Hardmeter with multifunctional workpiece seat
By setting grooves and multi-function support components in the hemispherical seat of the hardness meter, the spherical and circular workpiece problems that the existing hardness meter cannot be fixed are solved, and multi-angle fixation and height adjustment are achieved, which improves the convenience and accuracy of hardness testing.
Patent Information
- Application Number
- CN202421780817.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-07-26
AI Technical Summary
The existing hardness meter workpiece seats cannot effectively fix spherical and circular workpieces, resulting in inconvenience in testing.
Grooves are provided in the hemispherical seat of the hardness meter, and are equipped with telescopic support components, workpiece fixing components and rotating components, including support sleeves, screws, hemispherical seats, rubber pads, limit rings, oblique gears, etc., to achieve multi-angle fixation and height adjustment of the workpiece.
It realizes stable fixation and height adjustment of workpieces of different shapes, improving the convenience and accuracy of hardness testing.
Smart Images

Figure CN223244248U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hardness testers, in particular to a hardness tester with a multifunctional workpiece seat. Background Art
[0002] A hardness tester is a hardness testing instrument. The first person to define the hardness of metal was Leo Murray, which indicates the ability of a material to resist a hard object pressing into its surface. It is one of the important performance indicators of metal materials. Generally, the higher the hardness, the better the wear resistance.
[0003] Currently, the workpiece seats on existing hardness testers are all simple metal seats or metal plates, which cannot fix spherical, round and other shaped workpieces. Therefore, a hardness tester with a multifunctional workpiece seat is proposed. By opening a groove in the hemispherical seat, it is convenient to place and fix the workpieces in the shape of round and spherical lamps. Summary of the Invention
[0004] In view of the problems in the prior art, the utility model provides a hardness tester with a multifunctional workpiece seat. By providing a groove in the hemispherical seat, it is convenient to place and fix the workpiece in the form of a round or spherical lamp.
[0005] The technical solution adopted by the utility model to solve the technical problem is a hardness tester with a multifunctional workpiece seat, comprising a hardness tester body, a first bevel gear, a connecting rod and a second bevel gear. A telescopic support assembly is provided at the inner bottom of the hardness tester body. The telescopic support assembly comprises a support sleeve fixed to the inner bottom of the hardness tester body by bolts. A screw is rotatably connected to the inside of the support sleeve through a bearing, and a support tube is sleeved on the top of the support sleeve.
[0006] A workpiece fixing assembly is provided at the top of the support tube, and the workpiece fixing assembly includes a hemispherical seat. A groove is opened on the top of the hemispherical seat, and a rubber pad is glued inside the groove. Fixing bolts are connected to both sides of the support sleeve through threaded grooves.
[0007] By adopting the above technical solution, the setting of the hemispherical seat is convenient for placing workpieces in shapes such as squares and rectangles. The groove is opened on the top of the hemispherical seat to facilitate the placement of workpieces in shapes such as rounds and spherical shapes.
[0008] The support tube is sleeved on the top of the support sleeve and can be retracted to facilitate adjustment of the workpiece height.
[0009] Specifically, an internal thread groove is opened inside the support tube, the top end of the screw rod is located inside the internal thread groove, and the bottom end of the support tube located inside the support sleeve is fixed with a limit ring by a bolt.
[0010] By adopting the above technical solution, the screw rod rotates through the internal thread groove to push the support tube to move up and down, and the limit ring can prevent the support tube from completely extending from the support sleeve.
[0011] Specifically, an adjustment assembly is provided on one side of the support sleeve, and the adjustment assembly includes a limiting tube welded to one side of the support sleeve. A connecting rod is sleeved through the inside of the limiting tube, and one end of the connecting rod is located on the outside of the support sleeve and is fixed with a rocker through a flat key.
[0012] Specifically, the end of the connecting rod away from the rocking plate is provided with a second bevel gear through a flat key fixing sleeve, and the fixing sleeve outside the screw rod is provided with a first bevel gear, and the first bevel gear and the second bevel gear are meshed.
[0013] Specifically, a rotating assembly is provided between the support tube and the hemispherical seat, and the rotating assembly includes a circular box body fixed to the top of the support tube by bolts, a column is rotatably connected to the inside of the circular box body through a bearing, and the hemispherical seat is fixed to the top of the column by bolts.
[0014] Specifically, a latch rod is sleeved on one side of the circular box body, a brake disc is fixedly sleeved on the outer side of the column, and slots are equidistantly provided on the outer side of the brake disc.
[0015] Beneficial effects of the utility model:
[0016] The utility model discloses a hardness tester with a multifunctional workpiece seat. The workpiece to be tested is placed on the hemispherical seat. The setting of the hemispherical seat is convenient for placing workpieces in shapes such as squares and rectangles. A groove is provided on the top of the hemispherical seat, and a rubber pad is glued inside the groove, which is convenient for placing round, spherical and other workpieces. The round, spherical and other workpieces placed in the groove can be fixed by rotating and tightening the fixing bolts.
