Lifting device with overturning function

Abstract

The utility model discloses a lifting device with a turnover function, which belongs to the technical field of lifting equipment and comprises a rail piece provided with an unlocking guide piece, a first sliding piece provided with a plunger latch, a second sliding piece provided with a lock body and a turnover support connected to the first sliding piece and the second sliding piece. When the plunger latch and the lock body are in an interlocking state, the first sliding piece and the second sliding piece synchronously slide to drive the overturning support to ascend and descend. When the plunger latch and the lock body are in an unlocking state, the first sliding piece and the second sliding piece can slide relatively to drive the overturning support to overturn. The first slider slides relative to the unlocking guide to guide the latch to unlock and maintain the latch in an unlocked position. According to the lifting device, the lifting driving requirement and the folding and unfolding driving requirement of the overturning support can be met at the same time only through one driving source, the automation and intelligence of the device are improved while the production cost is controlled, and the purchasing willingness and the use experience of a user can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting equipment, in particular to a lifting device with a flipping function. Background Art

[0002] With the improvement of science and technology and living standards, people have higher and higher requirements for the comfort and convenience of the tables they need to use in life and work. Therefore, various types of tables including lifting tables have appeared on the market. Lifting tables are popular because of the adjustable height of the table top. Some existing lifting tables are designed with a flippable structure. The table top can not only be flipped upward to horizontal, but also flipped downward to vertical. The table top in a horizontal state can be used normally by users, and the table top in a vertical state can greatly reduce the space occupied. Existing flippable lifting tables generally use manual methods or separate motors to achieve the flipping of the table top. When the manual method is used, the user needs to manually unfold or fold the table top, and the user's fingers are easily pinched, which is not conducive to improving the user experience. When the separate motor method is used, the production cost of the lifting table is greatly increased, and the selling price of the lifting table is correspondingly increased, which is not conducive to improving the user's willingness to buy. Utility Model Content

[0003] In order to solve the shortcomings and deficiencies existing in the above-mentioned prior art, the utility model provides a lifting device with a flipping function. The lifting device can simultaneously meet the lifting drive requirements and the retraction and extension drive requirements of the flip bracket with only one driving source, thereby controlling the production cost and improving the automation and intelligence of the device, which is conducive to improving users' purchasing intention and usage experience.

[0004] In order to achieve the above technical purpose, the lifting device with flipping function provided by the utility model comprises:

[0005] A track member provided with an unlocking guide member;

[0006] A first sliding member provided with a latch, the first sliding member can slide along the track member, and the latch can be slidably arranged on the first sliding member;

[0007] A second sliding member of the lock body is provided, and the second sliding member can slide along the track member;

[0008] A flip bracket connected to the first sliding member and the second sliding member;

[0009] When the lock latch is interlocked with the lock body, the first sliding member and the second sliding member slide synchronously to drive the flip bracket to move up and down;

[0010] When the lock latch and the lock body are unlocked, the first sliding member and the second sliding member can slide relative to each other to drive the flip bracket to flip;

[0011] The first slide member slides relative to the unlocking guide member to guide the latch to unlock and maintain it at an unlocking position.

[0012] Preferably, an elastic member acting on the latch is provided on the first sliding member, and the latch held in the unlocking position by the unlocking guide causes the elastic member to deform under force, and the elastic member recovers its deformation and drives the latch to interlock with the lock body when the latch is separated from the unlocking guide.

[0013] Preferably, one of the latch and the unlocking guide is provided with a rolling member and the other is provided with an unlocking inclined surface, the unlocking inclined surface is inclined relative to the length direction of the track member, and the rolling member moves relative to the unlocking inclined surface to make the latch slide relative to the first sliding member, so that the latch is unlocked or interlocked with the lock body.

[0014] Preferably, the lifting device with flipping function further includes a driving source, which includes a motor and a screw driven by the motor, the screw is arranged in the track member, and the second sliding member is provided with a transmission nut cooperating with the screw.

[0015] Preferably, the flip bracket is pivotally connected to the first sliding member via a pin, and the flip bracket is connected to the second sliding member via a support member, one end of the support member is pivotally connected to the second sliding member, and the other end of the support member is pivotally connected to the flip bracket, the second sliding member slides toward the first sliding member to cause the support member to swing outward to unfold the flip bracket, and the second sliding member slides away from the first sliding member to cause the support member to swing inward to fold the flip bracket.

[0016] Preferably, a torsion spring is provided at the pivot connection between the support member and the flip bracket, the torsion spring having a first torsion foot positioned and a second torsion foot in contact with the flip bracket, and the torsion spring applies an auxiliary force to unfold the flip bracket when the support member swings outward.

