CN217565287U

CN217565287U - Electric tea table lifting structure

Info

Publication number: CN217565287U
Application number: CN202221588168.5U
Authority: CN
Inventors: 方海彬
Original assignee: Foshan Xiduoduo Intelligent Technology Co ltd
Current assignee: Foshan Xiduoduo Intelligent Technology Co ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-10-14
Anticipated expiration: 2032-06-23

Abstract

An electric tea table lifting structure comprises an underframe, a panel and a containing port formed in the panel, wherein a bracket capable of lifting to cover the containing port and two cover plates capable of being turned over to cover the containing port are arranged in the underframe; the driving mechanism comprises a motor component, a lifting screw driven by the motor component to rotate, and a lifting slider driven by the lifting screw to lift, and the lifting slider is fixedly connected with the bracket; the chassis is provided with a lifting guide rail assembly, a protection space is arranged in the lifting guide rail assembly, and the lifting screw is located in the protection space. Utilize the lift guide rail subassembly to shelter from the protection to the lifting screw, effectively reduced the probability that outside pollutant and dust particle are attached to on the lifting screw, guaranteed lifting screw's life and job stabilization nature, let lifting screw can normally, cooperate the lift slider to drive the bracket action of going up and down steadily.

Description

Electric tea table lifting structure

Technical Field

The utility model relates to the field of furniture, concretely relates to electronic tea table elevation structure.

Background

The invention provides a cover plate opening and closing mechanism with the patent number of 202122091073.4 applied to a lifting tea table in 2021, which comprises an underframe, a panel arranged at the upper end of the underframe and a containing port arranged on the panel, wherein a bracket and two cover plates are arranged in the underframe, and a driving mechanism for driving the bracket to lift and a linkage mechanism for driving the cover plates to open and close are fixedly arranged on the underframe; the driving mechanism comprises a motor assembly fixedly arranged on the bottom frame and a lifting screw rod rotationally connected to the bottom frame, and the motor assembly is in transmission connection with the lifting screw rod; the bracket is including the slider of screw thread suit on lifting screw, and this patent can be when need not using the tea set, accomodates parts such as tea set inside the tea table, and the apron is closed to the lid, keeps the tea table clean and tidy and can avoid the tea set to receive the pollution.

However, in the actual use process, the technical scheme has the following problems: firstly, the lifting screw is completely exposed and is easily stained with pollutants and dust particles, and when the pollutants and the dust particles fall into the position where the lifting screw is in threaded fit with the sliding block, the threads of the lifting screw and the sliding block are easily damaged, so that the lifting screw cannot be normally matched with the buffer component to drive the bracket to move up and down; secondly, the limit switch arranged on the sliding block is not reasonable enough in structure, and after long-term use and reduction of the deformation capacity of the spring, the limit switch can be triggered in advance or in a delayed manner, so that other problems are caused; thirdly, parts such as swing arm, first spring pass through backup pad fixed mounting on the chassis, and the backup pad hangs in the bottom of panel to with be single-ended connection setting, stability is not enough, phenomenons such as deformation appear easily.

Therefore, the inventor improves the technical problem to achieve better use effect.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an electric tea table lifting structure.

The utility model provides a technical scheme that its technical problem adopted is:

an electric tea table lifting structure comprises an underframe, a panel arranged at the upper end of the underframe and a containing port formed in the panel, wherein a bracket capable of lifting to cover the containing port and two cover plates capable of turning to cover the containing port are arranged in the underframe; the driving mechanism comprises a motor assembly fixed on the bottom frame, a lifting screw rod driven to rotate by the motor assembly, and a lifting slide block driven to lift by the lifting screw rod, and the lifting slide block is fixedly connected with the bracket; the method is characterized in that: the chassis is provided with a lifting guide rail assembly, and the lifting slide block is connected to the lifting guide rail assembly in a guiding manner; a protection space is arranged in the lifting guide rail assembly, and the lifting screw is located in the protection space.

The utility model discloses in, the lift guide rail subassembly includes two lift guide rails of mutual parallel arrangement, lift guide rail fixed connection is on the chassis, the last protection recess that is equipped with of lift guide rail, two lift guide rail's protection recess is constituteed the protection space.

