CN224032920U - High wear-resisting gear groove pan head titanium alloy bolt - Google Patents

Abstract

The utility model belongs to the technical field of bolts and discloses a high-wear-resistance gear groove disc head titanium alloy bolt which comprises a bolt head, a screw rod and a nut, wherein the bolt head is fixedly connected with the screw rod, the screw rod is in threaded connection with the nut, the nut is connected with a protection component, the protection component is connected with the screw rod, the protection component comprises a hexagonal pipe body fixedly connected to the bottom of the nut, the hexagonal pipe body is movably connected with a hexagonal cylinder body, the bottom end of the hexagonal pipe body is arranged in the hexagonal cylinder body, the protection component wraps the screw rod at the bottom of the nut, so that the screw rod is prevented from being corroded by various substances outside, the service life of the bolt is prolonged, the protection component is connected with the screw rod and the nut, the screw rod is prevented from rotating relatively to a certain extent, the use of the bolt is facilitated, the sealing ring enhances the tightness between the nut and a fastened part, the substances are prevented from penetrating into the position of the screw rod passing through the fastened part, and the protection effect of the screw rod is improved.

Description

High wear-resisting gear groove pan head titanium alloy bolt

Technical Field

The utility model belongs to the technical field of bolts, and particularly relates to a high-wear-resistance gear groove pan head titanium alloy bolt.

Background

The bolt is a common mechanical part, and a fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut for fastening and connecting two parts with through holes, and the high-wear-resistance gear groove disc head titanium alloy bolt is a titanium alloy bolt combining a gear groove design and a disc head design, and the gear groove is positioned at the head part of the bolt and is usually a plurality of uniformly distributed toothed structures. The design increases the contact area and friction force between the bolt head and the tool, the special gear groove wrench or the tool can be used for clamping the bolt head more conveniently and firmly, accurate torque transmission is realized, the bolt is convenient to screw or loosen, the bolt is particularly suitable for occasions requiring larger torque and high-precision installation, the tool can be effectively prevented from slipping in the operation process, the installation and detachment efficiency and safety are improved, the bolt head in the shape of the disc head has a larger diameter and a flat top, the contact area with a connected part is larger, the force can be uniformly distributed on the surface of the connected part in the fastening process, the local stress concentration is reduced, the connection is firmer and flatter, the connection tightness and stability are improved, and the bolt head is suitable for parts with higher requirements on the flatness and the tightness of the connection surface.

The application number is 202322557127.0's chinese patent discloses an antiskid gear groove titanium alloy bolt, including the bolt head, the side fixed mounting of bolt head has the screw rod, nut one and nut two are installed to the surface screw thread of screw rod, the adapter sleeve is installed in the side rotation of nut one, the stop collar that the side fixed mounting of nut two used the cooperation adapter sleeve, be provided with the locking mechanism that is used for retracting fixed to the adapter sleeve on the stop collar, the internal thread that the cooperation screw rod used has all been seted up on the inner wall of nut one and nut two, and the screw thread opposite direction of two internal threads, through setting up nut one, nut two, utilize nut one and nut two can carry out dual fixed work to the screw rod, improve screw rod fixed stability, through setting up the screw thread on nut one and the nut two inner walls opposite, when the screw rod rotates to different directions, can carry out spacing through nut one and nut two respectively, effectively avoid the screw rod to take place the landing condition.

However, the titanium alloy bolt has the following problems that the bottom end position of the screw rod is directly exposed in the actual use process, and in some special working environments, the screw thread position can be corroded, so that the service life of the bolt is influenced.

Therefore, a high wear-resistant gear groove pan head titanium alloy bolt is provided for the problems.

Disclosure of utility model

In order to solve the problems in the background art, the utility model provides the high-wear-resistance gear groove pan head titanium alloy bolt which has the advantages of protecting the threads of the bolt and avoiding influencing the service life of the bolt.

