Hammer structure

By designing a lightweight handle and a detachable tool head, the problems of heavy weight and high manufacturing cost of existing hammers are solved, resulting in a hammer structure that is labor-saving, safe, comfortable to use, and flexible in production.

CN223558381UActive Publication Date: 2025-11-18LU KANG HAND TOOLS IND CO LTD
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Patent Information

Application Number
CN202423022687.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2025-11-18
Estimated Expiration
2034-12-09

AI Technical Summary

Technical Problem

Existing hammers are heavy, difficult and uncomfortable to use, and have high manufacturing costs and are not easy to produce.

Method used

The handle is made of lightweight material and features a detachable tool head design. It is connected by a tight fit between the fixed section and the fixing hole, and is secured with a sealing piece to prevent the tool head from loosening during use and to allow for the combination of different tool heads.

Benefits of technology

This results in a lighter overall weight for the hammer, making it easier, safer, and more comfortable to use, reducing hand pain, lowering manufacturing costs, and increasing production flexibility.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223558381U_ABST
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Abstract

A hammer structure comprises a handle, a first tool head and a second tool head, the handle is provided with a grip portion and a body portion which are connected with each other, one end of the body portion is provided with a containing and stretching notch, the other end of the body portion is provided with a shaft hole, one end of the first tool head is provided with an abutting edge, the abutting edge is provided with a fixing hole, and the fixing hole is communicated with the containing and stretching notch. A fixing hole is formed in the first tool head, a first hole is formed in the upper portion of the first tool head and communicated with the fixing hole, the second tool head is provided with a shaft rod, a fixed connection section is arranged at the side end of the shaft rod, and a second hole is formed in the fixed connection section.
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Description

TECHNICAL FIELD

[0001] The utility model relates to an iron hammer structure, in particular to an iron hammer structure which can avoid hand pain or injury when knocking. BACKGROUND

[0002] The existing iron hammer is heavy, and it is difficult to use. Figure 11 As shown in the figure, the iron hammer (60) mainly has a hammer head (61) and a handle (62) connected, the hammer head (61) has a first end (611) and a second end (612), so that the iron hammer (60) can be at least used to knock the first end (611).

[0003] However, the existing structure described above still has the following problems in actual application: (1) the hammer head (61) of the iron hammer (60) and the handle (62) are integrally forged with iron or steel, so the overall weight is heavy; (2) the iron hammer (60) is heavy, so when knocking, a large reaction force is generated and fed back to the hand (please also refer to the figure), so that the user is easy to be shocked or injured by the iron hammer (60) when holding the iron hammer (60) and knocking, and the safety and comfort of use are poor; (3) the hammer head (61) and the handle (62) are integrally connected, so when making iron hammers (60) with different functions, the entire mold needs to be opened again, the production cost is high, and the production is not easy. Figure 9

[0004] Therefore, how to develop and improve the shortcomings of the existing structure is the goal of the related industry, and the inventor has the idea of creation, and designs with years of experience, and after many discussions and sample tests, and many revisions and improvements, the utility model is finally developed. CONTENT OF THE UTILITY MODEL

[0005] Technical problems to be solved:

[0006] The existing iron hammer is heavy, difficult to use, and poor in comfort, and has the technical problems to be solved of high production cost and difficult production.

[0007] Technical features for solving problems:

[0008] ​The utility model provides a kind of iron hammer structure, it includes: a handle, a first tool head and a second tool head, wherein, the handle is made of lightweight material different from the first tool head and the second tool head, and it extends in longitudinal direction, so that the handle can have a grip part and a body part connected, the body part one end forms a L-shaped containing stretch gap, the other end is provided with a shaft hole communicated with the containing stretch gap, so that the handle can be provided with the first tool head and the second tool head by the containing stretch gap and the shaft hole, the first tool head one end forms a L-shaped abutting edge, a fixing hole is provided on the abutting edge, a first hole is provided above the first tool head, and the first hole is communicated with the fixing hole, by abutting on the wall surface of the containing stretch gap using the abutting edge, the first tool head can be preliminarily positioned on the handle, and the fixing hole is aligned with the shaft hole, the second tool head has a shaft, a fixed segment is provided on the side end of the shaft, a second hole is provided on the fixed segment, when the second tool head is inserted into the shaft hole by the shaft, and the fixed segment is forced into the fixing hole by pressing, the first tool head and the second tool head can be installed on the handle by the tight fitting of the fixed segment in the fixing hole, by inserting a sealing element from the first hole and combining the first tool head and the fixed segment, the shaft can also be prevented from gradually retreating due to violent vibration, thereby obtaining an iron hammer structure.

