CN2444716Y

CN2444716Y - Wrench

Info

Publication number: CN2444716Y
Application number: CN 00255080
Authority: CN
Inventors: 吴丽珠; 吕木炎
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-10-12
Filing date: 2000-10-12
Publication date: 2001-08-29
Anticipated expiration: 2010-10-12

Abstract

The utility model relates to an improved wrench which is mainly composed of an exposed basal body and a coating body which is coated on the outer side of the exposed basal body, wherein, the exposed basal body is arranged on the contacted position of a hand tool and a workpiece. The weight of the hand tool is largely lightened by the combination of the coating body and the metal exposed basal body, and strength which is supplied is high. The hand tool has the design of insulation security.

Description

Hand-held tool

The utility model relates to a kind of hand-held tool.

Hand-held tool is quite frequent in the daily life utilization, and such as open-end wrench, active open spanner etc., it all is to form with the metal material straight forming, and still, with the passing of time the hand-held tool of metal manufacturing uses can produce following shortcoming:

1. hand-held tool is that metal material is made, if material is an iron, because of the proportion of iron is 7.8, the burden in the time of can increasing user's handling is required great effort operating process more.

2. iron handle easily gets rusty, and causes to grip uncomfortable shortcoming.

3. the big and poor flexibility of small tool matenial characteristic brittleness, and hand-held tool Heavy Weight, under the repetitiousness operation, the vibration force of arm can't obtain buffering, so after operating, feel under the weather easily in user's arm and joint thereof.

4. because hand-held tool is to be made by metal material, and itself has electric conductivity, and when the gripping handle position, the gas that gets wet if hand is sweat contacts electric power again accidentally, it is unexpected to be easy to that electric shock takes place.

In order to overcome the above-mentioned shortcoming that has the hand-held tool that constitutes with metal now, the purpose of this utility model provides a kind of in light weight, easy-to-use hand-held tool.

In order to achieve the above object, the technical solution of the utility model is: a kind of hand-held tool of improvement is provided, and wherein it comprises:

One exposes matrix, this expose that matrix is located at the hand-held tool outer rim and with the direct position contacting of workpiece,

Made, be designed to the cladding more than one deck of hand-held tool handle by composite, this cladding is coated and fixed and is exposing the outer circumferential side of matrix, and keeps exposing matrix and contact the adjacent outer rim of this face with workpiece and be naked state.

By above-mentioned technological means, the utlity model has following advantage:

1. grip quite light: because the proportion of carbon fiber is very light, about 1.4, glass fibre about 1.8, the two all reduces much than 7.8 rates of specific gravity of iron, well imagines that the weight of handle grip significantly reduces, can make gripping more light, the application of force is comparatively comfortable, a large amount of relatively weight of carrying hand-held tool that reduce, and carrying convenience is light.

2. cladding has good insulation properties, and therefore the accident of electric shock aspect can not take place.

3. the hand-held tool that produces according to the utility model, cause is main framework with cladding, cladding has characteristics such as high strength, high rigidity, lightweight, make the intensity height, in light weight of hand-held tool, and cladding after pressurized, heated with expose matrix bond and be integral, the matrix that exposes that the position of hand-held tool interlock workpiece is still metal material constitutes, so still do not lose the wear-resisting toughness of metal material itself, keep the basic purposes and the function of hand-held tool, just can significantly promote whole hand-held tool intensity, strengthen durability.

4. cladding has acidproof alkali, corrosion resistance, and skin can not get rusty, and running into sour alkali environment can deface yet.

5. cladding has good thermal insulation, can not conduct temperature easily because being in high-temperature work environment, guarantees that the gripping of hand is still comfortable.

6. cladding has better elastic, in operating process the vibration force that hand generates can be slowed down, and the shock-absorbing of an appropriateness is provided, and the sense of touch that hand is gripped is good.

7. cladding can add colorant and changes colour when pre-soaked resin, or at literal, the pictorial trademark of cladding surface printing colour, allows the more diversification of surface of hand-held tool.

