Lightweight geological hammer
By combining the metal core rod with the wooden handle and forming a fixed connection through the connecting seat and lock nut, the existing geological hammer handle has been solved, and the lightweight design and stable connection are achieved.
Patent Information
- Application Number
- CN202422224355.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-06-24
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The handle materials of existing geological hammers are mostly heavy metal or pure iron, which makes them inconvenient to carry. The wooden handle is not firmly connected to the hammer head and is easy to loosen.
The combination of wooden handle and metal core rod is designed. The metal core rod is placed in the installation hole of the wooden handle and a fixed connection is formed through the connecting seat and locking nut to ensure a stable connection between the handle and the hammer head.
The lightweight design of the handle is realized, while ensuring structural strength and connection stability, avoiding the looseness of the handle and hammer head, and improving the convenience of use.
Smart Images
Figure CN223013093U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of geological hammers, in particular to a lightweight geological hammer. Background Art
[0002] The geological hammer is one of the basic tools for geological work. It is made of high-quality steel head and steel handle. One end of the geological hammer is rectangular or square, and the other end is pointed diamond. It can be used with a flat hammer and a pointed hammer to peel off rock strata, which is beneficial for finding fossils and sampling. It is also used to repair rock, mineral and other specimens to standardize them for easy packaging. It plays an important role in the field of geological exploration.
[0003] The handle rods of existing geological hammers are all made of steel or pure iron, and the handles are all solid structures, heavy and inconvenient to carry; of course, some existing geological hammers use wooden handles, which are lighter than pure metal handles, but the connection between the pure wooden handle and the hammer head is not very reliable, and the connection between the hammer head and the handle is prone to loosening after long-term use. Utility Model Content
[0004] The purpose of the utility model is to solve the above problems in the existing technology and to propose a lightweight geological hammer. The technical problem to be solved by the utility model is: how to solve the problem that the existing geological hammer uses a metal handle that is heavy and inconvenient to carry.
[0005] The purpose of the utility model can be achieved through the following technical solutions:
[0006] A lightweight geological hammer, comprising a hammer head and a handle assembly, wherein the hammer head has a mounting rod, and the mounting rod has a threaded connection column. The characteristic is that the handle assembly comprises a wooden handle and a metal core rod, wherein the wooden handle has a mounting hole extending from front to back, the metal core rod is inserted into the mounting hole, the front end of the metal core rod has a connecting seat, the connecting seat abuts against the front end surface of the wooden handle, the connecting seat is provided with a threaded connection hole, and the threaded connection column is connected to the threaded connection hole; the rear end of the metal core rod extends out of the mounting hole, the rear end of the metal core rod is threadedly connected to a locking nut, a rubber pad is fixedly connected to the rear end surface of the wooden handle, and the locking nut is pressed against the rubber pad.
[0007] The handle assembly body of this structure uses a wooden handle. A metal core rod is arranged inside the wooden handle. The connection seat and the locking nut are provided to form a fixed connection between the metal core rod and the wooden handle. The combination of the wooden handle and the metal core rod has good structural strength and realizes lightweight design. The connection seat facilitates the connection between the threaded connection post on the hammer head and the connection seat. Since the connection seat is a metal part, the connection between the hammer head and the connection seat has high stability and is not easy to loosen. The structure that the locking nut presses on the rubber pad makes the locking nut not easy to loosen, thus ensuring the stability of the connection between the metal core rod and the wooden handle.
[0008] In the above-mentioned lightweight geological hammer, a positioning hole communicating with the installation hole is opened on the front end face of the wooden handle. The positioning hole is hexagonal. A positioning protrusion is provided on the rear side face of the connection seat. The shape of the positioning protrusion is adapted to the shape of the positioning hole, and the positioning protrusion is embedded in the positioning hole. Through the setting of this structure, after the metal core rod is inserted into the installation hole, the positioning protrusion is embedded in the positioning hole. Then, during the process of installing the locking nut, the metal core rod is circumferentially positioned, and the metal core rod does not move during the rotation of the locking nut, ensuring the convenience of installing the locking nut.
[0009] In the above-mentioned lightweight geological hammer, the metal core rod, the connection seat and the positioning protrusion are integrally formed, and the metal core rod, the connection seat and the positioning protrusion are all made of steel materials. After the metal core rod, the connection seat and the positioning protrusion are integrally formed, they have good structural strength.