The utility model discloses in, be equipped with two mutual parallel arrangement's guiding hole on the lifting slide, sliding fit has a riser guide in every guiding hole, the lifting slide passes through guiding hole slidable mounting on riser guide.

The utility model discloses in, be equipped with first direction arch on the inner wall of guiding hole, be equipped with on the lift guide rail with the protruding direction complex first direction recess of first direction.

The utility model discloses in, be equipped with second cooperation guide slot on the inner wall of guiding hole, be equipped with on the lift guide rail with second cooperation guide slot direction complex second cooperation arch.

The utility model discloses in, motor element is including installing the speed reducer on the crossbeam, installing the servo motor on the speed reducer, servo motor's output shaft is connected with the input transmission of speed reducer, install on the speed reducer and drive rotatory synchro-drive shaft by it, synchro-drive shaft is connected with the lifting screw transmission, servo motor is by controlling means connection control.

The utility model discloses in, be equipped with the reversing gear case transmission between synchrodrive shaft and the lifting screw and be connected.

The utility model discloses in, the link gear is including the linkage piece that can be oppressed the downstream by the lifting slide block, be used for driving linkage piece rebound first spring, drive the apron upset when linkage piece rebound and open and drive the swing arm that apron upset lid closed, be used for driving the connecting rod of swing arm when linkage piece rebound, the middle part of swing arm articulates on the chassis and its one end links to each other with the apron, the both ends of connecting rod are articulated with the other end of linkage piece and swing arm respectively.

The utility model discloses in, be equipped with the backup pad that is located the panel below on the chassis, the upper and lower both ends of backup pad all with chassis fixed connection, the middle part of swing arm articulates in the backup pad, and the both ends of first spring are connected with connecting rod and backup pad respectively.

The utility model discloses in, the inboard of apron is equipped with the connecting plate, all be equipped with the linking arm on the both ends of connecting plate, be equipped with in the backup pad and be used for the activity to block the limiting plate that the linking arm closed the position with restriction apron upset lid.

The utility model has the advantages that: the utility model discloses in lifting screw sets up the protection space of lifting guide rail assembly, make lifting guide rail assembly can shelter from the protection to lifting screw to effectively reduced the probability that outside pollutant and dust particle are attached to on lifting screw, guaranteed lifting screw's life and job stabilization nature, let lifting screw can normally, stably cooperate the lift slider to drive the bracket action of going up and down. And simultaneously, the utility model discloses having deleted the trigger switch on the slider, having adopted servo motor to carry out spacing action according to the change that meets resistance and electric current, simplified the physical structure on the slider, avoided the ageing spacing problem of perhaps postponing in advance that brings of spring device, realized accurate control. In addition, the upper end and the lower end of the supporting plate are fixedly connected with the underframe, the supporting plate is high in stability and not prone to deformation in the using process, and the installation quality of components such as the swing arm and the first spring is effectively guaranteed.

Drawings

The invention will be further explained with reference to the drawings and the embodiments below:

FIG. 1 is a schematic view of the cover plate of the present embodiment after being covered;

FIG. 2 is a schematic view of the lifting screw disposed in the protection space;

FIG. 3 is a combined cross-sectional view of a lifting slide, lifting rail assembly and lifting screw;

FIG. 4 is a front view of the cover plate of the present embodiment after being covered;

FIG. 5 is a schematic view of the inner structure of the covered cover plate of the present embodiment;

FIG. 6 is a schematic view of the internal structure of the opened cover plate of the present embodiment;

FIG. 7 is a schematic view of the mounting structure of the drive structure;

FIG. 8 is a schematic structural view of a swing arm;

fig. 9 is a schematic diagram illustrating the operation change of the anti-pinch structure.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

