Electric engraver with detachable battery

Abstract

The utility model belongs to electric engraving tool technical field, concretely relates to a kind of electric engraving tool with detachable battery, including engraving tool main part, the rear end of engraving tool main part is provided with rear shell, the rear end of rear shell is connected with end cap, and installation cavity is formed between end cap and rear shell, battery compartment is provided in installation cavity, battery is provided in battery compartment, the rear end of battery compartment is connected with end cap, and press elastic part is formed in the both sides of end cap, buckle is provided in the end of press elastic part, the inner side wall of rear shell is formed with the clamping groove for buckle, the utility model is connected with the battery compartment from shell by the design of detachable end cap, so that in actual use process, when end cap is removed, can be removed, so that battery can be separated from engraving tool and charged, and the battery full of electricity is replaced and used, the use time of engraving tool can be improved, it is favorable for long time work use, and this dismounting structure is simple, and replacement is convenient.

Description

Technical Field

[0001] This utility model relates to the field of electric engraving knife technology, and specifically to an electric engraving knife with a detachable battery. Background Technology

[0002] Electric engraving cutters are a common tool widely used for carving decorative items. They are small, portable, and easy to operate, making them popular among engravers. Compared to traditional manual engraving cutters, they are also highly efficient and require less effort. Their main working principle is to make the blade at the front of the engraving cutter continuously reciprocate to impact the object being carved.

[0003] For example, patent number CN202320364916.X discloses an electric engraving knife, including a housing, an electric motor and a battery inside the housing, a switch on the periphery, and a blade at the front end; power is transmitted between the output shaft of the electric motor and the blade through a first drive shaft and a second drive shaft. The first drive shaft is fitted with a bearing on its periphery, and the inner wall of the housing has a corresponding bearing groove. The second drive shaft is fitted with a front sleeve and a rear sleeve on its periphery, and the inner wall of the housing has a corresponding front sleeve groove and a rear sleeve groove. A pin is provided between the front sleeve and the rear sleeve, and a return spring is provided between the rear sleeve and the pin. A steel ball is eccentrically arranged on the opposite end faces of the first drive shaft and the second drive shaft. When engraving, the blade is compressed, causing the steel balls between the second drive shaft and the first drive shaft to collide with each other, achieving continuous impact of the blade. When not engraving, the return spring, by limiting the pin, keeps the second drive shaft away from the first drive shaft, allowing the first drive shaft to idle.

[0004] The battery is fixedly installed inside the casing. When the battery is low, it can only be charged by connecting a charging cable through a USB charging structure, which is not conducive to long-term use. Therefore, its structure needs further improvement. Utility Model Content

[0005] The purpose of this invention is to provide an electric engraving knife with a detachable battery, which solves the problem of non-removable batteries in existing products by using an end cap.

[0006] The purpose of this utility model is achieved as follows: An electric engraving knife with a detachable battery includes an engraving knife body, a rear housing at the rear end of the engraving knife body, an end cap connected to the rear end of the rear housing, an installation cavity formed between the end cap and the rear housing, a battery compartment in the installation cavity, a battery in the battery compartment, the rear end of the battery compartment connected to the end cap, pressing elastic parts formed on both sides of the end cap, a buckle at the end of the pressing elastic part, and a slot for the buckle to engage on the inner side wall of the rear housing.

[0007] Preferably, elastic openings are provided between the two sides of the pressing elastic part and the end cap.

[0008] Preferably, the upper end surface of the pressing elastic part is formed with a recessed portion, and a plurality of protrusions are provided in the recessed portion.

[0009] Preferably, the inner wall of the end cap is formed with a plurality of locking blocks, and the outer periphery of the rear end of the battery compartment is formed with an annular locking portion that cooperates with the locking blocks.

[0010] Preferably, the annular snap-fit ​​portion has a snap-fit ​​opening, and the inner sidewall of the end cap is formed with a plurality of limiting strips that cooperate with the snap-fit ​​opening.

[0011] Preferably, the rear housing includes an upper housing and a lower housing fastened thereto. The front end of the rear housing is formed with a circular connecting part. The upper end face of the circular connecting part is provided with a wire outlet groove. The two sides of the circular connecting part are respectively formed with insertion ports. The rear end of the engraving knife body is formed with an installation port for inserting the circular connecting part. A plug-in post is provided in the installation port.

[0012] The outstanding and beneficial technical effects of this utility model compared to the prior art are:

[0013] This utility model features a detachable end cap design, which allows the battery compartment connected to it to be removed from the housing during actual use. This enables the battery to be separated from the carving tool for charging and replacement with a fully charged battery, thereby increasing the lifespan of the carving tool and facilitating long-term work. The disassembly and assembly structure is simple and easy to replace. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0015] Figure 2 This is a schematic diagram of the structure when the end cap, battery compartment, and main body are separated.

[0016] Figure 3 This is the rear housing. Exploded view of the end cap and battery compartment components.

[0017] Figure 4 This is a schematic diagram of the main structure of this utility model.

[0018] Figure 5 for Figure 4 A schematic diagram of the cross-sectional structure at point AA.

