CN111853028A - Anti-loosening bolt with tooth difference adjusting function - Google Patents
Anti-loosening bolt with tooth difference adjusting function Download PDFInfo
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- CN111853028A CN111853028A CN202010845166.9A CN202010845166A CN111853028A CN 111853028 A CN111853028 A CN 111853028A CN 202010845166 A CN202010845166 A CN 202010845166A CN 111853028 A CN111853028 A CN 111853028A
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- 230000007774 longterm Effects 0.000 abstract description 4
- 230000033228 biological regulation Effects 0.000 description 15
- 230000007246 mechanism Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 206010065612 Loose tooth Diseases 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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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
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/06—Specially-shaped heads
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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
- 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
- F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
Abstract
The invention relates to the technical field of bolts, in particular to a tooth difference adjusting anti-loosening bolt which comprises a bolt and an anti-rotating structure at least arranged at one end of the bolt; the anti-rotation structure comprises a base, an adjuster, a sliding sleeve, a clamp spring and a head, which are sequentially sleeved on the bolt; the base is provided with a plurality of first adjusting structures, the adjuster is provided with a plurality of second adjusting structures, and the first adjusting structures and the second adjusting structures are correspondingly meshed one by one; the adjuster is provided with a plurality of third adjusting structures, the sliding sleeve is provided with a plurality of fourth adjusting structures, and the third adjusting structures and the fourth adjusting structures are correspondingly meshed one by one; the number of the first adjusting structures is different from that of the fourth adjusting structures, and the first adjusting structures are completely meshed with the second adjusting structures and the third adjusting structures are completely meshed with the fourth adjusting structures. The invention provides a locking bolt which can lock a bolt in real time through adjustment of an adjusting structure and can be adjusted by a tooth difference without loosening in a long-term use environment.
Description
Technical Field
The invention relates to the technical field of bolts, in particular to a tooth difference adjusting anti-loosening bolt.
Background
The anti-loosening bolt is mainly used for controlling loosening and failure of a running connecting part under the condition of a vibration state, and particularly mechanical equipment under the vibration working state needs to take measures to prevent the normal running of the mechanical connecting part from being influenced by the loosening of the part.
Check bolt among the prior art includes: the anti-loosening bolt, the anti-loosening washer, the main anti-loosening nut and the anti-loosening teeth are arranged between the main anti-loosening nut and the anti-loosening washer, the tooth end angle of each anti-loosening tooth is theta 1, the thread inclination angle on the anti-loosening bolt is theta 2, and the tooth end angle theta 1 is larger than the thread inclination angle theta 2, so that the anti-loosening purpose is achieved.
However, in the prior art, the anti-loose bolt is used in a long-term vibration environment, and because the tooth end angle theta 1 and the thread inclination angle theta 2 decrease with the decrease of the distance, the rising height difference is reduced, the bolt cannot be locked in real time, and therefore slow loosening still occurs, and the connection part is separated.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to solve the defects that the locknut in the prior art still becomes loose after long-term use and cannot lock the bolt in real time, so that the locknut which can lock the bolt in real time through adjustment of the adjusting structure and cannot adjust the loose tooth difference in a long-term use environment is provided.
In order to solve the technical problem, the invention provides a bolt and an anti-rotation structure at least arranged at one end of the bolt; the anti-rotation structure comprises a base, an adjuster, a sliding sleeve, a clamp spring and a head, wherein the base, the adjuster, the sliding sleeve, the clamp spring and the head are sequentially sleeved on the bolt;
the base is connected with a fastener to be fastened, the head is connected with the bolt and inserted into the base, and the head is suitable for pressing the base; the clamp spring is connected with the head part and the sliding sleeve and limits the sliding sleeve to slide off relative to the head part;
the base is provided with a plurality of first adjusting structures, the adjuster is provided with a plurality of second adjusting structures, and the first adjusting structures and the second adjusting structures are correspondingly meshed one by one; a plurality of third adjusting structures are arranged on the adjuster, a plurality of fourth adjusting structures are arranged on the sliding sleeve, and the third adjusting structures and the fourth adjusting structures are correspondingly meshed one by one;
the number of the first adjusting structures and the second adjusting structures is different from that of the third adjusting structures and the fourth adjusting structures, and the first adjusting structures are completely meshed with the second adjusting structures and the third adjusting structures are completely meshed with the fourth adjusting structures.
