CN114738363B - Anti-loose bearing nut - Google Patents
Anti-loose bearing nut Download PDFInfo
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- CN114738363B CN114738363B CN202210357442.6A CN202210357442A CN114738363B CN 114738363 B CN114738363 B CN 114738363B CN 202210357442 A CN202210357442 A CN 202210357442A CN 114738363 B CN114738363 B CN 114738363B
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- block
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- limiting
- positioning
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- 230000008093 supporting effect Effects 0.000 claims abstract description 73
- 230000000670 limiting effect Effects 0.000 claims description 84
- 238000009434 installation Methods 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 230000003139 buffering effect Effects 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 11
- 229910000639 Spring steel Inorganic materials 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 241000446313 Lamella Species 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
Classifications
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- 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
-
- 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
- F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
-
- 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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
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- 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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
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- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Bolts, Nuts, And Washers (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses a locking bearing nut, belongs to the technical field of bearing nuts, and provides a bearing nut which is simple in structure and capable of being elastically adjusted, and particularly comprises a nut body, a locking washer, a bearing piece and a locking nut, wherein the locking washer is coaxially arranged on one side of the nut body; the first arc-shaped part of the supporting flap forms good elasticity between the whole supporting flap and the joint of the supporting flap, and is connected with the locking gasket through the inclined connecting part, and finally, the arc-shaped part is contacted with the locking gasket through the arc-shaped abutting part, so that the effects of good elastic buffering and stopping are further achieved.
Description
Technical Field
The invention belongs to the technical field of bearing nuts, and particularly relates to an anti-loose bearing nut.
Background
The hub bearing nut is a fastener used on an automobile, so that the stability of the bearing nut directly influences the running stability and safety of the automobile, in the long-time use process, in order to prevent the hub bearing nut from loosening, an elastic ring is usually arranged between the nut and a bolt, and the elastic ring applies a certain elastic force to the nut to prop against the nut, so that the nut is prevented from loosening, but the existing elastic ring is not easy to fix on the nut, is used for a long time, and is easy to wear or rust in threads of the nut to influence use. Although a hub bearing nut such as the one disclosed in chinese patent publication No. CN212003894U appears on the market, the anti-loosening effect of such a structure is not good and the bearing cannot be elastically compressed.
Disclosure of Invention
The invention aims to provide an anti-loose bearing nut which is simple in structure and capable of being elastically adjusted.
The purpose of the invention is realized in the following way: an anti-loose bearing nut, comprising a nut body, further comprising:
the locking washer is coaxially arranged at one side of the nut body, a plurality of evenly distributed positioning blocks are formed at the inner edge of the locking washer, the nut body is made of 40Cr steel,
the bearing piece is arranged between the locking washer and the nut body;
the receiving piece comprises
The support piece, one end of the support piece is propped against the nut body, the outer contour of the support piece is round, the inner contour is formed by connecting a plurality of straight line parts uniformly distributed along the circumference and is in a regular polygon, a bearing part extending towards the middle part of the support piece is formed between every two straight line parts,
the supporting petals are respectively provided with a supporting petal which extends towards the middle direction close to the locking gasket and far away from the supporting plate, each supporting petal is of a petal-shaped structure with a narrow root wide end part and comprises a first arc-shaped part, an inclined connecting part, a first round corner part and an arc-shaped abutting part, each supporting petal abuts against the locking gasket through the corresponding arc-shaped abutting part of each supporting petal, each supporting petal and each supporting part are provided with a supporting groove which extends along the outline of each supporting petal and each supporting petal, and an included angle of 35-45 degrees is formed between each inclined connecting part and each supporting part. And the supporting petals and the positioning blocks of the locking washers are in a staggered distribution state during installation.
The bearing piece is arranged between the nut body and the locking washer, the whole bearing piece is made of a 65Mn spring steel sheet through processes such as stamping, and good elasticity is formed between the whole bearing piece and the joint of the bearing piece due to the arrangement of the first arc-shaped part of the bearing piece; and an included angle of 35-45 degrees is formed between the inclined connecting part and the bearing part, so that good elasticity and structural strength of the supporting flap can be ensured, and the bearing can axially float in a tiny distance. The whole mass of the supporting valve can be lightened by the arranged bearing groove.
The invention is further provided with: the thickness of the positioning block is larger than that of the locking washer and smaller than the height of the supporting flap; and a fixed block with the width larger than that of the positioning block is formed on one side of the positioning block, which is far away from the middle part of the locking gasket, the side of the fixed block, which is far away from the locking gasket, is in a plane, and the thickness of the fixed block is equal to that of the positioning block. The positioning block, the fixed block and the locking washer are integrally formed.
The thickness of the positioning block is larger than that of the locking washer, so that good positioning and limiting effects can be ensured; the fixed block can limit the distance between the nut body and the locking washer, so that the situation that the nut body is excessively screwed to cause damage to the bearing piece is avoided, and meanwhile, the distance between the locking washer and the nut body can be limited by the locking washer in the shaking process of the bearing.
