One-way bearing mechanism with adjustable direction
阅读说明：本技术 一种可调节方向的单向轴承机构 (One-way bearing mechanism with adjustable direction ) 是由 余修智 汤井华 于 2020-07-10 设计创作，主要内容包括：本发明公开了一种可调节方向的单向轴承机构,所述轴承外套的内部插接有滚珠楔块固定套,所述滚珠楔块固定套的底部开设有与滚珠相匹配的滚珠槽,所述滚珠楔块固定套的内部设有轴承内套,所述轴承内套的外部设有与滚珠相匹配的环形槽,所述滚珠楔块固定套的顶部开设有弹簧槽,所述弹簧槽的内部设有楔块弹簧,所述楔块弹簧的一端设有楔块。打开开关时,轴承外套与轴承内套相对运动为单向运动,反向抱死止停；按动开关以后,轴承外套与轴承内套反向抱死失效,可达到双向转动,摈弃现有技术中的缺点,既能单向转动反向抱死又能双向运动,可在两种模式下自由切换,这样最大限度的增加了轴承的使用场景。(The invention discloses a direction-adjustable one-way bearing mechanism, wherein a ball wedge fixing sleeve is inserted into a bearing outer sleeve, a ball groove matched with a ball is formed in the bottom of the ball wedge fixing sleeve, a bearing inner sleeve is arranged inside the ball wedge fixing sleeve, an annular groove matched with the ball is formed in the outer part of the bearing inner sleeve, a spring groove is formed in the top of the ball wedge fixing sleeve, a wedge spring is arranged inside the spring groove, and a wedge is arranged at one end of the wedge spring. When the switch is turned on, the relative motion of the bearing outer sleeve and the bearing inner sleeve is unidirectional, and the bearing outer sleeve and the bearing inner sleeve are locked and stopped in the reverse direction; after the switch is pressed, the bearing outer sleeve and the bearing inner sleeve are locked reversely and lose efficacy, so that bidirectional rotation can be achieved, the defects in the prior art are overcome, the bearing can rotate in a unidirectional mode and lock reversely and move in a bidirectional mode, and the bearing can be switched freely in two modes, so that the use scenes of the bearing are increased to the maximum extent.)
1. The utility model provides an one-way bearing mechanism of adjustable direction, includes ball shield (1), bearing shell (2), the fixed cover of ball voussoir (3), ball (4), bearing inner race (5), voussoir (6), voussoir spring (7), voussoir clamp plate (8) and switch (9), its characterized in that: the bearing is characterized in that a ball wedge fixing sleeve (3) is inserted into the bearing outer sleeve (2), a ball groove (10) matched with a ball (4) is formed in the bottom of the ball wedge fixing sleeve (3), a bearing inner sleeve (5) is arranged inside the ball wedge fixing sleeve (3), an annular groove matched with the ball (4) is formed in the outer portion of the bearing inner sleeve (5), a spring groove (11) is formed in the top of the ball wedge fixing sleeve (3), a wedge spring (7) is arranged inside the spring groove (11), a wedge block (6) is arranged at one end of the wedge spring (7), the wedge block (6) is located between the inner wall of the bearing outer sleeve (2) and the outer wall of the bearing inner sleeve (5), a wedge block pressing plate (8) is arranged at the top of the ball wedge fixing sleeve (3), and a switch (9) is inserted into the wedge block pressing plate (8), and a ball dustproof cover plate (1) is arranged at the bottom of the bearing outer sleeve (2).
2. An adjustable direction one way bearing mechanism as claimed in claim 1, wherein: wedge groove (12) have been seted up at the top of ball voussoir fixed cover (3), voussoir (6) are located the inside of wedge groove (12).
3. An adjustable direction one way bearing mechanism as claimed in claim 1, wherein: one side of the wedge block (6) is provided with a limiting groove (13), and one end of the wedge block spring (7) is positioned in the limiting groove (13).
