CN113530949B - High-temperature-resistant high-strength self-locking nut - Google Patents
High-temperature-resistant high-strength self-locking nut Download PDFInfo
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- CN113530949B CN113530949B CN202110993772.XA CN202110993772A CN113530949B CN 113530949 B CN113530949 B CN 113530949B CN 202110993772 A CN202110993772 A CN 202110993772A CN 113530949 B CN113530949 B CN 113530949B
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- driving rod
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- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 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
- F16B37/00—Nuts or like thread-engaging members
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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
- F16B39/32—Locking by means of a pawl or pawl-like tongue
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a high-temperature-resistant high-strength self-locking nut which comprises a nut body, wherein a thread cavity is arranged in the nut body, a plurality of self-locking mechanisms are further arranged on the nut body, each self-locking mechanism comprises a self-locking clamping piece and a clamping piece driving rod matched with the self-locking clamping piece, and the self-locking mechanism can improve the self-locking performance of the nut, is not easy to loosen after the nut is screwed up, improves the fastening performance and improves the safety. When a clamping piece driving rod of the self-locking mechanism is screwed, the conical head section of the clamping piece driving rod can be matched with the inclined surface of the clamping piece to extrude the self-locking clamping piece to the side of the thread cavity, so that a screw rod in the thread cavity is clamped, the fastening performance is improved, loosening is prevented, and the self-locking clamping piece can be loosened by reversely rotating the clamping piece driving rod.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of nuts, in particular to the technical field of high-temperature-resistant high-strength self-locking nuts.
[ background of the invention ]
The nut is a nut, and is screwed together with a bolt or a screw rod to play a role in fastening, and an element which is necessary for all production and manufacturing machines is divided into carbon steel, stainless steel, non-ferrous metal and other types according to different materials. The existing nut has poor anti-loosening performance and is very easy to loosen in a vibration environment for a long time.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides a high-temperature-resistant high-strength self-locking nut which can improve the anti-loosening performance of the nut.
In order to achieve the purpose, the invention provides a high-temperature-resistant high-strength self-locking nut which comprises a nut body, wherein a thread cavity is arranged in the nut body, a plurality of self-locking mechanisms are also arranged on the nut body, each self-locking mechanism comprises a self-locking clamping piece and a clamping piece driving rod capable of being matched with the self-locking clamping piece, a clamping piece movable groove capable of being matched with the self-locking clamping piece is arranged in the thread cavity, the self-locking clamping piece is arranged in the clamping piece movable groove, one end of the self-locking clamping piece is fixedly connected with the nut body, one side of the self-locking clamping piece extends to the thread cavity, a clamping piece driving rod movable cavity which is arranged in the same direction as the thread cavity is also arranged beside the thread cavity on the nut body, it is mobile to press from both sides tight piece actuating lever and locate it is intracavity to press from both sides tight piece actuating lever activity, auto-lock presss from both sides tight piece one side and extends to it presss from both sides tight piece actuating lever activity intracavity, be close to on the auto-lock presss from both sides tight piece one side that tight piece actuating lever activity chamber is equipped with the tight piece inclined plane that presss from both sides that the slope set up, press from both sides to be equipped with on the tight piece actuating lever can with press from both sides the cooperation of tight piece inclined plane in order to drive the tight piece of auto-lock presss from both sides tight piece to the tight piece actuating lever cone section of pressing from both sides tight piece of screw thread chamber side slope, it still is equipped with actuating lever chamber screw thread to press from both sides tight piece actuating lever activity intracavity, press from both sides to be equipped with on the tight piece actuating lever tip and can with actuating lever cavity thread engagement's actuating lever thread, it is equipped with and is used for control to press from both sides the bayonet socket spanner of tight piece actuating lever.
Preferably, one end of the nut body, which is close to the wrench bayonet, is provided with a wrench bayonet. And the limiting part is matched with the clamping piece driving rod to prevent the clamping piece driving rod from rotating.
