Illuminating device of glue gun

Abstract

The utility model discloses a lighting device of a glue gun, which is characterized by comprising a tube barrel, a lamp panel mounting seat and a lampshade, the tube barrel is cylindrical and is used for mounting a glue barrel, two groups of conducting strip groups which are distributed at intervals are embedded on the tube barrel, the lamp panel mounting seat is detachably fixed with the front end of the tube barrel, an annular lamp panel is fixedly arranged on the lamp panel mounting seat, and the lampshade is fixedly arranged on the lamp panel mounting seat. When the lamp panel installation base is fixed to the front end of the pipe barrel, the two conductive elastic pieces make contact with the front ends of the two conductive piece sets in a one-to-one correspondence mode, and when the rear end of the pipe barrel is fixedly connected to a glue gun body, the conductive elastic pieces make contact with the front ends of the conductive piece sets in a one-to-one correspondence mode. The rear ends of the two conducting strip groups are in one-to-one correspondence contact with positive and negative electrode contacts of a power supply on the main body; the lampshade is fixed on the lamp panel mounting seat and covers the lamp panel; the device has the advantages that the annular lamp panel can be arranged at the front end of the pipe barrel, the illumination range is large, and the illumination effect is good.

Description

Technical Field

[0001] The utility model relates to a glue gun used for gluing, in particular to a lighting device of the glue gun. Background Art

[0002] Glue guns are commonly used glue application tools. If used in dark environments or at night, it is usually necessary to use additional lighting tools to apply glue, which reduces the quality and efficiency of construction and also brings inconvenience to construction. To solve the above problems, some people directly install lighting on the glue gun, and for the convenience of gluing, some people will install the lighting at the end of the glue gun. For example, the Chinese utility model patent with patent number ZL202121950761.5 discloses a lighting device for an electric glue gun, including a lighting lamp and a glue barrel sleeve assembly fixed at the front end of the glue gun housing, the lighting lamp is fixed at the front end of the glue barrel sleeve assembly, and the characteristic is that the glue barrel sleeve assembly includes an insulating mounting seat and a left sleeve and a right sleeve fixed on the mounting seat and conductive, the left sleeve and the right sleeve are independent of each other and are respectively electrically connected to the positive and negative electrodes on the power supply in the glue gun, the positive and negative electrodes of the lighting lamp are respectively fixed to the front ends of the left sleeve and the right sleeve and conductive, a switch is provided on the glue gun housing, and the power supply, the left sleeve, the right sleeve, the lighting lamp and the switch form a circuit loop. The advantage is that the lighting device uses the conductive left sleeve and the right sleeve in the glue barrel sleeve assembly to replace the wire used to connect the lighting lamp, avoiding the problem of exposed wires on the traditional glue gun with a front light, and at the same time, the glue barrel sleeve assembly, as a container component of the glue hose, plays a dual-purpose role. However, since the illuminating lamp is directly fixed to the front ends of the left sleeve and the right sleeve, the illuminating lamp can only be semicircular, which affects the illumination range of the illuminating lamp. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a lighting device for a glue gun, which has a large lighting range and good lighting effect.

[0004] The technical solution adopted by the utility model to solve the above-mentioned technical problems is: a lighting device for a glue gun, comprising a tube, a lamp board mounting seat and a lampshade, the tube is cylindrical and is used to install the glue tube, two groups of conductive sheet groups distributed at intervals are embedded on the tube, the lamp board mounting seat is detachably fixed to the front end of the tube, a circular ring-shaped lamp board is fixed on the lamp board mounting seat, and conductive spring sheets are fixed at the positive and negative poles of the lamp board, respectively, when the lamp board mounting seat is fixed to the front end of the tube, the two conductive spring sheets contact with the front ends of the two groups of conductive sheet groups one by one, and when the rear end of the tube is fixedly connected to the main body of the glue gun, the rear ends of the two groups of conductive sheet groups contact with the positive and negative electrode contacts of the power supply on the main body one by one, and the lampshade is fixed on the lamp board mounting seat and covers the lamp board.

[0005] Furthermore, the conductive sheet group includes an electrode contact sheet and a long conductive sheet. The rear end of the tube is provided with a first slot, the electrode contact sheet is inserted into the first slot and tightly fits with the first slot, the outer surface of the tube is provided with a slot connected to the first slot, the long conductive sheet is embedded in the slot, and the rear end of the long conductive sheet is in contact with the front end of the electrode contact sheet. When the lamp board mounting seat is fixed to the front end of the tube, the conductive spring sheet is in contact with the front end of the long conductive sheet. When the rear end of the tube is fixedly connected to the main body of the glue gun, the rear ends of the electrode contact sheets in the two groups of conductive sheet groups are in contact with the positive and negative electrode contacts of the power supply one by one.