Referring to fig. 1-9, an electric tea table lifting structure comprises an underframe 1, a panel 2 arranged at the upper end of the underframe 1, and a receiving opening formed in the panel 2, wherein a bracket 3 capable of lifting to cover the receiving opening and two cover plates 4 capable of turning to cover the receiving opening are arranged in the underframe 1, the two cover plates 4 are matched with the receiving opening when turning to cover, the bracket 3 can be used for placing a tea table platform, and the tea table platform is used for placing articles such as tea sets, tea leaves and the like; and a driving mechanism for driving the bracket 3 to ascend and descend and a linkage mechanism for driving the two cover plates 4 to open and close are fixedly arranged on the bottom frame 1. The driving mechanism comprises a motor component 5 fixed on the underframe 1, a lifting screw 6 connected and driven by the motor component 5 to rotate, and a lifting slide block 7 driven by the lifting screw 6 to lift, wherein the lifting slide block 7 is fixedly connected with the bracket 3; the chassis 1 is provided with a lifting guide rail assembly 8, and the lifting slide block 7 is connected to the lifting guide rail assembly 8 in a guiding manner; a protection space 100 is arranged in the lifting guide rail assembly 8, and the lifting screw 6 is positioned in the protection space 100.

In this embodiment, the lifting rail assembly 8 includes two lifting rails 81 that are parallel to each other, the lifting rail 81 is fixedly connected to the bottom frame 1, the lifting rail 81 is provided with a protection groove 82, and the protection groove 82 of the two lifting rails 81 forms the protection space 100.

In this embodiment, the lifting slider 7 is provided with two guide holes 71 arranged in parallel, each guide hole 71 is slidably fitted with a lifting rail 81, and the lifting slider 7 is slidably mounted on the lifting rail 81 through the guide holes 71. Further, in order to enhance the quality of the lifting guide rail assembly 8 for guiding the lifting slide block 7, a first guide protrusion 72 is arranged on the inner wall of the guide hole 71, and a first guide groove in guide fit with the first guide protrusion 72 is arranged on the lifting guide rail 81; a second matching guide groove is formed in the inner wall of the guide hole 71, and a second matching protrusion 83 which is matched with the second matching guide groove in a guiding mode is formed in the lifting guide rail 81.

In this embodiment, a lifting screw hole in threaded fit with the lifting screw 6 is formed in the lifting slider 7, the lifting screw hole is located between the two guide holes 71, and the lifting slider 7 is in threaded fit with the lifting screw 6 through the lifting screw hole, so that the lifting screw 6 can drive the lifting slider 7 to move up and down.

In this embodiment, the upper end of the lifting rail 81 is fixedly connected to the upper connection base 200 of the undercarriage 1 by a first bolt, and the lower end is fixedly connected to the lower connection base 300 at the top of the reversing gear box 11 by a second bolt.

As a preferred embodiment, a cross beam 9 is fixedly installed in the underframe 1, and the motor assembly 5 is fixedly installed on the cross beam 9, so that the motor assembly cannot move up and down; the base 10 is arranged at each of two ends of the cross beam 9, and the base 10 is fixedly mounted on the underframe 1, so that the cross beam 9 is fixedly mounted.

In a preferred embodiment, the motor assembly 5 includes a speed reducer 51 mounted on the cross beam 9, and a servo motor 52 mounted on the speed reducer 51, an output shaft of the servo motor 52 is in transmission connection with an input end of the speed reducer 51, the speed reducer 51 is mounted with a synchronous transmission shaft 53 driven by the speed reducer to rotate, and the synchronous transmission shaft 53 is in transmission connection with the lifting screw 6 to drive the lifting screw 6 to rotate.

In this embodiment, the synchronous transmission shaft 53 is in transmission connection with the lifting screw 6 through the reversing gear box 11, the reversing gear box 11 may be installed on the base frame 1 or the base frame 10, and according to actual settings, in this embodiment, the reversing gear box 11 is installed on the base frame 10, so that after the screws for fixing the base frame 1 on the base frame 10 are removed, the beam 9, the synchronous transmission shaft 53, the base frame 10 and the motor assembly 5 can be simultaneously removed.

