Hardmeter calibration device with adjusting function

Abstract

The utility model discloses a durometer calibrating device with an adjusting function, which relates to the technical field of durometer calibration and comprises a base, an objective table is embedded on one side of the top of the base, a supporting rod is connected to the other side of the top of the base, a cross arm is sleeved on the outer side of the supporting rod, one end of the cross arm is connected with the supporting rod through an adjusting mechanism, and the other end of the cross arm is connected with the adjusting mechanism. Through the adjusting mechanism, the push rod can be pushed to drive the first baffle, then the fixed rod pushes the connected sliding rod to move towards the relative outer side, the sliding rod is moved out of the clamping groove, then the sliding cross arm slides on the supporting rod, and after the sliding cross arm is lowered and moved to a proper position, force applied to the push rod can be released; the sliding rod is reset and clamped into the corresponding clamping groove under the elastic force of the first spring, so that the cross arm is fixed, adjustment is completed, use is convenient, and practicability is higher; through the positioning assembly, the connecting rod can be conveniently limited and guided, rotation of the hardness meter caused by accidental stress is avoided, and observation of workers is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of hardness tester calibration technology, specifically a hardness tester calibration device with adjustment function. Background Technology

[0002] The purpose of a hardness tester is to measure the hardness of materials or products. Testing the hardness of products is mainly to ensure the quality of the manufactured products. By testing, the products can meet certain national standards and be approved for sale. Measuring hardness reflects the quality control of products in the production process, distinguishing between defective and qualified products. Through testing, the pass rate of products can be improved and increased, which is of great significance to manufacturing enterprises.

[0003] A hardness tester calibration device (authorization announcement number CN221377569U) is disclosed in the patent database. It includes a cross arm sleeved on the outer surface of a support rod. A positioning hole is provided on the side of the cross arm, and an adjustment rod for adjustment is threaded into the hole. A connecting rod for positioning is inserted into the upper end of the cross arm, and a pressure block for pressing down is fixedly connected to the upper end of the connecting rod. This hardness tester calibration device, through the coordinated arrangement of the connecting rod, hardness tester, pressure block, and knob, allows the operator to first fix the hardness tester to the lower end of the connecting rod. If the surface of the hardness tester is not aligned with the operator after fixing, the pressure block can be lifted upwards by turning the knob and then rotated until the surface of the hardness tester is in the appropriate position. Then, the knob can be released to allow the pressure block to press down. This avoids the problem of the operator being unable to observe the tester during testing due to the surface of the hardness tester not being aligned, thus improving the practicality of the hardness tester calibration device.

[0004] In use, the aforementioned hardness tester calibration device is connected to the cross arm by an adjusting rod. By twisting the adjusting rod, one end of it is pressed against the support rod, thereby fixing the position of the cross arm after adjustment. However, this adjustment method is relatively cumbersome to operate, inconvenient to use, and has relatively poor practicality. Utility Model Content

[0005] The purpose of this invention is to provide a hardness tester calibration device with adjustment function to solve the problems raised in the prior art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a hardness tester calibration device with adjustable function, including a base, a platform embedded on one side of the top of the base, a support rod connected to the other side of the top of the base, a cross arm sleeved on the outside of the support rod, one end of the cross arm being connected to the support rod via an adjustment mechanism, a connecting rod penetrating the cross arm on one side of the top of the cross arm, a hardness tester threadedly connected to the lower end of the connecting rod via a connecting sleeve, a pin at the lower end of the hardness tester, a calibration button on one side of the top of the hardness tester, a pressure block connected to the top of the connecting rod, a cavity opened inside the cross arm, spring rods symmetrically arranged on the outside of the connecting rod inside the cavity, a top rod penetrating the top of the cross arm connected to the upper end of the spring rods, and a positioning component for limiting the position of the connecting rod on one side of the cross arm.

