Button unlocking mechanism, control mechanism and armrest

Abstract

The invention relates to the field of automobile armrests, in particular to a button unlocking mechanism, a control mechanism and an armrest, the button unlocking mechanism comprises a button seat fixed in an armrest shell, a button slidably located on the button seat and an elastic part used for resetting the button, and the button is connected with a driving block. According to the scheme, a long-distance recliner control mode different from the prior art is designed, and the recliner can be unlocked by holding the handrail.

Description

Technical Field

[0001] The invention relates to the field of automobile armrests, and in particular to a button unlocking mechanism, a control mechanism and an armrest. Background Art

[0002] In the prior art, the armrest of a car seat is rotatably arranged on the side of the car seat, and a recliner is connected between one end of the armrest rotatably connected to the car seat and the car seat. The angle of the armrest can be adjusted by the recliner. When the recliner is in a locked state, the recliner is locked on the rotating shaft of the armrest, and the armrest cannot rotate on the seat. When the recliner is in an unlocked state, the recliner can rotate on the rotating shaft of the armrest, and the armrest can rotate on the seat to achieve angle and position adjustment.

[0003] For example, a Chinese invention patent authorization publication number CN112248893B discloses a car seat side armrest, which includes a recliner, a fastener, a frame, a buckle, a zipper and a handle. The handle is connected to the recliner through the zipper. When unlocking is required, the handle is pulled, the handle pulls the zipper, and the zipper pulls the pawl to disengage it from the ratchet to achieve unlocking.

[0004] For another example, Chinese invention patent publication number CN113771714A discloses a car and a car seat armrest with a recliner, wherein the car seat armrest with a recliner comprises: an armrest body, an armrest base and a recliner assembly; the armrest base is used to be set on the car body or the seat basin; the armrest body can be rotatably mounted on the armrest base through the recliner assembly; an unlocking handle is provided on the recliner, and the recliner can be unlocked by driving the unlocking handle to move in the unlocking direction.

[0005] Regarding the Chinese invention patent publication number CN113771714A, the patent does not specifically disclose how to drive the unlocking handle. Since the angle adjuster is located at the rear end of the armrest, and the driver and passenger sit on the seat with their hands at the front end of the armrest, if the hand is placed at the rear end of the armrest to directly operate the unlocking handle, the operating convenience is obviously not good.

[0006] For the Chinese invention patent authorization announcement number CN112248893B, although the control of the recliner at a long distance can be achieved by pulling the handle, when the hand rotates the armrest, the hand holds the armrest on the one hand, and the fingers also need to pull the handle at the same time, which may be inconvenient and uncomfortable to operate. As people have diversified demands for car interior operations, people's control of the recliner is not limited to the control of the handle, so it is necessary to explore and study other recliner control methods to meet the control habits and needs of different people. Summary of the invention

[0007] The present invention is intended to provide a button unlocking mechanism, a control mechanism and an armrest, so as to design a recliner control method which is different from the prior art and has a longer distance, and the recliner can be unlocked by holding the armrest.

[0008] To achieve the above objectives, the present invention adopts the following technical solution: a button unlocking mechanism, including a button seat fixed in an armrest housing, a button sliding on the button seat, and an elastic member for resetting the button, wherein a driving block is connected to the button.

[0009] To achieve the above-mentioned object, the present invention also adopts the following technical solution: the control mechanism includes a pulling mechanism and a button unlocking mechanism of the present application; The pulling mechanism includes a rotating member and a rotating seat for fixing in the armrest shell, the rotating member is rotatably connected to the rotating seat, one end of the rotating member is a pulling end for connecting to a cable connected to the angle adjuster, and the other end of the rotating member is a driving end driven by a button unlocking mechanism; a torsion spring is connected between the rotating member and the rotating seat; and the driving end and the driving block are against each other.

[0010] To achieve the above-mentioned object, the present invention also adopts the following technical solution: an armrest, comprising an armrest housing, a recliner and a control mechanism of the present application; The pulling mechanism is placed inside the armrest shell, and the rotating seat is fixed inside the armrest shell; The button unlocking mechanism is placed in the armrest housing, and the pressing end of the button is exposed from the armrest housing; A cable is connected between the angle adjuster and the driving end.

[0011] The principle and advantage of this solution are: when adjusting the angle of the armrest, the hand holds the armrest, and the finger can press on the pressing end of the button while holding it. The button slides on the button seat under the pressing action of the finger, and the button drives the driving block to move. The driving block drives the driving end of the rotating member, so that the rotating member rotates on the rotating seat, and the pulling end of the rotating member swings, and the pulling end pulls the cable, and the cable pulls the angle adjuster to unlock the angle adjuster, so that the armrest can rotate on the seat, thereby realizing the adjustment of the armrest angle.

[0012] When the angle of the armrest is adjusted, the armrest is released, the button is no longer pressed by the hand, the elastic member resets the button, the button slides in the opposite direction on the button seat, the drive block moves in the opposite direction, the rotating member rotates in the opposite direction and resets under the elastic force of the torsion spring, the pulling end of the rotating member no longer pulls the cable, the cable no longer pulls the angle adjuster, and the angle adjuster returns to the locked state, so that the armrest is locked on the seat, the angle of the armrest is fixed, and the armrest will not rotate arbitrarily on the seat.