Further specify architectural feature of the present utility model and purpose below in conjunction with accompanying drawing, in the accompanying drawings:

Fig. 1 makes the cutaway view of embodiment with monkey wrench for the utility model.

Fig. 2 makes the partial perspective cutaway view of embodiment with monkey wrench for the utility model.

Fig. 3 makes the cutaway view of another embodiment with monkey wrench for the utility model.

Fig. 4 makes the cutaway view of embodiment with pipe wrench for the utility model.

Fig. 5 makes the partial perspective cutaway view of embodiment with pipe wrench for the utility model.

Fig. 6 makes the cutaway view of embodiment with double offset ring spanner for the utility model.

Fig. 7 makes the schematic perspective view of embodiment with double offset ring spanner for the utility model.

Fig. 8 makes the cutaway view of another embodiment with monkey wrench for the utility model.

Fig. 9 makes the cutaway view of embodiment with pliers for the utility model.

Figure 10 makes the cutaway view of embodiment with mallet for the utility model.

Fig. 1～10 are depicted as the concrete structure of hand-held tool 10 provided by the utility model, its structure mainly comprises metallic matrix 14 that contacts with workpiece and the cladding 12 that constitutes other positions, this cladding 12 is made of composites such as carbon fiber or glass fibres, because the hardness of metallic matrix 14 is higher, can possess its due intensity, other as positions such as shanks then owing to be that composite by light weight is constituted, so can significantly reduce the weight of hand-held tool.

Above-mentioned is main composition of the present utility model and characteristics, and the thin portion structure when being applied to the hand-held tool of various different kenels then is described following.

First kind of embodiment as shown in Figure 1, 2, its shown hand-held tool 10 is a monkey wrench, mainly comprises:

One exposes matrix 14, make by metal materials such as steel alloys, making and settlement are in hand-held tool 10 outer rims, be used for directly contacting, expose matrix 14 and form respectively and can interlock clamp fixedly being difficult to articulate 141, being difficult to articulate 142 with activity, wherein of workpiece with workpiece, activity is difficult to articulate 142 lower ends by 16 engagements of metal adjustment wheel and can be movable, two be difficult to articulate on 141, the 142 different lateral borders in addition, respectively form the caulking groove 15 of one invaginated type along profile, with moulding cladding 12;

Cladding 12, for such as composite material presoaked resins such as carbon fiber or glass fibres, heating again, cure under pressure constitute the handle 101 of hand-held tool 10, and in order to be coated on the outer circumferential side that exposes matrix 14; After being coated with, impose heating, cure under pressure shaping hand-held tool 10 again, wherein, cladding 12 also is filled in described being arranged on and fixedly is difficult to articulate 141 and the caulking groove 15 in movable 142 outsides of being difficult to articulate, and the part that keeps cladding 12 to coat exposing matrix 14 with expose matrix 14 surfaces and constitute concordant shape;

And for example shown in Figure 3, when the utility model was applied to monkey wrench, it also can will expose matrix 14 with respect to 141,142 opposite sides of being difficult to articulate, and established an inserting handle 143 that extends towards these ends of handle 101, used to be coated in the cladding 12 and to fix.

Second kind of embodiment pipe wrench hand-held tool 10A shown in Fig. 4,5, its be provided with utilize metal material to make to contact with workpiece expose matrix 14, this exposes matrix 14 formation two is difficult to articulate 144,145, and in 144, the 145 relative outside formation caulking grooves 15 of being difficult to articulate, supply cladding 12 to be coated on and expose matrix 14 outsides, cladding 12 also extends the shank that is provided with for the hand gripping.

The third embodiment is shown in Fig. 6,7,8, hand-held tool 10B can be double offset ring spanner, show at this embodiment, metal material expose matrix 14 form the double offset ring spanner two ends be closed circular in sting ring 17, expose matrix 14 at the interior link arm 171 of stinging ring 17 1 outsides extension thinner thickness, and by cladding 12 materials according to the double offset ring spanner form be shaped be coated on link arm 171 and in sting ring 17 outer circumferential sides, and keep cladding 12 thickness with in to sting ring 17 contour, sting ring 17 outline shapes in exposing;

Embodiment shown in Figure 8 illustrates that hand-held tool 10B can coat the cladding 121 that one deck is all composite again at the outer circumferential side of cladding 12, is carbon fibre materials such as cladding 12, and cladding 121 is glass fiber materials.