Preferably, the stopper comprises at least two wrench bayonet inserts which can be inserted into the wrench bayonet and a bridge plate for bridging the wrench bayonet inserts.
Preferably, a bridge plate clamping groove matched with the connecting bridge plate is formed between the adjacent clamping piece driving rod movable cavities on the nut body, the connecting bridge plate is movably arranged in the bridge plate clamping groove, and the bridge plate clamping groove is formed in one end, close to the wrench bayonet, of the nut body.
Preferably, a plurality of metal clamping strips capable of being bent and deformed are arranged on two sides of the bridge plate clamping groove.
Preferably, the wrench bayonet plug-in unit comprises an outer plug-in unit matched with the wrench bayonet in shape and a bridge plate convex unit fixedly connected with the connecting bridge plate, an outer plug-in unit inner cavity capable of being matched with the bridge plate convex unit is arranged in the outer plug-in unit, the outer plug-in unit is rotatably sleeved on the bridge plate convex unit through the outer plug-in unit inner cavity, a ratchet inner ring is arranged in the outer plug-in unit inner cavity, a plurality of ratchets are uniformly arranged in the ratchet inner ring, at least one outer plug-in unit inner groove is arranged on the bridge plate convex unit, a pawl capable of being matched with the ratchet inner ring is arranged in the outer plug-in unit inner groove, one end of the pawl is rotatably connected with the outer plug-in unit inner groove through a pawl fixing column, an elastic unit capable of driving the pawl to move towards the ratchet inner ring side is arranged on the pawl fixing column, the pawl is matched with the ratchet inner ring to enable the outer plug-in unit to rotate only in one direction, and the unidirectional rotation direction of the outer plug-in which the self-locking clamping piece driving rod drives the self-locking clamping piece to clamp.
Preferably, one end of the bridge plate convex piece, which is far away from the connecting bridge plate, is provided with a limiting disc for fixing the outer plug-in piece.
Preferably, the bottom of the outer plug is provided with a plurality of clamping pins, and the limiting disc is provided with a plurality of clamping grooves which can be connected with the clamping pins in a clamping manner.
Preferably, the number of the self-locking mechanisms is at least two, and the self-locking mechanisms are arranged around the threaded cavity at equal intervals.
The high-temperature-resistant high-strength self-locking nut has the beneficial effects that: according to the invention, the self-locking mechanism is arranged, so that the self-locking performance of the nut can be improved, the nut is not easy to loosen after being screwed, the fastening performance is improved, and the safety is improved. When a clamping piece driving rod of the self-locking mechanism is screwed, the conical head section of the clamping piece driving rod can be matched with the inclined surface of the clamping piece to extrude the self-locking clamping piece to the side of the thread cavity, so that a screw rod in the thread cavity is clamped, the fastening performance is improved, loosening is prevented, and the self-locking clamping piece can be loosened by reversely rotating the clamping piece driving rod.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic structural view of a front view section of a high-temperature-resistant high-strength self-locking nut of the invention.
Fig. 2 is a schematic top view of the high temperature resistant high strength self-locking nut of the present invention.
Fig. 3 is a schematic view of a top view of a limiting member of a high temperature resistant and high strength self-locking nut according to the present invention after installation.
Fig. 4 is a schematic front view of a position-limiting member of a high-temperature-resistant high-strength self-locking nut according to the present invention.
Fig. 5 is a schematic sectional view of a wrench bayonet socket of a high temperature resistant and high strength self-locking nut according to the present invention.
Fig. 6 is a schematic sectional top view of a wrench bayonet socket of a high temperature resistant and high strength self-locking nut according to the present invention.
