Rubber brittleness temperature tester
By introducing a half-box cover and flip-board structure into the rubber brittle temperature tester, the motor-driven worm gear and worm system is used to achieve closed soaking of rubber samples, which solves the problem of pollutant entry caused by the inability to close the test box cover, and improves the test accuracy and device reliability.
Patent Information
- Application Number
- CN202421790660.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-07-26
AI Technical Summary
During the testing process, the test box cover cannot be closed, causing external pollutants to enter and affect the accuracy of the test.
A rubber brittle temperature tester was designed. By setting a half-box cover and a flip-board structure on the top of the test box, the motor drives the worm gear and worm system and the bidirectional screw to drive the half-box cover to move simultaneously, thereby realizing the closed soaking test of the rubber sample in low-temperature alcohol.
The low-temperature brittleness test of rubber samples is realized in a relatively closed environment, which improves the test accuracy and enhances the reliability of the device's use.
Smart Images
Figure CN223259623U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rubber brittleness temperature testers, in particular to a rubber brittleness temperature tester. Background Art
[0002] When using the common rubber brittle temperature tester on the market today, it is necessary to first open the lid of the test box, and then use the electric telescopic rod to drive the clamp holding the rubber sample to move downward and immerse it in the low-temperature alcohol in the test box to perform a low-temperature brittleness test. However, during the test, the lid of the test box is blocked by the electric telescopic rod and cannot be closed, which makes it easy for external contaminants to enter the test box during the test, thereby affecting the test accuracy. In response to the above situation, technical innovation is carried out based on the existing rubber brittle temperature tester. Utility Model Content
[0003] The purpose of the utility model is to provide a rubber brittleness temperature tester to solve the problems raised in the above background technology.
[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a rubber brittle temperature tester, comprising:
[0005] A rubber brittle temperature tester is provided, wherein two groups of half-width box covers are evenly placed on the top of the test box of the rubber brittle temperature tester, a group of second mounting seats are provided on the top of the inner side walls of the two groups of half-width box covers, a connecting column is placed between the two groups of half-width box covers, two groups of first mounting seats are evenly provided on the top of the connecting column, and a flap is provided between the first mounting seat and the second mounting seat via a rotating shaft.
[0006] Preferably, a mounting groove is provided at the bottom of the connecting column, a small manual flat-nose pliers is placed at the bottom of the connecting column, a connecting rod is provided at the top of the small manual flat-nose pliers, and the connecting rod is inserted into the mounting groove.
[0007] Preferably, a threaded hole is provided on the front side of the connecting rod, and a through hole is provided on the front side of the connecting column, the through hole is connected to the mounting slot, a hand bolt is provided in the through hole, the hand bolt is screwed to the threaded hole, a test port is provided through the top of the test box of the rubber brittle temperature tester, and the small manual flat-nose pliers is located above the test port.
[0008] Preferably, two groups of support plates are evenly arranged on the top of the test box of the rubber brittle temperature tester, the two groups of half-width box covers are located between the two groups of support plates, the top of the half-width box covers are provided with internal threaded sliders, and the right sides of the two groups of half-width box covers are penetrated with mounting holes, and two groups of bidirectional screw rods are arranged in the two groups of mounting holes, and the two groups of internal threaded sliders are evenly screwed to the outer side walls of the bidirectional screw rods.
[0009] Preferably, the right side of the bidirectional screw passes through the two groups of support plates and is located on the right side of the right support plate, and is connected to a worm wheel, the front side of the worm wheel is engaged with a worm, a motor is provided at the bottom of the worm, and a rotating shaft sleeve is sleeved on the outer side wall of the worm, and the motor and the rotating shaft sleeve are both provided in the two groups of support plates and are located on the right side of the right support plate.
[0010] Preferably, a group of grooves are opened on the front and rear sides of the bottom of the half-width box cover, and two groups of guide grooves are evenly opened on the top of the test box of the rubber brittle temperature tester. Rollers are arranged in the grooves, and the rollers are evenly arranged in the guide grooves.
[0011] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0012] The utility model drives two sets of half-width box covers to move inward synchronously through a motor. At this time, the flap will flip downward under the influence of gravity, thereby driving the rubber sample to move downward synchronously. When the two sets of half-width box covers are merged, the rubber sample is now located in the test box of the rubber brittle temperature tester and immersed in the low-temperature alcohol in the box to perform a low-temperature brittleness test. In this way, the test can be carried out in a relatively closed environment, thereby ensuring the test accuracy.
