Handrail pop-up device and motorcycle tail rack
By designing automatic pop-up armrests and slewing devices on motorcycle seats, the problems of inconvenient use and placement of items in existing motorcycle seats are solved, and convenient passengers get on and off the vehicle and placement of items are achieved, which improves driving Security.
Patent Information
- Application Number
- CN202011141258.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-10-22
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2040-10-22
AI Technical Summary
The existing motorcycle seat design lacks handrails that are easy to use and operate, and the existing handrails are usually not suitable for non-child passengers, resulting in inconvenience for passengers to get on and off the vehicle, and the motorcycle tail frame cannot be easily placed when no handrails are needed. thing.
A handrail ejection device is designed, installed on the backrest plate, including a pin, a spring, a sleeve, a sliding shaft, a sleeve and a handrail. The handrail ejects outward through the automatic spring ejection mechanism of the spring, which facilitates the passenger's grasp and rotates through The device and unlocking mechanism enable the folding and unfolding of the backrest plate to facilitate placement of items.
It realizes a handrail device that is easy to grasp by passengers. It has simple operation, the handrail can automatically pop out and the backrest plate can be folded, which improves passengers' convenience of getting on and off the vehicle and item placement ability, and enhances driving safety.
Smart Images
Figure CN112092953B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to motorcycle parts, in particular to an armrest pop-up device and a motorcycle tail rack. Background Art
[0002] Motorcycles are widely used nowadays, but most of them are not provided with handrails. Some motorcycles are provided with rear handrails, and very few motorcycles are provided with handrails located in front of the passenger seat.
[0003] CN201620915933 discloses a free-retractable and adjustable quick-release child seat without spacing. The technical scheme is as follows: it comprises a straight rod bracket, a vehicle seat, an L-shaped backrest bracket, a guardrail, an L-shaped front armrest bracket, a support base, a screw hole, an adjustment sleeve, an arc-shaped connecting buckle, a long hole, a quick-release screw, a quick-release nut, and a quick-release turnbuckle. The front end of the straight rod bracket is fixedly installed under the vehicle seat, the rear end of the vehicle seat is installed with the L-shaped backrest bracket, one end of the L-shaped backrest bracket is installed under the vehicle seat, and guardrails are respectively arranged on the left and right sides of the vehicle seat, and one end of the guardrails on both sides is fixed on the L-shaped backrest bracket. An L-shaped front armrest bracket is installed at the front end, one end of the L-shaped front armrest bracket is installed under the seat, a supporting base is arranged under the L-shaped backrest bracket, and one end of the supporting base is fixedly connected to the L-shaped front armrest bracket and the L-shaped backrest bracket by several screws and nuts, a screw hole is arranged at the end of the straight rod bracket, an adjusting sleeve is sleeved on the straight rod bracket, an arc-shaped connecting buckle is welded at the rear end of the adjusting sleeve, the arc-shaped connecting buckle is fixed to the electric vehicle, long holes are arranged on both sides of the adjusting sleeve, one end of the quick-release screw passes through the long hole and is connected to the screw hole, and is fixed by a quick-release nut, and a quick-release turnbuckle is arranged at the other end of the quick-release screw.
[0004] The armrest of the above technical solution is a front armrest bracket, and its L-shaped front armrest bracket and L-shaped backrest bracket are fixedly connected by several screws and nuts; therefore, when the armrest is not needed, such a setting makes it inconvenient to place items on the motorcycle tail rack. In addition, the seat is also provided with a guardrail, which is only suitable for children. For non-child passengers, such a setting makes it inconvenient for passengers to get on and off the vehicle. Summary of the invention
[0005] In view of the technical problems existing in the prior art, the purpose of the present invention is to provide an armrest pop-up device which is easy to use, simple to operate, and convenient for passengers to grasp.
[0006] Another object of the present invention is to provide a motorcycle tail rack which is provided with a backrest board for the driver to lean on and a handrail for the passenger to hold.
[0007] In order to achieve the above object, the present invention adopts the following technical solution:
[0008] The cam is provided with a spring which is adapted to move the spring forward and backward and to move the spring forward and backward so as to move the cam forward and downward so as ...
