CN219562875U - Bolt and nut fastening and positioning device - Google Patents

Abstract

A bolt and nut fastening and positioning device comprises a first workpiece, a second workpiece, a bolt, a nut, a universal ball joint hexagonal wrench assembly and a sealing ring; one side of the first workpiece is abutted against one side of the second workpiece; the universal ball knot hexagonal wrench assembly is arranged on the other side of the second workpiece; the sealing ring is sleeved on the universal ball knot hexagonal wrench assembly; one end of the bolt sequentially penetrates through the first workpiece, the second workpiece and the nut to be connected to the universal ball knot hexagonal wrench assembly; be equipped with the hexagonal spacing groove on the universal ball knot hexagonal spanner subassembly, the nut is connected on the hexagonal spacing groove, and the workman rotates the universal ball knot hexagonal spanner subassembly and can drive the nut and rotate, and then rises the nut along the bolt until fastening installation is accomplished, and positioner that sealing washer and universal ball knot hexagonal spanner subassembly are constituteed can be slightly universal rocks, realizes that the central line of nut and bolt is automatic to be aligned, and very big make things convenient for the workman to fix in the limited place in space, convenient and fast.

Description

Bolt and nut fastening and positioning device

Technical Field

The utility model belongs to the technical field of tooling assembly, and particularly relates to a bolt and nut fastening and positioning device.

Background

In actual production, many workpieces are fastened and connected by bolts and nuts, and two-hand operation is basically required for operators. Some of the positions are inaccessible to hands or difficult to operate, and the device simulates the process that the hands of a person hold the nuts for fastening and assembling.

Disclosure of Invention

In view of the above, the present utility model aims to provide a bolt-nut fastening and positioning device, which solves the problems existing in the prior art, and in actual production, a large number of workpieces are fastened and connected by bolts and nuts, and two hands of an operator are basically required. Some of the positions are not accessible to hands or are difficult to operate.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

a bolt and nut fastening and positioning device comprises a first workpiece, a second workpiece, a bolt, a nut, a universal ball joint hexagonal wrench assembly and a sealing ring;

one side of the first workpiece is abutted against one side of the second workpiece;

the universal ball knot hexagonal wrench assembly is arranged on the other side of the second workpiece;

the sealing ring is sleeved on the universal ball knot hexagonal wrench assembly;

one end of the bolt sequentially penetrates through the first workpiece, the second workpiece and the nut to be connected to the universal ball knot hexagonal wrench assembly;

the universal ball knot hexagonal wrench assembly is provided with a hexagonal limiting groove, and the nut is connected to the hexagonal limiting groove.

Further, the universal ball joint hexagonal wrench assembly comprises a universal ball component and a mounting cylinder, wherein the universal ball component is connected in the mounting cylinder;

the universal ball component is provided with a universal ball, and the mounting cylinder is provided with a groove matched with the universal ball;

the hexagonal limiting groove is arranged on the universal ball component.

Further, the sealing ring is arranged as an O-shaped rubber sealing ring.

Further, the bolt is sleeved with a flat spring gasket.

Compared with the prior art, the bolt and nut fastening and positioning device has the following advantages:

(1) The worker can rotate the universal ball-joint hexagonal wrench assembly to drive the nut to rotate, so that the nut can be lifted along the bolt until fastening and installation are completed, the positioning device formed by the sealing ring and the universal ball-joint hexagonal wrench assembly can shake slightly and universally, the central lines of the nut and the bolt can be automatically aligned, the worker is prevented from needing the other hand to adjust, and the nut is greatly convenient for the worker to fix in places with limited space, and is convenient and quick.

(2) According to the universal ball component, the universal ball can rotate in the groove on the mounting cylinder in a universal mode, the nut can be mounted in the hexagonal limiting groove on the universal ball component, and the nut can rotate along with the universal ball joint hexagonal wrench component conveniently.

(3) The O-shaped rubber sealing ring is sleeved at the joint of the universal ball component and the mounting cylinder, so that the sealing effect and the damping effect are achieved.

(4) The flat spring gasket protects parts and components, and can prevent the nut from loosening and reduce vibration transmission.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of a bolt-and-nut tightening and positioning device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a structure of a ball segment according to an embodiment of the present utility model;

fig. 3 is a schematic structural view of a mounting cylinder according to an embodiment of the present utility model.

