CN110341571B

CN110341571B - One-way bearing assembly and mechanism, armrest box and cup stand with one-way bearing assembly

Info

Publication number: CN110341571B
Application number: CN201910693296.2A
Authority: CN
Inventors: 张俊玮
Original assignee: Shanghai Yanfeng Jinqiao Automotive Trim Systems Co Ltd
Current assignee: Shanghai Yanfeng Jinqiao Automotive Trim Systems Co Ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2021-12-03
Anticipated expiration: 2039-07-29
Also published as: CN110341571A

Abstract

The invention provides a one-way bearing assembly, comprising: a rotating ring; a fixed ring, the rotating ring being coaxially arranged with the fixed ring; a plurality of sprags disposed between the rotating ring and the fixed ring; the unlocking mechanism is arranged to enable the rotating ring to be switched between a locking state and an unlocking state under the driving of the switch; when the rotating ring is in a locked state, the rotating ring is rotatable in a first direction but not rotatable in a second direction opposite to the first direction; when the rotating ring is in the unlocked state, the rotating ring can rotate along both the first direction and the second direction. The invention also provides a hand box and a cup holder with the one-way bearing assembly. The one-way bearing assembly can be stopped at any required position through the one-way bearing, and can immediately respond to the requirement of a user to unlock the one-way bearing.

Description

One-way bearing assembly and mechanism, armrest box and cup stand with one-way bearing assembly

Technical Field

The invention relates to a bearing, a mechanism with the bearing, an armrest box and a cup stand, in particular to a one-way bearing assembly, a mechanism with the one-way bearing assembly, an armrest box and a cup stand.

Background

The automobile auxiliary instrument board can be provided with armrest assembly parts according to different configuration requirements, a comfortable placing position of elbows is provided for a driver or a passenger, a storage box is designed in the auxiliary instrument board, and the armrest has the function of overturning or sliding as a storage box cover so as to realize the opening and closing of the storage box. However, in general, for the flip armrest, most armrests can provide a support function only in a closed state, and cannot support a stress after being opened; most of the sliding armrests can only provide the elbow support for the passengers at the initial position and the end position of the sliding process, and some of the sliding armrests can provide a support position at the middle position of the sliding process, but the armrest support positions are less, and the habitual requirements of the passengers as many as possible cannot be met.

At present, along with the continuous improvement of customer's demand, several kinds of handrail pivot mechanisms that can adjust rotatory hand rest position in the upset process have also been introduced in the trade. For example, DE102006048107B4, DE102009031702a1, DE102011017083B4, WO2004018253a1, CN100509479C, CN102729861B, DE19904410C2, DE102006014822a1 and CN100519265C disclose armrest hinge mechanisms capable of adjusting the carrying position during the turning process, which all use one-way ratchets or ratchets to achieve the turning function. The principle of the rotating shaft mechanism is as follows: the armrest may be loaded unidirectionally in 3-4 or more positions before being flipped to a particular angle (e.g., 45 degrees) where the armrest may only be flipped in an open direction and not in a closed direction, thereby allowing the armrest to provide an adjustable, different load-bearing position to the occupant during flipping; when the armrest needs to be closed, the armrest can return to the closed position only by turning the armrest over more than a certain angle (e.g., 45 degrees). In the series of motion processes, other switch mechanisms are not needed, and the handrail only needs to be turned over.

However, since the rotating shaft mechanism of the conventional armrest needs to be turned over beyond a certain angle to be closed, some users cannot operate freely and cannot meet the requirements of the users in time, and the rotating shaft mechanism is limited by the number of the one-way ratchets, and can only provide limited position bearing, namely multi-stage bearing, in the turning angle of the armrest, so that the rotating shaft mechanism cannot be applied to more users to the maximum extent. And a certain abnormal sound is generated due to the intermittent meshing of the ratchets, and the abnormal sound needs to be eliminated by adding a buffer part.

Disclosure of Invention

In order to solve the problems existing in the prior art, the invention aims to provide a one-way bearing assembly, a mechanism with the one-way bearing assembly, an armrest box and a cup holder so as to realize the adjustment and bearing of any position of an armrest without any noise in the operation process.

In order to achieve the above object, the present invention provides a one-way bearing assembly comprising: a rotating ring; a fixed ring, the rotating ring being coaxially arranged with the fixed ring; a plurality of sprags disposed between the rotating ring and the fixed ring; the unlocking mechanism is arranged to enable the rotating ring to be switched between a locking state and an unlocking state under the driving of the switch; when the rotating ring is in a locked state, the rotating ring is rotatable in a first direction but not rotatable in a second direction opposite to the first direction; when the rotating ring is in the unlocked state, the rotating ring can rotate along both the first direction and the second direction.

The rotating ring switches between a locked state and an unlocked state in response to deflection of the plurality of sprags.

When the rotating ring is in a locking state, the wedge blocks are eccentrically tangent with the rotating ring and the fixing ring respectively to form a locking dead angle; when the rotating ring is in an unlocked state, a gap is formed between the wedge and at least one of the rotating ring and the fixed ring.

The unlocking mechanism includes an unlocking ring provided between the rotating ring and the fixed ring, the rotating ring being switched between a locked state and an unlocked state in response to rotation of the unlocking ring.

When the unlocking ring is arranged close to the rotating ring, the unlocking ring rotates along the first direction, so that the rotating ring is switched from a locking state to an unlocking state; when the unlocking ring is arranged close to the fixed ring, the unlocking ring rotates along the second direction, so that the rotating ring is switched from a locking state to an unlocking state.

The plurality of wedges deflect in response to rotation of the unlocking ring.

When the unlocking ring is arranged outside the rotating ring and is close to the rotating ring, the deflection direction of the wedge block is opposite to the rotating direction of the unlocking ring; when the unlocking ring is arranged outside the rotating ring and is close to the fixing ring, the deflection direction of the wedge block is the same as the rotating direction of the unlocking ring; when the unlocking ring is arranged inside the rotating ring and is close to the rotating ring, the deflection direction of the wedge block is the same as the rotating direction of the unlocking ring; when the unlocking ring is arranged inside the rotating ring and is close to the fixing ring, the deflection direction of the wedge block is opposite to the rotating direction of the unlocking ring.

The unlocking ring comprises a plurality of unlocking ribs on the same circular arc track.

The single unlocking rib is arranged between two adjacent wedges, and the unlocking rib pushes the wedges to deflect in response to the rotation of the unlocking ring.

The wedge block is provided with a stop surface and an unlocking surface which are arranged in a back-to-back mode, wherein the stop surface is tightly attached to the unlocking rib when the rotating ring is in a locking state, and the unlocking surface is tightly attached to the unlocking rib when the rotating ring is in an unlocking state.

The unlocking mechanism further comprises a rope or a pull rod, one end of the rope or the pull rod is connected with the unlocking ring, the other end of the rope or the pull rod is connected with the switch, and the unlocking ring rotates in response to the pulling of the rope or the pull rod, so that the rotating ring is switched from a locking state to an unlocking state. The unlocking mechanism further comprises a torsion spring respectively connected with the unlocking ring and the fixing ring, and the unlocking ring rotates in response to the pretightening force of the torsion spring, so that the rotating ring is switched from an unlocking state to a locking state.

The one-way bearing assembly also includes a cage for securing the plurality of sprags, the cage being disposed stationary relative to the retainer ring.

The wedge also includes a fixed shaft connected to the cage through which the wedge deflects relative to the cage.

The one-way bearing assembly further includes a spring ring including a counterbore for receiving the spring ring, the spring ring configured to retain a plurality of the wedges in the cage.

The spring ring applies a torque to the wedge that causes the rotating ring to switch from an unlocked state to a locked state.

The retainer and the spring ring are arranged between the fixed ring and the rotating ring.

The sinking groove comprises a groove bottom consisting of a first arc surface and a second arc surface which are not concentric and have different radiuses.

The plurality of wedges are arranged in a circular ring array which is uniform and rotationally symmetrical.