In the embodiment, the servo motor 52 is connected and controlled by the control device, when the lifting slider 7 is lifted to the topmost end, the current of the servo motor 52 is increased due to resistance, and when the control device senses that the current of the servo motor 52 is increased to a first preset threshold value, the control device closes the servo motor, at the moment, the two cover plates 4 are opened, and the bracket 3 is lifted to cover the containing opening; similarly, when the lifting slider 7 descends to the bottom, resistance is applied to the lifting slider to increase the current of the servo motor 52, and when the control device senses that the current of the servo motor 52 increases to a second preset threshold value, the control device closes the servo motor, and at the moment, the two cover plates 4 are covered in the containing opening.

As a preferred embodiment, the linkage mechanism comprises a linkage block 12 which can be pressed by the lifting slider 7 to move downwards, a first spring 13 for driving the linkage block 12 to move upwards, a swing arm 14 for driving the cover plate 4 to turn open when the linkage block 12 moves downwards and driving the cover plate 4 to turn close when the linkage block 12 moves upwards, and a connecting rod 15 for driving the swing arm 14, wherein the middle part of the swing arm 14 is hinged on the base frame 1, one end of the swing arm is connected with the cover plate 4, and two ends of the connecting rod 15 are respectively hinged with the other ends of the linkage block 12 and the swing arm 14. The lifting slide block 7 and the linkage block 12 are arranged independently and separately, so that the lifting slide block 7 and the linkage block 12 can move up and down independently. When 3 lifts through actuating mechanism drive bracket, utilize link gear to drive apron 4 lid and close and open to when need not using the tea set, accomodate parts such as tea set inside chassis 1, the lid closes apron 4, keeps the clean and tidy and avoids the tea set to receive the pollution.

In the structure, two ends of the first spring 13 are respectively connected with the chassis 1 and the connecting rod 15, the first spring 13 contracts to drive the connecting rod 15 to move upwards, and the connecting rod 15 simultaneously drives the linkage block 12 to ascend. In the structure, the base frame 1 is provided with a support plate 16 positioned below the panel 2, the upper end and the lower end of the support plate 16 are fixedly connected with the base frame 1, and the middle part of the swing arm 14 is hinged on the support plate 16, so that the swing arm 14 can swing up and down; the base frame 1 is connected to one end of the first spring 13 through a support plate 16 to link the link 15.

As preferred embodiment, be equipped with between swing arm 14 and the apron 4 and prevent to close the lid at two apron 4 and can let the user break off with the fingers and thumb the structure of preventing of two apron 4 off with the fingers and thumb after the tong, prevent that the finger structure includes linking arm 17 of fixed mounting on apron 4, can close the in-process pulling apron 4 in advance and fold the second spring 18 that rises and can let the user break off with the fingers and thumb apron 4 off with the fingers and thumb after apron 4 lid closes, the one end of linking arm 17 articulates on swing arm 14, the both ends of second spring 18 are connected with swing arm 14 and linking arm 17 respectively.

When the cover plate 4 is opened, the connecting arm 17 rotates by taking a hinge point of the connecting arm 17 and the swing arm 14 as an axis to drive the cover plate 4 to turn over, and at the moment, the second spring 18 is stretched when the connecting arm 17 rotates; when the cover plate 4 is covered, the swing arm 14 drives the connecting arm 17 and the cover plate 4 to turn, the second spring 18 contracts to enable the two cover plates 4 to be folded in advance in the process, and then the two cover plates are gradually lifted and enter the containing opening until the cover plates 4 are flush with the top surface of the panel 2, so that hands are prevented from being clamped between the two cover plates 4.

In addition, the two cover plates 4 are folded in advance in the bottom frame 1 in the mode, so that the interference collision accident between the cover plates 4 and the panel 2 when the cover plates 4 are turned over can be avoided; in addition, since the second spring 18 has elasticity, even if a hand is clamped between the two cover plates 4, a user can break the cover plates 4 apart by a certain distance to allow the hand to be drawn out from between the two cover plates 4, and after the hand is clamped, the second spring 18 can be slightly stretched to play a certain buffering role so as to reduce the injury caused when the cover plates 4 press the hand.

