CN201736152U

CN201736152U - Adjustable wrench

Info

Publication number: CN201736152U
Application number: CN201020249292XU
Authority: CN
Inventors: 吴丽珠
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-06-30
Filing date: 2010-06-30
Publication date: 2011-02-09
Anticipated expiration: 2020-06-30

Abstract

The utility model discloses an adjustable wrench, which is provided with a handle. A head part is arranged at the top end of the handle; the head part comprises a connecting plate connected to the top end of the handle and a fixed jaw upwards extending from the right end part of the top surface of the connecting plate; a screw rod accommodating hole is arranged in the middle of the connecting plate; a chute communicated with the screw rod accommodating hole is concavely arranged on the top surface of the connecting plate; the chute is provided with a movable jaw opposite to the fixed jaw; a sliding rod is formed at the bottom of the movable jaw; the sliding rod penetrates into the chute; the screw rod threaded with the sliding rod is combined in the screw rod accommodating hole; and a clamping opening is formed between parallel jaw opening surfaces opposite to the movable jaw and the fixed jaw. When the fixed jaw and the movable jaw are opened to the maximal extent of the clamping opening, the ratio of the opening width between the two parallel jaw opening surfaces to the width of the head part is 0.55-0.60. Therefore, the clamping opening of the head part has a width with larger ratio relative to the head part, and the adjustable wrench can be suitable for clamping bolting components with a wider size range, and solves the defect that the conventional adjustable wrenches have a smaller range applicable for the width of the bolting components.

Description

Monkey wrench

Technical field

The utility model relates to a kind of hand-held tool, especially relates to a kind of monkey wrench with bigger folder mouthful width range.

Background technology

Existing monkey wrench; as TaiWan, China M371610 patent required for protection being entitled as " monkey wrench " utility model patent; the described monkey wrench of this utility model patent is that front end at lever is in conjunction with head; right side at head is provided with fixed jaw; the left of corresponding fixed jaw again, sliding at head is provided with the movable jaw that is subjected to screw drive and can left and right advance and retreat, forms folder mouthful between fixed jaw and movable jaw; with folder mouthful strangulation bolting element, carry out the operation of switching again.

Though aforementioned existing monkey wrench can be adjusted folder mouthful size to adapt to the bolting element of switching different size, but because when the folder mouth is flared to maximum, the ratio of the size of folder mouthful width and the size of head width is many between 0.4 to 0.45 or 0.45 to 0.5, therefore it is less to press from both sides mouthful ratio that accounts for head width, make the folder mouth of existing monkey wrench that bigger wide, narrow adjusting range can't be arranged, can not be applicable to the bolting element of how different size dimensions.

The utility model content

Because the folder mouth of existing monkey wrench and the ratio of head are less, therefore the folder mouthful width range that has is narrower, can not be applicable to the bolting element of wider width, thus the scope that restriction is used.For this reason, main purpose of the present utility model is, the folder mouth of monkey wrench is made as the form of broad, enlarges the amplitude of folder mouthful opening and closing whereby and can reach the effect that is suitable for more multiple size bolting element.

For achieving the above object, the utility model provides a kind of monkey wrench, be provided with a lever, be provided with a head in the top of this lever, comprise an a plate and a fixed jaw, wherein this connecting plate is connected in the top of this lever, offer a screw rod in the centre of this connecting plate and put the hole, be arranged with a chute in this connecting plate end face again, described chute is for laterally running through this connecting plate and putting the rail groove that the hole communicates with this screw rod, and this fixed jaw is extended up by the right part of this connecting plate end face, and forms a parallel jaw actinal surface in the left side, be provided with a movable jaw relatively in this fixed jaw left side, it forms a slide bar in the bottom, form a tooth bar in the bottom of this slide bar, forms a shaft-like block end again in this slide bar right part, be placed through this chute with this slide bar, form a parallel jaw actinal surface in the right side of this movable jaw, between two parallel jaw actinal surfaces, form a folder mouthful, put in the hole with rotating form in conjunction with a screw rod in this screw rod again, top with this screw rod is screwed together in this tooth bar, it is characterized in that:

When this fixed jaw and this movable jaw were flared to this folder mouthful maximum degree, open width (Wj) was 0.55 to 0.60 with the ratio of the width (Wh) of head the widest part between the two parallel jaw actinal surfaces.