Furthermore, the number of the first adjusting structures and the second adjusting structures is 25, and the number of the third adjusting structures and the fourth adjusting structures is 26.
Furthermore, the first adjusting structure, the second adjusting structure, the third adjusting structure and the fourth adjusting structure are right-angled wedge-shaped teeth.
Furthermore, a fixing part is arranged on one side of the base, which faces away from the regulator.
Further, the cross section of the fixing part is a round corner rectangle.
Further, still include the fifth regulation structure, the fifth regulation structure includes: at least two recessed portions arranged at intervals in a circumferential direction of the head portion;
the at least two bulges are arranged at intervals along the inner wall of the sliding sleeve and are suitable for the insertion of the concave parts so as to limit the rotation of the head part relative to the sliding sleeve.
Furthermore, the number of the convex parts and the number of the concave parts are six.
Further, an opening is formed in the circumferential direction of the head, and the opening provides an accommodating space for the clamp spring.
Further, still include location structure, location structure includes: the positioning groove is arranged on one of the sliding sleeve or the clamp spring;
and the positioning bulge is arranged on the other one of the sliding sleeve and the clamping spring and is suitable for being inserted into the positioning groove so as to limit the rotation of the sliding sleeve relative to the clamping spring.
Further, the clamp spring is an elastic piece.
The technical scheme of the invention has the following advantages:
1. the invention provides a tooth difference adjusting anti-loosening bolt, which comprises: the anti-rotation structure comprises a bolt and an anti-rotation structure at least arranged at one end of the bolt; the anti-rotation structure comprises a base, an adjuster, a sliding sleeve, a clamp spring and a head, wherein the base, the adjuster, the sliding sleeve, the clamp spring and the head are sequentially sleeved on the bolt; the base is connected with a fastener to be fastened, the head is connected with the bolt and inserted into the base, and the head is suitable for pressing the base; the clamp spring is connected with the head part and the sliding sleeve and limits the sliding sleeve to slide off relative to the head part; the base is provided with a plurality of first adjusting structures, the adjuster is provided with a plurality of second adjusting structures, and the first adjusting structures and the second adjusting structures are correspondingly meshed one by one; a plurality of third adjusting structures are arranged on the adjuster, a plurality of fourth adjusting structures are arranged on the sliding sleeve, and the third adjusting structures and the fourth adjusting structures are correspondingly meshed one by one; the number of the first adjusting structures and the second adjusting structures is different from that of the third adjusting structures and the fourth adjusting structures, and the first adjusting structures are completely meshed with the second adjusting structures and the third adjusting structures are completely meshed with the fourth adjusting structures.
Because the number of the first adjusting structure and the second adjusting structure is different from that of the third adjusting structure and the fourth adjusting structure, when the adjuster rotates in the axis direction of the bolt, the rotating angle of the second adjusting structure is larger than the rotating angle of the fourth adjusting structure, so that the position of the sliding sleeve deviates, and therefore by utilizing the angle difference between the second adjusting structure and the fourth adjusting structure, accurate adjustment can be carried out, the adjuster and the sliding sleeve are accurately installed on the base, and in the installation process, the position deviation between the base and the head is adjusted. Simultaneously, because the number of first regulation structure and second regulation structure and third regulation structure and fourth regulation structure is different, can increase the locking position of sliding sleeve to the head in a week for this head can stop at every locking position, thereby reaches the purpose of real-time locking. And the snap spring is arranged on the head part, so that the slippage of the sliding sleeve relative to the head part is limited, and the reliability of the anti-loosening bolt adjusted by the tooth difference is improved.