[0009] As a preferred embodiment, there are two armrests, each of which includes two pop-up rods and a gripping rod, and the two pop-up rods are perpendicular to the gripping rod; there are two sleeves, each of which is provided with two lock buckles, which cooperate with the buckles of the two pop-up rods of the same armrest;
[0010] There are six springs, two sliding shafts, and four sleeves; the four sleeves are all arranged on the backrest plate in the left-right direction, and the four sleeves are located in pairs on the same axial direction; the grasping rods of the two armrests are respectively arranged on the left and right sides of the backrest plate, and the four pop-up rods are respectively slidably connected with the four sleeves; the two sliding shafts are both arranged on the backrest plate and are respectively located on the left and right sides of the pin; the two sleeves are respectively sleeved on the two sliding shafts; two of the six springs are respectively sleeved on the two sliding shafts, and the other four springs are respectively sleeved on the four pop-up rods; the number of push plates and fixed plates is two, the two push plates are symmetrically arranged on the pin, the two fixed plates are respectively arranged on the two sleeves, and the two push plates cooperate with the two fixed plates respectively.
[0011] As a preferred embodiment, a limiting groove in the axial direction is provided on the sleeve, and the length of the limiting groove is equal to the distance that the armrest pops out to the outside of the backrest plate; and a limiting nail cooperating with the limiting groove is provided on the outer wall of the pop-up rod.
[0012] As a preferred embodiment, the two springs on the two sliding shafts are symmetrically arranged, the two sleeves are symmetrically arranged, the two sliding shafts are symmetrically arranged, the two sleeves in the same axial direction are symmetrically arranged, and the two handrails are symmetrically arranged.
[0013] As a preference, the backrest board is a front backrest board located in front of the passenger.
[0014] As a preferred embodiment, the cross-sections of the buckle and the lock are both triangular; the inner side of the buckle and the outer side of the lock are both inclined surfaces, so that when the armrest is reset inward, the inner inclined surface of the buckle pushes the outer inclined surface of the lock in the axial direction, so that the buckle enters the inner side of the lock.
[0015] A motorcycle tail rack comprises a tail rack frame, a backrest board, a swivel device and an armrest pop-up device; wherein the swivel device is arranged on the tail rack frame, the backrest board is arranged on the tail rack frame through the swivel device, and the armrest pop-up device is arranged on the backrest board; the swivel device comprises a torsion spring, a fixed shaft and an unlocking mechanism, and the end of the backrest board is a swivel; the fixed shaft is installed on the tail rack frame, the swivel is sleeved on the fixed shaft and rotates around the fixed shaft, so that the backrest board rotates between a folding position and an unfolding position; the torsion spring that bounces the backrest board to the unfolding position is sleeved on the fixed shaft, and the unlocking mechanism that engages or releases the swivel and the fixed shaft is installed on the fixed shaft.
[0016] As a preferred embodiment, the unlocking mechanism includes a button, a connecting piece, a pin shaft, a first toothed disk, a second toothed disk, a limiting plate and a first spring; the first toothed disk, the second toothed disk, the first spring and the limiting plate are sequentially sleeved on the fixed shaft and are located between the two rotating rings of the backrest plate, the first toothed disk is fixedly connected to one of the rotating rings, the limiting plate is fixedly connected to the fixed shaft, and the first spring presses the second toothed disk toward the first toothed disk; the surface of the fixed shaft is provided with a sliding groove in the axial direction, the interior of the fixed shaft is provided with a cavity in the axial direction, and the cavity is connected with the sliding groove; a through hole is provided in the radial direction of the second toothed disk, the pin shaft is connected with the through hole of the second toothed disk and extends into the sliding groove; the button, the connecting piece and the pin shaft are connected in sequence, the connecting piece is located in the cavity, and the button is located outside the cavity; when the button is pressed, the button drives the pin shaft to slide axially along the sliding groove through the connecting piece, the pin shaft drives the second toothed disk to slide axially, the second toothed disk leaves the first toothed disk, and the rotating ring is released from the fixed shaft.
[0017] As a preferred embodiment, it further comprises a limiting mechanism, and a radial pin hole is provided on the fixed shaft;
[0018] The limiting mechanism includes a latch, a first fixing sleeve, a second fixing sleeve, a limiting block, an arc groove and a second spring; the first fixing sleeve and the second fixing sleeve are both fixedly connected to the backrest plate, and the latch passes through the first fixing sleeve and the second fixing sleeve; the second spring sleeve that pushes the head of the latch toward the fixed axis is connected to the latch;
[0019] The limit block is arranged on the tail frame, the arc groove is arranged on the swivel, the limit block is rotatably connected with the arc groove, and the size range of the arc groove is the rotation range of the backrest plate;
[0020] When the backrest board is in the unfolded position, the latch is pushed into the latch hole to lock the backrest board and the fixed shaft; pull the tail of the latch, the latch moves out of the latch hole, and the backrest board and the fixed shaft are unlocked.