[0017] Preferably, the sliding direction of the latch is arranged perpendicular to the sliding direction of the first sliding member; and / or, the lock body is provided with a lock hole that cooperates with the latch, the latch is inserted into the lock hole so that the latch and the lock body are interlocked, and the latch is disengaged from the lock hole so that the latch and the lock body are unlocked.

[0018] Preferably, the first sliding member is provided with a side plate, and the locking latch is slidably disposed on the side plate and is located outside the track member.

[0019] Preferably, the first sliding member is arranged inside the track member, the first sliding member is provided with a first frame plate extending out of the track member, and the side plate is fixedly connected to the first frame plate and is located outside the track member.

[0020] Preferably, the second sliding member is arranged inside the track member, the second sliding member is provided with a second frame plate extending out of the track member, and the lock body is fixedly connected to the second frame plate and is located outside the track member.

[0021] After adopting the above technical solution, the utility model has the following advantages:

[0022] 1. The lifting device with flipping function provided by the utility model has two sliding members and an unlocking guide member arranged on the track member, wherein a slidable latch is arranged on one of the sliding members, and a lock body is arranged on the other sliding member. When the latch and the lock body are in an unlocked state, the first sliding member can slide relative to the second sliding member, and when the first sliding member slides toward the second sliding member, the flip bracket can be flipped and unfolded, and when the first sliding member slides away from the second sliding member, the flip bracket can be flipped and folded. When the latch and the lock body are in an interlocked state, the two sliding members slide synchronously, and the synchronously sliding sliding members can drive the flip bracket to rise or fall. By changing the sliding direction of the first sliding member, the state between the latch and the lock body can be changed, thereby changing the action result of the sliding of the sliding member on the flip bracket, so that the flip bracket can complete the four actions of rising, falling, unfolding, and folding according to the combination of the sliding state of the sliding member and whether the latch is in an interlocked state with the lock body. Since the sliding of the first sliding member towards or away from the second sliding member can be driven by only one driving source, the driving source can not only realize the lifting and lowering of the flip bracket, but also realize the retraction and extension of the flip bracket by driving the first sliding member. The structure of the lifting device is reasonably improved so that the lifting device can simultaneously meet the lifting drive requirements and the retraction and extension drive requirements of the flip bracket with only one driving source, which controls the production cost while improving the automation and intelligence of the device, which is conducive to improving users' purchasing willingness and usage experience.

[0023] 2. An elastic member is provided on the first sliding member. When the latch is held in the unlocked position by the unlocking guide so that the latch and the lock body are in the unlocked state, the elastic member is deformed by force. When the first sliding member slides to disengage the latch from the unlocking guide, the elastic member that recovers the deformation drives the latch to interlock with the lock body, so that the two sliding members can slide synchronously, thereby keeping the flip bracket structurally stable during the sliding process of the sliding member. The elastic member enables the latch in the unlocked position to be switched to the state of interlocking with the lock body in time, and keeps the latch and the lock body in a stable interlocking state during the synchronous sliding of the two sliding members, which is conducive to keeping the flip bracket structurally stable during the lifting process.

[0024] 3. A rolling member and an unlocking slope that cooperate with each other are arranged between the lock bolt and the unlocking guide. When the rolling member contacts the unlocking slope and moves relative to the unlocking slope, the lock bolt is forced to slide relative to the first sliding member, and the sliding lock bolt can be unlocked or interlocked with the lock body. The use of the rolling member can greatly reduce the friction between the rolling member and the unlocking slope when the rolling member moves relative to the unlocking slope, so that the rolling member can move smoothly relative to the unlocking slope, and then the lock bolt can slide smoothly relative to the first sliding member to interlock or unlock with the lock body.

[0025] 4. The lifting device is provided with a driving source, and the screw of the driving source is arranged inside the track member, so that the screw is hidden, which can improve the overall appearance of the device. A transmission nut that cooperates with the screw is arranged on the first sliding member. When the motor drives the screw to rotate, the transmission nut can drive the first sliding member to slide back and forth relative to the track member. The first sliding member that slides back and forth can not only make the flip bracket realize lifting and lifting, but also make the flip bracket realize flipping. Using the driving source to realize automatic lifting and flipping of the flip bracket is conducive to improving the user experience.