[0013] By utilizing the self-locking property of the worm gear, the stability of the up and down movement of the connecting column can be ensured, thereby improving the reliability of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a structural diagram of a rubber brittle temperature tester of the present utility model;
[0015] Figure 2 This is a front cross-sectional view of a rubber brittle temperature tester according to the present invention;
[0016] Figure 3 This is a partial sectional view of the left side of a rubber brittle temperature tester of the present invention.
[0017] In the figure: 1. Rubber brittle temperature tester; 11. Half-width box cover; 12. Bidirectional screw; 13. Internal thread slider; 14. Worm gear; 15. Support plate; 16. Motor; 17. Worm; 18. Rotating shaft sleeve; 2. Connecting column; 21. First mounting seat; 22. Second mounting seat; 23. Flap; 24. Connecting rod; 25. Hand-tightening bolt; 26. Small manual flat-nose pliers; 3. Roller. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0019] See also Figure 1-Figure 3A rubber brittle temperature tester includes a rubber brittle temperature tester 1. Two groups of half-width box covers 11 are evenly placed on the top of the test box of the rubber brittle temperature tester 1. A group of second mounting seats 22 are fixedly arranged on the top of the inner walls of the two groups of half-width box covers 11. A connecting column 2 is placed between the two groups of half-width box covers 11. Two groups of first mounting seats 21 are evenly fixed on the top of the connecting column 2. A flap 23 is arranged between the first mounting seat 21 and the second mounting seat 22 via a rotating shaft. A mounting groove is provided at the bottom of the connecting column 2. A small manual flat-nose pliers 26 is placed at the bottom of the connecting column 2. A connecting rod 24 is fixed on the top of the small manual flat-nose pliers 26. The connecting rod 24 is inserted into the mounting groove. A threaded hole is provided on the front side of the connecting rod 24 for connection. A through hole is provided on the front side of the column 2, which is connected to the mounting groove, and a hand-tightening bolt 25 is rotatably provided in the through hole, and the hand-tightening bolt 25 is screwed into the threaded hole. A test port is provided on the top of the test box of the rubber brittle temperature tester 1, and a small manual flat-nose pliers 26 is located above the test port. The rubber sample is clamped and fixed by the small manual flat-nose pliers 26, and the connecting rod 24 is inserted into the mounting groove, and the hand-tightening bolt 25 is screwed into the through hole and the threaded hole to fix the connecting rod 24, thereby fixing the small manual flat-nose pliers 26 under the connecting column 2. When the two groups of half-width box covers 11 move inward synchronously, the flap 23 will flip downward due to its own gravity and the gravity of the connecting column 2 and the small manual flat-nose pliers 26, thereby driving the connecting column 2 and the connected column 2 The rubber sample fixed by the small manual flat-nose pliers 26 at the bottom moves downward synchronously. When the two groups of half-width box covers 11 are merged, the rubber sample is now located in the test box of the rubber brittle temperature tester 1 and immersed in the low-temperature alcohol in the box for low-temperature brittleness test. Two groups of support plates 15 are evenly fixed on the top of the test box of the rubber brittle temperature tester 1. The two groups of half-width box covers 11 are located between the two groups of support plates 15. An internal threaded slider 13 is fixed on the top of the half-width box cover 11. Mounting holes are opened on the right side of the two groups of half-width box covers 11. Bidirectional screw rods 12 are rotatably set in the two groups of mounting holes. The two groups of internal threaded sliders 13 are evenly screwed to the outer wall of the bidirectional screw rod 12. The right side of the bidirectional screw rod 12 passes through the two groups of support plates 15 and is located on the right support plate 1 5, and is connected to the right side of the worm gear 14, the front side of the worm gear 14 is engaged with a worm 17, the bottom of the worm 17 is fixedly provided with a motor 16, the outer side wall of the worm 17 is sleeved with a rotating shaft sleeve 18, the motor 16 and the rotating shaft sleeve 18 are fixedly provided in the two groups of support plates 15, located on the right side of the right support plate 15, a group of grooves are provided on the front and back sides of the bottom of the half-width box cover 11, and two groups of guide grooves are evenly provided on the top of the test box of the rubber brittle temperature tester 1, and rollers 3 are rotated in the grooves. The rollers 3 are evenly rolled in the guide grooves, and the worm 17 is driven to rotate by the motor 16, and then the bidirectional screw 12 is driven to rotate through the worm gear 14, and the bidirectional screw 12 drives the two groups of half-width box covers 11 to move inward synchronously through two groups of internal threaded sliders 13.The roller 3 assists the half-width box cover 11 to move stably.