In another aspect, the present invention further provides a spindle mechanism, including: fixing a bracket; a rotating bracket that rotates between an initial position and a maximum rotational angle position relative to the fixed bracket by a rotating shaft; and a one-way bearing assembly according to the above, the one-way bearing assembly being disposed on the rotating shaft such that the rotating bracket switches between: 1) is allowed to rotate toward the initial position at any intermediate position between the initial position and the maximum rotation angle position; 2) is restricted from rotating toward the initial position at any intermediate position between the initial position and the maximum rotation angle position.

The rotating ring of the one-way bearing assembly is connected with the rotating support, and the fixing ring is connected with and fixed on the rotating shaft.

The rotating shaft comprises a spline shaft.

Spline holes are formed in two axial ends of the fixed support, a support spline hole is formed in the rotary support, a shaft sleeve, a disc spring and a friction damping ring are sequentially arranged and mounted between one spline hole of the fixed support and the support spline hole of the rotary support, the shaft sleeve is fixed on the fixed support, and the friction damping ring abuts against the rotary support; and another shaft sleeve and a positioning friction damping ring are arranged between the other spline hole of the fixed bracket and the rotating bracket.

In another aspect, the present invention provides a flip armrest box, comprising: a storage compartment body having a storage compartment; and an armrest body rotatable relative to the locker body between a closed position covering the stowage compartment and a maximum open position exposing the stowage compartment; the armrest body is connected with the storage box body through the rotating shaft mechanism, so that the armrest body can be switched between a first state and a second state, and when the armrest body is in the first state, the armrest body is limited to rotate from any middle position between the closed position and the maximum opening position to the closed position; when the armrest body is in the second state, it is allowed to rotate from any intermediate position between the closed position and the maximum open position to the closed position.

The storage box body is connected with a fixed support of the rotating shaft mechanism, and the handrail body is connected with a rotating support of the rotating shaft mechanism.

The turnover armrest box further comprises a switch, the switch is connected with a rope or a pull rod in the one-way bearing assembly of the rotating shaft mechanism, and the armrest body is switched between a first state and a second state in response to the movement of the rope or the pull rod under the action of the switch.

In another aspect, the present invention provides a slide rail mechanism, including: fixing a bracket; the sliding support slides between a first position and a second position relative to the fixed support through a sliding rail; and a one-way bearing assembly according to the above, the one-way bearing assembly being arranged on the fixed bracket such that the sliding bracket switches between: 1) is allowed to slide to the first position at any intermediate position between the first position and the second position; 2) is constrained to slide toward the first position at any intermediate position between the first position and the second position.

The fixed ring of the one-way bearing assembly is connected with the fixed support, and the rotating ring is connected with the sliding support.

The fixing ring is provided with a spline hole, the fixing support is provided with a spline shaft matched with the spline hole, and the fixing support further comprises a fifth positioning rib arranged around the spline shaft and used for being matched with the rotating ring.

The slide rail sets up on the sliding support, including first tooth.

The rotating ring includes a second tooth that meshes with the first tooth of the slide rail.

In another aspect, the present invention provides a sliding armrest box, comprising: a storage compartment body having a storage compartment; and an armrest body slidable relative to the locker body between a closed position covering the stowage compartment and a maximum open position exposing the stowage compartment; the armrest body is connected with the storage box body through a sliding rail mechanism according to the above, so that the armrest body can be switched between a first state and a second state, and when the armrest body is in the first state, the armrest body is limited to slide from any intermediate position between the closed position and the maximum opening position to the closed position; when the armrest body is in the second state, is allowed to slide from any intermediate position between the closed position and the maximum open position to the closed position.

The storage box body is connected with a fixed support of the sliding rail mechanism, and the handrail body is connected with a sliding support of the sliding rail mechanism.

The sliding armrest box further comprises a switch, the switch is connected with a rope or a pull rod in the one-way bearing assembly of the sliding rail mechanism, and the armrest body is switched between a first state and a second state in response to the movement of the rope or the pull rod under the action of the switch.

In another aspect, the present invention provides a lifting cup holder, comprising: a base having an opening; a cover movable relative to the base between a closed position covering the opening and a lowermost use position uncovering the opening; the cover plate is connected with the base through the sliding rail mechanism, so that the cover plate can be switched between a first state and a second state, and when the cover plate is in the first state, the cover plate is limited to move to the closed position from any intermediate position between the closed position and the lowest use position; when the cover is in the second state, is allowed to move from any intermediate position between the closed position and the lowermost use position to the closed position.

The base is connected with a fixed support of the sliding rail mechanism, and the cover plate is connected with a sliding support of the sliding rail mechanism.

The lifting cup stand further comprises a coil spring which is connected with the base and a sliding support of the sliding rail mechanism, so that acting force of the cover plate moving to the closing position is provided.

The lifting cup stand further comprises a switch arranged on the base, the switch is connected with a rope or a pull rod of a one-way bearing assembly of the sliding rail mechanism, and the cover plate is switched between a first state and a second state in response to the movement of the switch.

According to the one-way bearing assembly, the one-way bearing is formed by directly contacting the opposite wall surfaces of the inner ring and the outer ring through the brake wedge ring sleeved on the inner ring in the first state, so that the one-way bearing assembly can be infinitely stopped at any required position, and the unlocking rib of the unlocking ring inserted in the gap between the inner ring and the brake wedge can rotate the brake wedge to immediately respond to the requirement of a user to unlock the one-way bearing by driving the rotation of the unlocking ring sleeved on the inner ring, so that the one-way bearing assembly is maximally suitable for more users. Moreover, the one-way bearing assembly avoids the intermittent meshing of the ratchets in the prior art, thereby eliminating abnormal sound and achieving the aim of silencing.

Drawings

FIG. 1A is a schematic view of a vehicle including a console box structure having a one-way bearing assembly of the present invention;

FIG. 1B is an interior schematic perspective view of the vehicle of FIG. 1;

FIG. 2 is a schematic structural view of a rotating shaft mechanism with a one-way bearing assembly according to a preferred embodiment of the present invention;

FIG. 3 is an exploded schematic view of the spindle mechanism of FIG. 2 showing the assembly of the one-way bearing assembly in the spindle mechanism;

FIG. 4 is an exploded schematic view of the one-way bearing assembly shown in FIG. 3;

FIG. 5 is a schematic view of the inner race, cage, brake wedge and release ring, spring ring assembly of FIG. 3;

FIG. 6A is a first schematic view of a brake wedge of the one-way bearing assembly shown in FIG. 4, the first schematic view being enlarged to show the configuration of the sink on the brake wedge;

FIG. 6B is a second schematic view of the brake wedge of the one-way bearing assembly of FIG. 4 showing the stop and unlock surfaces of the brake wedge;

FIG. 7 is a schematic structural view of a cage of the one-way bearing assembly shown in FIG. 4;

FIGS. 8A and 8B are schematic structural views of an unlocking ring of the one-way bearing assembly shown in FIG. 4, respectively;

FIGS. 9A and 9B are schematic structural views of the inner ring of the one-way bearing assembly shown in FIG. 4, respectively;

FIG. 10 is a schematic structural view of an outer ring of the one-way bearing assembly shown in FIG. 4;

FIG. 11 is an enlarged schematic view of the one-way bearing assembly of FIG. 3, illustrating the assembly effect of the one-way bearing assembly;

FIG. 12 is an axial cross-sectional schematic view of the one-way bearing assembly shown in FIG. 11;

FIG. 13 is a schematic cross-sectional view taken along line B-B of FIG. 12;

fig. 14 is a schematic structural view of a bushing of the rotating shaft mechanism shown in fig. 2;

FIG. 15 is a schematic view of the friction damping ring of the spindle mechanism shown in FIG. 2;

FIG. 16 is a schematic view of the positioning friction damping ring of the spindle mechanism shown in FIG. 2;

FIG. 17 is an axial cross-sectional view of the spindle mechanism shown in FIG. 2 at a spindle location;

FIG. 18 is a schematic sectional view of the spindle mechanism of FIG. 17 taken along line C-C in a locked state;

FIG. 19 is a schematic sectional view of the rotary shaft mechanism of FIG. 17 taken along line D-D in a locked state and an unlocked state of the inner ring, wherein the locked state is indicated by a broken line;

FIG. 20 is a cross-sectional view of the spindle mechanism of FIG. 16 taken along line C-C in an unlocked condition of the inner race;