The invention is further provided with: a mounting groove is arranged on the side wall of each fixed block, a limit sliding block is arranged on the mounting groove, a positioning hole penetrating into the mounting groove is arranged on the end face of the positioning block,
and a matching hole penetrating the nut body is formed in the nut body, a fixing threaded hole corresponding to the positioning hole is formed at the end part of the limit sliding block, and a positioning bolt penetrating the matching hole and the positioning hole and then connected with the fixing threaded hole is arranged. Wherein the matching hole is a countersunk through hole.
Through positioning bolt connection nut body and spacing slider, the cooperation of rethread spacing slider and mounting groove can further prevent that the nut body from appearing rotating to can play good locking loose effect after the nut body installation, and then ensure the stability of wheel hub bearing installation.
The invention is further provided with: the limit slide block comprises
The sliding block body is quadrilateral, the middle part of the installation groove is matched with the sliding block body, the sliding block body can slide up and down in the installation groove,
the inclined connecting block is positioned on one side of the sliding block body close to the nut body, the cross section of the inclined connecting block is a right triangle, the hypotenuse of the right triangle is positioned on one side close to the mounting groove, the upper part of the mounting groove is provided with an inclined plane matching part which is matched with the inclined connecting block, the fixed threaded hole is inserted from the hypotenuse of the inclined connecting block and does not extend into the sliding block body,
the limiting buffer block is positioned on one side, far away from the nut body, of the sliding block body, a matching groove is formed in the lower side of the mounting groove, and a limiting buffer piece elastically matched with the limiting buffer block is arranged on the matching groove.
The slider body and the mounting groove cooperation can ensure that radial rotation can not appear in the slider body, and the cooperation of rethread positioning bolt can prevent that the nut body from appearing rotating, and then ensures good locking effect, and the setting of slope connecting block can reduce the impact between spacing slider and the mounting groove when spacing slider appears axial displacement, and then ensures the life of spacing slider and lock washer. And can play good axial elasticity buffering effect to it through spacing buffer block and spacing buffering with the cooperation after spacing slider installation, and then also can play good elasticity buffering effect after the nut body is connected with spacing slider, and then ensures the stability of bearing installation.
The invention is further provided with: the cross section of the matching groove is rectangular, and the limit buffer block comprises
The trapezoid guide block with the isosceles trapezoid cross section is positioned at one side of the connecting slide block body,
the limit buffer piece comprises
The limit cover plate is fixedly covered on the matching groove through a bolt,
the two sides of the limit cover plate are provided with two symmetrical locating rods,
limiting blocks are arranged on each positioning rod, limiting blocks capable of freely sliding ways are arranged on one side, facing the middle part of the limiting cover plate, of each limiting block, matching inclined planes matched with the trapezoid guide blocks are arranged on one side, facing the middle part of the limiting cover plate, of each limiting block, and two end faces of each limiting block after installation are respectively attached to the limiting cover plate and the corresponding matching groove
And the two buffer springs are respectively sleeved on each positioning rod and respectively arranged on two sides of the limiting block, and two ends of each buffer spring are respectively propped against the limiting block and the limiting cover plate.
Through the cooperation of trapezoidal guide block with stopper and buffer spring for spacing slider is elasticity fixed connection in the mounting groove, thereby makes can ensure at the bearing axial in-process that the lock washer can carry out certain axial displacement relatively, and plays good elasticity buffering's effect, ensures the lock washer simultaneously and carries out good elasticity fixed effect under the complex of leaf spring and supporting lamella. And the limit cover is fixed through the bolt, so that the follow-up replacement and maintenance of the limit buffer part in the later period can be facilitated.
The invention is further provided with: the limit buffer block also comprises
The lower pressure bearing block is positioned at one side of the trapezoid guide block far away from the sliding block body, and arc bearing parts are formed at two sides of the lower end of the lower pressure bearing block,
the limit buffer part also comprises
The two limit rods are symmetrically arranged on the limit cover plate, the other end of the limit rod is propped against the matching groove, the matching groove is provided with a receiving hole which is matched with the end part of the positioning rod,
the limiting crank is provided with a rotatable limiting crank on each limiting rod, a downward pressing contact part which is tilted upwards is formed in the direction of the middle of the limiting cover plate in a downward pressing mode, an arch part protruding towards the direction of the limiting block is formed on one side, away from the middle of the limiting cover plate, of each limiting rod, a clamping groove is formed in the end portion of each arch part, the clamping grooves clamp the repositioning rods, and the downward pressing contact part is pushed to move downwards when the downward pressing contact part moves downwards, so that the arch part abuts against the limiting block.