[0007] Furthermore, the adjustment mechanism includes sliding rods symmetrically arranged on both sides of the support rod and located within the cavity. A locking rod is symmetrically arranged between the two sliding rods, with both ends of the locking rod slidably sleeved on the outer side of the sliding rod. One end of each of the two sliding rods is movably connected to a fixed rod, and one end of both fixed rods is movably connected to a baffle. A push rod is connected to one side of the baffle, with one end extending beyond the crossarm. A spring is sleeved between the baffle and the inner wall of the cavity on the outer side of the push rod. The outer wall of the support rod has symmetrically formed slots adapted to the locking rods, and the cavity has corresponding notches on its inner wall. This adjustment mechanism allows for convenient and quick adjustment of the height of the crossarm as needed, making it easy to use and more practical.

[0008] Furthermore, the positioning component includes an insertion rod, which is disposed within the cavity and located in front of the connecting rod. A second baffle and a second spring are sleeved on the outer side of the insertion rod, with the second spring located away from the connecting rod. One end of the insertion rod is connected to a pull handle outside the cross arm. Several grooves adapted to the insertion rod are symmetrically opened on the outer wall of the connecting rod. The positioning component allows for the positioning and fixing of the hardness tester after adjustment of its angle position, so that even if it rotates due to accidental force or use, the surface of the hardness tester will always face the operator for easy observation.

[0009] Furthermore, the two fixed rods are arranged in a figure-eight shape, and the two ends of the fixed rods are respectively hinged to the slide rod and the baffle. The two ends of the spring are respectively fixedly connected to the baffle and the inner wall of the cavity, so as to transmit power and synchronously drive the two slide rods to move to the opposite side.

[0010] Furthermore, the end of the insert rod near the connecting rod is a hemispherical structure, the two ends of the spring are fixedly connected to the baffle and the inner wall of the cavity, respectively, and the rail groove has an arc-shaped cross-section, which serves to limit and guide the connecting rod.

[0011] Furthermore, the top of the base is provided with a connecting groove that matches the support rod. The inner wall of the connecting groove and the outer wall of the lower end of the support rod are respectively provided with internal and external threads that match each other, so as to disassemble the support rod and disassemble it for storage when not in use, thereby reducing the space occupied.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This utility model, through the adjustment mechanism, can push the push rod to drive the baffle, which in turn causes the fixed rod to push the connected slide rod to move to the opposite side, so that the slide rod moves out of the slot. Then the sliding arm can slide on the support rod. After it is lowered and moved to the appropriate position, the force applied to the push rod can be released, so that the slide rod is reset under the elastic force of the spring and locked into the corresponding slot, thereby fixing the cross arm and completing the adjustment. It is convenient to use and more practical.

[0014] 2. This utility model uses a positioning component to conveniently limit and guide the connecting rod, preventing accidental force from causing the hardness tester to rotate, and making it convenient for workers to observe. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the structure of this utility model;

[0018] Figure 4 This is a schematic diagram of the structure of this utility model.

