A steel ball pressure head that is easy to replace

Abstract

The utility model discloses a steel ball indenter that is easy to replace, and relates to the technical field of hardness testing devices, including an equipment component, wherein the equipment component includes an equipment body, a mounting component is fixedly connected to the bottom end of the equipment body, and a protective component is slidably connected inside the equipment body. The mounting component includes a fixed block fixedly connected to the bottom end of the equipment body, two sets of springs are provided on both sides of the inner wall of the fixed block, a connecting rod is fixedly connected at the center position of the bottom end of the V-shaped connecting block, and a sliding shaft is welded to the side of the connecting rod away from the inclined block. The utility model pushes the connecting rods on both sides upward, so that the connecting rod drives the V-shaped connecting block to move upward, and the inclined blocks on both sides move to both sides and squeeze the springs until the inclined blocks move out of the limit of the steel ball indenter, and then the steel ball indenter can be removed for replacement, which is convenient for the staff to quickly replace the steel ball indenter, further improving the replacement speed of the staff and improving the detection efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of hardness testing devices, in particular to a steel ball indenter which is easy to replace. Background Art

[0002] Hardness is the most commonly used performance index of the mechanical properties of metal materials. Hardness testing is also the fastest and most economical test method. It is an important means to judge the quality of metal materials or parts. Most metal materials can also be used to approximately calculate other mechanical properties such as strength, fatigue, creep and wear through hardness. The hardness tester detects the hardness of metal workpieces by indenting the surface of the workpiece with the indenter.

[0003] When using a steel ball indenter to detect the hardness of a metal workpiece, steel ball indenters of different sizes are replaced according to different detection requirements during the detection process. In the prior art, workers replace the steel ball indenters by holding a screwdriver, which is too cumbersome. When detecting the workpiece, the steel ball indenter may need to be replaced frequently, which seriously reduces the detection efficiency of the device. Therefore, a steel ball indenter that is easy to replace is proposed. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide a steel ball pressure head that is easy to replace to solve the technical problems raised in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a steel ball pressure head that is easy to replace, including an equipment component, the equipment component includes an equipment body, the bottom end of the equipment body is fixedly connected to an installation component, and a protective component is slidably connected inside the equipment body.

[0006] As an optimal technical solution for an easily replaceable steel ball pressure head of the utility model, the installation assembly includes a fixed block fixedly connected to the bottom end of the equipment body, two groups of springs are provided on both sides of the inner wall of the fixed block, the spring is fixedly connected to an inclined block on the side away from the fixed block, the inclined block is slidably connected to a V-shaped connecting block on the side away from the spring, a connecting rod is fixedly connected at the center position of the bottom end of the V-shaped connecting block, and a sliding shaft is welded to the connecting rod on the side away from the inclined block.

[0007] As an optimal technical solution for a steel ball pressure head that is easy to replace in the utility model, the protective component includes a first protective plate slidably connected to the inner wall of the equipment body, a second protective plate is slidably connected inside the first protective plate, and a first magnet is welded on one side of the first protective plate, and a second magnet is welded on one side of the second protective plate, multiple groups of grooves are opened on both sides of the interior of the equipment body, a limit spring is fixedly connected inside the groove, and a ball head rod is fixedly connected to the side of the limit spring away from the groove.

[0008] As an optimal technical solution for a steel ball pressure head that is easy to replace in the utility model, a sliding groove is provided on the inner wall of the fixed block, and the sliding shaft is slidably connected to the sliding groove.

[0009] As an optimal technical solution for a steel ball pressure head that is easy to replace in the utility model, the V-shaped connecting block is slidably connected to the inclined block, and a steel ball pressure head is provided on the top of the inclined block.

[0010] As an optimal technical solution for a steel ball pressure head that is easy to replace in the utility model, grooves that match the ends of the ball head rod are opened on both sides of the first protective plate, and the first magnet is magnetically connected to the second magnet.

[0011] In summary, the utility model mainly has the following beneficial effects:

[0012] The utility model pushes the connecting rods on both sides upwards so that the connecting rods drive the V-shaped connecting blocks to move upwards, so that the inclined blocks on both sides move to both sides and squeeze the springs until the inclined blocks move out of the limit of the steel ball pressure head. Then the steel ball pressure head can be removed and replaced, which is convenient for staff to quickly replace the steel ball pressure head, further improving the replacement speed of staff and also improving the detection efficiency.

