Hammer-type nail gun

Abstract

The present invention relates to a hammer-type nail gun, comprising: a main body comprising a hammer head and a handle at opposite ends, the hammer head comprising a nail outlet; and a nail driving mechanism accommodated in the hammer head, comprising a nail magazine and a nail driving member, the nail magazine being movable towards the nail outlet for driving nails in the nail magazine out; wherein the hammer-type nail gun comprises a metal part and a non-metal part, the main body is a plastic housing, the main body has a total length, a distance between a center of gravity of the hammer-type nail gun and the nail outlet in a length direction of the main body is defined as a center of gravity distance, and a first ratio of the center of gravity distance to the total length is 0.237 to 0.292.

Description

Technical Field

[0001] This invention relates to a nail gun, and more particularly to a hammer-type nail gun. Background Technology

[0002] Generally, a hammer nail gun consists of two housings and a nail-driving mechanism housed within them. These housings are typically made of either metal or non-metal materials. Metal housings are formed by impact, bending, and punching. Due to the difficulty in processing metal sheets, the shape of the housing is quite limited, and the nail-driving mechanism must be positioned using additional fasteners. Furthermore, metal housings are heavier, increasing the burden on the user. Housings made of non-metallic materials (such as plastic or fiber composites) can be molded, making manufacturing easier and allowing for more flexible shapes. However, the lighter weight of non-metallic housings significantly alters the center of gravity and weight distribution of the hammer nail gun. If the center of gravity is too far forward or too far back, the grip becomes unbalanced, uncomfortable, and strenuous, resulting in poor hammering effectiveness and efficiency.

[0003] Therefore, it is necessary to provide a novel and progressive hammer-type nail gun to solve the above-mentioned problems. Summary of the Invention

[0004] The main objective of this invention is to provide a hammer-type nail gun that offers a comfortable, effortless, and balanced grip, while providing a good and efficient hammering action.

[0005] To achieve the above objectives, the present invention provides a hammer-type nail gun, comprising: a main body including a hammering head and a handle located at opposite ends, the hammering head including a nail ejection port; and a nail-firing mechanism housed in the hammering head, including a nail magazine and a nail-firing element, the nail magazine being movable toward the nail ejection port to eject nails from the nail magazine; wherein the hammer-type nail gun includes a metal part and a non-metal part, the main body is a plastic shell, the main body has a total length, the distance between one center of gravity of the hammer-type nail gun and the nail ejection port in the length direction of the main body is defined as a center of gravity distance, and a first ratio of the center of gravity distance to the total length is 0.237 to 0.292.

[0006] The first ratio is between 0.244 and 0.278.

[0007] The handle portion has a maximum length and a minimum length, a second ratio of the maximum length to the total length of 0.418 to 0.461, and a third ratio of the minimum length to the total length of 0.305 to 0.348.

[0008] The metal part does not contain the pin, and the fourth ratio of the weight of the metal part to the weight of the non-metal part is 2.850 to 3.150.

[0009] The fifth ratio of the total weight of the metal part and the pin to the weight of the non-metal part is 3.030 to 3.138.

[0010] The main body further includes a first shell and a second shell, the first shell including at least one hook, and the second shell including at least one hook groove, the at least one hook being hooked into the at least one hook groove.

[0011] The hammer head also includes multiple guide ribs, and the nail-driving mechanism also includes a swing block pivotally connected to the hammer head. The swing block can swing between the multiple guide ribs, and the swing block drives the nail-driving component when it swings.

[0012] The hammer head also includes multiple forward-extending support plates, and the nail-driving mechanism also includes a guide rail and an actuating link. The guide rail is supported between the multiple support plates, and the actuating link is movably accommodated in the guide rail and is used to trigger the release of the nail-driving component.

[0013] The nail-driving mechanism further includes an attachment portion, which is integrally formed with the guide rail as a single component. The attachment portion is attached to the hammer head and spans across the nail cartridge.

[0014] The main body further includes at least one counterweight groove for accommodating a counterweight component, and the hammer head further includes at least one removable metal cover that covers the at least one counterweight groove.

[0015] The beneficial effects of the present invention are as follows: The hammer-type nail gun obtained by the present invention can provide a comfortable, labor-saving and balanced grip, and can provide a good and efficient hammering action. Attached Figure Description

[0016] Figure 1 This is a perspective view of an embodiment of the present invention.

