CN214818141U - Spanner - Google Patents

Abstract

An embodiment of the utility model provides a spanner relates to the spanner field. Aiming at expanding the application range of the existing wrench. It comprises at least one first connecting cylinder; a first threaded part and a second threaded part are respectively arranged at two ends of the first connecting cylinder; at least two sections of handles; at least two sections of handles are sequentially arranged along the axial direction of one handle; a third thread part and a fourth thread part are respectively arranged at two adjacent ends of two adjacent sections of handles, the third thread part is in threaded connection with the first thread part, and the fourth thread part is in threaded connection with the second thread part; and the wrench head is connected with the end part of one handle positioned at the outermost end. On the basis of original spanner commonly used, change the handle of spanner, set up two section at least handles, the screw of twisting as required selects the handle of different quantity to make up, prolongs the whole length of handle, reaches laborsaving effect, when not using, the detachable of handle gets off portable.

Description

Spanner

Technical Field

The utility model relates to a spanner field particularly, relates to a spanner.

Background

The existing common spanners include a dual-purpose spanner, a double-plum spanner, a double-head spanner and the like. The length forms of the handles of the common wrenches are fixed, and the handles are short, long and different in length. The spanner with the short handle is convenient to carry but is difficult to screw, and the spanner with the long handle is labor-saving but is inconvenient to carry.

SUMMERY OF THE UTILITY MODEL

The objects of the present invention include, for example, providing a wrench that can expand the range of applicability of existing wrenches.

The embodiment of the utility model discloses a can realize like this:

an embodiment of the utility model provides a wrench, include:

at least one first connecting cylinder; a first threaded part and a second threaded part are respectively arranged at two ends of each first connecting cylinder;

at least two sections of handles; the at least two sections of handles are sequentially arranged along the axial direction of one of the handles; a third thread part and a fourth thread part are respectively arranged at two adjacent ends of two adjacent sections of the handles, the third thread part is in threaded connection with the first thread part, and the fourth thread part is in threaded connection with the second thread part;

and the wrench head is connected with the end part of one of the handles positioned at the outermost end.

In addition, the embodiment of the present invention provides a wrench which can also have the following additional technical features:

optionally, the threads on the first thread portion and the second thread portion are both internal threads, and the threads on the third thread portion and the fourth thread portion are both external threads.

Optionally, the at least two sections of handles are both in a shape of a round bar, and the diameters of the at least two sections of handles are equal.

Optionally, the inner diameter of the first connecting cylinder is greater than or equal to the diameter of the handle.

Optionally, the length of the first connecting cylinder is greater than or equal to the sum of the lengths of the third threaded portion and the fourth threaded portion, so that both the third threaded portion and the fourth threaded portion are accommodated in the first connecting cylinder.

Optionally, the wrench further comprises a second connecting cylinder, and a fifth threaded portion and a sixth threaded portion are respectively arranged at two ends of the second connecting cylinder;

a seventh thread part is arranged on the side part of the wrench head, and an eighth thread part is arranged at one end of the handle connected with the wrench head; the seventh thread part is in threaded connection with the fifth thread part, and the eighth thread part is in threaded connection with the sixth thread part.

Optionally, the threads on the fifth thread portion and the sixth thread portion are both internal threads, and the threads on the seventh thread portion and the eighth thread portion are both external threads.

Optionally, the second connector barrel has an inner diameter equal to the inner diameter of the first connector barrel.

Optionally, the length of the second connecting cylinder is greater than or equal to the sum of the lengths of the seventh threaded portion and the eighth threaded portion, so that both the seventh threaded portion and the eighth threaded portion are accommodated in the second connecting cylinder.

Optionally, the number of the wrench heads is multiple, the specifications of the wrench heads are different, and the seventh threaded portion is respectively disposed on a side portion of each wrench head.

The utility model discloses beneficial effect of spanner includes, for example:

the spanner includes two section at least handles, during the in-service use, can select how many sections handles according to the demand of twisting moving, then through first connecting cylinder threaded connection between the handle to the whole length of extension handle reaches and twists moving more laborsaving effect. After the handle is used, the multi-section handle and the first connecting cylinder can be detached, so that the size is reduced, and the carrying is convenient.