As a preferred embodiment, the anti-pinch structure further comprises a limiting block for limiting the rotation angle of the connecting arm 17 relative to the swing arm 14, the limiting block is arranged on the swing arm 14, and the limiting block is provided with a first limiting point 10a capable of resisting the connecting arm 17 in the opening process of the cover plate 4 and a second limiting point 10b capable of resisting the connecting arm 17 in the closing process of the cover plate 4; during the opening process of the cover plate 4, the connecting arm 17 abuts against the first limiting point 10a to prevent the connecting arm 17 from continuously turning outwards and downwards under the gravity of the cover plate 4 to cause the second spring 18 to be excessively elongated; in the process of closing the cover plate 4, the connecting arm 17 can abut against the second limiting point 10b, so that the connecting arm 17 is prevented from continuing to turn inwards under the gravity of the cover plate 4, and the phenomenon of asynchronous turning between the two cover plates 4 is avoided.

In addition, swing distances are respectively arranged between the connecting arm 17 and the first limiting point 10a and between the connecting arm 17 and the second limiting point 10b, so that when the cover plate 4 is opened, the connecting arm 17 can be matched with the first limiting point 10a after being separated from the second limiting point 10b; during the closing process of the cover plate 4, the connecting arm 17 can be separated from the first limiting point 10a and then matched with the second limiting point 10 b.

In this embodiment, the limiting blocks include a first limiting block 101 and a second limiting block 102 that are arranged at an interval, the first limiting point 10a is disposed on the first limiting block 101, and the second limiting point 10b is disposed on the second limiting block 102. In order to improve the working quality of the limiting block, the limiting block comprises a third limiting block 103, the two ends of the third limiting block 103 are respectively provided with a first limiting point 10a and a second limiting point 10b, the first limiting block 101 and the second limiting block 102 are located on one side of the swing arm 14, and the third limiting block 103 is located on the other side of the swing arm 14. Certainly, the structure is not limited to the above structure, the third limiting block 103 may also be split into two fourth limiting blocks, and then one of the fourth limiting blocks is provided with a first limiting point 10a, and the other fourth limiting block is provided with a second limiting point 10b, etc., so that the purpose of improving the working quality of the limiting blocks can be achieved.

As a preferred embodiment, the inner side of the cover plate 4 is provided with a connecting plate, the two ends of the connecting plate are provided with connecting arms 17, and the connecting plate is used for enhancing the structural strength of the cover plate 4 and preventing the cover plate 4 from deforming in the overturning process. Further, be equipped with in the backup pad 16 and be used for the activity to block the limiting plate 19 that connecting arm 17 closed the position with the restriction apron 4 flip lid, apron 4 flip lid closes when being close parallel and level or parallel and level in the top surface of panel 2, and connecting arm 17 supports makes apron 4 can not continue the upset on limiting plate 19 to avoid two apron 4 to take place violent collisions when the lid closes.

When the tea set needs to be hidden, the motor component 5 rotates positively to drive the lifting screw 6 to rotate, the bracket 3 moves downwards under the action of the lifting slide block 7 to drive the tea table platform to enter the inside of the bottom frame 1, meanwhile, in the process that the bracket 3 moves downwards, the lifting slide block 7 presses the linkage block 12 to move downwards, the cover plates 4 turn towards the center of the containing opening around the hinge points of the swing arms 14 and the bottom frame 1, and the two cover plates 4 are covered under the action of the swing arms 14, are matched with the containing opening and are flush with the top surface of the panel 2; at this time, the first spring 13 is elongated. When the tea set is needed to be used, the motor assembly 5 rotates reversely, the lifting screw 6 is driven to rotate, the bracket 3 rises under the action of the lifting slide block 7, the tea table platform is driven to rise until the tea table platform is basically parallel to the top surface of the panel 2, meanwhile, the lifting slide block 7 releases the pressing on the linkage block 12, the first spring 13 gradually contracts, the cover plate 4 overturns towards the outer side far away from the containing port around the hinged point of the swing arm 14 and the bottom frame 1, and the two cover plates 4 are contained below the panel 2 under the action of the swing arm 14.

The above description is only the preferred embodiment of the present invention, and the technical solutions of the objects of the present invention are all within the protection scope of the present invention as long as the objects are achieved by the substantially same means.

