Nail feeding assembly for nailing gun

By designing a small-area contact ejector plate and protrusion structure, the problem of uneven nail feeding in nail guns was solved, achieving smooth nail pushing and efficient nail feeding.

CN223532395UActive Publication Date: 2025-11-11ZHONGJIEDING IND CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202423112220.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-11-11
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

In existing nail gun feeding assemblies, the contact area between the tip and the nail cap is large, resulting in high friction, which makes nail feeding unsmooth and prone to jamming.

Method used

A nail feeding assembly was designed, comprising a first clip, a second clip, and an ejector plate. The ejector plate slides against the protrusion, resulting in a small contact area and reduced friction. A U-shaped groove structure and spring return force are used to push the nail.

Benefits of technology

This allows for smooth nail feeding, reduces friction, and improves the efficiency and stability of nail delivery.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223532395U_ABST
    Figure CN223532395U_ABST
Patent Text Reader

Abstract

The utility model discloses a nail feeding assembly for a nailing gun, which comprises a first cartridge holder, a second cartridge holder and an ejector plate, the first cartridge holder is in sliding fit with the second cartridge holder, the first cartridge holder is matched with the second cartridge holder to form a U-shaped groove for accommodating the ejector plate, the first cartridge holder is provided with a bump, one side of the ejector plate is abutted against the second cartridge holder in a sliding manner, and the bump is arranged in the U-shaped groove. The other side of the ejector plate is propped against the convex block in a sliding manner; and the width of the convex block is smaller than that of the ridge of the ejector plate. The ejector pin plate abuts against the code nail to move upwards, the shape of the ejector pin plate is matched with that of the code nail, when the code nail is pushed, the ejector pin plate moves in a U-shaped groove formed by the second elastic clamp and the first elastic clamp, one side of the ejector pin plate abuts against the protruding block in a sliding mode, and compared with the prior art, the contact area of the nail cover, the protruding block, the ejector pin plate and the code nail is much smaller. Therefore, friction force borne by the ejector pin plate and the code nails arranged on the ejector pin plate is small, and the code nails are pushed more smoothly.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of nailing equipment technology, specifically to a nail feeding assembly for a nail gun. Background Technology

[0002] In industries such as furniture manufacturing and decoration, pneumatic nail guns are widely used as a high-efficiency, low-value auxiliary tool. Based on the type of nails used, they can generally be divided into straight nail guns, staple nail guns, dummy nail guns, and multi-purpose guns. Multi-purpose guns can use two or more types of nails, representing a replacement for single-purpose guns. They are easy to carry, highly efficient, and require less labor, making them popular with users. Chinese patent CN01214589.0 discloses a dual-purpose pneumatic nail gun clip for straight and staple nails. When nailing staples, the staples are placed on the nail groove core in the middle of the nail groove. A pusher head 1-7 is installed in the inverted U-shaped nail storage channel 1-14. Under the action of a spring, the pusher head 1-7 can push both staples and straight nails. However, in this design, the contact area between the pusher head 1-7 and the nail cover 1-5 is relatively large, resulting in greater friction and making nail feeding less smooth and prone to jamming. Utility Model Content

[0003] To address the technical problem of uneven nail feeding in existing nail guns, this utility model proposes a nail feeding assembly for nail guns. The contact area between the protrusion and the ejector plate and the staple is much smaller, thereby reducing the friction on the ejector plate and the staple set on the ejector plate, resulting in smoother nail feeding.

[0004] The technical solution adopted by this utility model is as follows: a nail feeding assembly for a nail gun includes a first magazine, a second magazine, and an ejector plate. The first magazine and the second magazine are slidably engaged, and the first magazine and the second magazine cooperate to form a U-shaped groove for accommodating the ejector plate. The first magazine is provided with a protrusion. One side of the ejector plate slides against the second magazine, and the other side of the ejector plate slides against the protrusion. The width of the protrusion is smaller than the width of the spine of the ejector plate.

[0005] Optionally, the U-shaped groove includes a first through groove, a second through groove, and a third through groove that are connected at an angle in sequence. The ejector plate includes a first top plate adapted to the first through groove, a second top plate adapted to the second through groove, and a third top plate adapted to the third through groove. One side of the second top plate slides against the second magazine, and the other side of the second top plate slides against the protrusion.

[0006] Optionally, the first magazine includes a first fixed plate, a second fixed plate, a third fixed plate, and a fourth fixed plate connected in sequence, and the second magazine includes a first movable plate, a second movable plate, a third movable plate, and a fourth movable plate connected in sequence. A first through groove is formed between one side of the second movable plate and the second fixed plate, and a third through groove is formed between the other side of the second movable plate and the third movable plate. A second through groove is formed between the end of the second movable plate away from the first movable plate and the third fixed plate.

