CN201659549U

CN201659549U - Electric hammer quickly clamping mechanism

Info

Publication number: CN201659549U
Application number: CN2010201258982U
Authority: CN
Inventors: 陈亮
Original assignee: Nanjing Chervon Industry Co Ltd
Current assignee: Nanjing Chervon Industry Co Ltd
Priority date: 2010-03-05
Filing date: 2010-03-05
Publication date: 2010-12-01
Anticipated expiration: 2020-03-05

Abstract

The utility model provides an electric hammer quickly clamping mechanism, which is movably mounted on a striking head portion of an electric hammer and comprises an outer sleeve and at least two clamping parts. The outer sleeve is provided with a first position and a second position opposite to the striking head portion, the first position retracts towards the inside of the striking head portion, the second position extends out of the striking head portion, and the outer sleeve can move between the first position and the second position. The clamping parts are arranged inside the outer sleeve, an inclined angle is arranged between each clamping part and the axis of the outer sleeve, and the clamping parts are directly or indirectly driven by the outer sleeve. When the outer sleeve moves between the first position and the second position, the clamping parts can move between clamping positions and loosening positions along the inclined angle directions. The electric hammer quickly clamping mechanism converts axial movement of the outer sleeve into the movement of the clamping parts with the inclined angle axially with the sleeve along the inclined angle directions so as to realize the clamping positions and the loosening positions of the clamping parts, realize clamping and releasing of fastening parts such as a nail and the like, and has the advantages of simple structure, convenient realization and operation, and firm clamping.

Description

The fast clamp mechanism of electronic hammer

Technical field

The utility model relates to field of power tools, and specifically relating to a kind ofly provides power by beating unit, makes nail or other tightening members enter the electronic hammer of base material.

Background technology

Electronic hammer is an electric tool of securing members such as nail being squeezed into gradually base material by the reciprocating motion of beating unit, nail is being impacted in the process, need the clamping device clamping, existing clamping device is made up of claw, spring or the chuck etc. of clamping element one or each combination usually, for making securing members such as nail throw base material fully into, clamping device can move between the position that clamps nail and release nail by a bias unit; But existing clamping device still exist clamp not strongly by or mechanism's more complicated, the compact greatly inadequately defective such as small and exquisite of volume.

Summary of the invention

At the deficiency that above-mentioned prior art exists, the utility model provides the fast clamp mechanism of electronic hammer of a kind of good clamping effect, compact conformation.

For solving above technical problem, the utility model by the following technical solutions:

The fast clamp mechanism of a kind of electronic hammer, it is installed in electronic hammer movably and impacts on the head, comprising:

The above-mentioned relatively head that impacts of outer sleeve, outer sleeve has primary importance of withdrawing and the second place of stretching out outside impacting head in impacting head, outer sleeve can move between the described primary importance and the second place.

At least two clamping elements, clamping element places in the described outer sleeve and is an inclination angle with the outer sleeve axis direction and is provided with, clamping element is directly or indirectly driven by outer sleeve, when outer sleeve was mobile between the primary importance and the second place, described clamping element can move between released position and clamped position along described inclination direction.

By adopting above technical scheme, can realize following beneficial technical effects:

The utility model changes into quill to the clamping element that is an inclination angle along moving on its inclination direction by moving axially of outer sleeve, thereby make clamping element have clamped position and released position, realization is to the clamping or the release of securing members such as nail, and is simple in structure, is convenient to realize; Easy to operate, clamping is firm.

Description of drawings

Fig. 1 is a kind of electronic hammer schematic diagram that has the fast clamp mechanism of the utility model;

Fig. 2 is the assembly exploded perspective view of the fast clamp mechanism embodiment one of the electronic hammer of the utility model;

Fig. 3 is a fast clamp mechanism internal structure schematic diagram in the embodiment one, and wherein, fast folder is in the nail state that clamps;

Fig. 4 is a fast clamp mechanism external view in the embodiment one, and wherein, fast folder is in the nail state that clamps;

Fig. 5 is a fast clamp mechanism internal structure schematic diagram in the embodiment one, and wherein, fast folder is in and discharges the nail state gradually;

Fig. 6 is a fast clamp mechanism external view in the embodiment one, and wherein, fast folder is in and discharges the nail state gradually;

Fig. 7 is a fast clamp mechanism internal structure schematic diagram in the embodiment one, and wherein, fast folder is in and discharges nail fully, and nail is squeezed into the state of workpiece fully;

Fig. 8 is a fast clamp mechanism external view in the embodiment one, and wherein, fast folder is in and discharges nail fully, and nail is squeezed into the state of workpiece fully.

Fig. 9 is second kind of embodiment schematic diagram of the fast clamp mechanism of the electronic hammer of the utility model.

