CN217355141U

CN217355141U - Outer hexagon bolt of double-bolt head

Info

Publication number: CN217355141U
Application number: CN202221200958.1U
Authority: CN
Inventors: 邱忠英
Original assignee: Jiangsu Shiti Automobile Fastener Co ltd
Current assignee: Jiangsu Shiti Automobile Fastener Co ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-09-02
Anticipated expiration: 2032-05-19

Abstract

The utility model provides an outer hexagon bolt of two bolt heads, including the screw rod, be provided with first set nut and second set nut on the screw rod, the supporting angle is adjusted to the equal fixedly connected with in the outside of first set nut and second set nut, and first set nut and second set nut's surface all is provided with the regulatory region, and the central position of screw rod is provided with the butt structure, and the butt structure is whole including butt ring, supplementary pad, head rod, second connecting rod, a location section of thick bamboo, buffer spring, barrier ring and buffer layer. The butt ring supports the connecting rod structure when sliding along the connecting rod structure under the complete stress condition, and the stress of the stop ring buffers through the buffer layer, can effectively buffer the external force and the vibration that the connection position received, and the stability of reinforcing connection position.

Description

Outer hexagon bolt of double-bolt head

Technical Field

The utility model relates to a bolt technical field, more specifically the theory relates to an outer hexagon bolt of two bolt heads.

Background

The bolt is a fastener consisting of a bolt head and a screw rod, needs to be matched with a nut and is used for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection. A variety of bolts exist in the prior art, and the bolt can meet the requirements of various working conditions.

Bolts and nuts in the prior art are easy to loosen on occasions where the fastened piece frequently vibrates; the joint of the bolt and the nut is easy to rust.

In order to solve the problems, the utility model with the application number of CN201520296841.1 provides a bolt with double bolt heads, which aims at solving the problem that the bolt and the nut in the prior art are easy to loosen when being frequently vibrated by a fastener; the problem that the joint of the bolt and the nut is easy to rust is solved, through the notch, the inserting piece adaptive to the notch can be inserted in the notch, so that the nut is prevented from loosening and even sliding off, and meanwhile, through applying an antirust agent in the notch, the joint of the bolt and the nut is prevented from rusting; however, in the process of practical use, this kind of stud does not possess shock attenuation buffer function, still leads to taking place the pine because of vibrations easily and takes off the phenomenon, and the fastening effect is not good, and in the use, the thread groove content on the threaded rod is easy to be blockked up by impurity or dust, leads to nut and bolted connection effect not good, and the bolt main part does not possess the maintenance function, uses for a long time, still can appear the condition of rustting between inserted sheet and the notch, influences the use, needs to improve.

Therefore, a new double-bolt head hexagon socket head bolt is needed.

SUMMERY OF THE UTILITY MODEL

The purpose of the double-bolt head outer hexagon bolt of the embodiment is achieved by the following specific technical means:

a double-bolt head outer hexagon bolt comprises a screw rod, wherein a first positioning nut and a second positioning nut are arranged on the screw rod, the outer sides of the first positioning nut and the second positioning nut are fixedly connected with an adjusting supporting angle, the surfaces of the first positioning nut and the second positioning nut are provided with adjusting areas, a butt structure is arranged in the center of the screw rod, the whole butt structure comprises a butt ring, an auxiliary pad, a first connecting rod, a second connecting rod, a positioning cylinder, a buffer spring, a stop ring and a buffer layer, the auxiliary pad is fixedly connected with the butt ring, the first connecting rod and the second connecting rod are simultaneously connected with the screw rod and the stop ring, the positioning cylinder is sleeved with the buffer spring, the stop ring is connected with the buffer layer, the surfaces of the first positioning nut and the second positioning nut are fixedly provided with an adding port, the inner sides of the first positioning nut and the second positioning nut are provided with threads, an oil guide layer and a lubricating layer are embedded in the adding port, the oil guide layer and the lubricating layer are arranged in a matched manner.

