阅读说明：本技术 一种耐高温高强度自锁螺母 (High-temperature-resistant high-strength self-locking nut ) 是由 黄震凯 姚海威 陆朋鹰 金佳峰 于 2021-08-27 设计创作，主要内容包括：本发明公开了一种耐高温高强度自锁螺母,包括螺母本体,所述螺母本体内设有螺纹腔,所述螺母本体上还设有若干自锁机构,所述自锁机构包括自锁夹紧片和可以与所述自锁夹紧片配合的夹紧片驱动杆,本发明通过设置自锁机构能够提高螺母的自锁性能,螺母拧紧之后不易松动,提高紧固性能,提高安全性。自锁机构的夹紧片驱动杆拧动时,夹紧片驱动杆锥头段能够与夹紧片斜面配合,将自锁夹紧片向螺纹腔侧挤压,从而夹紧螺纹腔内的螺杆,提高紧固性能,防止松动,夹紧片驱动杆反向旋转即可松开自锁夹紧片。(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 performance of the nut can be improved by arranging the self-locking mechanisms, so that 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.)

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 clamping piece movable groove (12) 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 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 further arranged beside the thread cavity (11) on the nut body (1), 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), be close to on the tight piece of auto-lock (2) of clamp one side of pressing from both sides tight piece actuating lever activity chamber (13) is equipped with the tight piece inclined plane of clamp (21) that the slope set up, be equipped with on pressing from both sides tight piece actuating lever (3) can with press from both sides tight piece inclined plane of clamp (21) cooperation with the drive auto-lock press from both sides tight piece (2) to press from both sides tight piece actuating lever conical section (31) of screw thread chamber (11) side slope, still be equipped with actuating lever chamber screw thread (131) in pressing from both sides tight piece actuating lever activity chamber (13), be equipped with on pressing from both sides tight piece actuating lever (3) can with actuating lever screw thread (131) meshed actuating lever screw thread (32), it is used for control to press from both sides tight piece actuating lever (3) tip be equipped with spanner bayonet socket (33) of pressing from both sides tight piece actuating lever (3).

2. The high-temperature-resistant high-strength self-locking nut as claimed in claim 1, wherein: one end of the nut body (1) close to the wrench bayonet (33) is provided with a wrench bayonet (33). And a limiting part (4) which is matched with the clamping piece driving rod (3) to prevent the clamping piece driving rod from rotating.

3. The high-temperature-resistant high-strength self-locking nut as claimed in claim 2, wherein: 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).

4. The high-temperature-resistant high-strength self-locking nut as claimed in claim 3, 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).

5. The high-temperature-resistant high-strength self-locking nut as claimed in claim 4, 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).

6. The high-temperature-resistant high-strength self-locking nut as claimed in claim 2, wherein: the wrench bayonet plug-in (41) comprises an outer plug-in piece (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-in piece inner cavity (4111) matched with the bridge plate convex piece (421) is arranged in the outer plug-in piece (411), the outer plug-in piece (411) is rotatably sleeved on the bridge plate convex piece (421) through the outer plug-in piece inner cavity (4111), a ratchet inner ring (4112) is arranged in the outer plug-in piece inner cavity (4111), a plurality of ratchet inner rings (4112) are uniformly arranged in the ratchet inner rings, at least one outer plug-in piece inner groove (4211) is arranged on the bridge plate convex piece (421), a pawl (43) matched with the ratchet inner ring (4112) is arranged in the outer plug-in piece inner groove (4211), one end of the pawl (43) is rotatably connected with the outer plug-in piece inner groove (4211) through a pawl fixing column (44), an elastic piece (45) capable of driving 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 enable the outer plug piece (411) to rotate only in one direction, and the one-way rotation direction of the outer plug piece (411) is the same as the clamping direction of the self-locking clamping piece (2) driven by the clamping piece driving rod (3).

7. The high-temperature-resistant high-strength self-locking nut as claimed in claim 6, 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).

8. The high temperature resistant high strength self-locking nut of claim 7, wherein: 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.

9. 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.

10. 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.

