CN218151942U

CN218151942U - High-strength nut special for engineering machinery

Info

Publication number: CN218151942U
Application number: CN202221961670.6U
Authority: CN
Inventors: 谢仔新
Original assignee: Yustar Fastener Jiaxing Co ltd
Current assignee: Yustar Fastener Jiaxing Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-12-27
Anticipated expiration: 2032-07-27

Abstract

The utility model discloses a special nut of high strength engineering machine tool belongs to the nut field. The utility model discloses a special nut of high strength engineering machine tool, including screw rod, nut body and gasket, the matching is installed corresponding nut body on the screw rod, and the lower surface of nut body is provided with the gasket, and be connected as an organic whole between nut body and the gasket and make. The utility model provides a problem that locking performance is poor among the prior art, utilize the both sides that locking screw blocked the screw rod, prevent that the nut body from taking place not hard up phenomenon because of vibrations, and then improve the locking performance of nut body, the gasket is along with nut body swivelling joint on the screw rod, the effect of gasket mainly is increase area of contact, reduce pressure, it is not hard up to prevent, protection nut body and screw rod, when the gasket is screwed up, the piece is embraced by the rubber ring, and embrace the screw rod, the area of contact between piece and the screw rod has been increased like this, the reinforcing frictional force, locking performance has further been improved.

Description

High-strength nut special for engineering machinery

Technical Field

The utility model relates to a nut field especially relates to special nut of high strength engineering machine tool.

Background

Construction machines are an important component of the equipment industry. In general, mechanical equipment necessary for comprehensive mechanized construction works required for earth and stone construction works, road surface construction and maintenance, mobile lifting, loading and unloading operations, and various construction works is called as construction machinery. The nut is also called a nut and is a fixing tool, the center of the nut is provided with a hole, and the inner side of the hole is provided with threads. Nuts are often used in conjunction with appropriately sized screws to secure the relevant joint, which are often hexagonal in shape and then square in shape. A large number of nuts are needed to be used for fastening on the existing engineering mechanical equipment, and the fastening effect of the nuts influences the safe operation of the engineering mechanical equipment. But present nut has following problem, and traditional nut structure is comparatively simple, fastens through the inboard screw thread of centre bore and screw mostly, and during engineering mechanical equipment function, the nut can be in under the state of vibrations, and long-time vibrations can cause the nut to take place not hard up, and then probably takes place the nut and drops, then influences engineering mechanical equipment's use gently, then probably has the potential safety hazard, and then causes the incident.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high strength engineering machine tool special nut possesses the characteristics that improve the locking performance of nut, has solved the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: high strength engineering machine tool special nut, including screw rod, nut body and gasket, the matching installs corresponding nut body on the screw rod, and the lower surface of nut body is provided with the gasket, is connected as an organic whole between nut body and the gasket and makes, is equipped with locking mechanism on the nut body.

The locking mechanism comprises a locking screw, a screw through hole and a cross groove, the head of the locking screw is provided with the cross groove, the screw through hole is formed in the nut body and is matched with the locking screw, the locking screw penetrates through the nut body, the tail of the locking screw is embedded into the rod body of the screw rod, and the nut body is connected with the screw rod in a locking mode through the locking screw.

Preferably, the nut body is hexagonal, and the intermediate position of nut body is equipped with the screw thread chamber, and the nut body passes through screw thread chamber swivelling joint on the screw rod.

Preferably, the locking mechanisms are symmetrically arranged and respectively arranged on two sides of the nut body.

Preferably, the gasket includes that rubber surrounds the retainer, is provided with rubber on the inner wall of gasket and surrounds the retainer, and the inner chamber of rubber surrounds the threaded cavity intercommunication on retainer and the nut body.

Preferably, the diameter of the inner cavity of the rubber surrounding part is equal to the diameter of the threaded cavity on the nut body, and the rubber surrounding part has certain elasticity.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a special nut of high strength engineering machine tool, the nut body passes through screw thread chamber swivelling joint on the screw rod, the screw through-hole has been seted up on the nut body, locking screw's head is equipped with the cross recess, with the help of the instrument, screw up locking screw gradually through the cross recess, the pole of the afterbody embedding screw rod of locking screw is built-in, utilize locking screw to block the both sides of screw rod, prevent that the nut body from taking place not hard up phenomenon because of vibrations, and then improve the locking performance of moving of nut body.