Reference numerals illustrate:

100-a first workpiece; 200-a second workpiece;

300-bolts; 301-flat spring gaskets;

400-nut; 500-universal ball knot hexagonal wrench assembly;

501-hexagonal limit grooves; 502-a universal ball component;

503-mounting a barrel; 504-a universal ball;

505-groove; 600-sealing ring.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

As shown in fig. 1 to 3, the bolt-nut fastening and positioning device provided by the utility model comprises a first workpiece 100, a second workpiece 200, a bolt 300, a nut 400, a universal ball joint hexagonal wrench assembly 500 and a sealing ring 600;

one side of the first workpiece 100 abuts on one side of the second workpiece 200;

the universal ball joint hexagonal wrench assembly 500 is disposed on the other side of the second workpiece 200;

the sealing ring 600 is sleeved on the universal ball knot hexagonal wrench assembly 500;

one end of the bolt 300 sequentially passes through the first work piece 100, the second work piece 200 and the nut 400 to be connected to the universal ball joint hexagonal wrench assembly 500;

the hexagonal limiting groove 501 is arranged on the universal ball knot hexagonal wrench assembly 500, and the nut 400 is connected to the hexagonal limiting groove 501.

In one embodiment of the present utility model, as shown in fig. 1, 2 and 3, a worker places two workpieces at a proper position, a sealing ring 600 is sleeved on a universal ball joint hexagonal wrench assembly 500, a nut 400 is placed on the universal ball joint hexagonal wrench assembly 500, a bolt 300 passes through the two workpieces and enters the nut 400, the worker rotates the universal ball joint hexagonal wrench assembly 500 to drive the nut 400 to rotate, and then the nut 400 is lifted along the bolt 300 until fastening installation is completed, and a positioning device formed by the sealing ring 600 and the universal ball joint hexagonal wrench assembly 500 can shake slightly and universally, so that automatic alignment of center lines of the nut 400 and the bolt 300 is realized, the condition that the worker needs another hand to adjust is avoided, and the worker can fix the nut in a place with limited space conveniently and rapidly.

More preferably, the universal ball joint hexagonal wrench assembly 500 includes a universal ball member 502 and a mounting cylinder 503, the universal ball member being coupled within the mounting cylinder 503;

the universal ball component 502 is provided with a universal ball 504, and the mounting cylinder 503 is provided with a groove 505 matched with the universal ball 504;

the hexagonal limiting groove 501 is provided on the universal ball member 502.

In one embodiment of the present utility model, as shown in fig. 2 and 3, the ball 504 on the ball member 502 can rotate in the groove 505 on the mounting cylinder 503, and the hexagonal limiting groove 501 on the ball member 502 can mount the nut 400 therein, and also facilitate the rotation of the nut 400 along with the ball joint hexagonal wrench assembly 500.

More preferably, the sealing ring 600 is provided as an O-ring rubber sealing ring.

In one embodiment of the present utility model, as shown in fig. 2 and 3, an O-ring is sleeved on the joint between the universal ball component 502 and the mounting cylinder 503, so as to perform a sealing function and a damping function.

More preferably, the bolt 300 is sleeved with a flat spring washer 301.

In one embodiment of the present utility model, as shown in fig. 2 and 3, the flat spring washer 301 protects the components and also prevents the nut from loosening and reduces vibration transmission.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (4)

1. A bolt and nut fastening and positioning device is characterized in that: the universal ball joint hexagonal wrench comprises a first workpiece (100), a second workpiece (200), a bolt (300), a nut (400), a universal ball joint hexagonal wrench assembly (500) and a sealing ring (600);

one side of the first workpiece (100) is abutted against one side of the second workpiece (200);

the universal ball joint hexagonal wrench assembly (500) is arranged on the other side of the second workpiece (200);

the sealing ring (600) is sleeved on the universal ball joint hexagonal wrench assembly (500);

one end of the bolt (300) sequentially penetrates through the first workpiece (100), the second workpiece (200) and the nut (400) to be connected to the universal ball joint hexagonal wrench assembly (500);

the universal ball knot hexagonal wrench assembly (500) is provided with a hexagonal limiting groove (501), and the nut (400) is connected to the hexagonal limiting groove (501).

2. The bolt-and-nut tightening and positioning device according to claim 1, wherein: the universal ball joint hexagonal wrench assembly (500) comprises a universal ball component (502) and a mounting cylinder (503), wherein the universal ball component (502) is connected in the mounting cylinder (503);

the universal ball component (502) is provided with a universal ball (504), and the mounting cylinder (503) is provided with a groove (505) matched with the universal ball (504);

the hexagonal limiting groove (501) is formed in the universal ball component (502).

3. The bolt-and-nut tightening and positioning device according to claim 2, wherein: the sealing ring (600) is an O-shaped rubber sealing ring.

4. A bolt-and-nut tightening and positioning device according to claim 3, characterized in that: and the bolt (300) is sleeved with a flat elastic gasket (301).