FIG. 21 is a schematic structural view of a slide rail mechanism having a one-way bearing assembly according to another preferred embodiment of the present invention;

FIG. 22 is an exploded view of the slide rail mechanism of FIG. 21 showing an assembled view of the one-way bearing assembly;

FIG. 23 is an exploded view of the one-way bearing assembly shown in FIG. 22;

FIG. 24 is a schematic view of the inner race of the one-way bearing assembly shown in FIG. 23;

FIG. 25 is a schematic structural view of an outer ring of the one-way bearing assembly shown in FIG. 23;

FIG. 26 is a partial detailed view of the fixed bracket of the slide rail mechanism shown in FIG. 21;

FIG. 27 is a front view of the slide rail mechanism of FIG. 21;

FIG. 28 is a schematic cross-sectional view taken along line E-E of FIG. 27;

FIG. 29 is a schematic structural view of a lifting cup holder mechanism with a one-way bearing assembly in a closed position in accordance with another preferred embodiment of the present invention;

FIG. 30 is a schematic view of a lifting cup holder mechanism with a one-way bearing assembly in a maximum open position according to another preferred embodiment of the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

FIG. 1A is a schematic view of a vehicle including an armrest structure having a one-way bearing assembly of the present invention. FIG. 1B is an interior schematic perspective view of the vehicle of FIG. 1A. According to an exemplary embodiment, the vehicle V includes an interior I having an armrest box F and a lift cup CH intermediate the driver and front passenger seats. The armrest box F includes a storage compartment S and an armrest body a, wherein the storage compartment S includes a storage compartment (not shown). The storage compartment body S and the armrest body a may be coupled by a rotating shaft mechanism having a one-way bearing assembly according to a preferred embodiment of the present invention, such that the armrest body a may rotate relative to the storage compartment body S and the armrest body a may be controlled by a switch (not shown) provided on the armrest box F to rotate between a closed position covering the storage compartment of the storage compartment body S and a maximum open position exposing the storage compartment of the storage compartment body S. Furthermore, the armrest body a may also be connected to the console body S through a slide rail mechanism having a one-way bearing assembly according to another preferred embodiment of the present invention, such that the armrest body a can slide relative to the console body S and is controlled by a switch (not shown in the figures) provided on the console box F to slide between a closed position covering the console compartment of the console body S and a maximum open position exposing the console compartment of the console body S. The lifting cup holder CH comprises a base B with an opening O and a cover C for shielding the opening O, wherein the cover C can be connected with the base B through a slide rail mechanism with a one-way bearing assembly according to another preferred embodiment of the invention, so that the cover C can slide relative to the base B and is controlled by a switch arranged on the base B to slide between a closing position for shielding the opening O and an using position for exposing the opening O so as to accommodate a beverage container. It will be appreciated that the spindle mechanism and/or the slide rail mechanism with the one-way bearing assembly may also be arranged on the seat arm.

The first embodiment is as follows: rotating shaft mechanism

A rotary shaft mechanism including a one-way bearing assembly having a preferred embodiment of the present invention will be described.

(mechanism constitution)

As shown in fig. 2, the rotating shaft mechanism 100 having the one-way bearing assembly includes: a fixed bracket 40 connected to the console body S shown in fig. 1B, and a rotating bracket 30 connected to the armrest body a shown in fig. 1B by a rotating shaft and rotating relative to the fixed bracket 40 between an initial position (corresponding to a closed position in which the armrest body a covers the console compartment) and a maximum rotated angle position (corresponding to a maximum open position in which the armrest body a exposes the console compartment). The rotating shaft is provided as a spline shaft 20 in this embodiment. The one-way bearing assembly 10 is fixed to the spline shaft 20 for achieving that the rotating bracket 30 is allowed to rotate toward the initial position at any intermediate position between the initial position and the maximum rotated angle position, and that the rotating bracket 30 is restricted from rotating toward the initial position at any intermediate position between the initial position and the maximum rotated angle position.

As shown in fig. 3, the rotating bracket 30 is provided with a bracket spline hole 31, and both axial ends of the fixed bracket 40 are provided with spline holes 41, 42 so that the spline shaft 20 passes through the rotating bracket 30 and the fixed bracket 40.

Fig. 4 is an exploded view of the one-way bearing assembly 10 in the spindle mechanism 100 of fig. 2. According to an exemplary embodiment, the one-way bearing assembly 10 includes: an inner ring 11, an outer ring 15, which are coaxially arranged, and a spring ring 12, a brake wedge 13, and a retainer 14, which are sandwiched between the inner ring 11 and the outer ring 15. As shown in fig. 5, the spring ring 12 mounts the brake wedge 13 to the retainer 14, wherein the brake wedge 13 is radially inward of the brake wedge 13 toward the inside (or inner ring 11) of the retainer 14, and conversely, the brake wedge 13 is radially outward of the brake wedge 13 toward the outside (or outer ring 15) of the retainer 14.

The number of the brake wedges 13 is multiple and the circular ring arrays are evenly arranged. The brake wedge 13 includes a sunken groove 131 shown in fig. 6A that opens radially outward of the brake wedge 13 for receiving the spring coil 12, and a groove bottom of the sunken groove 131 includes a first arc surface 1311 and a second arc surface 1312 that are not concentric and have different radii. The brake wedge 13 further includes an outer arc surface 134 located on the radially outward side, the outer arc surface 134 includes two sections of third and fourth arc surfaces (or spiral surfaces) 1341 and 1343 with different centers and different radii, and the third arc surface 1341 and the fourth arc surface 1243 are adjacent to each other to form an intersection line 1342.

The brake wedge 13 further includes a stop surface 132 located radially inward of the brake wedge 13 and an unlock surface 133 facing away from the stop surface 132 as shown in fig. 6B. The brake wedge 13 further includes an intrados surface 135 located radially inward, the intrados surface 135 including two sections of non-concentric fifth and sixth arcs (or spiral surfaces) 1351, 1353 of different radii, the fifth arc 1351 and the sixth arc 1353 being adjacent to each other to form an intersection line 1352.

As shown in fig. 7, the holder 14 is a substantially hollow cylinder having a circumferential wall provided with a plurality of openings 141 equally spaced to receive the brake wedges 13. The holder 14 is further provided with a first positioning rib 142 on one side end surface thereof. The first positioning rib 142 may be provided in 1 or 2 as shown in fig. 7, or even more. It is contemplated that the brake wedge 13 may further include an axially disposed fixed shaft (not shown) through which the brake wedge 13 is coupled to a shaft hole (not shown) disposed in the opening 141 of the retainer, such that the brake wedge 13 is more stably deflectable relative to the retainer 14, while the locking of the inner race 11 is more stable.

As shown in fig. 4, the one-way bearing assembly 10 further includes an unlocking mechanism including a torsion spring 16, a rope 17, and an unlocking ring 18 provided between the inner ring 11 and the outer ring 15 described above. It will be appreciated that the cable 17 may be replaced by a pull rod. As shown in fig. 8A and 8B, the unlocking ring 18 comprises two circular rings spaced apart from each other, and a plurality of unlocking ribs 182 are arranged at intervals on the same circular arc track, so that a plurality of openings 181 for accommodating the brake wedges 13 are formed between the adjacent unlocking ribs 182, wherein the number and the positions of the openings 181 correspond to the number and the positions of the openings 141 on the retainer 14. The unlocking ribs 182 extend in the axial direction of the unlocking ring 18, and the number thereof is the same as the number of the brake wedges 13. As shown in fig. 5, each unlocking rib 182 is interposed between two adjacent brake wedges 13, and both sides of the unlocking rib 182 include an acting surface 1821 cooperating with the stop surface 132 of the above brake wedge 13 and a reaction surface 1822 cooperating with the unlocking surface 133 of the above brake wedge 13, as shown in fig. 8B. The unlocking ring 18 is further provided with an insertion groove 183 for fixing one end of the torsion spring 16 shown in fig. 4 and a fixing groove 184 for fixing one end of the rope 17 shown in fig. 4.