2. The invention provides a looseness-proof bolt with tooth difference adjustment.A fixing part is arranged on one side of a base, which is back to an adjuster; when the anti-loosening bolt is used, due to the arrangement of the fixing part, the base can be inserted into the mounting hole of the required fastening part, the anti-loosening bolt for adjusting the tooth difference is prevented from rotating relative to the required fastening part, and the purpose of forced braking is achieved.
3. The anti-loosening bolt with the tooth difference adjusted is characterized in that the clamp spring is an elastic piece. When the clamp spring is installed, the clamp spring is elastically deformed under the action of external force, so that the positioning protrusion can move to the other positioning groove for fixing from one positioning groove, the sliding sleeve is locked, and the sliding sleeve is prevented from slipping relative to the head.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of a tooth difference adjusting anti-loosening bolt provided by the invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic view of a bolt;
FIG. 4 is a schematic structural view of a base;
FIG. 5 is a schematic view of the regulator;
FIG. 6 is a schematic view of the nut;
FIG. 7 is a schematic structural view of the sliding sleeve;
fig. 8 is a schematic structural diagram of the snap spring.
Description of reference numerals:
1-a bolt; 2-a base; 21-a fixed part; 3-a regulator; 4-a first adjustment structure; 5-a second adjustment structure; 6-a third adjustment structure; 7-a fourth adjustment structure; 8-a sliding sleeve; 81-a recess; 82-positioning grooves; 9-a clamp spring; 91-positioning the projection; 92-assembly holes; 10-a head; 101-a projection; 102-an opening; 11-nut.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 to 8, the anti-loosening bolt for adjusting the tooth difference provided by the embodiment of the invention comprises a bolt 1 and an anti-rotation structure at least arranged at one end of the bolt 1; the anti-rotation structure comprises a base 2, an adjuster 3, a sliding sleeve 8, a clamp spring 9 and a head 10 which are sequentially sleeved on the bolt 1; the base 2 is connected with a fastener to be fastened, the head 10 is connected with the bolt 1 and inserted into the base 2, and the head is suitable for pressing the base 2; the snap spring 9 is connected with the head part 10 and the sliding sleeve 8, and limits the sliding of the sliding sleeve 8 relative to the head part 10; a plurality of first adjusting structures 4 are arranged on the base 2, a plurality of second adjusting structures 5 are arranged on the adjuster 3, and the first adjusting structures 4 and the second adjusting structures 5 are meshed in a one-to-one correspondence manner; a plurality of third adjusting structures 6 are arranged on the adjuster 3, a plurality of fourth adjusting structures 7 are arranged on the sliding sleeve 8, and the third adjusting structures 6 and the fourth adjusting structures 7 are correspondingly meshed one by one; the number of the first adjusting structures 4 and the second adjusting structures 5 is different from that of the third adjusting structures 6 and the fourth adjusting structures 7, and the first adjusting structures 4 and the second adjusting structures 5 are completely meshed with the third adjusting structures 6 and the fourth adjusting structures 7.
Wherein, the first adjusting structure 4 is arranged on the base 2, the second adjusting structure 5 and the third adjusting structure 6 are respectively arranged at two sides of the adjuster 3, the fourth adjusting structure 7 is arranged on the sliding bush 8, when in installation, the base 2 is firstly connected with a fastener to be fastened, the bolt 1 and the head 10 are inserted along the base 2, wherein, the bolt 1 and the head 10 are an integral connecting piece, the adjuster 3 and the sliding bush 8 are sleeved on the head 10 in turn, because the first adjusting structure 4 and the second adjusting structure 5 are different from the third adjusting structure 6 and the fourth adjusting structure 7 in number, when the adjuster 3 rotates along the axial direction of the bolt 1, the rotating angle of the second adjusting structure 5 is larger than the rotating angle of the fourth adjusting structure 7, the position of the sliding bush 8 is shifted, thereby utilizing the angle difference between the second adjusting structure 5 and the fourth adjusting structure 7, it is possible to make precise adjustment so that the adjuster 3 and the sliding sleeve 8 are precisely mounted on the base 2. And during the installation, the positional deviation between the base 2 and the head 10 is adjusted. Meanwhile, the number of the first adjusting structures 4 and the second adjusting structures 5 is different from that of the third adjusting structures 6 and the fourth adjusting structures 7, so that the locking positions of the head 10 by the sliding sleeve 8 in one circle can be increased, the head 10 can stay at each locking position, and the purpose of real-time locking is achieved. And a snap spring 9 is arranged on one side of the sliding sleeve 8, so that the sliding of the sliding sleeve 8 relative to the head 10 is limited, and the reliability of the anti-loosening bolt for adjusting the tooth difference is improved.