Preferable, when fixed jaw described in the utility model and described movable jaw were flared to the degree of described folder mouthful maximum, open width (Wj) was 0.59 with the ratio of the width (Wh) of described head the widest part between the described two parallel jaw actinal surfaces.

Preferable, when fixed jaw described in the utility model and described movable jaw were flared to the degree of described folder mouthful maximum, open width (Wj) was 0.55 with the ratio of the width (Wh) of described head the widest part between the described two parallel jaw actinal surfaces.

Preferable, when fixed jaw described in the utility model and described movable jaw were flared to the degree of described folder mouthful maximum, open width (Wj) was 0.56 with the ratio of the width (Wh) of described head the widest part between the described two parallel jaw actinal surfaces.

When the utility model uses, be that mode with rotating screw bolt drives that tooth bar is left and right to be moved, make movable jaw advance and retreat towards fixed jaw, the size of adjusting the folder mouth whereby is to adapt to the bolting element of various different width dimensions, then will press from both sides muzzle and go into bolting element, with two parallel jaw actinal surface clamping bolting elements, and reverse lever and be rotated and screw togather or the operation of the bolting element that gets loose.

Beneficial functional of the present utility model is, because when the folder mouth is flared to maximum width, open width (Wj) is 0.55 to 0.60 with the ratio of the width (Wh) of head the widest part between the two parallel jaw actinal surfaces, the ratio of existing monkey wrench is big, therefore under same head width size, folder mouth of the present utility model can be made as bigger width and have bigger wide, narrow adjusting range, applicable to the bolting element of how different size dimensions, makes things convenient for the user to utilize.

Description of drawings

Fig. 1 is the stereogram of the utility model preferred embodiment;

Fig. 2 is the exploded view of the utility model preferred embodiment;

Fig. 3 is that the utility model preferred embodiment will be pressed from both sides mouth and is flared to maximum schematic diagram;

Fig. 4 is that the utility model preferred embodiment will be pressed from both sides the schematic diagram that mouth is reduced to minimum degree;

Fig. 5 is the side view of the utility model preferred embodiment clamping bolting element.

Wherein, Reference numeral

10 levers, 11 heads

111 connecting plates, 1111 screw rods are put the hole

1112 chutes, 112 fixed jaws

1121 parallel jaw actinal surface 20 movable jaws

21 slide bars, 211 block ends

212 tooth bars, 22 parallel jaw actinal surfaces

23 folder mouthful 24 screw rods

30 bolting elements

The specific embodiment

Below in conjunction with accompanying drawing structural principle of the present utility model and operation principle are done concrete description:

The utility model provides a kind of monkey wrench, please referring to Fig. 1 to Fig. 3, be provided with a lever 10, for having the top, the long handle at two ends, the end, be provided with a head 11 in the top of lever 10, comprise an a plate 111 and a fixed jaw 112, wherein connecting plate 111 is plate body and the top that is connected in lever 10 with the bottom, offer the screw rod of a rectangle in the centre of connecting plate 111 and put hole 1111, be arranged with a chute 1112 inwardly in the centre of connecting plate 111 end faces again, described chute is for running through connecting plate 111 left sides, the rail groove of right two sides, and its bottom is put hole 1111 with screw rod and is communicated, and fixed jaw 112 is extended up by the right part of connecting plate 111 end faces, forms a parallel jaw actinal surface 1121 on the left side of fixed jaw 112, and described parallel jaw actinal surface 1121 is and the vertical vertical plane of connecting plate 111 end faces;

Be provided with one with fixed jaw 112 left sides, right relative movable jaw 20, it forms a slide bar 21 in the bottom, described slide bar 21 is the straight-bar that horizontally set and right-hand member extend towards the right side, form a shaft-like block end 211 in the right part of slide bar 21, and form a tooth bar 212 in slide bar 21 bottoms, this tooth bar 212 is extended to the left end of block end 211 by the left end of slide bar 21, with slide bar 21 with can a left side, right form of sliding is placed through in the chute 1112, parallel jaw actinal surface 1121 with respect to fixed jaw 112, also form a parallel jaw actinal surface 22 in the right side of movable jaw 20, described parallel jaw actinal surface 22 is the surface parallel with parallel jaw actinal surface 1121, in two parallel jaw actinal surfaces 22, form a folder mouth 23 between 1121, again in screw rod is put hole 1111 with the screw rod 24 of rotating form in conjunction with a horizontally set, be screwed together in the tooth bar 212 of slide bar 21 with the top of screw rod 24, when rotating screw bolt 24, driving slide bar 21 and movable jaw 20 moves to left, when fixed jaw 112 and movable jaw 20 are flared to the degree of folder mouthful 23 maximums, two parallel jaw actinal surfaces 22, the ratio of the width W h of open width W j and head the widest part is 0.59 between 1121.

