Hardware hardness detection device

By designing an adjustable impact component and a servo motor-driven hardware hardness testing device, the problem of inconvenient adjustment due to the fixed structure of existing devices has been solved, realizing the flexibility and adaptability of hardware hardness testing and improving testing efficiency.

CN223841679UActive Publication Date: 2026-01-27CHANGZHOU SENIOR VOCATIONAL & TECH SCHOOL
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Patent Information

Application Number
CN202423138733.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2026-01-27
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

Existing hardware hardness testing devices have a fixed structure, are inconvenient to adjust, cannot adapt to different workpiece heights, and are not very practical.

Method used

An impact assembly was designed, comprising a support arm, a servo motor, a driving bevel gear, a driven bevel gear, a pull rod, a slide bar, and an impact head. The servo motor drives the driving bevel gear, which in turn drives the pull rod and slide bar, enabling height adjustment of the impact head and continuous impact. Combined with adjustable knobs and positioning holes, it can adapt to the inspection requirements of different workpieces.

Benefits of technology

It achieves flexibility and adaptability in the hardness testing of hardware parts. The impact head is easy to install and remove, and its height is adjustable, which can meet the testing needs of workpieces of different thicknesses, thus improving testing efficiency and practicality.

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Abstract

The utility model discloses a hardware hardness detection device, and relates to the technical field of hardware detection, the top end of a supporting arm is provided with an impact assembly, a servo motor drives a driving bevel gear to rotate, the driving bevel gear drives a driven bevel gear to rotate, and the driven bevel gear drives a first pull rod to rotate in the autorotation process. The rotating first pull rod is in linkage with the second pull rod, the second pull rod continuously pulls the sliding strip, the sliding strip does reciprocating motion, the impact head at the end of the sliding strip can continuously move up and down, the impact head continuously impacts the hardware, the hardness detection effect of the hardware is achieved, the impact head can be easily installed at the end of an adaptive sleeve through rotation, and the detection efficiency is improved. The impact head is convenient to disassemble and assemble, meanwhile, the hardware can be impacted through the gravity of the impact assembly for detection, and the position of the impact assembly is adjusted through the adjusting knob in more cases, so that the detection requirements of the hardware with different thicknesses are met.
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Description

Technical Field

[0001] This utility model relates to the field of hardware testing technology, specifically a hardware hardness testing device. Background Technology

[0002] Hardware refers to tools made from metals such as gold, silver, copper, iron, and tin through processing and casting, used for fixing things, processing things, decoration, etc. Common hardware includes metal water pipes, metal door locks, metal hinges, metal tees, galvanized steel pipes, saw blades, etc. In order to meet the long-term use requirements of hardware, it is necessary to test the hardness of the hardware.

[0003] Existing hardware hardness testing devices are basically fixed components, which are inconvenient to adjust. The impact head cannot be disassembled and reassembled in an adaptable manner, and it is difficult to make adaptive adjustments according to the height of different workpieces, resulting in poor practicality. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a hardware hardness testing device, which solves the existing technical problems.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A hardware component hardness testing device includes a base plate, a support arm, and an impact assembly. The bottom end of the support arm is fixedly connected to the base plate, and the impact assembly is installed at the top end of the support arm. The impact assembly includes a protective shell, a servo motor, a driving bevel gear, a driven bevel gear, a first pull rod, a second pull rod, a slide bar, a guide seat, and an impact head. The outer wall of the protective shell is connected to the support arm. The protective shell is connected to the servo motor through its built-in mounting bracket. The driving bevel gear is installed at the output end of the servo motor and is movably connected to the driven bevel gear. A support seat and a fastener are installed at the center of the driven bevel gear. The driven bevel gear is connected to the protective shell through the support seat and to the first pull rod through the fastener. The end of the first pull rod is movably connected to the second pull rod, the second pull rod is movably connected to the slide bar, the slide bar is movably connected to the guide seat, the guide seat is fixedly connected to the inner wall of the protective shell, and the impact head is installed at the end of the slide bar.

[0007] Preferably, the end of the slide bar is fitted with a matching device, and the center of the matching device is threaded, and the matching device is connected to the impact head by means of thread engagement.

[0008] Preferably, the protective shell extends through the support arm, and the outer wall of the protective shell has evenly distributed positioning holes. An adjustable knob is installed on the support arm, and the end of the knob is movably connected to the positioning hole.

[0009] Preferably, the outer wall of the protective shell is fitted with symmetrically distributed grip ears.

[0010] Preferably, a pad is installed on the base plate, and the pad is located directly below the impact head.

[0011] Preferably, the guide seat has a rectangular hole distributed in a long strip at its center, and the guide seat is connected to the slide bar through this rectangular frame.

[0012] This utility model provides a hardware component hardness testing device, which has the following advantages compared with the prior art:

[0013] Beneficial effects:

[0014] 1. This hardware hardness testing device has an impact component installed at the top of the support arm. The bottom of the impact component contacts the hardware sample on the base plate, thus achieving the effect of testing the hardness of the hardware. The impact component includes a protective shell, a servo motor, a driving bevel gear, a driven bevel gear, a first pull rod, a second pull rod, a slide bar, a guide seat, and an impact head. The guide seat guides and limits the slide bar, and the impact head is installed at the end of the slide bar. The impact head can be easily installed at the appropriate end by rotation, and the impact head is easy to install and remove.