As shown in fig. 1 and 2, the anti-loose bolt with the adjusted tooth difference is also required to be used together with a nut 11, the structure of the nut 11 is the same as that of the head 10, but a thread is arranged in the nut 11; in the actual use process, if one side of a fastener needs to be fastened, the base 2, the regulator 3, the sliding sleeve 8 and the clamp spring 9 can be directly installed on the head 10 of the bolt 1; if the two sides of the fastener need to be fastened, the nut 11 needs to be independently installed at the other end of the bolt 1, and the base 2, the adjuster 3, the sliding sleeve 8 and the snap spring 9 are installed on the nut 11 for fastening.
As shown in fig. 1 and 2, the number of the first adjusting structure 4, the second adjusting structure 5, the third adjusting structure 6 and the fourth adjusting structure 7 is greater than or equal to two, so that the function can be realized. Specifically, the number of the first adjusting structures 4 and the second adjusting structures 5 can be 25, the number of the third adjusting structures 6 and the fourth adjusting structures 7 can be 26, and the locking position of the sliding sleeve 8 on the head 10 can be increased by the numerical difference between the first adjusting structures 4 and the second adjusting structures 5 and the third adjusting structures 6 and the fourth adjusting structures 7; the head 10 may have 650 locking points within 360 °, i.e. 650 (360 °/25-360 °/26), so that the head 10 may stay 650 times per rotation and stay at each locking position, thereby locking at each locking position, achieving a real-time locking effect.
As shown in fig. 4 and 5, the first adjusting structure 4, the second adjusting structure 5, the third adjusting structure 6 and the fourth adjusting structure 7 are all right-angled wedge-shaped teeth. In the present embodiment, the full-mesh connection is formed by connecting two oppositely arranged right-angled wedge-shaped teeth, so that the first adjusting structure 4 and the second adjusting structure 5, and the third adjusting structure 6 and the fourth adjusting structure 7 are tightly connected, and no gap exists after the connection. Because first regulation structure 4 and second are adjusted structure 5, third is adjusted structure 6, fourth is adjusted structure 7 and is the right angle wedge tooth, consequently, in the in-process of in-service use, take first regulation structure 4 and second to adjust structure 5 as the example, second on 3 one side of regulator is adjusted structure 5 and is had the one side rotation of right angle towards first regulation structure 4 on base 2, but because the setting on right angle limit, consequently can block second regulation structure 5 when rotating, consequently can not take place to rotate, thereby realize forced braking to regulator 3 and base 2, reach locking purpose. Wherein the third adjustment structure 6 and the fourth adjustment structure 7 are identical to the first adjustment structure 4 and the second adjustment structure 5.
As an alternative embodiment, the first and second adjustment structures 4, 5, 6, 7 may be right-angled teeth; the cross-section that structure 5, third regulation structure 6, fourth regulation structure 7 were adjusted to every first regulation structure 4 and second promptly is the cuboid, and at the in-process that uses, because the both sides that structure 5 was adjusted to first regulation structure 4 and second have the right angle limit, when rotating, the homoenergetic blocks second regulation structure 5 owing to the setting on right angle limit, consequently can not take place to rotate to realize forcing the braking to regulator 3 and base 2, reach locking purpose.
