CN211541011U

CN211541011U - Spanner extension stress application pole

Info

Publication number: CN211541011U
Application number: CN201922158190.0U
Authority: CN
Inventors: 郑祥
Original assignee: Chaohu University
Current assignee: Chaohu University
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-09-22
Anticipated expiration: 2029-12-05

Abstract

The utility model belongs to the technical field of wrenches, in particular to a wrench extension force-adding rod, which comprises a cushion block, a front sleeve, an adjusting screw, a middle sleeve and a rear sleeve, wherein one end of the middle sleeve is provided with the front sleeve which is in threaded connection, the other end of the middle sleeve is provided with the rear sleeve which is in threaded connection, the end part of the outer side of the front sleeve is provided with the cushion block which is fixedly connected, the end part of the cushion block is provided with a U-shaped groove, the front sleeve is provided with a plurality of threaded holes with the same size, the front sleeve is provided with two adjusting screws which are matched with the threaded holes, the adjusting screw is provided with a positioning hole with a polygonal section, the positioning hole is internally provided with a matching and sliding connection positioning rod, the positioning rod is provided with a handle block, and the length of the force-adding rod can be adjusted according to, the telescopic design, portable, compact structure.

Description

Spanner extension stress application pole

Technical Field

The utility model belongs to the technical field of the spanner, concretely relates to spanner extension power application pole.

Background

The wrench is a common mounting and dismounting tool, and is a manual tool for screwing bolts, screws, nuts and other screw threads to tightly hold open or trepanning fasteners of the bolts or nuts by utilizing the lever principle.

The size of the wrench is fixed, and when the wrench is used, the wrench is often too firm to be opened only through the wrench, so that the wrench can be opened only by adding a force application rod on the wrench.

SUMMERY OF THE UTILITY MODEL

The prior art is difficult to satisfy people's needs, in order to solve the above-mentioned problem that exists, the utility model provides a spanner extension application of force pole.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a spanner extension application of force pole which characterized in that: including cushion, preceding sleeve, adjusting screw, middle sleeve and back sleeve, middle sleeve one end is equipped with threaded connection's preceding sleeve, and the middle sleeve other end is equipped with threaded connection's back sleeve, the tip in the preceding sleeve outside is equipped with fixed connection's cushion, the cushion tip is equipped with the U-shaped groove, is equipped with a plurality of screw holes that the size is the same on the preceding sleeve, and is equipped with a plurality of and screw hole assorted adjusting screw on the preceding sleeve, the last section that is equipped with of adjusting screw is polygonized locating hole, be equipped with phase-match and sliding connection's locating lever in the locating hole, be equipped with the handle piece on the locating lever.

Preferably, the front sleeve and the middle sleeve are connected through left-hand threads, and the rear sleeve and the middle sleeve are connected through right-hand threads.

Preferably, the diameters of the front sleeve and the rear sleeve are the same, and the diameter of the middle sleeve is larger than that of the rear sleeve.

Preferably, the distance between the threaded holes corresponds to the distance between different wrench models.

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

the length of the stress application rod can be adjusted among the front sleeve, the middle sleeve and the rear sleeve according to the working requirement in a spiral connection mode, so that the stress application rod is convenient and quick to use, convenient to carry and compact in structure due to the telescopic design;

the design of the U-shaped groove can insert the tail of the wrench when in use, so that the length of the wrench can be directly increased on the length of the original wrench, and the wrench is more convenient and quick to use;

the design of screw hole and adjusting screw, the during operation is according to the spanner size of different model specifications, through adjusting screw's position, takes out the locating lever, can fix the spanner, uses convenience more.

Drawings

Fig. 1 is a schematic view of a front view structure provided by the present invention;

fig. 2 is a schematic view of the internal structure of the front sleeve provided by the present invention;

the reference numbers in the figures illustrate: 1. cushion blocks; 11. a U-shaped groove; 2. a front sleeve; 21. a threaded hole; 3. an adjusting screw; 31. a handle block; 32. positioning a rod; 33. positioning holes; 4. an intermediate sleeve; 5. a rear sleeve.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

It should be noted that, in the present invention, when an element is referred to as being "fixed" to another element, it may be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to fig. 1-2, a wrench extension force applying rod comprises a cushion block 1, a front sleeve 2, an adjusting screw 3, a middle sleeve 4 and a rear sleeve 5, wherein the front sleeve 2 is in threaded connection with one end of the middle sleeve 4, the rear sleeve 5 is in threaded connection with the other end of the middle sleeve 4, the cushion block 1 is fixedly connected with the end portion of the outer side of the front sleeve 2, a U-shaped groove 11 is formed in the end portion of the cushion block 1, a plurality of threaded holes 21 with the same size are formed in the front sleeve 2, a plurality of adjusting screws 3 matched with the threaded holes 21 are arranged on the front sleeve 2, a positioning hole 33 with a polygonal cross section is formed in each adjusting screw 3, a positioning rod 32 which is matched with and in sliding connection is arranged in each positioning hole 33, and a handle block 31 is arranged on each.

Furthermore, the front sleeve 2 and the middle sleeve 4 are connected through left-hand threads, and the rear sleeve 5 and the middle sleeve 4 are connected through right-hand threads.

Further, the diameter of the front sleeve 2 is the same as that of the rear sleeve 5, and the diameter of the middle sleeve 4 is larger than that of the rear sleeve 5.

Further, the distance between the threaded holes 21 corresponds to the distance between different wrench models.

The design of screw hole 21 distance makes this device when using, can make the distance between the locating lever 32 just equal to the distance of the spanner that needs through adjusting screw 3 in the position of different screw holes 21, can turn into the spanner of an adjustable size with this device fast, and more practicality uses more convenient and fast.

Further, the number of the adjusting screws 3 is two.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a spanner extension application of force pole which characterized in that: including cushion, preceding sleeve, adjusting screw, middle sleeve and back sleeve, middle sleeve one end is equipped with threaded connection's preceding sleeve, and the middle sleeve other end is equipped with threaded connection's back sleeve, the tip in the preceding sleeve outside is equipped with fixed connection's cushion, the cushion tip is equipped with the U-shaped groove, is equipped with a plurality of screw holes that the size is the same on the preceding sleeve, and is equipped with a plurality of and screw hole assorted adjusting screw on the preceding sleeve, the last section that is equipped with of adjusting screw is polygonized locating hole, be equipped with phase-match and sliding connection's locating lever in the locating hole, be equipped with the handle piece on the locating lever.

2. The wrench extension lever of claim 1, wherein: the front sleeve and the middle sleeve are connected through left-handed threads, and the rear sleeve and the middle sleeve are connected through right-handed threads.

3. The wrench extension lever of claim 1, wherein: the diameter of the front sleeve is the same as that of the rear sleeve, and the diameter of the middle sleeve is larger than that of the rear sleeve.

4. The wrench extension lever of claim 1, wherein: the distance between the threaded holes corresponds to the distance between different wrench models.

5. The wrench extension lever of claim 1, wherein: the number of the adjusting screws is two.