CN214547992U

CN214547992U - Simple lifting table

Info

Publication number: CN214547992U
Application number: CN202022815493.8U
Authority: CN
Inventors: 章新锋; 俞建军; 杨懿钢
Original assignee: Shaoxing Contuo Transmission Technology Co ltd
Current assignee: Shaoxing Contuo Transmission Technology Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-11-02
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a simple and easy type lift table, including the desktop, the support frame is installed at the desktop back, and the lift post of synchronous lift is installed at the support frame both ends, and the lift post includes that sliding connection's activity pipe and fixed pipe are established to the endotheca, and fixed pipe rigid coupling is provided with the lead screw assembly through drive arrangement drive and with activity union coupling on the support frame in the fixed intraductal, the lead screw assembly include the screw rod and with screw rod screwed connection's nut piece, nut piece fixed connection is in the activity nose portion. The utility model provides a simple lifting table with simple structure, low production cost and strong adaptability.

Description

Simple lifting table

Technical Field

The utility model relates to a simple lifting table, which belongs to the technical field of lifting tables.

Background

The lifting table has been widely applied in life and work due to the characteristic that the lifting table can adjust the height of the table top according to actual requirements, the electric lifting table realizes the height adjustment of the lifting column by controlling the movement of the screw rod mechanism through the motor, and has the advantages of convenient operation and high precision, the existing lifting column is usually two sections of lifting columns or three sections of lifting columns, the two sections of lifting columns have simple structure relative to the three sections of lifting columns, the production cost is low, and the lifting column is easily accepted by common consumers, the two sections of lifting columns in the prior art comprise a fixed column and a movable column which are sleeved inside and outside and are connected in a sliding way, a screw rod assembly driven by a driving device is arranged in the lifting column, the screw rod assembly is usually a driving rod and a driven rod which are sleeved inside and outside and are connected in a spiral way, the driven rod is driven to rotate by the driving device to drive the driven rod to move up and down along the driving rod, the driven rod drives the movable column to slide up and down along the fixed column when moving up and down along the driving rod, the range of the lift adjustment of lift stand depends on the length that driving lever and driven lever are connected, and the length of driven lever is close with the length of driving lever under the normal condition, and material cost and manufacturing cost are higher relatively, lead to also being higher of the product cost of producing.

Disclosure of Invention

The utility model aims to solve the technical problem that a simple lifting table is provided, the lead screw assembly structure in the lifting stand column is simplified, the production cost of a product can be reduced, the product competitiveness is improved, and the defects of the prior art can be solved.

The technical scheme of the utility model is that: the utility model provides a simple and easy type lift table, includes the desktop, and the support frame is installed at the desktop back, and the lift post of synchronous lift is installed at the support frame both ends, and the lift post includes that sliding connection's activity pipe and fixed pipe are established to the endotheca, and fixed pipe rigid coupling is provided with the lead screw assembly through drive arrangement drive and with activity union coupling on the support frame in the fixed intraductal, the lead screw assembly include the screw rod and with screw rod screwed connection's nut piece, nut piece fixed connection is in the activity nose portion. Through replacing the driven lever with the nut piece, do benefit to reduction in production cost, nut piece fixed connection is in the tip of movable tube, and the movable tube can carry out the biggest sliding distance to fixed pipe relatively to reach the regulation of highest lifting range.

Further fixed pipe top is provided with the diverter and the shaft coupling of being connected with the diverter output, the shaft coupling couples with the screw rod top, drive arrangement includes the motor and with motor output shaft's transmission, pass through transmission drive pivoted transfer line, the transfer line both ends are connected with the diverter input in the lift post at support frame both ends respectively. The direction changer drives the screw rod to rotate through the coupler, the nut block and the screw rod rotate spirally to drive the movable pipe to slide relative to the fixed pipe to achieve lifting of the lifting column, two ends of the transmission rod are respectively connected with input ends of the direction changer in the lifting columns at two ends of the support frame, the single motor drives the transmission rod to rotate, the lifting columns at two ends of the support frame can be driven to lift synchronously, and cost can be further saved.