As shown in fig. 4, a fixing portion 21 is provided on a side of the base 2 facing away from the adjuster 3, and the fixing portion 21 has a rectangular cross section with rounded corners. When the brake device is used, due to the arrangement of the fixing part 21, the base 2 can be inserted into the mounting hole of the part to be fastened, the part to be fastened is completely and tightly connected with the part to be fastened, the relative position of the bolt 1 and the part to be fastened is fixed, the bolt 1 is prevented from rotating relative to the part to be fastened, and the first adjusting structure 4, the second adjusting structure 5, the third adjusting structure 6 and the fourth adjusting structure 7 are matched with each other, so that the purpose of forced braking is achieved. The cross section of the fixing part 21 is set to be a round rectangle, so that the utilization rate of the fixing part 21 is increased sufficiently, and the processing is convenient.
As an alternative embodiment, the cross section of the fixing portion 21 may be made triangular. Of course, the shape can be other, and the specific shape can be set according to the actual situation.
Still further, a fifth adjustment structure is included, the fifth adjustment structure including: at least two recessed portions 81 provided at intervals in the circumferential direction of the head portion 10; at least two protrusions 101 are spaced along the inner wall of the sliding sleeve 8 and adapted to be inserted by the recess 81 to limit the rotation of the head 10 relative to the sliding sleeve 8. In the present embodiment, the number of the protruding portions 101 is adapted to the number of the recessed portions 81, and specifically, the number of the protruding portions 101 and the number of the recessed portions 81 are six. Of course, a plurality of the sensors may be provided, and the sensors may be set according to actual conditions. At this time, the locking position is increased by the numerical difference between the first adjusting mechanism 4 and the second adjusting mechanism 5, and the third adjusting mechanism 6 and the fourth adjusting mechanism 7, and the fifth adjusting mechanism; specifically 360 °/6- (360 °/25-360 °/25). times.X >0, giving X equal to or less than 108. Taking the maximum integer value of X to obtain X108, and simultaneously bringing 108 into 360 °/(360 °/6- (360 °/25-360 °/26) ×) to obtain 1950 values, so that 1950 locking positions are totally obtained after the first adjusting structure 4, the second adjusting structure 5, the third adjusting structure 6, the fourth adjusting structure 7 and the fifth adjusting mechanism are combined, and the diameter of the bolt 1 is limited, so that the distance between two adjacent locking positions can reach the micron level after 1950 locking positions are formed, thereby realizing the purpose of real-time locking and further achieving the purpose of anti-loosening.
As shown in fig. 3 and 6, an opening 102 is formed in the circumferential direction of the head 10, wherein the depth of the opening 102 is greater than the height of the snap spring 9, and the opening 102 provides an accommodating space for the snap spring 9, so that the snap spring 9 is installed in the accommodating space, the slipping of the sliding sleeve 8 is limited, the reliability of the anti-loosening bolt with the tooth difference adjusted is improved, and the anti-loosening purpose is further achieved.
As shown in fig. 7 and 8, the positioning structure of the snap spring 9 provided on the sliding sleeve 8 further comprises: a plurality of positioning grooves 82 are arranged at intervals on the sliding sleeve 8; the positioning protrusions 91 are provided with a plurality of positioning protrusions, the positioning protrusions are arranged on the clamp springs 9 at intervals, the clamp springs 9 are the open clamp springs 9, the positioning protrusions 91 are arranged on one sides, close to the sliding sleeve 8, of the open clamp springs 9, the positioning protrusions 91 are suitable for being inserted into the positioning grooves 82, and the sliding sleeve 8 is limited to rotate relative to the clamp springs 9.
Specifically, the snap spring 9 is an elastic member. The number of the positioning grooves 82 is twice that of the positioning protrusions 91; in this embodiment, the number of the positioning protrusions 91 is 6, and the number of the positioning grooves 82 is 12; when the clamp spring 9 is installed, the clamp spring 9 is inserted into the assembly hole 92 on the clamp spring 9, and the clamp spring 9 can be elastically deformed under the action of external force, so that the positioning protrusion 91 moves from one positioning groove 82 to the other positioning groove 82 for fixing, and the sliding sleeve 8 is locked; the arrangement of the positioning groove 82 and the positioning protrusion 91 increases the rotation resistance of the snap spring 9 relative to the sliding sleeve 8, thereby preventing the snap spring 9 from slipping due to rotation and increasing the reliability.