The whole supporting effect of spacing slider can be further played through spacing crank setting, and the lower pressure adapting piece moves down and can make the lower pressure contacting portion move down for the arch portion supports the stopper, has avoided the holistic lower movement of spacing slider, thereby reaches good spacing buffering's effect.
The invention is further provided with: a buffer groove is also arranged at the bottom of the matching groove, the buffer groove and the matching groove are covered by the limit cover plate, a buffer piece is arranged on the buffer groove,
the buffer member comprises
The two ends of the two buffer sheets which are symmetrically arranged are overlapped together, and arc-shaped elastic parts which are far away from each other are formed at the downward positions of the middle parts of the two buffer sheets,
a lower clamping block which is arranged on one side of the two buffer sheets far away from the matching groove and fixes the end parts of the two buffer sheets together,
an upper clamping block is arranged on one side of the two buffer sheets close to the matching groove, and is used for fixing the end parts of the two buffer sheets together, and the buffer sheet on the side of the upper clamping block extends out of the buffer groove and enters the matching groove;
the side wall of the buffer tank is arc-shaped, and the arc-shaped elastic part is not propped against the side wall of the buffer tank in a normal state; an upper placement groove for placing the upper clamping block is formed in the bottom of the lower pressing bearing block, and a lower placement groove for placing the lower clamping block is formed in the buffer groove. The buffer sheet 65Mn spring steel.
The buffer piece is arranged, the bottom of the limit sliding block can further play a good elastic buffering role, so that the lock washer can be ensured to play a good elastic buffering role when the bearing floats, and the arc-shaped elastic part of the buffer piece can play a good elastic buffering role, and the lower clamping block can be conveniently fixed by the arrangement of the upper clamping block.
The invention is further provided with: a limiting rib is formed on the bevel edge of the inclined connecting block, and a limiting groove matched with the limiting rib is formed on the inclined matching part;
the number of the matching holes is 1.5-2 times of the number of the positioning blocks; the number of the positioning blocks is 2-8, and the number of the positioning blocks is even;
a positioning groove matched with the supporting piece is formed on one side of the nut body close to the supporting piece, and the depth of the positioning groove is equal to the thickness of the supporting piece;
and a plurality of connecting grooves matched with the positioning blocks are arranged on the transmission shaft matched with the nuts.
The limiting ribs are arranged on the inclined connecting blocks, so that a good limiting effect can be achieved on the limiting sliding blocks, and the limiting sliding blocks are prevented from sliding out of the inclined plane matching parts under the inertia effect when the locking washers shake in China; the number of the matching holes is 1.5-2 times of the number of the positioning blocks, so that the installation of the positioning bolts can be completed by slightly adjusting the angle of the nut body during assembly; the positioning groove can prevent the support piece from radial deflection, so that the elastic buffering performance of the support piece is reduced.
The invention is further provided with: the mounting method of the bearing nut comprises the following steps:
aligning a positioning block of a locking gasket to a connecting groove of a transmission shaft, adjusting the locking gasket to be arranged on the transmission shaft, and arranging one end with a fixing block towards the installation direction of the locking gasket;
step two, the supporting flaps of the supporting pieces are aligned with gaps between the fixed blocks and are turned into a transmission shaft;
step three, screwing the nut body into the transmission shaft until the nut body abuts against the end face of the supporting piece, and then adjusting the angle of the nut body to enable the matching hole to be aligned with the positioning hole on the positioning block;
step four, screwing in a positioning bolt to enable the bolt to be connected with the fixed threaded hole;
the disassembly is carried out according to the opposite steps; the mounting method can facilitate the assembly of the bearing nut and the follow-up and maintenance of later parts.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a front view of the middle anchor block of the present invention;
FIG. 3 is a side view of a limit slider of the present invention;
FIG. 4 is a front view of the limit bumper of the present invention;
FIG. 5 is a schematic view of a stop lever according to the present invention;
FIG. 6 is a top view of the lock washer of the present invention;
FIG. 7 is a schematic view of the structure of the bearing plate of the present invention;
reference numerals and corresponding part names in the drawings: the nut comprises a 1-nut body, a 2-locking washer, a 4-positioning block, a 5-supporting piece, a 6-bearing part, a 7-supporting flap, a 7 a-first arc part, a 7 b-inclined connecting part 7 c-first round corner part, a 7 d-arc abutting part, an 8-bearing groove, a 9-fixed block, a 10-mounting groove, an 11-positioning hole, a 12-fixed threaded hole, a 13-positioning bolt, a 14-sliding block body, a 15-inclined connecting block, a 16-matching groove, a 17-trapezoid guide block, an 18-limiting cover plate, a 19-positioning rod, a 20-limiting block, a 21-buffer spring, a 22-limiting rod, a 23-limiting crank, a 23 a-lower pressing contact part, a 23 b-arch part, a 24-buffer groove, a 25-buffering piece, a 26-lower clamping block, a 27-upper clamping block, a 29-matching hole and a 30-lower pressing bearing block.
