CN2405707Y

CN2405707Y - Screw-driver with impacting function

Info

Publication number: CN2405707Y
Application number: CN 99256911
Authority: CN
Inventors: 朱德城; 黎炳奎
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-12-15
Filing date: 1999-12-15
Publication date: 2000-11-15
Anticipated expiration: 2009-12-15

Abstract

The utility model relates to a screw driver with an impacting function, which comprises a screwdriver handle, an outer pipe and a screwdriver head sheathed on the outer pipe. A containing part is formed in the handle, and a through hole is formed in the containing part; a first and a second containing chambers are respectively on both sides of the through hole; the interior of the second are containing chamber is provided with a pushing block and a strong spring; the pushing block is provided with a concave hole, and the pushing block and the strong spring are fixed to the bottom of the handle through a sleeve block; the first containing chamber is threaded through a sleeve hole in the top end of the screwdriver handle, and the interior of the first containing chamber is provided with a sloping pushing block. In the structure of the utility model, the screwdriver head is interlocked by using the bounce and the impact of the strong spring for the pushing block to impact a work piece, and accordingly, a rusted screw can be more easily rotated.

Description

Screwdriver with impact function

The utility model relates to a kind of screwdriver, relates in particular to a kind of screwdriver with impact function.

As everyone knows, screwdriver is to use the most general instrument, yet general screwdriver in use, and regular meeting produces following drawback.

When utilizing screwdriver to unclamp screw, it is of a specified duration excessively that coping screw screws togather state sometimes, because of humidity is got rusty, can make screw be difficult for being changeed pine.The user is for will solve this type of problem, generally all can directly take youth's head bang screw, be utilized screwdriver that it is unclamped again, must utilize two instruments simultaneously like this so that its rust bits come off to become flexible, operation is trouble and unactual quite, and is especially quite inconvenient especially concerning the user who works outside.

In view of this, this creator is based on being engaged in the many years of experience that this series products is made, and through the permanent research and experiment of making great efforts, development and Design goes out the utility model finally, with Jiahui consumer and industry.

The purpose of this utility model is, a kind of screwdriver with impact function is provided, and makes screwdriver can bestow the strength of impact in use simultaneously to screw, and the screw that gets rusty can more easily be rotated.

Another purpose of the present utility model is, a kind of screwdriver with impact function is provided, and makes its convenience that has practicality and use concurrently, quite meets the value of industrial circle.

The purpose of this utility model is realized by following technical scheme.

A kind of screwdriver with impact function, comprise Screwdriver handle, outer tube and be sheathed on the screwdriver head of outer tube, the inner holding part that forms of described lever, be formed with a through hole in the holding part, these through hole both sides are formed with first respectively, two accommodation chambers, supply to be provided with a jacking block and a brute spring in this second accommodation chamber, this jacking block is provided with a shrinkage pool, and utilize a cover piece jacking block and brute spring to be fixed to the bottom of lever, and first accommodation chamber runs through the trepanning in the Screwdriver handle top, the first accommodation chamber content is provided with oblique jacking block, and this oblique jacking block is to establish by the oblique card of a spring to form, and oblique jacking block is detained pull on the inwall of first accommodation chamber; Be provided with a hollow bulb in the middle of the described outer tube, the bottom of this outer tube is for the trepanning place that secures to Screwdriver handle, and the interior ccontaining fore-set of hollow bulb is subjected to the top to pull and connect by screwdriver head and drives fore-set and oblique jacking block, relends by oblique jacking block button top jacking block to drop down onto in the shrinkage pool.Reach the rebounce interlock screwdriver head that jacking block is subjected to brute spring workpiece is implemented to impact, make that the screw that gets rusty is easier to be rotated.

The purpose of this utility model can also further realize by following technical measures.

Described screwdriver with impact function, when this single hand-held tool uses, can give fore-set, outer tube and screwdriver head one-body molded and be a screwdriver head body, and utilize the set button piece in screwdriver head body bottom to be fixed in first accommodation chamber, the structure by oblique jacking block and jacking block, spring reaches the purpose of impacting the screw that gets rusty equally.

For further understanding technology contents of the present utility model, characteristics and effect, exemplify following preferred embodiment now, and conjunction with figs. is described in detail as follows:

Fig. 1 is a decomposition texture schematic diagram of the present utility model.

Fig. 2 is a combining structure profile of the present utility model.

Fig. 3 is the profile that the utility model phase I uses structure.

Fig. 4 is the profile that the utility model second stage is used structure.

Fig. 5 is a schematic appearance of the present utility model.

Fig. 6 is another embodiment profile of the present utility model.

See also Figure 1 and Figure 2, the utility model mainly comprises a bottle opener lever (10), outer tube (20) and screwdriver head (30), the inside of this lever (10) forms a holding part (11), because of being provided with relation, the position do not show in the drawings), see also shown in Figure 2, form a through hole (12) in this holding part (11), the both sides of this through hole (12) are formed with first respectively, two accommodation chambers (121), (122), and a jacking block (13) and a brute spring (14) are set in this second accommodation chamber (122), this jacking block (13) is provided with a shrinkage pool (131), the aperture of this shrinkage pool (131) is less than the aperture of through hole (12), and can utilize a cover piece (15) to give the bottom that fit is fixed to lever (10), and first accommodation chamber (121) runs through the vertical trepanning (101) in Screwdriver handle (10) top, and be provided with oblique jacking block (16) in first accommodation chamber (121) content, this oblique jacking block (16) is to give oblique card by a spring (17) to establish and form, and oblique jacking block (16) is detained pull on the inwall of first accommodation chamber (121).