[ 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, the clamping piece driving rod can be movably arranged in the clamping piece driving rod movable cavity, one side of the self-locking clamping piece extends to the clamping piece driving rod movable cavity, the auto-lock is close to on pressing from both sides tight piece one side that presss from both sides tight piece actuating lever activity chamber is equipped with the tight piece inclined plane that presss from both sides tight piece, press from both sides to be equipped with on the tight piece actuating lever can with press from both sides tight piece inclined plane cooperation with the drive the tight piece of auto-lock press from both sides tight piece to the tight piece actuating lever conical head section 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 can with actuating lever chamber thread engagement's actuating lever screw thread, it is equipped with and is used for control to press from both sides tight piece actuating lever tip the spanner bayonet socket 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 comprises an outer plug-in part matched with the wrench bayonet in shape and a bridge plate convex part fixedly connected with the connecting bridge plate, an outer plug-in part inner cavity matched with the bridge plate convex part is arranged in the outer plug-in part, the outer plug-in part is rotatably sleeved on the bridge plate convex part through the outer plug-in part inner cavity, a ratchet inner ring is arranged in the outer plug-in part inner cavity, a plurality of ratchets are uniformly arranged in the ratchet inner ring, at least one outer plug-in part inner groove is arranged on the bridge plate convex part, a pawl matched with the ratchet inner ring is arranged in the outer plug-in part inner groove, one end of the pawl is rotatably connected with the outer plug-in part inner groove through a pawl fixing column, an elastic part capable of driving the pawl to move towards the ratchet inner ring side is arranged on the pawl fixing column, and the pawl is matched with the ratchet inner ring to enable the outer plug-in part to rotate only in one direction, and the unidirectional rotation direction of the outer inserting piece is the same as the clamping direction of the self-locking clamping piece driven by the clamping piece driving rod.

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 plug of the high temperature resistant and high strength self-locking nut of the present invention.

Fig. 6 is a schematic sectional view of a wrench bayonet socket insert 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 piece, 3-a clamping piece driving rod, 4-a limiting piece, 11-a thread cavity, 12-a clamping piece movable groove, 13-a clamping piece driving rod movable cavity, 14-a bridge plate clamping groove, 15-a metal clamping strip, 131-a driving rod cavity thread, 21-a clamping piece inclined plane, 31-a clamping piece driving rod cone head section, 32-a driving rod thread and 33-a wrench bayonet, 41-wrench bayonet plug-in piece, 42-connecting bridge plate, 43-pawl, 44-pawl fixed column, 45-elastic piece, 46-limiting disc, 411-outer plug-in piece, 421-bridge plate convex piece, 4111-outer plug-in piece inner cavity, 4112-ratchet inner ring, 4113-clamping foot, 4211-outer plug-in piece inner groove and 461-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 examples. It should be understood, however, that the description herein of specific embodiments is only 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, and the clamping piece driving rod 3 is movably arranged in the clamping piece driving rod movable cavity 13, 2 one side of auto-lock clamp piece extends to in the clamp piece actuating lever activity chamber 13, be close to on the auto-lock clamp piece 2 one side of clamp piece actuating lever activity chamber 13 is equipped with the tight piece inclined plane 21 of clamp that the slope set up, be equipped with on the clamp piece actuating lever 3 can with the cooperation of the tight piece inclined plane 21 of clamp is in order to drive auto-lock clamp piece 2 to the tight piece actuating lever cone section 31 of clamp of 11 inclines in 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 of clamp can with actuating lever chamber screw thread 131 meshed actuating lever screw thread 32, the 3 tip of tight piece actuating lever is equipped with and is used for control the spanner bayonet 33 of tight piece actuating lever 3 of clamp. 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 block 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, loosening is avoided, and the nut can be kept stable 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 disposed 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 disposed in the outer insert cavity 4111, a plurality of ratchet teeth are uniformly disposed in the ratchet inner ring 4112, at least one outer insert inner groove 4211 is disposed on the bridge plate protrusion 421, a pawl 43 capable of cooperating with the ratchet inner ring 4112 is disposed in the outer insert inner groove 4211, one end of the pawl 43 is rotatably connected to the 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 disposed on the pawl fixing post 44, the pawl 43 cooperates with the inner ratchet ring 4112 to make the outer plug 411 rotate only in one direction, and the direction of the one-way rotation of the outer plug 411 is the same as the direction of the clamping piece driving lever 3 driving the self-locking clamping piece 2. 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.