[0013] The solution of this application has the following beneficial effects: 1. The armrest in the present application cooperates with a button unlocking mechanism and a pulling mechanism. When a button is pressed at the front end or the middle part of the armrest, the button unlocking mechanism drives the pulling mechanism to operate, and the pulling mechanism pulls the cable. The cable pulls the recliner to unlock the recliner, thereby realizing long-distance control of the recliner. There is no need to place the hand at the rear end of the armrest to control the recliner, which improves the convenience of adjusting the recliner.

[0014] 2. The present application discloses a control method for unlocking the recliner by pressing. When the recliner needs to be unlocked, the user only needs to press the button. Compared with the prior art method of controlling the unlocking of the recliner by pulling the handle, an additional unlocking operation method of the recliner is provided, making the unlocking method of the recliner more diversified in the market and able to meet the control habits and needs of different people.

[0015] 3. When the armrest is rotated and adjusted, the hand is held on the armrest. While holding the armrest, the finger can be applied to the button and the button can be pressed to unlock the recliner. Then the hand can rotate the armrest. Compared with the method of pulling the buckle hand in the prior art, the operation is smoother and more convenient.

[0016] Preferably, as an improvement to the button unlocking mechanism, a slot is provided on the button seat, the button is inserted into the slot, a through hole is provided on the side of the button seat, the through hole is connected to the slot, the drive block is slidably located on the outside of the button seat, and a connecting component passing through the through hole is provided between the drive block and the button.

[0017] Thus, by inserting the button into the slot, the button can slide in the slot, thereby realizing a sliding connection between the button and the button seat. The button is inserted into the button seat, and compared with the button being arranged on the outside of the button seat, the button and the button seat are assembled more compactly and save space. The through hole enables the slot inside the button seat to communicate with the outside of the button seat, and the drive block is placed on the outside of the button seat. The connecting component passes through the through hole to connect the drive block and the button.

[0018] Preferably, as an improvement of the button unlocking mechanism, a sliding groove is provided on the inner wall of the slot, and a sliding portion is provided on the side wall of the button, and the sliding portion is located in the sliding groove.

[0019] Thus, the sliding part cooperates with the sliding groove to realize the sliding of the button in the slot. In this way, the button is located in the slot, and only the side surface of the sliding part needs to contact the inner wall of the sliding groove, and the other side walls of the button may not contact the inner wall of the slot. This helps to reduce the contact area between the button and the inner wall of the button seat slot, thereby reducing the friction between the button and the button seat, making it easier for fingers to press the button.

[0020] Preferably, as an improvement to the button unlocking mechanism, the elastic member is a compression spring, a fixing column is provided at the bottom of the slot, one end of the elastic member is sleeved on the fixing column, a fixing hole is provided at one end of the button located in the slot, and the other end of the elastic member is located in the fixing hole.

[0021] Preferably, as an improvement of the pulling mechanism, a limiting pressure piece is provided on a side of the rotating member away from the rotating seat, and a fixing piece is connected between the limiting pressure piece and the rotating seat.

[0022] Thus, the fixing member fixes the limiting pressing member on the rotating seat, and the limiting pressing member presses the rotating member on the rotating seat, thereby achieving fixation of the rotating member on the rotating seat, and the rotating member will not fall off when rotating on the rotating seat.

[0023] Preferably, as an improvement of the pulling mechanism, a circular placement groove is provided on a side of the rotating member away from the rotating seat, and the limiting pressure member is placed in the placement groove; a seat hole is provided on the rotating member, and the end of the rotating seat is inserted into the seat hole, and the rotating seat and the rotating member are rotatably connected through the cooperation of the seat hole and the end of the rotating seat; the fixing member passes through the seat hole and is connected to the rotating seat.

[0024] Therefore, the placement groove plays a role in accommodating the limit pressure piece, and when the limit pressure piece and the rotating piece are assembled, the placement groove plays a role in positioning the limit pressure piece. The fixed piece passes through the seat hole and is connected to the rotating seat, and the fixed piece will not affect the rotation of the rotating piece.

[0025] Preferably, as an improvement of the pulling mechanism, the rotating member is clearance-fitted between the limiting pressure member and the rotating seat.

[0026] The clearance fit in this solution is beneficial to reducing the friction between the rotating member and the rotating seat, and between the rotating member and the limiting pressure member, so that the rotating member can rotate more smoothly on the rotating seat.

[0027] Preferably, as an improvement of the pulling mechanism, the gap between the pressing surface of the limiting pressing member and the pressed surface of the rotating member is 0.05-0.1 mm; the gap between the pressing surface of the rotating member and the pressed surface of the rotating seat is 0.05-0.1 mm.

