CN217002581U

CN217002581U - Internal connection type bolt convenient to connect

Info

Publication number: CN217002581U
Application number: CN202123444911.8U
Authority: CN
Inventors: 来小弟
Original assignee: Haiyan Everbright Standard Parts Co ltd
Current assignee: Haiyan Everbright Standard Parts Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-07-19
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses an internal connection type bolt convenient for connection, which relates to the technical field of bolt connection, and the prior structure can only protect the outer surface of the bolt, and the contact surface of a nut and the bolt can not be coated, and comprises a bolt main body, a nut and a nut, wherein the nut is fixedly arranged at the top end of the bolt main body, the nut is arranged at the bottom of the bolt main body and is connected through threads, the top end of the nut is provided with a step blind hole, an oil storage strip is arranged inside the step blind hole, an extrusion stud is arranged inside the step blind hole through threads, a sealing plug is embedded and installed at the top end of the step blind hole, a plurality of groups of through holes are arranged between the tooth distances of the bolt main body, and when in use, certain protective oil or rust removing oil can be injected into the bolt through the step blind hole, and the protective oil flows to the tooth distances through the arranged through holes to play a role of protecting and removing rust, meanwhile, the oil storage strips are extruded by the extrusion studs, so that the protective oil can be further discharged from the through holes.

Description

Internal connection type bolt convenient to connect

Technical Field

The utility model relates to the technical field of bolt connection, in particular to an internal connection type bolt convenient to connect.

Background

Bolts, machine parts, cylindrical threaded fasteners with nuts. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut and is used for fastening and connecting two parts with through holes. This type of connection is called a bolted connection

Most can brush the outer wall of bolt and nut after the bolt installation and go up the one deck antirust oil for play rust-resistant or anticorrosive effect, but current structure can only protect the external surface, and nut and bolt contact surface can't paint.

Accordingly, those skilled in the art have provided an internal connection type bolt which facilitates connection to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an internal connection type bolt which is easy to connect, so as to solve the problems of the background art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides an inscription formula bolt convenient to connect, includes bolt main part, nut and nut, and the nut is located the fixed setting in top of bolt main part, and the bottom that the nut is located the bolt main part passes through threaded connection, the step blind hole has been seted up on the top of nut, and oil storage strip has been placed to the inside of step blind hole, and the inside of step blind hole is provided with the extrusion double-screw bolt through the screw thread, and the sealing plug is installed in the top embedding of step blind hole, has seted up a plurality of groups through-hole between the tooth pitch of bolt main part.

As a still further scheme of the utility model: the step blind hole extends to the inside of the bolt main body and is communicated with the through hole, and a through groove is formed in one side of the bolt main body.

As a still further scheme of the utility model: one side of the nut is provided with a threaded hole, a limiting stud is connected in the threaded hole through threads, and one end of the limiting stud is provided with a flat groove.

As a still further scheme of the utility model: one end of the limiting stud extends into the through groove, and a reinforcing ring is integrally formed at the bottom of the nut.

As a still further scheme of the utility model: the bolt main body is sleeved with a gasket between the nut and the nut, and the upper end face and the lower end face of the gasket are provided with step faces.

As a still further scheme of the utility model: the sealing plug is a component made of rubber materials, and the bottom of the sealing plug is provided with a step structure matched with the step blind hole.

As a still further scheme of the utility model: the inner aperture of the reinforcing ring is the same as that of the nut, and the outer wall of the reinforcing ring is inclined inwards.

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

1. through being provided with step blind hole, oil storage strip, extrusion bolt, can pour into certain protection oil or rust removing oil into to the bolt inside through the step blind hole when using, the effect of protection rust cleaning is played to the through-hole flow direction tooth distance through setting up to the protection oil, and oil storage strip receives the extrusion of extrusion double-screw bolt simultaneously, can further make protection oil discharge from the through-hole.

2. Through being provided with logical groove, screw hole, spacing double-screw bolt, inside the spacing double-screw bolt screw in logical groove when using, form spacing avoiding the nut to appear becoming flexible to the rotation of nut, consolidate and connect the reliability, the installation of conveniently connecting.

Drawings

Fig. 1 is a schematic view of an overall structure of an internal connection type bolt for facilitating connection;

FIG. 2 is a through hole opening view of an internal connection bolt for ease of connection;

fig. 3 is a bottom view of a nut of an internal connection type bolt for facilitating connection.

In the figure: 1. a bolt body; 101. step blind holes; 102. a flat groove; 103. a sealing plug; 104. extruding the stud; 105. storing the deep-fried dough sticks; 106. a nut; 107. a through hole; 2. a nut; 201. a step surface; 202. a through groove; 203. a gasket; 204. a threaded hole; 205. a limiting stud; 206. and (7) reinforcing the ring.