As shown in fig. 9A, 9B, the inner ring 11 includes a first hollow cylinder 111 and a second hollow cylinder 112 whose end surfaces are connected to each other, the first hollow cylinder 111 having an inner ring outer wall surface 1111, and the second hollow cylinder 112 having an outer diameter larger than that of the first hollow cylinder 111 so as to form a stepped surface 113 at the connection therebetween for defining the unlocking ring 18 shown in fig. 4. The inner ring 11 further includes a spline flange 114 disposed at an end of the second hollow cylinder 112 remote from the first hollow cylinder 111, the spline flange 114 including splines 115 that mate with the bracket spline holes 31 on the rotating bracket 30, as described above, such that rotation of the rotating bracket 30 rotates the inner ring 11.

As shown in fig. 10, the outer ring 15 includes a third hollow cylinder 151 with one end closed for accommodating the unlocking ring 18, the inner ring 11, the braking wedge 13 and the retainer 14 shown in fig. 5, the third hollow cylinder 151 has an outer ring inner wall surface 1511 and an outer ring outer wall surface 1512, the outer ring inner wall surface 1511 is provided with a second positioning rib 152, and the second positioning rib 152 is matched with the above first positioning rib 142 on the retainer 14, so that the retainer 14 is fixed relative to the outer ring 15. The outer ring outer wall surface 1512 of the third hollow cylinder 151 is provided with a locking groove 155 for fixing the other end of the torsion spring 16. The closed end 153 of the third hollow cylinder 151 is also provided with an outer ring splined bore 154 that mates with a splined shaft 20 (see fig. 3) described in detail below, such that the outer ring 15 is fixed relative to the splined shaft 20.

In the one-way bearing 10 of the present invention, the radius of the third arc surface 1341 and the radius of the fifth arc surface 1351 of the sprag 13 are both greater than half of the difference between the radius of the outer ring inner wall surface 1511 on the outer ring 15 and the radius of the inner ring outer wall surface 1111 on the inner ring 11, which is the basic concept of the conventional one-way bearing. However, the one-way bearing assembly of the present invention creatively adds the fourth arc surface 1343 and the sixth arc surface 1353, and the radius of the fourth arc surface 1343 and the radius of the sixth arc surface 1353 are both smaller than half of the difference between the radius of the inner wall surface 1511 of the outer ring on the outer ring 15 and the radius of the outer wall surface 1111 of the inner ring on the inner ring 11, which is to ensure that a gap is more easily formed between the brake wedge 13 and the outer ring 15 and the inner ring 11 during unlocking, so that the unlocking of the one-way bearing is smoother.

(installation procedure)

The installation process of the one-way bearing assembly 10 of the present invention is described below with reference to fig. 11-13. FIG. 11 is a schematic structural view of the preferred embodiment one-way bearing assembly. FIG. 12 is an axial cross-sectional schematic view of the one-way bearing assembly of FIG. 11. FIG. 13 is a cross-sectional view B of the one-way bearing assembly shown in FIG. 12. When assembling the one-way bearing assembly 10 of the present invention, as shown in fig. 5 and 12, the retainer 14 is first fitted over the unlocking ring 18 such that the opening 141 of the retainer 14 is aligned with the opening 181 of the unlocking ring 18. Each of the brake wedges 13 is placed through the corresponding opening 141 of the retainer 14 and the opening 181 of the unlocking ring 18 with the depressed groove 131 of the brake wedge 13 facing radially outward and the stop surface 132 of the brake wedge 13 facing clockwise, the spring ring 12 is fitted in the depressed grooves 131 of all the brake wedges 13 to fix the brake wedge 13 to the retainer 14, and the inner ring 11 is inserted into the outer ring 15 after sequentially passing through the torsion spring 16 and the unlocking ring 18 such that the torsion spring 16 and the unlocking ring 18 are both fitted on the inner ring 11. Specifically, the torsion spring 16 is sleeved on the second hollow cylinder 112 of the inner ring 11, one side of the torsion spring 16 abuts against the spline flange 114 of the inner ring 11, and the other side abuts against the unlocking ring 18. One end of the cage 14 abuts against the unlocking ring 18, and the other end abuts against the outer ring 15 by the above-mentioned first positioning rib 142 (see fig. 7) on the cage 14 cooperating with the second positioning rib 152 (see fig. 10) on the outer ring 15 so that the cage 14 is fixed relative to the outer ring 15. The unlocking ring 18 has one end abutting against the step surface 113 on the inner ring 11 and the other end restrained by the retainer 14. As shown in fig. 13, since the first arc 1311 of the brake wedge 13 is an eccentric arc, the pressure of the spring coil 12 on the brake wedge 13 causes the brake wedge 13 to generate a clockwise torque of rotation, so that the brake wedge 13 is automatically adjusted to be eccentrically tangent to the first hollow cylinder 111 of the inner ring 11 and the third hollow cylinder 151 of the outer ring 15. Specifically, the outer arc surface 134 of the brake wedge 13 is tangent to the outer ring inner wall surface 1511 of the outer ring 15, and the inner arc surface 135 of the brake wedge 13 is tangent to the inner ring outer wall surface 1111 of the inner ring 11, respectively, so as to form a dead lock angle. Ideally, the tangent line of the extrados 134 to the outer ring inner wall surface 1511 exactly coincides with the intersection line 1342 of the third and fourth arc surfaces 1341, 1343, and the tangent line of the intrados 135 to the inner ring outer wall surface 1111 exactly coincides with the intersection line 1352 of the fifth and sixth arc surfaces 1351, 1353. In actual production, due to manufacturing tolerances of the parts, the positions of the

intersecting lines

1342 and 1352 are adjusted to deviate from the tangential positions, so that the tangential positions of the outer arc surface 134 and the outer ring inner wall surface 1511 are located on the third arc surface 1341, and the tangential position of the inner arc surface 135 tangent to the inner ring outer wall surface 1111 is located on the fifth arc surface 1351. Meanwhile, as shown in fig. 11, one end of the torsion spring 16 is connected to the slot 183 of the unlocking ring 18, and the other end is connected to the catching groove 155 of the outer ring 15, so that the torsion spring 16 applies a pre-tightening torque between the unlocking ring 18 and the outer ring 15. At this time, the inner ring 11 is in a locked state. In addition, one end of the rope 17 is connected to the fixing groove 184 of the unlocking ring 18, and the other end is used for connection to a switch (not shown) provided on the console box F.

Referring to fig. 3, the rotating shaft mechanism 100 further includes: a sleeve 51, a belleville spring 52, a friction damping ring 53, an axial positioning ring 54 and a positioning friction damping ring 55. As shown in fig. 3, the spline shaft 20 is provided with two

teeth

21 and 22 spaced apart from each other in the axial direction. The axial positioning rings 54 are provided as a pair, the axial positioning rings 54 include positioning spline grooves 541 matched with the spline shaft 20, the two axial positioning rings 54 are sleeved on the spline shaft 20 through a cold pressing process, and the positioning spline grooves 541 of the two axial positioning rings 54 are respectively clamped with the two

tooth parts

21 and 22 on the spline shaft 20, so that the two axial positioning rings 54 are prevented from moving along the axial direction.

As shown in fig. 14, the sleeve 51 includes a base 511, splines 512 provided on one end surface of the base 511, and spline holes 513 for fitting the spline shafts 20. As shown in fig. 3, in the present embodiment, the shaft sleeves 51 are provided as a pair, and the shaft sleeves 51 are respectively sleeved at both ends of the spline shaft 20 and accommodated between the two

spline holes

41 and 42 on the fixed bracket 40, wherein the splines 512 (see fig. 13) of the shaft sleeves 51 are respectively matched with the two

spline holes

41 and 42, so that the shaft sleeves 51 are stationary relative to the fixed bracket 40, and the spline holes 513 (see fig. 13) of the shaft sleeves 51 make the spline shaft 20 stationary relative to the shaft sleeves 51 and then stationary relative to the fixed bracket 40.

As shown in fig. 15, the friction damping ring 53 includes an inner circular hole 531 that mates with the spline shaft 20 (see fig. 3) to enable the friction damping ring 53 to rotate about the spline shaft 20. The friction damping ring 53 also includes grooves 532 that mate with the splines 115 (see fig. 8A) of the inner ring 11 above so that the friction damping ring 53 rotates synchronously with the inner ring 11.

