CN217098350U

CN217098350U - Electric hammer for constructional engineering

Info

Publication number: CN217098350U
Application number: CN202122751952.5U
Authority: CN
Inventors: 吴宏伟
Original assignee: Chongqing Chenxi Hydropower Engineering Installation Co ltd
Current assignee: Chongqing Chenxi Hydropower Engineering Installation Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-08-02
Anticipated expiration: 2031-11-10

Abstract

The utility model provides an electric hammer for constructional engineering, which relates to the technical field of electric hammers and comprises a machine body and a drill bit, wherein the drill bit is positioned in front of the machine body, and the rear end of the drill bit is arranged in the machine body; an electric cylinder is fixed at the rear part inside the machine body, a push rod is installed at the front end of the electric cylinder, a dust hood is fixed at the front end of the machine body, and the front end of a drill bit is positioned in the dust hood; the periphery of the front end of the ash blocking cover is provided with an annular groove, a plurality of uniformly distributed springs are fixed in the annular groove, a moving ring is fixed between the outer ends of the springs, the outer end of the moving ring penetrates out of the annular groove, and a damping ring is fixed between the outer ends of the moving ring; the beneficial effects of the utility model reside in that: can cushion the impulsive force to play the guard action to the ash blocking cover, can avoid the drill bit to punch the dust that produces and scatter everywhere, influence wall environment all around, can avoid the user to inhale these dust simultaneously and influence that the user is healthy.

Description

Electric hammer for constructional engineering

Technical Field

The utility model relates to an electric hammer technical field, more specifically the utility model relates to an electric hammer for building engineering.

Background

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

Among the prior art, electric hammer for building engineering when punching the wall can produce the dust, and these dusts can scatter around to the wall, influence the health around the wall, still can be inhaled by the user when these dusts are raised simultaneously, influence user's healthy.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned technical problem who exists among the prior art, provide an electric hammer for building engineering, can cushion the impulsive force to play the guard action to the ash blocking cover, can avoid the drill bit to punch the dust that produces and scatter everywhere, influence wall environment all around, can avoid the user to inhale these dusts and influence the user healthy simultaneously.

The purpose and the efficacy of the utility model are achieved by the following specific technical means:

an electric hammer for constructional engineering comprises a machine body and a drill bit, wherein the drill bit is positioned in front of the machine body, and the rear end of the drill bit is arranged in the machine body;

an electric cylinder is fixed at the rear part inside the machine body, a push rod is installed at the front end of the electric cylinder, an ash blocking cover is fixed at the front end of the machine body, and the front end of the drill bit is located in the ash blocking cover;

the ash blocking cover is characterized in that an annular groove is formed in the periphery of the front end of the ash blocking cover, a plurality of springs which are uniformly distributed are fixed in the annular groove, a moving ring is fixed between the outer ends of the springs, the outer end of the moving ring penetrates out of the annular groove, a damping ring is fixed between the outer ends of the moving ring, the bottom of the ash blocking cover is an open end, and a garbage box is connected to the bottom of the ash blocking cover through threads.

Further preferred embodiments: the drill bit is positioned between the two sliding rails, a sliding block is fixed at the rear end of the drill bit, and the upper side and the lower side of the sliding block are respectively in sliding connection with the two sliding rails.

Further preferred embodiments: limiting rods are fixed on the upper side and the lower side of the inner wall of the machine body, the limiting rods are located in front of the sliding rails and the sliding blocks, and the drill bit and the push rod are located between the two limiting rods.

Further preferred embodiments: the front and rear parts of the bottom of the machine body are respectively and vertically fixed with a front handle and a fixed rod, the rear end of the machine body is fixed with a rear handle, and the front lower end of the rear handle is fixed at the rear side of the fixed rod.

Further preferred embodiments: the switch is installed to back handle inner wall rear side, the switch passes through wire and electronic jar electric connection.

Further preferred embodiments: and a rubber ring is fixed on the front side of the damping ring.