Detailed Description

Referring to fig. 1 to 3, in the embodiment of the present invention, an internal connection type bolt convenient for connection includes a bolt main body 1, a nut 106 and a nut 2, the nut 106 is fixedly disposed at the top end of the bolt main body 1, the nut 2 is disposed at the bottom of the bolt main body 1 and is connected by a thread, a stepped blind hole 101 is formed at the top end of the nut 106, an oil storage bar 105 is disposed inside the stepped blind hole 101, an extrusion stud 104 is disposed inside the stepped blind hole 101 by a thread, a sealing plug 103 is embedded into the top end of the stepped blind hole 101, a plurality of groups of sealing plugs 107 are disposed between pitches of the bolt main body 1, an inner aperture of a reinforcing ring 206 is the same as an aperture of the nut 2, an outer wall of the reinforcing ring 206 is disposed in an inward inclined manner, the sealing plug 103 is made of a rubber material, and a stepped structure matched with the stepped blind hole 101 is disposed at the bottom of the reinforcing ring 103.

As shown in fig. 1 and 2, the stepped blind hole 101 extends into the bolt body 1 and is communicated with the through hole 107, so that the protective oil flows between the teeth through the through hole 107, and a through groove 202 is formed in one side of the bolt body 1.

As shown in fig. 1, a threaded hole 204 is formed in one side of the nut 2, a limit stud 205 is connected to the threaded hole 204 through a thread, and a flat groove 102 is formed in one end of the limit stud 205, so that screwing is facilitated.

As shown in fig. 3, one end of the limit stud 205 extends into the through slot 202, and a reinforcing ring 206 is integrally formed at the bottom of the nut 2 to further reinforce the overall strength of the nut 2.

As shown in fig. 1, a washer 203 is fitted between the nut 106 and the nut 2 on the bolt body 1, and stepped surfaces 201 are provided on upper and lower end surfaces of the washer 203 to prevent the nut 2 and the bolt body 1 from loosening during installation.

The working principle of the utility model is as follows: can pour into certain protection oil or remove the rust oil into to bolt main part 1 inside through step blind hole 101 during the use, the protection oil plays the effect of protection rust cleaning between flowing to the tooth distance by through-hole 107, and oil storage strip 105 receives the extrusion of extrusion double-screw bolt 104 simultaneously, can further make protection oil discharge from through-hole 107, and this embodiment has specifically solved traditional bolt structure and can not carry out the problem of protecting to nut 2 and bolted connection department.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. The utility model provides an inscription formula bolt convenient to connect, includes bolt main part (1), nut (106) and nut (2), and nut (106) are located the fixed setting in top of bolt main part (1), and threaded connection is passed through to the bottom that nut (2) are located bolt main part (1), its characterized in that: step blind hole (101) have been seted up on the top of nut (106), and oil storage strip (105) have been placed to the inside of step blind hole (101), and the inside of step blind hole (101) is provided with extrusion double-screw bolt (104) through the screw thread, and sealing plug (103) are installed in the top embedding of step blind hole (101), have seted up a plurality of groups through-hole (107) between the tooth distance of bolt main part (1).

2. An internal connection type bolt convenient to connect as claimed in claim 1, wherein the stepped blind hole (101) extends into the bolt body (1) and is arranged to be communicated with the through hole (107), and a through groove (202) is formed on one side of the bolt body (1).

3. The internal connection type bolt convenient to connect as claimed in claim 1, wherein one side of the nut (2) is provided with a threaded hole (204), a limit stud (205) is connected in the threaded hole (204) through a thread, and one end of the limit stud (205) is provided with a flat slot (102).

4. An internally connecting bolt convenient for connection according to claim 3, wherein one end of the limit stud (205) extends to the inside of the through groove (202), and the bottom of the nut (2) is integrally provided with a reinforcing ring (206).

5. An internal connection type bolt convenient to connect according to claim 1, wherein a gasket (203) is sleeved on the bolt main body (1) between the nut (106) and the nut (2), and the upper end face and the lower end face of the gasket (203) are provided with step faces (201).

6. An attachment facilitating inscription type bolt as claimed in claim 1, characterized in that said sealing plug (103) is a member made of rubber material, and the bottom of the sealing plug (103) is provided with a stepped structure which is fitted with the stepped blind hole (101).

7. An internal connection bolt for facilitating connection according to claim 4, wherein the inner diameter of the reinforcing ring (206) is the same as the diameter of the nut (2), and the outer wall of the reinforcing ring (206) is inclined inwardly.