[0021] As a preferred embodiment, the unlocking mechanism includes a paddle, a first toothed disk, a second toothed disk, a limit plate and a first spring; the first toothed disk, the second toothed disk, the first spring and the limit plate are sequentially mounted on the fixed shaft and are located between the two rotating rings of the backrest plate, the first toothed disk is fixedly connected to one of the rotating rings, the limit plate is fixedly connected to the fixed shaft, and the first spring presses the second toothed disk toward the first toothed disk; the paddle is arranged in the radial direction of the second toothed disk, and when the paddle is turned, the paddle drives the second toothed disk to slide axially, the second toothed disk leaves the first toothed disk, and the rotating ring is released from the fixed shaft.
[0022] In general, the present invention has the following advantages:
[0023] 1. Easy to hold, the armrest is set on the backrest board in front of the passenger, and the passenger only needs to hold it forward.
[0024] 2. The structure is simple, using springs, which are parts that can be purchased directly, and the rationally designed structure enables the spring to automatically pop out the handrail.
[0025] 3. Simple operation. The armrest only needs to push the latch to disengage the buckle and the lock, and the spring will automatically pop out the armrest to both sides of the backrest. The backrest also only needs to press the button or push the paddle to disengage the gear plate, and the torsion spring will automatically unfold the backrest.
[0026] 4. When the armrests and backrest are not needed, just fold the armrests to both sides of the backrest, fold the backrest onto the passenger seat, and the passenger can sit on it to ride the motorcycle. It is also convenient to place items on the tail rack, and then secure the items for transportation.
[0027] 5. The backrest is set in front of the passenger seat. The driver can lean on the backrest to drive, and the passenger can also hold the armrest on the backrest, which improves safety and avoids contact between the passenger and the driver and affects the driver. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] Figure 1 Schematic diagram of the armrest pop-up device.
[0029] Figure 2 A schematic diagram of the connection between the sleeve and the ejection rod.
[0030] Figure 3 Schematic diagram of the connection between the sleeve and the sliding shaft.
[0031] Figure 4 Schematic diagram of a motorcycle tail rack according to the second embodiment.
[0032] Figure 5 for Figure 4 Enlarged view of point A.
[0033] Figure 6 Schematic diagram of the connection between buttons and connectors.
[0034] Figure 7 Schematic diagram of the meshing of two toothed discs and racks.
[0035] Figure 8 This is a schematic diagram of the working state of the handrail in Example 1.
[0036] Fig. 9 This is a schematic diagram of the unlocking mechanism of Example 3 when the paddle is unlocked.
[0037] Among them, 1 is the tail frame, 2 is the backrest plate, 3 is the third spring, 4 is the fixing plate, 5 is the push plate, 6 is the armrest, 7 is the limiting nail, 8 is the sleeve, 9 is the latch, 10 is the sleeve, 11 is the sliding shaft, 12 is the buckle, 13 is the lock buckle, 14 is the fourth spring, 15 is the grasping rod, 16 is the ejection rod, 17 is the limiting groove, 18 is the mounting block, 19 is the paddle, 20 is the torsion spring, 21 is the fixed shaft, 22 is the latch hole, 23 is the limiting ring, 24 is the second toothed disk, 25 is the pin shaft, 26 is the first toothed disk, 27 is the connecting rod, 28 is the button, 29 is the collar, 30 is the sliding groove, 31 is the first spring, 32 is the second fixing sleeve, 33 is the second spring, 34 is the first fixing sleeve, 35 is the limiting block, 36 is the arc groove, and 37 is the swivel. DETAILED DESCRIPTION
[0038] The accompanying drawings are only used for illustrative purposes and should not be construed as limitations on this patent. To better illustrate this embodiment, some parts of the accompanying drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the accompanying drawings may be omitted. The positional relationships described in the accompanying drawings are only used for illustrative purposes, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying a specific orientation, specific structure and operation that the device or element referred to must have. Therefore, the positional relationships described in the accompanying drawings are only used for illustrative purposes and should not be construed as limitations on this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to the specific circumstances. The technical solution of the present invention is further described in detail below through specific embodiments and in combination with the accompanying drawings.
[0039] Embodiment 1
[0040] The cam is provided with a spring which is adapted to move the spring forward and backward and to move the spring forward and backward so as to move the cam forward and downward so as ...
[0041] There are two armrests, each of which includes two pop-up rods and a gripping rod, and the two pop-up rods are perpendicular to the gripping rods; there are two sleeves, each of which is provided with two locks, which cooperate with the buckles of the two pop-up rods of the same armrest; there are six springs, two sliding shafts, and four sleeves; among them, four sleeves are arranged on the backrest plate along the left and right directions, and the four sleeves are located in pairs on the same axial direction; the gripping rods of the two armrests are respectively arranged on the left and right sides of the backrest plate, and the four pop-up rods are respectively slidably connected with the four sleeves; the two sliding shafts are arranged on the backrest plate and are respectively located on the left and right sides of the latch; the two sleeves are respectively sleeved on the two sliding shafts; two of the six springs are respectively sleeved on the two sliding shafts, and the other four springs are respectively sleeved on the four pop-up rods; there are two push plates and two fixing plates, the two push plates are symmetrically arranged on the latch, the two fixing plates are respectively arranged on the two sleeves, and the two push plates cooperate with the two fixing plates.