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 an exploded view of a wrench according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a wrench according to an embodiment of the present invention.

Icon: 10-a wrench; 100-a first connecting cylinder; 110-a second connector barrel; 200-a handle; 210-a first handle; 220-a second handle; 230-a third handle; 300-wrench head; 310-seventh threaded portion.

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 "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.

Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

The wrench 10 provided in the present embodiment will be described in detail with reference to fig. 1 to 2.

Referring to fig. 1, an embodiment of the present invention provides a wrench 10, including: at least one first connecting cylinder 100; a first thread part and a second thread part are respectively arranged at two ends of the first connecting cylinder 100; at least two sections of handles 200; at least two sections of handles 200 are sequentially arranged along the axial direction of one handle 200; a third thread part and a fourth thread part are respectively arranged at two adjacent ends of two adjacent sections of handles 200, the third thread part is in threaded connection with the first thread part, and the fourth thread part is in threaded connection with the second thread part; a wrench head 300, the wrench head 300 being connected to an end of one of the handles 200 located at the outermost end.

In the "at least two handles 200 are arranged in sequence along the axial direction of the handle 200", the "axial direction of the handle 200" may be the axial direction of any one handle 200, and the axial direction of one handle 200 is selected as the arrangement direction of the at least two handles 200. The wrench 10 comprises at least two sections of handles 200, and two sections of handles 200, three sections of handles 200, four sections of handles 200 or five sections of handles 200 can be selected according to the screwing requirement, so that the labor-saving effect is achieved.

With reference to fig. 1, the relative positions in fig. 1 are used for description, in this embodiment, the number of the handles 200 is three, the three-segment handles 200 are respectively a first handle 210, a second handle 220 and a third handle 230 which are sequentially arranged from left to right, and the first handle 210, the second handle 220 and the third handle 230 are sequentially arranged along the axial direction of the first handle 210, that is, sequentially arranged along the direction indicated by the arrow a in fig. 1.

With continued reference to FIG. 1, there are two "outermost handles 200", a first handle 210 and a third handle 230, respectively, with a wrench head 300 attached to the end of one of the handles 200. In this embodiment, the wrench head 300 is connected to the left end of the first handle 210.

Referring to fig. 2, the left end of the first handle 210 is connected to the wrench head 300, the right end of the first handle 210 is threadedly connected to the left end of the second handle 220 through one first connecting cylinder 100, and the right end of the second handle 220 is threadedly connected to the left end of the third handle 230 through another first connecting cylinder 100, which is described in the relative position of fig. 2.

During the in-service use, if meet the screw that is difficult to twist, can increase the quantity of handle 200, through first connecting cylinder 100 threaded connection, the whole length of extension handle 200 reaches laborsaving effect. After use, the multi-section handle 200 and the first connecting cylinder 100 can be detached one by one for carrying.

Wherein, the third thread part is in threaded connection with the first thread part, and the fourth thread part is in threaded connection with the second thread part, when the third thread part and the fourth thread part are arranged as internal threads, the first thread part and the second thread part are arranged as external threads; when the third thread part and the fourth thread part are arranged to be external threads, the first thread part and the second thread part are arranged to be internal threads. To effect a threaded connection of the handle 200 to the first connecting cylinder 100.

With continued reference to fig. 2, in the present embodiment, the threads on the first thread portion and the second thread portion are both internal threads, and the threads on the third thread portion and the fourth thread portion are both external threads.

Specifically, the first connecting cylinder 100 is provided with a first channel, and two ends of the first channel are respectively provided with an internal thread; two adjacent ends of two adjacent sections of handles 200 are respectively provided with external threads to form a third threaded part and a fourth threaded part. The external threads of the two ends of the adjacent two sections of handles 200 respectively extend into the two ends of the first connecting cylinder 100 to be respectively in threaded connection with the internal threads. In other embodiments, the first passage is internally threaded throughout.

In this embodiment, the length of the first connecting cylinder 100 is greater than or equal to the sum of the lengths of the third threaded portion and the fourth threaded portion, so that both the third threaded portion and the fourth threaded portion are accommodated in the first connecting cylinder 100.