As an alternative embodiment, it is also possible to provide the positioning projection 91 on the sliding sleeve 8; the positioning groove 82 is arranged on the clamp spring 9.
As an alternative embodiment, the snap spring 9 may also be a snap spring, and in actual use, the type of the snap ring is selected according to the requirement.
The specific installation method comprises the following steps: the base 2 is sequentially sleeved along the extending direction of the bolt 1, the fixing part 21 is inserted into a mounting hole on a part needing to be fastened, and then the bolt 1, the head part 10 and the adjuster 3 are sequentially inserted, so that the first adjusting structure 4 on the adjuster 3 is completely meshed and connected with the second adjusting structure 5 on the base 2; a sliding sleeve 8 is sleeved on the head part 10, so that the third adjusting structure 6 on the other side of the adjuster 3 is completely meshed and connected with the fourth adjusting structure 7 on the sliding sleeve 8; then, the clamp spring 9 is inserted into the opening 102 of the head 10, and the clamp spring 9 is inserted into the assembly hole 92, so that the positioning protrusion 91 on the clamp spring 9 rotates into the adjacent positioning groove 82 from one positioning groove 82, namely, one-side installation is completed; then the base 2 is sleeved into the other end of the bolt 1, the fixing part is inserted into a mounting hole on a part needing to be fastened, a nut 11 is screwed in sequence, and the regulator 3 is sleeved on the nut 11, so that the first regulating structure 4 on the regulator 3 is completely meshed and connected with the second regulating structure 5 on the base 2; a sliding sleeve 8 is sleeved on the nut 11, so that the third adjusting structure 6 on the other side of the adjuster 3 is completely meshed and connected with the fourth adjusting structure 7 on the sliding sleeve 8; then the clamp spring 9 is inserted into the opening 102 of the nut 11, and the clamp spring 9 is inserted into the assembly hole 92, so that the positioning protrusion 91 on the clamp spring 9 rotates into the adjacent positioning groove from one of the top grooves, and the nut 11 and the base 2 on the other side of the bolt 1, the adjuster 3, the sliding sleeve 8 and the clamp spring 9 are installed.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. The anti-loosening bolt with the adjusted tooth difference is characterized by comprising a bolt (1) and an anti-rotating structure at least arranged at one end of the bolt (1); the anti-rotation structure comprises a base (2), an adjuster (3), a sliding sleeve (8), a clamp spring (9) and a head (10) which are sequentially sleeved on the bolt (1);
the base (2) is connected with a fastener to be fastened, the head (10) is connected with the bolt (1) and inserted into the base (2) and is suitable for pressing the base (2); the clamp spring (9) is connected with the head (10) and the sliding sleeve (8) to limit the sliding of the sliding sleeve (8) relative to the head (10);
a plurality of first adjusting structures (4) are arranged on the base (2), a plurality of second adjusting structures (5) are arranged on the adjuster (3), and the first adjusting structures (4) and the second adjusting structures (5) are meshed in a one-to-one corresponding mode; a plurality of third adjusting structures (6) are arranged on the adjuster (3), a plurality of fourth adjusting structures (7) are arranged on the sliding sleeve (8), and the third adjusting structures (6) are meshed with the fourth adjusting structures (7) in a one-to-one corresponding manner;
the number of the first adjusting structures (4) and the number of the fourth adjusting structures (7) are different, and the first adjusting structures (4) and the second adjusting structures (5) are completely meshed with the third adjusting structures (6) and the fourth adjusting structures (7).
2. A tooth difference adjusted anti-loosening bolt according to claim 1, characterized in that the number of the first adjusting structure (4) and the second adjusting structure (5) is 25, and the number of the third adjusting structure (6) and the fourth adjusting structure (7) is 26.
3. The tooth difference adjusted anti-loosening bolt according to claim 2, characterized in that the first and second adjusting structures (4, 5), the third adjusting structure (6), and the fourth adjusting structure (7) are right-angled wedge-shaped teeth.
4. A tooth difference adjusting anti-loosening bolt according to any one of claims 1-3, characterized in that a fixing portion (21) is provided on the side of the base (2) facing away from the adjuster (3).
