CN209922849U - Remote control type upright column lifting system - Google Patents

Abstract

The utility model discloses a remote control formula stand operating system, including the motor that is provided with control chip, be equipped with wireless receiving device's main control board, with wireless receiving device complex wireless remote control emitter, several lift stand, drive mechanism, screw rod mechanism's input has set gradually drive gear and has prevented gliding mechanism, the stiff end of lift stand is provided with deciliter diversion case, deciliter diversion case is connected with preventing gliding mechanism and drive gear cooperation, the motor that is provided with control chip passes through the circuit and links to each other with the main control board that is equipped with wireless receiving device, the master control passes through radio signal and links to each other with wireless remote control emitter, the output shaft and the transmission of deciliter diversion case of motor are connected, the deciliter diversion case in the adjacent lift stand passes through drive mechanism synchronous drive and connects. The utility model provides a conveniently control, use single motor control a plurality of lift stands to form operating system and have fine holding power, characteristics rational in infrastructure, the noise is little, the use is nimble.

Description

Remote control type upright column lifting system

Technical Field

The utility model relates to a remote control formula lift stand belongs to operating system technical field.

Background

The electric lifting upright post is applied to the fields of office furniture, traffic appliances, even precision height lifting and the like, the prior lifting upright post generally uses a motor to drive a lifting upright post, if a lifting system consisting of a plurality of lifting upright posts is to be formed, a plurality of motors are needed to be used, thus not only the cost is increased, but also the synchronism of the lifting system is poor, if a motor is used to drive a plurality of lifting upright posts, the supporting force of the lifting upright post is mainly supported by the twisting force between a lifting mechanism and the motor, the supporting force of only one motor is limited, the motor is difficult to bear larger weight, the motor is easy to damage, and the prior lifting upright post is generally manually controlled, and the use is inconvenient.

Disclosure of Invention

The utility model aims to solve the technical problem that a remote control formula stand operating system is provided, use a plurality of lift stands of single motor control to form operating system and have fine holding power to use remote control convenient to use, solved the not enough of prior art.

The technical scheme of the utility model is that: a remote control type upright post lifting system comprises a lifting upright post, wherein the lifting upright post comprises a screw rod mechanism and a plurality of struts which are driven by the screw rod mechanism to lift and are internally and externally provided with sliding connections, the struts comprise a motor provided with a control chip, a main control board provided with a wireless receiving device, a wireless remote control transmitting device matched with the wireless receiving device, a plurality of lifting upright posts and a transmission mechanism, the input end of the screw rod mechanism is sequentially provided with a transmission gear and a downslide prevention mechanism, the fixed end of the lifting upright post is provided with a split-type turning box, the split-type turning box comprises a first assembly and a second assembly, at least one rotating gear is arranged in the first assembly and the second assembly, a first containing cavity is arranged in the first assembly, the second assembly is provided with a second containing cavity, the first assembly and the second assembly are clasped to form a containing cavity, and the transmission gear and the downslide, the transmission gear is meshed with a rotating gear in the first combination body and a rotating gear in the second combination body respectively, the anti-sliding mechanism is connected with the accommodating cavity in a matched mode, the motor provided with the control chip is connected with a main control board provided with a wireless receiving device through a circuit, the main control board is connected with a wireless remote control transmitting device through a wireless signal, an output shaft of the motor is in transmission connection with the split-type turning box, and the split-type turning boxes in the adjacent lifting stand columns are in synchronous transmission connection through the transmission mechanism. The wireless receiving device receives a wireless signal transmitted by the wireless remote control transmitting device and feeds the wireless signal back to the main control board, the main control board controls the motor to operate according to the received signal, the motor drives the lifting upright post to lift through the split-type steering box, a control chip arranged on the motor is used for recording the number of turns of the motor to rotate and feeding the number of turns back to the main control board, so that the wireless remote control transmitting device can control the lifting upright post to stop at any position in the lifting process and not exceed the set highest and lowest positions when continuing lifting, meanwhile, an output shaft of the motor is in transmission connection with one of the rotating gears in the split-type steering box, a transmission gear on the lead screw is engaged with all the rotating gears in the split-type steering box, the rotating gear connected with the output shaft of the motor drives the transmission gear to rotate, and the transmission gear simultaneously drives other, other rotating gears in the separating and combining type turning box are connected with one of the rotating gears in the separating and combining type turning box in the adjacent lifting columns through the transmission mechanism and rotate at the same speed, so that the adjacent lifting columns are connected through the transmission mechanism, a motor drives a plurality of lifting columns to lift synchronously, and meanwhile, the anti-sliding mechanism can prevent the lifting columns from sliding downwards, so that the column lifting system has better bearing capacity.