The utility model removes aforementioned preferred embodiment, be when fixed jaw 112 and movable jaw 20 are flared to the degree of folder mouthful 23 maximums, the width W h ratio of open width W j and head the widest part is made as beyond 0.59 between the two parallel jaw

actinal surfaces

22,1121, also the ratio of Wj and Wh can be made as the numerical value between 0.55 to 0.60 such as 0.55 or 0.56, the Breadth Maximum of order folder mouth 23 has bigger ratio with respect to the width of head 11, can be in folder mouthfuls 23 ccontaining bigger bolting element, again with two parallel jaw

actinal surface

22,1121 these bolting elements of clamping.

When the utility model uses, as shown in Figure 1 to Figure 3, be that mode with rotating screw bolt 24 drives tooth bar 212 left sides, move right, and make movable jaw 20 towards fixed jaw 112 advance and retreat, the size of adjusting folder mouth 23 whereby is to adapt to the bolting element of various different width dimensions, as shown in Figure 4, rotating screw bolt 24, movable jaw 20 is driven clampings in fixed jaw 112, this moment parallel jaw actinal surface 22 with parallel jaw actinal surface 1121 between mutually against, Fig. 5 and for example, rotating screw bolt 24, movable jaw 20 is driven towards a left side to the distance from fixed jaw 112 maximums, and order folder mouth 23 becomes maximum state and holds bolting element 30, and with two parallel jaw

actinal surfaces

22,1121 clamping bolting elements 30 rotate; Because the width W h ratio of open width W j and head the widest part is 0.59 between the utility model two parallel jaw

actinal surfaces

22,1121, the ratio of existing monkey wrench is big, therefore make folder mouth 23 of the present utility model have bigger width adjustment amplitude, applicable to the bolting element of how different size dimensions, make things convenient for the user to utilize.

Claims

1. monkey wrench, be provided with a lever, be provided with a head in the top of this lever, comprise an a plate and a fixed jaw, wherein this connecting plate is connected in the top of this lever, offer a screw rod in the centre of this connecting plate and put the hole, be arranged with a chute in this connecting plate end face again, described chute is for laterally running through this connecting plate and putting the rail groove that the hole communicates with this screw rod, this fixed jaw is extended up by the right part of this connecting plate end face, and form a parallel jaw actinal surface in the left side, be provided with a movable jaw relatively in this fixed jaw left side, it forms a slide bar in the bottom, form a tooth bar in the bottom of this slide bar, form a shaft-like block end again in this slide bar right part, be placed through this chute, form a parallel jaw actinal surface in the right side of this movable jaw with this slide bar, between two parallel jaw actinal surfaces, form a folder mouth, put in the hole with rotating form in conjunction with a screw rod in this screw rod again, be screwed together in this tooth bar, it is characterized in that with the top of this screw rod:

2. monkey wrench according to claim 1, it is characterized in that, when described fixed jaw and described movable jaw were flared to described folder mouthful maximum degree, open width (Wj) was 0.59 with the ratio of the width (Wh) of described head the widest part between the described two parallel jaw actinal surfaces.

3. monkey wrench according to claim 1, it is characterized in that, when described fixed jaw and described movable jaw were flared to described folder mouthful maximum degree, open width (Wj) was 0.55 with the ratio of the width (Wh) of described head the widest part between the described two parallel jaw actinal surfaces.

4. monkey wrench according to claim 1, it is characterized in that, when described fixed jaw and described movable jaw were flared to described folder mouthful maximum degree, open width (Wj) was 0.56 with the ratio of the width (Wh) of described head the widest part between the described two parallel jaw actinal surfaces.