[0026] 5. The flip bracket is pivotally connected to the first sliding member, and the flip bracket is connected to the second sliding member through a support member. When the second sliding member slides toward the first sliding member, the distance between the two sliding members decreases, causing the support member to be forced to swing outward relative to the track member, and the outward swinging support member causes the flip bracket to unfold. When the second sliding member slides away from the first sliding member, the distance between the two sliding members increases, causing the support member to be forced to swing inward relative to the track member, and the inward swinging support member causes the flip bracket to fold. The connection structures of the flip bracket and the two sliding members are reasonably set so that the flip bracket can be flipped smoothly.

[0027] 6. A torsion spring is provided at the pivotal connection between the support member and the flip bracket, the first torsion foot of the torsion spring is positioned, and the second torsion foot of the torsion spring contacts the flip bracket. When the flip bracket is in a folded state, the flip bracket applies force to the second torsion foot to deform the torsion spring. When the support member swings outward, the torsion spring that restores the deformation applies an auxiliary force to the flip bracket to unfold, so that the flip bracket can be smoothly flipped and unfolded.

[0028] 7. The sliding direction of the latch is preferably perpendicular to the sliding direction of the first sliding member. The sliding direction of the latch relative to the first sliding member is reasonably set so that the sliding latch can effectively switch the state with the lock body, so that the latch can be interlocked or unlocked with the lock body in a timely and smooth manner.

[0029] The lock body is provided with a lock hole. When the lock bolt is inserted into the lock hole, the lock bolt and the lock body are in an interlocked state. When the lock bolt is disengaged from the lock hole, the lock bolt and the lock body are in an unlocked state. The specific structure of the lock body is reasonably set to reduce the difficulty of matching between the lock bolt and the lock body, so that the lock bolt can be interlocked or unlocked with the lock body in time.

[0030] 8. A side plate is provided on the first sliding member, and the latch is slidably provided on the side plate and is located outside the track member. When the latch fails, the latch can be replaced without disassembling the track member and the first sliding member, which helps to reduce the difficulty of replacing and repairing the latch.

[0031] 9. The first sliding member is preferably arranged inside the track member, the first sliding member is provided with a first frame plate extending out of the track member, and the side plate is fixedly connected to the first frame plate and is located outside the track member. The second sliding member is also preferably arranged inside the track member, the second sliding member is provided with a second frame plate extending out of the track member, and the lock body is fixedly connected to the second frame plate and is located outside the track member. The first sliding member and the second sliding member are both hidden inside the track member, which is conducive to improving the overall appearance of the device. When the side plate or the lock body needs to be replaced, there is no need to disassemble the track member, which is conducive to reducing the difficulty of replacing and repairing the side plate and the lock body. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 A three-dimensional diagram of the lifting device of Example 1 when the table top is unfolded;

[0033] Figure 2 It is a partial side view of the lifting device of Example 1 when the table top is unfolded;

[0034] Figure 3 It is a partial side view of the lifting device of Example 1 when the table top is folded;

[0035] Figure 4 It is a structural diagram of the lifting device of Example 1 when the flip bracket is in the unfolded state;

[0036] Figure 5 It is a partial structural diagram of the lifting device of Example 1;

[0037] Figure 6 Another partial structural diagram of the lifting device of Example 1;

[0038] Figure 7 It is a structural diagram of a track member, a latch, a lock body and an unlocking guide member in a lifting device of Example 1;

[0039] Figure 8 It is a structural diagram of the first sliding member in the lifting device of Example 1;

[0040] Fig. 9 An exploded view of a first sliding member in a lifting device of Embodiment 1;

[0041] Fig.10 It is a structural diagram of the second sliding member in the lifting device of Example 1;

[0042] Fig.11 1 is an exploded view of the second sliding member in the lifting device of the first embodiment.

[0043] In the figure, 100-first sliding member, 110-latch, 120-first frame plate, 130-side plate, 131-through hole, 141-seat body, 142-seat cover, 150-rolling member, 160-spring, 170-pin shaft,

[0044] 200-second sliding member, 210-lock body, 211-lug, 212-lock hole, 220-transmission nut, 230-connecting frame, 240-second frame plate,

[0045] 300-track piece, 310-slot,

[0046] 400 - unlocking guide, 410 - unlocking ramp,

[0047] 510-flip bracket, 511-jack, 520-support, 521-angle hook, 530-support shaft, 540-torsion spring, 541-first twist foot, 542-second twist foot,

[0048] 600-driving source, 610-motor, 620-screw,

[0049] 700-Tabletop. DETAILED DESCRIPTION

[0050] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following words indicating orientation or positional relationship such as "upper", "lower", "left", "right", "longitudinal", "lateral", "inner", "outer", "vertical", "horizontal", "top", "bottom", etc. are only based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device / element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0051] Embodiment 1