[0028] Preferably, as an improvement of the button unlocking mechanism, a rotatable cylinder is provided on the outer side of the button seat, a slide groove is provided on the surface of the cylinder, a slide rod is fixedly connected to the side of the button, the slide rod is slidably connected to the button seat, and the slide rod is inserted into the slide groove; the slide groove includes a first sliding part, a second sliding part and a clamping part, the first sliding part and the second sliding part are both inclined, the top end of the first sliding part is connected to the top end of the second sliding part, the bottom end of the first sliding part is connected to the bottom end of the second sliding part, the clamping part is located between the top end of the first sliding part and the bottom end of the first sliding part, and the clamping part is located on the upper inner wall of the first sliding part.

[0029] Thus, when the button is pressed, the button slides on the button seat, the button drives the slide bar to slide on the button seat, the end of the slide bar slides in the slide groove of the cylinder, the cylinder and the slide bar constitute a cylindrical cam mechanism, and when the slide bar slides in the slide groove, the slide bar drives the cylinder to rotate. When the button is pressed, the slide bar first slides along the first sliding part from the top of the first sliding part, the slide bar moves to the bottom of the clamping part, and then the button is released, the button moves in the opposite direction under the action of the elastic member, the button drives the slide bar to move in the opposite direction, the slide bar moves to the clamping part and is stuck in the clamping part, the button cannot continue to reset under the elastic force of the elastic member, thereby achieving the locking of the button, at this time, the driving block on the button continues to press the driving end, the pulling end continues to pull the cable, the angle adjuster continues to be pulled by the cable, and the angle adjuster continues to be in an unlocked state, so when the armrest is rotated, the finger does not need to continue to press the button, and only needs to press the button once, which is simple and convenient to operate.

[0030] When the armrest needs to be locked, continue to press the button to further squeeze the elastic member, the button drives the sliding rod to disengage from the clamping part, the sliding rod moves to the bottom end of the first sliding part, and then release the button. The button is reset under the action of the elastic member. Since the bottom end of the first sliding part is connected to the bottom end of the second sliding part, the button drives the sliding rod to slide from the bottom end of the second sliding part to the top end of the second sliding part, so that the button is completely reset, the driving block no longer has a pressing force on the driving end, the pulling end no longer pulls the cable, the cable no longer pulls the angle adjuster, and the angle adjuster returns to a locked state.

[0031] Preferably, as an improvement of the button unlocking mechanism, the inner wall of the clamping portion is provided with an arcuate surface and a guide bevel surface, the arcuate surface and the guide bevel surface are connected, and the guide bevel surface is located on the top side of the arcuate surface facing the first sliding portion.

[0032] Therefore, pressing the button moves the slide bar to the bottom of the clamping portion. When the slide bar moves upward to the clamping portion, the slide bar first enters the guide inclined surface, and then enters the arc surface along the guide inclined surface. The shape of the arc surface is adapted to the arc outer wall of the slide bar, thereby making the slide bar more stably clamped in the clamping portion.

[0033] Preferably, as an improvement of the button unlocking mechanism, a limiting block is fixedly connected to the lower inner wall of the first sliding portion, and the limiting block is located below the guiding inclined surface.

[0034] As a result, the slide bar slides in the first sliding part and moves to the limit block. The limit block has resistance to the slide bar. At this time, the pressing person cannot continue to press the button, preventing the slide bar from moving directly to the bottom of the first sliding part. After the pressing person feels that the button cannot be pressed or feels the resistance of pressing, he releases the button. The button moves in the opposite direction under the elastic force of the elastic member. The button drives the slide bar to move to the guide bevel. The slide bar enters the arc surface under the guidance of the guide bevel. The setting of the guide bevel enables the slide bar to accurately enter the arc surface.

[0035] Since the limit block is opposite to the guide inclined surface, the limit block is not opposite to the curved surface, and the sliding rod is not opposite to the limit block, when the button is pressed again, the sliding rod located on the curved surface moves downward to the bottom end of the first sliding part, and the limit block will not hinder the sliding rod from moving toward the bottom end of the first sliding part.

[0036] Preferably, as an improvement of the button unlocking mechanism, a first card block close to the bottom end of the first sliding part is provided on the lower inner wall of the first sliding part, and a second card block close to the top end of the second sliding part is provided on the inner wall of the second sliding part, and inclined surfaces are provided on the first card block and the second card block, and an end of the first card block facing the top end of the first sliding part is a low end, and an end of the first card block facing the bottom end of the first sliding part is a high end; an end of the second card block facing the bottom end of the second sliding part is a low end, and an end of the second card block facing the top end of the second sliding part is a high end, and the first card block and the second card block enable the sliding rod to move unidirectionally in the sliding groove.

[0037] Thus, the first block is set so that when the slide bar moves to the bottom of the first sliding part, after the slide bar passes through the first block smoothly, the first block blocks the slide bar from moving in the first sliding part in the opposite direction, and the first block can ensure that the slide bar moves unidirectionally into the second sliding part. Similarly, the second block is set so that when the slide bar moves to the top of the second sliding part, after the slide bar passes through the second block smoothly, the second block blocks the slide bar, and the second block can ensure that the slide bar moves unidirectionally into the first sliding part, and prevents the slide bar from moving in the opposite direction in the second sliding part. Thus, by setting the first block and the second block in the slide groove, the unidirectional movement of the slide bar in the slide groove is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 This is a three-dimensional diagram of the handrail.