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

according to the electric hammer for the building engineering, when a drill bit punches, impact force can be generated and transmitted to the rubber ring, the rubber ring has elasticity and can buffer the impact force, so that the impact force is weakened, the weakened impact force can be transmitted to the damping ring, the damping ring can drive the movable ring to move towards the annular groove, the movable ring can compress the plurality of springs, and the springs have elasticity, so that the impact force can be further buffered, and the dust cover is protected;

the drill bit can drive the sliding block to slide between the two sliding rails when moving, and the arrangement of the sliding rails and the sliding block is beneficial to the stability of the drill bit when moving;

the drill bit can produce the dust to the wall in-process of punching, and these dusts can fall into in the ash blocking cover, enter into the rubbish box along the ash blocking cover, collect the dust, can avoid these dusts to scatter everywhere, influence wall environment all around, can avoid the user to inhale these dusts and influence user's health simultaneously.

Drawings

Fig. 1 is a schematic view of the overall right-side cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the overall right-side structure of the present invention;

fig. 3 is a schematic view of a partial structure at a position a in fig. 1 according to the present invention.

The labels in the figure are: the garbage can comprises a machine body 1, a rear handle 2, a switch 3, a fixing rod 4, a front handle 5, a garbage box 6, an ash blocking cover 7, an electric cylinder 8, a push rod 9, a slide rail 10, a slide block 11, a drill bit 12, a damping ring 13, a rubber ring 14, an annular groove 15, a spring 16, a moving ring 17 and a limiting rod 18.

Detailed Description

Referring to fig. 1-3, embodiments of the present invention will be further described;

an electric hammer for constructional engineering comprises a machine body 1 and a drill bit 12, wherein the drill bit 12 is positioned in front of the machine body 1, and the rear end of the drill bit 12 is installed in the machine body 1;

a front handle 5 and a fixed rod 4 are respectively and vertically fixed at the front and rear of the bottom of the machine body 1, a rear handle 2 is fixed at the rear end of the machine body 1, and the front lower end of the rear handle 2 is fixed at the rear side of the fixed rod 4;

when a user wants to use the electric hammer, the user can hold the front handle 5 by one hand and hold the rear handle 2 by the other hand to hold the whole electric hammer, so that the user can use the electric hammer conveniently;

an electric cylinder 8 is fixed at the rear part inside the machine body 1, a push rod 9 is installed at the front end of the electric cylinder 8, slide rails 10 are fixed on the upper side and the lower side of the inner wall of the machine body 1, the drill bit 12 is located between the two slide rails 10, a slide block 11 is fixed at the rear end of the drill bit 12, and the upper side and the lower side of the slide block 11 are respectively connected with the two slide rails 10 in a sliding manner;

the switch 3 is arranged on the rear side of the inner wall of the rear handle 2, and the switch 3 is electrically connected with the electric cylinder 8 through a lead;

an ash blocking cover 7 is fixed at the front end of the machine body 1, the front end of the drill bit 12 is located in the ash blocking cover 7, an annular groove 15 is formed in the periphery of the front end of the ash blocking cover 7, a plurality of uniformly distributed springs 16 are fixed in the annular groove 15, a moving ring 17 is fixed between the outer ends of the springs 16, the outer end of the moving ring 17 penetrates out of the annular groove 15, a damping ring 13 is fixed between the outer ends of the moving ring 17, and a rubber ring 14 is fixed on the front side of the damping ring 13;

when the electric drill is used, the rubber ring 14 on the front side of the damping ring 13 is attached to a punching position of a wall surface, the electric cylinder 8 is powered on, the switch 3 on the rear side of the inner wall of the rear handle 2 is turned on, so that the electric cylinder 8 starts to work, the electric cylinder 8 drives the push rod 9 to move forward in an accelerating manner, the push rod 9 drives the drill bit 12 to launch forward when moving forward, and the front end of the drill bit 12 penetrates through the damping ring 13 and the rubber ring 14 and is punched on the punching position of the wall surface to punch the wall surface;

