CN2551409Y

CN2551409Y - Improved structure of practical screwdriver

Info

Publication number: CN2551409Y
Application number: CN 02217670
Authority: CN
Inventors: 谢智庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-05-24
Filing date: 2002-05-24
Publication date: 2003-05-21
Anticipated expiration: 2012-05-24

Abstract

The utility model discloses an improved structure of a practical screwdriver, which comprises a rod and a grab handle, wherein the rod is composed of a first driving rod and a second driving rod. The corresponding ends of the two driving rods respectively form a spherical-teeth driving structure. When the driving structures of the two rods are engaged with each other, the rods can be bent in an angle by means of being sheathed and combined with a plastic binding casing. In addition, the end of the first driving rod sheathed with the grab handle expands and forms an accommodating space with a hollow inner edge and an outward hollowed front end in order to accommodate an illuminating apparatus, so the rod of a screwdriver can be bent into any angle and has the auxiliary function of illuminating by lamplight.

Description

The improvement structure of practical screwdriver

Technical field

The utility model relates to a kind of screwdriver, and particularly a kind of possess the light fixture optical illumination, and the body of rod of bottle opener can be made the improvement structure of the thousand meaning angle screwdriver that curves, locate.

Background technology

By prior art as can be known, general screwdriver is for improving function of use, often make the body of rod of its front end can do angle bending, and as shown in Figure 1 commonly use creation, it is provided with a conjunction on a screwdriver, connector and Coupling, at this connector appropriate location one spring and positioning bead are set, and an axostylus axostyle is set between connecting piece and conjunction, thereby reach the effect that the body of rod that makes screwdriver can be done the angle bending, because the above-mentioned member complexity of commonly using the creation combination, therefore, not only make, assemble the required time, human cost is higher, and, the bending that its body of rod also only can be made 90 degree turns, and do not have an effect, practicality and inter-industry competition, again, this is commonly used creation and is 90 degree when turning, because the end that end that the user grips and screw terminal spiral shell are moving is to utilize " the 3rd member " winding indirectly, therefore, it turns effect, quality is very unstable yet, simultaneously, when it makes the straight line screw lock, reach fixing purpose though utilize canular member cover to overlay on the articulated section that can curve, but it is mobile that this sleeve part is easy to generate, and influence the operation that screw opener lock is established.

In addition, if the occasion of general screwdriver work is because of the light is dusky or when locking the spiral shell spare position of establishing comparatively the depths is difficult for watching because of desire, often must be with flashlight lighting, but screwdriver is two members that separate with lighting device, therefore, not being to need two people to operate together during use, is that the user takes torch and the operation of taking spanner on the other hand on the other hand, not only time-consuming, the effort and the operating efficiency of not having.

Summary of the invention

The purpose of this utility model is to solve the above problems and a kind of improvement structure of practical screwdriver is provided.

The utility model is achieved in that a kind of improvement structure of practical screwdriver, comprise a body of rod and lever, one lighting device is set respectively and turns structure at this body of rod and lever appropriate location, this body of rod comprises one first drive rod and second drive rod, this first drive rod, one end and this lever socket, and the drives structure of holding formation one ball dentation in addition, and this end appropriate location with this lever socket, expansion forms the accommodation space of an inner edge hollow, this lighting device setting wherein, simultaneously, this accommodation space front end forms some open-works;

And this second drive rod, one end is provided with screwdriver head, and in addition end forms the drives structure of a ball dentation, and the drives structure of this second drive rod and first drive rod is to mesh and joins, and the bundle covering of a tool plasticity is sheathed on it.

This lighting device is made up of a bulb, operating key, battery and electric conductor, is arranged in regular turn in this accommodation space respectively.

The interior outer rim side face of this bundle covering forms wavy concaveconvex structure.

This this bundle covering is the L type shape of solid form, the rectangular shape socket of this two drive rod.

The drives structure of this first drive rod and second drive rod, form the step shape structure of tool concave, convex face respectively, wherein, form a tooth portion at the convex surface ora terminalis, the concave surface place then is drilled with one and holds the hole, and an elastomer and steel ball are wherein ccontaining, the concave, convex face of this two drive rod splices mutually and establishes, and solid by a pivot pivot, simultaneously, and this two steel ball is subjected to the elastomer top to pull respectively contact in corresponding tooth portion separately.

This structure comprises a bundle covering, and this bundle covering spiral shell is positioned at this second drive rod appropriate location if collar card is established.

Positive progressive effect of the present utility model is: the utility model not only can make the body of rod of screwdriver can do curving of unspecified angle, simultaneously, has more and has lamplit auxiliary effect.

Description of drawings

Fig. 1 is a combination generalized section of the present utility model.

Fig. 2 is an angle bending embodiment schematic diagram of the present utility model.

Fig. 3 is the utility model second embodiment schematic appearance.

Fig. 4 is the partial cutaway schematic of the utility model second embodiment.

Fig. 5 is that the utility model the 3rd embodiment makes up generalized section.

Fig. 6 is another combination dissected figure of the utility model the 3rd embodiment.

Fig. 7 is the action schematic diagram of the utility model the 3rd embodiment.

Fig. 8 is a decomposing schematic representation of commonly using creation.

The specific embodiment

See also Fig. 1, shown in Figure 2, the improvement structure of the practical screwdriver of the utility model, it comprises a lever 10, the body of rod 20, bundle covering 30 and lighting device 40, wherein:

This lever 10 is a member that is available for users to grip, and is formed with sleeve joint hole portion at inner edge, uses for the 20 1 end sockets of this body of rod.