[0019] Reference numerals: 1-Engraving blade body; 2-Rear shell; 3-End cap; 4-Mounting cavity; 5-Battery compartment; 6-Pressing elastic part; 7-Snap fastener; 8-Slot; 9-Elastic opening; 10-Recessed part; 11-Protruding strip; 12-Clamping block; 13-Annular snap-fit ​​part; 14-Clamping opening; 15-Limiting strip; 16-Upper shell; 17-Lower shell; 18-Circular connecting part; 19-Wire outlet groove; 20-Socket; 21-Mounting port; 22-Plug-in post. Detailed Implementation

[0020] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings.

[0021] like Figure 1-5 As shown, an electric engraving knife with a detachable battery includes an engraving knife body 1, a rear housing 2 at the rear end of the engraving knife body 1, an end cap 3 connected to the rear end of the rear housing 2, an installation cavity 4 formed between the end cap 3 and the rear housing 2, a battery compartment 5 disposed in the installation cavity 4, and a battery disposed in the battery compartment 5 to provide the power required for the electric engraving knife to operate. The rear end of the battery compartment 5 is connected to the end cap 3, and pressing elastic parts 6 are formed on both sides of the end cap 3. A buckle 7 is provided at the end of the pressing elastic part 6, and a slot 8 is formed on the inner side wall of the rear housing 2 for the buckle 7 to engage.

[0022] This utility model features a detachable end cap design, which allows the battery compartment 5 connected to it to be removed from the housing during actual use. This enables the battery to be separated from the carving tool for charging and replacement with a fully charged battery, thereby increasing the lifespan of the carving tool and facilitating long-term work. The disassembly and assembly structure is simple and easy to replace.

[0023] The pressing elastic part 6 has elastic openings 9 on both sides between it and the end cover 3. By pressing the pressing elastic part 6, it can be deformed, allowing the buckle 7 to disengage from the slot 8 and complete the disassembly.

[0024] The upper end surface of the pressing elastic part 6 is formed with a recessed part 10, and a plurality of protrusions 11 are provided in the recessed part 10 to increase friction and prevent slippage during the insertion or removal of the end cap 3.

[0025] The inner wall of the end cover 3 is formed with a plurality of locking blocks 12, and the outer periphery of the rear end of the battery compartment 5 is formed with an annular locking part 13 that cooperates with the locking blocks 12, thereby achieving a fixed connection between the battery compartment 5 and the end cover 3 without the need for additional fasteners, thus reducing costs.

[0026] The annular snap-fit ​​part 13 has a snap-fit ​​opening 14, and the inner side wall of the end cover 3 is formed with a plurality of limiting strips 15 that cooperate with the snap-fit ​​opening 14, which can restrict the relative rotation between the end cover 3 and the battery compartment 5, so as to form a fixed connection.

[0027] The rear housing 2 includes an upper housing 16 and a lower housing 17 that is fastened to it. A circular connecting part 18 is formed at the front end of the rear housing 2. A wire outlet groove 19 is opened on the upper end surface of the circular connecting part 18. Insertion ports 20 are formed on both sides of the circular connecting part 18. An installation port 21 for inserting the circular connecting part 18 is formed at the rear end of the engraving knife body 1. An insertion post 22 is provided in the installation port 21.

[0028] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An electric engraving knife with a detachable battery, characterized in that, The device includes a carving knife body (1), a rear shell (2) at the rear end of the carving knife body (1), an end cap (3) connected to the rear end of the rear shell (2), an installation cavity (4) formed between the end cap (3) and the rear shell (2), a battery compartment (5) is provided in the installation cavity (4), a battery is provided in the battery compartment (5), the rear end of the battery compartment (5) is connected to the end cap (3), a pressing elastic part (6) is formed on both sides of the end cap (3), a buckle (7) is provided at the end of the pressing elastic part (6), and a slot (8) for the buckle (7) to be engaged is formed on the inner side wall of the rear shell (2).

2. The electric engraving cutter with a detachable battery according to claim 1, characterized in that: The pressing elastic part (6) has elastic openings (9) between its two sides and the end cap (3).

3. The electric engraving tool with a detachable battery according to claim 2, characterized in that: The upper end surface of the pressing elastic part (6) is formed with a recess (10), and a plurality of protrusions (11) are provided in the recess (10).

4. The electric engraving cutter with a detachable battery according to claim 1, characterized in that: The inner wall of the end cap (3) is formed with a plurality of locking blocks (12), and the outer periphery of the rear end of the battery compartment (5) is formed with an annular locking part (13) that cooperates with the locking blocks (12).

5. The electric engraving cutter with a detachable battery according to claim 4, characterized in that: The annular snap-fit ​​part (13) has a snap-fit ​​opening (14), and the inner sidewall of the end cap (3) is formed with a number of limiting strips (15) that cooperate with the snap-fit ​​opening (14).

6. The electric engraving cutter with a detachable battery according to claim 1, characterized in that: The rear housing (2) includes an upper housing (16) and a lower housing (17) fastened thereto. A circular connecting part (18) is formed at the front end of the rear housing (2). A wire outlet groove (19) is opened on the upper end face of the circular connecting part (18). Insertion ports (20) are formed on both sides of the circular connecting part (18). An installation port (21) for inserting the circular connecting part (18) is formed at the rear end of the engraving knife body (1). A plug-in post (22) is provided in the installation port (21).

Images