The transmission mechanism further comprises a hollow pipe, transmission rods are connected to two ends of the hollow pipe in a telescopic mode, the transmission rods at the two ends are respectively connected with the split-type turning boxes in the adjacent lifting stand columns, and an adjusting and fixing device is arranged at the connection position of the transmission rods and the hollow pipe. The length of the transmission mechanism can be adjusted as required to adjust the distance between the adjacent lifting upright posts, so that the use is more flexible.

Further adjust fixing device including setting up in the elasticity piece of hollow tube tip, with the fastening nut of elasticity piece threaded connection, the transfer line loops through fastening nut, elasticity piece gets into in the hollow tube. The fastening nut is unscrewed, the transmission rod can freely pass in and out the hollow pipe and stretch to a proper position, the fastening nut and the tightening piece are screwed down to fix the transmission rod and the hollow pipe, and the adjustment is very convenient.

The anti-sliding mechanism comprises a rotary column, wherein the periphery of the screw rod is fixedly connected with the screw rod through a sleeve, a torsion spring is arranged on the periphery of the rotary column, the torsion spring is in interference fit with the outer wall of the rotary column, the rotary column and the torsion spring are located in a containing cavity, a deformation space is reserved between the torsion spring and the wall of the containing cavity, and the containing cavity further comprises a slot matched with a torsion arm of the torsion spring. When the motor drives the screw rod and the rotary column to rotate forwards, the torque arm of the torsion spring is abutted against the grooved groove wall, the torsion spring expands towards the periphery, the friction force between the torsion spring and the rotary column is reduced, the torsion force of the motor driving the screw rod is easy to overcome the friction force between the torsion spring and the rotary column, the lifting vertical column rises, after the lifting vertical column stops rising, the torsion spring tightly holds the rotary column, the friction force between the torsion spring and the rotary column becomes the bearing force of the lifting vertical column, the screw rod and the rotary column rotate backwards when the lifting vertical column descends, the torque arm of the torsion spring is abutted against the grooved groove wall when the lifting vertical column rotates backwards, the torsion spring contracts inwards and is increased in interference with the rotary column, the friction force between the torsion spring and the rotary column.

Furthermore, the accommodating cavity is a stepped cavity, the transmission gear and the rotating gear are arranged in the upper cavity, and the anti-sliding mechanism is limited in the lower cavity. The structure can more accurately enable the transmission gear to be meshed and matched with the rotating gear on one hand, and on the other hand, the anti-sliding mechanism is prevented from moving up and down to be invalid.

The lifting stand column comprises an outer support column, a middle support column and an inner support column which are sequentially sleeved with each other in a sliding connection mode, the split-type turning box is fixed at the tail end of the outer support column, the screw rod mechanism comprises an inner screw rod and an outer screw rod, one end of the inner screw rod is in transmission connection with the split-type turning box, the outer screw rod is sleeved outside the inner screw rod, a split nut is fixed at the near end of the middle support column and is in threaded connection with the inner screw rod, a fixing nut is fixed at the near end of the inner support column and is in threaded connection with the outer screw rod, a containing cavity is arranged in the split nut, the near end of the outer screw. The screw rod mechanism of the existing three-section lifting stand column needs to be in threaded connection with an outer screw rod, and is connected with the inner screw rod in a threaded mode to move linearly along the outer screw rod and be fixed with the inner stand column.