The direction changer further comprises a box body, a pair of meshed bevel gears is arranged in the box body, a transmission rod installing opening is formed in the box body, the transmission rod is connected with the bevel gear at the input end through the transmission rod installing opening, and the bevel gear at the output end is connected with the coupler. The horizontal transmission of the transmission rod is changed into vertical transmission of the coupler and the screw rod through the direction changer.

Further the screw rod bottom is connected with the locating part. The stroke of the nut block is limited, and the screw is prevented from being separated from the nut block due to the excessive stroke.

The other end of the screw rod is provided with a clamping groove, and the limiting part is clamped on the clamping groove.

The box body is further formed by combining two half box bodies, and a plurality of matched positioning columns and positioning holes are arranged on the connecting surface of the two half box bodies. The box comprises two half boxes and makes things convenient for the dismouting of inside umbelliform gear, and both pass through reference column and locating hole grafting cooperation simultaneously, make the equipment more convenient accurate.

Furthermore, the bottom of the lifting column is connected with a supporting leg which is longitudinally arranged, and two ends of the supporting leg are provided with a cabinet leg. The supporting legs carry out more stable support, and the cabinet foot that sets up prevents that the supporting legs from causing wearing and tearing to ground or floor.

Furthermore, the supporting legs are of a box-shaped structure with an opening at the bottom, two ends of the bottom of each supporting leg are fixedly connected with a fixing frame, and the cabinet legs are in threaded connection with the corresponding fixing frames. Bottom confined structure before the supporting legs compares, is used for connecting the mount of cabinet foot through the setting, can reduce the material quantity of supporting legs, further reduces the cost, through cabinet foot threaded connection on the mount, makes and to carry out the distance of take the altitude and adjust, if the ground of placing is uneven at ordinary times, through the regulation of cabinet foot, makes the supporting legs can steadily place.

The transmission rod further comprises a sleeve, the two ends of the sleeve are respectively sleeved with a transmission rod, the transmission rods are connected with the input ends of the direction changers in the lifting columns on the corresponding sides, and the end parts of the sleeve are provided with fasteners connected with the transmission rods. The length of the transmission rod entering the sleeve is adjusted and then fixed through the fastener, so that the length of the transmission rod is adjusted, the transmission rod is suitable for being used by table tops of different lengths, and the transmission rod has better adaptability.

And the motor and the transmission device are further fixed on a fixed pipe of one of the lifting columns through bolts. The motor base is not installed, and the screw holes are formed in the motor shell and the transmission device shell and are directly fixedly installed through bolts, so that the cost is further saved.

To sum up, the utility model provides a simple lifting table with simple structure, low production cost and strong adaptability.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a lifting column;

FIG. 3 is an exploded schematic view of the lifting column;

FIG. 4 is a schematic view of the connection between the screw and the position limiting member;

FIG. 5 is a schematic view of the connection within the diverter;

FIG. 6 is a schematic structural view of the supporting foot;

fig. 7 is a schematic structural view of the transmission rod.

Shown in the figure: a tabletop 1; a support frame 2; a lifting column 3; a movable tube 4; a fixed tube 5; a screw 6; a nut block 7; a direction changer 8; a coupling 9; a transmission rod 10; a transmission rod loading port 11; an input end bevel gear 12; an output end bevel gear 13; a stopper 14; a card slot 15; a half casing 16; positioning holes 17; a positioning post 18; supporting legs 19; a cabinet foot 20; a fixed frame 21; a sleeve 22; a transfer lever 23; a fastener 24; a motor 25; and a transmission 26.

