CN215039106U - Electric hammer - Google Patents

Abstract

The utility model relates to the technical field of electric hammers, in particular to an electric hammer, which comprises a supporting box, wherein the left end and the right end of the supporting box are both provided with openings, the left end of the supporting box is provided with a mounting plate, the left end of the mounting plate is provided with a motor, the right end of the supporting box is fixedly connected with a frame plate, the output shaft end of the motor is fixedly connected with an extension shaft, the right end of the extension shaft is fixedly connected with a crank device, the bottom, the upper part, the front part and the rear part of the crank device are all hinged with sliding plates, four sliding plates respectively pass through the bottom side wall and the upper side wall of the supporting box, the free ends of the sliding plates can be detachably connected with impact heads, the bottom end, the top end, the front end and the rear end of the supporting box are fixedly connected with connecting plates, the outer side wall of each sliding plate is sleeved with a fixed sleeve, each fixed sleeve is fixedly connected with the opposite end of each corresponding connecting plate, and the left end of the mounting plate is provided with an angle adjusting device; the efficiency is higher, the user can support the electric hammer conveniently, and the practicability is higher.

Description

Electric hammer

Technical Field

The utility model relates to an electric hammer technical field specifically is an electric hammer.

Background

The electric hammer is used as a tool for drilling holes in hard materials such as concrete, bricks and stones, has high drilling efficiency and is widely applied to the building industry.

Through the retrieval, patent publication No. CN201371259Y discloses an electric hammer, can effectively solve current electric hammer noise big, can produce the carbon brush dust, the carbon brush wearing and tearing lead to the machine life shorter fast, the problem that whole efficiency is not high. The utility model provides an electric hammer, including the casing, eccentric device, the cylinder, the piston, the output chuck, drive mechanism and handle, eccentric device's one end sets up on the piston, the piston sets up in the cylinder, the output chuck sets up the other end at the cylinder, still include brushless motor and circuit controller, brushless motor's stator is fixed on the casing, brushless motor's rotor shaft passes through rolling device and sets up on the casing, the rotor shaft links to each other with eccentric device's the other end, circuit controller sets up on the casing, it adopts brushless motor, the noise is little, there is not carbon brush dust also carbon brush wearing and tearing, efficiency improves 30%, the machine life-span is several times higher than series excited machine, utilize the casing of electric hammer as brushless motor's shell saving cost.

Current electric hammer is in the use, and when meetting the wall limit and have more hole to add man-hour, need the user to start the electric hammer and process in proper order, efficiency is lower to when the processing hole, the gesture that needs the user to adjust the electric hammer is in order to adapt to different turning angles, and inconvenient user supports the electric hammer, and the practicality is lower.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an efficiency is higher, and the person of facilitating the use supports electric hammer, the higher electric hammer of practicality.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an electric hammer comprises a support box, wherein openings are respectively arranged at the left end and the right end of the support box, a mounting plate is arranged at the left end of the support box, a motor is arranged at the left end of the mounting plate, a frame plate is fixedly connected at the right end of the support box, an extension shaft is fixedly connected with an output shaft of the motor, a crank device is fixedly connected with the right end of the extension shaft, sliding plates are hinged to the bottom, the upper part, the front part and the rear part of the crank device respectively, the four sliding plates respectively penetrate through the bottom side wall, the upper side wall, the front side wall and the rear side wall of the support box, an impact head can be detachably connected with the free end of each sliding plate, connecting plates are fixedly connected with the bottom end, the top end, the front end and the rear end of the support box respectively, a fixed sleeve is sleeved on the outer side wall of each sliding plate, and each fixed sleeve is fixedly connected with the opposite end of the corresponding connecting plate, the right part of the crank device is rotatably connected with the left end of the frame plate, and the left end of the mounting plate is provided with an angle adjusting device.