5. A tooth difference adjusted anti-loosening bolt according to claim 4, characterized in that the cross section of the fixing portion (21) is a rounded rectangle.
6. The tooth differential adjustment anti-loosening bolt according to claim 5, further comprising a fifth adjustment structure, the fifth adjustment structure comprising:
at least two recessed portions (81) provided at intervals in the circumferential direction of the head portion (10);
at least two protrusions (101) are arranged at intervals along the inner wall of the sliding sleeve (8) and are suitable for being inserted by the concave part (81) so as to limit the rotation of the head part (10) relative to the sliding sleeve (8).
7. A tooth difference adjusted anti-loosening bolt according to claim 6, characterized in that the number of the convex portions (101) and the concave portions (81) is six.
8. The tooth difference adjusting anti-loosening bolt according to any one of claims 1 to 7, wherein an opening (102) is formed in the circumferential direction of the head (10), and the opening (102) provides a receiving space for the snap spring (9).
9. The tooth differential adjustment check bolt of claim 8, further comprising a locating structure, said locating structure comprising:
the positioning groove (82) is arranged on one of the sliding sleeve (8) or the clamp spring (9);
and the positioning bulge (91) is arranged on the other one of the sliding sleeve (8) and the clamp spring (9) and is suitable for inserting the positioning bulge (91) into the positioning groove (82) so as to limit the rotation of the sliding sleeve (8) relative to the clamp spring (9).
10. The tooth difference adjusting anti-loosening bolt according to claim 1, wherein the snap spring (9) is an elastic member.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010845166.9A CN111853028A (en) | 2020-08-20 | 2020-08-20 | Anti-loosening bolt with tooth difference adjusting function |
| PCT/CN2020/115873 WO2022036796A1 (en) | 2020-08-20 | 2020-09-17 | Anti-loosening bolt for tooth difference adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010845166.9A CN111853028A (en) | 2020-08-20 | 2020-08-20 | Anti-loosening bolt with tooth difference adjusting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111853028A true CN111853028A (en) | 2020-10-30 |
Family
ID=72970158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010845166.9A Pending CN111853028A (en) | 2020-08-20 | 2020-08-20 | Anti-loosening bolt with tooth difference adjusting function |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111853028A (en) |
| WO (1) | WO2022036796A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251059A (en) * | 2021-05-31 | 2021-08-13 | 国网新疆电力有限公司检修公司 | Double-gasket anti-loosening nut with tenon gasket and mortise gasket and bolt |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202251336U (en) * | 2011-09-22 | 2012-05-30 | 迟尚革 | Screw fastener, as well as screw, nut and gasket thereof |
| CN106837980B (en) * | 2016-04-20 | 2020-02-07 | 李圣用 | Combined self-reaction anti-loose nut with high-precision torque coefficient |
| CN206234234U (en) * | 2016-09-10 | 2017-06-09 | 王一婷 | A kind of sleeve pipe check bolt |
| GB201808296D0 (en) * | 2018-05-21 | 2018-07-11 | John Guest International Ltd | A connector |
| CN110529487B (en) * | 2019-09-12 | 2021-04-27 | 上海三一重机股份有限公司 | Locking subassembly, locking device and excavator |
| CN211398229U (en) * | 2019-11-05 | 2020-09-01 | 张家陶 | Positive and negative rotation interlocking anti-loosening threaded connection assembly suitable for strong vibration large load |
| CN212407273U (en) * | 2020-08-20 | 2021-01-26 | 刘志伟 | Anti-loosening bolt with tooth difference adjusting function |
-
2020
- 2020-08-20 CN CN202010845166.9A patent/CN111853028A/en active Pending
- 2020-09-17 WO PCT/CN2020/115873 patent/WO2022036796A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251059A (en) * | 2021-05-31 | 2021-08-13 | 国网新疆电力有限公司检修公司 | Double-gasket anti-loosening nut with tenon gasket and mortise gasket and bolt |
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| Publication number | Publication date |
|---|---|
| WO2022036796A1 (en) | 2022-02-24 |
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