[0017] Figure 2 This is an exploded view of an embodiment of the present invention.

[0018] Figure 3 This is another exploded view of an embodiment of the present invention.

[0019] Figure 4 This is a side view of an embodiment of the present invention.

[0020] Figure 5 This is a cross-sectional view of an embodiment of the present invention.

[0021] 1: Hammer-type nail gun 10: Main Body 11: Hammering the head 111: Nail outlet 112: Guide Rib 113: Handrail 114: Metal Cap 115: First Metal Cap 116: Second metal cap 12: Handle section 13: First shell 131: Hook and button 14: Second shell 141: Hook and Loop Slot 15: Fasteners 16: Counterweight slot 20: Nail-driving mechanism 21: Nail Box 22: Nail-driving parts 23: Oscillating Block 24: Guiding Track 25: Trigger linkage 26: Attachment 100: Nail pin L1: Total length L2: Distance from center of gravity L3: Maximum Length L4: Minimum Length W: Center of gravity Detailed Implementation

[0022] The following examples illustrate possible implementations of the present invention, but are not intended to limit the scope of protection of the present invention. The use of "a" or "at least one" before the terms mentioned herein is not a limitation on the quantity, and may also be "plural" depending on the requirements. Such variations in quantity are also within the scope of protection, and are therefore stated in advance.

[0023] Please refer to Figures 1 to 5 This illustrates an embodiment of the present invention, in which the hammer-type nail gun 1 of the present invention includes a main body 10 and a nail-driving mechanism 20.

[0024] The main body 10 includes a hammer head 11 and a handle 12 located at opposite ends. The hammer head 11 includes a nail ejection port 111. A nail-driving mechanism 20 is housed in the hammer head 11. The nail-driving mechanism 20 includes a nail magazine 21 and a nail-driving element 22. The nail magazine 21 is movable toward the nail ejection port 111 to eject the nails 100 from the magazine. The hammer-type nail gun 1 includes metal and non-metal parts. The main body 10 is a plastic shell and has a total length L1. The distance between the center of gravity W of the hammer-type nail gun 1 and the nail ejection port 111 along the length of the main body 10 is defined as a center of gravity distance L2. A first ratio of the center of gravity distance L2 to the total length L1 is 0.237 to 0.292. This provides a comfortable, effortless, and balanced grip, and also provides good and efficient hammering action.

[0025] The first ratio is preferably between 0.244 and 0.278. The center-of-gravity distance L2 is between 72.0 mm and 82.0 mm. The handle portion 12 has a maximum length L3 and a minimum length L4. A second ratio of the maximum length L3 to the total length L1 is between 0.418 and 0.461, and a third ratio of the minimum length L4 to the total length L1 is between 0.305 and 0.348. For example, the total length L1 is 295.0 mm, the center-of-gravity distance L2 is 77.0 mm, the maximum length L3 of the handle portion 12 is 130.0 mm, and the minimum length L4 of the handle portion 12 is 97.0 mm. The above dimensions may vary depending on different usage requirements and / or different components.

[0026] In this embodiment, the main body 10 further includes a first housing 13 and a second housing 14. The first housing 13 includes at least one hook 131, and the second housing 14 includes at least one hook groove 141. The at least one hook 131 hooks into the at least one hook groove 141, thus allowing for easy and quick assembly and disassembly. Preferably, the first housing 13 and the second housing 14 can be further secured with at least one fastener 15 (such as a screw) to provide a stable and reliable connection.

[0027] Preferably, the hammer head 11 further includes a plurality of guide ribs 112, and the nail-driving mechanism 20 further includes a swing block 23 pivotally connected to the hammer head 11. The swing block 23 can swing between the plurality of guide ribs 112. When the swing block 23 swings, it connects with the nail-driving element 22, which can guide and maintain the swing of the swing block 23 to provide a stable, smooth and effective nail ejection effect. The hammer head 11 further includes a plurality of forward-extending support plates 113, and the nail-driving mechanism 20 further includes a guide rail 24 and an actuating link 25. The guide rail 24 is supported between the plurality of support plates 113, and the actuating link 25 is movably accommodated in the guide rail 24. The actuating link 25 is used to trigger the release of the nail-driving element 22. The plurality of support plates 113 can stably hold the guide rail 24 so that the triggering of the actuating link 25 is more accurate.