Further preferred embodiments: the adjusting area is arranged on a hexagonal plane, and the adjusting support angles are arranged in two groups in an outward inclined mode on the outer sides of the first positioning nut and the second positioning nut.

Further preferred embodiments: the auxiliary pad is set to be a rubber pad and is fixedly arranged at the outer end position of the abutting ring, and meanwhile, the auxiliary pad is arranged at the inner end position of the positioning nut structure.

Further preferred embodiments: the first connecting rods and the second connecting rods are arranged in a matched mode, the first connecting rods are provided with a plurality of groups, and the second connecting rods are located between the first connecting rods.

Further preferred embodiments: a location section of thick bamboo cup joints the setting on the head rod, and a location section of thick bamboo and butt ring bottom are connected, and a location section of thick bamboo is inside to correspond buffer spring and set up the mounting groove.

Further preferred embodiments: the buffer spring is embedded in the positioning cylinder, and the outer end of the buffer spring is simultaneously connected with the stop ring.

Further preferred embodiments: the stop collar sets up two sets ofly, surrounds the setting to the buffer layer, and the buffer layer sets up to hard rubber layer.

Further preferred embodiments: the vertical setting of oil guide layer imbeds in adding the mouth, and the lubricant blanket is located the position between set nut inboard and the screw rod simultaneously, sets up to the sponge layer.

Has the advantages that:

1. this kind of outer hexagon bolt of double bolt head is through adjusting the manual direct adjustment of the person of using of fulcrum and regulation district or use tool adjusts two kinds of modes and rotates the regulation to the set nut structure.

2. This kind of outer hexagon bolt of double bolt head, when the fastener was located between set nut structure and the butt structure, strengthened set screw structure and butt structure through supplementary pad and to the fixed stability of fastener, reduced rigid contact, be favorable to the installation stability of fastener.

3. This kind of outer hexagon bolt of two bolt heads, head rod and second connecting rod are as connection structure, connect both ends bolt, stability when reinforcing bolt structure uses, the butt ring of being convenient for simultaneously slides and adjusts, through a location section of thick bamboo and buffer spring, when carrying out slide adjusting along connecting rod structure under the butt ring atress condition, reaches the effect of carrying out the buffering to external force, and buffer spring provides reverse pretightning force simultaneously, strengthens the connection stability between butt ring and the fastener.

4. This kind of outer hexagon bolt of double bolt head, the butt ring supports it through blockking the ring when sliding along connecting rod structure under the complete atress condition, and the atress of blockking the ring cushions through the buffer layer, can effectually cushion the external force that the hookup location received and vibrations, strengthens hookup location's stability.

5. This kind of outer hexagon bolt of double-bolt head carries out lubricating oil through adding the mouth and adds the time, through leading oil reservoir and lubricating layer reach to screw thread groove and positioning nut structure between the hookup location carry out the effect of lubricated maintenance.

Drawings

Fig. 1 is an overall structure front view of the present invention.

Fig. 2 is a front view of the positioning nut connection structure of the present invention.

Fig. 3 is a cross-sectional view of the butt structure of the present invention.

Fig. 4 is a cross-sectional view of the connection of the internal structure of the positioning nut of the present invention.

In FIGS. 1-4: the device comprises a screw rod 1, a first positioning nut 2, a second positioning nut 3, an abutting structure 4, an adjusting supporting angle 5, an adjusting area 6, an abutting ring 7, an auxiliary pad 8, a first connecting rod 9, a second connecting rod 10, a positioning cylinder 11, a buffer spring 12, a stop ring 13, a buffer layer 14, an adding port 15, threads 16, an oil guide layer 17 and a lubricating layer 18.

