CN210383145U

CN210383145U - Lifting heating table

Info

Publication number: CN210383145U
Application number: CN201920956876.1U
Authority: CN
Inventors: 陈善毛
Original assignee: Zhongshan Sims Electrical Appliance Co ltd
Current assignee: Zhongshan Sims Electrical Appliance Co ltd
Priority date: 2019-06-22
Filing date: 2019-06-22
Publication date: 2020-04-24
Anticipated expiration: 2029-06-22

Abstract

The utility model relates to a lift heating table, including synchronous drive device, synchronous drive device includes motor, drive screw and drive gear again, and drive gear installs the tip at drive screw, and motor drive screw is rotatory, and the drive gear at its both ends is taken in the rotation of drive screw is rotatory, its characterized in that: two ends of the transmission screw rod are inserted into the transmission gear body correspondingly to one end of the transmission gear respectively, the other end of at least one transmission gear in the two transmission gears is sealed to form a cavity, a spring is arranged in the cavity, one end of the spring is propped against the wall of the cavity, and the other end of the spring is propped against the transmission screw rod, so that the transmission screw rod cannot move along the axial direction of the transmission screw rod. The utility model has the advantages of simple and reasonable design, make drive screw by spacing between two drive gear through the spring, the transmission is reliable, through adjusting spring's elasticity, can effectively make drive screw can not follow its axial displacement, still can ensure that drive screw can not follow and drop between two drive gear.

Description

Lifting heating table

Technical Field

The utility model relates to a lifting heating table.

Background

The existing lifting heating table comprises a synchronous transmission device and a lifting device, wherein the synchronous transmission device comprises a motor, a transmission screw rod and a transmission gear, the transmission gear is arranged at the end part of the transmission screw rod, the motor drives the transmission screw rod to rotate, the transmission screw rod rotates to drive the transmission gears at two ends of the transmission screw rod to rotate, the transmission gear rotates to change the transmission in the horizontal direction by 90 degrees, so that the next transmission screw rod rotates, and meanwhile, the transmission gear rotates to drive the lifting device to lift. The transmission screw is rigid, the position between two transmission gears is fixed and unchangeable, when the transmission screw needs to be installed or replaced, the transmission screw cannot be installed or replaced due to the position relation, at present, the transmission screw is limited between the two transmission gears in various methods, the 1 st method divides one transmission screw into two sections, the two sections of transmission screws are connected through a transition piece to realize synchronous rotation, the method cannot be taken, the number of parts is large, the transition piece is easy to loosen, the 2 nd method is that the transmission screw is cut slightly shorter, installation gaps are formed between the two ends of the transmission screw and the corresponding transmission gears, the transmission screws can be respectively inserted into the two transmission gears, in order to ensure that the transmission screw cannot axially move, a groove needs to be formed in the surface of the transmission screw, a positioning ring is clamped in the groove, and the structure is high in cost, multiple in procedures and difficult to install. The 3 rd patent is the patent that the applicant has applied for by itself, and is that the outer surface of the transmission screw is provided with a positioning piece, the positioning piece is fixed with the table plate, the positioning piece locks the transmission screw in the axial direction, but the transmission screw in the radial direction can rotate relative to the positioning piece, the structure is also high in cost, and the friction force between the positioning piece and the transmission screw is large, so that the rotation of the transmission screw is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a make drive screw install fast, location reliable lift heating table.

The purpose of the utility model is realized like this:

a lifting heating table comprises a synchronous transmission device, wherein the synchronous transmission device comprises a motor, transmission screw rods and transmission gears, the transmission gears are arranged at the end parts of the transmission screw rods, the motor drives the transmission screw rods to rotate, the transmission screws at two ends of the transmission screw rods rotate, two end heads of the transmission screw rods are inserted into the transmission gear bodies correspondingly to one end heads of the transmission gears respectively, the other end head of at least one transmission gear in the two transmission gears is sealed to form a cavity, a spring is arranged in the cavity, one end of the spring abuts against the wall of the cavity, and the other end of the spring abuts against the transmission screw rods, so that the transmission screw rods cannot move along the axial direction of. The utility model has the advantages of simple and reasonable design, distance between two drive gear is greater than drive screw length, makes things convenient for drive screw installation and dismantlement, establishes the spring among the drive gear, makes drive screw spacing between two drive gear through the spring, and the transmission is reliable, and elasticity through regulating spring can effectively make drive screw can not follow its axial displacement or only can remove a little one section distance, nevertheless still can ensure that drive screw can not follow and drop between two drive gear.