In the figure: 1-a nut body, 2-a self-locking clamping sheet, 3-a clamping sheet driving rod, 4-a limiting piece, 11-a thread cavity, 12-a clamping sheet movable groove, 13-a clamping sheet driving rod movable cavity, 14-a bridge plate clamping groove, 15-a metal clamping strip, 131-a driving rod cavity thread, 21-a clamping sheet inclined plane, 31-a clamping sheet driving rod conical head section, 32-a driving rod thread, 33-a wrench bayonet, 41-a wrench bayonet plug-in piece, 42-a connecting bridge plate, 43-a pawl, 44-a pawl fixed column, 45-an elastic piece, 46-a limiting disc, 411-an outer plug-in piece, 421-a bridge plate convex piece, 4111-an outer plug-in piece inner cavity, 4112-an inner ratchet tooth ring, 4113-a clamping foot, 4211-an outer plug-in piece inner groove and 461-a clamping groove.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood, however, that the detailed description herein of specific embodiments is intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
In the description of the present invention, it should be noted that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships in which the products of the present invention are conventionally placed when used, and are merely used for convenience of describing and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.
The first embodiment is as follows:
referring to fig. 1 and 2, the high temperature resistant and high strength self-locking nut of the invention comprises a nut body 1, a thread cavity 11 is arranged in the nut body 1, a plurality of self-locking mechanisms are also arranged on the nut body 1, each self-locking mechanism comprises a self-locking clamping piece 2 and a clamping piece driving rod 3 which can be matched with the self-locking clamping piece 2, a clamping piece movable groove 12 which can be matched with the self-locking clamping piece 2 is arranged in the thread cavity 11, the self-locking clamping piece 2 is arranged in the clamping piece movable groove 12, one end of the self-locking clamping piece 2 is fixedly connected with the nut body 1, one side of the self-locking clamping piece 2 extends to the thread cavity 11, a clamping piece driving rod movable cavity 13 which is arranged in the same direction as the thread cavity 11 is also arranged beside the thread cavity 11 on the nut body 1, it is movable to press from both sides tight piece actuating lever 3 and locate press from both sides in the tight piece actuating lever activity chamber 13, 2 one side of auto-lock clamp piece extend to press from both sides in the tight piece actuating lever activity chamber 13, be close to on the auto-lock clamp piece 2 press from both sides tight piece actuating lever activity chamber 13 one side and be equipped with the tight piece inclined plane 21 that the slope set up, press from both sides to be equipped with on the tight piece actuating lever 3 can with press from both sides the cooperation of tight piece inclined plane 21 with the drive auto-lock clamp piece 2 to the tight piece actuating lever conical head section 31 of the tight piece actuating lever of the 11 side inclinations of screw thread chamber, still be equipped with actuating lever chamber screw thread 131 in the tight piece actuating lever activity chamber 13 of clamp, be equipped with on the tight piece actuating lever 3 can with actuating lever thread 32 that actuating lever chamber thread 131 meshed, it is equipped with and is used for control to press from both sides tight piece actuating lever bayonet socket 33 of tight piece actuating lever 3 to press from both sides tight piece actuating lever 3 tip. This embodiment leads to and sets up self-locking mechanism and can improve the self-locking performance of nut, and difficult not hard up after the nut is screwed up improves fastening performance, improves the security. When the clamping piece driving rod 3 of the self-locking mechanism is screwed, the conical head section 31 of the clamping piece driving rod can be matched with the clamping piece inclined plane 21 to extrude the self-locking clamping piece 2 to the side of the thread cavity 11, so that a screw rod in the thread cavity 11 is clamped, the fastening performance is improved, loosening is prevented, and the self-locking clamping piece 2 can be loosened by reversely rotating the clamping piece driving rod 3.
Referring to fig. 1, 2, 3, 4, 5 and 6, one end of the nut body 1 near the wrench socket 33 is provided with a wrench socket 33. And a stopper 4 engaged to prevent the rotation of the grip piece driving lever 3. The limiting part 4 can clamp the clamping piece driving rod 3 to prevent the clamping piece driving rod 3 from rotating, so that the positions of the clamping piece driving rod 3 and the self-locking clamping piece 2 are limited, looseness is avoided, and the stability of the nut can be still kept under a long-time vibration environment.