[0007] Optionally, the first movable plate is provided with a first limiting groove that slides with the first fixed plate, and the fourth fixed plate is provided with a second limiting groove that slides with the fourth movable plate.

[0008] Optionally, a spring is also included, the second clip having a through hole for mounting the spring, and the ejector plate being connected to the spring via a ejector head.

[0009] Optionally, the ejector plate is provided with a connecting plate bent towards the through hole, one end of the ejector head is connected to the connecting plate, and the other end of the ejector head is wound with the spring.

[0010] Optionally, a limiting post is provided at the end of the top head away from the connecting plate, and the spring portion is wound around the outer peripheral wall of the limiting post, the diameter of the limiting post being smaller than that of the top head.

[0011] Optionally, the first magazine and the second magazine are both integrally formed structures.

[0012] The beneficial effects of this utility model are as follows: the ejector plate moves upward against the code nail, and its shape is adapted to the code nail. When pushing the code nail, the ejector plate moves in the U-shaped groove formed by the second spring clip and the first spring clip. One side of the ejector plate slides against the protrusion. Compared with the nail cover in the prior art, the contact area between the protrusion and the ejector plate and the code nail is much smaller, so that the friction force on the ejector plate and the code nail set on the ejector plate is smaller, and the process of pushing the code nail is smoother. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the nail clip for a pneumatic nail gun that can be used for both straight nails and multi-purpose nails, as mentioned in the background art.

[0014] Figure 2 This is a schematic diagram of the nail feeding assembly for a nail gun according to an embodiment of the present invention;

[0015] Figure 3 This is a schematic diagram of the first and second magazines of the nail feeding assembly for a nail gun according to an embodiment of the present invention;

[0016] Figure 4 This is a schematic diagram showing the connection between the ejector plate and the spring in the nail feeding assembly for a nail gun according to an embodiment of this utility model.

[0017] The markings in the attached figures are as follows: 1. First magazine; 11. First fixing plate; 12. Second fixing plate; 13. Third fixing plate; 14. Fourth fixing plate; 141. Second limiting groove; 2. Second magazine; 21. First movable plate; 211. First limiting groove; 22. Second movable plate; 23. Third movable plate; 24. Fourth movable plate; 25. Through hole; 3. Ejector plate; 31. First top plate; 32. Second top plate; 33. Third top plate; 34. Connecting plate; 4. Protrusion; 5. U-shaped groove; 51. First through groove; 52. Second through groove; 53. Third through groove; 6. Spring; 7. Ejector head; 71. Limiting post. Detailed Implementation

[0018] The present application will now be described in further detail with reference to the accompanying drawings and embodiments.

[0019] like Figure 2 and 3 As shown, this embodiment discloses a nail feeding assembly for a nail gun, including a first magazine 1, a second magazine 2, and an ejector plate 3. The first magazine 1 and the second magazine 2 are slidably engaged, forming a U-shaped groove 5 to accommodate the ejector plate 3. The first magazine 1 is provided with a protrusion 4. One side of the ejector plate 3 slides against the second magazine 2, and the other side slides against the protrusion 4. The width of the protrusion 4 is smaller than the width of the spine of the ejector plate 3. The ejector plate 3 pushes the nail upwards, and its shape is adapted to the nail. When pushing the nail, the ejector plate 3 moves within the U-shaped groove 5 formed by the second magazine 2 and the first magazine 1. One side of the ejector plate 3 slides against the protrusion 4. Compared with the nail cap in the prior art, the contact area between the protrusion 4 and the ejector plate 3 and the nail is much smaller, thereby reducing the friction force on the ejector plate 3 and the nail set on the ejector plate 3, making the nail pushing process smoother.

[0020] like Figure 2 As shown, the U-shaped groove 5 includes a first through groove 51, a second through groove 52, and a third through groove 53 connected at an angle in sequence. The ejector plate includes a first top plate 31 adapted to the first through groove 51, a second top plate 32 adapted to the second through groove 52, and a third top plate 33 adapted to the third through groove 53. One side of the second top plate 32 slides against the second spring clip 2, and the other side slides against the protrusion 4. The spine of the ejector plate 3 is the second top plate 32. One side of the second top plate 32 is in full-contact sliding connection with the second spring clip 2, and the other side of the second top plate 32 is slidably connected to the protrusion 4, which ensures stable sliding between the ejector plate 3 and the staple while reducing friction.