Also be provided with the outer tube (20) of a tool hollow bulb (21), the bottom of this outer tube (20) is located for the trepanning (101) that secures to Screwdriver handle (10), and a ccontaining fore-set (22) in the hollow bulb (21), this hollow bulb (21) top is for a sheathed screwdriver head (30), so constitute overall structure of the present utility model, as shown in Figure 5.

Please consult shown in Figure 3 again, the utility model is not when using, its screwdriver head (30) is to be set at fore-set (22) in the outer tube (20) to push up and pull, and the in addition end of fore-set (22) also by chance the top pulls on the prism of oblique jacking block (16), and pull by the oblique top of oblique jacking block (16) oblique jacking block (16) is limited in first accommodation chamber (121).

When using the utility model, it can be set in screwdriver head (30) on the screw of desiring to unclamp that gets rusty, this moment is again to pressing down, press down owing to screwdriver head (30) is stressed and to make and also can be pressed down simultaneously, and move down along the inwall of first accommodation chamber (121) with the fore-set (22) of its interlock and the oblique jacking block (16) in first accommodation chamber (121).Along with screwdriver head (30) when continuing to be pressed down, its oblique jacking block (16) is extruded and falls into through hole (12) and withstand on the jacking block (13), makes oblique jacking block (16) be tight against jacking block (13) again along with pressing down again of screwdriver head (30) this moment and resists the elastic force of brute spring (14) and move down.Along with the increase that presses down strength, when oblique jacking block (16) pressed down a segment distance, its oblique jacking block (16) can fall in the shrinkage pool (131) of jacking block (13), sees also shown in Figure 4.

Therefore by the deep hole distance of shrinkage pool (131), can make jacking block (13) be subjected to the elastic restoring force effect of brute spring (14) and the oblique jacking block (16) of up rushing to summit, and by the interlock of fore-set (22) and bestow (30) screws that upper punch strength is got rusty with impact of screwdriver head, and make fore-set (22) and oblique jacking block (16) are returned to original position, the screw rust bits that get rusty are come off, reach the effect that commentaries on classics is easily loosened the screw a little.

Please consult shown in Figure 6ly again, the purpose that the utility model is provided with outer tube (20) is mainly used to cooperate different bottle opener (30) to reach the purpose of colliding the screw that gets rusty; And when using as single hand-held tool, it also can be as shown in Figure 6, give fore-set (22), outer tube (20) and screwdriver head (30) one-body molded and constitute a screwdriver head body (31), and utilize the set button piece (32) in screwdriver head body (31) bottom to be fixed within first accommodation chamber (121), the structure by oblique jacking block (16) and jacking block (13), brute spring (14) reaches the effect of impacting the screw that gets rusty equally.

In a word, the utility model overcomes in use fully commonly uses the drawback that screwdriver has, and can have the value on the industry really so that the utility model is firm more and have more practicality.

Now that summary of benefits of the present utility model is as follows:

The utility model in use, can exercise the function that general screwdriver locking screw is loosened the screw a little, meet and get rusty or during the difficult screw that rotates, then can press down the utility model, and reach the effect of one-shot by depression distance, fail effectively to make when one-shot in the rust bits come off, then can repeatedly press down and produce the purpose that impact repeatedly comes off to reach the rust bits, thus use quite convenient.

In addition, the utility model does not need additionally to utilize youth's head in use again, saves the number of tools that the user carries yet, and greatly improves its practicality, and quite consumer's use is seen.

In sum, the utility model is on structural design, practicality and cost benefit, really be that to meet industry development fully required, and disclosed structure also is to have unprecedented innovative structure, it had not both seen any publication, and also had no on the market any similar product, so have novelty.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment does.

Claims

1, a kind of screwdriver with impact function, it is characterized in that, comprise Screwdriver handle, outer tube and be sheathed on the screwdriver head of outer tube, the inner holding part that forms of described lever, be formed with a through hole in the holding part, these through hole both sides are formed with first respectively, two accommodation chambers, supply to be provided with a jacking block and a brute spring in this second accommodation chamber, this jacking block is provided with a shrinkage pool, and utilize a cover piece jacking block and brute spring to be fixed to the bottom of lever, and first accommodation chamber runs through the trepanning in the Screwdriver handle top, the first accommodation chamber content is provided with oblique jacking block, this oblique jacking block is to establish by the oblique card of a spring to form, and oblique jacking block is detained pull on the inwall of first accommodation chamber; Be provided with a hollow bulb in the middle of the described outer tube, the bottom of this outer tube supplies to secure to the trepanning place of Screwdriver handle, a ccontaining fore-set in the hollow bulb.

2, the screwdriver with impact function according to claim 1, it is characterized in that, when described single hand-held tool uses, can give fore-set, outer tube and screwdriver head one-body molded and be a screwdriver head body, and utilize the set button piece in screwdriver head body bottom to be fixed in first accommodation chamber.