High-stability rechargeable brushless pneumatic nail gun

Abstract

The utility model relates to the field of pneumatic nail guns, in particular to a high-stability rechargeable brushless pneumatic nail gun. A shell is fixed on the surface of a control panel, a switch is arranged in the shell, a bidirectional fan blade radiator is arranged on the side surface of the switch, an air cylinder assembly is arranged in the shell, a crankshaft connecting rod mechanism is arranged on the side of the air cylinder assembly, a trigger protection mechanism is arranged below a gun body, and a gearbox assembly is arranged on the surface of the trigger protection mechanism. The rechargeable brushless pneumatic nail gun has the advantages that the rechargeable brushless pneumatic nail gun is further provided with a trigger protection mechanism, the trigger protection mechanism needs to be matched with a switch to shoot out gun nails, and safety of a user is guaranteed; in addition, the trigger protection mechanism further has the function of adjusting the shooting depth of the nail gun, so that the use of different requirements is met, and the stability of the rechargeable brushless pneumatic nail gun during working is improved.

Description

Technical Field

[0001] The utility model relates to the field of pneumatic nail guns, in particular to a high-stability rechargeable brushless pneumatic nail gun. Background Art

[0002] The nail gun is a product composed of a gun body and a magazine.

[0003] In the prior art, rechargeable brushless pneumatic nail guns are widely used in the fields of construction, furniture making and decoration. They convert the rotation of the motor into the force of the compression spring through a gear mechanism to achieve instantaneous striking of the nails, thereby achieving the effect of embedding the nails.

[0004] However, the shortcomings of traditional rechargeable brushless pneumatic nail guns are that they can only be clicked once, the spring can be compressed a limited number of times, the elastic force drops significantly in the middle and late stages, the life is short, and the after-action force is large, resulting in reduced practicality and poor stability. Utility Model Content

[0005] The utility model aims to provide a high-stability rechargeable brushless pneumatic nail gun to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a high-stability rechargeable brushless pneumatic nail gun, the high-stability rechargeable brushless pneumatic nail gun comprising:

[0007] Control panel; a housing is fixed on the surface of the control panel, a switch is arranged inside the housing, a two-way fan blade radiator is arranged on the side surface of the switch, a cylinder assembly is arranged inside the housing, and a crankshaft connecting rod mechanism is arranged on the side of the cylinder assembly;

[0008] A gun body; a trigger protection mechanism is arranged under the gun body, a gear box assembly is arranged on the surface of the trigger protection mechanism, a brushless motor assembly is arranged on the surface of the gear box assembly, a gun nozzle is arranged at the end of the gun body, and a multi-purpose magazine is arranged on the surface of the gun nozzle.

[0009] Preferably, the control board and the brushless motor assembly are installed in the casing, and the brushless motor assembly is located at the upper end of the control board, the front end of the brushless motor assembly is connected to the gear box assembly, the muzzle is installed at one end of the casing, the multi-purpose magazine is installed at the lower end of the muzzle, and a trigger protection mechanism is also installed on the casing.

[0010] Preferably, a trigger is fixedly mounted at the front end of the gun nozzle, a connecting rod is provided on one side of the trigger, and one end of the connecting rod is mounted on the trigger through a nut.

[0011] Preferably, the other end surface of the connecting rod is sleeved with a depth adjustment knob assembly, and a switch slider 1 is threadedly connected to the end of the connecting rod. A Hall sensor is provided at the upper end of the switch slider 1 and installed on the inner wall of the casing. A positioning pin 1 is installed in the switch slider 1, and a return spring 1 is sleeved on the outer wall of the positioning pin 1.

[0012] Preferably, a trigger is provided inside the switch, a switch slider 2 is provided at the side end of the trigger, the switch slider 2 is inserted into the switch box body, a positioning pin 2 is provided on the inner wall of the switch box body, a reset spring 2 is sleeved on the surface of the positioning pin 2, and a Hall sensor is provided inside the switch box body.

[0013] Preferably, a cylinder is provided on the outer surface of the cylinder assembly, an O-ring and a guide wear-resistant ring are provided on the inner wall of the cylinder, a piston is inserted into the cylinder assembly, and the inner wall diameter of the front end of the cylinder is larger than the inner wall diameter of the middle end to form a step.

[0014] Preferably, the middle part of the piston is provided with an O-ring and the tail part is provided with a guide wear-resistant ring.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The brushless motor assembly converts electrical energy into kinetic energy to drive the front end gear to rotate, and the front end gear of the brushless motor assembly drives the gear set in the gear box assembly to rotate. The front end transmission gear of the brushless motor assembly transmits kinetic energy to the gear set in the gear box assembly, and then transmits the driving energy to the crankshaft connecting rod mechanism through the output shaft through the gear set. The crankshaft connecting rod mechanism drives the piston in the cylinder assembly to reciprocate. When the air is compressed to the limit, the clutch is triggered by the connecting rod mechanism to push the gun needle in the gun body out, thereby pushing the gun nail out through the gun nozzle. A multi-purpose magazine is provided under the gun nozzle, which can be matched with F nails, U nails, and T nails. It is convenient and easy to change nails without jamming, which can meet the user's needs for one machine for multiple uses. In addition, the rechargeable brushless pneumatic nail gun is also equipped with a trigger protection mechanism, which needs to cooperate with the switch to shoot the gun nails to ensure the safety of the user. In addition, the trigger protection mechanism also has the function of adjusting the depth of the gun nail injection, so as to meet the use of different needs, thereby realizing the improvement of the stability of the rechargeable brushless pneumatic nail gun when working. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the trigger protection mechanism of the utility model;