[0015] 2. This hardware hardness testing device has an adjustable knob installed on the support arm. The end of the knob is movably connected to the positioning hole on the outer wall of the protective shell. That is, the entire impact assembly can move up and down a certain distance along the through hole reserved on the support arm. In this way, the height of the impact assembly is adjusted. At the same time, the hardware can be tested by impacting it with its own weight. In more cases, the position of the impact assembly is adjusted by adjusting the knob to meet the testing needs of hardware with different thicknesses.

[0016] 3. This hardware hardness testing device, after adjusting the installation height of the impact assembly, performs normal hardware hardness testing. The servo motor drives the active bevel gear to rotate, which in turn drives the driven bevel gear to rotate. During the rotation of the driven bevel gear, the first pull rod rotates. The rotating first pull rod is linked to the second pull rod, which continuously pulls the slide bar. The slide bar reciprocates, and the impact head at the end of the slide bar moves up and down continuously. The impact head continuously impacts the hardware, achieving the hardness testing effect. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure and appearance of this utility model;

[0018] Figure 2 This is a schematic diagram of the impact component structure of this utility model.

[0019] In the diagram: 1. Base plate; 2. Support arm; 21. Knob; 3. Impact assembly; 31. Protective shell; 311. Grip ear; 32. Servo motor; 33. Driving bevel gear; 34. Driven bevel gear; 341. Support base; 342. Fastener; 35. First pull rod; 36. Second pull rod; 37. Slide bar; 371. Adaptor; 38. Guide seat; 39. Impact head. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figures 1-2 This utility model provides a hardware hardness testing device, including a base plate 1, a support arm 2, and an impact assembly 3. The bottom end of the support arm 2 is fixedly connected to the base plate 1, and the impact assembly 3 is installed at the top end of the support arm 2. The base plate 1 serves as the foundation of the entire device, and the support arm 2 installed on the base plate 1 can support the impact assembly 3. The bottom end of the impact assembly 3 can contact the hardware sample on the base plate 1, thus achieving the effect of hardness testing of the hardware. The impact assembly 3 includes a protective shell 31, a servo motor 32, a driving bevel gear 33, a driven bevel gear 34, a first pull rod 35, a second pull rod 36, a slide bar 37, a guide seat 38, and an impact head 39. The outer wall of the shell 31 is connected to the support arm 2. The protective shell 31 is connected to the servo motor 32 through its built-in mounting bracket. The output end of the servo motor 32 is equipped with the active bevel gear 33. The active bevel gear 33 is movably connected to the driven bevel gear 34. The center of the driven bevel gear 34 is equipped with a support seat 341 and a fastener 342. The driven bevel gear 34 is connected to the protective shell 31 through the support seat 341. The driven bevel gear 34 is connected to the first pull rod 35 through the fastener 342. The end of the first pull rod 35 is movably connected to the second pull rod 36. The second pull rod 36 is movably connected to the slide bar 37. The slide bar 37 is movably connected to the guide seat 38. The guide seat 38 is fixedly connected to the inner wall of the protective shell 31. The end of the slide bar 37 is equipped with an impact head 39.

[0022] The end of the slide bar 37 is equipped with a matching piece 371. The center of the matching piece 371 is threaded. The matching piece 371 is connected to the impact head 39 by means of thread engagement. Of course, the top of the impact head 39 is also provided with an external thread. The impact head 39 can be easily installed on the end of the matching piece 371 by rotation, that is, the impact head 39 is easy to install and remove.

[0023] The protective shell 31 penetrates the support arm 2. The outer wall of the protective shell 31 has evenly distributed positioning holes. An adjustable knob 21 is installed on the support arm 2. The end of the knob 21 is movably connected to the positioning hole, so that the entire impact assembly 3 can move up and down a certain distance along the through hole reserved on the support arm 2. In this way, the height of the impact assembly 3 is adjusted. At the same time, the impact assembly 3 can be used to impact the hardware parts for testing by its own weight. In more cases, the position of the impact assembly 3 is adjusted by adjusting the knob 21 to meet the testing needs of hardware parts of different thicknesses.

[0024] The outer wall of the protective shell 31 is equipped with symmetrically distributed grip ears 311. After loosening the knob 21, the grip ears 311 can be operated by hand to move the protective shell 31 up and down.

[0025] A pad is installed on the base plate 1. The pad is located directly below the impact head 39. During testing, the hardware to be tested is placed on the pad, and the falling impact head 39 contacts the hardware to perform hardness testing.

[0026] The guide seat 38 has a rectangular hole distributed in a long strip at its center. The guide seat 38 is connected to the slide bar 37 through this rectangular frame. When the slide bar 37 is working, the slide bar 37 slides continuously through the rectangular hole on the guide seat 38. The guide seat 38 plays the role of guiding and limiting.