[0010] In the above-mentioned lightweight geological hammer, an installation sleeve extending along its axial direction is provided on the hole wall of the locking nut. Internal threads are opened on the inner wall of the installation sleeve, and the installation sleeve is threadedly connected to the rear end of the metal core rod. The setting of the installation sleeve facilitates the threaded connection with the metal core rod.
[0011] In the above-mentioned lightweight geological hammer, external threads are opened on the outer peripheral surface of the installation sleeve. There are two handle assemblies. The installation sleeve on one handle assembly is connected to the threaded connection hole on the other handle assembly. The design of the installation sleeve in this structure can connect the two handle assemblies. After the two handle assemblies are connected, it is equivalent to increasing the length of the handle to adapt to the corresponding usage scenarios. Since the two handle assemblies are detachable, they are lighter in weight and also convenient to carry, improving the convenience of use.
[0012] Compared with the prior art, the lightweight geological hammer of the present utility model has the following advantages: The main body of the handle assembly of this structure adopts a wooden handle, and a metal core rod is arranged inside the wooden handle. The connection seat and the locking nut are provided so that the metal core rod and the wooden handle form a fixed connection. The combination of the wooden handle and the metal core rod has good structural strength and realizes lightweight design. The connection seat is convenient for the threaded connection column on the hammer head to be connected with the connection seat. Since the connection seat is a metal part, the connection stability between the hammer head and the connection seat is high and it is not easy to loosen. The structure that the locking nut presses on the rubber pad makes the locking nut not easy to loosen, thereby ensuring the connection stability between the metal core rod and the wooden handle. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 is an exploded structural schematic diagram of the present utility model.
[0014] Figure 2 is a sectional structural schematic diagram of the present utility model.
[0015] Figure 3 is an exploded structural schematic diagram of the handle assembly of the present utility model.
[0016] Figure 4 is a three-dimensional structural schematic diagram of the metal core rod of the present utility model.
[0017] Figure 5 is a three-dimensional structural schematic diagram after two handle assemblies of the present utility model are connected.
[0018] In the figure, 1. Hammer head; 100. Mounting rod; 101. Threaded connection column; 2. Handle assembly; 20. Wooden handle; 21. Metal core rod; 22. Connection seat; 220. Threaded connection hole; 23. Locking nut; 230. Mounting sleeve; 24. Rubber pad; 25. Positioning protrusion; 3. Mounting hole; 4. Positioning hole. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0019] The following are specific embodiments of the present utility model in combination with the drawings, and the technical solutions of the present utility model are further described, but the present utility model is not limited to these embodiments.
[0020] As Figures 1 to 4As shown in the figure, this lightweight geological hammer includes a hammer head 1 and a handle assembly 2. The hammer head 1 has a mounting rod 100, and the mounting rod 100 has a threaded connection post 101. The handle assembly 2 includes a wooden handle 20 and a metal core rod 21. The wooden handle 20 has a mounting hole 3 that runs through from front to back. The metal core rod 21 is inserted into the mounting hole 3. The front end of the metal core rod 21 has a connection seat 22. The connection seat 22 abuts against the front end face of the wooden handle 20. A threaded connection hole 220 is formed in the connection seat 22, and the threaded connection post 101 is connected to the threaded connection hole 220. The rear end of the metal core rod 21 extends outside the mounting hole 3. A locking nut 23 is threadedly connected to the rear end of the metal core rod 21. A rubber pad 24 is fixedly connected to the rear end face of the wooden handle 20, and the locking nut 23 is pressed against the rubber pad 24. The main body of the handle assembly 2 of this structure is the wooden handle 20, and the metal core rod 21 is arranged inside the wooden handle 20. The settings of the connection seat 22 and the locking nut 23 enable the metal core rod 21 to form a fixed connection with the wooden handle 20. The combination of the wooden handle 20 and the metal core rod 21 has good structural strength and realizes a lightweight design. The setting of the connection seat 22 facilitates the connection between the threaded connection post 101 on the hammer head 1 and the connection seat 22. Since the connection seat 22 is a metal part, the connection between the hammer head 1 and the connection seat 22 has high stability and is not easy to loosen. The structure in which the locking nut 23 is pressed against the rubber pad 24 makes the locking nut 23 not easy to loosen, thereby ensuring the stability of the connection between the metal core rod 21 and the wooden handle 20.