Preferably, the crank device comprises a connecting shaft, the left end of the connecting shaft is fixedly connected with the right end of the lengthened shaft, the right end of the connecting shaft is fixedly connected with a first adapter plate, the bottom of the right end of the first adapter plate is fixedly connected with a first supporting shaft, the right end of the first supporting shaft is fixedly connected with a second adapter plate, the upper portion of the right end of the second adapter plate is fixedly connected with a second supporting shaft, the right end of the second supporting shaft is fixedly connected with a first circular plate, the front portion of the right end of the first circular plate is fixedly connected with a third supporting shaft, the right end of the third supporting shaft is fixedly connected with a second circular plate, the rear portion of the right end of the second circular plate is fixedly connected with a fourth supporting shaft, the right end of the fourth supporting shaft is fixedly connected with a third circular plate, the middle portion of the right end of the third circular plate is fixedly connected with a suspension shaft, and the right end of the suspension shaft is rotatably connected with the middle portion of the frame plate, the circumferential outer walls of the first support shaft, the second support shaft, the third support shaft and the fourth support shaft are rotatably connected with the corresponding sliding plates.

Preferably, the angle adjusting device comprises two extension plates, the right end of each extension plate is fixedly connected with the rear part of the left end and the front part of the left end of the mounting plate, the left side of the mounting plate is provided with a transverse plate, the right end of the transverse plate is fixedly connected with the left end of each extension plate, the left side of the transverse plate is provided with a fixing plate, the left end of the transverse plate is fixedly connected with a transverse shaft, the middle part of the transverse shaft is rotatably connected with the middle part of the fixing plate, the left end of the transverse shaft is fixedly connected with a limiting boss, the left end of the limiting boss is fixedly connected with a worm wheel, the top end of the fixing plate is fixedly connected with a top plate, the front end and the rear end of the fixing plate are fixedly connected with support plates, the middle areas of the two support plates are opposite to each other, the worm is meshed with the worm wheel, and the front end of the worm is rotatably connected with the support plate on the front side, the rear end of the support plate penetrates through the middle of the support plate on the rear side from the front end of the rear side support plate.

Preferably, the top front part and the top rear part of the top plate are fixedly connected with heightening plates, the upper side of the top plate is provided with a handle shaft, and the front end and the rear end of the handle shaft are respectively and fixedly connected with the opposite ends of each corresponding heightening plate.

Preferably, the bottom end of the top plate is fixedly connected with the top end of each support plate.

Preferably, a hand wheel is fixedly connected to the rear end of the worm.

Preferably, the free end of each slide plate is threadedly connected to each respective impact head.

Preferably, the free end of the impact head is provided with a sharp corner.

(III) advantageous effects

Compared with the prior art, the utility model provides an electric hammer possesses following beneficial effect:

this electric hammer drives the crank device rotation through the motor, and then drives each sliding plate and remove to the removal gesture of restraining the sliding plate through fixed cover, drives each percussion head through the sliding plate and removes, and then drives each percussion head and assaults the position that needs punch, improves the efficiency of punching, and through the angle that angle adjusting device adjusted punch, the user's of being convenient for adjustment gesture reaches efficiency higher, and the person of facilitating the use supports electric hammer, the higher effect of practicality.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic view of the structure of the present invention;

FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3 according to the present invention;

fig. 5 is a schematic diagram of the explosion three-dimensional structure of the present invention;

fig. 6 is a schematic diagram of a partial enlarged structure at a in fig. 5 according to the present invention.