Referring to fig. 1, 2, 3, 4, 5 and 6, the retaining member 4 includes two wrench socket inserts 41 that can be inserted into the wrench socket 33 and a bridge plate 42 for bridging the wrench socket inserts 41. Insert spanner bayonet socket 33 through spanner bayonet socket plug-in components 41 and restrict to press from both sides tight piece actuating lever 3 rotatory to fixed pressing from both sides tight piece actuating lever 3 is connected between with spanner bayonet socket plug-in components 41 through connecting bridge plate 42, can lock the linkage of adjacent tight piece actuating lever 3 of pressing from both sides, improves fastening performance.
Referring to fig. 1, 2, 3, 4, 5 and 6, a bridge plate slot 14 capable of being matched with the connecting bridge plate 42 is arranged between adjacent clamping piece driving rod movable cavities 13 on the nut body 1, the connecting bridge plate 42 is movably arranged in the bridge plate slot 14, and the bridge plate slot 14 is arranged at one end of the nut body 1 close to the wrench bayonet 33. The bridge plate 42 is fixedly connected through the bridge plate clamping groove 14, and the position of the bridge plate 42 is limited.
Referring to fig. 1, 2, 3, 4, 5 and 6, a plurality of bendable metal clamping strips 15 are disposed on two sides of the bridge plate clamping groove 14. After the connecting bridge plate 42 is arranged in the bridge plate clamping groove 14, the metal clamping strip 15 can be bent and deformed to clamp the connecting bridge plate 42, so that the limiting part 4 is prevented from falling off.
Referring to fig. 1, 2, 3, 4, 5 and 6, the wrench bayonet insert 41 includes an outer insert 411 adapted to the wrench bayonet 33 and a bridge plate protrusion 421 fixedly connected to the connecting bridge plate 42, an outer insert cavity 4111 is formed in the outer insert 411 and is capable of cooperating with the bridge plate protrusion 421, the outer insert 411 is rotatably sleeved on the bridge plate protrusion 421 through the outer insert cavity 4111, a ratchet inner ring 4112 is formed in the outer insert cavity 4111, a plurality of ratchet teeth are uniformly formed in the ratchet inner ring 4112, at least one outer insert inner groove 4211 is formed on the bridge plate protrusion 421, a pawl 43 capable of cooperating with the ratchet inner ring 4112 is formed in the outer insert inner groove 4211, one end of the pawl 43 is rotatably connected to the ratchet outer insert inner groove 4211 through a pawl fixing post 44, an elastic member 45 capable of driving the pawl 43 to move toward the inner ring 4112 is formed on the pawl fixing post 44, and the pawl 43 cooperates with the inner ring 4112 such that the outer insert can rotate only in one-way and the one-way drives the self-locking tab 411 to rotate in the same direction as the one-way clamping piece. The outer plug 411 rotates unidirectionally, which is convenient for inserting the outer plug 411 into the wrench bayonet 33, when fixing, after the clamping piece driving rod 3 is screwed, the outer plug 411 is moved to the upper side of the wrench bayonet 33, and a certain downward pressure is applied, the outer plug 411 is clamped and rotated by the bayonet wrench until the outer plug 411 falls into the wrench bayonet 33, the action is repeated until the outer plugs 411 at two ends fall into the wrench bayonet 33, the limit piece 4 can be installed conveniently, the outer plug 411 can be inserted into the wrench bayonet 33 by adjusting the outer plug 411 no matter the wrench bayonet 33 is in any direction, and due to the action of the pawl 43 and the ratchet inner ring 4112, the outer plug 411 can only rotate unidirectionally in the screwing direction of the clamping piece driving rod 3, so that the clamping piece driving rod 3 is prevented from being loosened in a reverse rotation direction.
Referring to fig. 1, 2, 3, 4, 5 and 6, a limiting plate 46 for fixing the outer plug 411 is disposed at one end of the bridge plate protrusion 421 away from the connecting bridge plate 42.
