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CN-115500329-B - Quick locking device

CN115500329BCN 115500329 BCN115500329 BCN 115500329BCN-115500329-B

Abstract

The application discloses quick locking device, including the main casing, retaining ring, keep the retainer and ball, retaining ring and keep the inner chamber that all is arranged in the main casing, retaining ring and main casing are connected, keep the center to be equipped with the main shaft mounting channel that holds the main shaft, the periphery is equipped with the ball mounting hole, the ball mounting hole switches on with main shaft mounting channel, the ball assembles in the ball mounting hole, the ball inboard is the main shaft, the outside is the retaining ring, have radial locking wedge angle and axial locking wedge angle to the ball on the retaining ring, the ball is locked with the device when retaining ring compresses tightly, the ball breaks away from the unlocking with the device when retaining ring. The retaining ring is provided with a radial locking wedge angle and an axial locking wedge angle, and the radial locking wedge angle and the axial locking wedge angle are matched with the balls to realize the radial and axial simultaneous locking and unlocking of the main shaft.

Inventors

  • ZHANG XUESHAN
  • WANG JINGHAI

Assignees

  • 威海海文户外用品有限公司

Dates

Publication Date
20260505
Application Date
20221018

Claims (9)

  1. 1. The quick locking device is characterized by comprising a main shell (5), a retaining ring (8), a retainer (2) and balls (10), wherein the retaining ring (8) and the retainer (2) are both positioned in an inner cavity of the main shell (5), the retaining ring (8) is connected with the main shell (5), a main shaft mounting channel (21) for accommodating a main shaft (1) is arranged in the center of the retainer (2), a ball mounting hole (22) is arranged on the periphery of the retainer, the ball mounting hole (22) is communicated with the main shaft mounting channel (21), the balls (10) are assembled in the ball mounting hole (22), the inner side of the balls (10) is a main shaft (1), the outer side of the balls is provided with a retaining ring (8), a radial locking wedge angle (85) and an axial locking wedge angle (84) which limit the balls (10), when the balls (10) are tightly pressed with the retaining ring (8), the balls (10) are unlocked when the balls (10) are separated from the retaining ring (8), the quick locking device also comprises a retainer shifting mechanism, the retainer shifting mechanism comprises a clamping sleeve (9), a push button (3), a push button (4) and a pressure head (12), and the push button (3) are fixedly arranged on the retaining ring (2), the cutting ferrule (9) and pull head (3) are equipped with round platform portion respectively, and round platform portion (32) and round platform portion (92) form wedge installation department (14) relatively, and button head (41) are wedge form, and button head (41) inserts wedge installation department (14), is equipped with pressure spring (12) between cutting ferrule (9) and keeper (2).
  2. 2. The quick locking device of claim 1, wherein the bottom of the inner cavity of the main shell (5) is provided with a clamping protrusion (52), the outer wall of the bottom of the retaining ring (8) is provided with a clamping groove (82), and the clamping protrusion (52) is matched with the clamping groove (82) to fix the retaining ring (8) with the main shell (5).
  3. 3. The quick locking device according to claim 1, wherein the pull head (3) is provided with an upper key guide groove (33), the clamping sleeve (9) is provided with a lower key guide groove (93), the upper end face and the lower end face of the key head (41) are respectively provided with an upper sliding block (43) and a lower sliding block (44), the upper sliding block (43) is arranged in the upper key guide groove (33), and the lower sliding block (44) is arranged in the lower key guide groove (93).
  4. 4. The quick locking device according to claim 1, wherein the side wall of the inner cavity of the main shell (5) is provided with a limiting groove (53), and the outer side wall of the clamping sleeve (9) is provided with a limiting protrusion (94) matched with the limiting groove (53).
  5. 5. The quick locking device according to claim 1, wherein a limiting convex strip (95) is arranged below the key lower guide groove (93) of the clamping sleeve (9), the clamping sleeve limiting through groove (55) is arranged on the main shell (5), and the limiting convex strip (95) is arranged in the clamping sleeve limiting through groove (55).
  6. 6. The quick locking device according to claim 1, wherein the key limiting through groove (54) is formed in the upper portion of the main casing (5), the key head (41) is inserted into the inner cavity of the main casing (5) from the key limiting through groove (54), and the key tail (42) is located outside the main casing (5).
  7. 7. The quick locking device according to any one of claims 1-6, characterized in that the lower end of the main housing (5) is connected to the outer cover (6), a thrust spring (7) is arranged between the main housing (5) and the outer cover (6), and the front end of the outer cover (6) is provided with a conical pressing part (61).
  8. 8. The quick lock device as claimed in claim 7, wherein the tapered pressing portion (61) is provided with anti-slip patterns (62) to increase friction.
  9. 9. The quick locking device as claimed in claim 8, wherein the outer wall of the main housing (5) is provided with a rib (56), and the rib (56) limits the upper end of the outer cover (6).