[0042] The sleeve is provided with a limiting groove in the axial direction, and the length of the limiting groove is equal to the distance that the armrest pops out to the outside of the backrest plate; the outer wall of the pop-up rod is provided with a limiting nail that cooperates with the limiting groove.
[0043] The two springs on the two sliding shafts are symmetrically arranged, the two sleeves are symmetrically arranged, the two sliding shafts are symmetrically arranged, the two sleeves in the same axis direction are symmetrically arranged, and the two armrests are symmetrically arranged. The backrest board is a front backrest board located in front of the passenger.
[0044] The cross-sections of the buckle and the lock are both triangular; the inner side of the buckle and the outer side of the lock are both inclined surfaces, so that when the armrest is reset inward, the inner inclined surface of the buckle pushes the outer inclined surface of the lock in the axial direction, so that the buckle enters the inner side of the lock.
[0045] The sliding shaft is installed on the backrest plate through two mounting blocks. The mounting blocks are provided with mounting holes for installing the sliding shaft and threaded holes connected to the backrest plate by screws. The mounting blocks are connected and fixed to the backrest plate by screws and threaded holes. The sliding shaft is installed on the mounting holes of the two mounting blocks. The pop-up rod is divided into two sections. One section is the pop-up section connected to the grasping rod, and its size matches the size of the inner cavity of the sleeve. The other section is the locking section with a buckle, and its size matches the size of the inner diameter of the fourth spring. One end of the spring arranged on the sliding shaft presses against the mounting block, and the other end presses against the sleeve to make the buckle cooperate with the lock buckle. The spring arranged on the sliding shaft is the third spring, and the spring arranged on the pop-up rod is the fourth spring.
[0046] The backrest board of this embodiment is fixedly arranged on the tail frame of the motorcycle.
[0047] Workflow:
[0048] The armrest is initially folded on the left and right sides of the backrest. When working: push the latch, the latch slides axially, pushes the fixed plate through the push plate, the fixed plate drives the sleeve to slide, the lock leaves the buckle, and the spring pops the pop-up rod outward. The pop-up distance is the length of the limit groove on the sleeve. When resetting: press the armrests on both sides to slide toward the center of the backrest, the inner inclined surface of the buckle pushes the outer inclined surface of the lock buckle in the axial direction, the sliding shaft is forced to slide along the shaft until the inner inclined surface of the buckle completely slides over the outer inclined surface of the lock buckle, and the spring on the sliding shaft presses the sleeve until the buckle and the lock buckle lock and cooperate, thereby locking the armrest.
[0049] Embodiment 2
[0050] A motorcycle tail rack in this embodiment includes a tail rack frame, a rotating device and a backrest board; the backrest board is equipped with an armrest pop-up device, the rotating device is arranged on the tail rack frame, and the backrest board is arranged on the tail rack frame through the rotating device.
[0051] The slewing device includes a torsion spring, a fixed shaft and an unlocking mechanism, and the end of the backrest plate is a swivel; the fixed shaft is installed on the tail frame, the swivel is sleeved on the fixed shaft and rotates around the fixed shaft, so that the backrest plate rotates between the folding position and the unfolded position; the torsion spring that bounces the backrest plate to the unfolded position is sleeved on the fixed shaft, and the unlocking mechanism that engages or releases the swivel and the fixed shaft is installed on the fixed shaft.
[0052] Among them, both the front and rear surfaces of the backrest board are provided with soft material cushions; the torsion spring includes a body and two extended arms, one arm is fixed on the fixed shaft, and the other is fixed on the backrest board. The tail frame includes a body and a mounting portion, and the fixed shaft is mounted on the mounting portion. The head and tail ends of the fixed shaft are fixed on the mounting portion of the tail frame, the fixed shaft is provided with an axial cavity, the surface of the fixed shaft is provided with an axial slide groove, and the cavity is connected to the slide groove; the fixed shaft is provided with a radial pin hole.