In order to achieve the purpose, the utility model provides the technical scheme that the high-wear-resistance gear groove disc head titanium alloy bolt comprises a bolt head, a screw rod and a nut, wherein the bolt head is fixedly connected with the screw rod, the screw rod is in threaded connection with the nut, the nut is connected with a protection component, and the protection component is connected with the screw rod;

The protection component comprises a hexagonal tube body fixedly connected to the bottom of the nut, the hexagonal tube body is movably connected with a hexagonal tube body, the bottom end of the hexagonal tube body is arranged in the hexagonal tube body, a sealing ring is arranged at the outer side of the hexagonal tube body and close to the bottom, the sealing ring is attached to the inner wall of the hexagonal tube body, and a fastening screw is arranged at the bottom of the hexagonal tube body and is in threaded connection with a screw rod.

Preferably, the bolt head comprises a disc head main body, an expansion part is outwards formed at the bottom of the outer side of the disc head main body, and a gear groove is formed at the top of the disc head main body.

Preferably, a sealing gasket is arranged at the bottom of the bolt head, and the sealing gasket is sleeved on the screw rod.

Preferably, a limit groove is formed in the top of the nut, and a sealing ring is arranged in the limit groove.

Preferably, a through hole is formed in the bottom of the hexagonal cylinder, and the rod body of the fastening screw penetrates through the through hole.

Preferably, a thread groove is formed in the bottom end face of the screw rod, and the thread groove is in threaded connection with the fastening screw.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the utility model, the screw at the bottom of the nut is wrapped by the protective component, so that the corrosion of various external substances is avoided, the service life of the bolt is prolonged, and the protective component is connected with the screw and the nut, so that the nut can be prevented from rotating relative to the screw to a certain extent, and the use of the bolt is facilitated;

2. According to the utility model, the limit groove and the sealing ring are arranged, so that the tightness between the nut and the fastened piece is enhanced, substances are prevented from penetrating into the position of the screw rod passing through the fastened piece, and the protection effect of the screw rod is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the bolt head, screw, nut of the present utility model;

FIG. 3 is a schematic view of the structure of the nut of the present utility model;

FIG. 4 is a schematic view of the structure of the protection component of the present utility model;

Fig. 5 is a schematic cross-sectional view of the position of the protective assembly of the present utility model.

In the figure, 1, a bolt head, 101, a pan head main body, 102, an expanding part, 103, a gear groove, 2, a screw rod, 3 and a nut;

4. A protective assembly; 401, a hexagonal pipe body, 402, a hexagonal cylinder body, 403, a sealing ring, 404, a fastening screw, 405, a through hole, 406 and a thread groove;

5. sealing washer, limit groove, and sealing ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 5, the utility model provides a high wear-resistant gear groove pan head titanium alloy bolt, which comprises a bolt head 1, a screw rod 2 and a nut 3, wherein the bolt head 1 is fixedly connected with the screw rod 2, the screw rod 2 is in threaded connection with the nut 3, the nut 3 is connected with a protection component 4, and the protection component 4 is connected with the screw rod 2;

The protection component 4 includes the hexagon body 401 of fixed connection in nut 3 bottom, hexagon body 401 swing joint has hexagon barrel 402, hexagon barrel 402 is located to hexagon body 401's bottom, hexagon body 401 outside is provided with sealing washer 403 by the position of bottom, sealing washer 403 laminating hexagon barrel 402 inner wall, hexagon barrel 402 bottom is provided with fastening screw 404, fastening screw 404 threaded connection screw rod 2, the screw rod 2 parcel with nut 3 bottom position, avoid receiving the erosion of external various substances, the life of extension bolt, and protection component 4 connects screw rod 2 and nut 3, can prevent nut 3 relative screw rod 2 rotation to a certain extent, be favorable to the use of bolt.

Specifically, the bolt head 1 includes a disc head main body 101, an enlarged portion 102 is formed outwardly at the bottom of the outer side of the disc head main body 101, and a gear groove 103 is formed in the top of the disc head main body 101.