4. An adjustable direction one way bearing mechanism as claimed in claim 1, wherein: the wedge block (6) is provided with a cam block structure in the shape.
5. An adjustable direction one way bearing mechanism as claimed in claim 2, wherein: the total length of the wedge block (6) is larger than the distance between the bearing outer sleeve (2) and the bearing inner sleeve (5), and the wedge block (6) is obliquely arranged in the wedge block groove (12).
6. An adjustable direction one way bearing mechanism as claimed in claim 1, wherein: the bottom of the switch (9) is provided with a wedge block spacer (14), and the wedge block spacer (14) and the switch (9) are arranged into an integrated structure.
7. An adjustable direction one way bearing mechanism as claimed in claim 6, wherein: six groups of wedges (6) and six groups of wedge separating sheets (14) are arranged, and the positions of the wedges (6) and the positions of the wedge separating sheets (14) are corresponding.
Technical Field
The invention belongs to the technical field of bearings, and particularly relates to a direction-adjustable one-way bearing mechanism.
Background
The existing common bearing can only rotate in two directions and cannot stop in one direction when needed; the existing one-way bearing can rotate in one direction and stop in the reverse direction, and can not rotate in the reverse direction when needed.
The existing bearing has the following two defects: 1. the common bearing rotates in two directions and cannot stop in one direction; 2. the one-way bearing can be stopped in one direction and cannot rotate in two directions under the required condition.
Disclosure of Invention
The present invention is directed to a unidirectional bearing mechanism with adjustable direction, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a unidirectional bearing mechanism with adjustable direction comprises a ball dustproof cover plate, a bearing outer sleeve, a ball wedge block fixing sleeve, a ball, a bearing inner sleeve, a wedge block spring, a wedge block pressing plate and a switch, a ball wedge fixing sleeve is inserted in the bearing outer sleeve, a ball groove matched with the ball is arranged at the bottom of the ball wedge fixing sleeve, the inside of the ball wedge block fixing sleeve is provided with a bearing inner sleeve, the outside of the bearing inner sleeve is provided with an annular groove matched with the ball, the top of the ball wedge fixing sleeve is provided with a spring groove, a wedge spring is arranged in the spring groove, one end of the wedge spring is provided with a wedge which is positioned between the inner wall of the bearing outer sleeve and the outer wall of the bearing inner sleeve, the top of the ball wedge fixing sleeve is provided with a wedge pressing plate, the inside of the wedge pressing plate is inserted with a switch, and the bottom of the bearing outer sleeve is provided with a ball dustproof cover plate.
Preferably, the top of the ball wedge fixing sleeve is provided with a wedge groove, and the wedge is located inside the wedge groove.
Preferably, one side of the wedge block is provided with a limiting groove, and one end of the wedge block spring is positioned in the limiting groove.
Preferably, the wedge is profiled to provide a cam block structure.
Preferably, the total length of the wedge block is larger than the distance between the bearing outer sleeve and the bearing inner sleeve, and the wedge block is obliquely arranged inside the wedge block groove.
Preferably, the bottom of the switch is provided with a wedge block spacer, and the wedge block spacer and the switch are arranged into an integrated structure.
Preferably, six groups of wedges and wedge separating sheets are arranged, and the wedges and the wedge separating sheets correspond to each other in position.
Preferably, the top of the switch is provided with a convex block, and the surface of the convex block is provided with anti-skid grains.
The invention has the technical effects and advantages that: compared with the prior art, the unidirectional bearing mechanism with the adjustable direction has the following advantages that:
the invention mainly comprises a bearing outer sleeve, a ball wedge block fixing sleeve, a wedge block spring, a switch and other parts, wherein when the switch is turned on, the relative motion of the bearing outer sleeve and the bearing inner sleeve is unidirectional, and the bearing outer sleeve and the bearing inner sleeve are locked and stopped in a reverse direction; after the switch is pressed, the bearing outer sleeve and the bearing inner sleeve are locked reversely and lose efficacy, so that bidirectional rotation can be achieved, the defects in the prior art are overcome, the bearing can rotate in a unidirectional mode and lock reversely and move in a bidirectional mode, and the bearing can be switched freely in two modes, so that the use scenes of the bearing are increased to the maximum extent.