[0013] The utility model provides protection during detection through the first protective plate and the second protective plate, thereby preventing some brittle metal workpieces from breaking and splashing during hardness testing, and even injuring workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall components of the utility model;

[0015] Figure 2 This is a schematic diagram of the installation assembly of the utility model;

[0016] Figure 3 This is a schematic diagram of the interior of the fixed block of the utility model;

[0017] Figure 4 It is a schematic diagram of the protection component of the utility model;

[0018] Figure 5 For the utility model Figure 4 Enlarged view of point A in the middle.

[0019] In the figure: 100, equipment component; 110, equipment body; 111, groove; 120, steel ball pressure head;

[0020] 200, mounting assembly; 210, fixing block; 211, slide groove; 220, spring; 230, inclined block; 240, V-shaped connecting block; 250, connecting rod; 260, sliding shaft;

[0021] 300, protective assembly; 310, first protective plate; 311, slot; 320, second protective plate; 330, first magnet; 340, second magnet; 350, limit spring; 360, ball head rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0023] The following describes an embodiment of the utility model based on its overall structure.

[0024] A steel ball indenter that is easy to replace, such as Figure 1-5 As shown, the device assembly 100 includes a device body 110 , a mounting assembly 200 is fixedly connected to the bottom of the device body 110 , and a protective assembly 300 is slidably connected inside the device body 110 .

[0025] The device enables the staff to quickly replace the steel ball indenter 120 through the installation component 200, thereby improving the detection efficiency. The protective component 300 can prevent some brittle metal workpieces from breaking and splashing during hardness testing.

[0026] Please refer to Figure 2 and Figure 3 The installation assembly 200 includes a fixed block 210 fixedly connected to the bottom end of the device body 110, two groups of springs 220 are provided on both sides of the inner wall of the fixed block 210, a slanted block 230 is fixedly connected to the side of the spring 220 away from the fixed block 210, a V-shaped connecting block 240 is slidably connected to the side of the slanted block 230 away from the spring 220, a connecting rod 250 is fixedly connected at the center position of the bottom end of the V-shaped connecting block 240, and a sliding shaft 260 is welded to the side of the connecting rod 250 away from the slanted block 230.

[0027] When the steel ball indenter 120 needs to be replaced for inspection of a metal workpiece, the staff pushes the connecting rods 250 on both sides upwards, so that the connecting rods 250 drive the V-shaped connecting block 240 to move upwards, and the inclined blocks 230 on both sides move to both sides and squeeze the spring 220 until the inclined blocks 230 move out of the limit of the steel ball indenter 120. Then the steel ball indenter 120 can be removed and replaced, which is convenient for the staff to quickly replace the steel ball indenter 120, further improving the replacement speed of the staff and also improving the inspection efficiency.

[0028] Please refer to Figure 4 and Figure 5The protective component 300 includes a first protective plate 310 slidably connected to the inner wall of the device body 110, a second protective plate 320 is slidably connected inside the first protective plate 310, and a first magnet 330 is welded on one side of the first protective plate 310, and a second magnet 340 is welded on one side of the second protective plate 320. Multiple groups of grooves 111 are opened on both sides of the inside of the device body 110, and a limiting spring 350 is fixedly connected inside the groove 111, and a ball head rod 360 is fixedly connected to the side of the limiting spring 350 away from the groove 111.

[0029] When testing metal workpieces, the second protective plate 320 is pulled to drive the first protective plate 310 to move. When the first protective plate 310 moves, the ball head rod 360 is squeezed, so that the ball head rod 360 squeezes the limit spring 350 and moves inward until it is released from the limit of the slot 311. The second protective plate 320 is continuously pulled to separate the first magnet 330 from the second magnet 340. The first protective plate 310 and the second protective plate 320 are used for protection during testing to prevent some brittle metal workpieces from breaking and splashing during hardness testing, and even injuring staff.