[0053] The unlocking mechanism includes a button, a connecting piece, a pin, a first toothed disk, a second toothed disk, a limit plate and a first spring; one end of the button is a flat surface and the other end is an arc surface. The connecting piece is divided into two parts, one is a push rod and the other is a collar; one end of the push rod is connected to the button and the other end is connected to the collar. The collar is a circular ring that matches the size of the pin and is sleeved on the pin. The first toothed disk and the second toothed disk are both two circular rings, and the side of the circular ring is provided with teeth arranged in a circular ring. The cross section of the teeth is a triangle, and the triangle is as follows: Figure 4 As shown, the angle range of ∠ABC is 15°-45°, and the angle range of ∠ACB is 45°-90°. The first spring is sleeved on the fixed shaft and is located between the limit plate and the second toothed disk. The limit plate is a plate with a circular ring structure, which is sleeved on the fixed shaft.
[0054] The first toothed disk, the second toothed disk, the first spring and the limit plate are sequentially sleeved on the fixed shaft and located between the two rotating rings of the backrest plate, the first toothed disk is fixedly connected to one of the rotating rings, the limit plate is fixedly connected to the fixed shaft, and the first spring presses the second toothed disk toward the first toothed disk; the surface of the fixed shaft is provided with a slide groove in the axial direction, and the interior of the fixed shaft is provided with a cavity in the axial direction, and the cavity is connected with the slide groove; a through hole is provided in the radial direction of the second toothed disk, and the pin shaft is connected with the through hole of the second toothed disk and extends into the slide groove; the button, the connecting piece and the pin shaft are sequentially connected, the connecting piece is located in the cavity, and the button is located outside the cavity; when the button is pressed, the button drives the pin shaft to slide axially along the slide groove through the connecting piece, and the pin shaft drives the second toothed disk to slide axially, the second toothed disk leaves the first toothed disk, and the rotating ring is released from the fixed shaft.
[0055] The limiting mechanism includes a latch, a first fixed sleeve, a second fixed sleeve, a limiting block, an arc groove and a second spring; the first fixed sleeve and the second fixed sleeve are both semi-cylindrical structures, that is, one side is a plane, the other side is an arc surface, and the head and tail ends are semicircular, and the fixed sleeve is provided with an axial through hole for mounting the latch. The second spring body is sleeved on the latch and is located between the first fixed sleeve and the second fixed sleeve, wherein one end of the second spring at both ends acts on the first fixed sleeve, and the other end acts on the latch. A limiting pin is provided on the latch section between the two fixed sleeves to facilitate the force of the second spring to act on the latch.
[0056] The first fixing sleeve and the second fixing sleeve are both fixedly connected to the backrest plate, and the latch passes through the first fixing sleeve and the second fixing sleeve; the second spring sleeve that pushes the head of the latch toward the fixed axis is connected to the latch; the limit block is arranged on the tail frame, the arc groove is arranged on the swivel, the limit block is rotatably connected to the arc groove, and the size range of the arc groove is the rotation range of the backrest plate; when the backrest plate is in the unfolded position, the latch is pushed into the latch hole to lock the backrest plate and the fixed axis; the tail of the latch is pulled, the latch moves out of the latch hole, and the backrest plate and the fixed axis are unlocked.
[0057] A protective shell is provided outside the rotating device. There are two types of protective shells, one with an outer cylindrical structure and the other with a rectangular structure. The protective shells protect the internal parts of the rotating device and rotate with the backrest plate.
[0058] The armrest pop-up device is installed on the backrest plate, and includes a latch, two springs, a sleeve, a sliding shaft, a sleeve and an armrest; the armrest includes a pop-up rod and a gripping rod connected to each other, one end of the pop-up rod is provided with a buckle, and the gripping rod is located on the side of the backrest plate; the sleeve is arranged on the backrest plate in the left and right directions, and the pop-up rod is slidably connected with the sleeve and extends toward the center of the backrest plate; the latch is axially slidably connected with the backrest plate, the latch and the pop-up rod are vertically arranged, and a push piece is provided on the latch; the sliding shaft is arranged on the backrest plate and is located between the pop-up rod and the latch, the sliding shaft is parallel to the latch, the sleeve is sleeved on the sliding shaft and slides relative to the sliding shaft, a fixing piece and a lock buckle are provided on the sleeve, the push piece cooperates with the fixing piece, and the buckle cooperates with the lock buckle; a spring is sleeved on the pop-up rod and is located in the sleeve to push the pop-up rod outward, and the other spring is sleeved on the sliding shaft to push the lock buckle toward the buckle; the latch is toggled, the latch slides axially, the sleeve is driven to slide through the push piece and the fixing piece, the lock buckle leaves the buckle, and the pop-up rod pops outward.
