CN2070666U

CN2070666U - Joint for screwdrivers

Info

Publication number: CN2070666U
Application number: CN 90208155
Authority: CN
Inventors: 黄振利
Original assignee: Individual
Current assignee: Individual
Priority date: 1990-06-01
Filing date: 1990-06-01
Publication date: 1991-02-06

Abstract

The utility model provides a joint for screwdrivers. An upper and a lower pivot joint are tubular and the lower pivot joint is in hexagonal perforating shape. The device is characterized in that a groove is arranged in the inwall of the two relative edges of the lower pivot joint; a U-shaped elastic element is held in the interior of the lower pivot joint; the bottom face of the elastic element is stick to the roof of the lower pivot joint; the two flanks of the elastic element with indent lean against the interior of the groove of the lower pivot joint. Therefore, the elastic element can be positioned in the lower pivot joint simply and stably, meanwhile, the screwdriver clamped by the two flanks of the elastic element can not get loose.

Description

Screwdriver connector

The utility model relates to a kind of joint, more precisely, is meant that a kind of manufacturing cost that makes reduces, and more can make the screwdriver connector of bottle opener firm engagement simultaneously.

Habitual screwdriver connector is shown in figure A, B, be to be after becoming to have the pipe shape of upper and lower pivot connector (1), (2) with metal forging, again in one circular groove of inwall car system (3) of following pivot connector (2), locate for turn (1), after then bottle opener (5) inserts this time pivot connector (2), utilize the screen resilience of this turn (4) this bottle opener (5) that can lock to be positioning states, can operate after then being engaged in pivot connector on this (1) with suitable mechanism, yet this being configured in the practical application is to find to have manyly not attain desirable defective and need to be resolved hurrily.

One, its width be difficult for to be grasped during this road circular groove (3) car system, if too little, then this turn (4) can't bearing, if too big, then turn can become flexible and can't strong fix to some extent.

Its two, this turn (4) is quite not convenient in the assembling work of this road circular groove (3) of bearing, costs the more time.

Its three, this turn (4) is if hold loosening positioning states, then bottle opener (5) can't firmly articulate, and influences the loosening of screw, even has the disadvantage generation of blocking dismantle the period of the day from 11 p.m. to 1 a.m.

Main purpose of the present utility model is to overcome the above-mentioned defective of prior art and a kind of screwdriver connector is provided, and it can one-shot forming when forging, and need not car system circular groove again, with the minimizing manufacturing cost.

Another purpose of the present utility model is to provide a kind of screwdriver connector, its be with flexible member as latch members, so assembling is most easy, and can make the bottle opener strong fix, more not the disadvantage that can block.

The utility model is a purpose again, tie up in a kind of screwdriver connector is provided, change at the bottom of the pivot joint of its this time of nationality pivot connector, and make this screwdriver connector can be fit to the character use of various high pressure impacts, the flexible member that also makes cooperation can use for a long time and be difficult for deformation failure.

For this reason, according to a kind of screwdriver connector of the present utility model, be on having, the tubular of following pivot connector, wherein this time pivot connector system to be hexagonal poroid, it is characterized in that: this time pivot connector is provided with groove in two relative edges' inwall wherein, answer bearing one U type flexible member in this time pivot connector, the bottom surface of this flexible member fits in the roof of this time pivot connector, the two sides of this flexible member then slightly are indent and are posted by in the groove of this time pivot connector, mat it, this flexible member can be simple and easy and firmly be positioned in this time pivot connector, and simultaneously, bottle opener can be by the two sides clamping of this flexible member and unlikely getting loose.

The technology that relevant the utility model adopted, means and effect thereof are lifted after a most preferred embodiment and conjunction with figs. be described in more detail in now, believe the above-mentioned purpose of the utility model, structure and feature, can obtain thus deeply and concrete understanding.

Figure 1A, B are the stereogram and the cutaway view of habitual screwdriver.

Fig. 2 is the exploded perspective view of the utility model one most preferred embodiment.

Fig. 3 is the assembled sectional view of most preferred embodiment of the present utility model.

Fig. 4 is the exploded perspective view of another most preferred embodiment of the utility model.

See also shown in each figure, the utility model screwdriver connector (10) is with metal forging moulding (seeing also shown in Figure 2), on it, the lower surface respectively is provided with pivot connector on (11) and reaches pivot connector (12), this time pivot connector (12) wherein within two relative edges wall groove (13) (14) is set, pivot connector (11) separates this time pivot connector (12) with being somebody's turn to do upward with its roof (13), wherein a formed planar base surface of longer opposite side (a) (121) of this time pivot connector (12) is for plane, then forms an acclivitous inclined-plane (122) respectively along the both sides, long limit of this planar base surface (121);

This flexible member (20) is to be " U " type, and its section can rounded shape or other different shapes, its end face (21) is slightly larger than the length of this time pivot connector (12) two opposite side, its two sides (22) (23) then slightly are indent, and its width just is equal to or slightly less than the width of this time pivot connector (12) groove (13) (14);

