Electric fire needle

Abstract

The utility model relates to the technical field of electric fire needles, and particularly discloses an electric fire needle which comprises a hollow shell, a heating coil is fixedly arranged in the shell, a plurality of fire needles are arranged in the shell in a sliding mode, one end of each fire needle is arranged in the heating coil, and an opening for the fire needles to penetrate out is formed in one end of the shell. The rash needle has the advantages that the needle head with the corresponding thickness can be flexibly selected according to the size, thickness and the like of rash, and the use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of electric spark needles, in particular to an electric spark needle. Background Art

[0002] The prior art (CN 209464084 U) discloses an electric fire needle for dermatology, which includes a pen holder and a temperature control device. The pen holder is connected to the temperature control device through an external wire. The pen holder includes a housing, a slider, an electric heating device and a needle. The slider and the electric heating device are both arranged inside the housing. The slider is connected to the upper end of the electric heating device. The lower end of the electric heating device is provided with a plurality of fixed connection pinholes, and the needle head is movably inserted into the fixed connection pinholes. The advantages of the utility model are: convenient operation, the opening and closing control button is arranged on the push block, and the operation can be conveniently performed with a single hand holding pen, which reduces the difficulty of operation and is more suitable for operation with higher precision requirements such as the face; the fire needle is combined with the electric heating technology, and the temperature of the fire needle can be accurately controlled through the electric heating and temperature control device; the depth of penetration into the skin can be accurately controlled by adjusting the push block, and the number, thickness and material of the needle head can be flexibly selected according to the size and thickness of the rash through the multi-pinhole design.

[0003] However, since the needles in the prior art are installed at the lower end of the electric heating device, although the number, thickness and material of the needles can be flexibly selected according to the size and thickness of the rash, when in use, if the rashes are large or small, it is necessary to first install a thick needle at the lower end of the electric heating device to pierce the large rash, and then install a thin needle at the lower end of the electric heating device to pierce the small rash. Since the needles in the prior art are inserted into the electric heating device, it is necessary to remove the thick needle and then install the thin needle, which is actually more troublesome to use. Utility Model Content

[0004] The utility model aims to overcome the disadvantages of the prior art and provide an electric spark needle.

[0005] The purpose of the utility model is achieved through the following technical scheme: an electric fire needle, comprising a hollow shell, a heating coil is fixedly arranged in the shell, a plurality of fire needles are slidably arranged in the shell, one end of the fire needle is placed in the heating coil, and an opening for the fire needle to pass through is arranged at one end of the shell.

[0006] Specifically, a heat insulating sleeve is provided on the outside of the shell at the heating coil.

[0007] Specifically, a plurality of slide grooves are axially arranged on the shell, a plurality of locking grooves perpendicular to the slide grooves are arranged on the shell, and a connecting part is arranged on the fire needle, the connecting part is slidably connected to the slide groove, and the connecting part is connected to a push block.

[0008] Specifically, a fixed block is provided in the shell, a sliding hole is provided on the fixed block, the fire needle is slidably connected with the sliding hole, a limiting convex ring is provided on the fire needle, a return spring is sleeved on the fire needle, one end of the return spring abuts on the fixed block, and the other end abuts on the limiting convex ring.

[0009] Specifically, a locking groove perpendicular to the locking groove is provided at one end of the locking groove away from the sliding groove.

[0010] The utility model has the following advantages:

[0011] The utility model slides a plurality of fire needles of different thicknesses in a shell, and medical personnel can flexibly select needles of corresponding thicknesses according to the size and thickness of the rash, which is easy to use and does not require replacement of the fire needles for reuse. At the same time, the utility model can also adjust the length of the fire needles extending out of the shell, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the overall structure of the electric spark needle of the utility model;

[0013] Figure 2 This is a schematic diagram of the internal structure of the electric spark needle of the utility model;

[0014] Figure 3 This is a schematic diagram of the housing structure of the utility model;

[0015] Figure 4 for Figure 3 A schematic diagram of the enlarged structure at A in the middle;

[0016] Figure 5 This is a schematic diagram of the fixed block structure of the utility model;

[0017] In the figure: 1-housing, 2-fire needle, 3-heating coil, 4-connecting part, 5-fixing block, 51-sliding hole, 6-reset spring, 7-push block, 8-insulating sleeve, 9-sliding groove, 10-locking groove, 11-card groove, 12-limiting convex ring. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model, that is, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the utility model provided in the accompanying drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents selected embodiments of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0020] It should be noted that relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including a..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0021] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0022] like Figure 1-5 As shown, an electric fire needle comprises a hollow shell 1, a heating coil 3 is fixedly arranged in the shell 1, a plurality of fire needles 2 are slidably arranged in the shell 1, one end of the fire needle 2 is placed in the heating coil 3, and an opening for the fire needle 2 to pass through is arranged at one end of the shell 1. In this embodiment, the shell 1 is a cylindrical structure, the heating coil 3 is fixed at one end in the shell 1, a plurality of fire needles 2 are slidably arranged in the shell 1, preferably three fire needles 2 are arranged, the three fire needles 2 have the same structure, but different thicknesses, corresponding to thick, medium and thin, respectively, so that during treatment, the fire needle 2 of corresponding thickness can be slid according to the size of the rash to extend out of the shell 1, the fire needle 2 passes through the heating coil 3 when extending out of the shell 1, and the fire needle 2 is heated by the heating coil 3, which is more convenient to use, and there is no need to replace the fire needle 2 of the corresponding size, the heating coil 3 is connected to the power supply through an external wire, and the heating temperature can be controlled by controlling the current passing through the heating coil 3 through an external device.