[0052] Combination Figures 1 to 11 The lifting device with a flipping function provided in the first embodiment of the utility model comprises:

[0053] The track member 300 is provided with an unlocking guide member 400;

[0054] A first sliding member 100 having a latch 110, the first sliding member 100 can slide along the track member 300, and the latch 110 can be slidably disposed on the first sliding member 100;

[0055] A second sliding member 200 having a lock body 210 is provided, and the second sliding member 200 can slide along the track member 300;

[0056] A flip bracket 510 connected to the first sliding member 100 and the second sliding member 200;

[0057] When the latch 110 and the lock body 210 are interlocked, the first sliding member 100 and the second sliding member 200 slide synchronously to drive the flip bracket 510 to rise and fall;

[0058] When the latch 110 and the lock body 210 are unlocked, the first sliding member 100 and the second sliding member 200 can slide relative to each other to drive the flip bracket 510 to flip;

[0059] The first slide member 100 slides relative to the unlocking guide member 400 to guide the latch 110 to be unlocked and to maintain it at the unlocking position.

[0060] By changing the sliding direction of the first sliding member 100, the state between the latch 110 and the lock body 210 can be changed, thereby changing the action result of the sliding of the sliding member on the flip bracket 510, so that the flip bracket 510 can complete the four actions of rising, falling, unfolding, and folding according to the sliding state of the sliding member and whether the latch 110 is in an interlocked state with the lock body 210. Since the sliding of the first sliding member 100 to move closer to or away from the second sliding member 200 can be driven by only one driving source, the driving source can not only realize the lifting and lowering of the flip bracket 510, but also realize the folding and unfolding of the flip bracket 510 by driving the first sliding member 100. The structure of the lifting device is reasonably improved so that the lifting device can simultaneously meet the lifting and folding driving requirements of the flip bracket 510 with only one driving source, and the production cost is controlled while improving the automation and intelligence of the device, which is conducive to improving the user's purchasing intention and usage experience.

[0061] Combination Figure 1 , Figure 4 In this embodiment, the track member 300 is in the shape of a hollow column, and the lifting device further includes a driving source 600, which includes a motor 610 and a screw rod 620 driven by the motor 610. The motor 610 is fixed in the upper end or the lower end of the track member 300, and the screw rod 620 is arranged in the track member 300. The screw rod 620 is arranged parallel to the track member 300, and the second sliding member 200 is provided with a transmission nut 220 that cooperates with the screw rod 620. Specifically, when the motor 610 drives the screw rod 620 to rotate forward, the transmission nut 220 drives the second sliding member 200 to slide upward relative to the screw rod 620. When the motor 610 drives the screw rod 620 to rotate reversely, the transmission nut 220 drives the second sliding member 200 to slide downward relative to the screw rod 620. As an alternative to this embodiment, the transmission nut 220 can also drive the second sliding member 200 to slide upward when the motor 610 drives the screw rod 620 to rotate in the reverse direction, and drive the second sliding member 200 to slide downward when the motor 610 drives the screw rod 620 to rotate in the forward direction.

[0062] In this embodiment, the first sliding member 100 and the second sliding member 200 are both arranged in the hollow track member 300. At the same time, the first sliding member 100 and the second sliding member 200 are both sleeved on the outside of the screw rod 620. The cross-sectional shapes of the two sliding members and the track member 300 along the direction perpendicular to the length of the track member 300 are consistent and are both non-circular. Through the non-circular matching structure, the two sliding members arranged in the track member 300 are circumferentially limited, so that the two sliding members can only slide up and down relative to the track member 300 under the drive of the transmission nut 220.

[0063] Combination Figure 7 , Figure 8 , Fig. 9 In order to facilitate the removal and replacement of the latch 110, the first sliding member 100 is provided with a side plate 130, and the latch 110 is slidably provided on the side plate 130 and is located outside the track member 300. In this embodiment, the track member 300 is provided with a narrow slot 310 extending along the length direction, and the first frame plate 120 extending from the narrow slot 310 of the track member 300 is fixed on the first sliding member 100, and the side plate 130 is fixedly connected to the portion of the first frame plate 120 extending from the track member 300, so that the side plate 130 is located outside the track member 300, so that the latch 110 slidably provided on the side plate 130 is also located outside the track member 300. Further, the side plate 130 is provided with a seat body 141 and a seat cover 142 fixed together and forming a slide groove on the side facing away from the lock body 210, the seat body 141 is fixedly connected to the side plate 130, the seat cover 142 is fixedly connected to the seat body 141, at least part of the latch 110 is movably inserted in the slide groove formed by the seat body 141 and the seat cover 142, and the latch 110 is preferably slidable left and right in the slide groove, that is, the sliding direction of the latch 110 is preferably perpendicular to the sliding direction of the first sliding member 100. As an alternative to this embodiment, the first sliding member 100 can also be sleeved on the outside of the track member 300, in which case the first frame plate 120 can be cancelled, and the side plate 130 is directly fixedly connected to the first sliding member 100.