[0009] The efficacy of the prior art is compared:

[0010] (I) The utility model provides iron hammer structure, the second tool head is urged to cooperate with the fixing hole of the first tool head by the fixed segment, after the pressure is removed, the shaft generates a pullback effect on the first tool head and the second tool head, so that the first tool head and the second tool head can be more closely combined on the handle, and the binding force is good.

[0011] (II) The utility model provides iron hammer structure, the fixed segment is pressed into the fixing hole, compared with the combination mode such as screwing, it can more fully prevent retreat, so as to avoid that the first tool head and the second tool head are gradually shaken loose due to vibration during use.

[0012] (III) The utility model provides iron hammer structure, when used, at least the second tool head is used for knocking, during the knocking process, because the overall weight of the iron hammer is light, not only it is more labor-saving to use, but also it can prevent that excessive counterforce is fed back to the hand during knocking, under the condition that only slight knocking vibration is generated, the hand can be prevented from being shocked or injured, and the safety and comfort of use are doubled.

[0013] (Four) The utility model provides iron hammer structure, the handle, the first tool head with the second tool head can be set to different style after the required function, then arbitrary collocation assembly, let the production of iron hammer can have more possibility and variability, will make the production cost can be reduced to a minimum under not using a different iron hammer to open a whole mould again, and production is more convenient and easy. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the three-dimensional assembly drawing of the utility model.

[0015] Figure 2 It is the three-dimensional exploded view of the utility model.

[0016] Figure 3 It is the pressurized state diagram of the utility model.

[0017] Figure 4 It is the filling state diagram of the utility model sealing element.

[0018] Figure 5 It is the cross-sectional view of the utility model after completion combination.

[0019] Figure 6 It is the state diagram of the utility model when knocking slightly shakes the hand.

[0020] Figure 7 It is the schematic diagram of the utility model installing different first tool head Figure 1 .

[0021] Figure 8 It is the schematic diagram of the utility model installing different first tool head Figure 2 .

[0022] Figure 9 It is the three-dimensional exploded view of another preferred embodiment of the utility model.

[0023] Figure 10 It is the combined cross-sectional view of another preferred embodiment of the utility model.

[0024] Figure 11 It is the state diagram of the existing iron hammer when knocking, which produces great vibration to the hand.

[0025] Symbol explanation:

[0026] Part of the utility model:

[0027] Handle - - - - - (10) grip - - - - - (11) Body part - - - - (12) contain stretch gap - - - - (13) First joint - - - (131) shaft hole - - - - - (14) Step edge (141) Rubber sleeve (15) First tool head (20) Resting edge (21) Second joint (211) Fixing hole (22) First hole (23) Opening (231) Second tool head (30) Shaft (31) Step edge (311) Fixed segment (32) Second hole (33)

[0028] Sealing member (40) Epoxy resin (41) Latches (42)

[0029] Fixing surface (50)

[0030] Prior art part:

[0031] Hammer (60) Hammer head (61) First end (611) Second end (612)

[0032] Handle (62) DETAILED DESCRIPTION

[0033] For further understanding and understanding the purpose, features and effects of the present utility model, the following please cooperate with the