Detailed Description
The invention is further described in the following embodiments with reference to the figures, see fig. 1-7:
example 1
An anti-loose bearing nut, comprising a nut body 1, further comprising:
the locking washer 2, the locking washer 2 is coaxial to be set up in one side of nut body 1 to be formed with a plurality of evenly distributed and locating piece 4 in the interior edge of locking washer 2, nut body 1 is made by 40Cr steel, and the round pin post is made by 50 steel.
The bearing sheet is arranged between the locking washer 2 and the nut body 1;
the receiving piece comprises
The support piece 5, one end of the support piece 5 is propped against the nut body 1, the outer contour of the support piece 5 is round, the inner contour is formed by connecting a plurality of straight line parts uniformly distributed along the circumference and is in a regular polygon, a bearing part 6 extending towards the middle part of the support piece 5 is formed between every two straight line parts,
the supporting petals 7 are arranged on each supporting part 6, the supporting petals 7 are arranged on each supporting part 6 and extend towards the middle direction close to the locking gasket 2 and far away from the supporting plates 5, each supporting petal 7 is of a petal-shaped structure with a narrow root wide end part, each supporting petal comprises a first arc-shaped part 7a, an inclined connecting part 7b, a first round corner part 7c and an arc-shaped abutting part 7d, each supporting plate abuts against the locking gasket 2 through the corresponding arc-shaped abutting part 7d of each supporting petal 7, supporting grooves 8 extending along the outlines of the corresponding supporting part 6 and the corresponding supporting petal 7 are arranged on each supporting petal 7 and each supporting part 6, and an included angle of 35-45 degrees is formed between each inclined connecting part 7b and each supporting part 6. And the supporting flap 7 and the positioning block 4 of the locking washer 2 are in a staggered distribution during installation.
The bearing sheet is arranged between the nut body 1 and the locking washer 2, the whole bearing sheet is made of 65Mn spring steel sheets through processes such as stamping, and good elasticity is formed between the whole bearing sheet 7 and the joint of the bearing sheet 5 due to the arrangement of the first arc-shaped part 7a of the bearing sheet 7, and the bearing sheet is connected with the locking washer through the inclined connecting part 7b, and finally, the bearing sheet is contacted with the locking washer through the arc-shaped abutting part 7d, so that the effects of good elastic buffering and stopping are further achieved; and an included angle of 35-45 degrees is formed between the inclined connecting part 7b and the bearing part 6, so that good elasticity and structural strength of the supporting flap 7 can be ensured, and the bearing can axially float in a tiny distance. The supporting groove 8 can lighten the whole mass of the supporting flap 7.
Example two
Further provided on the basis of the first embodiment is: the thickness of the positioning block 4 is larger than that of the locking washer 2 and smaller than the height of the supporting flap 7; and a fixed block 9 with a width larger than that of the positioning block 4 is formed on one side of the positioning block 4 far away from the middle part of the locking washer 2, one side of the fixed block 9 far away from the locking washer 2 is in a plane, and the thickness of the fixed block 9 is equal to that of the positioning block 4. The positioning block 4, the fixing block 9 and the locking washer 2 are integrally formed.
The thickness of the positioning block 4 is larger than that of the locking washer 2, so that good positioning and limiting effects can be ensured; the fixed block 9 can limit the distance between the nut body 1 and the locking washer 2, so that the situation that the nut body 1 is excessively screwed to cause damage to the bearing piece and the like is avoided, and meanwhile, the distance between the locking washer 2 and the nut body 1 can be limited by the locking washer 2 in the process of shaking the bearing.
Example III
The second embodiment is further provided with: a mounting groove 10 is arranged on the side wall of each fixed block 9, a limit slide block is arranged on the mounting groove 10, a positioning hole 11 penetrating to the mounting groove 10 is arranged on the end face of the positioning block 4,
the nut body 1 is provided with a matching hole 29 penetrating the nut body 1, the end part of the limit slider is provided with a fixing threaded hole 12 corresponding to the positioning hole 11, and a positioning bolt 13 penetrating the matching hole 29 and the positioning hole 11 and then connected with the fixing threaded hole 12 is arranged. Wherein the mating hole 29 is a countersunk through hole.
The nut body 1 and the limit sliding block are connected through the positioning bolt 13, and the nut body 1 can be further prevented from rotating by matching the limit sliding block with the mounting groove 10, so that a good anti-loosening effect can be achieved after the nut body 1 is mounted, and the stability of the hub bearing mounting is further ensured.
