CN210509886U

CN210509886U - Pin bolt

Info

Publication number: CN210509886U
Application number: CN201920882159.9U
Authority: CN
Inventors: 樊瑜瑾; 何伟; 李浙昆
Original assignee: Kunming University of Science and Technology
Current assignee: Kunming University of Science and Technology
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-05-12
Anticipated expiration: 2029-06-13

Abstract

The utility model discloses a stud bolt, including stud bolt, nut I, gasket II, nut II, the outer circular conical surface both ends of stud bolt are external screw thread I, external screw thread II respectively, and the circular conical surface compresses tightly with circular conical hole II of panel II and the I laminating in circular conical hole of panel I, and the external screw thread I of stud bolt is fixed with I threaded connection of internal thread of nut I, and the external screw thread II of stud bolt is fixed with II threaded connection of internal thread of nut II, and the terminal surface I of nut I compresses tightly the face I that compresses tightly of panel I through gasket I, and the terminal surface II of nut II compresses tightly the face II that compresses tightly of panel II through gasket II. The utility model discloses at first fix panel I and II threaded connection of panel through pin double-screw bolt and nut, utilize the outer conical surface of pin double-screw bolt and the restrictive mechanical restraint of the laminating production of the circular cone hole of panel I and panel II to play the locating pin effect simultaneously.

Description

Pin bolt

Technical Field

The utility model relates to a pin bolt belongs to threaded connection spare technical field.

Background

The bolt is matched with the nut and used for tightly connecting two parts with through holes, the bolt connection belongs to detachable connection, the bolts are various and comprise hexagon head bolts, stud bolts, foundation bolts, round head bolts, square head bolts, countersunk head bolts, T-shaped groove bolts and the like, the bolts are divided into common bolts and bolts for reaming holes according to the stress mode of connection, the common bolts mainly bear axial stress, and transverse stress with low requirements can also be borne. The bolt for reaming the hole is matched with the size of the hole and used when being stressed by transverse force, the bolt connection is widely applied to daily life and industrial production and manufacture and is the most common fastening connection mode, and the defects that the bolt connection is prevented from being loosened by a connected piece by means of friction force and the connection reliability is not high exist.

Disclosure of Invention

The utility model provides a pin bolt utilizes the conical surface of bolt and the circular conical bore laminating of being connected the board material to produce restrictive mechanical constraint when threaded connection is fixed, has threaded connection fixed action and locating pin effect concurrently.

The technical scheme of the utility model is that: a pin bolt comprises a pin stud 1, a nut I2, a gasket I3, a gasket II 4 and a nut II 5, wherein the pin stud 1 comprises an external thread I11, an external conical surface 12 and an external thread II 13, the nut I2 comprises an internal thread I21, an end surface I22 and a hexagon head I23, the gasket I3 comprises an inner hole I31, the gasket II 4 comprises an inner hole II 41, and the nut II 5 comprises an internal thread II 51, an end surface II 52 and a hexagon head II 53;

the nut I2 is provided with a hexagonal head I23 for screwing, and the nut II 5 is provided with a hexagonal head II 53 for screwing;

the outer conical surface 12 both ends of pin double-screw bolt 1 are external screw thread I11, external screw thread II 13 respectively, outer conical surface 12 and the circular cone hole II 61 of panel II 6 and the circular cone hole I71 laminating of panel I7 compress tightly, external screw thread I11 of pin double-screw bolt 1 and the internal thread I21 threaded connection of nut I2 are fixed, external screw thread II 13 of pin double-screw bolt 1 and the internal thread II 51 threaded connection of nut II 5 are fixed, hole I31 of gasket I3 passes external screw thread I11 of pin double-screw bolt 1, terminal surface I22 of nut I2 compresses tightly pressing surface I72 of panel I7 through gasket I3, hole II 41 of gasket II 4 passes external screw thread II 13 of pin double-screw bolt 1, terminal surface II 52 of nut II 5 compresses tightly pressing surface II 63 of panel II 6 through gasket II 4.

The hexagonal head I23 and the hexagonal head II 53 can be replaced by square heads.

The utility model has the advantages that: the utility model discloses at first through pin double-screw bolt and nut to panel I and II threaded connection of panel fixed, the restrictive mechanical restraint that the laminating of the outer conical surface of utilizing the pin double-screw bolt simultaneously and the circular conical hole of panel I and panel II produced plays the locating pin effect, the utility model discloses can not only bear great axial tension, also can bear great tangential shearing force, the utility model discloses simple structure, convenient to use can be used to have the threaded connection application occasion of location requirement concurrently.

