CN214446108U

CN214446108U - Electric hammer with safety protection structure

Info

Publication number: CN214446108U
Application number: CN202023080963.7U
Authority: CN
Inventors: 程海波; 翁俊
Original assignee: Zhejiang Long Cheng Industry & Trade Co ltd
Current assignee: Zhejiang Long Cheng Industry & Trade Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-10-22
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses an electric hammer with safety protection structure relates to electric hammer technical field, for solving the current not good problem of safety protection effect of electric hammer in the use. The utility model discloses an electric hammer, including electric hammer main part, spring and buffering post, the internally mounted of electric hammer main part has the motor, be provided with first pivot on the output of motor, the one end of first pivot is provided with first helical gear, the top of first helical gear is provided with the second pivot, be provided with the second helical gear on the outer wall of second pivot, and the second helical gear is connected with first helical gear meshing, the one end and the electric hammer main part of second pivot are passed through the bearing and are connected, the other end of second pivot is provided with the buffering post, the inside of buffering post is provided with the fly leaf, spring and buffering post fixed connection are passed through to one side of fly leaf, the opposite side of fly leaf is provided with the drill bit, one side of drill bit is provided with the drilling rod.

Description

Electric hammer with safety protection structure

Technical Field

The utility model relates to an electric hammer technical field specifically is an electric hammer with safety protection structure.

Background

The electric hammer is an electric rotary hammer drill with a safety clutch and a pneumatic hammering mechanism. The electric hammer is based on the principle of piston motion, compresses gas to impact a drill bit, does not need much strength of hand, can open holes of 6-100mm on hard materials such as concrete, bricks, stones and the like, has high hole opening efficiency on the materials, but cannot open holes on metal.

The existing electric hammer has poor safety protection effect in the use process; therefore, the existing requirements are not met, and an electric hammer with a safety protection structure is provided for the requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric hammer with safety protection structure to solve the current electric hammer that proposes in the above-mentioned background art and in the not good problem of safety protection effect in the use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electric hammer with safety protection structure, includes the electric hammer main part, the internally mounted of electric hammer main part has the motor, be provided with first pivot on the output of motor, the one end of first pivot is provided with first helical gear, the top of first helical gear is provided with the second pivot, be provided with the second helical gear on the outer wall of second pivot, and the second helical gear is connected with first helical gear meshing, the one end of second pivot is passed through the bearing with the electric hammer main part and is connected, the other end of second pivot is provided with the buffering post, the inside of buffering post is provided with the fly leaf, spring and buffering post fixed connection are passed through to one side of fly leaf, the opposite side of fly leaf is provided with the drill bit, one side of drill bit is provided with the drilling rod.

Preferably, a handle is arranged on one side of the electric hammer main body, a heat dissipation shell is arranged above the handle, a metal mesh plate is arranged inside the heat dissipation shell, a through hole is formed in one side of the metal mesh plate, and an auxiliary handle is arranged below the electric hammer main body.

Preferably, the opposite side of electric hammer main part is provided with the protection casing, the one end of protection casing is provided with the rubber arch, the rubber arch passes through recess and electric hammer main part fixed connection.

Preferably, the outer wall of the buffer column is provided with an annular sliding block, and the annular sliding block is connected with the electric hammer main body in a sliding mode through a limiting sliding groove.

Preferably, a baffle is arranged on the outer wall of one end of the electric hammer main body.

Preferably, the side wall of baffle is provided with the light, and the light is provided with four.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the baffle, played the effect of protection to the staff to improved the security, the light is convenient for the staff and is using in the place that light is darker, the cooperation of handle and supplementary handle, the electric hammer main part of being convenient for's use has improved the stability of electric hammer during operation, the through-hole is convenient for pass through the effectual heat dissipation of heat dissipation shell with the inside heat of electric hammer main part, has improved the security, has prolonged the life of electric hammer, metal mesh plate has played the effect of protection.

2. Through the rotation of the first pivot of motor drive, thereby make first pivot drive first helical gear rotate, because first helical gear and the meshing of second helical gear, consequently make the second pivot drive the buffering post and rotate, thereby make the drill bit drive the drilling rod and carry out drilling work, the spring receives pressure can make the fly leaf drive the drill bit and slide in the buffering post, the effect of buffering has been played, the protection casing has played the effect of protection to the drill bit, the rubber arch has certain elasticity, cooperation through the rubber arch and recess, be convenient for the installation and the dismantlement of protection casing.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

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

FIG. 3 is a schematic side view of the heat dissipation housing of the present invention;

in the figure: 1. an electric hammer main body; 2. an auxiliary grip; 3. a motor; 4. a first rotating shaft; 5. a first helical gear; 6. a second helical gear; 7. a second rotating shaft; 8. a heat dissipation housing; 9. a through hole; 10. a metal mesh plate; 11. a buffer column; 12. a baffle plate; 13. an illuminating lamp; 14. a drill stem; 15. a drill bit; 16. a limiting chute; 17. an annular slider; 18. a spring; 19. a movable plate; 20. a grip; 21. a protective cover; 22. a rubber bulge; 23. and (4) a groove.

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.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides an electric hammer with safety protection structure, including electric hammer main part 1, the internally mounted of electric hammer main part 1 has motor 3, be provided with first pivot 4 on the output of motor 3, the one end of first pivot 4 is provided with first helical gear 5, the top of first helical gear 5 is provided with second pivot 7, be provided with second helical gear 6 on the outer wall of second pivot 7, and second helical gear 6 is connected with the meshing of first helical gear 5, the one end of second pivot 7 is connected through the bearing with electric hammer main part 1, the other end of second pivot 7 is provided with buffering post 11, buffering post 11 has the effect of buffering, the inside of buffering post 11 is provided with fly leaf 19, one side of fly leaf 19 is through spring 18 and buffering post 11 fixed connection, the opposite side of fly leaf 19 is provided with drill bit 15, one side of drill bit 15 is provided with drilling rod 14.