Example IV
The third embodiment is further configured as follows: the limit slide block comprises
The sliding block body 14, the sliding block body 14 is quadrilateral, the middle part of the installation groove 10 is matched with the sliding block body 14, the sliding block body 14 can slide up and down in the installation groove 10,
the inclined connecting block 15, the inclined connecting block 15 is positioned at one side of the slide block body 14 close to the nut body 1, the cross section of the inclined connecting block 15 is in a right triangle shape, the hypotenuse of the right triangle is positioned at one side close to the mounting groove 10, the upper part of the mounting groove 10 is provided with an inclined plane matching part matched with the inclined connecting block 15, the fixed threaded hole 12 is inserted from the hypotenuse of the inclined connecting block 15 and does not extend into the slide block body 14,
the limit buffer block is positioned on one side of the slider body 14 away from the nut body 1, a matching groove 16 is arranged on the lower side of the mounting groove 10, and a limit buffer piece elastically matched with the limit buffer block is arranged on the matching groove 16.
The slider body 14 cooperates with the mounting groove 10, can ensure that radial rotation can not appear in the slider body 14, and the cooperation of rethread positioning bolt 13 can prevent that nut body 1 from appearing rotating, and then ensures good locking effect, and the setting of slope connecting block 15 can reduce the impact between spacing slider and the mounting groove 10 when spacing slider appears axial displacement, and then ensures the life of spacing slider and lock washer 2. And can play good axial elasticity buffering effect to it through spacing buffer block and spacing buffering with the cooperation after spacing slider installation, and then also can play good elasticity buffering effect after nut body 1 is connected with spacing slider, and then ensures the stability of bearing installation.
Example five
Further provided on the basis of the fourth embodiment is: the cross section of the matching groove 16 is rectangular, and the limit buffer block comprises
A trapezoid guide block 17, wherein the trapezoid guide block 17 with an isosceles trapezoid cross section is positioned at one side of the connecting slide block body 14,
the limit buffer piece comprises
The limit cover plate 18, the limit cover plate 18 is fixedly covered on the matching groove 16 through bolts,
the positioning rods 19 are arranged on two sides of the limiting cover plate 18, two symmetrical positioning rods 19 are arranged on two sides of the limiting cover plate 18,
the limiting blocks 20, each positioning rod 19 is provided with a limiting block 20 capable of freely sliding, one side of the limiting block 20 towards the middle of the limiting cover plate 18 is provided with a matching inclined plane matched with the trapezoid guide block 17, and two end surfaces of the installed limiting block 20 are respectively attached to the limiting cover plate 18 and the matching groove 16
The buffer springs 21 are respectively sleeved on each positioning rod 19, the two buffer springs 21 are respectively arranged on two sides of the limiting block 20, and two ends of each buffer spring 21 respectively abut against the limiting block 20 and the limiting cover plate 18.
Through the cooperation of trapezoidal guide block 17 with stopper 20 and buffer spring 21 for spacing slider is elasticity fixed connection in mounting groove 10, thereby makes can ensure at the bearing axial floating in-process that lock washer 2 can carry out certain axial displacement relatively, and plays good elasticity buffering effect, ensures lock washer 2 simultaneously and carries out good elasticity fixed effect under the complex of leaf spring 28 and supporting lamella 7. And the limit cover is fixed through the bolt, so that the follow-up replacement and maintenance of the limit buffer part in the later period can be facilitated.
Example six
The fifth embodiment is further configured as follows: the limit buffer block also comprises
The pressing bearing block 30 is arranged at one side of the trapezoid guide block 17 far away from the slide block body 14, and arc bearing parts 6 are formed at two sides of the lower end of the pressing bearing block 30,
the limit buffer part also comprises
The limit rods 22, the two limit rods 22 are symmetrically arranged on the limit cover plate 18, the other end of the limit rod abuts against the matching groove 16, the matching groove 16 is provided with a receiving hole which is matched with the end part of the positioning rod 19,
the limiting crank 23 is further provided with a rotatable limiting crank 23 on each limiting rod 22, a downward pressing contact part 23a tilting upwards towards the direction of the downward pressing contact block 30 is formed on the limiting crank 23 towards the middle part of the limiting cover plate 18, a raised arch part 23b protruding towards the direction of the limiting block 20 is formed on one side away from the middle part of the limiting cover plate 18, a clamping groove is formed at the end part of the raised arch part 23b, the clamping groove clamps the repositioning rod 19, and when the downward pressing contact block 30 moves downwards, the downward pressing contact part 23a is driven to move downwards, so that the raised arch part 23b butts against the limiting block 20.
The whole limiting slide block can be further supported through the arrangement of the limiting crank 23, the downward movement of the downward pressing bearing block 30 can promote the downward movement of the downward pressing contact part 23a, the arch part 23b is propped against the limiting block 20, the whole downward movement of the limiting slide block is avoided, and therefore a good limiting buffering effect is achieved.