[0021] Furthermore, a positioning hole 4 communicating with the mounting hole 3 is formed in the front end face of the wooden handle 20. The positioning hole 4 is hexagonal. A positioning protrusion 25 is provided on the rear side face of the connection seat 22. The shape of the positioning protrusion 25 is adapted to the shape of the positioning hole 4, and the positioning protrusion 25 is embedded in the positioning hole 4. The metal core rod 21, the connection seat 22, and the positioning protrusion 25 are integrally formed, and the metal core rod 21, the connection seat 22, and the positioning protrusion 25 are all made of steel. After the metal core rod 21 is inserted into the mounting hole 3, the positioning protrusion 25 is embedded in the positioning hole 4. Then, during the process of installing the locking nut 23, the metal core rod 21 is circumferentially positioned, and the metal core rod 21 does not move during the rotation of the locking nut 23, ensuring the convenience of installing the locking nut 23.
[0022] As Figures 1 to 5As shown, on the hole wall of the locking nut 23, there is an installation sleeve 230 extending along its axial direction. An internal thread is provided on the inner wall of the installation sleeve 230, and the installation sleeve 230 is threadedly connected to the rear end of the metal core rod 21. An external thread is provided on the outer peripheral surface of the installation sleeve 230. There are two handle assemblies 2, and the installation sleeve on one of the handle assemblies 2 is connected to the threaded connection hole 220 on the other handle assembly 2. The design of the installation sleeve 230 in this structure enables the connection of the two handle assemblies 2. After the two handle assemblies 2 are connected, it is equivalent to increasing the length of the handle to adapt to the corresponding usage scenarios. Since the two handle assemblies 2 are detachable, they are light in weight and also convenient to carry, improving the convenience of use.
[0023] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art to which the present invention pertains can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.
Claims
1. A lightweight geological hammer, comprising a hammer head (1) and a handle assembly (2), wherein the hammer head (1) has a mounting rod (100), and the mounting rod (100) has a threaded connection column (101), characterized in that: The handle assembly (2) comprises a wooden handle (20) and a metal core rod (21). The wooden handle (20) has a mounting hole (3) extending through the wooden handle (20). The metal core rod (21) is inserted into the mounting hole (3). The front end of the metal core rod (21) has a connecting seat (22). The connecting seat (22) abuts against the front end surface of the wooden handle (20). The connecting seat (22) is provided with a threaded connecting hole (220). The threaded connecting column (101) is connected to the threaded connecting hole (220). The rear end of the metal core rod (21) extends out of the mounting hole (3). The rear end of the metal core rod (21) is threadedly connected to a locking nut (23). A rubber pad (24) is fixedly connected to the rear end surface of the wooden handle (20). The locking nut (23) is pressed against the rubber pad (24).
2. A lightweight geological hammer according to claim 1, characterized in that: A positioning hole (4) connected to the mounting hole (3) is provided on the front end surface of the wooden handle (20), the positioning hole (4) being hexagonal in shape, and a positioning protrusion (25) is provided on the rear side surface of the connecting seat (22), the shape of the positioning protrusion (25) being compatible with the shape of the positioning hole (4), and the positioning protrusion (25) being embedded in the positioning hole (4).
3. A lightweight geological hammer according to claim 2, characterized in that: The metal core rod (21), the connecting seat (22) and the positioning protrusion (25) are integrally formed, and the metal core rod (21), the connecting seat (22) and the positioning protrusion (25) are all made of steel.
4. A lightweight geological hammer according to claim 1, characterized in that: The hole wall of the locking nut (23) is provided with a mounting sleeve (230) extending along its axial direction, the inner wall of the mounting sleeve (230) is provided with an internal thread, and the mounting sleeve (230) is threadedly connected to the rear end of the metal core rod (21).
5. A lightweight geological hammer according to claim 4, characterized in that: The outer peripheral surface of the installation sleeve (230) is provided with an external thread.
6. A lightweight geological hammer according to claim 5, characterized in that: The handle components (2) have two, wherein the mounting sleeve on one handle component (2) is connected to the threaded connection hole (220) on the other handle component (2).