[0039] Figure 2 for Figure 1 Top view of the armrest (the armrest does not include the cover in the figure).

[0040] Figure 3 for Figure 2 Sectional view of AA.

[0041] Figure 4It is a three-dimensional diagram of the control mechanism, cables and angle adjuster in the armrest shell.

[0042] Figure 5 It is a three-dimensional diagram of the armrest seat, which mainly illustrates the rotating seat in the armrest seat.

[0043] Figure 6 A three-dimensional diagram of the control mechanism.

[0044] Figure 7 It is a three-dimensional diagram of the control mechanism, which mainly illustrates the structure of the button unlocking mechanism.

[0045] Figure 8 It is a three-dimensional diagram of the control mechanism, which mainly illustrates the structure of the pulling mechanism.

[0046] Fig. 9 This is a schematic diagram of the structure of the button seat and button in Example 2.

[0047] Fig.10 for Fig. 9 The schematic diagram of the circumferential side of the right cylinder shows the state where the slide bar slides downward in the first sliding part.

[0048] Fig.11 for Fig. 9 The schematic diagram of the circumferential side of the cylinder on the right shows the state of the slide bar moving to the guide slope.

[0049] Fig.12 for Fig. 9 The schematic diagram of the circumferential side of the cylinder on the right shows the state of the slide bar moving to the arc surface.

[0050] Fig.13 for Fig. 9 The schematic diagram of the circumferential side of the cylinder on the right shows the state of the slide bar leaving the curved surface.

[0051] Fig.14 for Fig. 9 The schematic diagram of the circumferential side of the right cylinder shows the state where the slide bar moves to the bottom end of the first sliding part after passing through the first blocking block. DETAILED DESCRIPTION

[0052] The following is further described in detail through specific implementation methods: The figure marks in the drawings of the specification include: cover body 1, armrest seat 2, button 3, rotating seat 4, torsion spring 5, rotating member 6, limiting pressure member 7, fixing member 8, rotating shaft 9, fixing groove 10, wire groove 11, clamping block 12, end 13, screw hole 14, screw column 15, button seat 16, fixing column 17, elastic member 18, driving block 19, driving end 20, clamping block 21, sliding part 22, sliding groove 23, fixing screw 24, cable 25, adjuster 26, first pressed surface 27, placement groove 28, unlocking handle 29, support plate 30, cylinder 31, sliding rod 32, sliding groove 33, first sliding part 34, second sliding part 35, clamping part 36, limiting block 37, first clamping block 38, second clamping block 39.

[0053] Example 1 Basically as attached Figure 1-Figure 8 shown.

[0054] This embodiment discloses an armrest, including an armrest shell, a recliner 26, and a control mechanism. The armrest shell includes an armrest seat 2 and a cover body 1 that covers and clamps on the top of the armrest seat 2. A space is provided inside the armrest shell. The control mechanism and the recliner 26 are both installed in the armrest shell. The recliner 26 is installed at the rear end of the armrest shell. The rear end of the armrest shell is connected to the car seat through a rotating shaft 9. The rotating shaft 9 is fixed to the car seat. The rotating shaft 9 and the recliner 26 are rotatably connected. When the recliner 26 is locked, the recliner 26 and the rotating shaft 9 are locked together, and the armrest cannot rotate on the seat. When the recliner 26 is unlocked, the recliner 26 can rotate relative to the rotating shaft 9, and the armrest can rotate around the rotating shaft 9 on the seat. The recliner 26 in the present application is not an improvement of the present patent. The recliner 26 is relatively mature and is more commonly found on seats. Therefore, the present embodiment does not specifically describe the structure and principle of the recliner 26. The recliner 26 adopts the existing recliner 26 structure, such as the recliners disclosed in the two existing patents in the background technology.

[0055] Compared with the prior art, the main improvement of this embodiment lies in the structure of the control mechanism. The control mechanism in this embodiment includes a button unlocking mechanism and a pulling mechanism.

[0056] Combination Figure 4 , Figure 6-Figure 8 As shown, the button unlocking mechanism in this embodiment includes a button seat 16 (combined with a button seat 16) for fixing in the armrest housing. Figure 5 As shown, the specific way in which the button seat 16 is fixed in the armrest shell is: a screw column 15 is provided inside the armrest seat 2, and the button seat 16 is fixed on the screw column 15 by screws), a button 3 slidingly located on the button seat 16 and an elastic member 18 for resetting the button 3, and a driving block 19 is connected to the button 3.

[0057] The specific sliding mode of the button 3 and the button seat 16 is: Figure 7 As shown, the button seat 16 is provided with a slot for inserting the button 3, the button 3 is inserted into the slot, the side of the button seat 16 is provided with a through hole, the through hole and the slot are connected, the driving block 19 is slidably located on the outside of the button seat 16, and a connecting component passing through the through hole is provided between the driving block 19 and the button 3. The connecting component in this embodiment includes a clamping block 21, the clamping block 21 is integrally formed on the button 3, the button 3 is assembled in the slot, the clamping block 21 is located in the through hole, and the side of the driving block 19 facing the button seat 16 is provided with a clamping hole that matches the clamping block 21, so that the driving block 19 is placed on the side of the button seat 16, the clamping block 21 is clamped into the clamping hole, and the driving block 19 is fixed to the clamping block 21 by a fixing screw 24. As a result, the movement of the button 3 can drive the movement of the driving block 19.