Secondly, again operating principle conjunction with figs. of the present utility model is described in detail as after, so that further cognition and understanding can be arranged to structure of the present utility model and feature, please cooperate Fig. 2, shown in Figure 3, when assembling, this flexible member (20) is that bearing is in the following pivot connector (12) of this screwdriver connector, at this moment, the end face (21) of this flexible member (20) is posted by the planar base surface (121) of this time pivot connector (12), two sides (22) (23) then are posted by on the inwall of this time pivot connector (12) two grooves (13) (14), because the length of this end face (21) is slightly larger than this time pivot connector (12) two relative edges' length, so two ends are also restrained and are made the middle part slightly be depression, easy speech, because the screen resilience of this depressed deformation, the two ends that make this flexible member (20) be able to its end face (21) are held in the inwall of this time pivot connector (12) and the position of roof handing-over, so it can be firm, when bottle opener (30) is desired to be articulated in the following pivot connector (12) of this screwdriver, the strength of its insertion makes two faces (22) of this flexible member (20), (23) slightly be distortion, then this screen resilience is able to clamping bottle opener (30) and is positioning states, yet, because of the two side ends of this time pivot connector (12) bottom surface system forms the face (122) that is inclined upwardly respectively, so when bottle opener (30) is inserted this time pivot connector (12), system (as Fig. 3 is just withstood by ramped bottom surface (122) peak of this time pivot connector (12), side view A, shown in the B), make the end face (21) of flexible member (20) directly not contact with bottle opener (30), compressing, and be separated with a little spacing (b) (this moment shell fragment both sides still have clamping action) mutually, be not cause flexible member (20) to damage because of easy deformation; And effect by this, make this screwdriver connector more can bear intermittent bump pressure (as pneumatic tool, percussion tool) or continuity bump pressure (as electric tool or Quick-rotating tool) and use under various conditions with high pressure shock feature that (if habitual screwdriver connector is when being used for impacting with high pressure and using, all must on reed, install again a pad can), in other words, make that the scope of application of this screwdriver connector is wider and have more practicality, and really can save the maintenance of its grade, hyperphoric expense, be a splendid design really.

The exploded perspective view of another most preferred embodiment of the present utility model shown in Figure 4, wherein inwall two grooves (13) (14) of above-mentioned screwdriver connector also can make be set as down pivot connector (12 ') two relative edges (12a) adjacent both sides (12c) (12b) (12d) (12e) (12f) extended be arranged with groove (13 ') (14 '), generally be a trapezoidal shape or can be one rectangular-shapedly, and the flexible member that is mated (20 ') is also to insert with above-mentioned same method; So, by the change of this groove (13) (14), and can make its process more easy, and make this flexible member (20) have interchangeability and more flexible, easy in using.

Advantage of the present utility model is sorted out as follows:

1. each member manufacturing and assembling are all quite simple and easy, can reduce manufacturing cost.

2. bottle opener can strong fix and can not got loose.

3. do not have the fraud of blocking when bottle opener takes out.

4. this flexible member has interchangeability and is not limited to a type, so its application is more flexible, simple and practical.

5. this screwdriver connector can bear various high pressure or continuity impact, and the scope of application is wider.

6. the bottom surface of this flexible member does not directly contact with bottle opener, is difficult for deformation failure so elasticity can not be used for a long time.

In sum, screwdriver connector of the present utility model, it is able to the design of simple innovation structure, and is enough to solve many shortcomings of habitual product, so practicality of the present utility model should be unquestionable; In addition, the disclosed structure of this case utility model embodiment does not see all publications before the application, also not public use has the fact of as above promoting effect again in addition, so, novelty of the present utility model and creativeness all meet again, propose the application of utility model patent in accordance with the law.

Just, above-described flexible member, but only be the best embodiment of the present utility model, change so use the equivalent structure of the utility model specification and claims such as, ought to think to be included in the claim of the present utility model.

Claims

1. a screwdriver connector is the tubular with upper and lower pivot connector, wherein this time pivot connector system to be hexagonal poroid.Its feature ties up in: this time pivot connector in two relative edges' inwall wherein groove is set, answer bearing one U type flexible member in this time pivot connector, the bottom surface of this flexible member is posted by the roof of this time pivot connector, the two sides of this flexible member then slightly are indent and are posted by in the groove of this time pivot connector, mat it, this flexible member can be simple and easy and firm be positioned in this time pivot connector, simultaneously, bottle opener can be by the two sides clamping of this flexible member and unlikely getting loose.

2. screwdriver connector as claimed in claim 1, it is characterized in that, wherein the formed bottom surface of longer opposite side of this time pivot connector is plane, both sides, long limit along this planar base surface then form an acclivitous inclined-plane respectively, be with when carrier (as bottle opener) is inserted this time pivot connector, because of being that peak by the both sides ramped bottom surface of this time pivot connector withstands, so this screwdriver connector can be adapted at using under the various conditions with high pressure shock feature, this flexible member can be used for a long time and be difficult for deformation failure.

3. screwdriver connector as claimed in claim 1 or 2 is characterized in that: wherein the section of this flexible member can be toroidal.

4. screwdriver connector as claimed in claim 1 is characterized in that: wherein this inboard wall groove also can be made the adjacent both sides that are set as down pivot connector two relative edges and extends and be arranged with, and generally is a trapezoidal shape or can be one rectangular-shaped.