the drill bit 12 can generate impact force when drilling, the impact force can be transmitted to the rubber ring 14, the rubber ring 14 has elasticity, the impact force can be buffered, the impact force is weakened, the weakened impact force can be transmitted to the damping ring 13, the damping ring 13 can drive the moving ring 17 to move towards the annular groove 15, the moving ring 17 can compress the springs 16, and the springs 16 have elasticity, so that the impact force can be further buffered, and the dust cover 7 is protected;

when the drill bit 12 moves, the sliding block 11 is driven to slide between the two sliding rails 10, and the arrangement of the sliding rails 10 and the sliding block 11 is beneficial to the stability of the drill bit 12 during movement;

the bottom of the dust cover 7 is an open end, and the bottom of the dust cover 7 is connected with a garbage box 6 through threads;

the drill bit 12 can generate dust in the process of punching the wall surface, the dust can fall into the dust blocking cover 7 and enter the garbage box 6 along the dust blocking cover 7 to collect the dust, the dust can be prevented from scattering around to influence the environment around the wall surface, and meanwhile, the user can be prevented from sucking the dust to influence the body health of the user;

limiting rods 18 are fixed on the upper side and the lower side of the inner wall of the machine body 1, the limiting rods 18 are positioned in front of the sliding rail 10 and the sliding block 11, and the drill bit 12 and the push rod 9 are positioned between the two limiting rods 18;

after the drill bit 12 is pushed by the push rod 9, the electric cylinder 8 drives the push rod 9 to move backwards, the slide block 11 slides to the front ends of the two slide rails 10 to collide with the two limit rods 18, the limit rods 18 block the slide block 11, the slide block 11 and the drill bit 12 are prevented from continuing to move forwards, and the rear end of the drill bit 12 rebounds to the rear inside the machine body 1.

Claims

1. The utility model provides an electric hammer for building engineering, includes organism (1) and drill bit (12), drill bit (12) are located organism (1) the place ahead, just drill bit (12) rear end is installed in organism (1), its characterized in that:

an electric cylinder (8) is fixed at the rear part inside the machine body (1), a push rod (9) is installed at the front end of the electric cylinder (8), an ash blocking cover (7) is fixed at the front end of the machine body (1), and the front end of the drill bit (12) is located in the ash blocking cover (7);

ash blocking cover (7) front end periphery is opened there is ring channel (15), ring channel (15) internal fixation has a plurality of springs (16) that are evenly distributed, a plurality of be fixed with shift ring (17) between spring (16) outer end, ring channel (15) are worn out to shift ring (17) outer end, just be fixed with damping ring (13) between shift ring (17) outer end, just ash blocking cover (7) bottom is the open end, ash blocking cover (7) bottom has rubbish box (6) through threaded connection.

2. An electric hammer for construction engineering according to claim 1, wherein: the drill bit is characterized in that sliding rails (10) are fixed on the upper side and the lower side of the inner wall of the machine body (1), the drill bit (12) is located between the two sliding rails (10), a sliding block (11) is fixed at the rear end of the drill bit (12), and the upper side and the lower side of the sliding block (11) are respectively in sliding connection with the two sliding rails (10).

3. An electric hammer for construction engineering according to claim 2, wherein: limiting rods (18) are fixed to the upper side and the lower side of the inner wall of the machine body (1), the limiting rods (18) are located in front of the sliding rails (10) and the sliding blocks (11), and the drill bit (12) and the push rod (9) are located between the two limiting rods (18).

4. The electric hammer for construction engineering according to claim 1, wherein: the front and the back of the bottom of the machine body (1) are respectively and vertically fixed with a front handle (5) and a fixed rod (4), the back end of the machine body (1) is fixed with a back handle (2), and the front lower end of the back handle (2) is fixed at the back side of the fixed rod (4).

5. An electric hammer for construction engineering according to claim 4, wherein: switch (3) are installed to back handle (2) inner wall rear side, switch (3) pass through wire and electronic jar (8) electric connection.

6. An electric hammer for construction engineering according to claim 1, wherein: and a rubber ring (14) is fixed on the front side of the damping ring (13).