Detailed Description

As shown in figures 1 to 4:

the utility model provides a double-bolt head hexagon socket head cap screw, which comprises a screw rod 1, a first positioning nut 2 and a second positioning nut 3 are arranged on the screw rod 1, the outer sides of the first positioning nut 2 and the second positioning nut 3 are fixedly connected with an adjusting supporting angle 5, the surfaces of the first positioning nut 2 and the second positioning nut 3 are provided with an adjusting area 6, the middle position of the screw rod 1 is provided with a butt structure 4, the butt structure 4 integrally comprises a butt ring 7, an auxiliary pad 8, a first connecting rod 9, a second connecting rod 10, a positioning cylinder 11, a buffer spring 12, a stop ring 13 and a buffer layer 14, the auxiliary pad 8 and the butt ring 7 are fixedly connected, the first connecting rod 9 and the second connecting rod 10 are simultaneously connected with the screw rod 1 and the stop ring 13, the positioning cylinder 11 is sleeved with the buffer spring 12, the stop ring 13 is connected with the buffer layer 14, an adding port 15 is fixedly arranged on the surfaces of the first positioning nut 2 and the second positioning nut 3, the inner sides of the first positioning nut 2 and the second positioning nut 3 are provided with threads 16, an oil guide layer 17 and a lubricating layer 18 are embedded in the adding port 15, and the oil guide layer 17 and the lubricating layer 18 are arranged in a matched mode.

Wherein, regulation district 6 is the setting of hexagonal plane, adjusts that the angle of branch 5 leans out in the outside of first set nut 2 and second set nut 3 and sets up two sets ofly, adjusts two kinds of modes through adjusting the manual direct regulation of the staff of branch angle 5 and regulation district 6 or use tool and adjusts the set nut structure and rotate the regulation.

Wherein, the auxiliary pad 8 sets up to the rubber pad, and fixed setting is in the outer end position of butt ring 7, and the auxiliary pad 8 sets up the inner position at the set nut structure simultaneously, and when the fastener was located between set nut structure and the butt structure 4, through the fixed stability of 8 reinforcing positioning screw structures of auxiliary pad and butt structure 4 to the fastener, reduce rigid contact, be favorable to the installation stability of fastener.

Wherein, the supporting setting of head rod 9 and second connecting rod 10, head rod 9 sets up the multiunit, and second connecting rod 10 is located between the head rod 9, and head rod 9 and second connecting rod 10 are as connection structure, connect both ends bolt, and stability when reinforcing bolt structure uses is convenient for simultaneously the butt ring 7 slides and is adjusted.

Wherein, a location section of thick bamboo 11 cup joints and sets up on head rod 9, and a location section of thick bamboo 11 and butt ring 7 bottom are connected, and a location section of thick bamboo 11 is inside to set up the mounting groove corresponding to buffer spring 12.

Wherein, buffer spring 12 imbeds in a location section of thick bamboo 11, and the outer end is connected with stop ring 13 simultaneously, through a location section of thick bamboo 11 and buffer spring 12, when carrying out slide adjusting along the connecting rod structure under the butt ring 7 atress circumstances, reaches the effect of buffering to external force, and buffer spring 12 provides reverse pretightning force simultaneously, strengthens the connection stability between butt ring 7 and the fastener.

Wherein, the two groups of the stop rings 13 surround the buffer layer 14, the buffer layer 14 is a hard rubber layer, when the butting ring 7 slides along the connecting rod structure under the condition of complete stress, the butting ring is supported by the stop rings 13, and the stress of the stop rings 13 is buffered by the buffer layer 14, so that the external force and the vibration on the connecting position can be effectively buffered, the stability of the connecting position is enhanced,

wherein, lead the vertical setting of oil layer 17, the embedding is in adding mouthful 15, and the lubricant film 18 lies in position between set nut inboard and the screw rod 1 simultaneously, sets up to the sponge layer, when carrying out lubricating oil interpolation through adding mouthful 15, through leading oil layer 17 and lubricant film 18 reach screw rod 1 thread groove and with the set nut structure between the hookup location carry out lubricated maintenance's effect.