Referring to fig. 1, 2, 3, 4, 5 and 6, a plurality of pins 4113 are disposed at the bottom of the outer plug 411, and a plurality of clamping grooves 461 capable of being connected with the pins 4113 in a clamping manner are disposed on the limiting disc 46. Is convenient for installation and fixation.
Referring to fig. 1, 2, 3, 4, 5 and 6, the self-locking clamping piece 2 is integrally formed with the nut body 1.
Referring to fig. 1, 2, 3, 4, 5 and 6, there are four self-locking mechanisms, and the self-locking mechanisms are all equidistantly disposed around the threaded cavity 11.
The working process of the invention is as follows:
in the working process of the high-temperature-resistant high-strength self-locking nut, when the clamping piece driving rod 3 of the self-locking mechanism is screwed, the conical head section 31 of the clamping piece driving rod can be matched with the inclined surface 21 of the clamping piece to extrude the self-locking clamping piece 2 to the side of the thread cavity 11, so that a screw rod in the thread cavity 11 is clamped, the fastening performance is improved, loosening is prevented, and the self-locking clamping piece 2 can be loosened by reversely rotating the clamping piece driving rod 3.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (8)
1. The utility model provides a high temperature resistant high strength auto-lock nut, includes nut body (1), be equipped with screw thread chamber (11), its characterized in that in nut body (1): the nut body (1) is further provided with a plurality of self-locking mechanisms, each self-locking mechanism comprises a self-locking clamping piece (2) and a clamping piece driving rod (3) matched with the self-locking clamping piece (2), a thread cavity (11) is internally provided with a clamping piece movable groove (12) matched with the self-locking clamping piece (2), the self-locking clamping piece (2) is arranged in the clamping piece movable groove (12), one end of the self-locking clamping piece is fixedly connected with the nut body (1), one side of the self-locking clamping piece (2) extends to the thread cavity (11), the other side of the thread cavity (11) on the nut body (1) is further provided with a clamping piece driving rod movable cavity (13) arranged in the same direction with the thread cavity (11), the clamping piece driving rod (3) is movably arranged in the clamping piece driving rod movable cavity (13), one side of the self-locking clamping piece (2) extends to the clamping piece driving rod movable cavity (13), one side of the clamping piece (2) is provided with a thread inclined plane (21) obliquely arranged on one side of the self-locking clamping piece (13), and the driving rod (31) is arranged in the self-locking clamping piece driving rod inclined plane (11), a driving rod thread (32) which can be meshed with the driving rod cavity thread (131) is arranged on the clamping piece driving rod (3), and a wrench bayonet (33) for controlling the clamping piece driving rod (3) is arranged at the end part of the clamping piece driving rod (3); one end of the nut body (1) close to the wrench bayonet (33) is provided with a limiting piece (4) which can be matched with the wrench bayonet (33) to prevent the clamping piece driving rod (3) from rotating; the limiting part (4) comprises at least two wrench bayonet inserts (41) capable of extending into the wrench bayonet (33) and a connecting bridge plate (42) for bridging the wrench bayonet inserts (41).
2. The high-temperature-resistant high-strength self-locking nut as claimed in claim 1, wherein: be equipped with on nut body (1) between adjacent clamp plate actuating lever activity chamber (13) can with connect bridge plate (42) complex bridge plate draw-in groove (14), connect bridge plate (42) mobile locate in bridge plate draw-in groove (14), bridge plate draw-in groove (14) are located the one end that is close to spanner bayonet socket (33) on nut body (1).
3. The high-temperature-resistant high-strength self-locking nut as claimed in claim 2, wherein: and a plurality of metal clamping strips (15) which can be bent and deformed are arranged on two sides of the bridge plate clamping groove (14).