The 4th kind of embodiment as shown in Figure 9, hand-held tool 10C is a pliers, make the head 102 and the handle 101 of pliers with cladding 12, and two be difficult to articulate 146,147 by what expose that matrix 14 constitutes at head 102 inner double teams, use holding workpiece, cooperate the cladding 121 of another kind of composite to be coated on cladding 12 outer circumferential sides again.

The 5th kind of embodiment as shown in figure 10, hand-held tool 10D is a mallet, but hand-held tool 10D mallet beat the position and constitute with the matrix 14 of exposing of metal material, establish a perforation 143 in the centre of exposing matrix 14, coating is worn in material embedding for cladding 12, and cladding 12 forms the shank of hand-held tool 10D simultaneously.

Above various embodiments mainly is that explanation the utility model can improve existing hand-held tool really effectively with metal scarce fraud, and has the weight of lightweight with the reduction hand-held tool, and has the characteristic of high strength and insulation concurrently.

In addition, the cladding made from composite can also have color, to increase the attractive in appearance and texture of hand-held tool, it is when glass fibre or carbon fibre initial rinse resin, adds colorant in resin, after heating, cure under pressure, promptly present color,, the composite segmentation of different colours is twined if will on cladding, present multiple color the time in cover surface, heat cure under pressure more together, promptly form riotous with colour cladding.

In addition, the utility model also can have the simple and unadorned outward appearance of hand-held tool now and improve directly in cladding surface printing literal or pattern.

Claims

1. hand-held tool is characterized in that it comprises:

One exposes matrix, this expose matrix be located at the hand-held tool outer rim and with the direct position contacting of workpiece,

2. the hand-held tool of improvement according to claim 1 is characterized in that:

Cladding is by the carbon fibre material pre-soaked resin, bestows heating again, cure under pressure forms.

3. hand-held tool according to claim 1 is characterized in that:

Cladding is by the glass fiber material pre-soaked resin, bestows heating again, cure under pressure forms.

4. according to claim 1 or 2 or 3 described hand-held tools, it is characterized in that:

Described hand-held tool is a monkey wrench, exposing matrix forms the activity of can interlock clamping workpiece and is difficult to articulate, fixedly is difficult to articulate, this activity is difficult to articulate the lower end by the engagement of metal adjustment wheel and can be movable, two are difficult to articulate, and each is two-sided at lateral border, respectively form invaginated type one along profile, the caulking groove that can supply cladding to insert.

5. according to claim 1 or 2 or 3 described hand-held tools, it is characterized in that:

Described hand-held tool is a double offset ring spanner, expose matrix form the double offset ring spanner two ends be closed circular in sting ring, expose matrix in two, sting ring in opposite directions this side extend the link arm of a thinner thickness, by cladding coat link arm and in sting the ring outer circumferential side, and keep cladding thickness with in to sting ring contour, sting the profile of ring in exposing.

6. according to claim 1 or 2 or 3 described hand-held tools, it is characterized in that: described cladding outer circumferential side coats one deck with the made cladding of different composites.

7. according to claim 1 or 2 or 3 described hand-held tools, it is characterized in that:

Hand-held tool is a pliers, and the mat cladding is made the head and the handle of pliers, and this head is in two being difficult to articulate that inner double team exposes that matrix constitutes, again in coating with the cladding of the made handle outer circumferential side of cladding with another kind of composite.

8. according to claim 1 or 2 or 3 described hand-held tools, it is characterized in that:

Described hand-held tool is a mallet, constitutes configuration by cladding, but the hand-held tool mallet beat the position and constitute with the matrix that exposes of metal material, be equipped with one in the centre and wear the perforation of coating for the material embedding of cladding.

9. according to claim 2 or 3 described hand-held tools, it is characterized in that:

The adding colorant is arranged in the described resin.