[0064] Combination Figure 7 , Fig.10 , Fig.11In order to facilitate the driving nut 220 to drive the second sliding member 200 to slide up and down relative to the track member 300, the second sliding member 200 is arranged inside the track member 300, and the driving nut 220 is fixed in the second sliding member 200 through the connecting frame 230. In this embodiment, the second sliding member 200 is provided with a second frame plate 240 extending from the narrow slot 310 to the track member 300, and the lock body 210 is in a plate shape and is fixedly connected to the part of the second frame plate 240 extending from the track member 300. The lock body 210 is provided with a lug 211 extending toward the second sliding member 200, and the lug 211 is provided with a lock hole 212 for the latch 110 to be inserted. When the latch 110 is inserted into the lock hole 212, the latch 110 is interlocked with the lock body 210, the first sliding member 100 and the second sliding member 200 are combined together, and the second sliding member 200 driven by the driving nut 220 can drive the first sliding member 100 to slide up and down synchronously relative to the track member 300. When the latch 110 is disengaged from the lock hole 212, the latch 110 and the lock body 210 are unlocked, the first sliding member 100 and the second sliding member 200 are separated from each other, and the second sliding member 200 driven by the transmission nut 220 can only slide up and down independently relative to the track member 300. As an alternative to this embodiment, the first sliding member 100 can also be sleeved on the outside of the track member 300. In this case, the first frame plate 120 can be eliminated, the side plate 130 is directly fixedly connected to the first sliding member 100, and a connecting member is provided between the first sliding member 100 and the transmission nut 220.

[0065] In this embodiment, the lug 211 and the latch 110 are respectively located on the left and right sides of the side plate 130. In order to allow the latch 110 to be smoothly inserted into the lock hole 212, a through hole 131 is provided on the side plate 130 for the latch 110 to pass through. When the lock hole 212 on the lock body 210 corresponds to the through hole 131 on the side plate 130, the end of the latch 110 facing the lock body 210 can pass through the through hole 131 and be inserted into the lock hole 212.

[0066] Combination Figure 7In this embodiment, the unlocking guide 400 is arranged outside the track member 300, and the first sliding member 100 and the unlocking guide 400 are respectively arranged on the upper and lower sides of the second sliding member 200. Specifically, the latch 110 is provided with a rollable rolling member 150 through a shaft, and the rolling member 150 can be a small bearing or a small roller. The unlocking guide 400 is provided with an unlocking inclined surface 410, which is inclined relative to the length direction of the track member 300, and the plane direction of the unlocking inclined surface 410 is arranged parallel to the axial direction of the rolling member 150. When the two sliding members slide downward synchronously so that the rolling member 150 moves downward relative to the unlocking inclined surface 410, the unlocking inclined surface 410 contacts the rolling member 150 so that the rolling member 150 is forced to drive the latch 110 to gradually disengage from the lock hole 212, thereby unlocking the latch 110 from the lock body 210. After the latch 110 disengages from the lock hole 212, the unlocking guide 400 contacts the rolling member 150 to keep the latch 110 in the unlocked position. When the second sliding member 200 drives the first sliding member 100 to slide upward so that the rolling member 150 moves upward relative to the unlocking inclined surface 410, the unlocking inclined surface 410 gradually releases the rolling member 150, that is, the unlocking guide 400 gradually releases the latch 110, and the latch 110 can be reset to a state interlocked with the lock body 210. When the rolling member 150 moves up and down relative to the unlocking inclined surface 410, the rolling member 150 can rotate, thereby effectively reducing the friction between the rolling member 150 and the unlocking inclined surface 410, and preventing the rolling member 150 from getting stuck on the unlocking inclined surface 410. As an alternative to this embodiment, the positions of the rolling member 150 and the unlocking inclined surface 410 can be interchanged, that is, the unlocking inclined surface is provided on the latch 110, and the rolling member is provided on the unlocking guide 400.