[0028] In detail, the nail-driving mechanism 20 further includes an attachment portion 26, which is integrally formed with the guide rail 24 as a single component. The attachment portion 26 is attached to the hammer head 11 and spans across the nail box 21. The main body 10 further includes at least one counterweight slot 16 for accommodating a counterweight component. The hammer head 11 further includes at least one removable metal cover 114, which covers the at least one counterweight slot 16. In this embodiment, the at least one metal cover 114 includes a first metal cover 115 and a second metal cover 116 that are partially overlapped. The first metal cover 115 covers the front and left and right sides of the hammer head 11, and the second metal cover 116 covers the upper and left and right sides of the hammer head 11, which facilitates installation and allows for adjustment of different counterweights as needed.

[0029] The metal portion, excluding the pins 100, has a fourth weight ratio of 2.850 to 3.150 to the weight of the non-metallic portion. A fifth weight ratio of the total weight of the metal portion and the pins 100 to the weight of the non-metallic portion is 3.030 to 3.138. The metal portion includes, for example, the nail cartridge 21, the nail-driving member 22, the at least one fastening member 15, the oscillating block 23, the guide rail 24, the attachment portion 26, the at least one metal cover 114, a pivot, and an elastic element. The pins 100 can be, for example, a row of 168 pins weighing 8.21 grams, a row of 168 pins weighing 10.045 grams, a row of 168 pins weighing 11.515 grams, or a row of 168 pins weighing 13.36 grams. The nail cartridge 21 can hold one or more rows of pins.

Claims

1. A hammer-type nail gun, characterized in that: include: A main body includes a hammer head located at two opposite ends and a handle portion, the hammer head including a nail outlet; and A nail-driving mechanism, housed in the hammer head, includes a nail box and a nail-driving component, the nail box being movable toward the nail outlet to drive out the nails in the nail box; The hammer-type nail gun includes a metal part and a non-metal part. The main body is a plastic shell and has a total length. The distance between the center of gravity of the hammer-type nail gun and the nail outlet in the length direction of the main body is defined as a center of gravity distance. The first ratio of the center of gravity distance to the total length is 0.237 to 0.

292.

2. The hammer-type nail gun as described in claim 1, characterized in that: The first ratio is between 0.244 and 0.

278.

3. The hammer-type nail gun as described in claim 1, characterized in that: The handle portion has a maximum length and a minimum length, a second ratio of the maximum length to the total length of 0.418 to 0.461, and a third ratio of the minimum length to the total length of 0.305 to 0.

348.

4. The hammer-type nail gun as described in claim 1, characterized in that: The metal part does not contain the pin, and the fourth ratio of the weight of the metal part to the weight of the non-metal part is 2.850 to 3.

150.

5. The hammer-type nail gun as described in claim 1, characterized in that: The fifth ratio of the total weight of the metal part and the pin to the weight of the non-metal part is 3.030 to 3.

138.

6. The hammer-type nail gun as described in claim 1, characterized in that: The main body further includes a first shell and a second shell, the first shell including at least one hook, and the second shell including at least one hook groove, the at least one hook being hooked into the at least one hook groove.

7. The hammer-type nail gun as described in claim 1, characterized in that: The hammer head also includes multiple guide ribs, and the nail-driving mechanism also includes a swing block pivotally connected to the hammer head. The swing block can swing between the multiple guide ribs, and the swing block drives the nail-driving component when it swings.

8. The hammer-type nail gun as described in claim 1, characterized in that: The hammer head also includes multiple forward-extending support plates, and the nail-driving mechanism also includes a guide rail and an actuating link. The guide rail is supported between the multiple support plates, and the actuating link is movably accommodated in the guide rail and is used to trigger the release of the nail-driving component.

9. The hammer-type nail gun as described in claim 8, characterized in that: The nail-driving mechanism further includes an attachment portion, which is integrally formed with the guide rail as a single component. The attachment portion is attached to the hammer head and spans across the nail cartridge.

10. The hammer-type nail gun as described in any one of claims 1 to 9, characterized in that: The main body further includes at least one counterweight groove for accommodating a counterweight component, and the hammer head further includes at least one removable metal cover that covers the at least one counterweight groove.

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