[0023] Furthermore, a heat insulating sleeve 8 is provided on the outside of the shell at the heating coil 3. In order to prevent the heating coil 3 from causing the shell 1 to heat up and burn the user during heating, a heat insulating sleeve 8 is provided on the outside of the shell 1 at a position corresponding to the heating coil 3 to prevent burns.

[0024] Further, the shell 1 is provided with a plurality of slide grooves 9 in the axial direction, the shell 1 is provided with a plurality of locking grooves 10 perpendicular to the slide grooves 9, the fire needle 2 is provided with a connecting portion 4, the connecting portion 4 is slidably connected to the slide groove 9, and the connecting portion 4 is connected to a push block 7. In this embodiment, in order to facilitate the operator to slide the fire needle 2, three slide grooves 9 are preferably provided in the axial direction on the side wall of the shell 1, and the three slide grooves 9 are arranged in a circumferential array, and then a plurality of locking grooves 10 perpendicular to the slide groove 9 are provided, and the locking groove 10 is connected to the slide groove 9. In this way, by providing a connecting portion 4 on the fire needle 2 and slidably connecting the connecting portion 4 with the slide groove 9, the push block 7 is arranged outside the shell 1 and connected to the connecting portion 4, so that the connecting portion 4 can slide along the slide groove 9 by pushing the push block 7, so that the fire needle 2 can be driven to extend out of the shell 1, and the connecting portion 4 can be slid into the locking groove 10, so that the length of the fire needle 2 extending can be controlled, which is convenient for use, and the locking grooves 10 sliding into different positions can control different extension lengths.

[0025] Furthermore, a fixed block 5 is provided in the shell 1, a sliding hole 51 is provided on the fixed block 5, the fire needle 2 is slidably connected with the sliding hole 51, a limiting convex ring 12 is provided on the fire needle 2, a return spring 6 is sleeved on the fire needle 2, one end of the return spring 6 abuts against the fixed block 5, and the other end abuts against the limiting convex ring 12. In the present embodiment, in order to relatively fix the position of the fire needle 2 so that it does not shake during use, a fixing block 5 is fixed in the shell 1, and a penetrating sliding hole 51 is provided on the fixing block 5, so that the fire needle 2 is slidably connected with the sliding hole 51, and the position of the fire needle 2 can be limited by the fixing block 5 so that it can only slide along the axial position to prevent shaking during use. At the same time, a limiting convex ring 12 is provided on the fire needle 2 for installing a reset spring 6. When the fire needle 2 slides out of the shell 1, the reset spring 6 is compressed, so that when the connecting part 4 slides into the locking groove 10, the connecting part 4 can abut against the inner wall of the locking groove 10, so that the connecting part 4 can be stably stuck in the locking groove 10.

[0026] Furthermore, a slot 11 perpendicular to the locking slot 10 is provided at one end of the locking slot 10 away from the slide slot 9. In order to make the structure more stable after the ignition needle 2 extends out of the housing 1 in one step, a slot 11 is provided, and the connecting part 4 slides into the locking slot 10 and then snaps into the slot 11, and then the spring retracts the connecting part 4 along one end distance, so that it can cooperate with the reset spring 6 to make the position limit of the connecting part 4 more stable.

[0027] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any technician familiar with the field can make many possible changes and modifications to the technical solution of the utility model by using the above-mentioned technical content without departing from the scope of the technical solution of the utility model, or modify it into an equivalent embodiment of equivalent changes. Therefore, any changes, modifications, equivalent changes and modifications made to the above embodiments based on the technology of the utility model without departing from the content of the technical solution of the utility model shall fall within the protection scope of the technical solution of the utility model.

Claims

1. An electric spark needle, characterized in that: The invention comprises a hollow shell (1), a heating coil (3) being fixedly arranged in the shell (1), a plurality of fire needles (2) being slidably arranged in the shell (1), one end of each fire needle (2) being placed in the heating coil (3), and an opening for the fire needles (2) to pass through being arranged at one end of the shell (1).

2. The electric spark needle according to claim 1, characterized in that: A heat insulating sleeve (8) is provided on the outside of the housing (1) at the heating coil (3).

3. The electric spark needle according to claim 1, characterized in that: The housing (1) is provided with a plurality of slide grooves (9) along the axial direction, the housing (1) is provided with a plurality of locking grooves (10) perpendicular to the slide grooves (9), the ignition needle (2) is provided with a connecting portion (4), the connecting portion (4) is slidably connected to the slide groove (9), and the connecting portion (4) is connected to a push block (7).

4. The electric spark needle according to claim 3, characterized in that: A fixing block (5) is arranged in the housing (1), a sliding hole (51) is arranged on the fixing block (5), the ignition needle (2) is slidably connected to the sliding hole (51), a limiting convex ring (12) is arranged on the ignition needle (2), a return spring (6) is sleeved on the ignition needle (2), one end of the return spring (6) abuts against the fixing block (5), and the other end abuts against the limiting convex ring (12).

5. The electric spark needle according to claim 4, characterized in that: A locking groove (11) perpendicular to the locking groove (10) is provided at one end of the locking groove (10) away from the sliding groove (9).

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