[0021] In this embodiment, as Figure 3As shown, the first magazine 1 includes a first fixed plate 11, a second fixed plate 12, a third fixed plate 13, and a fourth fixed plate 14 connected in sequence. The second magazine 2 includes a first movable plate 21, a second movable plate 22, a third movable plate 23, and a fourth movable plate 24 connected in sequence. A first through groove 51 is formed between one side of the second movable plate 22 and the second fixed plate 12, and a third through groove 53 is formed between the other side of the second movable plate 22 and the third movable plate 23. A second through groove 52 is formed between the end of the second movable plate 22 away from the first movable plate 21 and the third fixed plate 13. The first movable plate 21 has a first limiting groove 211 that slides with the first fixed plate 11, and the fourth fixed plate 14 has a second limiting groove 141 that slides with the fourth movable plate 24. The first magazine 1 and the second magazine 2 are slidably connected; to install a gun nail, only the second magazine 2 needs to be pulled down. The first magazine 1 and the second magazine 2 are both integrally formed structures. Both the first magazine 1 and the second magazine 2 are made using a stamping one-piece molding process, which provides good stability.

[0022] like Figure 2 As shown, the second magazine 2 is provided with a spring 6 inside, and the second movable plate 22 is provided with a through hole 25 for installing the spring 6. The ejector plate 3 is connected to the spring 6 through a top head 7. The top plate moves upward against the gun nail under the action of the spring 6's restoring force.

[0023] like Figure 4 As shown, the ejector plate has a connecting plate 34 bent towards the through hole 25. One end of the ejector head 7 is connected to the connecting plate 34, and the other end of the ejector head 7 is wound with the spring 6. A limiting post 71 is provided at the end of the ejector head 7 away from the connecting plate 34. The spring 6 is partially wound around the outer peripheral wall of the limiting post 71, and the diameter of the limiting post 71 is smaller than that of the ejector head 7. Both the ejector head 7 and the spring 6 are movably installed within the through hole 25, and under the action of the restoring force of the spring 6, the ejector plate 3 is pushed upwards.

[0024] It is understood that the specific embodiments described above are merely for explaining the relevant utility model and not for limiting the utility model. It should also be noted that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings. Multiple technical solutions in the same embodiment, as well as multiple technical solutions in different embodiments, can be arranged and combined to form new technical solutions that do not contradict or conflict with each other. All equivalent structural transformations made based on the content of this utility model specification and drawings, directly or indirectly applied to other related technical fields, are similarly included within the protection scope of this utility model.

Claims

1. A nail feeding assembly for a nail gun, characterized in that, It includes a first magazine, a second magazine, and an ejector plate. The first magazine and the second magazine are slidably engaged and form a U-shaped groove to accommodate the ejector plate. The first magazine is provided with a protrusion. One side of the ejector plate slides against the second magazine, and the other side of the ejector plate slides against the protrusion. The width of the protrusion is smaller than the width of the spine of the ejector plate.

2. The nail feeding assembly for a nail gun according to claim 1, characterized in that, The U-shaped groove includes a first through groove, a second through groove, and a third through groove that are connected at an angle in sequence. The ejector plate includes a first top plate adapted to the first through groove, a second top plate adapted to the second through groove, and a third top plate adapted to the third through groove. One side of the second top plate slides against the second magazine, and the other side of the second top plate slides against the protrusion.

3. The nail feeding assembly for a nail gun according to claim 2, characterized in that, The first magazine includes a first fixed plate, a second fixed plate, a third fixed plate, and a fourth fixed plate connected in sequence. The second magazine includes a first movable plate, a second movable plate, a third movable plate, and a fourth movable plate connected in sequence. A first through groove is formed between one side of the second movable plate and the second fixed plate, and a third through groove is formed between the other side of the second movable plate and the third movable plate. A second through groove is formed between the end of the second movable plate away from the first movable plate and the third fixed plate.

4. The nail feeding assembly for a nail gun according to claim 3, characterized in that, The first movable plate is provided with a first limiting groove that slides with the first fixed plate, and the fourth fixed plate is provided with a second limiting groove that slides with the fourth movable plate.

5. The nail feeding assembly for a nail gun according to claim 1, characterized in that, It also includes a spring, the second clip has a through hole for mounting the spring, and the ejector plate is connected to the spring via a ejector head.

6. The nail feeding assembly for a nail gun according to claim 5, characterized in that, The ejector plate is provided with a connecting plate bent towards the through hole, one end of the ejector head is connected to the connecting plate, and the other end of the ejector head is wound with the spring.

7. The nail feeding assembly for a nail gun according to claim 6, characterized in that, The end of the top head away from the connecting plate is provided with a limiting post, and the spring part is wrapped around the outer peripheral wall of the limiting post. The diameter of the limiting post is smaller than that of the top head.

8. The nail feeding assembly for a nail gun according to claim 3, characterized in that, The first magazine and the second magazine are both integrally formed structures.

Citation Information

Patent Citations

  • Pneumatic nailing gun nail clamp for straight pin and hitch pin

    CN2474284Y