CN2098992U - Wrench - Google Patents

Abstract

The utility model discloses a new wrench which can adjust the sizes of a wrench jaw by rotating a hand knob on the rear part of a wrench body, and is composed of a handle 1, a wrench body 2, a wrench jaw 3, and a screw 4. The screw 4 is embedded with and connected with one end of a rotating shaft 5 which is positioned on the rear part of the wrench body 2. The other end of the rotating shaft 5 is connects with a hand knob 6. The rotating shaft 5 is positioned on the wrench body 2 through a pressing block 7 to conveniently rotate the hand knob 6 to adjust the degree of opening of the wrench jaw 3.

Description

Wrench

The utility model belongs to a kind of spanner of manual adjustments, is applied to tightening or outwarding winding of nut and bolt etc.

When existing spanner is worked, must directly regulate the screw rod of spanner and could work, use inconvenience.

The purpose of this utility model provides a kind ofly regulates the novel spanner of jaw size by rotating in handling knob of wrench body rear portion.

The purpose of this utility model is to realize like this, the novel spanner of forming by handle 1, wrench body 2, jaw 3 and screw rod 4, screw rod 4 is halved together with rotating shaft 5 one ends that are positioned at wrench body 2 rear portions, the other end of rotating shaft 56 links to each other with handling knob, and rotating shaft 5 is positioned on the wrench body 2 by briquetting 7, thereby handles knob 6 o'clock in rotation, rotating shaft 5 is rotated thereupon, rotating shaft 5 rotates screw rod 4 by no key transmission, and the rotation of screw rod 4 drives the rotation of motion block 9, thereby reaches the purpose of regulating jaw 3 apertures.

The utility model compared with prior art has following advantage:

1, not only can directly turn screw rod but also can regulate span of jaw by turning to handle knob.

2,, thereby when twisting bolt, tight a bolt by handling knob of the longer arm of force easily owing to handle knob near handle.

3, owing to handle knob near handle, thereby when turning bolt, also can apply sizable folder power to bolt by handling knob, for preventing that spanner from skidding, it is all very convenient to turn irregular bolt.

Below in conjunction with accompanying drawing the utility model is elaborated:

Fig. 1 is the structural representation of spanner.

Fig. 2 is the A-A profile of spanner.

Fig. 3 is the B-B profile of spanner.

Fig. 4 is the C-C profile of spanner.

As shown in drawings, the novel spanner of forming by handle 1, wrench body 2, jaw 3 and screw rod 4, screw rod 4 is direct keyless joints of embedding mutually with the rotating shaft 5 that is positioned at wrench body 2 rear portions, and the other end of rotating shaft 56 is connected by pin 8 with handling knob, and rotating shaft 5 is positioned on the wrench body 2 by briquetting 7.During use, both can directly turn the aperture that screw rod is regulated jaw 3, and can handle knob 6 by rotation again, thereby rotating shaft 5 is rotated, and drive screw rod 4 thereupon and rotate, the rotation of screw rod 4 drives moving of motion block 9, thereby reaches the purpose of regulating jaw 3 apertures.Thereby the utility model is applicable to and tightens or part such as the bolt of outwarding winding.

Claims (2)

1, a kind of novel spanner, it is made up of handle 1, wrench body 2, jaw 3 and screw rod 4, it is characterized in that screw rod 4 and rotating shaft 5 one ends that are positioned at wrench body 2 rear portions are halved together, and the other end of rotating shaft 56 links to each other with handling knob, and rotating shaft 5 is positioned on the wrench body 2 by briquetting 7.

2, spanner according to claim 1, it is characterized in that handling knob 6 is connected with rotating shaft 5 by pin 8.