[0019] The following are the labels in the diagram: 1. Base; 2. Platform; 3. Support rod; 4. Cross arm; 5. Connecting rod; 6. Pressure block; 7. Hardness tester; 8. Top rod; 9. Spring rod; 10. Slide rod; 11. Locking rod; 12. Baffle 1; 13. Fixing rod; 14. Push rod; 15. Spring 1; 16. Notch; 17. Slot; 18. Insert rod; 19. Baffle 2; 20. Spring 2; 21. Rail groove; 22. Cavity. 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] Example: Figure 1 one Figure 4 As shown, this utility model provides a technical solution: a hardness tester calibration device with adjustable function, including a base 1, a platform 2 embedded on one side of the top of the base 1, a support rod 3 connected to the other side of the top of the base 1, a cross arm 4 sleeved on the outside of the support rod 3, and one end of the cross arm 4 connected to the support rod 3 through an adjustment mechanism, a connecting rod 5 penetrating the cross arm 4 on one side of the top, and a hardness tester 7 threadedly connected to the lower end of the connecting rod 5 through a connecting sleeve, and a pin at the lower end of the hardness tester 7, and a calibration button on one side of the top of the hardness tester 7, a pressure block 6 connected to the top of the connecting rod 5, a cavity 22 opened in the cross arm 4, and spring rods 9 symmetrically arranged on the outside of the connecting rod 5 in the cavity 22, and a top rod 8 penetrating the top of the cross arm 4 connected to the upper end of the spring rods 9, and a positioning component for limiting the position of the connecting rod 5 on one side of the cross arm 4. In this example, the adjustment mechanism includes slide rods 10, which are symmetrically arranged on both sides of the support rod 3 and located inside the cavity 22. A locking rod 11 is symmetrically arranged between the two slide rods 10, with both ends of the locking rod 11 slidably sleeved on the outside of the slide rods 10. One end of each of the two slide rods 10 is movably connected to a fixed rod 13, and one end of the two fixed rods 13 is movably connected to a baffle 12. A push rod 14 is connected to one side of the baffle 12, and one end of the push rod 14 extends outside the cross arm 4. A spring 15 is sleeved between the baffle 12 and the inner wall of the cavity 22 on the outer side of the push rod 14. The outer wall of the support rod 3 is symmetrically provided with slots 17 that fit the locking rods 11, and the inner wall of the cavity 22 is correspondingly provided with notches 16. This adjustment mechanism allows for convenient and quick adjustment of the height of the cross arm 4 as needed, making it easy to use and more practical. In this example, the two fixed rods 13 are arranged in a figure-eight shape, and the two ends of the fixed rods 13 are hinged to the slide rod 10 and the baffle 12 respectively. The two ends of the spring 15 are fixedly connected to the baffle 12 and the inner wall of the cavity 22 respectively, so as to transmit power and drive the two slide rods 10 to move to the opposite side.

[0022] In this example, the positioning component includes a rod 18, which is disposed within the cavity 22 and located in front of the connecting rod 5. A second baffle 19 and a second spring 20 are fitted around the outside of the rod 18, with the second spring 20 located away from the connecting rod 5. One end of the rod 18 is connected to a handle outside the cross arm 4. Several grooves 21, adapted to the rod 18, are symmetrically formed on the outer wall of the connecting rod 5. The positioning component allows for the positioning and fixing of the hardness tester 7 after adjustment of its angle, ensuring that the surface of the hardness tester 7 always faces the operator during observation in case of accidental force or rotation during use. In this example, the end of the rod 18 near the connecting rod 5 has a hemispherical structure. The two ends of the second spring 20 are fixedly connected to the second baffle 19 and the inner wall of the cavity 22, respectively. The grooves 21 have an arc-shaped cross-section, serving to limit and guide the connecting rod 5. In this example, the top of the base 1 is provided with a connecting groove that is compatible with the support rod 3. The inner wall of the connecting groove and the outer wall of the lower end of the support rod 3 are respectively provided with internal threads and external threads that are compatible with each other, so as to disassemble the support rod 3 and disassemble it for storage when not in use, thereby reducing the space occupied.

[0023] The working principle of this utility model is as follows: When it is necessary to adjust the height of the cross arm 4, one end of the push rod 14 can be pushed to move the connected baffle 12. At the same time, the baffle 12 will stretch the spring 15 and push the two fixed rods 13, causing them to push the sliding rod 10 connected to it to slide along the locking rod 11 in a relatively outward direction. This allows the two locking rods 11 to move out of the locking slot 17 and into the notch 16. Then, the cross arm 4 can be slid up and down as needed. After adjusting it to the appropriate position, the force applied to the push rod 14 is released, causing the baffle 12 to reset under the elastic force of the spring 15. The baffle 12 will then drive the fixed rod 13 to pull the locking rods 11 back to their original position, causing the two locking rods 11 to move out of the notch 16 and into the corresponding locking slot 17. This completes the restriction and fixation of the cross arm 4 and the adjustment of its position. Then, if needed... Adjusting the angle of the hardness tester 7 allows the pull handle to move the insertion rod 18. Simultaneously, the insertion rod 18 causes the baffle 19 to compress the spring 20, moving one end of the insertion rod 18 out of the rail groove 21. Then, rotating the pressure block 6 rotates the connecting rod 5 and the hardness tester 7 to adjust them to the appropriate angle. Releasing the force on the pull handle allows the baffle 19 to be pushed back to its original position by the spring force of the spring 20, inserting one end of the insertion rod 18 into the corresponding rail groove 21. This horizontally limits and fixes the connecting rod 5, preventing accidental contact or rotation during use that could alter its angle. This method is convenient. After adjustment, the object to be tested can be placed on the stage 2. Adjusting the height of the horizontal arm 4 according to the steps described above, and then pressing down the pressure block 6, allows the pin of the hardness tester 7 to touch the object, enabling data observation. The hardness tester can be calibrated using the button. This method is convenient and highly practical.