[0059] There are two armrests, each of which includes two pop-up rods and a gripping rod, and the two pop-up rods are perpendicular to the gripping rods; there are two sleeves, each of which is provided with two locks, which cooperate with the buckles of the two pop-up rods of the same armrest; there are six springs, two sliding shafts, and four sleeves; among them, four sleeves are arranged on the backrest plate along the left and right directions, and the four sleeves are located in pairs on the same axial direction; the gripping rods of the two armrests are respectively arranged on the left and right sides of the backrest plate, and the four pop-up rods are respectively slidably connected with the four sleeves; the two sliding shafts are arranged on the backrest plate and are respectively located on the left and right sides of the latch; the two sleeves are respectively sleeved on the two sliding shafts; two of the six springs are respectively sleeved on the two sliding shafts, and the other four springs are respectively sleeved on the four pop-up rods; there are two push plates and two fixing plates, the two push plates are symmetrically arranged on the latch, the two fixing plates are respectively arranged on the two sleeves, and the two push plates cooperate with the two fixing plates.
[0060] The sleeve is provided with a limiting groove in the axial direction, and the length of the limiting groove is equal to the distance that the armrest pops out to the outside of the backrest plate; the outer wall of the pop-up rod is provided with a limiting nail that cooperates with the limiting groove.
[0061] The two springs on the two sliding shafts are symmetrically arranged, the two sleeves are symmetrically arranged, the two sliding shafts are symmetrically arranged, the two sleeves in the same axis direction are symmetrically arranged, and the two armrests are symmetrically arranged. The backrest board is a front backrest board located in front of the passenger.
[0062] The cross-sections of the buckle and the lock are both triangular; the inner side of the buckle and the outer side of the lock are both inclined surfaces, so that when the armrest is reset inward, the inner inclined surface of the buckle pushes the outer inclined surface of the lock in the axial direction, so that the buckle enters the inner side of the lock.
[0063] The sliding shaft is installed on the backrest plate through two mounting blocks. The mounting blocks are provided with holes for installing the sliding shaft and threaded holes connected to the backrest plate by screws. The mounting blocks are fixed to the backrest plate by screws, and the sliding shaft is installed on the sliding shafts of the two mounting blocks. The pop-up rod is divided into two sections, one section is the pop-up section connected to the grasping rod, the size of which matches the size of the inner cavity of the sleeve, and the other section is the locking section with a buckle, the size of which matches the size of the inner diameter of the fourth spring. One end of the spring arranged on the sliding shaft presses against the mounting block, and the other end presses against the sleeve to make the buckle cooperate with the lock buckle. The spring arranged on the sliding shaft is the third spring, and the spring arranged on the pop-up rod is the fourth spring.
[0064] The backrest board in this embodiment is fixedly mounted on the motorcycle tail frame or rotatably mounted on the motorcycle tail frame.
[0065] Workflow:
[0066] The backrest is initially folded on the original motorcycle seat or tail frame. When the backrest needs to be used, press the button, the backrest rotates and pops up, and the rotation angle is limited by the cooperation of the limit block and the arc groove. The latch on the backrest accurately and smoothly pushes into the latch hole under the action of the second spring, and the backrest is restricted from rotating and fixed in the required unfolded position. When the latch is pushed into the latch hole, the latch pushes the fixing plate through the push plate, the fixing plate drives the sleeve to slide, the lock buckle leaves the buckle, and the spring pops the pop-up rod outward.
[0067] When resetting, press the armrests on both sides to slide toward the center of the backrest board. The inner inclined surface of the buckle pushes the outer inclined surface of the lock buckle in the axial direction. The slide shaft is forced to slide along the shaft until the inner inclined surface of the buckle completely slides over the outer inclined surface of the lock buckle. The spring on the slide shaft presses the sleeve to the buckle and the lock buckle to lock and match, thereby locking the armrest. Move the tail of the latch to pull the latch out of the latch hole, press the backrest board back to the original motorcycle seat bag or tail frame. The first spring presses the second toothed disc to engage and lock with the first toothed disc.
[0068] Embodiment 3
[0069] In this embodiment, the unlocking mechanism of embodiment 2 includes a paddle, a first toothed disk, a second toothed disk, a limit plate and a first spring; the first toothed disk, the second toothed disk, the first spring and the limit plate are sequentially mounted on the fixed shaft and are located between the two rotating rings of the backrest plate, the first toothed disk is fixedly connected to one of the rotating rings, the limit plate is fixedly connected to the fixed shaft, and the first spring presses the second toothed disk toward the first toothed disk; the paddle is arranged in the radial direction of the second toothed disk, and when the paddle is pulled, the paddle drives the second toothed disk to slide axially, the second toothed disk leaves the first toothed disk, and the rotating ring is loosened from the fixed shaft.