Furthermore, anti-slip sheets are arranged between the outer support and the middle support and between the middle support and the inner support, and the anti-slip sheets are respectively fixed at the peripheral end part of the middle support and the outer rotating end part of the inner support in a surrounding manner. The lifting upright post is arranged between the two support posts and relatively slides along with the support posts, the noise is low, the surface of the support posts can be prevented from being abraded, and the shaking between the support posts is prevented, so that the stability of the lifting upright post is improved.

Furthermore, the first combination body and the second combination body are combined in a clasping mode to form the split-type turning box, the cross section of the split-type turning box and the cross section of the outer support are polygons with the same shape, and the clasped split-type turning box is inserted into the outer support and fixedly connected through screws. The combined type turning box can be better matched, installed and connected with the support column, and relative rotation between the combined type turning box and the support column is prevented.

To sum up, the utility model relates to a conveniently control, use single motor control a plurality of lift stands to form operating system and have fine holding power, rational in infrastructure, the noise is little, use nimble characteristics.

Drawings

FIG. 1 is a schematic view of the system of the present invention;

FIG. 2 is a schematic view of the connection of the screw rod and the split-type direction changing box;

FIG. 3 is an internal schematic view of a second assembly;

FIG. 4 is a schematic structural view of the transmission mechanism;

FIG. 5 is a schematic structural view of the lifting column;

FIG. 6 is a schematic structural view of the split nut;

fig. 7 is another structural connection schematic diagram of the split-type direction changing box.

Shown in the figure: a lifting upright post 1; a motor 2; a first assembly 3; a second assembly 4; a first combination 3 a; the first combination 4 a; a main control board 5; a wireless remote control transmitting device 6; a transmission mechanism 7; a transmission gear 8; a screw rod 9; a first cavity 10; a rotating gear 11; a rotary column 12; a torsion spring 13; a torque arm 14; a hollow tube 15; a drive link 16; a tightening member 17; a fastening nut 18; a split-type direction changing box 19; a second receptacle 20; a slot 21; an inner lead screw 22; an outer lead screw 23; an outer strut 33; a middle strut 34; an inner post 35; a split nut 36; a fixing nut 37; a slip sheet 38; a nut body 41; a nut cover 42; a receptacle 43.