In the figure: 1. a support box; 2. mounting a plate; 3. a motor; 4. a frame plate; 5. lengthening a shaft; 6. a sliding plate; 7. an impact head; 8. a connecting plate; 9. fixing a sleeve; 10. a first transfer plate; 11. a first support shaft; 12. a second adapter plate; 13. a second support shaft; 14. a first circular plate; 15. a third support shaft; 16. A second circular plate; 17. a fourth support shaft; 18. a third circular plate; 19. a suspension shaft; 20. an extension plate; 21. A transverse plate; 22. a fixing plate; 23. a horizontal axis; 24. a limiting boss; 25. a worm gear; 26. a top plate; 27. A support plate; 28. a worm; 29. heightening plates; 30. a shaft; 31. a hand wheel; 32. a connecting shaft; 33. and a fourth support shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b):

referring to fig. 1-6, an electric hammer comprises a supporting box 1, wherein openings are respectively arranged at the left end and the right end of the supporting box 1, a mounting plate 2 is arranged at the left end of the supporting box 1, a motor 3 is arranged at the left end of the mounting plate 2, a frame plate 4 is fixedly connected at the right end of the supporting box 1, an extension shaft 5 is fixedly connected at the output shaft end of the motor 3, a crank device is fixedly connected at the right end of the extension shaft 5, the crank device comprises a connecting shaft 32, the left end of the connecting shaft 32 is fixedly connected with the right end of the extension shaft 5, a first adapter plate 10 is fixedly connected at the right end of the connecting shaft 32, a first supporting shaft 11 is fixedly connected at the bottom of the right end of the first adapter plate 10, a second adapter plate 12 is fixedly connected at the right end of the first supporting shaft 11, a second supporting shaft 13 is fixedly connected at the upper part of the right end of the second adapter plate 12, a first circular plate 14 is fixedly connected at the right end of the second supporting shaft 13, a third support shaft 15 is fixedly connected to the front part of the right end of the first circular plate 14, a second circular plate 16 is fixedly connected to the right end of the third support shaft 15, a fourth support shaft 17 is fixedly connected to the rear part of the right end of the second circular plate 16, a third circular plate 18 is fixedly connected to the right end of the fourth support shaft 17, a suspension shaft 19 is fixedly connected to the middle part of the right end of the third circular plate 18, the right end of the suspension shaft 19 is rotatably connected with the middle part of the frame plate 4, and the circumferential outer walls of the first support shaft 11, the second support shaft 13, the third support shaft 15 and the fourth support shaft 17 are rotatably connected with the corresponding sliding plates 6; the sliding plates 6 are driven to move by the first support shaft 11, the second support shaft 13, the third support shaft 15 and the fourth support shaft 17, so that the effect of punching in multiple directions simultaneously is effectively realized, the sliding plates 6 are hinged to the bottom, the upper part, the front part and the rear part of the crank device, the four sliding plates 6 respectively penetrate through the bottom side wall, the upper side wall, the front side wall and the rear side wall of the support box 1, and the free ends of the sliding plates 6 are connected with the corresponding impact heads 7 through threads; through the form of threaded connection, the structure is simple, the manufacture is convenient, the practicability is higher, and the free end of the impact head 7 is provided with a sharp corner; through the form of closed angle, improve the impact effect of impact head 7 to the processing position, further improve the practicality, the equal fixedly connected with connecting plate 8 in bottom, top, front end and the rear end of supporting box 1, the equal cover of lateral wall of each sliding plate 6 is equipped with fixed cover 9, the looks remote site fixed connection of each fixed cover 9 and each corresponding connecting plate 8, the right part of crank device and the left end of frame plate 4 rotate to be connected.