The specific embodiment

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

As shown in Figure 1, schematic diagram for the electronic hammer that has the fast clamp mechanism 35 of the utility model, what electronic hammer main frame 30 mainly comprised fuselage 32 and placed fuselage 32 front ends impacts head 34, impacting head 34 includes hit piece and makes the reciprocating beating unit of hit piece, fuselage 32 inside are provided with motor and the transmission device (not shown) that drives beating unit, fuselage 32 forms substantially the grip part 31 vertical with impacting head 34, fuselage 32 is provided with the switch 33 that is used to control the motor start and stop, motor is by dc-battery bag or ac power supply, and the fast clamp mechanism 35 of electronic hammer is installed in electronic hammer movably and impacts on the head 34.

As shown in Figure 2, fast clamp mechanism embodiment one schematic diagram of electronic hammer of the present utility model:

Fast clamp mechanism mainly comprises following assembly: outer sleeve 4, inner sleeve 1, clamping element 2, pin 3 and fixed mount 5, in conjunction with Fig. 1 as can be known, the above-mentioned relatively head 34 that impacts of outer sleeve 4 has primary importance A that withdraws and the second place B that stretches out outside impacting head in impacting head, outer sleeve 4 can move between described primary importance A and second place B, the utility model also is provided with a biasing device, biasing device is arranged on and impacts in the head 34 and act on the outer sleeve 4, make the outer second place B that axially ejects of the fast folder of outer sleeve 4 trends, the preferred spring 11 of this biasing device;

At least two clamping elements 2, clamping element 2 of the present utility model is three, evenly arrange along circumferential 360 °, clamping element 2 places in the outer sleeve 4 and with outer sleeve 4 axis directions and is an inclination alpha setting, clamping element 2 is driven indirectly by outer sleeve 4, when outer sleeve 4 is mobile between primary importance A and second place B, clamping element 2 can move between released position C and clamped position D along above-mentioned inclination alpha direction, the incline direction of clamping element 2 is: clamping element 2 leading sections 21 are drawn close to the axle center, and clamping element rearward end 22 is away from the axle center;

Inner sleeve 1 is sleeved in the outer sleeve 4, and pass through a linkage structure by described outer sleeve 4 drives, and when outer sleeve 4 is mobile between primary importance A and second place B, inner sleeve 1 rotation one angle, described linkage structure is: open a skewed slot 7 on the outer sleeve 4, pin 3 can slide in skewed slot 7; Inner sleeve 1 is provided with pin-and-hole 8, thereby selling 3 interference is pressed in the inner sleeve pin-and-hole 8 and fixedlys connected with inner sleeve 1, when outer sleeve 4 axially-movables, pin 3 slides in skewed slot 7, thereby make inner sleeve 1 rotation, promptly sell 3 and skewed slot 7 actings in conjunction can make the axially-movable of outer sleeve 4 be converted into rotatablely moving of inner sleeve 1, those skilled in the art will readily appreciate that for the axially-movable that makes outer sleeve 4 and change into rotatablely moving of inner sleeve 1, the skewed slot 7 wherein and the set-up mode of pin 3 are not limited to preferred embodiment above-mentioned, and promptly skewed slot 7 is arranged on inner sleeve 1 and sells 3 and is arranged on and also can realizes the purpose of this utility model on the outer sleeve 4;

Inner sleeve 1 is threaded with clamping element 2, the inner surface of inner sleeve 1 has screw thread, the outer surface of clamping element 2 has screw thread, just in time the inner surface with inner sleeve 1 screws, when inner sleeve 1 rotation, but clamping element 2 axially-movables, because clamping element 2 and quill are to being an inclination alpha, realize moving radially of relative sleeve center simultaneously in clamping element 2 axially-movable processes, thereby reach released position C and clamped position D, clamping element 2 inner surfaces are used for clamping nail;

Fixed mount 5 in the form of a ring, its endoporus 15 can have fixing hole 6 by the hit piece 12 on the nail 9 of acting on of electronic hammer on the fixed mount 5, can slide through for clamping element 2, the shape in fixing hole 6 and clamping element 2 cross sections can guarantee that clamping element 2 does not rotate, and clamping is reliable.

Fig. 9 is the embodiment two internal structure schematic diagrames of the fast clamp mechanism of electronic hammer of the present utility model:

Fast clamp mechanism mainly comprises following assembly: outer sleeve 4, clamping element 2 and fixed mount 5, in conjunction with Fig. 1 as can be known, the above-mentioned relatively head 34 that impacts of outer sleeve 4 has primary importance A that withdraws and the second place B that stretches out outside impacting head in impacting head, outer sleeve 4 can move between described primary importance A and second place B, the utility model also is provided with a biasing device, biasing device is arranged on and impacts in the head 34 and act on the outer sleeve 4, make the outer second place B that axially ejects of the fast folder of outer sleeve 4 trends, the preferred spring 11 of this biasing device;