Detailed Description

The embodiment of the utility model provides a: as shown in fig. 1 to 3, a remote control type upright lifting system comprises a lifting upright 1, the lifting upright 1 comprises a screw mechanism and a plurality of struts which are driven by the screw mechanism to lift and are arranged inside and outside in a sliding connection manner, the lifting upright comprises a motor 2 provided with a control chip, a main control board 5 provided with a wireless receiving device, a wireless remote control transmitting device 6 matched with the wireless receiving device and a transmission mechanism 7, the input end of a screw 9 of the screw mechanism is sequentially provided with a transmission gear 8 and a slide-down preventing mechanism, the fixed end of the lifting upright 1 is provided with an opening and closing type turning box 19, the opening and closing type turning box 19 comprises a first assembly 3 and a second assembly 4, a rotating gear 11 is arranged in each of the first assembly 3 and the second assembly 4, a first containing cavity 10 is arranged in the first assembly 3, a second containing cavity 20 is arranged in the second assembly 4, and an accommodating cavity is formed in the first assembly 3 and the second assembly, the transmission gear 8 and the anti-sliding mechanism are positioned in the containing cavity, the transmission gear 8 is respectively meshed with a rotating gear 11 in the first combination 3 and a rotating gear 11 in the second combination 4, the anti-sliding mechanism is connected with the containing cavity in a matching way, the motor 2 provided with a control chip is connected with a main control board 5 provided with a wireless receiving device through a circuit, the main control board 5 is connected with a wireless remote control transmitting device 6 through a wireless signal, an output shaft of the motor 2 is connected with a split-type turning box 19 in a transmission way, the split-type turning boxes 19 in adjacent lifting upright posts 1 are connected with each other through a transmission mechanism 7 in a synchronous transmission way, as shown in figure 7, the split-type turning box 19 can also be formed by a first combination 3a and a first combination 4a in a clasping way, two rotating gears 11 parallel to the side walls of the first combination 3a and the first combination 4a are arranged in the first combination 3a, the wireless receiving device receives the wireless signal transmitted, the main control board 5 controls the motor 2 to operate according to the received signal, the motor 2 drives the lifting upright post 1 to lift through the split-type turning box 19, a control chip arranged on the motor 2 is used for recording the rotating number of turns of the motor 2 and feeding the number back to the main control board 5, so that the wireless remote control transmitting device 6 can control the lifting upright post 1 to stop at any position in the lifting process and not exceed the set highest and lowest positions when continuously lifting, meanwhile, the output shaft of the motor 2 is in transmission connection with one rotating gear 11 in the split-type turning box 19, a transmission gear 8 on the lead screw 9 is meshed with all rotating gears 11 in the split-type turning box 19, the rotating gear 11 connected with the output shaft of the motor 2 drives the transmission gear 8 to rotate when rotating, the transmission gear 8 simultaneously drives other rotating gears 8 in the split-type turning box 19 to synchronously rotate with the lead screw 9, and other rotating gears 8 in the split-type turning box 19 are in transmission with the split-type turning columns One of them running gear 11 in formula diversion case 19 links to each other and carries out the same speed rotation, and so adjacent lift post 1 passes through drive mechanism 7 to be connected, realizes that a motor 2 drives the synchronous lift of a plurality of lift stands 1, prevents simultaneously that gliding mechanism can prevent lift stand 1 gliding, makes stand operating system have better bearing capacity.

As shown in fig. 4, the transmission mechanism 7 preferably includes a hollow tube 15, two ends of the hollow tube 15 are telescopically connected with transmission rods 16, the transmission rods 16 at two ends are respectively connected with a separation and combination type direction changing box 19 in the adjacent lifting upright posts 1, and an adjusting and fixing device is arranged at the connection position of the transmission rod 16 and the hollow tube 15. The length of the transmission mechanism 7 can be adjusted as required to adjust the distance between the adjacent lifting upright posts 1, so that the use is more flexible.

The preferred adjusting and fixing device of this embodiment comprises a tightening member 17 disposed at the end of the hollow tube 15, a fastening nut 18 in threaded connection with the tightening member 17, and a transmission rod 16 sequentially passing through the fastening nut 18 and the tightening member 17 into the hollow tube 15. The fastening nut 18 is unscrewed, the transmission rod 16 can freely enter and exit the hollow tube 15 and stretch to a proper position, the fastening nut 18 and the tightening piece 17 are screwed to fix the transmission rod 16 and the hollow tube 15, and the adjustment is very convenient.

The preferred mechanism of preventing gliding of this embodiment is including the rotary column 12 of cover locating lead screw 9 periphery and lead screw 9 fixed connection, and rotary column 12 periphery is provided with torsional spring 13, and torsional spring 13 and rotary column 12 outer wall interference fit, and rotary column 12 and torsional spring 13 are located the holding intracavity, leave the deformation space between torsional spring 13 and the holding chamber wall, and the holding chamber still includes the fluting 21 with the torsion arm 14 complex of torsional spring 13. When the motor 2 drives the screw rod 9 and the rotary column 12 to rotate forwardly, the torque arm 14 of the torsion spring 13 abuts against the groove wall of the slot 21, the torsion spring 14 expands towards the periphery, the friction force between the torsion spring 14 and the rotary column 12 is reduced, so that the torsion force of the motor 2 driving the screw rod 9 can easily overcome the friction force between the torsion spring 14 and the rotary column 12, the lifting upright column 1 ascends, after the lifting upright column 1 stops ascending, the torsion spring 14 holds the rotary column tightly, the friction force between the torsion spring 14 and the rotary column becomes the bearing force of the lifting upright column 1, the screw rod 9 and the rotary column 12 rotate reversely when the lifting upright column 1 descends, and when the lifting upright column 1 rotates reversely, the torque arm 14 of the torsion spring 13 abuts against the groove wall of the slot 21, the torsion spring 13 contracts inwards to increase in interference with the rotary column 12, the friction force.