Description

Quick locking device Technical Field The invention relates to the field of locking, in particular to a quick locking device. Background Winding wires around a winding reel and storing wires by the winding reel are very common. In fishing, the fishing line on the winding disc is required to be wound on the fishing line wheel, and the line on the fishing line wheel is required to be wound back on the winding disc according to different types of the vertical fishing so as to replace the fishing line on the fishing line wheel. In the process of winding and unwinding the fish wire, the winding roll is required to be locked and fixed so as to keep the winding roll and the main shaft to rotate together, and the functions of winding and unwinding the fish wire are realized. In the prior art, the winding roll is locked on the main shaft by matching two positioning retaining sleeves with locking nuts, for example, the structure in Chinese patent CN 212414404U, wherein one positioning retaining sleeve is relatively fixed with the main shaft, and the other positioning retaining sleeve can move relative to the main shaft and is locked by using the locking nuts, so that the winding roll is fixed between the two positioning retaining sleeves. The structure has the following defects that (1) the lock nut is needed to be locked, the lock nut is convenient to disassemble and assemble from the main shaft, and especially the main shaft of the general winding device for the small winding roll and the large winding roll is long, and the lock nut is more laborious to operate. (2) In order to adapt to the lock nut, the main shaft needs to be provided with a threaded section, other components are assembled without threads, a single main shaft needs to be divided into a non-threaded section and a threaded section, and the processing is complex, or a double main shaft structure is adopted, one main shaft is not provided with threads, the main shaft is provided with threads, the two main shafts are connected to form the main shaft, and the double main shaft can influence the strength of the whole structure. Disclosure of Invention In order to solve the problems that in the prior art, the locking operation of a winding roll is troublesome, a spindle needs a thread section and the like, the application provides the quick locking device for the spindle, which is simple and convenient in locking operation and does not need the thread section. In order to achieve the above purpose, the technical scheme adopted by the application is as follows: The quick locking device comprises a main shell, a retaining ring, a retainer and balls, wherein the retaining ring and the retainer are both positioned in an inner cavity of the main shell, the retaining ring is connected with the main shell, a main shaft installation channel for accommodating a main shaft is arranged in the center of the retainer, a ball installation hole is formed in the periphery of the retainer, the ball installation hole is communicated with the main shaft installation channel, the balls are assembled in the ball installation hole, the inner side of each ball is a main shaft, the outer side of each ball is provided with a retaining ring, the retaining ring is provided with a radial locking wedge angle and an axial locking wedge angle for limiting the balls, the device is locked when the balls are pressed with the retaining ring, and the device is unlocked when the balls are separated from the retaining ring. As a preferred mode, the quick locking device further comprises a retainer shifting mechanism, the retainer shifting mechanism comprises a clamping sleeve, a pull head, a key and a pressure spring, the clamping sleeve and the pull head are sleeved on the retainer, the pull head is fixed with the retainer, the clamping sleeve and the pull head are respectively in round table parts, two round table parts form wedge-shaped installation parts relatively, the key head is in a wedge shape, the key head is inserted into the wedge-shaped installation parts, and the pressure spring is arranged between the clamping sleeve and the retainer. As a preferable mode, the pull head is provided with a key upper guide groove, the clamping sleeve is provided with a key lower guide groove, the upper end face and the lower end face of the key head are respectively provided with an upper sliding block and a lower sliding block, the upper sliding block is arranged in the key upper guide groove, and the lower sliding block is arranged in the key lower guide groove. As a preferable mode, a clamping protrusion is arranged at the bottom of the inner cavity of the main shell, a clamping groove is arranged on the outer wall of the bottom of the retaining ring, and the clamping protrusion is matched with the clamping groove to fix the retaining ring with the main shell. As a preferable mode, a limiting groove is formed in the side wall of the inner cavity of the main shell, and a limiting protrusion matc