[0058] In other embodiments, in order to reduce the sliding friction of the outer wall of the button 3 in the inner wall of the slot, a strip-shaped sliding groove 23 is provided on the inner wall of the slot, and a sliding portion 22 (the sliding portion 22 is strip-shaped) is integrally provided on the side wall of the button 3, and the sliding portion 22 is located in the sliding groove 23, so that the button 3 is in the slot, and the sliding portion 22 slides in the sliding groove 23, thereby realizing the sliding of the button 3 in the button seat 16. When the sliding portion 22 and the sliding groove 23 are coordinated to realize the sliding of the button 3 on the button seat 16, in addition to the side of the sliding portion 22 contacting the inner wall of the sliding groove 23, there is a gap between the outer wall of the button 3 and the inner wall of the slot, so that the outer wall of the entire button 3 will not be in close contact with the inner wall of the slot, and only the side wall of the sliding portion 22 is in contact with the inner wall of the sliding groove 23, which is beneficial to reducing the contact friction area between the button 3 and the inner wall of the jack, thereby reducing the sliding resistance, and the button 3 slides more smoothly in the slot.

[0059] The elastic member 18 in this embodiment is a compression spring, and a fixing column 17 is integrally provided at the bottom end of the slot. One end 13 of the elastic member 18 is sleeved on the fixing column 17. A fixing hole is provided at one end of the button 3 located in the slot, and the other end of the elastic member 18 is located in the fixing hole. Therefore, after pressing the button 3, the button 3 squeezes the elastic member 18, and the elastic member 18 accumulates force. After releasing the button 3, the button 3 can be reset under the action of the elastic member 18.

[0060] Combination Figure 1 As shown, the pressing end of the button 3 is located outside the armrest base 2 and is exposed.

[0061] The pulling mechanism in this embodiment is placed in the armrest housing. The pulling mechanism includes a rotating member 6 and a rotating seat 4 for fixing in the armrest housing, Figure 2 and Figure 5 As shown, the rotating seat 4 is integrally formed inside the armrest seat 2 .

[0062] The rotating member 6 is rotatably connected to the rotating seat 4. The specific rotatable connection method is as follows: the end 13 of the rotating seat 4 is circular, and a screw hole 14 is provided at the center of the end 13 of the rotating seat 4; a seat hole is provided on the rotating member 6, and the shape of the seat hole is circular. The end 13 of the rotating seat 4 is inserted into the seat hole, and the end 13 of the rotating seat 4 and the seat hole are rotatably matched. Figure 3 and Figure 8 As shown, a limiting pressure piece 7 is provided on one side of the rotating member 6 away from the rotating seat 4, and a circular placement groove 28 is provided on the side of the rotating member 6 away from the rotating seat 4. The limiting pressure piece 7 is circular and is placed in the placement groove 28. A fixing piece 8 is connected between the limiting pressure piece 7 and the rotating seat 4. The fixing piece 8 is specifically a screw. The fixing piece 8 is connected to Figure 5 Thus, the limit pressing member 7 limits the rotation member 6, and when the rotation member 6 rotates on the rotation seat 4, the rotation member 6 will not fall off from the rotation seat 4.

[0063] In order to make the rotating member 6 rotate smoothly on the rotating seat 4, the rotating member 6 and the rotating seat 4 in this embodiment are clearance-matched. Specifically, Figure 5 As shown, the rotating seat 4 is provided with a first pressed surface 27, the rotating member 6 is provided on the rotating seat 4, the side of the rotating member 6 facing the first pressed surface 27 is the first pressing surface, and the gap between the first pressing surface and the first pressed surface 27 is 0.05-0.1mm; the rotating member 6 and the limiting pressing member 7 in this embodiment are clearance matched, specifically, the bottom surface of the placement groove 28 is the second pressed surface, the side of the limiting pressing member 7 facing the bottom surface of the placement groove 28 is the second pressing surface, and the gap between the second pressing surface and the second pressed surface is 0.05-0.1mm. Therefore, with the above clearance matching setting, the limiting pressing member 7 will not crush the rotating member 6 to death, and when the rotating member 6 rotates on the rotating seat 4, the friction between the rotating member 6 and the first pressed surface 27 and between the rotating member 6 and the limiting pressing member 7 is small, which is conducive to improving the smoothness of the rotation of the rotating member 6.

