Battery pack damping structure of electric hammer

Abstract

The utility model discloses a battery pack damping structure of an electric hammer, which relates to the technical field of electric hammers and comprises an electric hammer casing assembly, a casing foot plate assembly is mounted at the bottom end of the electric hammer casing assembly, and a buffer component is mounted at the joint of the electric hammer casing assembly and the casing foot plate assembly. Through the arrangement of the buffering assembly, the buffering assembly is installed between the connecting positions of the machine shell foot plate assembly and the electric hammer shell assembly, the buffering assembly has the good buffering and damping effect, the inner side wall of the buffering strip is clamped into the groove, and the top end of the outer side wall of the buffering strip is clamped into the clamping groove; buffering and damping in all directions can be achieved while clamping is achieved, the influence of vibration of the electric hammer on the machine shell foot plate assembly and the battery pack is reduced, the fault rate of the battery pack is effectively reduced, and the service life of the battery pack is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric hammer technical field, especially a battery pack damping structure of electric hammer. BACKGROUND

[0002] Electric hammer is a kind of electric tool driven by motor, and is mainly used to drill on concrete, floor, brick wall and stone material. Electric hammer usually has drill, impact and other multiple working modes, and can select appropriate mode to work according to different working conditions.

[0003] But the electric hammer of prior art uses electric hammer impact function, and vibration energy is easily directly transmitted to battery pack, to cause battery pack welding point or nickel sheet metal fatigue fracture and other problems, these faults easily lead to the performance of battery pack to decline, seriously affect the reliability and service life of product.

[0004] Therefore, it is necessary to provide a battery pack damping structure of electric hammer to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a battery pack damping structure of electric hammer to solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a battery pack damping structure of electric hammer, including electric hammer shell assembly, the bottom of electric hammer shell assembly is equipped with the machine shell footboard assembly, and the connecting place of electric hammer shell assembly and machine shell footboard assembly is equipped with buffer assembly, and the bottom of machine shell footboard assembly is equipped with battery pack;

[0007] The electric hammer shell assembly includes electric hammer rear shell and electric hammer front shell, and the electric hammer rear shell is fixedly installed at the rear end of the electric hammer front shell.

[0008] The machine shell footboard assembly includes rear machine shell footboard and front machine shell footboard, and the rear machine shell footboard is fixedly installed at the rear end of the front machine shell footboard.

[0009] The buffer assembly includes two buffer strips, and the two buffer strips are symmetrically arranged.

[0010] Preferably, the bottom of the electric hammer rear shell and the electric hammer front shell is integrally formed with a clamping seat, and the inner side wall of the clamping seat is surrounded by a clamping groove.

[0011] Preferably, the top of the rear machine shell footboard and the front machine shell footboard is integrally formed with a clamping plate, and the outer side wall of the clamping plate is provided with a groove at the bottom.

[0012] Preferably, the two buffer strips are connected to each other at one end, and the two buffer strips form a ring.

[0013] Preferably, the bottom end of the outer side wall of the buffer strip is provided with a square groove, and the inner side wall of the buffer strip extends to the inside of the groove.

[0014] Preferably, the top end of the outer side wall of the buffer strip extends to the clamping groove, and the top end of the buffer strip is integrally provided with an extension strip, and the extension strip is located between the top end of the outer side wall of the clamping plate and the inner side wall of the clamping seat.

[0015] The technical effects and advantages of the utility model are as follows:

[0016] The utility model discloses a buffer assembly is installed between the connecting place of machine shell foot plate assembly and electric hammer shell body assembly, and the buffer assembly has good buffering and damping effect, and the inner side wall of the buffer strip is clamped in the inside of the groove, and the top end of the outer side wall of the buffer strip is clamped in the inside of the clamping groove, so that buffering and damping in all directions can be realized while clamping, the influence of electric hammer vibration on machine shell foot plate assembly and battery pack is reduced, the failure rate of battery pack is effectively reduced, and the service life of battery pack is improved. ACCURACY OF DRAWINGS

[0017] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model.

[0018] Figure 2 It is the whole sectional view structure schematic diagram of the utility model.

[0019] Figure 3 It is the electric hammer shell body assembly structure schematic diagram of the utility model.

[0020] Figure 4 It is the Figure 3 A place structure enlarged schematic diagram of the utility model.

[0021] Figure 5 It is the machine shell foot plate assembly structure schematic diagram of the utility model.

[0022] Figure 6 It is the buffer assembly structure schematic diagram of the utility model.

[0023] In the drawing: 1, electric hammer shell body assembly;2, machine shell foot plate assembly;3, buffer assembly;4, battery pack;101, electric hammer rear shell body;102, electric hammer front shell body;103, clamping seat;104, clamping groove;201, rear machine shell foot plate;202, front machine shell foot plate;203, clamping plate;204, groove;301, buffer strip;302, square groove;303, extension strip. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0025] The utility model provides a kind of battery pack damping structure of electric hammer as Figures 1-6 As shown in a kind of battery pack damping structure of electric hammer, including electric hammer shell assembly 1, electric hammer shell assembly 1 bottom end installation is provided with machine shell footboard assembly 2, and electric hammer shell assembly 1 and machine shell footboard assembly 2 junction installation is provided with buffer assembly 3, the bottom end of machine shell footboard assembly 2 installation is provided with battery pack 4, electric hammer shell assembly 1 includes electric hammer rear shell 101 and electric hammer front shell 102, and electric hammer rear shell 101 is fixedly installed and is provided at the rear end of electric hammer front shell 102, the bottom end of electric hammer rear shell 101 and electric hammer front shell 102 is integrally formed with clamping seat 103, and the inner side wall of clamping seat 103 is surrounded with clamping groove 104.