Drawings
FIG. 1 is a schematic illustration of an explosive structure according to the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of the switch of the present invention in a pressed state;
FIG. 4 is a schematic view of the wedge of the present invention.
In the figure: 1. ball dustproof cover plate; 2. a bearing housing; 3. ball wedge fixing sleeves; 4. a ball bearing; 5. a bearing inner sleeve; 6. a wedge block; 7. a wedge spring; 8. a wedge pressing plate; 9. a switch; 10. a ball groove; 11. a spring slot; 12. a wedge groove; 13. a limiting groove; 14. a wedge spacer; 15. and (4) a convex block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a direction-adjustable one-way bearing mechanism as shown in figures 1-4, which comprises a ball dustproof cover plate 1, a bearing outer sleeve 2, a ball wedge fixing sleeve 3, a ball 4, a bearing inner sleeve 5, a wedge 6, a wedge spring 7, a wedge pressing plate 8 and a switch 9, wherein the form of the switch 9 is not limited to the pressing type provided by the application, and can be a screwing switch, a rotating switch and the like;
the bottom of the bearing outer sleeve 2 is provided with a ball dustproof cover plate 1 for limiting a ball wedge fixing sleeve 3, dust enters the bearing outer sleeve 2 in the same way, the inside of the bearing outer sleeve 2 is inserted with the ball wedge fixing sleeve 3, the bottom of the ball wedge fixing sleeve 3 is provided with a
the top of the ball wedge fixing sleeve 3 is provided with a spring groove 11 for placing a wedge spring 7, one end of the wedge spring 7 is provided with a wedge 6, one side of the wedge 6 is provided with a limit groove 13, and one end of the wedge spring 7 is positioned in the limit groove 13 and can limit the position between the wedge spring 7 and the wedge 6; the wedge block 6 is positioned between the inner wall of the bearing outer sleeve 2 and the outer wall of the bearing inner sleeve 5, a wedge block pressing plate 8 is arranged at the top of the ball wedge block fixing sleeve 3 and used for limiting the position of the wedge block 6, and the shape of the wedge block 6 is a cam block structure, so that the bearing inner sleeve 5 can be clamped;
the switch 9 is inserted in the wedge pressing plate 8, the bottom of the switch 9 is provided with a wedge separating sheet 14, the wedge separating sheet 14 and the switch 9 are arranged into an integrated structure, six groups of wedges 6 and six groups of wedge separating sheets 14 are arranged, the positions of the wedges 6 and the positions of the wedge separating sheets 14 are corresponding, a
the working principle is as follows: when the switch 9 is not pressed, the bearing outer sleeve 2 and the bearing inner sleeve 5 can only rotate in a single direction, the bearing outer sleeve and the bearing inner sleeve 5 can only be clamped and locked by the wedge block 6 during reverse rotation and can not rotate, the wedge block 6 is of a cam block structure, the total length is larger than the distance between the bearing outer sleeve 2 and the bearing inner sleeve 5, the wedge block is abutted by the wedge block spring 7 to be attached to the bearing outer sleeve 2 and the bearing inner sleeve 5 (figure 2), and the wedge block 6 can; after the switch 9 is pressed (fig. 3), the switch 9 pushes the wedge 6 open to form a gap with the bearing outer sleeve 2 and the bearing inner sleeve 5, so that the wedge 6 loses the locking state with the bearing outer sleeve 2 and the bearing inner sleeve 5, and the bearing outer sleeve 2 and the bearing inner sleeve 5 can freely rotate in two directions.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
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