[0064] Combination Figure 6 As shown, one end of the rotating member 6 is a driving end 20, and the driving end 20 and the driving block 19 are against each other. Figure 8As shown, the other end of the rotating member 6 is a pulling end for connecting with the cable 25 connected to the recliner 26. The cable 25 and the pulling end are specifically connected as follows: the pulling end is provided with a circular fixing groove 10 and an L-shaped wire groove 11, the wire groove 11 is located at the side of the fixing groove 10, one side of the L-shape of the wire groove 11 is in the same direction as the axial direction of the fixing groove 10, and the wire groove 11 is connected to the fixing groove 10. A cylindrical block 12 is fixed on the line of the cable 25. The block 12 is inserted into the fixed groove 10, and the line of the cable 25 is inserted into the wire groove 11 (specifically, inserted into one side of the L-shape coaxial with the wire groove 11 and the fixed groove 10). Since the wire groove 11 is L-shaped, after the block 12 is placed in the fixed groove 10, the block 12 can rotate in the fixed groove 10, and the line of the cable 25 can also move in the wire groove 11, so that the line of the cable 25 moves from one side of the L-shape of the wire groove 11 to the other side of the L-shape. The line of the cable 25 is stuck in the inner wall of the wire groove 11, and the block 12 is not easy to axially disengage from the fixed groove 10.

[0065] A torsion spring 5 is connected between the rotating member 6 and the rotating seat 4 .

[0066] Combination Figure 4 As shown, the angle adjuster 26 is provided with an unlocking handle 29 , and the unlocking handle 29 is connected to an end of the cable 25 away from the rotating member 6 .

[0067] The specific implementation process is as follows: when adjusting the angle of the armrest, the hand holds the armrest, and the finger can press on the pressing end 13 of the button 3 while holding it. The button 3 slides on the button seat 16 under the pressing action of the finger, and the button 3 squeezes the elastic member 18. The button 3 drives the driving block 19 to move, and the driving block 19 drives the driving end 20 of the rotating member 6, so that the rotating member 6 rotates on the rotating seat 4, the torsion spring 5 accumulates force, and the pulling end of the rotating member 6 swings, and the pulling end pulls the cable 25, and the cable 25 pulls the unlocking handle 29 on the angle adjuster 26, so that the angle adjuster 26 is unlocked, and at the same time, the hand pushes the armrest to swing on the car seat, and the armrest can rotate on the seat, thereby realizing the adjustment of the armrest angle.

[0068] When the armrest angle is adjusted, the armrest is released, the button 3 is no longer pressed by the hand, the elastic member 18 resets the button 3, the button 3 slides in the opposite direction on the button seat 16, the drive block 19 moves in the opposite direction, and the rotating member 6 rotates in the opposite direction and resets under the elastic force of the torsion spring 5. The pulling end of the rotating member 6 no longer pulls the cable 25, the cable 25 no longer pulls the angle adjuster 26, and the angle adjuster 26 returns to the locked state, so that the armrest is locked on the seat, the armrest angle is fixed, and the armrest will not rotate arbitrarily on the seat.

[0069] Example 2 Combination Figure 9-14As shown, the difference between this embodiment and embodiment 1 is that two support plates 30 are integrally fixed on the left and right sides of the button seat 16, and a rotatable cylinder 31 is provided on both sides of the button seat 16. The cylinder 31 is located between the two support plates 30, and the end 13 of the cylinder 31 rotates with the support plate 30 through the cooperation of the shaft.

[0070] A slide groove 33 is provided on the surface of the cylinder 31, and a slide rod 32 is fixedly connected (for example, fixed as one piece or fixed by screws) on both sides of the button 3. The slide rod 32 is slidably connected to the button seat 16. The specific sliding connection method is: a bar hole connected to the slide groove 23 is provided on the left and right sides of the button seat 16, and the slide rod 32 passes through the bar hole, and the end of the slide rod 32 is inserted into the slide groove 33.

[0071] Combination Fig.10 As shown, Fig.10 for Fig. 9 The schematic diagram of the unfolded circumferential side of the cylinder 31 on the right side in the middle, the slide groove 33 in this embodiment includes a first sliding portion 34, a second sliding portion 35 and a clamping portion 36, the first sliding portion 34 and the second sliding portion 35 are both inclined, the top of the first sliding portion 34 on the side of the cylinder 31 is connected to the top of the second sliding portion 35, and the bottom of the first sliding portion 34 is connected to the bottom of the second sliding portion 35, so that the first sliding portion 34 and the second sliding portion 35 are connected in the Fig.10 The middle connection is V-shaped, and the clamping portion 36 is located between the top end of the first sliding portion 34 and the bottom end of the first sliding portion 34 . The clamping portion 36 is located on the upper inner wall of the first sliding portion 34 .

[0072] The inner wall of the clamping portion 36 in this embodiment is provided with an arc surface and a guide inclined surface. The arc surface is in the shape of an arc. The shape of the arc surface matches the shape of the circumferential side surface of the sliding rod 32. The arc surface and the guide inclined surface are connected. The guide inclined surface is located on the top side of the arc surface facing the first sliding portion 34, that is, the guide inclined surface is located on the left side of the arc surface in the figure, the left end of the guide inclined surface is the low end, and the right end is the high end.

[0073] In this embodiment, a limit block 37 is fixedly connected (for example, bonded, integrally fixed or snapped) to the lower inner wall of the first sliding portion 34. The limit block 37 is located below the guide slope. The height of the limit block 37 is set according to the diameter of the sliding rod 32 so that the limit block 37 can effectively hinder the sliding rod 32 from sliding to the limit block 37.