Example seven
Further configured on the basis of the sixth embodiment are: a buffer groove 24 is also arranged at the bottom of the matching groove 16, the limiting cover plate 18 covers the buffer groove 24 and the matching groove 16, and a buffer piece is arranged on the buffer groove 24,
the buffer member comprises
The two ends of the buffer sheets 25 which are symmetrically arranged are overlapped, and arc-shaped elastic parts which are far away from each other are formed at the downward position of the middle parts of the two buffer sheets 25,
a lower clamping block 26, a lower clamping block 26 for fixing the end parts of the two buffer sheets 25 together is arranged on one side of the two buffer sheets 25 away from the matching groove 16,
an upper clamping block 27, wherein one side of the two buffer sheets 25 close to the matching groove 16 is provided with an upper clamping block 27 for fixing the end parts of the two buffer sheets 25 together, and the buffer sheet 25 on the side of the upper clamping block 27 extends out of the buffer groove 24 and enters the matching groove 16;
the side wall of the buffer tank 24 is arc-shaped, and the arc-shaped elastic part is not propped against the side wall of the buffer tank 24 in a normal state; an upper seating groove in which the upper clamping block 27 is seated is provided at the bottom of the push-down receiving block 30, and a lower seating groove in which the lower clamping block 26 is seated is provided on the buffer groove 24. The buffer sheet 2565Mn spring steel.
The buffer piece is arranged, so that the bottom of the limit sliding block can further play a good elastic buffering role, the lock washer 2 can be ensured to float when the bearing floats, the arc-shaped elastic part of the buffer piece 25 can play a good elastic buffering role, and the lower clamping block 26 is arranged on the upper clamping block 27, so that the buffer piece can be conveniently fixed.
Example eight
Further arranged on the basis of the seventh to eighth embodiments are: a limit rib is formed on the bevel edge of the inclined connecting block 15, and a limit groove matched with the limit rib is formed on the inclined matching part;
the number of the matching holes 29 is 1.5-2 times that of the positioning blocks 4; the number of the positioning blocks 4 is 2-8, and the number is even;
a positioning groove matched with the supporting piece 5 is formed on one side of the nut body 1 close to the supporting piece 5, and the depth of the positioning groove is equal to the thickness of the supporting piece 5;
and a plurality of connecting grooves matched with the positioning blocks 4 are arranged on the transmission shaft matched with the nuts.
The limiting ribs are arranged on the inclined connecting blocks 15, so that a good limiting effect can be achieved on the limiting sliding blocks, and the limiting sliding blocks are prevented from sliding out of the inclined plane matching parts under the inertia effect when the locking washers 2 shake in China; the number of the matching holes 29 is 1.5-2 times of the number of the positioning blocks 4, so that the installation of the positioning bolts 13 can be completed by slightly adjusting the angle of the nut body 1 during the assembly; the provision of the positioning grooves prevents the support piece 5 from being radially offset, resulting in a decrease in the elastic damping performance thereof.
The mounting method of the bearing nut comprises the following steps:
aligning a positioning block 4 of a locking gasket to a connecting groove of a transmission shaft, adjusting the locking gasket to be arranged on the transmission shaft, and arranging one end with a fixing block 9 towards the installation direction of the locking gasket;
step two, the supporting flap 7 of the supporting sheet is aligned with the gap between the fixed blocks 9 and is turned into a transmission shaft;
step three, screwing the nut body 1 into the transmission shaft until the nut body 1 abuts against the end face of the supporting piece 5 of the bearing piece, and then adjusting the angle of the nut body 1 to enable the matching hole 29 to be aligned with the positioning hole 11 on the positioning block 4;
step four, screwing in a positioning bolt 13 to connect the bolt with the fixed threaded hole 12;
the disassembly is carried out according to the opposite steps; the mounting method can facilitate the assembly of the bearing nut and the follow-up and maintenance of later parts.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (9)
1. An anti-loose bearing nut, comprising a nut body (1), characterized in that it further comprises:
the locking washer (2), the locking washer (2) is coaxially arranged at one side of the nut body (1), a plurality of evenly distributed positioning blocks (4) are formed at the inner edge of the locking washer (2),
the bearing piece is arranged between the locking washer (2) and the nut body (1);
the receiving piece comprises
The support piece (5), one end of the support piece (5) is propped against the nut body (1), the outer contour of the support piece (5) is round, the inner contour is formed by connecting a plurality of straight line parts uniformly distributed along the circumference and is in a regular polygon, a bearing part (6) extending towards the middle part of the support piece (5) is formed between every two straight line parts,
supporting petals (7), every supporting petals (7) that extend to being close to lock washer (2) and keeping away from supporting petals (5) middle part direction are all provided with on supporting petals (6), supporting petals (7) be root wide tip narrow petal form structure, including first arcuation portion (7 a), slope connecting portion (7 b), first fillet portion (7 c) and arc conflict portion (7 d), the supporting petals offsets with lock washer (2) through arc conflict portion (7 d) of supporting petals (7) to supporting petals (7) and supporting petals (6) on be provided with along supporting petals (6) and supporting petals (7) profile extension's accepting groove (8), just slope connecting portion (7 b) and supporting petals (6) between be formed with 35-45 contained angles.