[0019] Figure 3 This is a schematic diagram of the switch structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the fan blade radiator of the utility model;

[0021] Figure 5 It is a schematic diagram of the other side of the main structure of the utility model;

[0022] Figure 6 This is a schematic cross-sectional view of the cylinder assembly structure of the utility model;

[0023] Figure 7 It is a schematic cutaway diagram of the main structure of the utility model.

[0024] In the figure: 1. control panel; 2. housing; 3. switch; 4. brushless motor assembly; 5. cylinder assembly; 6. gun body; 7. gear box assembly; 8. trigger protection mechanism; 9. gun nozzle; 10. multi-purpose magazine; 11. trigger; 12. nut; 13. connecting rod; 14. depth adjustment knob; 15. switch slider 1; 16. Hall sensor; 17. reset spring 1; 18. positioning pin 1; 19. trigger; 20. switch slider 2;

[0025] 21. Reset spring 2; 22. Locating pin 2; 23. Switch box; 24. Hall sensor; 25. Fan blade radiator; 26. Piston; 27. Cylinder; 28. O-ring; 29. ​​Guide wear-resistant ring; 30. Crankshaft connecting rod mechanism. DETAILED DESCRIPTION

[0026] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] For example, see Figure 1-Figure 7 The utility model provides a technical solution: a high-stability rechargeable brushless pneumatic nail gun, a housing 2 is fixed on the surface of a control panel 1, a switch 3 is arranged inside the housing 2, a bidirectional fan blade radiator 25 is arranged on the side surface of the switch 3, a cylinder assembly 5 is arranged inside the housing 2, a front-end transmission gear of a brushless motor assembly 4 transmits kinetic energy to a gear set in a gear box assembly 7, and then the driving energy is transmitted to a crankshaft connecting rod mechanism 30 through an output shaft through the gear set, and the crankshaft connecting rod mechanism 30 drives the piston in the cylinder assembly 5 to reciprocate, and a crankshaft connecting rod mechanism 30 is arranged on the side of the cylinder assembly 5;

[0028] A trigger protection mechanism 8 is provided under the gun body 6. The rechargeable brushless pneumatic nail gun is also equipped with a trigger protection mechanism 8, which needs to cooperate with the switch 3 to shoot the nails to ensure the safety of the user. In addition, the trigger protection mechanism 8 also has the function of adjusting the depth of the nail injection to meet the use of different needs. A gear box assembly 7 is provided on the surface of the trigger protection mechanism 8, and a brushless motor assembly 4 is provided on the surface of the gear box assembly 7. A gun nozzle 9 is provided at the end of the gun body 6, and a multi-purpose clip 10 is provided on the surface of the gun nozzle 9, which can be matched with F nails, U nails, and T nails. The nail replacement is convenient and easy without nail jamming, which can meet the user's needs for one machine with multiple uses.

[0029] On the basis of the first embodiment, in order to improve the stability of the rechargeable brushless pneumatic nail gun, the control board 1 and the brushless motor assembly 4 are installed in the housing 2, and the brushless motor assembly 4 is located at the upper end of the control board 1, the front end of the brushless motor assembly 4 is connected to the gear box assembly 7, the gun nozzle 9 is installed at one end of the housing 2, the multi-purpose magazine 10 is installed at the lower end of the gun nozzle 9, and the housing 2 is also installed with a trigger protection mechanism 8;

[0030] A trigger 11 is fixedly mounted at the front end of the gun nozzle 9, a connecting rod 13 is provided on one side of the trigger 11, and one end of the connecting rod 13 is mounted on the trigger 11 through a nut 12;

[0031] The other end surface of the connecting rod 13 is sleeved with a depth adjustment knob assembly 14, and the end of the connecting rod 13 is threadedly connected with a switch slider 15, and the upper end of the switch slider 15 is provided with a Hall sensor 16 installed on the inner wall of the housing 2, and a positioning pin 18 is installed in the switch slider 15, and a return spring 17 is sleeved on the outer wall of the positioning pin 18;

[0032] A trigger 19 is provided inside the switch 3, and a switch slider 20 is provided at the side end of the trigger 19. The switch slider 20 is inserted into the switch box 23. A positioning pin 22 is provided on the inner wall of the switch box 23. A reset spring 21 is sleeved on the surface of the positioning pin 22. A Hall sensor 24 is provided inside the switch box 23.

[0033] The outer surface of the cylinder assembly 5 is provided with a cylinder 27, the inner wall of the cylinder 27 is provided with an O-ring 28 and a guide wear-resistant ring 29, a piston 26 is inserted into the cylinder assembly 5, and the inner wall diameter of the front end of the cylinder 27 is larger than the inner wall diameter of the middle end to form a step;

[0034] An O-type sealing ring 28 is arranged in the middle of the piston 26, and a guide wear-resistant ring 29 is arranged at the rear.