The preferred holding chamber of this embodiment is the ladder chamber, and upper portion cavity is located to drive gear 8 and rotating gear 11, prevents that gliding mechanism is spacing in lower part cavity. The structure can more accurately enable the transmission gear 8 to be meshed and matched with the rotating gear 11 on one hand, and enable the anti-sliding mechanism to be prevented from moving up and down to be invalid on the other hand.

In the preferred embodiment, as shown in fig. 5, the lifting column 1 comprises an outer pillar 33, a middle pillar 34, and an inner pillar 35 which are sequentially and internally sleeved and slidably connected, the combining and combining type steering box 19 is fixed at the tail end of the outer pillar 33, the screw mechanism comprises an inner screw rod 22 with one end in transmission connection with the combining and combining type steering box 19, an outer screw rod 23 sleeved outside the inner screw rod 22, a split nut 36 which is in screw connection with the inner screw rod 22 is fixed at the proximal end of the middle pillar 34, a fixing nut 37 which is in screw connection with the outer screw rod 23 is fixed at the proximal end of the inner pillar 35, as shown in fig. 6, the split nut 36 includes a nut cover 42 and a nut body 41, an internal thread and a cavity 43 matched with the external thread of the inner screw 22 are provided in the nut body 41, the nut cover 42 and the nut body 41 are fixed by a screw, an opening hole communicated with the cavity 43 is provided on the nut cover 42, and the cavity 43 limits the proximal end of the outer screw 23 in the cavity 43 and enables the outer screw 23 to be rotatably connected with the split nut 36. The screw rod mechanism of the existing three-section lifting upright post needs to be in threaded connection with the outer screw rod 23, a sleeve which moves linearly along the outer screw rod 23 and is fixed with the inner upright post 35 besides the inner screw rod 22 and the outer screw rod 23, the structural component is multiple in cost and multiple in assembly steps, only a fixing nut 37 made of plastic is needed, the cost is greatly reduced while the supported standard is achieved, and the assembly efficiency is improved.

In the preferred embodiment, anti-slip sheets 38 are disposed between the outer pillar 33 and the middle pillar 34, and between the middle pillar 34 and the inner pillar 35, and the anti-slip sheets 38 are respectively fixed around the outer peripheral end of the middle pillar 34 and the outer rotating end of the inner pillar 35. The lifting upright post is arranged between the two support posts and relatively slides along with the support posts, the noise is low, the surface of the support posts can be prevented from being abraded, and the shaking between the support posts is prevented, so that the stability of the lifting upright post 1 is improved.

The first combination body 3 and the second combination body 4 are combined to form the combined and separated type direction changing box 19, the cross section of the combined and separated type direction changing box 19 is rectangular, the shape of the cross section of the combined and separated type direction changing box is the same as that of the cross section of the pillar, and the combined and separated type direction changing box 19 is inserted into the outer pillar 33 and fixedly connected through screws. The split-type direction changing box 19 can be better matched, installed and connected with the outer support 33, and relative rotation between the split-type direction changing box and the outer support is prevented.

