CN2584360Y

CN2584360Y - Ratchet wrench

Info

Publication number: CN2584360Y
Application number: CN 02286197
Authority: CN
Inventors: 吴丽珠
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-11-19
Filing date: 2002-11-19
Publication date: 2003-11-05
Anticipated expiration: 2012-11-19

Abstract

The utility model relates to a ratchet wrench which comprises a ratchet part and a handle part, wherein a ratchet device is arranged in the ratchet part, one side of the ratchet part extends to form a combining sheet in a flat-plate shape, at least one groove is respectively and hollowly arranged on both side surfaces of the combining sheet, and both end edges of the free end of the combining sheet respectively form an inclined surface; the handle part is made of composite materials, is combined and coated on the combining sheet of the ratchet part and is mutually embedded with the grooves on the combining sheet. The ratchet wrench of the utility model has the advantages of shape diversification, the reduction of the whole weight, convenient carrying, favorable insulating effect and the enhancement of the integral using efficiency, and can prevent users from suffering electric shock in the process of operating the ratchet wrench.

Description

Ratchet spanner

Technical field

The utility model relates to a kind of hand-operated tools, relates in particular to a kind of easily manufacturedly, and overall weight is light, and is easy to carry, and has the good insulation performance effect, can avoid the user to get shocked in operating process, improves the ratchet spanner of whole effective utilization.

Background technology

Be generally and conveniently lock or unclamp latch assembly, as bolt etc., big city uses ratchet spanner as shown in Figure 4, the purpose that reaches quick locking or unclamp latch assembly, so ratchet spanner is a kind of hand tools of quite common use.

And existing ratchet spanner consists predominantly of leader 52, and handle 52 1 ends are provided with a ratchet portion 50, for a sleeve 60 is socketed in the ratchet portion 50.When user's swing handle 52, can drive sleeves 60 by ratchet portion 50 and rotate thereupon, lock or unclamp operation such as latch assembly to finish.

Yet, its handle 52 of existing ratchet spanner mostly is one-body molded interconnecting with ratchet portion 52, and all be to make with metal material, so existing ratchet spanner mostly is to take the mode of forging molding to make, so not only processing is difficult for, and is subject to processing mode, and the moulding of existing ratchet spanner also can't have polytropy and diversity concurrently, especially be particular about today of product diversification,, can't satisfy the demand in market in fact with the produced ratchet spanner of traditional procedure; Simultaneously whole also have suitable weight by metal ratchet spanner, carries very inconveniently, and do not have insulating properties, when being applied to the workplace of some tool high-tension electricity, one is careless slightly, and the user just gets shocked easily, so, dangerous property during work.

In addition, though someone is a sheathed again plastic handles cover on the handle 52 of ratchet spanner, to reach insulation effect, and make the part outward appearance have certain variability, but additional gloves are come off on metal handle 52 easily of this kind, quite inconvenience in the use, although having simultaneously the people to use viscose glue etc. will adhere to gloves on the handle 52, but the adhesion strength of viscose glue is limited, easily loses the adhesion effect because of factors such as long-term uses, quite inconvenience in the use.

The utility model content

For the processing that overcomes existing ratchet handle existence is difficult for, the moulding dullness, Heavy Weight carries inconvenience, the shortcoming of insulation effect difference, the utility model provides a kind of improved ratchet spanner, and it can make the moulding of ratchet spanner more diversified, alleviates the overall weight of ratchet spanner, easy to carry, and have the good insulation performance effect, can avoid the user in operation ratchet spanner process, to get shocked, improve the whole effective utilization of ratchet spanner.

The technical scheme that its technical problem that solves the utility model adopts is:

A kind of ratchet spanner, comprise ratchet portion and handle portion, be provided with ratchet device in the ratchet portion, it is characterized in that, one side of described ratchet portion has extended to form a flat bonding pad, be arranged with respectively on the two sides of bonding pad and be formed with at least one groove, the free-ended two ends of bonding pad edge forms an inclined-plane respectively; Described handle portion is made by composite, and in conjunction with being coated on the ratchet portion bonding pad, the groove on handle portion and the bonding pad is chimeric mutually.

Aforesaid ratchet spanner, wherein the thickness of bonding pad is slightly to successively decrease towards free end, and makes the free end of bonding pad slightly be cone-shaped.