[0017] The utility model discloses a hardness tester with a multifunctional workpiece seat. The connecting rod is rotated by holding the rocker. The connecting rod rotates through the second bevel gear and the first bevel gear to drive the screw rod to rotate. The screw rod rotates through the internal thread groove to push the support tube to move up and down, thereby adjusting the height of the hemispherical seat and the workpiece placed on the top of the hemispherical seat.
[0018] The utility model discloses a hardness tester with a multifunctional workpiece seat. By pulling the latch rod, the hemispherical seat can be rotated through the column, which facilitates the adjustment of the workpiece angle. The workpiece scheduling can be adjusted without loosening the fixing bolts. By inserting one end of the latch rod into the corresponding slot, the rotated column can be fixed by the brake disc. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0021] Figure 2This is a cross-sectional view of the telescopic support assembly of the present utility model;
[0022] Figure 3 This is a schematic diagram of the structure of the adjustment component of the utility model;
[0023] Figure 4 This is a schematic structural diagram of a workpiece fixing assembly of the present utility model;
[0024] Figure 5 This is a schematic diagram of the structure of the rotating assembly of the utility model;
[0025] In the figure: 1. Hardness tester body; 2. Telescopic support assembly; 201. Support sleeve; 202. Support tube; 203. Screw; 204. Internal thread groove; 205. Limiting ring; 206. First bevel gear; 3. Workpiece fixing assembly; 301. Hemispherical seat; 302. Groove; 303. Rubber pad; 304. Fixing bolt; 4. Adjusting assembly; 401. Limiting tube; 402. Connecting rod; 403. Rocker; 404. Second bevel gear; 5. Rotating assembly; 501. Round box; 502. Column; 503. Latch rod; 504. Brake disc; 505. Slot. DETAILED DESCRIPTION
[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.
[0027] By opening a groove in the hemispherical seat, it is convenient to place and fix the workpiece formed by round and spherical lamps, such as Figure 1-5 As shown, the hardness tester with a multifunctional workpiece seat described in the present invention includes a hardness tester body 1, a first bevel gear 206, a connecting rod 402 and a second bevel gear 404. The bottom of the hardness tester body 1 is provided with a telescopic support assembly 2. The telescopic support assembly 2 includes a support sleeve 201 fixed to the bottom of the hardness tester body 1 by bolts. A screw rod 203 is rotatably connected to the support sleeve 201 through a bearing. A support tube 202 is sleeved on the top of the support sleeve 201.
[0028] A workpiece fixing assembly 3 is provided at the top of the support tube 202, and the workpiece fixing assembly 3 includes a hemispherical seat 301. A groove 302 is opened on the top of the hemispherical seat 301, and a rubber pad 303 is glued inside the groove 302. The two sides of the support sleeve 201 are connected with fixing bolts 304 through threaded grooves.
[0029] When in use, the setting of the hemispherical seat 301 is convenient for placing workpieces in shapes such as squares and rectangles. The top of the hemispherical seat 301 is provided with a groove 302, which is convenient for placing workpieces in shapes such as rounds and spherical shapes.
[0030] The support tube 202 is sleeved on the top of the support sleeve 201 and can be extended and retracted to facilitate adjustment of the height of the workpiece.
[0031] For example, Figure 2 As shown, the present invention also includes that an internal thread groove 204 is opened inside the support tube 202, the top end of the screw rod 203 is located inside the internal thread groove 204, and the bottom end of the support tube 202 located inside the support sleeve 201 is fixed with a limiting ring 205 by bolts.
[0032] During use, the screw rod 203 rotates through the internal thread groove 204 to push the support tube 202 to move up and down, and the limiting ring 205 can prevent the support tube 202 from completely extending from the support sleeve 201.
[0033] For example, Figure 3 As shown, the utility model also includes that an adjustment component 4 is provided on one side of the support sleeve 201, and the adjustment component 4 includes a limiting tube 401 welded to one side of the support sleeve 201, and a connecting rod 402 is sleeved through the inside of the limiting tube 401, and the end of the connecting rod 402 located on the outside of the support sleeve 201 is fixed with a rocker 403 through a flat key.
[0034] When in use, the setting of the rocker 403 makes it convenient for people to rotate the connecting rod 402.
[0035] For example, Figure 2 、 Figure 3 As shown, the utility model also includes that the end of the connecting rod 402 away from the rocker 403 is provided with a second bevel gear 404 through a flat key fixing sleeve, and the outer fixed sleeve of the screw rod 203 is provided with a first bevel gear 206, and the first bevel gear 206 and the second bevel gear 404 are meshed.
[0036] When in use, the connecting rod 402 rotates through the second bevel gear 404 and the first bevel gear 206 to drive the screw rod 203 to rotate.