As shown in fig. 16, the positioning friction damping ring 55 includes a cylindrical body 552 and an inner circular hole 551 provided at the center of the cylindrical body 552 to be fitted with the spline shaft 20 (see fig. 3). The spline shaft 20 passes through the inner circular hole 551 so that the positioning frictional damping ring 55 can rotate about the spline shaft 20. A plurality of third positioning ribs 553 and fourth positioning ribs 554 are alternately arranged on the cylinder 552 equally, the positioning friction damping ring 55 passes through the rotating bracket 30 and is in press fit with the rotating bracket 30 through the third positioning ribs 553, and the fourth positioning ribs 554 abut against the rotating bracket 30, so that the positioning friction damping ring 55 and the rotating bracket 30 rotate synchronously.

Fig. 17 shows an axial sectional view of the spindle mechanism 100 at the spindle position. The spline shaft 20 extends through the stationary bracket 40, the rotating bracket 30, the one-way bearing assembly 10 and the remaining components of the spindle mechanism 100, such as the shaft sleeve 51, the disc spring 52, the friction damping ring 53, the axial positioning ring 54 and the positioning friction damping ring 55. A shaft sleeve 51, a disc spring 52 and a friction damping ring 53 are sequentially arranged and mounted between a spline hole 41 of the fixed bracket 40 and a bracket spline hole 31 of the rotating bracket 30. The sleeve 51 is fixed to the fixing bracket 40. The friction damping ring 53 abuts against the rotating bracket 30, so that the groove 532 (see fig. 15) on the friction damping ring 53 is matched with the spline 115 on the inner ring 11 passing through the bracket spline hole 31 of the rotating bracket 30, and the synchronous movement of the inner ring 11, the friction damping ring 53 and the rotating bracket 30 is realized. One of the two axial positioning rings 54 is located inside the outer ring 15, in particular the axial positioning ring 54 abuts with one end against the end face of the first hollow cylinder 111 on the inner ring 11 and with the other end against the inner end face of the closed end 153 of the outer ring 15. Another axial positioning ring 54 is located on the outside of the outer ring 15, in particular, the axial positioning ring 54 abuts against the outer end face of the closed end 153 of the outer ring 15. The function of the two axial positioning rings 54 is to position the inner ring 11 and the outer ring 15. Another shaft sleeve 51 and a positioning friction damping ring 55 are arranged between the other spline hole 42 of the fixed bracket 40 and the rotating bracket 30, and the connection mode of the shaft sleeve 51 and the fixed bracket 40 is the same as that described above and is not described again. The positioning frictional damping ring 55 passes through the rotating bracket 30 and is press-fitted with the rotating bracket 30 by the above third positioning rib 553 (see fig. 16), while the above fourth positioning rib 554 (see fig. 16) abuts against the rotating bracket 30, thereby achieving synchronous rotation of the positioning frictional damping ring 55 and the rotating bracket 30.

Upset handrail case with pivot mechanism

The operation of the console box F with the hinge mechanism 100 will be described.

As shown in fig. 1B, the armrest body a is in a closed position covering the stowage compartment with respect to the stowage housing S, that is, the rotating bracket 30 is in an initial position with respect to the fixing bracket 40, the outer ring 15 is fixed by the fixing bracket 40 through the outer ring spline hole 154 under the action of the spline shaft 20, the radially outward side of the sprag 13 is eccentrically tangent to the outer ring inner wall surface 1511 of the outer ring 15, and the radially inward side of the sprag 13 is eccentrically tangent to the inner ring outer wall surface 1111 of the inner ring 11, as shown in fig. 18, the inner ring 11 is not affected by the sprag 13 and the outer ring 15 when rotating clockwise, but is hindered from rotating by the sprag 13 and the outer ring 15 when rotating counterclockwise, so that the inner ring 11 can only rotate clockwise but cannot rotate counterclockwise, that is, the inner ring 11 is in a locked state. In the present rotating shaft mechanism 100, the outer ring 15 is a fixed ring, and the inner ring 11 is a rotating ring. Meanwhile, one end of the torsion spring 16 is connected with the unlocking ring 18, and the other end of the torsion spring 16 is connected with the outer ring 15, as shown in fig. 11, so that the torsion spring 16 applies a pre-tightening torque to the unlocking ring 18, and the action surface 1821 of the unlocking rib 182 on the unlocking ring 18 is ensured to be tightly attached to and pressed against the stop surface 132 on the brake wedge 13, as shown in fig. 18.

When a passenger turns the armrest body a upward by opening the turned armrest box F or adjusting the position of the armrest body a upward, the rotating bracket 30 rotates relative to the fixed bracket 40 and drives the inner ring 11 to rotate, and since the inner ring 11 can rotate clockwise but cannot rotate counterclockwise at this time, the armrest body a can be turned from the closed position to the maximum open position but cannot be turned from any intermediate position between the closed position and the maximum open position to the closed position, which enables the armrest body a to bear a sufficient load at any intermediate position. At the same time, as shown in FIG. 17 and described above, rotation of the inner ring 11 in turn rotates the friction damping ring 53; the rotation of the rotating bracket 30 also rotates the positioning friction damping ring 55. Although the frictional damping rings 53 and the stationary frictional damping ring 55 are rotated, the pair of bosses 51 are not rotated due to the connection with the fixing bracket 40, so that a frictional force for controlling the armrest turning operation force is generated between one boss 51 and the stationary frictional damping ring 55 and between the other boss 51 and the frictional damping ring 53.

When the passenger wants to close the flip armrest box F or adjust the position of the armrest body a downward, the inner ring 11 can be adjusted to the unlocked state by pressing the switch on the flip armrest box F, and as described above, one end of the rope 17 is connected to the unlocking ring 18, and the other end is connected to the switch on the armrest box F. The cord 17 is pulled by pressing the switch to overcome the pre-tightening torque of the torsion spring 16 on the unlocking ring 18, thereby rotating the unlocking ring 18 clockwise by an angle α, as shown in fig. 19. Comparing fig. 18 and 20, the unlocking rib 182 on the unlocking ring 18 moves clockwise from one brake wedge 13 to the adjacent brake wedge 13, in the process, the acting surface 1821 of the unlocking rib 182 separates from the stop surface 132 on the brake wedge 13 until the reaction surface 1822 of the unlocking rib 182 is tightly attached to and pressed against the unlocking surface 133 on the brake wedge 13, so that the unlocking rib 182 pushes the brake wedge 13 to deflect counterclockwise by the rotation of the unlocking ring 18, a gap is generated between the brake wedge 13 and at least one of the inner ring 11 and the outer ring 15, at this time, when the inner ring 11 rotates counterclockwise again, the interaction between the brake wedge 13 and the outer ring 15 is not affected, and then the inner ring 11 can rotate clockwise and can rotate counterclockwise, i.e. the inner ring 11 is in the unlocking state. At the same time, due to the deflection of the brake wedge 13, the spring ring 12 (see fig. 13) becomes pressed against the second radiused surface 1312 of the brake wedge 13 and generates a torque that applies to the brake wedge 13 that ensures that the brake wedge 13 can deflect back when the inner ring 11 returns from the unlocked to the locked condition. At this time, the passenger can rotate the armrest body a from any intermediate position between the closed position and the maximum open position toward the closed position until the closed position or the satisfied position is reached.

When the armrest body a reaches the satisfactory position or the closed position, and the passenger releases the switch, the unlocking ring 18 rotates counterclockwise under the action of the pre-tightening torque of the torsion spring 16, the acting surface 1821 on the unlocking rib 182 is tightly attached to the stop surface 132 on the braking wedge 13 again and presses against each other, so as to push the braking wedge 13 to deflect clockwise. The spring ring 12 (see fig. 13) re-presses the first arc 1311 of the brake wedge 13 to cause the radially outward side of the brake wedge 13 to be eccentrically tangent to the outer race 15, while the radially inward side of the brake wedge 13 is eccentrically tangent to the inner race 11, and the inner race 11 returns to the locked condition.