[0030] Please refer to Figure 3 and Figure 4 A sliding groove 211 is provided on the inner wall of the fixed block 210, the sliding shaft 260 is slidably connected to the sliding groove 211, the V-shaped connecting block 240 is slidably connected to the inclined block 230, a steel ball pressure head 120 is provided on the top of the inclined block 230, and slots 311 that match the ends of the ball head rod 360 are provided on both sides of the first protective plate 310, and the first magnet 330 is magnetically connected to the second magnet 340.

[0031] Through the cooperation between the sliding shaft 260 and the sliding groove 211 , the connecting rod 250 can better push the V-shaped connecting block 240 , and the second protective plate 320 can be stored conveniently through the first magnet 330 and the second magnet 340 .

[0032] During use, when the steel ball indenter 120 needs to be replaced for inspection of the metal workpiece, the staff pushes the connecting rods 250 on both sides upwards, so that the connecting rods 250 drive the V-shaped connecting block 240 to move upwards, so that the inclined blocks 230 on both sides move to both sides and squeeze the spring 220, until the inclined blocks 230 move out of the limit of the steel ball indenter 120, and then the steel ball indenter 120 can be removed for replacement, which is convenient for the staff to quickly replace the steel ball indenter 120, further improving the replacement speed of the staff and improving the inspection efficiency. When conducting inspection, the second protective plate 320 is pulled to drive The first protective plate 310 moves, and the first protective plate 310 squeezes the ball head rod 360 when moving, so that the ball head rod 360 squeezes the limit spring 350 and moves inward until it is free from the limit of the slot 311, and continuously pulls the second protective plate 320 to separate the first magnet 330 from the second magnet 340. The first protective plate 310 and the second protective plate 320 are used for protection during detection to prevent some brittle metal workpieces from breaking and splashing during hardness testing, and even injuring staff. The parts not involved in the device are the same as the prior art or can be implemented using the prior art.

[0033] Although an embodiment of the utility model has been shown and described, this specific embodiment is merely an explanation of the utility model and is not a limitation of the utility model. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contributions as needed without departing from the principles and purpose of the utility model. However, as long as they are within the scope of the claims of the utility model, they are protected by patent law.

Claims

1. A steel ball indenter that is easy to replace, comprising an equipment assembly (100), characterized in that: The device assembly (100) comprises a device body (110), a mounting assembly (200) being fixedly connected to the bottom end of the device body (110), and a protection assembly (300) being slidably connected inside the device body (110).

2. The easily replaceable steel ball indenter according to claim 1, characterized in that: The mounting assembly (200) comprises a fixed block (210) fixedly connected to the bottom end of the device body (110), two groups of springs (220) are provided on both sides of the inner wall of the fixed block (210), a side of the spring (220) away from the fixed block (210) is fixedly connected to an inclined block (230), a side of the inclined block (230) away from the spring (220) is slidably connected to a V-shaped connecting block (240), a connecting rod (250) is fixedly connected at the center position of the bottom end of the V-shaped connecting block (240), and a sliding shaft (260) is welded to the side of the connecting rod (250) away from the inclined block (230).

3. The easily replaceable steel ball indenter according to claim 1, characterized in that: The protection component (300) comprises a first protection plate (310) slidably connected to the inner wall of the device body (110); a second protection plate (320) is slidably connected inside the first protection plate (310); a first magnet (330) is welded to one side of the first protection plate (310); a second magnet (340) is welded to one side of the second protection plate (320); a plurality of groups of grooves (111) are provided on both sides inside the device body (110); a limit spring (350) is fixedly connected inside the groove (111); and a ball head rod (360) is fixedly connected to the side of the limit spring (350) away from the groove (111).

4. The easily replaceable steel ball indenter according to claim 2, characterized in that: The inner wall of the fixed block (210) is provided with a sliding groove (211), and the sliding shaft (260) is slidably connected to the sliding groove (211).

5. The easily replaceable steel ball indenter according to claim 2, characterized in that: The V-shaped connection block (240) is slidably connected to the inclined block (230), and a steel ball pressure head (120) is provided at the top end of the inclined block (230).

6. The easily replaceable steel ball indenter according to claim 3, characterized in that: The first protective plate (310) has slots (311) on both sides thereof that fit the ends of the ball head rod (360), and the first magnet (330) is magnetically connected to the second magnet (340).

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