This body of rod 20 is made up of one first drive rod 21 and second drive rod 22, these first drive rod, 21 1 ends are nested with in the sleeve joint hole portion of this lever 10, and the drives structure 211 of holding formation one ball dentation in addition, and this end of this first drive rod 21 and these lever 10 sockets, expansion forms the accommodation space 212 of an inner edge hollow, can be installed with for this lighting device 40 in this accommodation space 212, and it is some to the empty open-work 213 of passing through inside that its front end is formed, and makes houselights outwards appear.

And these second drive rod, 22 1 ends can be for screwdriver head is set, end also forms the drives structure 221 of a ball dentation in addition, the drives structure 211,221 of this second drive rod 22 and first drive rod 21 can be the engagement join after, utilizing this bundle covering 30 to be overlapped covers, this bundle covering 30 has rigidity and plasticity concurrently, and its inner and outer circumferential surfaces also forms wavy concaveconvex structure, so can make this body of rod 20 can make the function that angle bending is used firmly with solid, the combination of these two pivoted arms, 21,22 bundles.

This lighting device 40 is made up of members such as a bulb 41, operating key 42, battery 43 and electric conductors 44, wherein, this bulb 41 is located at this accommodation space 212 front ends, this battery 43 and electric conductor 44 etc. are located at this accommodation space 212 inner edges, this operating key 42 then is located between this bulb 41 and the battery 43, by the regulation and control of this operating key 42, can make this bulb 41 produce light, screwdriver is possessed the function of illumination.

Utilize drives structure 211,221 engagement of these first,

second drive rod

21,22 1 ends to articulate, behind the Shu Gu, not only can make this body of rod 20 possess the use effect that unspecified angle turns, locatees, simultaneously, because the setting of this lighting device 40 more can make the use of screwdriver have more practicality.

In addition, please consult Fig. 3, shown in Figure 4 again, this bundle covering 30 of the utility model is on structural design, also can be the fixing L type shape of rigidity, make this at right angles mutual socket of shape of two

drive rod

21,22, and then can make this body of rod 20 can turn the spiral shell spare of position, dead angle, so, it turns efficient and quality, and also to commonly use creation better.

Moreover, extremely shown in Figure 7 as Fig. 5, be another most preferred embodiment of the utility model, its drives structure 211,221 with this first drive rod 21 and second drive rod 22 forms the step shape structure that has concave surface portion 231 and convex surface part 232 simultaneously respectively, wherein, respectively the external end edge of this convex surface part 232 is formed with tooth portion 233, and the external end edge of this concave surface portion 231 is formed with tooth portion 233, these concave surface portion 231 internal faces then are drilled with a containing hole 234, can be wherein ccontaining for an elastomer 51 and top product 52 in this containing hole 234.

This two concave surfaces portion 231 and convex surface part 232 be splice mutually after, solid by a pivot 53 pivots, and when pivot is solid, make this two tops product 52 pulled by elastomer 51 tops.And respectively with the engagement contact in its corresponding tooth portion 233, make this body of rod 20 can do the angle bending of different structure kenel, and when it does the angle turnover, and can utilize the location of top product 52 and angle that it is curved is better firm.

In sum, when these body of rod 20 desires are made straight line attitude driving spiral shell spare, system can be set in the bundle covering 30 that is straight tube-like the outer rim that this two

drive rod

21,22 joins, these bundle covering 30 special features are that it can utilize the solid mode card of spiral shell to establish, be positioned on this two drive rod 21,22 (as shown in Figure 6), make this bundle covering 30 when screwdriver uses, this location of unlikely any disengaging.

Claims

1. the improvement structure of a practical screwdriver comprises a body of rod and lever, one lighting device is set respectively and turns structure at this body of rod and lever appropriate location, it is characterized in that:

This body of rod comprises one first drive rod and second drive rod, this first drive rod, one end and this lever socket, and the drives structure of holding formation one ball dentation in addition, and this end appropriate location with this lever socket, expansion forms the accommodation space of an inner edge hollow, this lighting device setting wherein, simultaneously, this accommodation space front end forms some open-works;

2. the improvement structure of practical screwdriver according to claim 1 is characterized in that this lighting device is made up of a bulb, operating key, battery and electric conductor, is arranged in regular turn in this accommodation space respectively.

3. the improvement structure of practical screwdriver according to claim 1 is characterized in that the interior outer rim side face of this bundle covering forms wavy concaveconvex structure.

4. the improvement structure of practical screwdriver according to claim 1 is characterized in that this this bundle covering is the L type shape of solid form, the rectangular shape socket of this two drive rod.

5. the improvement structure of practical screwdriver according to claim 1, the drives structure that it is characterized in that this first drive rod and second drive rod, form the step shape structure of tool concave, convex face respectively, wherein, form a tooth portion at the convex surface ora terminalis, the concave surface place then is drilled with one and holds the hole, one elastomer and steel ball are wherein ccontaining, and the concave, convex face of this two drive rod splices mutually and establishes, and solid by a pivot pivot, simultaneously, this two steel ball be subjected to elastomer top pull and respectively contact in corresponding tooth portion separately.

6, the improvement structure of practical screwdriver according to claim 5 is characterized in that also comprising a bundle covering, and this bundle covering spiral shell is positioned at this second drive rod appropriate location if collar card is established.