Drawings

FIG. 1 is a schematic diagram of the present invention;

FIG. 2 is a schematic structural view of a stud;

FIG. 3 is a schematic structural diagram of a nut I;

FIG. 4 is a schematic structural diagram of a gasket I;

FIG. 5 is a schematic structural diagram of a gasket II;

FIG. 6 is a schematic structural diagram of a nut II;

FIG. 7 is a schematic structural diagram of a plate II;

FIG. 8 is a schematic structural diagram of a plate I;

the reference numbers in the figures are: 1-pin stud, 2-nut I, 3-gasket I, 4-gasket II, 5-nut II, 6-plate II, 7-plate I, 11-external thread I, 12-external circular conical surface, 13-external thread II, 21-internal thread I, 22-end surface I, 23-hexagonal head I, 31-inner hole I, 41-inner hole II, 51-internal thread II, 52-end surface II, 53-hexagonal head II, 61-conical hole II, 62-connecting surface II, 63-pressing surface II, 71-conical hole I, 72-pressing surface I and 73-connecting surface I.

Detailed Description

Example 1: as shown in fig. 1 to 8, a stud bolt comprises a stud bolt 1, a nut i 2, a gasket i 3, a gasket ii 4 and a nut ii 5, wherein the stud bolt 1 comprises an external thread i 11, an external conical surface 12 and an external thread ii 13, the nut i 2 comprises an internal thread i 21, an end surface i 22 and a hexagon head i 23, the gasket i 3 comprises an inner hole i 31, the gasket ii 4 comprises an inner hole ii 41, and the nut ii 5 comprises an internal thread ii 51, an end surface ii 52 and a hexagon head ii 53;

Further, the hexagonal heads I23 and II 53 can be replaced by square heads.

The utility model discloses a theory of operation does: the connecting surface II 62 of the plate II 6 is attached to the connecting surface I73 of the plate I7, the pin stud 1 is inserted into the taper holes of the plate II 6 and the plate I7, two threaded ends of the pin stud 1 are respectively sleeved into the inner hole I31 of the gasket I3 and the inner hole II 41 of the gasket II 4, and then the two threaded ends are respectively screwed into the nut I2 and the nut II 5; firstly, screwing a nut II 5 to enable an external thread II 13 of the stud bolt 1 and an internal thread II 51 of the nut II 5 to be in threaded connection and fixed, enabling an external conical surface 12 of the stud bolt 1 to be respectively attached to and tightly pressed with a conical hole II 61 of a plate II 6 and a conical hole I71 of a plate I7, and then screwing a nut I2 to further tightly press the plate II 6 and the plate I7. The utility model discloses a threaded connection effect is: the external thread I11 of the stud 1 is fixedly connected with the internal thread I21 of the nut I2 in a threaded manner, the end face I22 of the nut I2 compresses a compression face I72 of a plate I7 through a gasket I3, the external thread II 13 of the stud 1 is fixedly connected with the internal thread II 51 of the nut II 5 in a threaded manner, and the end face II 52 of the nut II 5 compresses a compression face II 63 of a plate II 6 through a gasket II 4, so that the connection face I73 of the plate I7 is attached to and compressed with the connection face II 62 of the plate II 6, and the effect of threaded connection and fixation is achieved; on the other hand, the outer circular conical surface 12 of stud 1 compresses tightly with II 61 of the circular conical hole of panel II 6 and I71 laminating of the circular conical hole of panel I7 respectively behind the nut II 5 of screwing up, plays the effect of locating pin, the utility model discloses can not only bear great axial tension, also can bear great tangential shear force. The utility model discloses convenient to use both can play the fixed effect of threaded connection, also can play the effect of locating pin.

While the present invention has been described in detail with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A stud bolt, characterized by: the novel stud bolt comprises a stud bolt (1), a nut I (2), a gasket I (3), a gasket II (4) and a nut II (5), wherein the stud bolt (1) comprises an external thread I (11), an external conical surface (12) and an external thread II (13), the nut I (2) comprises an internal thread I (21), an end surface I (22) and a hexagonal head I (23), the gasket I (3) comprises an inner hole I (31), the gasket II (4) comprises an inner hole II (41), and the nut II (5) comprises an internal thread II (51), an end surface II (52) and a hexagonal head II (53);

the nut I (2) is provided with a hexagonal head I (23) for tightening, and the nut II (5) is provided with a hexagonal head II (53) for tightening;

the outer circular conical surface (12) both ends of pin double-screw bolt (1) are external screw thread I (11), external screw thread II (13) respectively, outer circular conical surface (12) and the circular conical hole II (61) of panel II (6) and the circular conical hole I (71) laminating of panel I (7) are compressed tightly, external screw thread I (11) and the internal thread I (21) threaded connection of nut I (2) of pin double-screw bolt (1) are fixed, external screw thread II (13) and the internal thread II (51) threaded connection of nut II (5) of pin double-screw bolt (1) are fixed, hole I (31) of gasket I (3) pass external screw thread I (11) of pin double-screw bolt (1), terminal surface I (22) of nut I (2) compress tightly pressing surface I (72) of panel I (7) through gasket I (3), hole II (41) of gasket II (4) pass external screw thread II (13) of pin double-screw bolt (1), terminal surface (52) of nut (5) compress tightly the pressing surface II (6) of panel II (4) through gasket II (4) 63).

2. The stud bolt of claim 1, wherein: the hexagonal head I (23) and the hexagonal head II (53) can be replaced by square heads.