Half-split nut quick to mount and demount
A half-nut and split-half technology, which is applied in the direction of nuts, threaded fasteners, connecting components, etc., can solve problems such as idling, and achieve the effects of avoiding idling travel, fast locking, and reducing occupancy
Inactive Publication Date: 2017-12-29
XIANGYANG WU ER WU PUMP IND
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Problems solved by technology
[0003] The purpose of the present invention is to solve the problem that the traditional nut must travel for a certain distance before being locked with the stud, and to provide a half-type fast loading and unloading nut
Method used
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[0021] A half-type fast loading and unloading nut of the present invention, such as figure 1 , 2 As shown, it includes half nut 1, locking slider 2, locking screw 3, half spring 4, axial spring 5, nut body 6 and nut cover 7;
[0022] The half-nut 1 is a two-half-ring sub-part structure formed by axially cutting a frustum-shaped assembly with a threaded hole in the center. The junction of the two semi-ring parts is symmetrically provided with a spring installation groove. The half-nut 1 The internal thread of the threaded hole in the center of the assembly matches the external thread of the stud to be connected;
[0023] The junction of the two semi-annular parts of the sub-half nut 1 is matched by an axially extending step surface, which plays a guiding role when the two semi-annular parts are tightly hugged;
[0024] The center of the locking slider 2 has a frustum-shaped through hole matching the shape of the half nut 1, and the outer wall of the locking slider 2 is a cyli...
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The invention belongs to the field of fasteners and relates to a half-split nut quick to mount and demount. The half-split nut comprises a half-split nut body, a locking slider, locking screws, half-split springs, an axial spring, a nut body and a nut seal cover. The half-split nut body consists of two semicircular split structures formed by axial cutting of a conical frustum shaped integral part with a central threaded hole, the locking slider externally sleeves the half-split nut body, the half-split nut body is axially limited through the nut seal cover at the upper end of the nut body, and the locking screws are screwed into locking screw holes of the nut seal cover. Before screwing, the locking screws are rotated to move upwards, the locking slider moves upwards under the action of the axial spring, and the two semicircular split structures of the half-split nut body are popped outwards under the action of the half-split springs. After the nut quick to mount and demount directly slides to a to-be-tightened part of a stud, the locking screws are rotated to down press the locking slider, the locking slider extrudes the two split structures of the half-split nut body to close inwards through a conical surface and extrudes the half-split springs to enable quick locking of the tightened half-split nut body and a to-be-connected stud.
Description
technical field [0001] The invention relates to a half-type fast loading and unloading nut, which belongs to the field of fasteners. Background technique [0002] When the nut is tightened on the stud, there will inevitably be a section of empty travel. That is, when the nut does not reach the final position to be tightened, the nut needs to be twisted on the non-locking (working) part of the front end of the stud by hand or tools, so that the nut runs along the axial direction of the stud and reaches the position to be locked . When the thread idling stroke at the front end of the stud is long or the pitch is small, the idling stroke before this section of locking will waste a lot of time, resulting in a huge occupancy of personnel or tools. Contents of the invention [0003] The purpose of the present invention is to solve the problem that the traditional nut must travel a certain distance before being locked with the stud, and to provide a half-type fast loading and u...
Claims
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IPC IPC(8): F16B37/08
CPCF16B37/0892
Inventor 李家虎史浩杜金辉汪娇
Owner XIANGYANG WU ER WU PUMP IND