CN214818139U

CN214818139U - Universal double offset ring spanner with extension bar

Info

Publication number: CN214818139U
Application number: CN202022084998.1U
Authority: CN
Inventors: 施玉桃; 岳鹏; 何印; 田平; 左小红
Original assignee: Chengdu Kaidi Precision Technology Co ltd
Current assignee: Chengdu Kaidi Precision Technology Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-11-23
Anticipated expiration: 2030-09-21

Abstract

The utility model relates to a spanner technical field provides a general purpose box spanner from area extension bar, include by two spanner components of a whole that can function independently units to closing and the spanner body that forms, be provided with the liner that can change for different thickness between two spanner components of a whole that can function independently units, every spanner components of a whole that can function independently unit include the semicircle ring clamping part and the symmetry set up in the handle portion of semicircle ring clamping part both sides. The utility model discloses a spanner body is constituteed to two box-like spanner components of a whole that can function independently units, has the liner of different thickness through removable setting between two spanner components of a whole that can function independently units to the centre gripping space size that changes the clamping part makes the spanner can be applicable to the lock nut of different models, makes the spanner practicality improve greatly.

Description

Universal double offset ring spanner with extension bar

Technical Field

The utility model relates to a spanner technical field particularly, relates to a from general purpose box spanner of taking extension bar.

Background

In daily machining, a plurality of small-diameter cutters (below 12 mm) and small-diameter drill bits (below 12 mm) are involved and used for back chipping and corner cleaning, grooving and hole drilling of parts or machining of inner cavities of the parts, the conventional tool holder is not enough in length of the tool holder or cannot provide a matched chuck (such as a cutter below 4 mm) due to the fact that the tool holder is too large in diameter and the part profile and the process head interfere, the conventional tool holder does not have a matched chuck, particularly, in five-axis machining, machining surfaces, grooves and holes meeting design requirements need to be formed by swinging of a machine tool spindle at different angles, so that the interference state of the tool holder and the parts is intensified, and on the basis, the ER straight shank extension rod is widely used in machining, as shown in figures 1 and 2, the ER extension rod is a straight-barrel-shaped shank body, and can be provided with two locking nuts phi 22 and phi 25, the handle body is longer, the outer diameter and other parts of the handle body are precisely ground, unbalance is eliminated, the stability during cutting is improved, the spanner is suitable for clamping small-sized drills and milling cutters, the use of an ER extension rod is greatly reduced, the use of lengthened cutters is reduced, the cost is reduced, and the efficiency is improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a from general purpose box end wrench of taking extension bar to it is not enough to solve prior art.

The embodiment of the utility model discloses a realize through following technical scheme:

the utility model provides a from general purpose box spanner of extension bar, includes the spanner body that is formed by two spanner components of a whole that can function independently units involution, is provided with the liner that can change for different thickness between two spanner components of a whole that can function independently units, every spanner components of a whole that can function independently unit include semicircle ring clamping part and symmetry set up in the handle portion of semicircle ring clamping part both sides.

Furthermore, the inner ring of the semicircular ring clamping part is provided with limiting clamping teeth.

Further, the liner is clamped between the handle parts on the two sides of the two wrench split units.

Furthermore, the handle part and the gasket are correspondingly provided with a plurality of threaded holes, and the handle part and the gasket are fixed through bolts.

The utility model discloses technical scheme has following advantage and beneficial effect at least:

the utility model discloses a spanner body is constituteed to two box-like spanner components of a whole that can function independently units, has the liner of different thickness through removable setting between two spanner components of a whole that can function independently units to the centre gripping space size that changes the clamping part makes the spanner can be applicable to the lock nut of different models, makes the spanner practicality improve greatly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a conventional ER straight shank extension rod with a phi 22 lock nut;

FIG. 2 is a schematic structural view of a conventional ER straight shank extension rod with a phi 25 lock nut;

FIG. 3 is a schematic view of a prior art wrench of a certain specification mated with a locking nut of an ER straight shank extension rod;

fig. 4 is an exploded view of an universal ring spanner with an extension bar according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a universal ring spanner with an extension bar matched with a phi 22 lock nut provided by the embodiment of the present invention;

fig. 6 is a schematic structural view of the universal ring spanner with an extension bar and a phi 25 lock nut provided by the embodiment of the present invention.

Icon: 1-wrench split unit, 101-semicircular ring clamping part, 102-handle part, 2-gasket, 3-threaded hole, 4-bolt, 5-phi 22 locking nut, 6-phi 25 locking nut and 7-limiting latch.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of this application is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific orientation, be constructed in a specific orientation and be operated is not to be construed as limiting the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 4, the embodiment provides a universal ring spanner with an extension bar, which includes a spanner body formed by two spanner split units 1 in a involution manner, and a gasket 2 which can be replaced by different thicknesses is arranged between the two spanner split units 1. Specifically, each wrench split unit 1 comprises a semicircular ring clamping portion 101 and handle portions 102 symmetrically and integrally formed on two sides of the semicircular ring clamping portion 101, two limiting latch teeth 7 are arranged on an inner ring of the semicircular ring clamping portion 101, and the limiting latch teeth 7 are used for being matched with teeth of a locking nut; the liner 2 is clamped between the handle parts 102 on both sides of the two wrench split units 1, meanwhile, a plurality of threaded holes 3 are correspondingly arranged on the handle parts 102 and the liner 2, and the handle parts 102 and the liner 2 are fixed through bolts 4.

Referring to fig. 5 to 6, in the universal ring spanner with the extension bar provided by the embodiment, when the universal ring spanner is used for dismounting the phi 22 locking nut 5, only the two spanner split units are matched with the phi 22 locking nut 5, and then the two spanner split units are locked by the bolt to form the spanner body by the involution threads; when the locking nut 6 with the diameter of 25 is used for dismounting and mounting the locking nut 6, the gasket is added between the handle parts at two sides, and the two wrench split units and the gasket are locked by screw threads by using bolts to form the wrench body.

Therefore, the utility model provides a from general purpose box end wrench of taking extension bar has following advantage:

1. the handle parts are arranged on the two sides of the wrench body, so that the wrench is convenient to use, force is distributed uniformly and is not easy to slip;

2. adopt two box-like spanner components of a whole that can function independently units to constitute the spanner body, through removable setting liner that has different thickness between two spanner components of a whole that can function independently units to change the centre gripping space size of clamping part, make the spanner can be applicable to the lock nut of different models, make the spanner practicality improve greatly.

3. A full-circle clamping part formed by the two semicircular ring clamping parts is matched with the locking nut, so that the gear grinding is not easy to slip.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a from general purpose box end wrench of area extension bar which characterized in that: the spanner comprises a spanner body formed by combining two spanner split units (1), wherein a liner (2) with different thicknesses can be replaced between the two spanner split units (1), and each spanner split unit (1) comprises a semicircular ring clamping part (101) and handle parts (102) symmetrically arranged on two sides of the semicircular ring clamping part (101).

2. The universal ring spanner with extension bar of claim 1, wherein: the inner ring of the semicircular ring clamping part (101) is provided with a limiting latch (7).

3. The universal ring spanner with extension bar of claim 1, wherein: the liner (2) is clamped between the handle parts (102) at the two sides of the two wrench split units (1).

4. The universal ring spanner with extension bar of claim 3, wherein: the handle part (102) and the gasket (2) are correspondingly provided with a plurality of threaded holes (3), and the handle part (102) and the gasket (2) are fixed through bolts (4).