Claims

1. An electric tea table lifting structure comprises an underframe (1), a panel (2) arranged at the upper end of the underframe (1) and a containing port formed in the panel (2), wherein a bracket (3) capable of lifting to cover the containing port and two cover plates (4) capable of turning to cover the containing port are arranged in the underframe (1), and a driving mechanism for driving the bracket (3) to lift and a linkage mechanism for driving the two cover plates (4) to open and cover are fixedly arranged on the underframe (1); the driving mechanism comprises a motor component (5) fixed on the bottom frame (1), a lifting screw (6) which is connected with and driven by the motor component (5) to rotate, and a lifting slide block (7) which is driven by the lifting screw (6) to lift, wherein the lifting slide block (7) is fixedly connected with the bracket (3); the method is characterized in that: a lifting guide rail assembly (8) is arranged on the bottom frame (1), and the lifting slide block (7) is connected to the lifting guide rail assembly (8) in a guiding manner; a protection space (100) is arranged in the lifting guide rail assembly (8), and the lifting screw (6) is located in the protection space (100).

2. The electric tea table lifting structure of claim 1, wherein: lifting guide rail subassembly (8) are including two lifting guide (81) of mutual parallel arrangement, lifting guide (81) fixed connection is on chassis (1), be equipped with on lifting guide (81) and protect recess (82), protection recess (82) of two lifting guide (81) are constituteed protection space (100).

3. The electric tea table lifting structure of claim 2, wherein: be equipped with two guiding holes (71) that parallel arrangement each other on lifting slide block (7), sliding fit has a lifting guide (81) in every guiding hole (71), lifting slide block (7) are through guiding hole (71) slidable mounting on lifting guide (81).

4. The electric tea table lifting structure of claim 3, wherein: be equipped with first direction arch (72) on the inner wall of guiding hole (71), be equipped with on lift guide rail (81) with first direction protruding (72) direction complex first direction recess.

5. The electric tea table lifting structure of claim 3, wherein: and a second matching guide groove is formed in the inner wall of the guide hole (71), and a second matching protrusion (83) matched with the second matching guide groove in a guiding manner is arranged on the lifting guide rail (81).

6. The electric tea table lifting structure of claim 1, wherein: the motor assembly (5) comprises a speed reducer (51) arranged on the cross beam (9) and a servo motor (52) arranged on the speed reducer (51), an output shaft of the servo motor (52) is in transmission connection with an input end of the speed reducer (51), a synchronous transmission shaft (53) driven to rotate by the speed reducer (51) is arranged on the speed reducer (51), the synchronous transmission shaft (53) is in transmission connection with the lifting screw (6), and the servo motor (52) is controlled by a control device in a connection mode.

7. The electric tea table lifting structure of claim 6, wherein: and a reversing gear box (11) is arranged between the synchronous transmission shaft (53) and the lifting screw (6) for transmission connection.

8. The electric tea table lifting structure of any one of claims 1 to 7, wherein: the linkage mechanism comprises a linkage block (12) which can be pressed by a lifting slide block (7) to move downwards, a first spring (13) used for driving the linkage block (12) to move upwards, a swing arm (14) which drives a cover plate (4) to turn over and open when the linkage block (12) moves downwards and drives the cover plate (4) to turn over and cover when the linkage block (12) moves upwards, and a connecting rod (15) used for driving the swing arm (14), wherein the middle part of the swing arm (14) is hinged to a chassis (1), one end of the swing arm is connected with the cover plate (4), and two ends of the connecting rod (15) are hinged to the other ends of the linkage block (12) and the swing arm (14) respectively.

9. The electric tea table lifting structure of claim 8, wherein: be equipped with backup pad (16) that are located panel (2) below on chassis (1), the upper and lower both ends of backup pad (16) all with chassis (1) fixed connection, the middle part of swing arm (14) articulates on backup pad (16), and the both ends of first spring (13) are connected with connecting rod (15) and backup pad (16) respectively.

10. The electric tea table lifting structure of claim 9, wherein: the inboard of apron (4) is equipped with the connecting plate, all be equipped with connecting arm (17) on the both ends of connecting plate, be equipped with in backup pad (16) and be used for the activity to block connecting arm (17) and close limiting plate (19) of position with restriction apron (4) upset lid.