2. The utility model discloses a special nut of high strength engineering machine tool, the lower surface of nut body is provided with the gasket, make as an organic whole between nut body and the gasket, the gasket can be along with nut body swivelling joint on the screw rod, the effect of gasket mainly is increase area of contact, reduce pressure, prevent not hard up, protection nut body and screw rod, be provided with rubber on the inner wall of gasket and encircle the piece, the diameter of rubber armful piece inner chamber equals the diameter in screw thread chamber on the nut body, and rubber encircles the piece and has certain elasticity, when the gasket is screwed up, rubber encircles the piece by extrusion deformation, and embrace the screw rod, the area of contact between piece and the screw rod is embraced to rubber has been increased like this, the reinforcing frictional force, the locking performance that moves is further improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a front view of the nut body and the gasket of the present invention;

fig. 3 is a schematic top view of the nut body and the gasket of the present invention;

fig. 4 is a schematic structural view of the locking mechanism of the present invention;

fig. 5 is a schematic diagram of the gasket structure of the present invention.

In the figure: 1. a screw; 2. a nut body; 21. a locking mechanism; 211. locking screws; 212. a screw through hole; 213. a cross slot; 3. a gasket; 31. the rubber surrounds the retainer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the high-strength nut special for engineering machinery comprises a screw rod 1, a nut body 2 and a gasket 3, wherein the screw rod 1 is provided with the corresponding nut body 2 in a matching manner, the gasket 3 is arranged on the lower surface of the nut body 2, the nut body 2 and the gasket 3 are integrally connected, the connection between the nut body 2 and the gasket 3 is increased through the integral connection, and meanwhile, the nut body 2 and the gasket 3 have linkage during installation.

Referring to fig. 2-3, the nut body 2 is an outer hexagon, the outer hexagon is disposed so that people can use a wrench to clamp the edge of the outer hexagon of the nut body 2, the nut body 2 is gradually tightened by rotating the wrench and is fastened on the screw rod 1, a thread cavity is disposed in the middle of the nut body 2, the nut body 2 is rotatably connected to the screw rod 1 through the thread cavity, during connection, one end of the screw rod 1 is screwed into the nut body 2 with the thread cavity, and then the nut body 2 is screwed on, so that the screw rod 1 and the nut body 2 can be fastened and connected into a whole, and the nut body 2 is provided with a locking mechanism 21.

Referring to fig. 4, the locking mechanism 21 includes a locking screw 211, a screw through hole 212 and a cross groove 213, the locking mechanism 21 is symmetrically disposed and respectively disposed at two sides of the nut body 2, the cross groove 213 is disposed at a head of the locking screw 211, the screw through hole 212 is disposed on the nut body 2, the screw through hole 212 is matched with the locking screw 211, the locking screw 211 passes through the nut body 2, and a tail of the locking screw 211 is embedded into a shaft of the screw rod 1, the nut body 2 is locked and connected with the screw rod 1 through the locking screw 211, after the nut body 2 is fastened on the screw rod 1 by a wrench, the locking screw 211 is inserted into the screw through hole 212, with the aid of a cross screwdriver tool, the locking screw 211 is gradually screwed into the screw through hole 212 and tightened through the cross groove 213, the tail of the tightened locking screw 211 is embedded into the shaft of the screw rod 1, due to the symmetric arrangement of the locking mechanism 21, the locking screw 211 is embedded into two sides of the shaft of the screw rod 1, and the screw rod 1 is used to prevent the nut body 2 from being loosened due to improve the anti-loosening performance of the nut body 2, thereby ensuring the normal use of engineering machinery and reducing the safety accidents.