[0026] Further, machine shell footboard assembly 2 includes rear machine shell footboard 201 and front machine shell footboard 202, and rear machine shell footboard 201 is fixedly installed and is provided at the rear end of front machine shell footboard 202, and the top end of rear machine shell footboard 201 and front machine shell footboard 202 is integrally formed with clamping plate 203, and the outer side wall bottom end of clamping plate 203 is provided with recess 204.

[0027] Buffer assembly 3 includes two buffer strips 301, and two buffer strips 301 are symmetrically arranged, and the end of two buffer strips 301 close to each other is connected, and two buffer strips 301 form a ring, and the outer side wall bottom end of buffer strip 301 is provided with square groove 302, and the inner side wall of buffer strip 301 extends to the inside of recess 204, and the outer side wall top end of buffer strip 301 extends to clamping groove 104, and the top end of buffer strip 301 is integrally formed with extension strip 303, and extension strip 303 is located between the outer side wall top end of clamping plate 203 and the inner side wall of clamping seat 103, and buffer strip 301 and extension strip 303 are made of buffer damping material, such as elastic rubber, etc., by the arrangement of buffer assembly 3, buffer assembly 3 is installed between the junction of machine shell footboard assembly 2 and electric hammer shell assembly 1, buffer assembly 3 itself has good buffer damping effect, and the inner side wall of buffer strip 301 is clamped in recess 204, and the outer side wall top end of buffer strip 301 is clamped in clamping groove 104, which can realize clamping and buffer damping in all directions, reduce the influence of electric hammer vibration on machine shell footboard assembly 2 and battery pack 4, effectively reduce the failure rate of battery pack 4, and improve the service life of battery pack 4.

[0028] The utility model working principle:

[0029] In use, the buffer assembly 3 is installed between the connecting part of the machine shell foot plate assembly 2 and the electric hammer shell assembly 1, the buffer assembly 3 has good buffering and damping effect, the inner side wall of the buffer strip 301 is clamped in the inner part of the groove 204, and the outer side wall top of the buffer strip 301 is clamped in the inner part of the clamping groove 104, so that clamping and buffering and damping in all directions can be realized, the influence of the electric hammer vibration on the machine shell foot plate assembly 2 and the battery pack 4 is reduced, and the failure rate of the battery pack 4 is effectively reduced.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement of some of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included within the scope of the present application.

Claims

1. A battery pack damping structure of an electric hammer, characterized by: The invention comprises an electric hammer housing assembly (1), a housing foot plate assembly (2) is installed at the bottom end of the electric hammer housing assembly (1), a buffer component (3) is installed at the connection between the electric hammer housing assembly (1) and the housing foot plate assembly (2), and a battery pack (4) is installed at the bottom end of the housing foot plate assembly (2); The electric hammer housing assembly (1) comprises an electric hammer rear housing (101) and an electric hammer front housing (102), and the electric hammer rear housing (101) is fixedly mounted on the rear end of the electric hammer front housing (102); The housing foot plate assembly (2) comprises a rear housing foot plate (201) and a front housing foot plate (202), and the rear housing foot plate (201) is fixedly mounted on the rear end of the front housing foot plate (202); The buffer assembly (3) comprises two buffer bars (301), and the two buffer bars (301) are symmetrically arranged.

2. The battery pack shock absorbing structure of an electric hammer according to claim 1, characterized in that: The bottom ends of the electric hammer rear housing (101) and the electric hammer front housing (102) are both integrally formed with a clamping seat (103), and the inner side wall of the clamping seat (103) is surrounded by a clamping slot (104).

3. The battery pack shock absorbing structure of an electric hammer according to claim 2, characterized in that: The top ends of the rear housing foot plate (201) and the front housing foot plate (202) are both integrally formed with a clamping plate (203), and a groove (204) is provided at the bottom end of the outer wall of the clamping plate (203).

4. The battery pack shock absorbing structure of an electric hammer according to claim 3, characterized in that: The two buffer strips (301) are connected in a close-to-each-other manner at their ends, and the two buffer strips (301) form a ring.

5. The battery pack shock absorbing structure of an electric hammer according to claim 4, characterized in that: A square groove (302) is provided at the bottom end of the outer side wall of the buffer strip (301), and the inner side wall of the buffer strip (301) extends to the inside of the groove (204).

6. The battery pack shock absorbing structure of an electric hammer according to claim 5, wherein: The top end of the outer wall of the buffer strip (301) extends to the card slot (104), and the top end of the buffer strip (301) is integrally formed with an extension strip (303), and the extension strip (303) is located between the top end of the outer wall of the card plate (203) and the inner wall of the card seat (103).

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