[0020] Working principle: The motor 16 drives the worm 17 to rotate, and then drives the bidirectional screw 12 to rotate through the worm gear 14. The bidirectional screw 12 drives the two sets of half-width box covers 11 to move inward synchronously through two sets of internal thread sliders 13. The roller 3 assists the half-width box covers 11 to move stably. The rubber sample is clamped and fixed by a small manual flat-nose pliers 26. The connecting rod 24 is inserted into the installation groove. The hand-tightening bolt 25 is screwed into the through hole and the threaded hole to fix the connecting rod 24. In this way, the small manual The flat-nose pliers 26 are fixed under the connecting column 2. When the two sets of half-width box covers 11 move inward synchronously, the flap 23 will flip downward due to its own gravity and the gravity of the connecting column 2 and the small manual flat-nose pliers 26, thereby driving the connecting column 2 and the rubber sample fixed by the small manual flat-nose pliers 26 at the bottom of the connecting column 2 to move downward synchronously. When the two sets of half-width box covers 11 are merged, the rubber sample is now located in the test box of the rubber brittle temperature tester 1 and immersed in the low-temperature alcohol in the box for low-temperature brittleness test.
Claims
1. A rubber brittle temperature tester, characterized in that: include: A rubber brittle temperature tester (1) is provided. Two groups of half-width box covers (11) are evenly arranged on the top of a test box of the rubber brittle temperature tester (1). A group of second mounting seats (22) are provided on the top of the inner side walls of the two groups of half-width box covers (11). A connecting column (2) is provided between the two groups of half-width box covers (11). Two groups of first mounting seats (21) are evenly arranged on the top of the connecting column (2). A flap (23) is provided between the first mounting seat (21) and the second mounting seat (22) via a rotating shaft.
2. A rubber brittle temperature tester according to claim 1, characterized in that: A mounting groove is provided at the bottom of the connecting column (2), a small manual flat-nose pliers (26) is placed at the bottom of the connecting column (2), a connecting rod (24) is provided at the top of the small manual flat-nose pliers (26), and the connecting rod (24) is inserted into the mounting groove.
3. A rubber brittle temperature tester according to claim 2, characterized in that: A threaded hole is provided on the front side of the connecting rod (24), a through hole is provided on the front side of the connecting column (2), the through hole is connected to the mounting slot, a hand-tightening bolt (25) is provided in the through hole, the hand-tightening bolt (25) is screwed to the threaded hole, a test port is provided through the top of the test box of the rubber brittle temperature tester (1), and the small manual flat-nose pliers (26) are located above the test port.
4. The rubber brittle temperature tester according to claim 1, characterized in that: Two groups of support plates (15) are evenly arranged on the top of the test box of the rubber brittle temperature tester (1), and the two groups of half-width box covers (11) are located between the two groups of support plates (15). An internal threaded slider (13) is arranged on the top of the half-width box covers (11). The right sides of the two groups of half-width box covers (11) are penetrated by mounting holes, and two groups of bidirectional screw rods (12) are arranged in the two groups of mounting holes. The two groups of internal threaded sliders (13) are evenly screwed to the outer side walls of the bidirectional screw rod (12).
5. The rubber brittle temperature tester according to claim 4, characterized in that: The right side of the bidirectional screw (12) passes through the two groups of support plates (15) and is located on the right side of the right support plate (15), and is connected to a worm wheel (14). The front side of the worm wheel (14) is meshed with a worm (17). The bottom of the worm (17) is provided with a motor (16). The outer side wall of the worm (17) is sleeved with a rotating shaft sleeve (18). The motor (16) and the rotating shaft sleeve (18) are both provided in the two groups of support plates (15) and are located on the right side of the right support plate (15).
6. The rubber brittle temperature tester according to claim 1, characterized in that: A group of grooves are provided on both the front and rear sides of the bottom of the half-width box cover (11); two groups of guide grooves are evenly provided on the top of the test box of the rubber brittle temperature tester (1); rollers (3) are provided in the grooves; and the rollers (3) are evenly provided in the guide grooves.