CN213647425U

CN213647425U - Combined electric hammer

Info

Publication number: CN213647425U
Application number: CN202022252964.9U
Authority: CN
Inventors: 童其升
Original assignee: Yongkang Jiehua Tools Co ltd
Current assignee: Yongkang Jiehua Tools Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-07-09
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses a combined electric hammer, including hammer drill body, calabash head, drill bit, the surface of hammer drill body is equipped with the arc board, the surface of arc board is equipped with the dead lever, the tip of dead lever is equipped with the rolling disc, the surface of rolling disc is equipped with the pin, be equipped with four fender hooks on the pin, the dead lever is close to the intermediate position and is equipped with the projection, the tip of projection is equipped with the rotating gear, the rotating gear outside is equipped with the protection box, the side of rotating gear is equipped with the pinching ring; the running gear drives the rolling disc and rotates, and the rolling disc drives the pin rotation, has portably adjusted the pin, has kept off the angular position of hook, and the pin, the hook block the wire on the hammer drill body, and when avoiding using the electric hammer, the wire rocks and influences drilling effect, and the baffle covers the drilling on the hammer drill body, avoids external impurity accumulation in the drilling and then increases frictional force, leads to the installation of drill bit to receive the not accurate enough of influence and drill bit installation to reduce the drilling effect of drill bit.

Description

Combined electric hammer

Technical Field

The utility model belongs to the technical field of electric tool, concretely relates to modular electric hammer.

Background

The electric hammer is an electric rotary hammer drill with a safety clutch and a pneumatic hammering mechanism. The electric hammer utilizes the principle of piston motion, and compressed gas strikes the drill bit, does not need how big strength of hand messenger, can trompil on hard materials such as concrete, brick, stone, and the trompil efficiency of electric hammer is higher, and the electric hammer is used comparatively extensively.

When the existing electric hammer is used, a lead connected to the electric hammer is hung and shaken to affect the drilling effect, after a drill bit at the head of the electric drill is detached, external impurity and dust are accumulated in the drill hole at the head of the electric hammer, the friction force is increased, and the installation of the drill bit is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a modular electric hammer to the electric hammer that proposes in solving above-mentioned background art when using, has the unsettled rocking of wire of connecting on the electric hammer, influences drilling effect, and after the electric drill head drill bit was dismantled, in the external impurity dust accumulation electric hammer head drill hole, increase frictional force and then influence the problem of drill bit installation.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a combined electric hammer, includes hammer drill body, calabash head, drill bit, the surface of hammer drill body is equipped with the arc board, the surface of arc board is equipped with the dead lever, the tip of dead lever is equipped with the rolling disc, the surface of rolling disc is equipped with the pin, be equipped with four fenders on the pin, the dead lever is close to the intermediate position and is equipped with the projection, the tip of projection is equipped with rolling gear, the rolling gear outside is equipped with the protection box, rolling gear's side is equipped with holds between the fingers the ring.

Preferably, the arc plate is connected with the hammer drill body through glue in a bonding mode, the fixed rod is connected with the arc plate in a screwing mode through threads, and the fixed rod is connected with the rotating disc in a rotating mode.

Preferably, the convex column is connected with the fixed rod in a screwed mode through threads, the convex column is connected with the rotating gear in a rotating mode, the pinching ring is bonded on the rotating gear through glue, the protection box is rectangular, a rotating cavity is formed in the protection box, the rotating gear is located in the rotating cavity, and the rotating gear penetrates through the middle position of the long edge of the protection box.

Preferably, the surface of the rotating gear, which is far away from the pinching ring, is provided with oblique lines, and the rotating gear is attached to the inner surface of the protection box.

Preferably, the tip that the rolling disc deviates from the pin is equipped with the annular, the rolling disc is located and is equipped with the tooth of slope in the annular, tooth staggered connection on running gear and the rolling disc, the pin closes with the rolling disc through the screw soon and is connected, the stop hook is arc shape.

Preferably, the hammer drill body is screwed with the drill bit.

Preferably, the outside of calabash head is equipped with solid fixed ring, gu be equipped with the connecting rod on the fixed ring, the tip that solid fixed ring was kept away from to the connecting rod is equipped with fixed ball, be equipped with the baffle on the fixed ball, be equipped with the lug on the connecting rod, the connecting rod outside cover is equipped with spring, slide bar, and the spring is located between lug and the slide bar.

Preferably, a rotating ball is arranged in the fixed ball, the connecting rod penetrates through the fixed ball and is connected with the rotating ball, the connecting rod is connected with the fixed ball in a rotating mode, the sliding rod is of a U-shaped structure and penetrates through the sliding rod, a round hole is formed in the baffle, and the end portion of the sliding rod is matched with the round hole.