Further, the left end of the mounting plate 2 is provided with an angle adjusting device, the angle adjusting device comprises two extension plates 20, the two extension plates 20 are respectively fixedly connected with the rear part of the left end and the front part of the left end of the mounting plate 2, the left side of the mounting plate 2 is provided with a transverse plate 21, the right end of the transverse plate 21 is fixedly connected with the left end of each extension plate 20, the left side of the transverse plate 21 is provided with a fixing plate 22, the left end of the transverse plate 21 is fixedly connected with a transverse shaft 23, the middle part of the transverse shaft 23 is rotatably connected with the middle part of the fixing plate 22, the left end of the transverse shaft 23 is fixedly connected with a limiting boss 24, the left end of the limiting boss 24 is fixedly connected with a worm wheel 25, the top end of the fixing plate 22 is fixedly connected with a top plate 26, both the front end and the rear end of the fixing plate 22 are fixedly connected with support plates 27, the relative middle areas of the two support plates 27 are provided with a worm 28, the worm 28 is meshed with the worm wheel 25, the front end of the worm 28 is rotatably connected with the front support plate 27, and the rear end of the support plate 27 passes through the middle part of the rear support plate 27 from the front end of the rear support plate 27; the worm wheel 25 and the worm 28 are matched, so that the rotation of the worm wheel 25 in the use process is reduced, the practicability is improved, the front part and the rear part of the top end of the top plate 26 are fixedly connected with heightening plates 29, a handle shaft 30 is arranged on the upper side of the top plate 26, and the front end and the rear end of the handle shaft 30 are fixedly connected with the opposite ends of the corresponding heightening plates 29 respectively; the position of the handle shaft 30 is fixed by a user by hands, so that the overall shaking is reduced, the user is replaced to adjust the overall angle, the effect of convenience for the user is achieved, and the bottom end of the top plate 26 is fixedly connected with the top ends of the support plates 27; the top plate 26 is fixedly connected with the support plates 27, so that the connection strength and the stability of the support plates 27 and the top plate 26 are improved, and a hand wheel 31 is fixedly connected to the rear end of the worm 28; the hand wheel 31 is rotated by a user, so that the worm 28 is driven to rotate, the worm 28 is directly rotated by the user, and the practicability is improved; it is rotatory to drive crank device through motor 3, and then drive each sliding plate 6 and remove, and restrict the removal gesture of sliding plate 6 through fixed cover 9, drive each percussion head 7 through sliding plate 6 and remove, and then drive each percussion head 7 and strike the position that needs punch, improve the efficiency of punching, and through the angle that angle adjusting device adjusted and punched, the user's of being convenient for adjustment gesture reaches efficiency higher, and the person of facilitating the use supports the electric hammer, the higher effect of practicality.

In summary, the working principle and the working process of the electric hammer are that, when the electric hammer is used, firstly, a user rotates the hand wheel 31 to further drive the worm 28 to rotate, the worm 28 and the worm wheel 25 are matched to further drive the worm wheel 25 to rotate, the worm wheel 25 drives the limit boss 24, the transverse shaft 23, the transverse plate 21, the extension plate 20, the motor 3 and each impact head 7 to rotate, so as to adjust the angle of the impact head 7, then the user starts the motor 3, the motor 3 drives the crank device to rotate, so as to drive each sliding plate 6 to move, the moving posture of the sliding plate 6 is limited by the fixing sleeve 9, each impact head 7 is driven by the sliding plate 6 to move, and further each impact head 7 is driven to impact a position needing punching.

The motor 33 is a speed reducing motor 3 with the model number of JXLD40, the motor 33 is a known device directly purchased from the market and used by people in the field, and structural and functional improvements are not performed on the motor 33, so that details are not repeated here, the motor 33 is provided with a control switch matched with the motor, and the installation position of the control switch is selected according to actual use requirements, so that an operator can conveniently perform operation control.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. An electric hammer, characterized in that: the shock absorber comprises a supporting box (1), wherein openings are respectively arranged at the left end and the right end of the supporting box (1), a mounting plate (2) is arranged at the left end of the supporting box (1), a motor (3) is arranged at the left end of the mounting plate (2), a frame plate (4) is fixedly connected at the right end of the supporting box (1), an extension shaft (5) is fixedly connected at the output shaft end of the motor (3), a crank device is fixedly connected at the right end of the extension shaft (5), sliding plates (6) are hinged at the bottom, the upper part, the front part and the rear part of the crank device, the four sliding plates (6) respectively penetrate through the bottom side wall, the upper side wall, the front side wall and the rear side wall of the supporting box (1), the free ends of the sliding plates (6) can be detachably connected with impact heads (7), and connecting plates (8) are fixedly connected at the bottom end, the top end, the front end and the rear end of the supporting box (1), the outer side wall of each sliding plate (6) is sleeved with a fixing sleeve (9), each fixing sleeve (9) is fixedly connected with the corresponding end of each connecting plate (8), the right part of the crank device is rotatably connected with the left end of the frame plate (4), and the left end of the mounting plate (2) is provided with an angle adjusting device.