figure simple explanation

[0034] First, please from Figures 1 to 5As shown, it comprises a handle (10), a first tool head (20) and a second tool head (30), wherein the handle (10) is made of lightweight material different from the first tool head (20) and the second tool head (30), and extends in the longitudinal direction, so that the handle (10) has a connected grip part (11) and a body part (12), one end of the body part (12) forms an L-shaped containing extension gap (13), the other end is provided with a shaft hole (14) in communication with the containing extension gap (13), so that the handle (10) can provide the first tool head (20) and the second tool head (30) for assembly through the containing extension gap (13) and the shaft hole (14), one end of the first tool head (20) forms an L-shaped abutting edge (21), the abutting edge (21) is provided with a fixing hole (22), a first hole (23) is provided above the first tool head (20), and the first hole (23) is in communication with the fixing hole (22), the abutting edge (21) is held on the wall surface of the containing extension gap (13), so that the first tool head (20) can be preliminarily positioned on the handle (10), and the fixing hole (22) is aligned with the shaft hole (14), the second tool head (30) has a shaft rod (31), one side end of the shaft rod (31) is provided with a fixed connection section (32), the fixed connection section (32) is provided with a second hole (33), when the second tool head (30) penetrates into the shaft hole (14) through the shaft rod (31) and is pressed to make the fixed connection section (32) enter the fixing hole (22), the fixed connection section (32) is tightly fitted and fixed in the fixing hole (22), so that the first tool head (20) and the second tool head (30) can be installed on the handle (10) at the same time, a sealing member (40) is placed into the first hole (23) and combined with the first tool head (20) and the fixed connection section (32), which can also prevent the shaft rod (31) from being gradually withdrawn due to violent vibration.

[0035] The utility model provides a kind of iron hammer structure, wherein, the handle (10) is made of aluminum alloy.

[0036] The utility model provides a kind of iron hammer structure, wherein, the first tool head (20) and the second tool head (30) are made of heavy metal such as iron or steel.

[0037] The utility model provides a kind of iron hammer structure, wherein, the grip part (11) of the handle (10) is covered with a rubber sleeve (15) that can improve comfort during holding and reduce shock absorption, anti-slip.

[0038] The utility model provides a kind of iron hammer structure, wherein, at least one first joint (131) is equipped on the wall surface of the container stretch gap (13), at least one second joint (211) is equipped on the abutting edge (21), the mutual embedding of the first joint (131) and the second joint (211) is used, except that the first tool head (20) can be guided in the fixed hole (22) when installing Effect, more can greatly improve the combined contact area between the body part (12) and the first tool head (20).

[0039] The utility model provides a kind of iron hammer structure, wherein, the first joint (131) is a guide rib, and the second joint (211) is a guide groove.

[0040] The utility model provides a kind of iron hammer structure, wherein, the shaft hole (14) is a step hole, and the shaft rod (31) is a step rod, so that at least one step edge (141) (311) is formed on the shaft hole (14) and the shaft rod (31).

[0041] The utility model provides a kind of iron hammer structure, wherein, the first tool head (20) is a horn-shaped nail puller (please simultaneously by Figures 1 to 6 Indicated).

[0042] The utility model provides a kind of iron hammer structure, wherein, the first tool head (20) is the hammer head of brick hammer (please simultaneously by Figure 7 Indicated).

[0043] The utility model provides a kind of iron hammer structure, wherein, the first tool head (20) is the hammer head of sharp tail hammer (please simultaneously by Figure 8 Indicated).

[0044] The utility model provides a kind of iron hammer structure, wherein, the aperture of the fixed hole (22) is slightly smaller than the outer diameter of the fixed segment (32), so that the fixed segment (32) can be tightly matched with the fixed hole (22) after being pressed into the fixed hole (22).

[0045] The utility model provides a kind of iron hammer structure, wherein, the first hole (23) is expanded to form an opening (231) above, the sealing element (40) is filled with epoxy resin (41), so that the epoxy resin (41) can be filled in the opening (231), the first hole (23) and the second hole (33) to achieve smooth closure of the opening (231) (please simultaneously by Figure 4 And Figure 5 Indicated).

[0046] The utility model provides a kind of iron hammer structure, wherein, the first hole (23) upper expansion is formed with an opening (231), the sealing element (40) is by epoxy resin (41) and a bolt (42) constitute, the bolt (42) is first placed in the first hole (23) and the second hole (33) after, the filling of epoxy resin (41) in the opening (231) is used to close the opening (231) (please simultaneously by Figure 9 And Figure 10 As shown).

[0047] The utility model provides a kind of iron hammer structure, wherein, the first tool head (20) is first stopped on a fixed surface (50), and the fixed hole (22) of the first tool head (20) is forced into the fixed hole (22) of the first tool head (20) by the pressing machine (please simultaneously by Figure 3 As shown).