At least two clamping elements 2, clamping element 2 of the present utility model is three, evenly arrange along circumferential 360 °, clamping element 2 places in the outer sleeve 4 and with outer sleeve 4 axis directions and is an inclination alpha setting, one of clamping element 2 or outer sleeve 4 are provided with the protuberance 13 of vertical outer sleeve 4 axis, one of other being provided with correspondingly can be by the hole 14 of described protuberance 13, clamping element 2 is directly driven by outer sleeve 4, when outer sleeve 4 is mobile between primary importance A and second place B, clamping element 2 can move between released position C and clamped position D along above-mentioned inclination alpha direction, the incline direction of clamping element 2 is: clamping element 2 leading sections 21 are drawn close to the axle center, and clamping element rearward end 22 is away from the axle center;

Introduce the course of work of the fast clamp mechanism of the electronic hammer of the utility model below in conjunction with embodiment one:

Clip nail: apply external force to outer sleeve 4, outer sleeve 4 is withdrawn vertically press from both sides soon, drive inner sleeve 1 rotation and then clamping element 2 is withdrawn in fast folder by the

skewed slot

7 and 3 effects of selling, clamping element leading section 21 opens, and puts into nail 9; Discharge outer sleeve 4, outer sleeve 4 axially ejects under the biasing device effect, and then clamping element 2 tightens up clamping element leading section 21 clamping nails forward; (in conjunction with Fig. 2, Fig. 3, Fig. 4)

Nailing: after nail 9 parts entered workpiece 10, workpiece 10 promoted outer sleeves 4 and withdraws in fast folder gradually, and then rotation of inner sleeve 1 at this moment, thereby clamping element 2 in fast folder, withdraw, clamping element 2 unclamps nail 9 at leisure; (in conjunction with Fig. 2, Fig. 5, Fig. 6)

Nailing finishes: clamping element 2 can unclamp nail 9 gradually in the nailing process, squeezes into workpiece 10 fully up to nail 9.(in conjunction with Fig. 2, Fig. 7, Fig. 8)

Claims

1. fast clamp mechanism of electronic hammer, this fast clamp mechanism (35) is installed in electronic hammer movably and impacts on the head (34), it is characterized in that: comprise

Outer sleeve (4), the above-mentioned relatively head (34) that impacts of outer sleeve (4) has primary importance A that withdraws and the second place B that stretches out outside impacting head in impacting head, and outer sleeve (4) can move between described primary importance A and second place B;

At least two clamping elements (2), clamping element (2) places in the described outer sleeve (4) and with outer sleeve (4) axis direction and is an inclination alpha setting, clamping element (2) is directly or indirectly driven by outer sleeve (4), when outer sleeve (4) was mobile between primary importance A and second place B, described clamping element (2) can move between released position C and clamped position D along described inclination alpha direction.

2. electronic hammer clamp mechanism according to claim 1, it is characterized in that: also comprise inner sleeve (1), inner sleeve (1) is sleeved in the described outer sleeve (4), and drive by described outer sleeve (4) by a linkage structure, when outer sleeve (4) is mobile between primary importance A and second place B, inner sleeve (1) rotation one angle.

3. the fast clamp mechanism of electronic hammer according to claim 2, it is characterized in that: described linkage structure is included in the skewed slot (7) that has on one of described inner sleeve (1) or described outer sleeve (4) and goes up fixing pin (3) in that described outer sleeve (4) or described inner sleeve (1) are one of other accordingly, and described pin (3) can slide in described skewed slot (7).

4. the fast clamp mechanism of electronic hammer according to claim 2 is characterized in that: described inner sleeve (1) is threaded with described clamping element (2).

5. the fast clamp mechanism of electronic hammer according to claim 4 is characterized in that: described inner sleeve (1) inner surface is provided with internal thread, and described clamping element (2) outer surface is provided with external screw thread.

6. the fast clamp mechanism of electronic hammer according to claim 4 is characterized in that: also comprise a fixed mount (5), fixed mount (5) is arranged in the outer sleeve (4), and fixed mount (5) is gone up the fixing hole (6) that setting can supply clamping element (2) to pass.

7. the fast clamp mechanism of electronic hammer according to claim 1, it is characterized in that: one of described clamping element (2) or described outer sleeve (4) are provided with the protuberance (13) of vertical outer sleeve axis, and one of other being provided with correspondingly can be by the hole (14) of described protuberance (13).

8. the fast clamp mechanism of electronic hammer according to claim 7 is characterized in that: also comprise a fixed mount (5), fixed mount (5) is arranged in the outer sleeve (4), and fixed mount (5) is gone up the fixing hole (6) that setting can supply clamping element (2) to pass.

9. according to the fast clamp mechanism of each described electronic hammer of claim 1 to 8, it is characterized in that: clamping element leading section (21) is near the sleeve axle center, and clamping element rearward end (22) is away from the sleeve axle center.

10. the fast clamp mechanism of electronic hammer according to claim 9 is characterized in that: described clamping element (2) is three, evenly arranges along circumferential 360 °.