[0027] Working Principle: This hardware hardness testing device includes a base plate 1, a support arm 2, and an impact component 3. The impact component 3 is installed at the top of the support arm 2. The base plate 1 serves as the foundation of the entire device. The support arm 2 installed on the base plate 1 supports the impact component 3. The bottom end of the impact component 3 can contact the hardware sample on the base plate 1, thus achieving the effect of hardness testing of the hardware. The impact component 3 includes a protective shell 31, a servo motor 32, a driving bevel gear 33, a driven bevel gear 34, a first pull rod 35, a second pull rod 36, and a slide bar 37. The guide seat 38 and impact head 39 are connected to the outer wall of the protective shell 31 via the support arm 2. The servo motor 32, the driving bevel gear 33, the driven bevel gear 34, the first pull rod 35, the second pull rod 36, the slide bar 37, and the guide seat 38 are all located inside the protective shell 31. The output end of the servo motor 32 is equipped with the driving bevel gear 33, which is movably connected to the driven bevel gear 34. The driven bevel gear 34 is movably connected to the second pull rod 36 via the first pull rod 35. The second pull rod 36 is also movably connected to the slide bar 37. The guide seat 38 guides and limits the slide bar 37. The end of the slide bar 37 is equipped with an impact head 39. The impact head 39 can be easily installed on the end of the matching part 371 by rotation, making it easy to install and remove. An adjustable knob 21 is installed on the support arm 2, and the end of the knob 21 is movably connected to the positioning hole on the outer wall of the protective shell 31. That is, the entire impact assembly 3 can move up and down a certain distance along the through hole reserved on the support arm 2, thus adjusting the height of the impact assembly 3. At the same time, the impact assembly 3 can be used to impact the hardware parts for testing by its own weight. In more cases, the position of the impact assembly 3 is adjusted by adjusting the knob 21 to meet the needs of hardware of different thicknesses. The testing requirements for the parts are as follows: After adjusting the installation height of the impact assembly 3, normal hardness testing of the hardware parts is performed. The servo motor 32 drives the active bevel gear 33 to rotate, which in turn drives the driven bevel gear 34 to rotate. During the rotation of the driven bevel gear 34, the first pull rod 35 rotates. The rotating first pull rod 35 is linked to the second pull rod 36, which continuously pulls the slide bar 37. The slide bar 37 reciprocates, and the impact head 39 at the end of the slide bar 37 moves up and down continuously. The impact head 39 continuously impacts the hardware parts to achieve the hardness testing effect of the hardware parts.

[0028] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0029] It should be noted that the above description and illustration of the basic principles, main features and advantages of this utility model should be understood by those skilled in the art. This utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are only illustrative of the principles of this utility model. Various changes and modifications may be made to this utility model without departing from the spirit and scope of this utility model. All such changes and modifications fall within the scope of protection of this utility model as defined by the appended claims and their equivalents.

Claims

1. A hardware component hardness testing device, comprising a base plate (1), a support arm (2), and an impact assembly (3), wherein the bottom end of the support arm (2) is fixedly connected to the base plate (1), and the top end of the support arm (2) is equipped with the impact assembly (3), characterized in that: The impact assembly (3) includes a protective shell (31), a servo motor (32), a driving bevel gear (33), a driven bevel gear (34), a first pull rod (35), a second pull rod (36), a slide bar (37), a guide seat (38), and an impact head (39). The outer wall of the protective shell (31) is connected to a support arm (2). The protective shell (31) is connected to the servo motor (32) via its built-in mounting bracket. The output end of the servo motor (32) is fitted with the driving bevel gear (33). The driving bevel gear (33) is movably connected to the driven bevel gear (34). A support base (341) and a fastener (342) are installed at the center of the 34). The driven bevel gear (34) is connected to the protective shell (31) through the support base (341). The driven bevel gear (34) is connected to the first pull rod (35) through the fastener (342). The end of the first pull rod (35) is movably connected to the second pull rod (36). The second pull rod (36) is movably connected to the slide bar (37). The slide bar (37) is movably connected to the guide seat (38). The guide seat (38) is fixedly connected to the inner wall of the protective shell (31). An impact head (39) is installed at the end of the slide bar (37).

2. The hardware hardness testing device according to claim 1, characterized in that: The slide bar (37) is fitted with a matching device (371) at its end. The matching device (371) has a thread at its center and is connected to the impact head (39) by means of thread engagement.

3. The hardware hardness testing device according to claim 1, characterized in that: The protective shell (31) penetrates the support arm (2). The outer wall of the protective shell (31) is provided with evenly distributed positioning holes. An adjustable knob (21) is installed on the support arm (2). The end of the knob (21) is movably connected to the positioning hole.

4. The hardware hardness testing device according to claim 3, characterized in that: The outer wall of the protective shell (31) is fitted with symmetrically distributed grip ears (311).

5. The hardware hardness testing device according to claim 1, characterized in that: A pad is installed on the base plate (1), and the pad is located directly below the impact head (39).

6. The hardware hardness testing device according to claim 1, characterized in that: The guide seat (38) has a rectangular hole distributed in a long strip at its center, and the guide seat (38) is connected to the slide bar (37) through this rectangular frame.