In the rotating shaft mechanism 100 of the embodiment, only one set of one-way bearing assembly 10 is assembled, so the armrest body a can still be turned upwards when the inner ring 11 is in a locking state, and there is a possibility of danger in the automobile collision process, therefore, in order to meet the collision safety requirement, two sets of one-way bearing assemblies 10 can be assembled, and the locking directions of the two sets of inner rings are adjusted to be opposite, so that the armrest body can not be turned over in the inner ring locking state, but the armrest body can be turned over in two directions after the inner ring is unlocked through one switch.

Example two: slide rail mechanism

A slide rail mechanism including a one-way bearing assembly 10' having another preferred embodiment of the present invention will now be described.

(mechanism constitution)

As shown in fig. 21 and 22, the slide rail mechanism 200 includes: a sliding bracket 70 connected with the armrest body a shown in fig. 1B, a fixing bracket 80 connected with the storage compartment S shown in fig. 1B, and a one-way bearing assembly 10' mounted on the fixing bracket 80. The sliding bracket 70 includes a sliding rail 71, and the sliding rail 71 is designed with teeth 711 axially arranged to cooperate with the one-way bearing assembly 10'. In this embodiment, the sliding bracket 70 includes two sliding rails 71, and correspondingly, two one-way bearing assemblies 10 'are also mounted on the fixed bracket 80 in a mirror image manner, and the sliding bracket 70 slides relative to the fixed bracket 80 through the cooperation of the sliding rails 71 and the one-way bearing assemblies 10'.

As shown in fig. 23, the one-way bearing assembly 10' includes: an inner ring 11 ', an outer ring 15' coaxially arranged, and a spring ring 12, a brake wedge 13 and a cage 14 sandwiched between the inner ring 11 'and the outer ring 15'. The spring ring 12, the brake wedge 13 and the retainer 14 are identical in structure to the spring ring 12, the brake wedge 13 and the retainer 14 used in the spindle mechanism 100, and thus, detailed description thereof is omitted. The inner ring 11 'and the outer ring 15' are slightly different from the inner ring 11 and the outer ring 15 described above, and therefore, the inner ring 11 'and the outer ring 15' are referred to as differences. The one-way bearing assembly 10' further includes an unlocking mechanism including a torsion spring 16, a cable 17 and an unlocking ring 18. The torsion spring 16, cord 17 and unlocking ring 18 are identical to those described above and will not be described in detail.

As shown in fig. 24, the inner ring 11 'includes a first hollow cylinder 111' and a second hollow cylinder 112 'whose end surfaces are connected to each other, and the outer wall surface of the second hollow cylinder 112' is an inner ring outer wall surface 1111 ', and the outer diameter of the second hollow cylinder 112' is larger than the outer diameter of the first hollow cylinder 111 'to form a stepped surface 113' for defining the unlocking ring 18 at the connection therebetween. In contrast, the inner ring 11 ' further includes a splined hole 114 ' provided on the first hollow cylinder 111 ', and a groove 115 ' provided on the first hollow cylinder 111 ' for fixing one end of a torsion spring 16 (see fig. 23), and the other end of the torsion spring 16 is fixed to a slot 183 (shown in fig. 23) of the unlocking ring 18.

As shown in fig. 25, the outer ring 15 'includes a third hollow cylinder 151' for partially accommodating the inner ring 11 ', the brake wedge 13, the retainer 14 and the unlocking ring 18 shown in fig. 23, and teeth 152' provided on an outer ring outer wall surface 1512 of the third hollow cylinder 151 ', and the outer ring 15' is rotated along the slide rail 71 by engaging the teeth 152 'with teeth 711 on the slide rail 71 shown in fig. 22, and it can be known that, in the present slide rail mechanism 200, the outer ring 15' is provided as a rotating ring.

Fig. 26 is an enlarged view of a part of the fixing bracket 80, showing that the fixing bracket 80 is provided with a through hole 81 through which the slide rail 71 shown in fig. 22 passes so that the slide rail 71 together with the slide bracket 70 can slide relative to the fixing bracket 80; fig. 26 also shows that the fixing bracket 80 is provided with a spline shaft 82 which is matched with the spline hole 114 'of the inner ring 11' so that the inner ring 11 'is stationary relative to the fixing bracket 80, and it can be known that in the sliding rail mechanism 200, the inner ring 11' is provided as a fixing ring. The fixed bracket 80 further includes fifth positioning ribs 83 and sixth positioning ribs 84 provided around the spline shaft 82, wherein the fifth positioning ribs 83 are engaged with an outer ring inner wall surface 1511 '(shown in fig. 25) of the third hollow cylindrical body 151' of the outer ring 15 'to ensure that the outer ring 15' rotates centering on the spline shaft 82, and the sixth positioning ribs 84 are engaged with the first positioning ribs 142 (shown in fig. 23) of the cage 14 to immobilize the cage 14 with respect to the fixed bracket 80.

The installation process of the unidirectional bearing assembly 10' in this embodiment is the same as that of the unidirectional bearing 10, and therefore, the detailed description thereof is omitted.

Sliding armrest box with sliding rail mechanism

The use of the slide armrest box F having the slide rail mechanism 200 will be described as follows:

as shown in fig. 1B, the armrest body a is in a closed position for shielding the stowage compartment with respect to the stowage housing S, that is, the slide bracket 70 is in an initial position with respect to the fixed bracket 80, the inner ring 11 ' is fixed by the fixed bracket 80 under the action of the spline shaft 82 shown in fig. 26, a radially outward side of the sprag 13 is eccentrically tangent to an outer ring inner wall surface 1511 ' (see fig. 25) of the third hollow cylinder 151 ' of the outer ring 15 ', and a radially inward side of the sprag 13 is eccentrically tangent to an inner ring outer wall surface 1111 ' (see fig. 24) of the second hollow cylinder 112 ' of the inner ring 11 '. As shown in fig. 28, the outer ring 15 ' is not hindered from rotating by the action of the brake wedge 13 and the inner ring 11 ' when rotating clockwise but is hindered from rotating by the interaction of the brake wedge 13 and the inner ring 11 ' when rotating counterclockwise, so that the outer ring 15 ' can only rotate clockwise but not counterclockwise, i.e. the outer ring 15 ' is in a locked state. Meanwhile, one end of the torsion spring 16 is connected with the unlocking ring 18, and the other end of the torsion spring 16 is connected with the inner ring 11', so that the torsion spring 16 applies a pre-tightening torque to the unlocking ring 18, and the action surface 1821 of the unlocking rib 182 on the unlocking ring 18 is ensured to be tightly attached to and mutually pressed with the stop surface 132 on the braking wedge 13.

As shown in fig. 27 and 28, when the passenger slides the armrest body a forward by attempting to open the slide armrest box F or adjust the position of the armrest body a forward, the slide bracket 70 slides forward relative to the fixed bracket 80, and the teeth 711 of the slide rail 71 engage with the teeth 152 'on the outer ring 15' such that the slide rail 71 rotates clockwise with the forward movement of the slide bracket 70. Since the outer ring 15' can now rotate clockwise but not counterclockwise, the armrest body a can slide from the closed position to the maximum open position exposing the stowage compartment but cannot slide from any intermediate position between the closed position and the maximum open position to the closed position, even in the event of crash acceleration.

When the passenger wants to close the sliding armrest box F or adjust the position of the armrest body a backward, the outer ring 15' can be adjusted to the unlocked state by pressing the switch on the sliding armrest box F in the same manner as described above with respect to fig. 18-20, and the rope 17 has one end connected to the unlocking ring 18 and the other end connected to the switch on the sliding armrest box F. The cord 17 is pulled by pressing the switch to overcome the pre-tightening torque of the torsion spring 16 on the unlocking ring 18, so that the unlocking ring 18 is driven to rotate counterclockwise by an angle alpha. The unlocking rib 182 of the unlocking ring 18 moves counterclockwise from one brake wedge 13 to the adjacent brake wedge 13, in the process, the acting surface 1821 of the unlocking rib 182 is separated from the stop surface 132 of the brake wedge 13 until the reaction surface 1822 of the unlocking rib 182 is tightly attached to and pressed against the unlocking surface 133 of the brake wedge 13, so that the unlocking rib 182 rotates to drive the brake wedge 13 to deflect clockwise through the rotation of the unlocking ring 18, and a gap is formed between the brake wedge 13 and at least one of the inner ring 11 'and the outer ring 15'. At this time, when the outer ring rotates counterclockwise again, the outer ring is not affected by the interaction between the brake wedge 13 and the inner ring 11 ', and then the outer ring 15 ' can rotate both clockwise and counterclockwise, that is, the outer ring 15 ' is in an unlocked state. At the same time, due to the deflection of the brake wedge 13, the spring ring 12 becomes pressed against the second rounded surface 1312 of the brake wedge 13 and generates a torque which exerts a force on the brake wedge 13, which ensures that the brake wedge 13 can deflect back when the outer ring 15' returns from the unlocked state to the locked state. At this time, the passenger can slide the armrest body a from any intermediate position between the closed position and the maximum open position toward the closed position until the closed position or the satisfied position is reached.