Please refer to fig. 5, the gasket 3 includes a rubber surrounding member 31, the inner wall of the gasket 3 is provided with the rubber surrounding member 31, the inner cavity of the rubber surrounding member 31 is communicated with the threaded cavity of the nut body 2, when the rubber surrounding member 31 is connected with the threaded cavity of the nut body 2, the screw rod 1 simultaneously penetrates through the inner cavity of the rubber surrounding member 31 and the threaded cavity of the nut body 2, because the nut body 2 and the gasket 3 are integrally connected, the nut body 2 is screwed in the screw rod 1, the gasket 3 is screwed in therewith, the gasket 3 mainly functions to increase the contact area, reduce the pressure, prevent loosening, protect the nut body 2 and the screw rod 1, the diameter of the inner cavity of the rubber surrounding member 31 is equal to the diameter of the threaded cavity of the nut body 2, and the rubber surrounding member 31 has a certain elasticity, the gasket 3 is aligned with the nut body 2 to the screw rod 1 to be fixed, the nut body 2 is screwed, the gasket 3 is synchronously screwed with the nut body 2, the rubber surrounding member 31 in the gasket 3 is pressed and deformed, the rubber surrounding member 31 surrounds the screw rod 1, the contact area and the contact area between the rubber surrounding member 31 and the screw rod 1 is increased, thereby further improving the friction resistance to prevent loosening.

In conclusion: this special nut of high strength engineering machine tool, during the connection, the one end screw in of screw rod 1 has in the nut body 2 of screw thread chamber, gasket 3 also can cooperate nut body 2 to screw up in step, after success limit fastening, aim at screw through-hole 212 with locking screw 211 and insert, with the help of cross screwdriver instrument, screw through-hole 212 is screwed in gradually locking screw 211 and is screwed up through cross slot 213, utilize locking screw 211 to block the both sides of screw rod 1, prevent that nut body 2 from taking place not hard up phenomenon because of vibrations, and then improve nut body 2's locking performance, and gasket 3's effect is mainly that increase area of contact, reduce pressure, prevent to become flexible, protection nut body 2 and screw rod 1, rubber in the gasket 3 embraces the piece 31 and receives the extrusion on screw rod 1 surface and takes place to warp, rubber after the deformation embraces the piece 31 and embraces screw rod 1, embrace the area of contact between piece 31 and the screw rod 1 through the increase rubber, strengthen the frictional force, locking performance has further been improved.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. High strength engineering machine tool special nut, including screw rod (1), nut body (2) and gasket (3), its characterized in that: the nut body (2) is correspondingly installed on the screw rod (1) in a matched mode, the gasket (3) is arranged on the lower surface of the nut body (2), the nut body (2) and the gasket (3) are connected integrally, and the nut body (2) is provided with a locking mechanism (21);

locking mechanism (21) are including locking screw (211), screw through-hole (212) and cross recess (213), and the head of locking screw (211) is equipped with cross recess (213), and screw through-hole (212) are seted up on nut body (2), screw through-hole (212) and locking screw (211) phase-match, and nut body (2) are passed in locking screw (211), and the afterbody embedding of locking screw (211) is in the pole body of screw rod (1), and nut body (2) are through locking connection between locking screw (211) and screw rod (1).

2. The high-strength nut special for engineering machinery according to claim 1, wherein: the nut body (2) is hexagonal, a thread cavity is formed in the middle of the nut body (2), and the nut body (2) is connected to the screw rod (1) in a rotating mode through the thread cavity.

3. The high-strength nut special for engineering machinery according to claim 1, wherein: the locking mechanisms (21) are symmetrically arranged and are respectively arranged on two sides of the nut body (2).

4. The high-strength nut special for engineering machinery according to claim 1, wherein: gasket (3) include rubber and encircle retainer (31), are provided with rubber on the inner wall of gasket (3) and encircle retainer (31), and the inner chamber of rubber encircles the threaded cavity intercommunication on retainer (31) and nut body (2).

5. The high-strength nut special for engineering machinery according to claim 4, wherein: the diameter of the inner cavity of the rubber surrounding retaining member (31) is equal to the diameter of the threaded cavity on the nut body (2), and the rubber surrounding retaining member (31) has certain elasticity.