2. An electric hammer as set forth in claim 1, wherein: the crank device comprises a connecting shaft (32), the left end of the connecting shaft (32) is fixedly connected with the right end of the lengthened shaft (5), the right end of the connecting shaft (32) is fixedly connected with a first adapter plate (10), the bottom of the right end of the first adapter plate (10) is fixedly connected with a first supporting shaft (11), the right end of the first supporting shaft (11) is fixedly connected with a second adapter plate (12), the upper portion of the right end of the second adapter plate (12) is fixedly connected with a second supporting shaft (13), the right end of the second supporting shaft (13) is fixedly connected with a first circular plate (14), the front portion of the right end of the first circular plate (14) is fixedly connected with a third supporting shaft (15), the right end of the third supporting shaft (15) is fixedly connected with a second circular plate (16), and the rear portion of the right end of the second circular plate (16) is fixedly connected with a fourth supporting shaft (17), the right end of the fourth supporting shaft (17) is fixedly connected with a third circular plate (18), the middle part of the right end of the third circular plate (18) is fixedly connected with a suspension shaft (19), the right end of the suspension shaft (19) is rotatably connected with the middle part of the frame plate (4), and the circumferential outer walls of the first supporting shaft (11), the second supporting shaft (13), the third supporting shaft (15) and the fourth supporting shaft (17) are rotatably connected with corresponding sliding plates (6).

3. An electric hammer as set forth in claim 2, wherein: the angle adjusting device comprises two extending plates (20), the right ends of the extending plates (20) are fixedly connected with the rear part of the left end and the front part of the left end of the mounting plate (2) respectively, a transverse plate (21) is arranged on the left side of the mounting plate (2), the right ends of the transverse plates (21) are fixedly connected with the left ends of the extending plates (20), a fixing plate (22) is arranged on the left side of the transverse plate (21), the left end of the transverse plate (21) is fixedly connected with a transverse shaft (23), the middle part of the transverse shaft (23) is rotatably connected with the middle part of the fixing plate (22), the left end of the transverse shaft (23) is fixedly connected with a limiting boss (24), the left end of the limiting boss (24) is fixedly connected with a worm wheel (25), the top end of the fixing plate (22) is fixedly connected with a top plate (26), and the front end and the rear end of the fixing plate (22) are both fixedly connected with supporting plates (27), the worm (28) is arranged in the opposite middle area of the two support plates (27), the worm (28) is meshed with the worm wheel (25), the front end of the worm (28) is rotatably connected with the support plate (27) on the front side, and the rear end of the support plate (27) passes through the middle of the support plate (27) on the rear side from the front end of the support plate (27).

4. An electric hammer as set forth in claim 3, wherein: the front part and the rear part of the top end of the top plate (26) are fixedly connected with heightening plates (29), a handle shaft (30) is arranged on the upper side of the top plate (26), and the front end and the rear end of the handle shaft (30) are respectively and fixedly connected with the opposite ends of the corresponding heightening plates (29).

5. An electric hammer as set forth in claim 4, wherein: the bottom end of the top plate (26) is fixedly connected with the top end of each support plate (27).

6. An electric hammer as set forth in claim 5, wherein: the rear end of the worm (28) is fixedly connected with a hand wheel (31).

7. An electric hammer as set forth in claim 6, wherein: the free end of each sliding plate (6) is connected with each corresponding impact head (7) through threads.

8. An electric hammer as set forth in claim 7, wherein: the free end of the impact head (7) is provided with a sharp corner.

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