Locking structure of thread connecting pair
A threaded connection and anti-loosening technology, applied in the direction of connecting components, threaded fasteners, screws, etc., can solve the problems of complex installation, inconvenient installation of cotter pins, cumbersome replacement of bolts, etc., to achieve good locking effect and occupied space. Small, compact and reasonable effect
Inactive Publication Date: 2013-02-13
无锡创明传动工程有限公司
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Problems solved by technology
The anti-loosening of slot nuts and cotter pins is not suitable for high-strength fasteners, and it is inconvenient to install cotter pins; the anti-loosening of round nuts and stop washers is more reliable, but requires a certain space; the screw head is connected in series with wires Anti-loosening is reliable, but the installation is more complicated, pay attention to the direction of the steel wire, and it is more cumbersome to replace the bolts
Method used
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Embodiment Construction
[0016] Below the present invention will be further described in conjunction with the embodiment in the accompanying drawing:
[0017] Such as Figure 1 ~ Figure 3 As shown, it includes nut 1, set screw 2, locking ring 3 and bolt 4.
[0018] One end of the nut 1 of the present invention is configured as a threaded structure, which is connected and fastened with the bolt 4; the other end is configured as a light hole with a seam structure. The locking ring 3 is put into the light hole with a spigot in the nut 1, and the nut 1 and the locking ring 3 are connected with the set screw 2. The function of the set screw 2 is to connect the fastening nut 1 and the locking ring 3. In order to facilitate disassembly, the tail of the set screw 2 has a word groove. The number of the set screws 2 can be determined as two, three or six according to the strength.
[0019] The tail of the bolt 4 should be processed with a groove so that the thin edge of the locking ring 3 can be embedded to ...
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The invention relates to a locking structure of a thread connecting pair. The locking structure comprises a nut, set screws, a locking ring and a bolt, wherein the locking ring is mounted in the nut; the nut is connected with the locking ring by using the set screws; the nut is in threaded connection and is fastened with the bolt; and the locking ring is embedded into a groove in the tail of the bolt and is tightly embedded for preventing the loosening. A thread is arranged at one end of the nut; and an unthreaded hole tape spigot is arranged at the other end of the nut. A linear groove is formed in the tail of each set screw. The locking structure disclosed by the invention has a compact and reasonable structure; the nut, the set screws and the bolt in the thread connecting pair can be used for multiple times, and only the locking ring is required to be replaced regularly; and the locking structure has the advantages of favorable locking effect, smaller occupied space, greater convenience for mounting and suitability for connecting and locking of greater thread connecting pairs.
Description
technical field [0001] The invention relates to an anti-loosening structure, in particular to an anti-loosening structure of a threaded connection pair, which is suitable for the connection of relatively large impact vibration loads or relatively high-speed mechanical moving parts, and belongs to the technical field of connecting parts in mechanical equipment. Background technique [0002] Threaded connection is the most basic connection method among all kinds of mechanical equipment, but threaded connection will often loosen during use, which will cause machine failure or even cause major accidents, so it is very important to take anti-loosening measures. The anti-loosening measures mainly include: frictional anti-loosening, mechanical anti-loosening and anti-loosening by destroying thread pairs. [0003] The most commonly used anti-loosening structures are: ① Spring washers, self-locking nuts, and counter nuts are frictional anti-loosening. Spring washers have poor anti-l...
Claims
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Inventor 李加锋万颖娜
Owner 无锡创明传动工程有限公司