[0070] Workflow:
[0071] The backrest board is initially folded on the original motorcycle seat or tail frame. When the backrest board is needed, the paddle is turned, and the backrest board rotates and pops up. The rotation angle is limited by the cooperation of the limit block and the arc groove. The latch on the backrest board is accurately and smoothly pushed into the latch hole under the action of the second spring, and the backrest board is restricted from rotating and fixed in the required unfolded position. In addition, when the latch is pushed into the latch hole, the latch pushes the fixing plate through the push plate, and the fixing plate drives the sleeve to slide, the lock buckle leaves the buckle, and the spring pops the pop-up rod outward.
[0072] When resetting, press the armrests on both sides to slide toward the center of the backrest board. The inner inclined surface of the buckle pushes the outer inclined surface of the lock buckle in the axial direction. The sliding shaft is forced to slide along the shaft until the inner inclined surface of the buckle completely slides over the outer inclined surface of the lock buckle. The spring on the sliding shaft presses the sleeve until the buckle and the lock buckle are locked and matched, thereby locking the armrest.
[0073] The tail of the latch is moved to pull the latch out of the latch hole, and the backrest plate is pressed to be folded back onto the original motorcycle seat bag or tail frame. The first spring presses the second toothed disc to engage and lock with the first toothed disc.
[0074] Embodiment 4
[0075] In this embodiment, the motorcycle tail rack of the second embodiment or the third embodiment is installed on the motorcycle body, and the motorcycle is a two-wheeled electric motorcycle or a two-wheeled fuel motorcycle.
[0076] The above-mentioned embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above-mentioned embodiments. In the present invention, only one armrest, one sleeve, one sliding shaft, one sleeve and one latch are required. The armrest only needs one pop-up rod and a gripping rod. These parts are arranged according to the above-mentioned embodiments, and then the armrest can be manually pulled out to realize the sliding of the armrest on the backrest board, and the function of the passenger holding the armrest with one hand is also realized. However, in order to automate it and facilitate the operation of passengers, a spring pop-up armrest is adopted, and two armrests are arranged on both sides of the backrest board to facilitate the passengers to hold with both hands. Therefore, for ordinary technicians in the relevant technical field, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the claims of the present invention.
Claims
1. An armrest pop-up device, mounted on a backrest plate, characterized in that: It includes a latch, two springs, a sleeve, a sliding shaft, a sleeve and an armrest; the armrest includes a pop-up rod and a gripping rod connected to each other, a buckle is provided at one end of the pop-up rod, and the gripping rod is located on the side of the backrest plate; the sleeve is arranged on the backrest plate along the left and right directions, and the pop-up rod is slidably connected with the sleeve and extends to the center of the backrest plate; the latch is axially slidably connected with the backrest plate, the latch and the pop-up rod are arranged vertically, and a push piece is provided on the latch; the sliding shaft is arranged on the backrest plate and is located between the pop-up rod and the latch, the sliding shaft is parallel to the latch, the sleeve is sleeved on the sliding shaft and slides relative to the sliding shaft, a fixing piece and a lock buckle are provided on the sleeve, the push piece cooperates with the fixing piece, and the buckle cooperates with the lock buckle; a spring is sleeved on the pop-up rod and is located in the sleeve to push the pop-up rod outward, and the other spring is sleeved on the sliding shaft to push the lock buckle toward the buckle; The latch is pushed and the latch slides axially, driving the sleeve to slide through the push plate and the fixing plate, causing the lock catch to leave the buckle and the ejection rod to pop outward.
2. An armrest pop-up device according to claim 1, characterized in that: There are two handrails, each of which includes two pop-up rods and a gripping rod, and the two pop-up rods are perpendicular to the gripping rod; there are two sleeves, each of which is provided with two lock buckles, which cooperate with the buckles of the two pop-up rods of the same handrail; There are six springs, two sliding shafts, and four sleeves; the four sleeves are all arranged on the backrest plate in the left-right direction, and the four sleeves are located in pairs on the same axial direction; the grasping rods of the two armrests are respectively arranged on the left and right sides of the backrest plate, and the four pop-up rods are respectively slidably connected with the four sleeves; the two sliding shafts are both arranged on the backrest plate and are respectively located on the left and right sides of the pin; the two sleeves are respectively sleeved on the two sliding shafts; two of the six springs are respectively sleeved on the two sliding shafts, and the other four springs are respectively sleeved on the four pop-up rods; the number of push plates and fixed plates is two, the two push plates are symmetrically arranged on the pin, the two fixed plates are respectively arranged on the two sleeves, and the two push plates cooperate with the two fixed plates respectively.