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

1. through pin, the stop hook that sets up, it is rotatory to hold between the fingers the ring, and transfer gear drives the rolling disc rotation, and the rolling disc drives the stop lever rotation, has simply and conveniently adjusted the angular position of pin, stop hook, and pin, stop hook block the wire on the hammer drill body, and when avoiding using the electric hammer, the wire rocks the influence drilling effect.

2. Through the baffle that sets up, the drill bit is dismantled the back, and the baffle covers the drilling on the hammer drill body, and the slide bar embedding baffle is interior and the baffle is spacing fixed, avoids external impurity accumulation in drilling and then increases frictional force, leads to the installation of drill bit to receive the not accurate enough of influence and drill bit installation to reduce the drilling effect of drill bit.

Drawings

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

fig. 2 is a schematic view of the bottom view of the rotating disc of the present invention;

FIG. 3 is a schematic side view of the rotary gear of the present invention;

FIG. 4 is a schematic cross-sectional view of the baffle of the present invention;

in the figure: 1. a hammer drill body; 2. a gourd head; 3. a drill bit; 4. an arc plate; 5. fixing the rod; 6. rotating the disc; 7. a stop lever; 8. a stop hook; 9. a convex column; 10. a protective case; 11. a rotating gear; 12. kneading a ring; 13. a fixing ring; 14. a connecting rod; 15. fixing the ball; 16. a baffle plate; 17. a bump; 18. a spring; 19. a slide bar; 20. and (4) rotating the ball.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: a combined electric hammer comprises a hammer drill body 1, a gourd head 2 and a drill bit 3, wherein an arc plate 4 is arranged on the surface of the hammer drill body 1, a fixing rod 5 is arranged on the surface of the arc plate 4, a rotating disc 6 is arranged at the end part of the fixing rod 5, a stop lever 7 is arranged on the surface of the rotating disc 6, four stop hooks 8 are arranged on the stop lever 7, a convex column 9 is arranged at a position, close to the middle position, of the fixing rod 5, a rotating gear 11 is arranged at the end part of the convex column 9, a protection box 10 is arranged on the outer side of the rotating gear 11, a pinching ring 12 is arranged on the side surface of the rotating gear 11, the rotating disc 6 rotates to drive the stop lever 7 to rotate, the angle positions of the stop lever 7 and the stop hook 8 are simply and conveniently adjusted, the stop lever 7 and the stop hook 8 block a lead on the hammer drill body 1, when the electric hammer is used, the lead shakes to influence the drilling effect, a fixing ring 13 is arranged on, be equipped with baffle 16 on the fixed ball 15, be equipped with lug 17 on the connecting rod 14, connecting rod 14 outside cover is equipped with spring 18, slide bar 19, spring 18 is located between lug 17 and the slide bar 19, baffle 16 covers the drilling on the hammer drill body 1, slide bar 19 imbeds in the baffle 16, baffle 16 is spacing fixed, avoid external impurity accumulation and then increase frictional force in drilling, the installation that leads to drill bit 3 receives the influence and the installation of drill bit 3 is accurate inadequately, thereby reduce the drilling effect of drill bit 3.

In this embodiment, arc board 4 passes through glue bonding connection with hammer drill body 1, dead lever 5 closes with arc board 4 soon through the screw thread and is connected, dead lever 5 rotates with rolling disc 6 to be connected, projection 9 closes with dead lever 5 soon through the screw thread and is connected, projection 9 rotates with rolling gear 11 to be connected, it bonds on rolling gear 11 through glue to hold between the fingers ring 12, protection box 10 is the rectangle shape, there is the chamber of changeing in protection box 10, rolling gear 11 is located the chamber of changeing, rolling gear 11 passes the intermediate position on the long limit of protection box 10, hold between the fingers ring 12 and rotatory, rolling gear 11 is rotatory, rolling gear 11 drives rolling disc 6 rotatoryly, be convenient for adjust rolling disc 6's angular position.

In this embodiment, the last inclined line that is equipped with of the surface that rotating gear 11 deviates from and holds between the fingers ring 12, rotating gear 11 and the laminating of protection box 10 internal surface, make to have certain frictional force between rotating gear 11 and the protection box 10, rotating gear 11 keeps stable state, the tip that rolling disc 6 deviates from pin 7 is equipped with the annular, rolling disc 6 is located the tooth that is equipped with the slope in the annular, tooth staggered connection on rotating gear 11 and the rolling disc 6, pin 7 closes with rolling disc 6 through the screw soon and is connected, stop hook 8 is the arc shape, stop lever 7 is rotatory along with rolling disc 6, be convenient for adjust stop lever 7, stop hook 8's angular position, stop lever 7, stop hook 8 blocks the wire on the hammer drill body 1, when avoiding using the electric hammer, the wire rocks and influences drilling effect.

In this embodiment, the hammer drill body 1 is connected with the drill bit 3 soon, and the hammer drill body 1 is installed for the combination formula with the drill bit 3, is convenient for install the drill bit 3 and dismantles and changes the drill bit 3.

