CN220268166U - Titanium alloy bolt and nut assembly - Google Patents

Abstract

The utility model provides a titanium alloy bolt and nut assembly, which relates to the technical field of titanium alloy processing and comprises a bolt body and a nut body, wherein the bolt body comprises a screw, a limiting baffle ring is fixedly connected to the top end of the screw, a step block is fixedly welded to the top of the limiting baffle ring near the center, a screw head is fixedly arranged on the top of the step block, an inner hexagonal groove is formed in the top of the screw head near the center, a plurality of first anti-slip grooves are formed in the outer surface of the screw head at equal intervals along the horizontal direction, and external threads are formed in the outer surface of the screw at equal intervals along the vertical direction. The utility model solves the problems that when the traditional bolt and nut assembly is used, the bolt and the nut are blocked due to the working problem between threads, so that the device is inconvenient to disassemble and difficult to process, the service efficiency of the device is reduced, and the efficiency of the bolt and the nut is reduced due to the fact that the existing bolt and nut are made of common aluminum parts.

Description

Titanium alloy bolt and nut assembly

Technical Field

The utility model relates to the technical field of titanium alloy processing, in particular to a titanium alloy bolt and nut assembly.

Background

Titanium alloys refer to a variety of alloying metals made from titanium and other metals. Titanium is an important structural metal developed in the 50 s of the 20 th century, and titanium alloy has high strength, good corrosion resistance and high heat resistance and is an alloy formed by adding other elements based on titanium. Titanium has two different crystalline forms: alpha titanium with close-packed hexagonal structure below 882 ℃ and beta titanium with body-centered cubic structure above 882 ℃, the titanium alloy has high strength, small density, good mechanical property and good toughness and corrosion resistance. In addition, titanium alloys have poor processing properties, difficult cutting processing, and are very likely to absorb impurities such as oxyhydrogen carbon during hot working. Also has poor wear resistance and complex production process.

When using titanium alloy bolt nut subassembly, traditional bolt nut subassembly can be because the problem of doing between the screw thread when using for bolt and nut produce the card phenomenon of dying, make the device be inconvenient for disassemble, make the device more difficult to handle, thereby reduced the availability factor of device, and the material of current bolt and nut aluminium piece commonly used, easy loss, thereby lead to the efficiency reduction of bolt and nut.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, the traditional bolt and nut assembly is clamped due to the working problem between threads, so that the device is inconvenient to disassemble, the device is difficult to process, the service efficiency of the device is reduced, and the existing bolt and nut materials are commonly used for aluminum pieces and are easy to wear, so that the efficiency of the bolt and the nut is reduced.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a titanium alloy bolt nut assembly, includes bolt body and nut body, the bolt body contains the screw rod, screw rod top fixedly connected with restriction baffle ring, the top of restriction baffle ring is close to the fixed welding of center department has the bench piece, the fixed screw head that is provided with in top of bench piece, the top of screw head is close to center department and has seted up interior hexagonal recess, a plurality of first anti-skidding grooves have been seted up along the horizontal direction equidistance to the surface of screw head.

As a preferred embodiment, the outer surface of the screw is provided with external threads equidistantly along the vertical direction.

As a preferred embodiment, the nut body comprises a hexagonal block, a plurality of second anti-slip grooves are formed in the outer surface of the hexagonal block at equal intervals along the horizontal direction, and when the external threads and the internal threads are blocked, the nut body is still clamped on the second anti-slip grooves by means of a vice or a locking pliers, and then the vice or the locking pliers are rotated, so that the device is convenient to disassemble, and the use efficiency of the device is improved.

As a preferable implementation mode, the inner surface wall of the hexagonal block is provided with an inner thread along the vertical direction, the inner thread is connected with the outer thread in a threaded manner, and the bolt body and the nut body are connected in a threaded manner by pushing between the inner thread and the outer thread.

