CN202021590U - Electric hammer - Google Patents

Abstract

The utility model provides an electric hammer, which comprises a shell provided with a holding part and a head part. A nail hitting device is installed on the head part. A motor, a transmission mechanism driven by the motor and an impacting assembly are arranged in the shell, and an impacting part of the impacting assembly periodically impacts a hitting shaft of the nail hitting device. The holding part is provided with a first longitudinal axis, the nail hitting device is provided with a second longitudinal axis, and the first longitudinal axis is perpendicular to the second longitudinal axis. A nail puller is also included, the nail puller comprises a fixing part and a nail pulling part, and a space for containing a nail head is arranged between the nail pulling part and the shell. The nail puller is integrated with the electric hammer, on the occasions of pulling nails, a user can directly utilize the nail puller on the electric hammer without taking trouble and time to look for a new nail pulling tool.

Description

Electronic hammer

Technical field

The utility model relates to a kind of electric tool, particularly relates to the electronic hammer that a kind of energy realization impacts securing members such as nails.

Background technology

Electronic hammer is a kind of hand-held tool commonly used, and it is of a great variety.According to power source, electronic hammer can be divided into pneumatic and electronic two big classes.Wherein, pneumatic electronic hammer must have compressed air source in addition, therefore uses limited.The basic structure of electronic hammer can reduce: the motor that is placed in the rifle body is connected with the nail hitting bar that is placed in rifle head place by rotation-rectilinear motion transmission mechanism, thereby can convert electrical energy into reciprocating mechanical energy under switch control.

Number of patent application is that 200410088827.9 Chinese patent application discloses and a kind ofly by pinion and rack the motor rotation is converted to the active force of compression spring earlier, relends and helps tripping mechanism to discharge the compression spring, thereby produce the electronic hammer of impulsive force.Though this electronic hammer utilizes spring energy-storage, realized the moment of nail is impacted, but can only click one by one, can't impact continuously, and only not high by the release energy impact force efficient that produces of spring, cause this electronic hammer to be not suitable as conventional instrument and often use.

And electronic hammer of the prior art does not have the nail pulling function, in the needs nail pulling, be equipped with special nail pulling instrument, and is very inconvenient.

Summary of the invention

Shortcoming at above-mentioned prior art exists the utility model proposes a kind of electronic hammer with nail pulling function.

In order to reach above purpose, the technical solution of the utility model is: a kind of electronic hammer comprises: casing, have grip part and head, and be mounted with nail hitting unit on the described head; Be contained in motor in the casing, by motor-driven transmission mechanism and impact assembly, the impact part of described impact assembly is periodically impacted impacting on the axle at described nail hitting unit; Described grip part has first longitudinal axis, and described nail hitting unit has second longitudinal axis, and described first longitudinal axis is vertical in fact with described second longitudinal axis; Also comprise nail extractor, described nail extractor comprises nail pulling portion and fixed part, be provided with between described nail pulling portion and the described casing can the ccontaining head of a nail the space.

Further, described nail extractor is arranged on described casing head.

Further, described nail pulling portion is provided with V-shaped part.

Further, described V-shaped part is towards the direction of described nail hitting unit.

Further, described nail extractor also comprises fixed part, and described fixed part has the bigger size than described nail pulling portion.

Further, the material of described nail extractor is different from the material of described casing.

Further, described nail extractor adopts metal material.

By adopting the accessible useful technique effect of above technical scheme to be:

1) because, electronic hammer is the most general with the occasion that securing members such as nail combine operation, nail extractor is attached on the electronic hammer can brings a lot of facilities undoubtedly, particularly deflected to extract the time when nail, directly utilize on the electronic hammer nail extractor to extract and need not many expenses twists and turns again and the time goes for the apparatus of seeking new nail pulling.

2), nail extractor is arranged on the casing head, and V-shaped part is towards the direction of nail hitting unit, and when being used to pull out a nail, the handle of nail is held in the V-shaped part, and grab handle is as the lever of exerting oneself, and the casing head is a fulcrum, can at an easy rate nail be extracted from the workpiece base material.

Description of drawings

Fig. 1 is the stereogram of electronic hammer of the present utility model;

Fig. 2 is that electronic hammer demonstrates its in-built schematic diagram after removing half casing among Fig. 1;

Fig. 3 is the vertical view of Fig. 1;

Fig. 4 is the schematic diagram of electronic hammer of the present utility model when being used for nail pulling;

Fig. 5 is a kind of mode schematic diagram that nail extractor is installed on the electronic hammer;

Fig. 6 is the another kind of mode schematic diagram that nail extractor is installed on the electronic hammer;

Fig. 7 is another mode schematic diagram that nail extractor is installed on the electronic hammer.

The specific embodiment

Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.