[0074] A first block 38 close to the bottom end of the first sliding portion 34 is provided on the lower inner wall of the first sliding portion 34, and a second block 39 close to the top end of the second sliding portion 35 is provided on the inner wall of the second sliding portion 35. Both the first block 38 and the second block 39 are provided with inclined surfaces, and the end of the first block 38 facing the top end of the first sliding portion 34 is the low end, and the end of the first block 38 facing the bottom end of the first sliding portion 34 is the high end; the end of the second block 39 facing the bottom end of the second sliding portion 35 is the low end, and the end of the second block 39 facing the top end of the second sliding portion 35 is the high end.

[0075] In this embodiment, the first clamping block 38 and the second clamping block 39 are used to make the slide bar 32 move unidirectionally in the slide groove 33. The first clamping block 38 and the second clamping block 39 can be made of elastic material, for example, the first clamping block 38 and the second clamping block 39 are both made of rubber material. In this case, the first clamping block 38 and the second clamping block 39 are bonded, clamped or fixed in the slide groove 33 by screws. Therefore, when the slide bar 32 passes through the first clamping block 38, the slide bar 32 passes through the inclined surface of the first clamping block 38, and the slide bar 32 exerts pressure on the first clamping block 38, the first clamping block 38 is squeezed and contracted, and the slide bar 32 passes through the first clamping block 38 smoothly. After the slide bar 32 passes through the first clamping block 38, the first clamping block 38 recovers its deformation, and the plane of the first clamping block 38 prevents the slide bar 32 from retreating. Similarly, when the slide bar 32 passes through the second block 39, the slide bar 32 passes through the inclined surface of the second block 39, the slide bar 32 exerts pressure on the second block 39, the second block 39 is squeezed and contracted, and the slide bar 32 smoothly passes through the second block 39. After the slide bar 32 passes through the second block 39, the second block 39 recovers its deformation, and the plane of the second block 39 prevents the slide bar 32 from retreating. Thus, the one-way movement of the slide bar 32 is achieved.

[0076] Of course, in other embodiments, the first card block 38 and the second card block 39 can also realize the unidirectional movement of the slide bar 32 in the following manner. The first card block 38 and the second card block 39 are both made of hard materials. Since the first card block and the second card block are arranged in the same manner, the first card block 38 is taken as an example for description. Fig.10As shown, a block groove is provided on the cylinder 31, the top of the block groove is connected to the slide groove 33, the first block 38 is located in the block groove, and a compression spring is connected between the first block 38 and the bottom of the block groove. Therefore, when the slide bar 32 passes through the inclined surface of the first block 38, the slide bar 32 presses the first block 38, and the first block 38 retreats into the block groove. At this time, the first block 38 presses the compression spring, and the first block 38 does not hinder the slide bar 32 from moving to the bottom end of the first sliding part 34. When the slide bar 32 moves to the right side of the first block 38, the first block 38 is no longer squeezed by the slide bar, and the first block 38 is reset under the action of the compression spring, and the right plane of the first block 38 hinders the slide bar 32 from moving to the left. The setting method and principle of the second block 39 in the slide groove 33 are the same as the setting method and principle of the first block 38 in the slide groove 33, and this embodiment will not be repeated. Therefore, through the setting of the block groove, the first block 38 and the second block 39 are respectively slidably set in the block groove, and the one-way movement of the slide rod 32 is also achieved.

[0077] The operation process of this embodiment is described in detail below. When the button 3 is pressed, the button 3 slides on the button seat 16, and the button 3 drives the slide bar 32 to slide on the button seat 16. The end 13 of the slide bar 32 slides in the slide groove 33 of the cylinder 31. The cylinder 31 and the slide bar 32 constitute a cylindrical cam mechanism. When the slide bar 32 slides in the slide groove 33, the slide bar 32 drives the cylinder 31 to rotate. When the button 3 is pressed, the combination Fig.10 As shown in the figure, assuming that the slide bar 32 first starts to slide downward along the first slide part 34 from the top of the first slide part 34, the slide bar 32 moves to the limit block 37, and the limit block 37 blocks the slide bar 32 from sliding downward. At this time, the pressing person feels the pressing resistance and cannot press the button 3 downward any more. The pressing person releases the button 3, and the button 3 moves in the reverse direction under the action of the elastic member 18. The button 3 drives the slide bar 32 to move in the reverse direction, and the slide bar 32 moves upward to the guide inclined surface of the clamping part 36, that is, the slide bar 32 moves to the position shown in FIG. Fig.11 As shown in the figure, the elastic member 18 continues to exert elastic force on the button 3, and the slide bar 32 moves along the guide slope to the arc surface, that is, the slide bar 32 moves to the position as shown in the figure. Fig.12 In the position shown, the slide bar 32 is stably stuck in the arc surface of the clamping portion 36. At this time, the button 3 cannot be reset under the elastic force of the elastic member 18, so the button 3 is locked. At this time, the driving block 19 on the button 3 continues to press the driving end 20, the pulling end continues to pull the cable 25, and the recliner 26 continues to be pulled by the cable 25. At this time, the recliner 26 is continuously in an unlocked state. Therefore, when the armrest is rotated, the finger does not need to keep pressing the button 3, and only needs to press the button 3 once, which is simple and convenient to operate.