2. A locknut as defined in claim 1, wherein: the thickness of the positioning block (4) is larger than that of the locking washer (2) and smaller than the height of the supporting flap (7); and a fixed block (9) with the width larger than that of the positioning block (4) is formed on one side, far away from the middle part of the locking gasket (2), of the positioning block (4), one side, far away from the locking gasket (2), of the fixed block (9) is in a plane, and the thickness of the fixed block (9) is equal to that of the positioning block (4).
3. A locknut as defined in claim 2, wherein: a mounting groove (10) is arranged on the side wall of each fixed block (9), a limit sliding block is arranged on the mounting groove (10), a positioning hole (11) penetrating into the mounting groove (10) is arranged on the end face of the positioning block (4),
and a matching hole (29) penetrating the nut body (1) is arranged on the nut body (1), a fixing threaded hole (12) corresponding to the positioning hole (11) is formed at the end part of the limit sliding block, and a positioning bolt (13) connected with the fixing threaded hole (12) after penetrating the matching hole (29) and the positioning hole (11) is arranged.
4. A locknut as defined in claim 3, wherein: the limit sliding block comprises
The sliding block body (14), the sliding block body (14) is quadrilateral, the middle part of the installation groove (10) is matched with the sliding block body (14) and the sliding block body (14) can slide up and down in the installation groove (10),
the inclined connecting block (15), the inclined connecting block (15) is positioned at one side of the sliding block body (14) close to the nut body (1), the section of the inclined connecting block (15) is in a right triangle shape, the hypotenuse of the right triangle is positioned at one side close to the mounting groove (10), the upper part of the mounting groove (10) is provided with an inclined plane matching part matched with the inclined connecting block (15), the fixed threaded hole (12) is inserted from the hypotenuse of the inclined connecting block (15) and does not extend into the sliding block body (14),
the limiting buffer block is positioned on one side, far away from the nut body (1), of the sliding block body (14), a matching groove (16) is formed in the lower side of the mounting groove (10), and a limiting buffer piece which is elastically matched with the limiting buffer block is arranged on the matching groove (16).
5. The anti-loose bearing nut of claim 4, wherein: the cross section of the matching groove (16) is rectangular, and the limit buffer block comprises
A trapezoid guide block (17), wherein the trapezoid guide block (17) with the cross section in the shape of an isosceles trapezoid is positioned at one side of the connecting slide block body (14),
the limit buffer part comprises
The limiting cover plate (18), the limiting cover plate (18) is fixedly covered on the matching groove (16) through bolts,
the positioning rods (19) are arranged on two sides of the limiting cover plate (18) and are symmetrical with each other,
a limiting block (20), a limiting block (20) capable of freely sliding is arranged on each positioning rod (19), a matching inclined plane matched with the trapezoid guide block (17) is arranged on one side of the limiting block (20) towards the middle of the limiting cover plate (18),
and the buffer springs (21) are respectively sleeved on each positioning rod (19), the two buffer springs (21) are respectively arranged on two sides of the limiting block (20), and two ends of each buffer spring (21) are respectively propped against the limiting block (20) and the limiting cover plate (18).
6. The anti-loose bearing nut of claim 5, wherein: the limit buffer block also comprises
The lower pressing bearing block (30), the lower pressing bearing block (30) is positioned at one side of the trapezoid guide block (17) far away from the slide block body (14), and arc bearing parts (6) are formed at two sides of the lower end of the lower pressing bearing block (30),
the limit buffer part also comprises
The two limit rods (22) are symmetrically arranged on the limit cover plate (18), the other end of the limit rod is propped against the matching groove (16), the matching groove (16) is provided with a bearing hole which is matched with the end part of the positioning rod (19),
the limiting crank (23) is further provided with a rotatable limiting crank (23) on each limiting rod (22), a downward pressing connection part (23 a) which is tilted upwards in the direction of the downward pressing connection block (30) is formed in the direction of the middle of the limiting cover plate (18), an arched part (23 b) which protrudes towards the direction of the limiting block (20) is formed on one side, away from the middle of the limiting cover plate (18), of each limiting rod, a clamping groove is formed in the end part of each arched part (23 b), the clamping grooves clamp the repositioning rods (19), and when the downward pressing connection block (30) moves downwards, the downward pressing connection part (23 a) is driven to move downwards, so that the arched part (23 b) abuts against the limiting block (20).
