening kit described in claim 2-4 any one, it is characterised in that also include and be used to pacify installation and dismantling The switch unloaded, the switch include switch pedestal, screw rod preformed hole are provided among the switch pedestal, on the preformed hole periphery Provided with the jump ring shell fragment is dialled from the strip limited impression or helical form limited impression or the plectrum of irregular spacing slotted eye, The annular catching groove being mutually clamped with the switch pedestal is provided with the axle-centre lock distal peripheral.

8. super fastening kit according to claim 7, it is characterised in that set in the annular catching groove direction that extends internally The circumferentially displaced block of the restricted switch, the quantity of the block are at least one.

9. super fastening kit according to claim 7, it is characterised in that the switch and the axle-centre lock described are opened Close and cast with the axle-centre lock, nut for integral type.