As shown in Figure 1, stereogram for electronic hammer 1, electronic hammer 1 comprises casing 3, casing 3 is involuted by the two halves housing, its main part forms the grab handle 31 of a longitudinally, and the switch 6 that is used to control the motor start and stop in the casing 3 is installed on grab handle 31 positions, and the lower end of casing 3 is equipped with dc-battery bag 5, upper end head 32 places of casing 3 have rifle mouth portion 4, and rifle mouth portion 4 is equipped with the nail hitting unit 7 that is used to impact securing members such as nail.Grab handle 31 has first longitudinal axis Z 1, and it is vertical in fact with second longitudinal axis Z 2 that nail hitting unit 7 has second longitudinal axis Z, 2, the first longitudinal axis Z 1;

In the present embodiment, power brick 5 essentially coaxially is provided with the adjacent place of the housing of power brick 5 and casing 3, the outer surface smoother adjacency of the two with grab handle 31, at least a portion of power brick 5 is inserted in the casing 3, makes that the connection between power brick 5 and the casing 3 is more firm; In other embodiments, the also parallel or vertical setting of the longitudinal axis direction of grab handle 31 relatively of the power brick 5 of the electronic hammer of the utility model; Also be not limited to the power supply of dc-battery bag, can adopt Alternating Current Power Supply.

As shown in Figure 2, be electronic hammer 1 internal structure schematic diagram, be mounted with motor 2 in the casing 3, rotatablely moving of motor 2 changes percussion action to nail hitting unit 7 into by transmission mechanism, but nail hitting unit 7 comprise a linear reciprocating motion impact the axle 9, but transmission mechanism comprises the gear drive part 10 of vertical duction and is used to impact the impact assembly 8 that impacts axle 9 in the nail hitting unit 7, the impact part of impacting assembly 8 periodically impacts the quilt that impacts axle 9 continuously and impacts on the part, thereby the front end that impacts axle 9 periodically impacts on securing members such as nail continuously, and final the realization little by little knocked workpiece into to be processed with nail.

Can also be provided with nail extractor on the electronic hammer 1 of the present utility model, in conjunction with Fig. 3 and Fig. 4, the 30a of nail pulling portion that nail extractor 30 is used for nail pulling in the present embodiment gives prominence to outside casing 3, certainly, in other embodiments, the 30a of nail pulling portion of nail extractor also can with casing 3 concordant (not shown), be provided with the space of the ccontaining head of a nail between 30a of nail pulling portion and the casing 3.Have V-shaped part 301 on the nail extractor 30, preferably, nail extractor 30 is arranged on the casing head 32, V-shaped part 301 is towards the direction of nail hitting unit 7, be used to pull out a nail at 40 o'clock, the handle of nail 40 is held in the V-shaped part 301, and grab handle 31 is as the lever of exerting oneself, casing head 32 is a fulcrum, and nail 40 is extracted from workpiece base material 50.

Referring to Fig. 5 to Fig. 7, nail extractor 30 is fixed on the body of electronic hammer 1 by its fixed part 30b, the intensity that is connected and fixed for increase, preferred fixed part 30b has the bigger size of the relative nail pulling 30a of portion, as seen in Fig., fixed part 30b has the longer length than the 30a of nail pulling portion, in other embodiments, also fixed part 30b can be arranged to have than the 30a of nail pulling portion wideer width.Fixed part 30b can be fixed in the casing 3, also can be fixed on outside the casing 3, and perhaps, fixed part 30b and casing 3 are integrally formed, at this integrally formed part place inserts metal reinforced (not shown) is arranged.

In the present embodiment, casing 3 adopts plastic material, and for increasing the intensity and the durability of nail extractor 30, nail extractor 30 preferred employings are different from the material of casing 3, and select metal material for use.

Because, electronic hammer 1 is the most general with the occasion that nail 40 securing members such as grade combine operation, nail extractor 30 is attached on the electronic hammer 1 can brings a lot of facilities undoubtedly, particularly deflected to extract the time when nail 40, directly utilize on the electronic hammer 1 nail extractor 30 to extract and need not many expenses twists and turns again and the time goes for the apparatus of seeking new nail pulling.

The electronic hammer that the utility model disclosed is not limited to the structure of content described in the above embodiment and accompanying drawing representative; such as; nail extractor on the electronic hammer can also be arranged to be connected on the casing slidably; or casing is folding relatively; also can be when using the nail extractor state; the nail pulling portion of nail extractor protrudes in outside the casing; and when non-use nail extractor state; nail extractor is at least in part by in the indentation casing; nail extractor can also be arranged to magnetic; in a word, on basis of the present utility model to the wherein shape of member and the conspicuous change that the position is done; substitute or revise, all within the claimed scope of the utility model.

Claims (6)

1. electronic hammer comprises:

Casing has grip part and head, is mounted with nail hitting unit on the described head;

Be contained in motor in the casing, by motor-driven transmission mechanism and impact assembly, impacting on the axle at described nail hitting unit partly impacted in the impact of described impact assembly;

Described grip part has first longitudinal axis, and described nail hitting unit has second longitudinal axis, and described first longitudinal axis is vertical in fact with described second longitudinal axis;

It is characterized in that: also comprise nail extractor, described nail extractor comprises nail pulling portion and fixed part, be provided with between described nail pulling portion and the described casing can the ccontaining head of a nail the space.

2. electronic hammer according to claim 1 is characterized in that: described nail extractor is arranged on described casing head.

3. electronic hammer according to claim 2 is characterized in that: described nail pulling portion is provided with V-shaped part.

4. electronic hammer according to claim 3 is characterized in that: described V-shaped part is towards the direction of described nail hitting unit.

5. electronic hammer according to claim 1 is characterized in that: the material of described nail extractor is different from the material of described casing.

6. electronic hammer according to claim 5 is characterized in that: described nail extractor adopts metal material.

Images