Detailed Description

The embodiment of the utility model provides a: as shown in fig. 1 to 3, a simple lifting table, including desktop 1, support frame 2 is installed at 1 back of desktop, the lift post 3 of synchronous lift is installed at support frame 2 both ends, lift post 3 includes that sliding connection's movable tube 4 and fixed pipe 5 are established to the endotheca, fixed pipe 5 rigid coupling is on support frame 2, be provided with the lead screw assembly through drive arrangement drive and be connected with movable tube 4 in the fixed pipe 5, the lead screw assembly include screw rod 6 and with screw rod 6 screwed connection's nut piece 7, nut piece 7 fixed connection is in the top of movable tube 4. Through replacing the driven lever with nut piece 7, do benefit to reduction in production cost, nut piece 7 fixed connection is in the tip of activity pipe 4, and activity pipe 4 can carry out the biggest sliding distance relative to fixed pipe 5 to reach the regulation of the highest lifting range.

During operation, the screw rods 6 in the lifting columns 3 at the two ends are driven by the driving device to rotate to drive the nut blocks 7 to move up and down along the screw rods 6, and the nut blocks 7 drive the movable pipe 1 to slide up and down along the fixed pipe 2 when moving up and down along the screw rods 6 to enable the lifting columns 3 at the two ends to synchronously lift, so that the height of a table top is adjusted.

The top of the fixed pipe 5 preferred in this embodiment is provided with a direction changer 8 and a coupler 9 connected with the output end of the direction changer 8, the coupler 9 is connected with the top end of the screw 6, the driving device comprises a motor 25, a transmission device 26 connected with the output shaft of the motor 25 and a transmission rod 10 driven to rotate by the transmission device 26, and two ends of the transmission rod 10 are respectively connected with the input ends of the direction changers 8 in the lifting columns 3 at two ends of the support frame 2. The direction changer 8 drives the screw rod 6 to rotate through the coupler 9, the nut block 7 and the screw rod 6 rotate spirally to drive the movable tube 4 to slide relative to the fixed tube 5 to realize the lifting of the lifting column 3, two ends of the transmission rod 10 are respectively connected with the input ends of the direction changer 8 in the lifting columns 3 at two ends of the support frame 2, the lifting columns 3 at two ends of the support frame 2 can be driven to synchronously lift by driving the transmission rod 10 to rotate through the single motor, and the cost can be further saved.

As shown in fig. 5, a preferred direction changer 8 of this embodiment includes a box, a pair of meshed bevel gears (an input end bevel gear 12 and an output end bevel gear 13, respectively) is disposed in the box, a transmission rod inlet 11 is formed on the box, a transmission rod 10 is connected to the input end bevel gear 12 through the transmission rod inlet 11, and the output end bevel gear 13 is connected to a coupler 9; the box body is formed by combining two half box bodies 16, and a plurality of matched positioning columns 18 and positioning holes 17 are arranged on the connecting surfaces of the two half box bodies 16. The horizontal transmission of the transmission rod 10 is changed into vertical transmission of the coupler 9 and the screw 6 through the direction changer 8; the box comprises two half boxes 16, and both of them are inserted and matched with the positioning hole 17 through the positioning column 18, so that the assembly is more convenient and accurate.

The bottom end of the screw 7 of the preferred embodiment is connected with a limiting member 14. The stroke of the nut block 7 is limited, and the screw 6 is prevented from being separated from the nut block 7 due to excessive stroke.

In the preferred embodiment, as shown in fig. 4, a locking slot 15 is disposed at the other end of the screw 6, and the limiting member 14 is locked to the locking slot 15. The limiting part 14 is made of an elastic material and clamped on the clamping groove 10 like a clamp spring, so that the assembly and disassembly are convenient.

The bottom of the preferred lifting column 3 of this embodiment is connected with a supporting foot 19 arranged longitudinally, and two ends of the supporting foot 19 are provided with a cabinet foot 20. The supporting feet 19 are more stably supported, and the cabinet feet 20 are arranged to prevent the supporting feet 19 from wearing the ground or the floor.