[0037] For example, Figure 5 As shown, the present invention also includes a rotating assembly 5 provided between the support tube 202 and the hemispherical seat 301, the rotating assembly 5 includes a circular box body 501 fixed to the top of the support tube 202 by bolts, the circular box body 501 is rotatably connected to a column 502 via a bearing, and the hemispherical seat 301 is fixed to the top of the column 502 by bolts.
[0038] When in use, the column 502 is installed in the circular box body 501 through a bearing, so that the hemispherical seat 301 and the workpiece placed on top of it can rotate.
[0039] For example, Figure 5As shown, the present invention further includes: a latch rod 503 is sleeved on one side of the circular box body 501; a brake disc 504 is fixedly sleeved on the outer side of the column 502; and slots 505 are equidistantly provided on the outer side of the brake disc 504.
[0040] When in use, the latch rod 503 is inserted into the corresponding slot 505 to fix the rotated column 502 through the brake disc 504 .
[0041] When the utility model is in use, a person places the workpiece to be inspected on the hemispherical seat 301. The setting of the hemispherical seat 301 is convenient for placing workpieces of shapes such as squares and rectangles. A groove 302 is opened on the top of the hemispherical seat 301, and a rubber pad 303 is glued inside the groove 302, which is convenient for placing round, spherical and other workpieces. The fixing bolt 304 is turned and tightened to fix the round, spherical and other workpieces placed in the groove 302.
[0042] A person holds the rocker 403 and rotates the connecting rod 402. The connecting rod 402 rotates through the second bevel gear 404 and the first bevel gear 206 to drive the screw rod 203 to rotate. The screw rod 203 rotates through the internal thread groove 204 to push the support tube 202 up and down, thereby adjusting the height of the hemispherical seat 301 and the workpiece placed on top of it.
[0043] By pulling the latch rod 503, the hemispherical seat 301 can be rotated through the column 502, which is convenient for adjusting the angle of the workpiece. The workpiece scheduling can be adjusted without loosening the fixing bolt 304. By inserting one end of the latch rod 503 into the corresponding slot 505, the rotated column 502 can be fixed by the brake disc 504.
[0044] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.
Claims
1. A hardness tester with a multifunctional workpiece holder, characterized in that: The hardness tester comprises a hardness tester body (1), a first bevel gear (206), a connecting rod (402) and a second bevel gear (404); a telescopic support assembly (2) is provided at the bottom of the hardness tester body (1); the telescopic support assembly (2) comprises a support sleeve (201) fixed to the bottom of the hardness tester body (1) by bolts; a screw rod (203) is rotatably connected to the inside of the support sleeve (201) via a bearing; and a support tube (202) is sleeved on the top end of the support sleeve (201); A workpiece fixing assembly (3) is provided at the top of the support tube (202), and the workpiece fixing assembly (3) comprises a hemispherical seat (301). A groove (302) is provided at the top of the hemispherical seat (301), a rubber pad (303) is glued inside the groove (302), and fixing bolts (304) are connected to both sides of the support sleeve (201) through threaded grooves.
2. A hardness tester with a multifunctional workpiece holder according to claim 1, characterized in that: An internal thread groove (204) is provided inside the support tube (202), the top end of the screw rod (203) is located inside the internal thread groove (204), and the bottom end of the support tube (202) located inside the support sleeve (201) is fixed to a limiting ring (205) via bolts.
3. A hardness tester with a multifunctional workpiece holder according to claim 1, characterized in that: An adjustment assembly (4) is provided on one side of the support sleeve (201), and the adjustment assembly (4) comprises a position limiting tube (401) welded to one side of the support sleeve (201), a connecting rod (402) is provided through the interior of the position limiting tube (401), and a rocking plate (403) is provided on one end of the connecting rod (402) located outside the support sleeve (201) and fixed by a flat key.
4. A hardness tester with a multifunctional workpiece holder according to claim 1, characterized in that: One end of the connecting rod (402) away from the rocking plate (403) is provided with a second bevel gear (404) via a flat key fixing sleeve, and a first bevel gear (206) is provided on the outer fixing sleeve of the screw rod (203), and the first bevel gear (206) and the second bevel gear (404) are meshed.
5. A hardness tester with a multifunctional workpiece holder according to claim 1, characterized in that: A rotating assembly (5) is provided between the support tube (202) and the hemispherical seat (301), the rotating assembly (5) comprising a circular box body (501) fixed to the top of the support tube (202) by means of bolts, a column (502) being rotatably connected to the inside of the circular box body (501) via a bearing, and the hemispherical seat (301) being fixed to the top of the column (502) by means of bolts.
6. A hardness tester with a multifunctional workpiece holder according to claim 5, characterized in that: A latch rod (503) is sleeved on one side of the circular box body (501), a brake disc (504) is fixedly sleeved on the outside of the column (502), and slots (505) are equidistantly provided on the outside of the brake disc (504).