CN2191748Y - Monkey wrench - Google Patents

Abstract

The utility model discloses a monkey wrench. The utility model is characterized in that the top of the wrench is provided with a convex tooth which is integrated into a whole with the wrench; the side of the top of the wrench is provided with a concave coiled with a spring; a monkey wrench head is arranged on the top of the wrench which is arranged in the notch of the monkey wrench head through a round pin; a movable wrench slice arranged in the notch of the monkey wrench head is provided with a concave tooth integrated with the wrench into a whole; the concave tooth is arranged in the notch of the monkey wrench head and meshed with the convex tooth on the top of the wrench; the notch of the monkey wrench head and the notch of the monkey wrench are provided with a tooth block. When the utility model is used, the notch is opened as long as the wrench is held by a hand, and the head is pushed by a thumb. The monkey wrench can be used as the tool of machine manufacture and maintenance trade.

Description

Monkey wrench

The utility model relates to a kind of spanner, and specifically describing is the tight spanner of living.

The spanner kind of Xiao Shouing is a lot of in the market, has active spanner, Socket type driving end of wrenches, ratchet wrench first-class, but these spanners mostly the scope of application is narrow, specificity is strong.Versatility is poor, can not change with workpiece size during use and adjust the jaw size automatically, even adjustable wrench because of the jaw size adjusting is improper, easily damages nut sometimes.

The utility model purpose is to provide a kind of span of jaw according to the self-regulating multipurpose of nut size energy tight spanner alive.

To achieve these goals, the utility model adopts following technical scheme: the tight spanner of a kind of work, comprise spanner, spanner and spring, the top that it is characterized in that spanner has and spanner casting all-in-one-piece double wedge, side, spanner top is provided with the pit of coiling spring, movable jaw is installed in the top of spanner by round pin, the spanner top is positioned at the movable jaw notch, spring one end that is coiled in the pit is fixed on the movable jaw side, the other end is fixed on the pit side, spanner top, being installed in has on the adjustable clamp sheet in the movable jaw notch and the recessed tooth of pincers sheet casting all-in-one-piece, recessed tooth is positioned at the notch of movable jaw, and with the engagement of the double wedge on spanner top, install on the Flexible spanner draught animals and the moving jaw upwards, the tooth piece of downward different directions pointed tooth band.

The utility model compared with the prior art, it is simple in structure having conspicuous advantage, easy to operate, highly versatile can be regulated span of jaw automatically, applicable to the quick loading and unloading of various nuts.

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

Fig. 1 is the utility model structural representation;

Fig. 2 is the A-A cutaway view of Fig. 1;

Fig. 3 is the utility model spanner structure schematic diagram;

Fig. 4 is the B-B cutaway view of Fig. 3;

Fig. 5 is the utility model movable jaw structural representation;

Fig. 6 is Fig. 5 side view;

Fig. 7 is the utility model adjustable clamp chip architecture schematic diagram;

Fig. 8 is the side view of Fig. 7;

Fig. 9 is the schematic diagram of the utility model tooth piece;

Figure 10 is the C-C cutaway view of Fig. 9.

Shown in Fig. 1-10.The utility model is made up of spanner 6, movable jaw 1, adjustable clamp sheet 2, tooth piece 3, spring 5 and round pin 4.The top of spanner has and spanner casting all-in-one-piece double wedge 7, side, spanner top is provided with the pit 8 of coiling spring, movable jaw is installed in the top of spanner by round pin, the spanner top is positioned at monkey wrench notch 10, spring one end that is coiled in the pit is fixed on the movable jaw side, the other end is fixed on the side of spanner top pit, being installed in has on the adjustable clamp sheet in the monkey wrench notch and the recessed tooth 9 of pincers sheet casting all-in-one-piece, recessed tooth is positioned at the notch of movable jaw, and it is meshing with the double wedge on spanner top, the tooth piece of the downward different directions pointed tooth band that makes progress is installed on the Flexible spanner draught animals and the adjustable clamp sheet mouth, jaw adopts design like this, increases the pressure of stubborn power of spanner and jaw.

When the utility model uses, as long as grasp spanner, promote head with thumb, by the double wedge and the meshing effect of adjustable clamp sheet fovea superior tooth on spanner top, jaw just opens, under spring action, can block the nut of all size, span of jaw can be regulated automatically, spanner one is pulled, with regard to auto lock, the double wedge on spanner top acts on pincers sheet fovea superior tooth, pulls tighter and tighter.The utlity model has the box spanner folk prescription to the function that screws (pine), it needn't whenever revolve once, withdraw from the trouble that puts again, it can move back pine when shaking spanner automatically returning, auto lock again after putting in place, can under the low-angle situation that allows, shake handle and can screw (pine) nut continuously fast.Screw or unscrew nut,, can implement as long as change the Flexible spanner women's head-ornaments that contact with nut.If movable jaw D shakes spanner facing to nut, be to screw nut continuously fast, so with movable jaw E facing to nut, shake spanner, then be to unscrew nut continuously fast.

Claims (1)

1. The tight spanner of a kind of work, comprise spanner, spanner and spring, the top that it is characterized in that spanner (6) has and spanner casting all-in-one-piece double wedge (7), side, spanner top is provided with the pit (8) of coiling spring (5), movable jaw (1) is installed in the top of spanner by round pin (4), the spanner top is positioned at movable jaw notch (10), spring one end that is coiled in the pit is fixed on the movable jaw side, the other end is fixed on the pit side, spanner top, being installed in has on the adjustable clamp sheet (2) in the movable jaw notch and the pincers sheet casting recessed tooth of all-in-one-piece (9), recessed tooth is positioned at the notch of movable jaw, and with the engagement of the double wedge on spanner top, install on the Flexible spanner draught animals and the moving jaw upwards, the tooth piece (3) of downward different directions pointed tooth band.

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