When the armrest body a reaches the satisfactory position or the closed position, and the passenger releases the switch, the unlocking ring 18 rotates clockwise under the action of the pre-tightening torque of the torsion spring 16, the acting surface 1821 on the unlocking rib 182 is tightly attached to the stop surface 132 on the brake wedge 13 again and presses against each other, so as to push the brake wedge 13 to deflect counterclockwise. The spring ring 12 re-presses the first arc 1311 of the brake wedge 13 to cause the radially outward side of the brake wedge 13 to be eccentrically tangent to the outer ring 15 ', while the radially inward side of the brake wedge 13 is eccentrically tangent to the inner ring 11 ', and the outer ring 15 ' returns to the locked state. Because the two sets of one-way bearing assemblies 10 'are mirror image mounted in this embodiment, the outer ring 15', the brake wedge 13 and the unlocking ring 18 of the other set of one-way bearing assemblies 10 'rotate in the opposite direction to the arrangement in the one-way bearing assembly 10' described above. Thus, the armrest body a cannot slide back and forth when the outer ring 15 'is in the locked state, but can slide forward or backward when the outer ring 15' is unlocked by a switch. From the viewpoint of simplifying the structure, it is also conceivable for those skilled in the art to arrange only one slide rail and one set of one-way bearing assemblies. Thus, the armrest body a can still slide forward when the outer ring 15' is in the locked state.

As can be seen from the two embodiments described above, either of the inner ring and the outer ring may be provided as a rotating ring, while the other is provided as a stationary ring. Whether the inner ring or the outer ring is set as a rotating ring, when the rotating ring is in a locking state, the rotating ring can only rotate along one direction and cannot rotate along the opposite direction; the rotating ring can rotate in two different directions only when the rotating ring is in the unlocked state. In addition, when the unlocking ring is disposed outside the rotating ring and is adjacent to the rotating ring, or when the unlocking ring is disposed inside the rotating ring and is adjacent to the fixing ring, the deflection direction of the brake wedge is set to be opposite to the rotation direction of the unlocking ring. It is contemplated that the unlocking ring may be disposed outside the rotating ring and proximate to the stationary ring, or the unlocking ring may be disposed inside the rotating ring and proximate to the rotating ring, in both cases, the deflection direction of the brake wedge is set to be the same as the rotation direction of the unlocking ring.

Although in both embodiments the unlocking ring is fitted over the inner ring, i.e. the unlocking ring is adjacent to the inner ring, in the first embodiment the inner ring is arranged as a rotating ring and in the second embodiment the inner ring is arranged as a stationary ring. According to the two embodiments, when the unlocking ring is arranged close to the rotating ring, the unlocking ring rotates along the same direction as the rotating direction of the rotating ring in the locking state, so that the rotating ring is switched from the locking state to the unlocking state; when the unlocking ring is arranged close to the fixed ring, the unlocking ring rotates in the direction opposite to the rotating direction of the rotating ring in the locking state, so that the rotating ring is switched to the unlocking state from the locking state.

Although in both embodiments the switch pulls the outer ring by means of a cord, it will be appreciated that the switch is preferably of the toggle type at this time; when the switch is selected to be push, the cord is preferably replaced with a pull rod.

Cup stand with sliding rail mechanism

The structure and operation of the lifting cup holder with the sliding rail mechanism 200' are described as follows:

as shown in fig. 29, the elevating cup holder CH includes a base 61 having an opening 63, a cover plate 62 covering the opening, and a slide rail mechanism 200'. The slide rail mechanism 200' is configured to slide the cover 62 relative to the base 61 between a closed position covering the opening and a lowermost use position exposing the opening 63 for receiving a beverage container. The slide rail mechanism 200 ' includes a fixed bracket 80 ' connected to the base 61, a sliding bracket 70 ' connected to the cover plate 62, and a one-way bearing assembly 10 ' provided on the fixed bracket 80 '. The sliding bracket 70 ' is provided with teeth 711 ' engaged with the one-way bearing assembly 10 '. The lifting cup holder CH further comprises a switch 64 disposed on the base 61, the switch 64 being connected to a pull rod 66 of the one-way bearing assembly 10 ' to control the outer ring 15 ' of the one-way bearing assembly 10 ' to switch from the locked state to the unlocked state. The lift cup holder CH further includes a coil spring 65 connecting the sliding bracket 70' and the base 61 to provide a force to move the cover 62 from the lowest use position to the closed position. It is understood that the sliding bracket 70 'and the fixing bracket 80' are adjustably deformed based on the aforementioned sliding bracket 70 and fixing bracket 80 in order to be adapted to the cup holder. However, the movement principle of the sliding track mechanism 200' is consistent with that of the sliding track mechanism 200, and the detailed description is omitted here.

The use process of the lifting cup stand CH is as follows: initially, the cover 62 is in a closed position at the opening 63 of the base 61 and is flush with the outer peripheral surface of the opening 63. At this time, the outer ring 15 'of the one-way bearing assembly 10' is in a locked state, so the cover plate 62 can only move from the closed position to the lowest use position, and cannot move in the reverse direction. When the user desires to place the water bottle 91, he simply presses the cover 62 downward to the desired position (any intermediate position between the closed position and the minimum use position, and the minimum use position). When a user needs to close the cup stand or adjust the depth of the cup stand, the user only needs to press the switch, and the rope of the one-way bearing assembly 10 'is pulled, so that the outer ring 15' is switched from the locking state to the unlocking state, and the cover plate 62 can move to the closing position under the action of the coil spring 65.

The above embodiments are merely preferred embodiments of the present invention, which are not intended to limit the scope of the present invention, and various changes may be made in the above embodiments of the present invention. All simple and equivalent changes and modifications made according to the claims and the content of the specification of the present application fall within the scope of the claims of the present patent application. The invention has not been described in detail in order to avoid obscuring the invention.

Claims

1. A one-way bearing assembly, comprising:

a rotating ring;

a fixed ring, the rotating ring being coaxially arranged with the fixed ring;

a plurality of sprags disposed between the rotating ring and the fixed ring; and

an unlocking mechanism configured to switch the rotating ring between a locked state and an unlocked state under the driving of the switch;

when the rotating ring is in a locked state, the rotating ring is rotatable in a first direction but not rotatable in a second direction opposite to the first direction;

when the rotating ring is in an unlocking state, the rotating ring can rotate along the first direction and the second direction;

the one-way bearing assembly further comprises a cage for accommodating a plurality of wedges, the cage being arranged to be stationary relative to the retainer ring to limit autorotation of the wedges;

when the rotating ring is in a locking state, the wedge blocks are eccentrically tangent with the rotating ring and the fixing ring respectively to form a locking dead angle;

when the rotating ring is in an unlocking state, gaps are formed among the wedge block, the rotating ring and the fixing ring.

2. The one-way bearing assembly of claim 1, wherein the rotating ring switches between a locked state and an unlocked state in response to deflection of the plurality of sprags.

3. The one-way bearing assembly of claim 1, wherein the unlocking mechanism includes an unlocking ring disposed between the rotating ring and the fixed ring, the rotating ring being switched between a locked state and an unlocked state in response to rotation of the unlocking ring.

4. The one-way bearing assembly of claim 3, wherein when the unlocking ring is disposed proximate to the rotating ring, the unlocking ring rotates in the first direction such that the rotating ring switches from the locked state to the unlocked state;

when the unlocking ring is arranged close to the fixed ring, the unlocking ring rotates along the second direction, so that the rotating ring is switched from a locking state to an unlocking state.