Specifically, the length of the internal thread in the first connecting cylinder 100 is equal to or greater than the sum of the lengths of the third and fourth threaded portions.

The first connecting cylinder 100 is not only used for realizing connection with the third threaded portion and the fourth threaded portion, but also used for protecting the third threaded portion and the fourth threaded portion, so that foreign objects are prevented from entering the third threaded portion and the fourth threaded portion, and the detachment, installation and service life of the first connecting cylinder 100 and the handle 200 are affected.

Referring to fig. 2, in the present embodiment, at least two sections of the handle 200 are all in a round bar shape, and the diameters of the at least two sections of the handle 200 are all equal. Is convenient for processing and operation.

In this embodiment, the inner diameter of the first connecting cylinder 100 is greater than or equal to the diameter of the handle 200.

Specifically, the outer diameter of the third screw portion is equal to the outer diameter of the fourth screw portion, the diameter of the portion of the handle 200 where the screw is provided is close to the diameter of the portion of the handle 200 where the screw is not provided, and the original strength of the handle 200 can be maintained, and the first connecting cylinder 100 not only has a function of connecting the handle 200, but also has a function of reinforcing the overall strength of the handle 200.

Referring to fig. 1 again, the wrench 10 further includes a second connecting cylinder 110, and both ends of the second connecting cylinder 110 are respectively provided with a fifth threaded portion and a sixth threaded portion; a seventh thread part 310 is provided at a side of the wrench head 300, and an eighth thread part is provided at one end of the handle 200 connected to the wrench head 300; the seventh screw part 310 is screw-coupled to the fifth screw part, and the eighth screw part is screw-coupled to the sixth screw part. The wrench head 300 is threadedly coupled to the handle 200 to facilitate replacement of a different wrench head 300.

The "end of the handle 200 connected to the wrench head 300" means the "end of one of the handles 200 located at the outermost end" mentioned above. Similarly, in the present embodiment, the "end of the handle 200 connected to the wrench head 300" refers to the left end of the first handle 210.

Similarly, when the fifth and sixth thread parts are provided as external threads, the seventh and eighth thread parts 310 are provided as internal threads; when the fifth and sixth screw portions are provided as internal screws, the seventh and eighth screw portions 310 are provided as external screws. To effect threaded connection of the second connector barrel 110 with the wrench 10 and the handle 200.

In this embodiment, the threads of the fifth thread portion and the sixth thread portion are both internal threads, and the threads of the seventh thread portion 310 and the eighth thread portion are both external threads.

Specifically, the second connecting cylinder 110 is provided with a second passage, both ends of which are provided with internal threads, respectively, a side of the wrench head 300 is provided with external threads, and one end of the handle 200 connected with the wrench head 300 is provided with external threads, respectively forming a seventh thread part 310 and an eighth thread part. The seventh screw part 310 and the eighth screw part respectively extend from both ends of the second connecting cylinder 110 to be respectively connected with the internal threads. In other embodiments, the second channel is internally threaded throughout.

In this embodiment, the length of the second connecting cylinder 110 is greater than or equal to the sum of the lengths of the seventh thread portion 310 and the eighth thread portion, so that both the seventh thread portion 310 and the eighth thread portion are accommodated in the second connecting cylinder 110.

The second connecting cylinder 110 is not only used for connecting the seventh thread portion 310 and the eighth thread portion, but also used for protecting the seventh thread portion 310 and the eighth thread portion, so as to prevent foreign objects from entering the seventh thread portion 310 and the eighth thread portion, and thus, the detachment, installation and use time of the second connecting cylinder 110, the wrench head 300 and the handle 200 is not affected.

In this embodiment, the second connector barrel 110 has an inner diameter equal to that of the first connector barrel 100. That is, the first connecting cylinder 100 has the same specification as the second connecting cylinder 110.

The outer diameter of the seventh thread portion 310 is equal to the outer diameter of the eighth thread portion, and the outer diameter of the eighth thread portion is equal to the outer diameter of the third thread portion, so that the inner diameter of the second connecting cylinder 110 is equal to the inner diameter of the first connecting cylinder 100, and the processing is facilitated.