[0035] In actual use, the lithium battery transmits electrical energy to the brushless motor assembly 4 through the control board 1. A transmission gear is installed at the front end of the brushless motor assembly 4. The brushless motor assembly 4 converts electrical energy into kinetic energy to drive the front end gear to rotate. The front end gear of the brushless motor assembly 4 is matched with the gear box assembly 7 through gears. The front end gear of the brushless motor assembly 4 drives the gear set in the gear box assembly 7 to rotate. The gear set in the gear box assembly 7 is connected to the crankshaft connecting rod mechanism 30 through the output shaft. The transmission gear at the front end of the brushless motor assembly 4 transmits kinetic energy to the gear set in the gear box assembly 7, and then transmits the driving energy to the crankshaft connecting rod mechanism 30 through the output shaft through the gear set. The crankshaft connecting rod mechanism 30 thereby drives the cylinder The piston in the component 5 reciprocates, and when the air is compressed to the limit, the clutch is triggered by the connecting rod 13 mechanism to push out the gun needle in the gun body 6, thereby pushing the nail out through the gun mouth 9. A multi-purpose magazine 10 is provided under the gun mouth 9, which can be used with F nails, U nails, and T nails. The nail replacement is convenient and easy without nail jamming, which can meet the user's needs for one machine with multiple uses. In addition, the rechargeable brushless pneumatic nail gun is also equipped with a trigger protection mechanism 8, which needs to cooperate with the switch 3 to shoot the nail to ensure the safety of the user. In addition, the trigger protection mechanism 8 also has the function of adjusting the depth of the nail injection, so as to meet the use of different needs, thereby realizing the improvement of the stability of the rechargeable brushless pneumatic nail gun during operation.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high stability rechargeable brushless pneumatic nail gun, characterized by: The high stability rechargeable brushless pneumatic nail gun comprises: A control panel (1); a housing (2) is fixed on the surface of the control panel (1); a switch (3) is provided inside the housing (2); a bidirectional fan blade heat sink (25) is provided on the side surface of the switch (3); a cylinder assembly (5) is provided inside the housing (2); and a crankshaft connecting rod mechanism (30) is provided on the side of the cylinder assembly (5); A gun body (6); a trigger protection mechanism (8) is provided below the gun body (6); a gear box assembly (7) is provided on the surface of the trigger protection mechanism (8); a brushless motor assembly (4) is provided on the surface of the gear box assembly (7); a gun nozzle (9) is provided at the end of the gun body (6); and a multi-purpose magazine (10) is provided on the surface of the gun nozzle (9).

2. A high stability rechargeable brushless pneumatic nail gun according to claim 1, characterized in that: The control panel (1) and the brushless motor assembly (4) are installed in the casing (2), and the brushless motor assembly (4) is located at the upper end of the control panel (1), the front end of the brushless motor assembly (4) is connected to the gear box assembly (7), the gun nozzle (9) is installed at one end of the casing (2), the multi-purpose magazine (10) is installed at the lower end of the gun nozzle (9), and the casing (2) is also installed with a trigger protection mechanism (8).

3. A high stability rechargeable brushless pneumatic nail gun according to claim 2, characterized in that: A trigger (11) is fixedly mounted at the front end of the gun nozzle (9), a connecting rod (13) is arranged on one side of the trigger (11), and one end of the connecting rod (13) is mounted on the trigger (11) through a nut (12).

4. A high stability rechargeable brushless pneumatic nail gun according to claim 3, characterized in that: The other end surface of the connecting rod (13) is sleeved with a depth adjustment knob assembly (14); the end of the connecting rod (13) is threadedly connected with a switch slider (15); the upper end of the switch slider (15) is provided with a Hall sensor (16) mounted on the inner wall of the housing (2); a positioning pin (18) is installed in the switch slider (15); and a return spring (17) is sleeved on the outer wall of the positioning pin (18).

5. A high stability rechargeable brushless pneumatic nail gun according to claim 4, characterized in that: The switch (3) is provided with a trigger (19) inside, and a switch slider (20) is provided at the side end of the trigger (19). The switch slider (20) is inserted into the switch box (23). The inner wall of the switch box (23) is provided with a positioning pin (22). The surface of the positioning pin (22) is provided with a return spring (21). A Hall sensor (24) is provided inside the switch box (23).

6. A high stability rechargeable brushless pneumatic nail gun according to claim 5, characterized in that: The cylinder assembly (5) is provided with a cylinder (27) on its outer surface, and an O-ring (28) and a guide wear-resistant ring (29) are provided on the inner wall of the cylinder (27). A piston (26) is inserted into the cylinder assembly (5), and the inner wall diameter of the front end of the cylinder (27) is larger than the inner wall diameter of the middle end to form a step.

7. A high stability rechargeable brushless pneumatic nail gun according to claim 6, characterized in that: The piston (26) has an O-type sealing ring (28) in the middle and a guide wear-resistant ring (29) at the tail.

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