Claims (8)

1. The utility model provides a remote control formula stand operating system, includes the lift stand, the lift stand includes screw rod mechanism and drives the inside and outside pillar that sets up sliding connection of several of going up and down through screw rod mechanism, its characterized in that: the device comprises a motor provided with a control chip, a main control board provided with a wireless receiving device, a wireless remote control transmitting device matched with the wireless receiving device, a plurality of lifting upright posts and a transmission mechanism, wherein the input end of a screw rod mechanism is sequentially provided with a transmission gear and a slide-down preventing mechanism, the fixed end of each lifting upright post is provided with a split-type steering box, each split-type steering box comprises a first combination body and a second combination body, at least one rotating gear is arranged in each of the first combination body and the second combination body, a first containing cavity is arranged in each first combination body, each second combination body is provided with a second containing cavity, each first combination body and each second combination body are encircled to form a containing cavity, the transmission gear and the slide-down preventing mechanism are positioned in the containing cavities, the transmission gear is respectively meshed with the rotating gear in each first combination body and the rotating gear in each second combination, the motor provided with the control chip is connected with the main control board provided with the wireless receiving device through a circuit, the main control board is connected with the wireless remote control transmitting device through a wireless signal, the output shaft of the motor is in transmission connection with the split-type turning box, and the split-type turning boxes in the adjacent lifting stand columns are in synchronous transmission connection through the transmission mechanism.

2. The remotely controlled mast lift system of claim 1, wherein: the transmission mechanism comprises a hollow pipe, transmission rods are telescopically connected to two ends of the hollow pipe, the transmission rods at the two ends are respectively connected with the split-type turning boxes in the adjacent lifting stand columns, and an adjusting and fixing device is arranged at the joint of the transmission rods and the hollow pipe.

3. The remotely controlled mast lift system of claim 2, wherein: the adjusting and fixing device comprises a tightening piece arranged at the end part of the hollow pipe and a fastening nut in threaded connection with the tightening piece, and the transmission rod sequentially enters the hollow pipe through the fastening nut and the tightening piece.

4. The remotely controlled mast lift system of claim 1, wherein: prevent gliding mechanism and locate lead screw periphery and lead screw fixed connection's rotary column including the cover, the rotary column periphery is provided with the torsional spring, torsional spring and rotary column outer wall interference fit, rotary column and torsional spring are located the holding intracavity, leave the deformation space between torsional spring and the holding chamber wall, the holding chamber still including with the fluting of the torque arm complex of torsional spring.

5. The remotely controlled mast lift system according to claim 1 or 4, wherein: the holding cavity is a stepped cavity, the transmission gear and the rotating gear are arranged in the upper cavity, and the anti-sliding mechanism is limited in the lower cavity.

6. The remotely controlled mast lift system of claim 1, wherein: the lifting stand column comprises an outer support column, a middle support column and an inner support column which are sequentially sleeved with each other in a sliding connection mode, the split-combination type turning box is fixed at the tail end of the outer support column, the screw rod mechanism comprises an inner screw rod and an outer screw rod, one end of the inner screw rod is in transmission connection with the split-combination type turning box, the outer screw rod is sleeved outside the inner screw rod, a split nut in threaded connection with the inner screw rod is fixed at the near end of the middle support column, a fixing nut in threaded connection with the outer screw rod is fixed at the near end of the inner support column, a containing cavity is arranged in the split nut, the near end of the outer.

7. The remotely controlled mast lift system of claim 6, wherein: anti-slip sheets are arranged between the outer support and the middle support and between the middle support and the inner support, and the anti-slip sheets are respectively fixed on the peripheral end part of the middle support and the outer rotating end part of the inner support in a surrounding manner.

8. The remotely controlled mast lift system according to claim 1 or 6, wherein: the cross section of the opening-closing type turning box formed by the cohesion of the first combination body and the second combination body is a polygon with the same shape as that of the outer support, and the cohesion of the opening-closing type turning box is inserted into the outer support and fixedly connected through screws.

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