Further, the bottom of the bolt head 1 is provided with a sealing gasket 5, the sealing gasket 5 is sleeved on the screw rod 2, the sealing strength between the bolt head 1 and the fastened piece is enhanced, and corrosive substances are prevented from penetrating into and corroding the screw rod 2.

Still further, the spacing groove 6 has been seted up at the top of nut 3, is provided with sealing ring 7 in the spacing groove 6, strengthens sealing strength between sealing ring 7 and the quilt fastener, avoids corrosive substance infiltration erosion screw rod 2.

It should be noted that, a through hole 405 is formed at the bottom of the hexagonal cylinder 402, and the rod body of the fastening screw 404 passes through the through hole 405.

Notably, a thread groove 406 is formed on the bottom end surface of the screw rod 2, and the thread groove 406 is in threaded connection with the fastening screw 404.

The working principle and the flow are that the titanium alloy has higher hardness and strength, a certain wear-resistant foundation is provided for the bolt, the surface of the titanium alloy can keep better integrity in the friction process, the titanium alloy is not easy to wear or scratch, after the screw rod 2 passes through a fastened piece, the nut 3 is screwed onto the screw rod 2, after the nut 3 is connected with the screw rod 2, one end of the hexagonal tube 401 far away from the nut 3 stretches into the hexagonal tube 402, the sealing ring 403 is tightly attached to the inner wall of the hexagonal tube 402, the fastening screw 404 penetrates through the through hole 405 and then is in threaded connection with the thread groove 406, so that the hexagonal tube 402 is fixed, the screw rod 2 at the bottom of the nut 3 is wrapped, the corrosion of various substances outside is avoided, the service life of the bolt is prolonged, the protection component 4 is connected with the screw rod 2, the nut 3 can be prevented from rotating relative to the screw rod 2 to a certain extent, the use of the bolt is facilitated, the sealing washer 5 and the sealing ring 7 can enhance the sealing performance, the corrosion to the screw rod 2 is reduced, and the service life of the bolt is facilitated to be prolonged.

It is noted that 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The high-wear-resistance gear groove pan head titanium alloy bolt comprises a bolt head (1), a screw rod (2) and a nut (3), and is characterized in that the bolt head (1) is fixedly connected with the screw rod (2), the screw rod (2) is in threaded connection with the nut (3), the nut (3) is connected with a protection component (4), and the protection component (4) is connected with the screw rod (2);

the protection assembly (4) comprises a hexagonal tube body (401) fixedly connected to the bottom of the nut (3), the hexagonal tube body (401) is movably connected with a hexagonal tube body (402), the bottom end of the hexagonal tube body (401) is arranged in the hexagonal tube body (402), a sealing ring (403) is arranged at the outer side of the hexagonal tube body (401) close to the bottom, the sealing ring (403) is attached to the inner wall of the hexagonal tube body (402), a fastening screw (404) is arranged at the bottom of the hexagonal tube body (402), and the fastening screw (404) is connected with the screw rod (2) in a threaded mode.

2. The high wear-resistant gear groove disc head titanium alloy bolt is characterized in that the bolt head (1) comprises a disc head main body (101), an expanding part (102) is outwards formed at the bottom of the outer side of the disc head main body (101), and a gear groove (103) is formed in the top of the disc head main body (101).

3. The high-wear-resistance gear groove disc head titanium alloy bolt is characterized in that a sealing washer (5) is arranged at the bottom of the bolt head (1), and the sealing washer (5) is sleeved on the screw rod (2).

4. The high-wear-resistance gear groove pan head titanium alloy bolt is characterized in that a limit groove (6) is formed in the top of the nut (3), and a sealing ring (7) is arranged in the limit groove (6).

5. The high-wear-resistance gear groove disc head titanium alloy bolt of claim 1, wherein a through hole (405) is formed in the bottom of the hexagonal cylinder body (402), and a rod body of the fastening screw (404) penetrates through the through hole (405).

6. The high wear-resistant gear groove disc head titanium alloy bolt of claim 1, wherein a thread groove (406) is formed in the bottom end surface of the screw rod (2), and the thread groove (406) is in threaded connection with a fastening screw (404).