[0024] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A hardness tester calibration device with adjustment function, comprising a base (1), characterized in that: The base (1) has a platform (2) embedded on one side of its top, and a support rod (3) is connected to the other side of its top. A cross arm (4) is sleeved on the outside of the support rod (3), and one end of the cross arm (4) is connected to the support rod (3) through an adjustment mechanism. A connecting rod (5) is provided on the top of one side of the cross arm (4), and a hardness tester (7) is connected to the lower end of the connecting rod (5) through a connecting sleeve thread. A pin is provided at the lower end of the hardness tester (7). A calibration button is provided on one side of the top of the hardness tester (7). A pressure block (6) is connected to the top of the connecting rod (5). A cavity (22) is opened in the cross arm (4). Spring rods (9) are symmetrically arranged on the outside of the connecting rod (5) in the cavity (22), and a top rod (8) is connected to the upper end of the spring rod (9) through the top of the cross arm (4). A positioning component for limiting the connecting rod (5) is provided on one side of the cross arm (4).

2. The hardness tester calibration device with adjustment function according to claim 1, characterized in that: The adjustment mechanism includes a slide rod (10), which is symmetrically arranged on both sides of the support rod (3) and located in the cavity (22). A locking rod (11) is symmetrically arranged between the two slide rods (10), and the two ends of the locking rod (11) are respectively slidably sleeved on the outside of the slide rod (10). One end of each of the two slide rods (10) is movably connected to a fixed rod (13). One end of the two fixed rods (13) is movably connected to a baffle (12). One side of the baffle (12) is connected to a push rod (14), and one end of the push rod (14) extends to the outside of the cross arm (4). A spring (15) is sleeved between the baffle (12) and the inner wall of the cavity (22) on the outside of the push rod (14). The outer wall of the support rod (3) is symmetrically provided with a slot (17) that matches the locking rod (11), and the cavity (22) is provided with a notch (16) on its inner wall.

3. The hardness tester calibration device with adjustment function according to claim 1, characterized in that: The positioning component includes a plug rod (18), which is disposed in the cavity (22) and located in front of the connecting rod (5). A second baffle (19) and a second spring (20) are sleeved on the outside of the plug rod (18), and the second spring (20) is located on the side away from the connecting rod (5). One end of the plug rod (18) is connected to a pull handle outside the cross arm (4). Several grooves (21) adapted to the plug rod (18) are symmetrically opened on the outer wall of the connecting rod (5).

4. The hardness tester calibration device with adjustment function according to claim 2, characterized in that: The two fixing rods (13) are arranged in a figure-eight shape, and the two ends of the fixing rods (13) are hinged to the slide rod (10) and the baffle (12) respectively. The two ends of the spring (15) are fixedly connected to the baffle (12) and the inner wall of the cavity (22) respectively.

5. The hardness tester calibration device with adjustment function according to claim 3, characterized in that: The insertion rod (18) has a hemispherical structure at one end near the connecting rod (5), the two ends of the spring (20) are fixedly connected to the baffle (19) and the inner wall of the cavity (22) respectively, and the rail groove (21) has a circular arc cross section.

6. The hardness tester calibration device with adjustment function according to claim 2, characterized in that: The base (1) has a connecting groove at the top that is adapted to the support rod (3). The inner wall of the connecting groove and the outer wall of the lower end of the support rod (3) are respectively provided with internal threads and external threads that are adapted to each other.

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