As a preferred embodiment, the inside of the bolt body and the nut body comprises an aluminum layer, and the bottom of the aluminum layer is provided with a carbon layer, and as the inner materials of the bolt body and the nut body comprise the aluminum layer and the carbon layer as alloy components, the normal temperature and high temperature strength of the alloy can be better improved, the specific gravity is reduced, and the elastic modulus is obviously improved.

As a preferred embodiment, the bolt body and the nut body comprise an oxygen layer in the interior, the oxygen layer is positioned at the bottom of the carbon layer, and a nitrogen layer is arranged at the bottom of the oxygen layer, wherein the oxygen layer and the nitrogen layer are also contained, the alloy has larger solubility in alpha phase, and the alloy has obvious strengthening effect, so that the titanium alloy is stronger, and the hardness of the bolt body and the nut body is improved.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, the bolt body and the nut body are connected through the pushing between the internal thread and the external thread, and then the nut body is pushed to a certain extent by the limit of the limiting baffle ring, so that the pushing can be stopped, the nut body is not easy to damage, the device is more convenient to use, the device is further plugged into the inner hexagonal groove through the inner hexagonal wrench, the screw head is rotated through rotating the inner hexagonal wrench, the device is more beneficial to pushing, when the device is blocked or the inner hexagonal groove is damaged, the device can be clamped on the first anti-slip groove by means of the vice or the locking pliers, and then the vice or the locking pliers are rotated, so that the device is convenient to disassemble, and the use efficiency of the device is improved.

2. In the utility model, when the external thread and the internal thread are blocked, the clamping is still carried out on the second anti-slip groove by virtue of the vice or the bolt, and the vice or the bolt is rotated along with the clamping, so that the device is convenient to disassemble, thereby improving the service efficiency of the device.

Drawings

Fig. 1 is a schematic diagram of a front view and a perspective structure of a titanium alloy bolt and nut assembly according to the present utility model;

FIG. 2 is a schematic diagram showing a side view and an exploded perspective view of a titanium alloy bolt and nut assembly according to the present utility model;

FIG. 3 is a schematic diagram showing a front exploded perspective view of a titanium alloy bolt and nut assembly according to the present utility model;

fig. 4 is a schematic perspective view of a bolt body and a nut body material layer of a titanium alloy bolt-nut assembly according to the present utility model.

Legend description: 1. a bolt body; 2. a nut body; 301. a screw; 302. an external thread; 303. a limiting baffle ring; 304. a landing block; 305. a screw head; 306. an inner hexagonal groove; 307. a first cleat; 401. hexagonal blocks; 402. an internal thread; 403. a second anti-skid groove; 501. an aluminum layer; 502. a carbon layer; 503. an oxygen layer; 504. and a nitrogen layer.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

1-3, the utility model provides a titanium alloy bolt and nut assembly, which comprises a bolt body 1 and a nut body 2, wherein the bolt body 1 comprises a screw 301, a limiting baffle ring 303 is fixedly connected to the top end of the screw 301, a step block 304 is fixedly welded to the position, close to the center, of the top of the limiting baffle ring 303, a screw head 305 is fixedly arranged on the top of the step block 304, an inner hexagonal groove 306 is formed in the position, close to the center, of the top of the screw head 305, and a plurality of first anti-skid grooves 307 are formed in the outer surface of the screw head 305 at equal intervals along the horizontal direction.

The effect that its whole embodiment 1 reaches is, at first, advance through between internal thread 402 and the external screw thread 302 for bolt body 1 and nut body 2 carry out threaded connection, consequently, through the restriction of restriction stop ring 303, when making nut body 2 advance to a certain extent, can stop advancing, and not fragile, make the device more convenient to use, further through the inside hexagonal socket 306 of hexagonal socket wrench plug, through rotating hexagonal socket wrench, thereby make the spiral shell head 305 rotate, make the device more be favorable to advancing, when the device is blocked, or when hexagonal socket 306 damages, can carry out the centre gripping on first anti-skidding groove 307 with the help of vice or locking pliers, consequently, rotate vice or locking pliers, make the device be convenient for disassemble, thereby the availability factor of device has been improved.