5. The one-way bearing assembly of claim 3, wherein the plurality of sprags deflect in response to rotation of the unlocking ring.

6. The assembly of claim 5, wherein the direction of deflection of the sprags is opposite to the direction of rotation of the unlocking ring when the unlocking ring is disposed outside and proximate to the rotating ring;

when the unlocking ring is arranged outside the rotating ring and is close to the fixing ring, the deflection direction of the wedge block is the same as the rotating direction of the unlocking ring;

when the unlocking ring is arranged inside the rotating ring and is close to the rotating ring, the deflection direction of the wedge block is the same as the rotating direction of the unlocking ring;

when the unlocking ring is arranged inside the rotating ring and is close to the fixing ring, the deflection direction of the wedge block is opposite to the rotating direction of the unlocking ring.

7. The one-way bearing assembly of claim 3, wherein the unlocking ring comprises a plurality of unlocking ribs on the same circular arc trajectory.

8. The assembly of claim 7, wherein a single unlocking rib is disposed between two adjacent wedges, the unlocking rib urging the wedges to deflect in response to rotation of the unlocking ring.

9. The one-way bearing assembly of claim 7, wherein the sprags have oppositely disposed stop and release surfaces, wherein,

the stop surface is tightly attached to the unlocking rib when the rotating ring is in a locking state,

the unlocking surface is tightly attached to the unlocking rib when the rotating ring is in an unlocking state.

10. The assembly of claim 3, wherein the unlocking mechanism further comprises a cable or pull rod connected at one end to the unlocking ring and at the other end to the switch, the unlocking ring rotating in response to pulling of the cable or pull rod such that the rotating ring switches from the locked state to the unlocked state.

11. The assembly of claim 10, wherein the unlocking mechanism further comprises a torsion spring coupled to the unlocking ring and the stationary ring, respectively, the unlocking ring rotating in response to a pre-load of the torsion spring such that the rotating ring switches from an unlocked state to a locked state.

12. The one-way bearing assembly of claim 1, wherein the wedge further comprises a fixed shaft coupled to the cage, the wedge being deflectable relative to the cage by the fixed shaft.

13. The one-way bearing assembly of claim 1, further comprising a spring ring, the wedge including a counterbore for receiving the spring ring, the spring ring configured to retain a plurality of the wedges in the cage.

14. The one-way bearing assembly of claim 13, wherein the spring ring applies a torque to the wedge that switches the rotating ring from the unlocked state to the locked state.

15. The one-way bearing assembly of claim 13, wherein the cage and spring ring are both disposed between the stationary ring and the rotating ring.

16. The assembly of claim 13, wherein the counter sink comprises a trough bottom comprised of first and second arcuate surfaces that are not concentric and have different radii.

17. The assembly of claim 1, wherein the plurality of sprags are arranged in a uniform and rotationally symmetric array in a circular ring array.

18. Pivot mechanism, its characterized in that includes:

fixing a bracket;

a rotating bracket that rotates between an initial position and a maximum rotational angle position relative to the fixed bracket by a rotating shaft; and

the one-way bearing assembly of any one of claims 1-17, disposed on the shaft such that the rotating bracket switches between: 1) is allowed to rotate toward the initial position at any intermediate position between the initial position and the maximum rotation angle position; 2) is restricted from rotating toward the initial position at any intermediate position between the initial position and the maximum rotation angle position.

19. The spindle mechanism according to claim 18, wherein the rotating ring of the one-way bearing assembly is connected to the rotating bracket, and the fixing ring is connected to the spindle and fixed to the spindle.

20. The spindle mechanism according to claim 18, wherein the spindle comprises a splined shaft.

21. The rotating shaft mechanism according to claim 18, wherein spline holes are formed at two axial ends of the fixed support, a support spline hole is formed in the rotating support, a shaft sleeve, a disc spring and a friction damping ring are sequentially arranged and mounted between the spline hole of the fixed support and the support spline hole of the rotating support, the shaft sleeve is fixed on the fixed support, and the friction damping ring abuts against the rotating support; and another shaft sleeve and a positioning friction damping ring are arranged between the other spline hole of the fixed bracket and the rotating bracket.

22. Upset handrail case includes:

a storage compartment body having a storage compartment; and

an armrest body rotatable relative to the locker body between a closed position covering the stowage compartment and a maximum open position exposing the stowage compartment;

characterized in that the armrest body is connected to the storage compartment by means of a hinge mechanism according to any one of claims 18 to 21, such that the armrest body is switchable between a first position and a second position, when the armrest body is in the first position, and is restricted from rotating from any intermediate position between the closed position and the maximum open position to the closed position; when the armrest body is in the second state, it is allowed to rotate from any intermediate position between the closed position and the maximum open position to the closed position.

23. The box-like armrest of claim 22, wherein the storage compartment is coupled to a stationary bracket of the pivot mechanism, and the armrest body is coupled to a rotating bracket of the pivot mechanism.

24. The flip handrail box of claim 22, comprising a switch connected to a cable or pull rod in the unidirectional bearing assembly of the spindle mechanism, the handrail body being switchable between a first state and a second state in response to movement of the cable or pull rod under the switch.

25. Slide rail mechanism, its characterized in that includes:

fixing a bracket;

the sliding support slides between a first position and a second position relative to the fixed support through a sliding rail; and

the one-way bearing assembly of any one of claims 1-17, disposed on the fixed bracket such that the sliding bracket switches between: 1) is allowed to slide to the first position at any intermediate position between the first position and the second position; 2) is constrained to slide toward the first position at any intermediate position between the first position and the second position.

26. The slide rail mechanism of claim 25 wherein the fixed ring of the one-way bearing assembly is coupled to the fixed bracket and the rotating ring is coupled to the sliding bracket.

27. The slide rail mechanism according to claim 26, wherein the fixing ring has a spline hole, the fixing bracket has a spline shaft fitted to the spline hole, and the fixing bracket further includes a fifth positioning rib provided around the spline shaft for fitting the rotating ring.

28. The slide rail mechanism of claim 26 wherein the slide rail is disposed on the sliding bracket and includes a first tooth.

29. The slide rail mechanism of claim 28 wherein the rotating ring includes second teeth that mesh with the first teeth of the slide rail.

30. Armrest box slides includes:

a storage compartment body having a storage compartment; and

an armrest body slidable relative to the locker body between a closed position covering the stowage compartment and a maximum open position exposing the stowage compartment;

wherein the armrest body is coupled to the storage compartment via a slide rail mechanism according to any of claims 25-29 such that the armrest body is switchable between a first position and a second position, the armrest body being constrained from sliding toward the closed position from any intermediate position between the closed position and the maximum open position when the armrest body is in the first position; when the armrest body is in the second state, is allowed to slide from any intermediate position between the closed position and the maximum open position to the closed position.

31. The console box of claim 30, wherein the console body is connected to a fixed bracket of a slide rail mechanism, and the console body is connected to a sliding bracket of the slide rail mechanism.

32. The box of claim 30, further comprising a switch coupled to a cable or pull rod in the unidirectional bearing assembly of the slide rail mechanism, the armrest body being switchable between the first and second states in response to movement of the cable or pull rod under the switch.

33. Lift saucer includes:

a base having an opening;

a cover movable relative to the base between a closed position covering the opening and a lowermost use position uncovering the opening; wherein the cover is connected to the base by a slide mechanism according to any one of claims 25 to 29 such that the cover is switchable between a first state and a second state, the cover being constrained from moving from any intermediate position between the closed position and the lowermost use position to the closed position when the cover is in the first state; when the cover is in the second state, is allowed to move from any intermediate position between the closed position and the lowermost use position to the closed position.

34. The lifting cup holder of claim 33, wherein the base is coupled to a fixed bracket of the slide mechanism and the cover is coupled to a sliding bracket of the slide mechanism.

35. The lift cup holder of claim 33, further comprising a coil spring coupled to both said base and said sliding support of said slide rail mechanism to provide a force to move said cover toward said closed position.

36. The lift cup holder of claim 33, further comprising a switch disposed on said base, said switch coupled to a cable or a pull rod of a one-way bearing assembly of said slide rail mechanism, said cover plate switchable between a first state and a second state in response to movement of said switch.