4. The high-temperature-resistant high-strength self-locking nut as claimed in claim 1, wherein: the wrench bayonet plug (41) comprises an outer plug (411) matched with the wrench bayonet (33) in shape and a bridge plate convex piece (421) fixedly connected with the connecting bridge plate (42), an outer plug inner cavity (4111) which can be matched with the bridge plate convex piece (421) is arranged in the outer plug (411), the outer plug piece (411) is rotatably sleeved on the bridge plate convex piece (421) through an inner cavity (4111) of the outer plug piece, a ratchet inner ring (4112) is arranged in the inner cavity (4111) of the outer plug, a plurality of ratchets are uniformly arranged in the ratchet inner ring (4112), at least one outer insert inner groove (4211) is arranged on the bridge plate convex piece (421), a pawl (43) which can be matched with the ratchet inner ring (4112) is arranged in the outer plug inner groove (4211), one end of the pawl (43) is rotatably connected with the inner groove (4211) of the outer plug through a pawl fixing column (44), an elastic piece (45) which can drive the pawl (43) to move towards the ratchet inner ring (4112) is arranged on the pawl fixing column (44), the pawl (43) is matched with the ratchet inner ring (4112) to ensure that the outer plug (411) can only rotate in one direction, and the unidirectional rotation direction of the outer plug-in piece (411) is the same as the clamping direction of the self-locking clamping piece (2) driven by the clamping piece driving rod (3).
5. The high-temperature-resistant high-strength self-locking nut as claimed in claim 4, wherein: and a limiting disc (46) for fixing the outer plug-in piece (411) is arranged at one end of the bridge plate convex piece (421) far away from the connecting bridge plate (42).
6. The high temperature resistant high strength self-locking nut of claim 5, characterized in that: outer plug (411) bottom is equipped with a plurality of card feet (4113), be equipped with on spacing dish (46) a plurality of can with joint groove (461) that card foot (4113) joint is connected.
7. The high-temperature-resistant high-strength self-locking nut as claimed in claim 1, wherein: the self-locking clamping piece (2) and the nut body (1) are integrally formed.
8. The high-temperature-resistant high-strength self-locking nut as claimed in claim 1, wherein: the number of the self-locking mechanisms is at least two, and the self-locking mechanisms are arranged around the threaded cavity (11) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110993772.XA CN113530949B (en) | 2021-08-27 | 2021-08-27 | High-temperature-resistant high-strength self-locking nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110993772.XA CN113530949B (en) | 2021-08-27 | 2021-08-27 | High-temperature-resistant high-strength self-locking nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113530949A CN113530949A (en) | 2021-10-22 |
| CN113530949B true CN113530949B (en) | 2023-03-24 |
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|---|---|---|---|
| CN202110993772.XA Active CN113530949B (en) | 2021-08-27 | 2021-08-27 | High-temperature-resistant high-strength self-locking nut |
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| CN (1) | CN113530949B (en) |
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| CN213039630U (en) * | 2020-08-21 | 2021-04-23 | 嘉兴海缙五金科技股份有限公司 | High-strength self-tightening nut for wheel |
| CN212377087U (en) * | 2020-09-23 | 2021-01-19 | 张仙驰 | Clamping-pad locking type anti-loosening nut |
| CN213954124U (en) * | 2020-12-16 | 2021-08-13 | 苏州天东紧固件有限公司 | Check bolt with ratchet locking structure |
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2021
- 2021-08-27 CN CN202110993772.XA patent/CN113530949B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623020A (en) * | 2020-04-20 | 2020-09-04 | 葛庆运 | Stainless steel fastener capable of improving positioning effect |
| CN112013001A (en) * | 2020-08-21 | 2020-12-01 | 嘉兴海缙五金科技股份有限公司 | Novel effectual pressing rivet nut of taking crowded silo of band limit of fastening |
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| CN113530949A (en) | 2021-10-22 |
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Application publication date: 20211022 Assignee: Jiaxing Faswan Import and Export Co.,Ltd. Assignor: HAIYAN WEISHI STANDARD PARTS CO.,LTD. Contract record no.: X2024330000109 Denomination of invention: A high-temperature and high-strength self-locking nut Granted publication date: 20230324 License type: Common License Record date: 20240611 |