[0006] Furthermore, a plurality of barbs are integrally provided on both sides of the electrode contact piece, and when the electrode contact piece is inserted into the first slot, the ends of the barbs are embedded in the slot wall of the first slot.

[0007] Furthermore, an insulating decorative sheet is embedded in the outer surface of the tube, and the decorative sheet covers the long conductive sheet.

[0008] Furthermore, a tube locking mechanism is provided between the rear end of the tube and the main body.

[0009] Furthermore, the tube locking mechanism includes a locking block and a spring, the locking block passes through the main body and faces the rear end of the tube, the locking block is integrally provided with a paddle, the paddle passes through the main body, the spring abuts between the main body and the paddle, and a locking groove is provided on the rear end surface of the tube, and when the rear end of the tube is connected to the main body, the locking block extends into the locking groove to prevent the tube from rotating.

[0010] Furthermore, a second slot is provided on the side wall of the lamp panel mounting seat, and the conductive spring is inserted into the second slot.

[0011] Furthermore, the lamp panel mounting seat is screwed and fixed to the front end of the tube.

[0012] Furthermore, a heat sink is fixed to the rear end surface of the lamp board.

[0013] Furthermore, a lighting switch is arranged on the main body, and the lighting switch, power supply, conductive sheet group, conductive spring sheet and light board form a lighting circuit.

[0014] Compared with the prior art, the advantage of the utility model is that the device makes it possible to set a ring-shaped light board at the front end of the tube, which has a large lighting range and good lighting effect; and when the rubber tube needs to be replaced, it is only necessary to unscrew the light board mounting seat from the front end of the tube, which facilitates the replacement of the rubber tube and ensures the circuit contact reliability of the lighting device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the installation of the utility model on the glue gun body;

[0016] Figure 2 It is a structural schematic diagram of the connection between the tube and the main body of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the tube locking mechanism of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the rear end of the tube of the utility model;

[0019] Figure 5 It is an exploded schematic diagram of the utility model;

[0020] Figure 6 It is a cross-sectional view of the utility model. DETAILED DESCRIPTION

[0021] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0022] As shown in the figure, a lighting device for a glue gun includes a tube 1, a lamp board mounting seat 2 and a lampshade 3. The tube 1 is cylindrical and is used to install the glue tube. Two groups of conductive sheet groups distributed at intervals are embedded on the tube 1. The conductive sheet group includes an electrode contact sheet 4 and a long conductive sheet 5. A first slot 11 is provided at the rear end of the tube 1. The electrode contact sheet 4 is inserted into the first slot 11 and tightly matched with the first slot 11. A slot 12 connected to the first slot 11 is provided on the outer surface of the tube 1. The long conductive sheet 5 is embedded in the slot 12, and the rear end of the long conductive sheet 5 contacts the front end of the electrode contact sheet 4. An insulating decorative sheet 6 is embedded on the outer surface of the tube 1. The decorative sheet 6 covers the long conductive sheet 5. When the rear end of the tube 1 is fixedly connected to the main body 7 of the glue gun, such as: threaded connection or snap connection, the two groups of conductive The rear end of the electrode contact sheet 4 in the sheet group contacts the positive and negative electrode contacts 71 of the power supply on the main body 7 in a one-to-one correspondence. The lamp board mounting seat 2 is screwed and fixed to the front end of the tube 1. A circular lamp board 8 is fixedly arranged on the lamp board mounting seat 2. The positive and negative poles of the lamp board 8 are respectively fixedly arranged with conductive springs 9. A second through slot 21 is arranged on the side wall of the lamp board mounting seat 2. The conductive springs 9 are inserted into the second slot 21. When the lamp board mounting seat 2 is screwed and fixed to the front end of the tube 1, the two conductive springs 9 contact the front ends of the long conductive sheets 5 in the two groups of conductive sheets in a one-to-one correspondence. A heat sink 10 is fixed to the rear end face of the lamp board 8. The lampshade 3 is fixed to the lamp board mounting seat 2 and covers the lamp board 8. The fixing method of the lampshade 3 and the lamp board mounting seat 2 can be snap-fitting or screw-fitting. A lighting switch 72 is arranged on the main body 7. The lighting switch 72, the power supply, the conductive sheet group, the conductive springs 9 and the lamp board 8 form a lighting circuit.

[0023] When in use, first fix the rear end of the tube 1 to the main body 7, then install the rubber tube into the tube 1, and finally screw the lamp board mounting seat 2 to the front end of the tube 1. When the rubber tube is to be replaced, the lamp board mounting seat 2 can be screwed off.