[0048] The utility model provides a kind of iron hammer structure, wherein, the pressing machine is an oil press, and the fixed surface (50) is a fixed clamp installed on the oil press.

[0049] The structure of the above specific embodiment can obtain the following benefits: (1) the second tool head (30) is forced to cooperate with the fixed hole (22) of the first tool head (20) by the fixed segment (32), which can produce a pulling effect on the first tool head (20) and the second tool head (30) after the pressing force is removed, so that the first tool head (20) and the second tool head (30) can be more tightly combined on the handle (10) with good binding force; (2) the fixed segment (32) is forced into the fixed hole (22), which can more fully prevent retreat compared with screw locking and other binding methods, to avoid the first tool head (20) and the second tool head (30) being gradually shaken loose due to vibration during use; (3) during use, at least the second tool head (30) is used for knocking, and due to the light overall weight of the iron hammer, not only is it more labor-saving to use, but also it can prevent excessive counterforce from being fed back to the hand during knocking, and only slight knocking vibration is produced (please simultaneously by Figure 6 As shown), which can prevent hand from being shaken or injured, and safety and comfort during use are doubled; (4) the handle (10), the first tool head (20) and the second tool head (30) can be set in different styles according to the required function, and then randomly assembled, so that the production of iron hammer can have more possibilities and variability, without opening a whole mold for a different iron hammer, which can minimize production cost and make production more convenient and easy.

[0050] The above merely describes a preferred embodiment of the present application, and should not be used to limit the scope of the present application; that is, any equivalent changes and modifications made in accordance with the scope of the present application should still fall within the scope of the present application.

Claims

1. An iron hammer structure, characterized by, It comprises a handle, a first tool head and a second tool head, wherein: The handle is made of lightweight material different from the first tool head and the second tool head, and extends in the longitudinal direction, so that the handle has a grip part and a body part connected thereto, one end of the body part is formed with a containing extension gap, and the other end is provided with a shaft hole communicated with the containing extension gap, so that the handle can provide the first tool head and the second tool head with the containing extension gap and the shaft hole for assembly, and at least one first engaging part is arranged on the wall surface of the containing extension gap. One end of the first tool head is formed with an abutting edge provided with a fixing hole, a first hole is arranged above the first tool head and communicated with the fixing hole, the abutting edge is held on the wall surface of the containing extension gap, so that the first tool head can be preliminarily positioned on the handle, at least one second engaging part is arranged on the abutting edge, the first engaging part and the second engaging part are mutually embedded, which can guide the fixing hole of the first tool head during installation, greatly improve the combined contact area between the body part and the first tool head, the first engaging part is a guide rib, and the second engaging part is a guide groove. The second tool head has a shaft rod provided with a fixed segment on the side end, a second hole is arranged on the fixed segment, when the second tool head is inserted into the shaft hole through the shaft rod and pressed to make the fixed segment enter the fixing hole, the first tool head and the second tool head can be installed on the handle, a sealing member is inserted from the first hole and combined with the first tool head and the fixed segment, which can prevent the shaft rod from gradually retreating due to violent vibration.

2. The iron hammer structure of claim 1, wherein, The handle is made of aluminum alloy.

3. The iron hammer structure of claim 1, wherein, The containing extension gap and the abutting edge are arranged in matching L shape.

4. The iron hammer structure of claim 1, wherein, A rubber sleeve is wrapped on the grip part of the handle.

5. The iron hammer structure of claim 1, wherein, The shaft hole is a stepped hole, and the shaft rod is a stepped rod, so that at least one step edge is formed on the shaft hole and the shaft rod.

6. The iron hammer structure of claim 1, wherein, An opening is formed above the first hole, and the sealing member is filled with epoxy resin, so that the epoxy resin can be filled in the opening, the first hole and the second hole to achieve smooth sealing of the opening.

7. The iron hammer structure of claim 1, wherein, The first hole is formed with an opening above, and the sealing member is composed of epoxy resin and a plug, the plug is first inserted into the first hole and the second hole, and then the opening is sealed by filling the epoxy resin in the opening.

8. The iron hammer structure of claim 1, wherein, The first tool head is first stopped on a fixed surface, and then the fixed segment of the second tool head is forced into the fixing hole of the first tool head by a pressing machine.