CN201201209Y

CN201201209Y - Spanner

Info

Publication number: CN201201209Y
Application number: CNU2008200578628U
Authority: CN
Inventors: 周敬淼
Original assignee: SHANGHAI PINYU MACHINE CO Ltd
Current assignee: SHANGHAI PINYU MACHINE CO Ltd
Priority date: 2008-04-29
Filing date: 2008-04-29
Publication date: 2009-03-04
Anticipated expiration: 2018-04-29

Abstract

The utility model discloses a wrench, which relates to a hand tool in the mechanical field. The wrench comprises a handle and a first wrench and a second wrench which are positioned on both ends of the handle, wherein the handle comprises a first holding part which is connected with the second wrench and a second holding part which is connected with the first wrench; the first holding part and the second holding part are flat and comprise two opposite wide surfaces and two opposite narrow surfaces respectively; and the extending directions of the wide surfaces of the first holding part and the second holding part are perpendicular to working planes of the first wrench and the second wrench respectively. Compared with the prior art, the wrench effectively increases the contact area of the hand and the handle, reduces the stress of the unit area on the hand, and reduces the damage on the hand and the wrist joint of a worker through improvement of the structure of the handle of the wrench.

Description

Spanner

Technical field

The utility model relates to a kind of hand-operated tools of mechanical field, specifically, relates to the spanner that a kind of structural improvement is crossed.

Background technology

Along with science and technology development, the practicality of various hand-operated tools, convenience become extremely important.Spanner is all the more so as the common tool of mechanical industry.The spanner that existing spanner generally comprises handle and is positioned at handle one end or two ends.Handle is generally flat cuboid, and wide the working face with spanner is parallel.When adopting existing spanner to work, staff's hand is to contact with the leptoprosopy of handle.Because the cross section is elongated plane, contact area is less, and the pressure that staff's unit are on hand is subjected to is just big, uses such handle all can produce harmful effect to staff's hand and wrist joint for a long time.

The utility model content

The technical problem that the utility model solves provides a kind of spanner, and it is easy to use and can reduce harmful effect to staff's health.

For solving the problems of the technologies described above, the utility model provides a kind of new spanner.First spanner and second spanner that this spanner comprises handle and is positioned at the handle two ends, handle comprise first grip part that is connected with second spanner and second grip part that is connected with first spanner; First grip part and second grip part are flat, relative two wide and two leptoprosopy comprising respectively, and the direction of wide extension of first grip part and second grip part working face with first spanner, second spanner is vertical respectively.

Compared with prior art, the utility model has effectively increased the contact area of hand and handle by the structure of improvement pinch bar, has reduced the stressed of hand unit are, has reduced staff's hand and carpal infringement.

Description of drawings

Fig. 1 is the schematic perspective view of the utility model embodiment handle.

The specific embodiment

By the utility model one embodiment being described, can further understand the purpose of this utility model, specific structural features and advantage below in conjunction with accompanying drawing.

See also Fig. 1, the utility model provides a kind of spanner 1.First spanner 11 and second spanner 12 that this spanner 1 comprises handle 10 and is connected handle 1 two ends.Rotate on the xy plane during 11 work of first spanner, rotate on the xz plane during 12 work of second spanner, in other words, the working face of first and

second spanner

11,12 is orthogonal.

Described handle 10 is made by forging, has four roughly the same isosceles trapezoid surfaces, forms all flat tetrahedron in two ends.See that on the whole this handle 10 can be divided equally from middle (dotted line position of Fig. 1) and is first grip part 102 that is connected with second spanner 12 and second grip part 101 that is connected with first spanner 11.First grip part 102 revolves that turn 90 degrees just can be identical with second grip part 101.Wide 111 of first grip part 102 is extended vertical with the working face of first spanner 11 along the xz plane; Wide 112 of second grip part 101 is extended vertical with the working face of second spanner 12 along the xy plane.Further, near with first and

second spanner

11,12 junctions, the width that described two grip parts are 101,102 wide is at least greater than 5 times of corresponding position leptoprosopy.

When using first spanner 11, it is stress surface with wide 111 face that contacts that the staff holds first grip part 102; When using second spanner 12, it is stress surface with wide 112 face that contacts that the staff holds second grip part 101.Compare prior art, use spanner of the present utility model, increased the contact area of handle and staff's hand greatly, effectively reduced hand and the carpal injury of spanner the staff.

The handle arrangement of the utility model spanner is simple, satisfied guarantee spanner service life with the bonding strength of spanner in, reduced infringement to staff's health, have usability widely.

Foregoing description only is the description to the utility model preferred embodiment; it is not any qualification to the utility model scope; any change, modification that the those of ordinary skill in the utility model field is done according to above-mentioned disclosure all belong to the protection domain of claims.

Claims

1. spanner, first spanner and second spanner that it comprises handle and is positioned at the handle two ends is characterized in that, handle comprises first grip part that is connected with second spanner and second grip part that is connected with first spanner; First grip part and second grip part are flat, comprise relative two wide and two leptoprosopy respectively, and the direction of wide extension of first grip part and second grip part working face with first spanner, second spanner is vertical respectively.

2. spanner as claimed in claim 1 is characterized in that, first grip part is identical with second grip part after revolving and turning 90 degrees.

3. spanner as claimed in claim 1 is characterized in that, the working face of first spanner and second spanner is vertical mutually.

4. spanner as claimed in claim 1 is characterized in that, wide Breadth Maximum of first grip part and second grip part is greater than 5 times of same position place leptoprosopy minimum widith.

5. spanner as claimed in claim 1 is characterized in that, first grip part and second grip part are that the surface is the tetrahedron of isosceles trapezoid.