The beneficial effects of the utility model are that it can make the moulding of ratchet spanner more diversified, alleviates the overall weight of ratchet spanner, easy to carry, and have the good insulation performance effect, can avoid the user in operation ratchet spanner process, to get shocked, improve the whole effective utilization of ratchet spanner.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is a sectional perspective profile of the present utility model.

Fig. 2 is that master of the present utility model looks part sectioned view.

Fig. 3 is a side-looking part sectioned view of the present utility model.

Fig. 4 is the three-dimensional appearance schematic diagram of existing ratchet spanner.

The number in the figure explanation:

10 ratchet portions, 12 bonding pads

122 grooves, 124 inclined-planes

126 inclined-planes, 14 handle portions

50 ratchet portions, 52 handle portions

60 sleeves

The specific embodiment

See also Fig. 1 to Fig. 3, ratchet spanner of the present utility model includes a ratchet portion 10 and leader portion 14, be provided with the ratchet device (not shown) in the ratchet portion 10, in order to combine with instruments such as sleeves, carry out locking or loosen operation as latch assemblies such as bolts, extended to form a flat bonding pad 12 in ratchet portion 10 1 sides, on the two sides of bonding pad 12, be arranged with respectively and be formed with at least one groove 122, bonding pad 12 free-ended two ora terminalis then form an inclined-plane 124126 respectively, the thickness of bonding pad 12 is slightly to successively decrease towards its free end, and makes the free end of bonding pad 12 slightly be cone-shaped.

Again, handle portion 14 is to make with composite, as glass fibre or carbon fiber etc., this handle portion 14 is combinations and is coated on the bonding pad 12 of ratchet portion 10, it mainly is after being coated on composite on the bonding pad 12, utilizes heating to wait processing procedure, makes the handle portion 14 can firm combination and one is attached on the bonding pad 12, and the part material of handle portion 14 is embedded in the groove 122 of bonding pad 12, can further promote the bond strength of 12 of handle portion 14 and bonding pads.

Whereby, not only reduce the weight of ratchet spanner integral body by the handle portion 14 of lighter weight, allow ratchet spanner more also in carrying, also can utilize composite to be easy to be shaped to difform characteristic, allow the appearance and modeling of handle portion 14 have more variability, pass through the pigmentable characteristic of composite simultaneously, make handle portion 14 present the variation of different color, so, can significantly improve the variability of ratchet spanner overall appearance moulding, whereby, the dealer just can cooperate difform handle portion 14 with identical shaped ratchet portion 12, make the ratchet spanner of different appearance and modelings, make the ratchet spanner of multiple moulding be easier to make, can reduce the whole manufacturing cost of ratchet spanner.

In addition, insulation characterisitic by plastics, make handle portion 14 have good non-conductive property, like this, in the time of can allowing the operator under having the environment of voltage, operate ratchet spanner, avoid the danger that is subjected to shock by electricity, can significantly improve the security of manipulating ratchet spanner, reduce industrial injury probability takes place unexpectedly.

And handle portion 14 of the present utility model is not to be bonded in the ratchet portion 10 with viscose glue, but one-body molded being attached on the bonding pad 12 so can not come off, can significantly be improved manual convenience of ratchet wrench and practicality.

Ratchet spanner of the present utility model mainly is that a metal ratchet portion 10 is provided with a handle portion 14 of being made by composite, not only can simplify the flow process that ratchet spanner is made whereby, can allow ratchet spanner have various variation in moulding, simultaneously also can make ratchet spanner have good non-conductive property, to improve the security that ratchet spanner uses and operates.

In sum, the utility model really can improve the deficiency and the shortcoming of existing ratchet spanner structure, be in fact one to have the fine piece of writing of progressive, and the utility model does not see publication or public use, meets novel patent application important document, so file an application in accordance with the law.

Claims

1. a ratchet spanner comprises ratchet portion and handle portion, is provided with ratchet device in the ratchet portion, it is characterized in that,

One side of described ratchet portion has extended to form a flat bonding pad, is arranged with respectively on the two sides of bonding pad to be formed with at least one groove, and the free-ended two ends of bonding pad edge forms an inclined-plane respectively;

Described handle portion is made by composite, and in conjunction with being coated on the ratchet portion bonding pad, the groove on handle portion and the bonding pad is chimeric mutually.

2. ratchet spanner according to claim 1, the thickness that it is characterized in that described bonding pad is slightly to successively decrease towards free end, and makes the free end of bonding pad slightly be cone-shaped.