In the preferred embodiment, as shown in fig. 6, the supporting foot 19 is a box-shaped structure with an open bottom, two ends of the bottom of the supporting foot 19 are fixedly connected with the fixing frames 21, and the cabinet foot 20 is screwed on the corresponding fixing frames 21. Bottom confined structure before comparing supporting legs 19, through setting up mount 21 that is used for connecting cabinet foot 20, can reduce supporting legs 19's material quantity, further reduce the cost, through cabinet foot 20 threaded connection on mount 21, make and to carry out the distance adjustment of take the altitude, when ground is uneven like placing, through cabinet foot 20's regulation, make supporting legs 19 can steadily place.

As shown in fig. 7, the driving rod 10 of the preferred embodiment includes a sleeve 22, a transmission rod 23 is sleeved on each end of the sleeve 20, the transmission rod 23 is connected to the input end of the direction changer 8 in the lifting column 3 on the corresponding side, and a fastening member 24 connected to the transmission rod is disposed at the end of the sleeve 20. The length of the transmission rod 10 is adjusted by adjusting the length of the transmission rod 23 entering the sleeve 22 and then fixing the transmission rod by the fastener 24, so that the transmission rod is suitable for being used by table tops 1 with different lengths and has better adaptability.

The preferred motor 25 and transmission 26 of this embodiment are bolted to the fixed tube 5 of one of the lifting columns 3. The motor base is not installed, and the screw holes are formed in the motor shell and the shell of the transmission device 26 and are directly and fixedly installed through bolts, so that the cost is further saved.

Claims

1. The utility model provides a simple and easy type lift table, includes the desktop, and the support frame is installed at the desktop back, and the lift post of synchronous lift is installed at the support frame both ends, and the lift post includes that sliding connection's activity pipe and fixed pipe are established to the endotheca, and fixed pipe rigid coupling is provided with the lead screw assembly through drive arrangement drive and with activity union coupling on the support frame in the fixed intraductal, its characterized in that: the screw rod assembly comprises a screw rod and a nut block in threaded connection with the screw rod, and the nut block is fixedly connected to the top of the movable pipe.

2. A simplified elevating table as set forth in claim 1, wherein: the fixed pipe top is provided with the diverter and the shaft coupling of being connected with the diverter output, the shaft coupling couples with the screw rod top, drive arrangement include the motor and with motor output shaft's transmission, through transmission drive pivoted transfer line, the transfer line both ends are connected with the diverter input in the lift post at support frame both ends respectively.

3. A simplified elevating table as set forth in claim 2, wherein: the direction changer comprises a box body, wherein a pair of meshed bevel gears is arranged in the box body, a transmission rod installing inlet is formed in the box body, the transmission rod is connected with the bevel gear at the input end through the transmission rod inlet, and the bevel gear at the output end is connected with a coupler.

4. A simplified elevating table as set forth in claim 1, wherein: the bottom end of the screw rod is connected with a limiting part.

5. A simplified lifting table according to claim 4, characterised in that: the other end of the screw rod is provided with a clamping groove, and the limiting part is clamped on the clamping groove.

6. A simplified elevating table as set forth in claim 3, wherein: the box body is formed by combining two half box bodies, and a plurality of matched positioning columns and positioning holes are arranged on the connecting surface of the two half box bodies.

7. A simplified elevating table as set forth in claim 1, wherein: the bottom of the lifting column is connected with supporting legs which are longitudinally arranged, and cabinet feet are arranged at two ends of the supporting legs.

8. A simplified elevating table as set forth in claim 7, wherein: the supporting legs are of a box-shaped structure with an opening at the bottom, two ends of the bottom of each supporting leg are fixedly connected with a fixing frame, and the cabinet legs are in threaded connection with the corresponding fixing frames.

9. A simplified elevating table as set forth in claim 2, wherein: the transmission rod comprises a sleeve, transmission rods are sleeved at two ends of the sleeve and connected with the input ends of the direction changers in the lifting columns on the corresponding sides, and fastening pieces connected with the transmission rods are arranged at the end parts of the sleeve.

10. A simplified elevating table as set forth in claim 2, wherein: the motor and the transmission device are fixed on the fixed pipe of one of the lifting columns through bolts.