In this embodiment, be equipped with in the fixed ball 15 and change ball 20, connecting rod 14 passes fixed ball 15 and is connected with changeing ball 20, connecting rod 14 rotates with fixed ball 15 and is connected, slide bar 19 is "U" type structure, connecting rod 14 runs through slide bar 19, the round hole has been seted up on the baffle 16, slide bar 19's tip and round hole match, drill bit 3 dismantles the back, baffle 16 covers the drilling on the hammer drill body 1, avoid external impurity accumulation and then increase frictional force in drilling, influence the installation of drill bit 3, reduce the drilling effect of drill bit 3.

The utility model discloses a theory of operation and use flow:

when the electric hammer is used, the pinching ring 12 is pinched and rotates clockwise from top to bottom, the rotating gear 11 is connected with the rotating disc 6 in a staggered manner, the rotating disc 6 rotates, the rotating disc 6 drives the stop lever 7 to rotate, the angular positions of the stop lever 7 and the stop hook 8 are simply and conveniently adjusted, the stop lever 7 and the stop hook 8 stop a lead on the hammer drill body 1, and the influence of the lead shaking on the drilling effect when the electric hammer is used is avoided;

the back is dismantled to drill bit 3, slide bar 19 slides, spring 18 is in the shrink state, rotatory with baffle 16, baffle 16 covers the drilling on the hammer drill body 1, loosen slide bar 19, spring 18 is extended by the shrink state, in slide bar 19 embedding baffle 16, baffle 16 is spacing fixed, avoid external impurity accumulation and then increase frictional force in drilling, the installation that leads to drill bit 3 receives the influence and the installation of drill bit 3 is accurate inadequately to reduce the drilling effect of drill bit 3.

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

1. The utility model provides a modular electric hammer, includes hammer drill body (1), calabash head (2), drill bit (3), its characterized in that: the surface of hammer drill body (1) is equipped with arc board (4), the surface of arc board (4) is equipped with dead lever (5), the tip of dead lever (5) is equipped with rolling disc (6), the surface of rolling disc (6) is equipped with pin (7), be equipped with four fender hooks (8) on pin (7), dead lever (5) are close to the intermediate position and are equipped with projection (9), the tip of projection (9) is equipped with rotating gear (11), the rotating gear (11) outside is equipped with protection box (10), the side of rotating gear (11) is equipped with holds between the fingers ring (12).

2. The combination electric hammer of claim 1, wherein: the arc plate (4) is connected with the hammer drill body (1) through glue in a bonding mode, the fixed rod (5) is connected with the arc plate (4) in a screwing mode through threads, and the fixed rod (5) is connected with the rotating disc (6) in a rotating mode.

3. The combination electric hammer of claim 1, wherein: the novel safety guard box is characterized in that the convex column (9) is connected with the fixed rod (5) in a screwing mode through threads, the convex column (9) is connected with the rotating gear (11) in a rotating mode, the pinching ring (12) is bonded on the rotating gear (11) through glue, the guard box (10) is rectangular, a rotating cavity is formed in the guard box (10), the rotating gear (11) is located in the rotating cavity, and the rotating gear (11) penetrates through the middle position of the long edge of the guard box (10).

4. The combination electric hammer of claim 1, wherein: the surface of the rotating gear (11) departing from the pinching ring (12) is provided with oblique lines, and the rotating gear (11) is attached to the inner surface of the protection box (10).

5. The combination electric hammer of claim 1, wherein: the tip that rolling disc (6) deviates from pin (7) is equipped with the annular, rolling disc (6) are located the tooth that is equipped with the slope in the annular, tooth staggered connection is gone up with rolling disc (6) in running gear (11), pin (7) close with rolling disc (6) through the screw soon and are connected, stop hook (8) are the arc shape.

6. The combination electric hammer of claim 1, wherein: the hammer drill body (1) is connected with the drill bit (3) in a screwing mode.

7. The combination electric hammer of claim 1, wherein: the outside of calabash head (2) is equipped with solid fixed ring (13), be equipped with connecting rod (14) on solid fixed ring (13), the tip that solid fixed ring (13) was kept away from in connecting rod (14) is equipped with fixed ball (15), be equipped with baffle (16) on fixed ball (15), be equipped with lug (17) on connecting rod (14), connecting rod (14) outside cover is equipped with spring (18), slide bar (19), and spring (18) are located between lug (17) and slide bar (19).

8. The combination electric hammer of claim 7, wherein: be equipped with in fixed ball (15) and change ball (20), connecting rod (14) pass fixed ball (15) and are connected with changeing ball (20), connecting rod (14) rotate with fixed ball (15) and are connected, slide bar (19) are "U" type structure, slide bar (19) are run through in connecting rod (14), the round hole has been seted up on baffle (16), the tip and the round hole matching of slide bar (19).