[0067] In order to make the latch 110 automatically reset to the state interlocked with the lock body 210, in this embodiment, an elastic member acting on the latch 110 is provided on the first sliding member 100. The latch 110 held in the unlocked position by the unlocking guide 400 causes the elastic member to deform under force. When the latch 110 is separated from the unlocking guide 400, the elastic member recovers its deformation and drives the latch 110 to interlock with the lock body 210. Specifically, the elastic member is preferably a spring 160. A groove for accommodating the spring 160 is provided on the latch 110. The spring 160 is arranged in the groove of the latch 110. One end of the spring 160 contacts the groove wall to contact the latch 110, and the other end of the spring 160 contacts the inner wall of the seat body 141 or the inner wall of the seat cover 142 to achieve positioning. When the rolling member 150 moves downward relative to the unlocking inclined surface 410 to make the latch 110 slide laterally out of the lock hole 212, the spring 160 is compressed under force. When the rolling element 150 moves upward relative to the unlocking inclined surface 410 to disengage from the unlocking inclined surface 410 , the spring 160 that restores the deformation drives the latch 110 to slide toward the lock body 210 so that the latch 110 is inserted into the lock hole 212 , so that the latch 110 can automatically interlock with the lock body 210 in a timely manner.

[0068] Combination Figure 5 , Figure 6 In this embodiment, the flip brackets 510 are symmetrical on both sides, and the flip brackets 510 are pivotally connected to the first sliding member 100 through the pin 170. Specifically, the pin 170 is mounted on the side plate 130 and located outside the track member 300. The axial direction of the pin 170 is consistent with the distribution direction of the two flip brackets 510, and the two ends of the pin 170 are pivotally connected to the two flip brackets 510 respectively. Figure 2 , Figure 3 The flip bracket 510 can be rotated upward with the pin 170 as a fulcrum to an unfolded state substantially perpendicular to the track member 300, or can be rotated downward with the pin 170 as a fulcrum to a folded state substantially parallel to the track member 300. As an alternative to this embodiment, the flip bracket 510 can also be set to one, three, or other reasonable numbers.

[0069] In order to enable the flip bracket 510 to flip when the second sliding member 200 slides relative to the first sliding member 100, the flip bracket 510 is connected to the second sliding member 200 through a support member 520, one end of the support member 520 is pivotally connected to the lock body 210 or the second frame plate 240 on the second sliding member 200 through a pin, and the other end of the support member 520 is pivotally connected to the two flip brackets 510 through a support shaft 530, and the two ends of the support shaft 530 are respectively connected to the two flip brackets 510. When the second sliding member 200 slides toward the first sliding member 100, the distance between the two sliding members decreases, and the support member 520 swings outward relative to the track member 300 with the pin as a fulcrum, and the outward swinging support member 520 causes the flip bracket 510 to flip upward and unfold. When the second sliding member 200 slides away from the first sliding member 100, the distance between the two sliding members increases, and the support member 520 swings inward relative to the track with the pin as a fulcrum. The inward swinging support member 520 causes the flip bracket 510 to flip and fold downward.

[0070] Combination Figure 5 , Figure 6 In order to enable the support member 520 to smoothly drive the flip bracket 510 to flip, a torsion spring 540 is provided at the pivot connection between the support member 520 and the flip bracket 510. The torsion spring 540 has a first twist foot 541 for positioning and a second twist foot 542 in contact with the flip bracket 510. When the support member 520 swings outward, the torsion spring 540 applies an auxiliary force for unfolding to the flip bracket 510. Specifically, the torsion spring 540 is sleeved on the support shaft 530, the first twist foot 541 is provided in the middle part of the torsion spring 540, and two second twist feet 542 are provided and distributed at both ends of the torsion spring 540. The upper end of the support member 520 is provided with an angle hook 521 for positioning the first twist foot 541. A part of the first twist foot 541 is located in the groove formed by the angle hook 521, and the first twist foot 541 is in conflict with the angle hook 521 to achieve positioning. The flip bracket 510 is provided with an insertion hole 511 for the second twist foot 542 to pass through. The second twist foot 542 passes through the insertion hole 511 and abuts against the lower part of the flip bracket 510 to achieve contact with the flip bracket 510. When the inwardly swinging support member 520 drives the flip bracket 510 to flip and fold downward, the flip bracket 510 applies force to the second twist foot 542 to cause the torsion spring 540 to deform under the force. When the outwardly swinging support member 520 drives the flip bracket 510 to flip and unfold upward, the torsion spring 540 that restores the deformation applies an auxiliary force to the flip bracket 510 through the second twist foot 542, and the auxiliary force can assist the flip bracket 510 to flip and unfold. As an alternative to the present embodiment, the design of the torsion spring 540 can also be omitted on the premise that the outwardly swinging support member 520 can smoothly drive the flip bracket 510 to rotate upward to unfold.