Embodiment 2, as shown in fig. 1-4, external threads 302 are equidistantly arranged on the outer surface of a screw 301 along the vertical direction, a nut body 2 comprises a hexagonal block 401, a plurality of second anti-slip grooves 403 are equidistantly arranged on the outer surface of the hexagonal block 401 along the horizontal direction, internal threads 402 are arranged on the inner surface wall of the hexagonal block 401 along the vertical direction, the internal threads 402 are in threaded connection with the external threads 302, an aluminum layer 501 is arranged in the bolt body 1 and the nut body 2, a carbon layer 502 is arranged at the bottom of the aluminum layer 501, an oxygen layer 503 is arranged in the bolt body 1 and the nut body 2, the oxygen layer 503 is arranged at the bottom of the carbon layer 502, and a nitrogen layer 504 is arranged at the bottom of the oxygen layer 503.

The effect achieved in the whole embodiment 2 is that when the external thread 302 and the internal thread 402 are stuck, the clamping is still carried out on the second anti-slip groove 403 by means of a vice or a bolt, and then the vice or the bolt is rotated, so that the device is convenient to disassemble, the service efficiency of the device is improved, further, as the internal materials of the bolt body 1 and the nut body 2 comprise an aluminum layer 501 and a carbon layer 502 as alloy components, the normal temperature and high temperature strength of the alloy can be better improved, the specific gravity is reduced, the elastic modulus is obviously improved, the oxygen layer 503 and the nitrogen layer 504 are also contained, the alloy has larger solubility in an alpha phase, the obvious strengthening effect is provided for the alloy, the titanium alloy is stronger, the hardness of the bolt body 1 and the nut body 2 is improved, and the loss of the bolt body 1 and the nut body 2 is reduced.

The present utility model is not limited to the above embodiments, and any equivalent embodiments which can be changed or modified by the technical disclosure described above can be applied to other fields, but any simple modification, equivalent changes and modification to the above embodiments according to the technical matter of the present utility model will still fall within the protection scope of the technical disclosure.

Claims (6)

1. The utility model provides a titanium alloy bolt nut subassembly, includes bolt body (1) and nut body (2), its characterized in that: bolt body (1) contains screw rod (301), screw rod (301) top fixedly connected with limit stop ring (303), limit stop ring (303) top is close to the fixed welding of center department and has a bench piece (304), the fixed screw head (305) that is provided with in top of bench piece (304), the top of screw head (305) is close to center department and has seted up interior hexagonal groove (306), a plurality of first anti-skidding grooves (307) have been seted up along the horizontal direction equidistance to the surface of screw head (305).

2. A titanium alloy bolt and nut assembly as defined in claim 1, being characterized by: external threads (302) are formed on the outer surface of the screw rod (301) at equal intervals along the vertical direction.

3. A titanium alloy bolt and nut assembly as defined in claim 1, being characterized by: the nut body (2) comprises a hexagonal block (401), and a plurality of second anti-skid grooves (403) are formed in the outer surface of the hexagonal block (401) at equal intervals along the horizontal direction.

4. A titanium alloy bolt and nut assembly according to claim 3, characterized in that: an inner surface wall of the hexagonal block (401) is provided with an inner thread (402) along the vertical direction, and the inner thread (402) is in threaded connection with the outer thread (302).

5. A titanium alloy bolt and nut assembly as defined in claim 1, being characterized by: the inner parts of the bolt body (1) and the nut body (2) comprise an aluminum layer (501), and a carbon layer (502) is arranged at the bottom of the aluminum layer (501).

6. A titanium alloy bolt and nut assembly as defined in claim 1, being characterized by: the bolt body (1) and the nut body (2) are internally provided with an oxygen layer (503), the oxygen layer (503) is positioned at the bottom of the carbon layer (502), and a nitrogen layer (504) is arranged at the bottom of the oxygen layer (503).