[0078] When the armrest needs to be locked, the button 3 is continuously pressed to further squeeze the elastic member 18, and the button 3 drives the slide bar 32 to disengage from the clamping portion 36, and the slide bar 32 moves downward to a position between the limit block 37 and the first clamping block 38, that is, the slide bar 32 moves to a position such as Fig.13 Continue to press the button 3, the slide bar 32 presses the first block 38, and the slide bar 32 moves to the bottom end of the first sliding portion 34 (as shown in FIG. Fig.14 As shown), the button 3 is then released and reset under the action of the elastic member 18. Since the bottom end of the first sliding portion 34 is connected to the bottom end of the second sliding portion 35 and the first blocking block 38 is provided, the slide bar 32 will not retreat in the first sliding portion 34. The button 3 drives the slide bar 32 to slide unidirectionally from the bottom end of the second sliding portion 35 to the top end of the second sliding portion 35, thereby completely resetting the button 3. The driving block 19 no longer has a pressing force on the driving end 20, the pulling end no longer pulls the cable 25, the cable 25 no longer pulls the recliner 26, and the recliner 26 returns to a locked state.

[0079] After the slide bar 32 moves to the top of the second sliding part 35, the slide bar 32 squeezes the second block 39, and the second block 39 will not prevent the slide bar 32 from sliding to the top of the second sliding part 35. The second block 39 has an obstructive effect on the slide bar 32 to prevent the slide bar 32 from retreating along the second sliding part 35 when the button 3 is pressed next time. The slide bar 32 can enter the first sliding part 34 again in one direction.

[0080] The above is only an embodiment of the present invention, and the common knowledge such as the known specific technical solutions and / or characteristics in the solution is not described in detail here. It should be pointed out that for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A button unlocking mechanism, characterized in that: The utility model comprises a button seat for fixing in an armrest housing, a button slidably located on the button seat and an elastic member for resetting the button, wherein the button is connected with a driving block.

2. A button unlocking mechanism according to claim 1, characterized in that: The button seat is provided with a slot, the button is inserted into the slot, the side of the button seat is provided with a through hole, the through hole is connected to the slot, the drive block is slidably located outside the button seat, and a connecting component passing through the through hole is provided between the drive block and the button.

3. A button unlocking mechanism according to claim 2, characterized in that: The inner wall of the slot is provided with a sliding groove, the side wall of the button is provided with a sliding part, and the sliding part is located in the sliding groove.

4. A button unlocking mechanism according to claim 2, characterized in that: The elastic member is a compression spring, a fixing column is provided at the bottom of the slot, one end of the elastic member is sleeved on the fixing column, one end of the button located in the slot is provided with a fixing hole, and the other end of the elastic member is located in the fixing hole.

5. A control mechanism, characterized in that: It comprises a pulling mechanism and a button unlocking mechanism as described in any one of claims 1 to 4; The pulling mechanism includes a rotating member and a rotating seat for fixing in the armrest shell, the rotating member is rotatably connected to the rotating seat, one end of the rotating member is a pulling end for connecting to a cable connected to the angle adjuster, and the other end of the rotating member is a driving end driven by a button unlocking mechanism; a torsion spring is connected between the rotating member and the rotating seat; the driving end and the driving block are against each other.

6. The control mechanism according to claim 5, characterized in that: A limiting pressing piece is provided on a side of the rotating member away from the rotating seat, and a fixing piece is connected between the limiting pressing piece and the rotating seat.

7. The control mechanism according to claim 6, characterized in that: A circular placement groove is provided on a side of the rotating member away from the rotating seat, and the limiting pressure member is placed in the placement groove; a seat hole is provided on the rotating member, and the end of the rotating seat is inserted into the seat hole, and the rotating seat and the rotating member are rotatably connected through the cooperation of the seat hole and the end of the rotating seat; the fixing member passes through the seat hole and is connected to the rotating seat.

8. The control mechanism according to claim 6, characterized in that: The rotating member is clearance-fitted between the limiting pressing member and the rotating seat.

9. The control mechanism according to claim 5, characterized in that: A rotatable cylinder is provided on the outer side of the button seat, a slide groove is provided on the surface of the cylinder, a slide rod is fixedly connected to the side of the button, the slide rod is slidably connected to the button seat, and the slide rod is inserted into the slide groove; the slide groove includes a first sliding part, a second sliding part and a clamping part, the first sliding part and the second sliding part are both inclined, the top end of the first sliding part is connected to the top end of the second sliding part, the bottom end of the first sliding part is connected to the bottom end of the second sliding part, the clamping part is located between the top end of the first sliding part and the bottom end of the first sliding part, and the clamping part is located on the upper inner wall of the first sliding part.

10. Armrest, characterized in that: It comprises an armrest housing, a recliner and a control mechanism as described in any one of claims 5 to 9; The pulling mechanism is placed in the armrest housing, and the rotating seat is fixed inside the armrest housing; The button unlocking mechanism is placed in the armrest housing, and the pressing end of the button is exposed from the armrest housing; A cable is connected between the angle adjuster and the driving end.

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