3. The armrest pop-up device according to claim 1, characterized in that: The sleeve is provided with a limiting groove in the axial direction, and the length of the limiting groove is equal to the distance that the armrest pops out to the outside of the backrest plate; the outer wall of the pop-up rod is provided with a limiting nail that cooperates with the limiting groove.
4. The armrest pop-up device according to claim 1, characterized in that: The two springs on the two sliding shafts are symmetrically arranged, the two sleeves are symmetrically arranged, the two sliding shafts are symmetrically arranged, the two sleeves in the same axial direction are symmetrically arranged, and the two handrails are symmetrically arranged.
5. The armrest pop-up device according to claim 1, characterized in that: The backrest panel is the front backrest panel located in front of the passenger.
6. The armrest pop-up device according to claim 1, characterized in that: The cross-sections of the buckle and the lock are both triangular; the inner side of the buckle and the outer side of the lock are both inclined surfaces, so that when the armrest is reset inward, the inner inclined surface of the buckle pushes the outer inclined surface of the lock in the axial direction, so that the buckle enters the inner side of the lock.
7. A motorcycle tail rack, characterized in that: It comprises a tail frame, a backrest plate, a rotating device and an armrest pop-up device as described in any one of claims 1 to 6; wherein the rotating device is arranged on the tail frame, the backrest plate is arranged on the tail frame through the rotating device, and the armrest pop-up device is arranged on the backrest plate; the rotating device comprises a torsion spring, a fixed shaft and an unlocking mechanism, and the end of the backrest plate is a swivel; the fixed shaft is installed on the tail frame, the swivel is sleeved on the fixed shaft and rotates around the fixed shaft, so that the backrest plate rotates between a folded position and an unfolded position; the torsion spring that bounces the backrest plate to the unfolded position is sleeved on the fixed shaft, and the unlocking mechanism that engages or releases the swivel and the fixed shaft is installed on the fixed shaft.
8. A motorcycle tail rack according to claim 7, characterized in that: The unlocking mechanism comprises a button, a connecting piece, a pin shaft, a first toothed disk, a second toothed disk, a limiting plate and a first spring; the first toothed disk, the second toothed disk, the first spring and the limiting plate are sequentially sleeved on the fixed shaft and are located between the two rotating rings of the backrest plate, the first toothed disk is fixedly connected to one of the rotating rings, the limiting plate is fixedly connected to the fixed shaft, and the first spring presses the second toothed disk toward the first toothed disk; the surface of the fixed shaft is provided with a sliding groove in an axial direction, and the interior of the fixed shaft is provided with a cavity in an axial direction, and the cavity is connected with the sliding groove; a through hole is provided in the radial direction of the second toothed disk, and the pin shaft is connected with the through hole of the second toothed disk and extends into the sliding groove; the button, the connecting piece and the pin shaft are connected in sequence, the connecting piece is located in the cavity, and the button is located outside the cavity; when the button is pressed, the button drives the pin shaft to slide axially along the sliding groove through the connecting piece, the pin shaft drives the second toothed disk to slide axially, the second toothed disk leaves the first toothed disk, and the rotating ring is released from the fixed shaft.
9. A motorcycle tail rack according to claim 7, characterized in that: It also includes a limiting mechanism, and a radially oriented latch hole is provided on the fixed shaft; The limiting mechanism includes a latch, a first fixing sleeve, a second fixing sleeve, a limiting block, an arc groove and a second spring; the first fixing sleeve and the second fixing sleeve are both fixedly connected to the backrest plate, and the latch passes through the first fixing sleeve and the second fixing sleeve; the second spring sleeve that pushes the head of the latch toward the fixed axis is connected to the latch; The limit block is arranged on the tail frame, the arc groove is arranged on the swivel, the limit block is rotatably connected with the arc groove, and the size range of the arc groove is the rotation range of the backrest plate; When the backrest board is in the unfolded position, the latch is pushed into the latch hole to lock the backrest board and the fixed shaft; pull the tail of the latch, the latch moves out of the latch hole, and the backrest board and the fixed shaft are unlocked.
10. A motorcycle tail rack according to claim 7, characterized in that: The unlocking mechanism includes a paddle, a first toothed disk, a second toothed disk, a limiting plate and a first spring; the first toothed disk, the second toothed disk, the first spring and the limiting plate are sequentially sleeved on the fixed shaft and located between the two rotating rings of the backrest plate, the first toothed disk is fixedly connected to one of the rotating rings, the limiting plate is fixedly connected to the fixed shaft, and the first spring presses the second toothed disk toward the first toothed disk; the paddle is arranged in the radial direction of the second toothed disk, and when the paddle is pulled, the paddle drives the second toothed disk to slide axially, the second toothed disk leaves the first toothed disk, and the rotating ring is released from the fixed shaft.