[0071] The lifting device of this embodiment can be used to drive a table top 700, a screen and other objects to achieve flipping and lifting. This embodiment is specifically described by taking a table top 700 as an example. The table top 700 is fixedly connected to two flip brackets 510, the track member 300 is vertically placed and can be buried inside a wall or other fixed building, and two sliding members are distributed up and down. Under normal conditions, the flip bracket 510 is in a folded state, the table top 700 is roughly in a vertical state with the flip bracket 510, there is a certain height difference between the two sliding members, the rolling member 150 is against the lower end of the unlocking inclined surface 410 and the spring 160 is in a compressed state, and the latch 110 and the lock body 210 are in an unlocked state.

[0072] When the table top 700 needs to be unfolded, the user can start the unfolding procedure by pressing a button or using a mobile phone APP, and the motor 610 drives the screw rod 620 to rotate forward. The screw rod 620 that rotates forward causes the transmission nut 220 to drive the second sliding member 200 to slide upward toward the first sliding member 100. The second sliding member 200 that slides upward drives the support member 520 to swing outward. The support member 520 that swings outward causes the flip bracket 510 and the table top 700 to flip upward. The torsion spring 540 applies an auxiliary unfolding force to the flip bracket 510 during the process of the support member 520 swinging outward. When the support member 520 swings outward to the right position, the flip bracket 510 and the table top 700 flip upward to a roughly horizontal state. When the second sliding member 200 contacts the first sliding member 100 and drives the first sliding member 100 to slide upward for a distance synchronously so that the rolling member 150 is separated from the unlocking inclined surface 410, the lock hole 212 on the lock body 210 corresponds to the through hole 131 on the side plate 130, and the spring 160 recovers its deformation when the rolling member 150 is separated from the unlocking inclined surface 410. The spring 160 that recovers its deformation drives the latch 110 to be inserted into the lock hole 212 on the lock body 210, so that the latch 110 is interlocked with the lock body 210. The action of interlocking the latch 110 with the lock body 210 can be performed after the support member 520 is swung outward to a position, or it can be performed while the support member 520 is swung outward to a position. Through the interlocking of the latch 110 and the lock body 210, the support member 520, the flip bracket 510 and the two sliding members form a stable triangular structure, thereby ensuring the structural stability of the table board 700 after it is unfolded. After the table top 700 is unfolded, the motor 610 can continue to drive the screw rod 620 to rotate forward according to a preset program, or can drive the screw rod 620 to continue to rotate forward according to the user's operation. The forward-rotating screw rod 620 causes the transmission nut 220 to drive the second sliding member 200 to continue to slide upward, and the second sliding member 200 sliding upward drives the first sliding member 100, the flip bracket 510, the support member 520 and the table top 700 to slide upward synchronously, so that the table top 700 is raised to a preset height or a height set by the user. Of course, the user can also command the motor 610 to drive the table top 700 to rise to a desired height by pressing a button or using a mobile phone APP after the table top 700 is raised to a preset height.

[0073] When the user wants to lower the height of the table top 700, the user can operate it through buttons or mobile phone APP. At this time, the motor 610 reverses, and the reversed motor 610 drives the second sliding member 200 to slide downward through the transmission nut 220. Since the latch 110 and the lock body 210 are still in an interlocked state, the second sliding member 200 sliding downward drives the first sliding member 100, the support member 520, the flip bracket 510 and the table top 700 to slide downward synchronously, thereby reducing the height of the table top 700.

[0074] When the table top 700 needs to be folded, the user can operate it by pressing a button or using a mobile phone APP. At this time, the motor 610 is reversed, and the reversed motor 610 drives the second sliding member 200 to slide downward through the transmission nut 220. The second sliding member 200 sliding downward drives the support member 520, the flip bracket 510 and the table top 700 to slide downward synchronously. When the first sliding member 100 slides downward until the rolling member 150 contacts the unlocking inclined surface 410, the rolling member 150 causes the lock latch 110 to slide under force and gradually disengage from the lock hole 212 as the first sliding member 100 continues to slide downward. When the latch 110 is completely out of the lock hole 212, the first sliding member 100 is separated from the second sliding member 200, and the second sliding member 200 driven by the transmission nut 220 slides downward alone, and the first sliding member 100 is maintained at a height separated from the second sliding member 200. The second sliding member 200 that continues to slide downward relative to the first sliding member 100 causes the support member 520 to swing inward under force, and the inward swinging support member 520 drives the flip bracket 510 and the table top 700 to flip downward. When the support member 520 swings inward to be roughly parallel to the track member 300, the second sliding member 200 slides downward into place, and at this time, the flip bracket 510 and the table top 700 are roughly in a vertical folded state.