Meanwhile, the length of the first connecting cylinder 100 is equal to that of the second connecting cylinder 110, so that the first connecting cylinder 100 and the second connecting cylinder 110 can be used in common, and can be used for realizing connection between the handles 200 and connection between the wrench head 300 and the handles 200.

In this embodiment, the number of the wrench heads 300 is plural, the specifications of the plurality of wrench heads 300 are different, and the seventh thread part 310 is provided on the side of each wrench head 300.

The phrase "the plurality of wrench heads 300 have different specifications" means that the wrench heads 300 are different in type, and may be, for example, a box wrench head 300 or an open wrench head 300; it may also refer to different sizes, for example, different sizes of the box wrench head 300, different sizes of the open wrench head 300.

The wrench heads 300 with different specifications are provided with the seventh thread portions 310, the seventh thread portions 310 can be in threaded connection with the second connecting cylinder 110, connection between different wrench heads 300 and the handle 200 can be achieved, and replacement of different wrench heads 300 is achieved.

The present embodiment provides a wrench 10 having at least the following advantages: the wrench 10 comprises at least two sections of handles 200, and during actual use, the number of the sections of the handles 200 can be selected according to screwing requirements, and then the handles 200 are in threaded connection through the first connecting cylinder 100, so that the overall length of the handles 200 is prolonged, and the effect of more labor saving in screwing is achieved. After the use, the multi-section handle 200 and the first connecting cylinder 100 can be detached, so that the volume is reduced, and the carrying is convenient.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A wrench (10), comprising:

at least one first connecting cylinder (100); a first threaded part and a second threaded part are respectively arranged at two ends of the first connecting cylinder (100);

at least two sections of handles (200); the at least two sections of handles (200) are sequentially arranged along the axial direction of one handle (200); a third thread part and a fourth thread part are respectively arranged at two adjacent ends of two adjacent sections of the handles (200), the third thread part is in threaded connection with the first thread part, and the fourth thread part is in threaded connection with the second thread part;

a wrench head (300), the wrench head (300) being connected to an end of one of the handles (200) located at an outermost end.

2. The wrench (10) of claim 1, wherein:

the threads on the first thread portion and the second thread portion are both internal threads, and the threads on the third thread portion and the fourth thread portion are both external threads.

3. The wrench (10) according to claim 2, wherein:

the at least two sections of handles (200) are all round rod-shaped, and the diameters of the at least two sections of handles (200) are equal.

4. The wrench (10) according to claim 3, wherein:

the inner diameter of the first connecting cylinder (100) is larger than or equal to the diameter of the handle (200).

5. The wrench (10) according to claim 2, wherein:

the length of the first connecting cylinder (100) is greater than or equal to the sum of the lengths of the third threaded part and the fourth threaded part, so that the third threaded part and the fourth threaded part are accommodated in the first connecting cylinder (100).

6. The wrench (10) according to any one of claims 1-5, wherein:

the wrench (10) further comprises a second connecting cylinder (110), and a fifth threaded part and a sixth threaded part are respectively arranged at two ends of the second connecting cylinder (110);

a seventh thread part (310) is arranged on the side part of the wrench head (300), and an eighth thread part is arranged at one end of the handle (200) connected with the wrench head (300); the seventh thread part (310) is threadedly coupled to the fifth thread part, and the eighth thread part is threadedly coupled to the sixth thread part.

7. The wrench (10) according to claim 6, wherein:

the threads of the fifth thread part and the sixth thread part are both internal threads, and the threads of the seventh thread part (310) and the eighth thread part are both external threads.

8. The wrench (10) according to claim 7, wherein:

the second connecting cylinder (110) has an inner diameter equal to that of the first connecting cylinder (100).

9. The wrench (10) according to claim 8, wherein:

the length of the second connecting cylinder (110) is greater than or equal to the sum of the lengths of the seventh threaded part (310) and the eighth threaded part, so that the seventh threaded part (310) and the eighth threaded part are both accommodated in the second connecting cylinder (110).

10. The wrench (10) according to claim 6, wherein:

the wrench head (300) is provided with a plurality of specifications, the specifications of the wrench heads (300) are different, and the seventh thread part (310) is arranged on the side part of each wrench head (300).

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