CN2073350U - Adjustable wrench - Google Patents

Abstract

The utility model discloses a special adjustable wrench, which is composed of a rack type adjustable wrench and a lever type adjustable wrench two basic types which are respectively composed of a handle, a solid wrench mouth and an adjustable wrench mouth, wherein, the adjustable wrench mouth is a rotating block which can rotate around a fixed pin. The mouth regulation of the wrench is convenient; regulating mouth dimension and clamping are simultaneously carried out; the two wrench mouths can be stuck tightly with the clamped surface forever.

Description

Adjustable wrench

The utility model is the extraordinary monkey wrench of a kind of hand, and it is made up of rack-and-pinion monkey wrench and two kinds of fundamental modes of lever monkey wrench.Its scope of application is S=5.5～55mm.

Present general monkey wrench though can satisfy certain instructions for use, has three significant disadvantages:

1. each use all must be adjusted the size of opening " S " at any time.

2. be prone to the horn mouth phenomenon between Flexible spanner rim of the mouth and the slow-witted spanner mouth, influence serviceability.

3 parts easily come off and lose.

The purpose of this utility model is will provide in a kind of use both need not adjust openings of sizes at any time, never produces the horn mouth phenomenon between Flexible spanner rim of the mouth and the slow-witted spanner mouth, a kind of new device of each part never drop-off of while, as depicted in figs. 1 and 2.

The purpose of this utility model is achieved in that

One, the rack-and-pinion monkey wrench as shown in Figure 1, it is made up of handgrip (1), slow-witted spanner mouth (3) and Flexible spanner rim of the mouth (4).For preventing the horn mouth phenomenon, being equipped with one on top, Flexible spanner rim of the mouth can be around the switch block (5) of rationed marketing axle (6) swing.Bottom, Flexible spanner rim of the mouth has and is contained in also can be around the tooth bar of the engagement of the sector gear on the handgrip (1) that dead axle (2) rotates on the slow-witted spanner mouth.

Two, the lever monkey wrench as shown in Figure 2.It is by handgrip (1), dead axle (2), slow-witted spanner mouth (3) and can form around the switch block (5) of rationed marketing axle (4) swing.

During use, only need directly the spanner mouth last six sides (or four directions) workpiece is pulled the size that handgrip (1) both can have been regulated spanner mouth " S " automatically, then with six sides (or cubic) that are applicable to different size, adjustment no longer in any way.The workpiece of simultaneously also having tightened (or unclamping), its feature are to regulate opening to carry out simultaneously with clamping, and two spanner mouths can with clamped be adjacent to forever.

The modification of this extraordinary monkey wrench is more suitable in pipe wrench, and it only needs can use processing certain sawtooth on Flexible spanner rim of the mouth and the slow-witted spanner mouth, and is very convenient.

Of the present utility model simple in structure, easy to use, durable.

Claims (2)

1, extraordinary monkey wrench is made up of handgrip, slow-witted spanner mouth and Flexible spanner rim of the mouth.It is characterized in that top, Flexible spanner rim of the mouth is equipped with one can be around the switch block of rationed marketing axle swing, and the bottom in Flexible spanner rim of the mouth has and is contained on the slow-witted spanner mouth and can be around the tooth bar of the engagement of the sector gear on the handgrip that dead axle rotates.

2, another scheme of the present utility model is a lever, and it is made up of handgrip, slow-witted spanner mouth and Flexible spanner rim of the mouth.It is characterized in that the Flexible spanner rim of the mouth is to be contained on handgrip one end that dead axle rotates, around the switch block of bearing pin swing.

Images