[0075] When the lifting device of this embodiment is used for the folding and unfolding of other objects, the track member 300 can also be arranged horizontally according to the use requirements.

[0076] As an alternative to this embodiment, the driving source 600 may also be replaced by other reasonable structures, such as a retractable cylinder.

[0077] In addition to the above preferred embodiments, the present invention has other implementation modes. Those skilled in the art can make various changes and modifications based on the present invention. As long as they do not deviate from the spirit of the present invention, they should all fall within the scope defined in the claims of the present invention.

Claims

1. A lifting device with a flipping function, characterized in that: include: A track member provided with an unlocking guide member; A first sliding member provided with a latch, the first sliding member can slide along the track member, and the latch can be slidably arranged on the first sliding member; A second sliding member of the lock body is provided, and the second sliding member can slide along the track member; A flip bracket connected to the first sliding member and the second sliding member; When the lock latch is interlocked with the lock body, the first sliding member and the second sliding member slide synchronously to drive the flip bracket to move up and down; When the lock latch and the lock body are unlocked, the first sliding member and the second sliding member can slide relative to each other to drive the flip bracket to flip; The first slide member slides relative to the unlocking guide member to guide the latch to unlock and maintain it at an unlocking position.

2. The lifting device with flipping function according to claim 1, characterized in that: The first sliding member is provided with an elastic member acting on the latch. The latch held in the unlocking position by the unlocking guide causes the elastic member to deform under force. When the latch is separated from the unlocking guide, the elastic member recovers its deformation and drives the latch to interlock with the lock body.

3. The lifting device with flipping function according to claim 1, characterized in that: One of the latch and the unlocking guide is provided with a rolling member, and the other is provided with an unlocking inclined surface. The unlocking inclined surface is inclined relative to the length direction of the track member. The rolling member moves relative to the unlocking inclined surface to make the latch slide relative to the first sliding member, so that the latch is unlocked or interlocked with the lock body.

4. The lifting device with flipping function according to claim 1, characterized in that: The lifting device with flipping function also includes a driving source, which includes a motor and a screw driven by the motor. The screw is arranged in the track member, and the second sliding member is provided with a transmission nut matched with the screw.

5. The lifting device with flipping function according to claim 1, characterized in that: The flip bracket is pivotally connected to the first sliding member via a pin shaft, and the flip bracket is connected to the second sliding member via a support member, one end of the support member is pivotally connected to the second sliding member, and the other end of the support member is pivotally connected to the flip bracket, the second sliding member slides toward the first sliding member to cause the support member to swing outward to unfold the flip bracket, and the second sliding member slides away from the first sliding member to cause the support member to swing inward to fold the flip bracket.

6. The lifting device with flipping function according to claim 5, characterized in that: A torsion spring is provided at the pivotal connection between the support and the flip bracket. The torsion spring has a first torsion foot positioned and a second torsion foot in contact with the rotating bracket. When the support swings outward, the torsion spring applies an auxiliary force to unfold the flip bracket.

7. The lifting device with flipping function according to claim 1, characterized in that: The sliding direction of the latch is arranged perpendicular to the sliding direction of the first sliding member; and / or, the lock body is provided with a lock hole that cooperates with the latch, the latch is inserted into the lock hole so that the latch and the lock body are interlocked, and the latch is disengaged from the lock hole so that the latch and the lock body are unlocked.

8. The lifting device with a flipping function according to any one of claims 1 to 7, characterized in that: The first sliding member is provided with a side plate, and the locking latch is slidably arranged on the side plate and is located outside the track member.

9. The lifting device with flipping function according to claim 8, characterized in that: The first sliding member is arranged inside the track member, and a first frame plate extending out of the track member is arranged on the first sliding member. The side plate is fixedly connected to the first frame plate and is located outside the track member.

10. The lifting device with a flipping function according to any one of claims 1 to 7, characterized in that: The second sliding member is arranged inside the track member, and a second frame plate extending out of the track member is arranged on the second sliding member. The lock body is fixedly connected to the second frame plate and is located outside the track member.

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