The working principle is as follows:

the specific application method and function of the embodiment, when the device is used, an external fastener is positioned between the positioning nut structure and the abutting structure 4, the positioning nut structure is rotated, the auxiliary pad 8 at the bottom end position of the positioning nut structure is matched with the auxiliary pad 8 in the abutting structure 4 to contact with the surface of the fastener, the connection stability between the positioning nut structure and the external fastener is enhanced, and meanwhile, the hard contact force between the connection positions is reduced, when the positioning nut structure is rotated, the abutting ring 7 slides along the first connecting rod 9 and the second connecting rod 10 under the condition of stress, the pressure applied to the buffer spring 12 in the positioning cylinder 11 is exerted, when the abutting ring 7 slides to the blocking ring 13, the maximum adjusting effect is achieved, the fixing effect on the external fastener is completed, and during the use process, the external force applied to the fastener and the screw structure, cushion through buffer layer 14, it is not hard up to avoid vibrations to lead to bolted connection position, and the user of service simultaneously has through adding mouthful 15 addition lubrication, and lubricating oil is through leading oil reservoir 17 temporary storage, cooperates lubricating layer 18 to accomplish the lubricated maintenance to screw rod 1 and set nut structure connection position.

Claims

1. The utility model provides an outer hexagon bolt of two bolt heads, includes screw rod (1), its characterized in that: a first positioning nut (2) and a second positioning nut (3) are arranged on the screw rod (1), adjusting supporting angles (5) are fixedly connected to the outer sides of the first positioning nut (2) and the second positioning nut (3), adjusting areas (6) are arranged on the surfaces of the first positioning nut (2) and the second positioning nut (3), a butting structure (4) is arranged in the middle of the screw rod (1), the butting structure (4) integrally comprises a butting ring (7), an auxiliary pad (8), a first connecting rod (9), a second connecting rod (10), a positioning cylinder (11), a buffer spring (12), a blocking ring (13) and a buffer layer (14), the auxiliary pad (8) is fixedly connected with the butting ring (7), the first connecting rod (9) and the second connecting rod (10) are simultaneously connected with the screw rod (1) and the blocking ring (13), the positioning cylinder (11) is sleeved with the buffer spring (12), stop ring (13) and buffer layer (14) are connected, and the fixed surface of first set nut (2) and second set nut (3) has been seted up and has been added mouth (15), and first set nut (2) and second set nut (3) inboard are provided with screw thread (16), and the inside embedding that adds mouth (15) is provided with leads oil layer (17) and lubricant film (18), leads oil layer (17) and lubricant film (18) supporting setting.

2. A double-bolt-head hexagon socket head bolt according to claim 1, wherein: the adjusting area (6) is arranged on a hexagonal plane, and the adjusting supporting angles (5) are arranged in two groups in an outward inclined mode on the outer sides of the first positioning nut (2) and the second positioning nut (3).

3. A double-bolt-head hexagon socket head bolt according to claim 1, wherein: the auxiliary pad (8) is arranged to be a rubber pad and fixedly arranged at the outer end of the abutting ring (7), and meanwhile, the auxiliary pad (8) is arranged at the inner end of the positioning nut structure.

4. A double-bolt head hexagon socket head bolt according to claim 1, wherein: the first connecting rods (9) and the second connecting rods (10) are arranged in a matched mode, the first connecting rods (9) are arranged in a plurality of groups, and the second connecting rods (10) are located between the first connecting rods (9).

5. A double-bolt-head hexagon socket head bolt according to claim 1, wherein: a location section of thick bamboo (11) cup joint the setting on head rod (9), and a location section of thick bamboo (11) and butt ring (7) bottom are connected, and a location section of thick bamboo (11) inside corresponds buffer spring (12) and sets up the mounting groove.

6. A double-bolt-head hexagon socket head bolt according to claim 1, wherein: the buffer spring (12) is embedded in the positioning cylinder (11), and the outer end of the buffer spring is simultaneously connected with the stop ring (13).

7. A double-bolt head hexagon socket head bolt according to claim 1, wherein: the two groups of stop rings (13) surround the buffer layer (14), and the buffer layer (14) is set to be a hard rubber layer.

8. A double-bolt-head hexagon socket head bolt according to claim 1, wherein: the oil guide layer (17) is vertically arranged and embedded into the adding port (15), and the lubricating layer (18) is simultaneously positioned between the inner side of the positioning nut and the screw rod (1) and is arranged as a sponge layer.