[0024] In order to prevent the tube 1 from rotating when the light panel mounting base 2 is rotated, a tube locking mechanism can be further provided between the rear end of the tube 1 and the main body 7. The tube locking mechanism includes a locking block 13 and a spring 14. The locking block 13 passes through the main body 7 and faces the rear end of the tube 1. A paddle 15 is integrally provided on the locking block 13. The paddle 15 passes through the main body 7. The spring 14 rests between the main body 7 and the paddle 15. A locking groove 16 is provided on the rear end surface of the tube 1. When the rear end of the tube 1 is connected to the main body 7, the locking block 13 extends into the locking groove 16 to prevent the tube 1 from rotating. When the tube 1 is to be removed from the main body 7, the paddle 15 is pushed backward to disengage the locking block 13 from the locking groove 16, and the tube 1 can be rotated.

[0025] In addition, in order to better prevent the electrode contact piece 4 from falling out of the first slot 11 of the tube 1, multiple barbs 41 can be integrally provided on both sides of the electrode contact piece 4. When the electrode contact piece 4 is inserted into the first slot 11, the ends of the barbs 41 are embedded in the groove wall of the first slot 11.

[0026] The protection scope of the present invention includes but is not limited to the above embodiments, and its protection scope is subject to the claims. Any replacement, deformation, and improvement of the technology that can be easily thought of by technicians in this field shall fall within the protection scope of the present invention.

Claims

1. A lighting device for a glue gun, characterized in that It includes a tube, a lamp board mounting seat and a lampshade. The tube is cylindrical and is used to install a glue tube. Two groups of conductive sheet groups distributed at intervals are embedded on the tube. The lamp board mounting seat is detachably fixed to the front end of the tube. A circular ring-shaped lamp board is fixed on the lamp board mounting seat. The positive and negative poles of the light board are respectively fixed with conductive spring sheets. When the light board mounting seat is fixed to the front end of the tube, the two conductive spring sheets contact with the front ends of the two groups of conductive sheet groups one by one. When the rear end of the tube is fixedly connected to the main body of the glue gun, the rear ends of the two groups of conductive sheet groups contact with the positive and negative electrode contacts of the power supply on the main body one by one. The lampshade is fixed on the lamp board mounting seat and covers the light board.

2. The lighting device for a glue gun according to claim 1, characterized in that: The conductive sheet group includes an electrode contact sheet and a long conductive sheet. A first slot is provided at the rear end of the tube. The electrode contact sheet is inserted into the first slot and tightly matched with the first slot. A slot connected to the first slot is provided on the outer surface of the tube. The long conductive sheet is embedded in the slot, and the rear end of the long conductive sheet contacts the front end of the electrode contact sheet. When the lamp board mounting seat is fixed to the front end of the tube, the conductive spring sheet contacts the front end of the long conductive sheet. When the rear end of the tube is fixedly connected to the main body of the glue gun, the rear ends of the electrode contact sheets in the two groups of conductive sheet groups contact the positive and negative electrode contacts of the power supply one by one.

3. The lighting device for a glue gun according to claim 2, characterized in that: A plurality of barbs are integrally arranged on both sides of the electrode contact piece. When the electrode contact piece is inserted into the first slot, the ends of the barbs are embedded in the slot wall of the first slot.

4. The lighting device for a glue gun according to claim 2, characterized in that: An insulating decorative sheet is embedded on the outer surface of the tube, and the decorative sheet covers the long conductive sheet.

5. The lighting device for a glue gun according to claim 1, characterized in that: A tube locking mechanism is arranged between the rear end of the tube and the main body.

6. A lighting device for a glue gun as claimed in claim 5, characterized in that: The tube locking mechanism includes a locking block and a spring. The locking block passes through the main body and faces the rear end of the tube. A paddle is integrally provided on the locking block. The paddle passes through the main body. The spring abuts between the main body and the paddle. A locking groove is provided on the rear end surface of the tube. When the rear end of the tube is connected to the main body, the locking block extends into the locking groove to prevent the tube from rotating.

7. The lighting device for a glue gun according to claim 1, characterized in that: A penetrating second slot is arranged on the side wall of the lamp panel mounting seat, and the conductive spring sheet is inserted into the second slot.

8. The lighting device for a glue gun according to claim 1, characterized in that: The lamp panel mounting seat is screwed and fixed to the front end of the tube.

9. The lighting device for a glue gun according to claim 1, characterized in that: A heat sink is fixed to the rear end surface of the lamp board.

10. The lighting device for a glue gun according to claim 1, characterized in that: The main body is provided with a lighting switch, and the lighting switch, power supply, conductive sheet group, conductive spring sheet and light board form a lighting circuit.

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