7. The anti-loose bearing nut of claim 6, wherein: a buffer groove (24) is further arranged at the bottom of the matching groove (16), the buffer groove (24) and the matching groove (16) are covered by the limit cover plate (18), a buffer piece is arranged on the buffer groove (24),
the buffer part comprises
The two ends of the buffer sheets (25) which are symmetrically arranged are overlapped together, and arc-shaped elastic parts (25 a) which are far away from each other are formed at the downward position of the middle parts of the two buffer sheets (25),
a lower clamping block (26), a lower clamping block (26) for fixing the end parts of the two buffer sheets (25) together is arranged on one side of the two buffer sheets (25) far away from the matching groove (16),
an upper clamping block (27), an upper clamping block (27) for fixing the end parts of the two buffer sheets (25) together is arranged on one side of the two buffer sheets (25) close to the matching groove (16),
the side wall of the buffer tank (24) is arc-shaped, and the arc-shaped elastic part (25 a) is not propped against the side wall of the buffer tank (24) in a normal state; an upper placement groove for placing an upper clamping block is formed in the bottom of the downward pressing bearing block (30), and a lower placement groove for placing a lower clamping block (26) is formed in the buffer groove (24).
8. The anti-loose bearing nut of claim 7, wherein: a limiting rib is formed on the inclined edge of the inclined connecting block (15), and a limiting groove matched with the limiting rib is formed on the inclined matching part;
the number of the matching holes (29) is 1.5-2 times of the number of the positioning blocks (4); the number of the positioning blocks (4) is 2-8, and the number of the positioning blocks is even;
a positioning groove matched with the supporting sheet (5) is formed on one side, close to the supporting sheet (5), of the nut body (1), and the depth of the positioning groove is equal to the thickness of the supporting sheet (5);
and a transmission shaft matched with the bearing nut is provided with a plurality of connecting grooves matched with the positioning blocks (4).
9. A loose-proof bearing nut as defined in claim 8, wherein: the mounting method of the bearing nut comprises the following steps:
aligning a positioning block (4) of a locking gasket to a connecting groove of a transmission shaft, adjusting the locking gasket to be arranged on the transmission shaft, and arranging one end with a fixing block (9) towards the installation direction of the locking gasket;
step two, the supporting flaps (7) of the supporting pieces are aligned with gaps between the fixed blocks (9) and are turned into a transmission shaft;
screwing the nut body (1) into the transmission shaft until the end face of the nut body (1) abuts against the end face of the supporting piece (5) of the bearing piece, and then adjusting the angle of the nut body (1) to enable the matching hole (29) to be aligned with the positioning hole (11) on the positioning block (4);
and fourthly, screwing in a positioning bolt (13) to connect the bolt with the fixing threaded hole (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210357442.6A CN114738363B (en) | 2022-04-02 | 2022-04-02 | Anti-loose bearing nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210357442.6A CN114738363B (en) | 2022-04-02 | 2022-04-02 | Anti-loose bearing nut |
Publications (2)
| Publication Number | Publication Date |
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| CN114738363A CN114738363A (en) | 2022-07-12 |
| CN114738363B true CN114738363B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210357442.6A Active CN114738363B (en) | 2022-04-02 | 2022-04-02 | Anti-loose bearing nut |
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| CN (1) | CN114738363B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10324108A (en) * | 1997-05-22 | 1998-12-08 | Nissan Motor Co Ltd | Bearing locknut and washer structure |
| JP2005069347A (en) * | 2003-08-25 | 2005-03-17 | Teruo Nakagami | Fastening structure for locking having return prevention function, and nut and washer for fastening structure |
| JP2007187273A (en) * | 2006-01-13 | 2007-07-26 | Shiga Pref Gov | Washer, nut, and fastener |
| KR101845989B1 (en) * | 2017-09-08 | 2018-04-05 | 주식회사 한서정밀 | Loosing prevntion washer assembly |
| CN209604404U (en) * | 2019-03-18 | 2019-11-08 | 浙江中通汽车零部件有限公司 | It is a kind of that pressure-bearing self-tightening type nut is just installed |
| CN212003894U (en) * | 2020-04-09 | 2020-11-24 | 浙江中通汽车零部件有限公司 | Wheel hub bearing nut |
-
2022
- 2022-04-02 CN CN202210357442.6A patent/CN114738363B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10324108A (en) * | 1997-05-22 | 1998-12-08 | Nissan Motor Co Ltd | Bearing locknut and washer structure |
| JP2005069347A (en) * | 2003-08-25 | 2005-03-17 | Teruo Nakagami | Fastening structure for locking having return prevention function, and nut and washer for fastening structure |
| JP2007187273A (en) * | 2006-01-13 | 2007-07-26 | Shiga Pref Gov | Washer, nut, and fastener |
| KR101845989B1 (en) * | 2017-09-08 | 2018-04-05 | 주식회사 한서정밀 | Loosing prevntion washer assembly |
| CN209604404U (en) * | 2019-03-18 | 2019-11-08 | 浙江中通汽车零部件有限公司 | It is a kind of that pressure-bearing self-tightening type nut is just installed |
| CN212003894U (en) * | 2020-04-09 | 2020-11-24 | 浙江中通汽车零部件有限公司 | Wheel hub bearing nut |
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| Publication number | Publication date |
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| CN114738363A (en) | 2022-07-12 |
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