Further, one side of electric hammer main part 1 is provided with handle 20, the top of handle 20 is provided with heat dissipation shell 8, the inside of heat dissipation shell 8 is provided with metal mesh plate 10, one side of metal mesh plate 10 is provided with through-hole 9, the below of electric hammer main part 1 is provided with supplementary handle 2, handle 20 is convenient for the use of electric hammer main part 1, through-hole 9 is convenient for pass through the inside heat of electric hammer main part 1 the effectual heat dissipation of heat dissipation shell 8, metal mesh plate 10 has played the effect of protection, supplementary handle 2 has improved the stability of electric hammer during operation.

Further, the opposite side of electric hammer main part 1 is provided with protection casing 21, and the one end of protection casing 21 is provided with rubber bulge 22, and rubber bulge 22 passes through recess 23 and electric hammer main part 1 fixed connection, and protection casing 21 has played the effect of protection to drill bit 15, and rubber bulge 22 has certain elasticity, through the cooperation of rubber bulge 22 and recess 23, the installation and the dismantlement of the protection casing 21 of being convenient for.

Further, be provided with annular slider 17 on the outer wall of cushion column 11, annular slider 17 passes through spacing spout 16 and electric hammer main part 1 sliding connection, and spacing spout 16 has played spacing effect, through the sliding fit of annular slider 17 and spacing spout 16, has improved cushion column 11's stability.

Further, the outer wall of one end of the electric hammer main body 1 is provided with a baffle 12, and the baffle 12 plays a role in protecting workers and improves safety.

Further, the lateral wall of baffle 12 is provided with light 13, and light 13 is provided with four, and light 13 is convenient for the staff to use in the place that light is darker.

The working principle is as follows: when in use, the handle 20 is matched with the auxiliary handle 2, so that the electric hammer main body 1 can be conveniently used, the stability of the electric hammer during working is improved, the first rotating shaft 4 is driven to rotate by the motor 3, the first rotating shaft 4 drives the first bevel gear 5 to rotate, the second rotating shaft 7 drives the buffer column 11 to rotate due to the meshing of the first bevel gear 5 and the second bevel gear 6, the drill bit 15 drives the drill stem 14 to drill, the movable plate 19 drives the drill bit 15 to slide in the buffer column 11 under the pressure of the spring 18, the buffer effect is achieved, the baffle 12 is arranged, the protection effect is achieved for workers, the safety is improved, the illuminating lamp 13 is convenient for the workers to use in dark places, the through hole 9 is convenient for effectively dissipating heat of the inside of the electric hammer main body 1 through the heat dissipating shell 8, and the safety is improved, the service life of electric hammer has been prolonged, and expanded metal sheeting 10 has played the effect of protection, when the electric hammer does not use, pulls down drilling rod 14, installs the protection casing 21 and goes, and protection casing 21 has played the effect of protection to drill bit 15, and rubber bulge 22 has certain elasticity, through the cooperation of rubber bulge 22 and recess 23, the installation and the dismantlement of the protection casing 21 of being convenient for.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an electric hammer with safety protection structure, includes electric hammer main part (1), its characterized in that: the electric hammer is characterized in that a motor (3) is arranged inside the electric hammer main body (1), a first rotating shaft (4) is arranged at the output end of the motor (3), a first helical gear (5) is arranged at one end of the first rotating shaft (4), a second rotating shaft (7) is arranged above the first helical gear (5), a second helical gear (6) is arranged on the outer wall of the second rotating shaft (7), the second helical gear (6) is meshed with the first helical gear (5) and is connected with one end of the second rotating shaft (7) through a bearing, a buffering column (11) is arranged at the other end of the second rotating shaft (7), a movable plate (19) is arranged inside the buffering column (11), one side of the movable plate (19) is fixedly connected with the buffering column (11) through a spring (18), and a drill bit (15) is arranged at the other side of the movable plate (19), one side of the drill bit (15) is provided with a drill rod (14).

2. The electric hammer with safety protection structure of claim 1, wherein: one side of electric hammer main part (1) is provided with handle (20), the top of handle (20) is provided with heat dissipation shell (8), the inside of heat dissipation shell (8) is provided with metal otter board (10), one side of metal otter board (10) is provided with through-hole (9), the below of electric hammer main part (1) is provided with supplementary handle (2).

3. The electric hammer with safety protection structure of claim 1, wherein: the opposite side of electric hammer main part (1) is provided with protection casing (21), the one end of protection casing (21) is provided with rubber bulge (22), rubber bulge (22) pass through recess (23) and electric hammer main part (1) fixed connection.

4. The electric hammer with safety protection structure of claim 1, wherein: the buffer column is characterized in that an annular sliding block (17) is arranged on the outer wall of the buffer column (11), and the annular sliding block (17) is connected with the electric hammer main body (1) in a sliding mode through a limiting sliding groove (16).

5. The electric hammer with safety protection structure of claim 1, wherein: and a baffle (12) is arranged on the outer wall of one end of the electric hammer main body (1).

6. An electric hammer with a safety protection structure as claimed in claim 5, wherein: the side wall of baffle (12) is provided with light (13), and light (13) are provided with four.