The technical scheme can be further perfected as follows.

Furthermore, the other end of the other transmission gear in the two transmission gears is axially communicated along a transmission screw, the transmission gear is provided with a gear box assembly, and the end of the transmission screw penetrates through the transmission gear and abuts against the inner wall of the gear box.

The utility model has the advantages as follows:

the utility model has the advantages of simple and reasonable design, distance between two drive gear is greater than drive screw length, makes things convenient for drive screw installation and dismantlement, establishes the spring among the drive gear, makes drive screw spacing between two drive gear through the spring, and the transmission is reliable, and elasticity through regulating spring can effectively make drive screw can not follow its axial displacement or only can remove a little one section distance, nevertheless still can ensure that drive screw can not follow and drop between two drive gear.

Drawings

Fig. 1 is a perspective view of a lifting warming table.

Fig. 2 is a bottom view of the elevating warming table.

Fig. 3 is a schematic diagram of the synchronous transmission device and the transmission of the lifting device of the lifting warming table.

Fig. 4 is a schematic view of the assembly of the synchronous transmission device and the lifting device of the lifting heating table.

Fig. 5 is an enlarged view of a portion a of fig. 4.

Fig. 6 is a schematic view of the transmission fit of the first transmission rotating shaft, the first transmission gear and the second transmission gear in embodiment 1 of the lifting warming table.

Fig. 7 is a schematic view of the assembly of the first transmission rotating shaft, the first transmission gear and the second transmission gear of embodiment 1 of the elevating warming table.

Figure 8 is a schematic cross-sectional view of the first transmission shaft, the first transmission gear and the second transmission gear transmission assembly of embodiment 1 of the elevating warming table.

Fig. 9 is a schematic view of the transmission fit of the first transmission rotating shaft, the first transmission gear and the second transmission gear of embodiment 2 of the elevating warming table.

Fig. 10 is a schematic view of the assembly of the first transmission rotating shaft, the first transmission gear and the second transmission gear of the embodiment 2 of the elevating warming table.

Fig. 11 is a schematic view of the transmission fit of the first transmission rotating shaft, the first transmission gear and the second transmission gear of embodiment 3 of the elevating warming table.

Fig. 12 is a schematic view of the assembly of the first transmission rotating shaft, the first transmission gear and the second transmission gear of embodiment 3 of the elevating warming table.

Figure 13 is an exploded view of the elevating warming table.

Detailed Description

The invention is further described with reference to the following figures and examples:

embodiment 1, as shown in fig. 1 to 8, a lifting heating table includes a table 5 and a synchronous transmission device 6, and a first table leg 1, a second table leg 2, a third table leg 3, and a fourth table leg 4 are respectively disposed at four corners of the table 5.

Referring to fig. 13, the first table leg 1 includes a first housing 13, a first lifting table leg 14 and a first lifting device 11, the first lifting table leg 14 is disposed in the first housing 13, and a first gear box 12 is disposed at the bottom of the first housing 13.

The second table leg 2 comprises a second shell 23, a second lifting table leg 24 and a second lifting device 21, the second lifting table leg 24 is arranged in the second shell 23, and a second gear box 22 is arranged at the bottom of the second shell 23.

The third table leg 3 comprises a third shell 33, a third lifting table leg 34 and a third lifting device 31, the third lifting table leg 34 is arranged in the third shell 33, and a third gear box 32 is arranged at the bottom of the third shell 33.

The fourth table leg 4 comprises a fourth shell 43, a fourth lifting table leg 44 and a fourth lifting device 41, the fourth lifting table leg 44 is arranged in the fourth shell 43, and a fourth gear box 42 is arranged at the bottom of the fourth shell 43.

The first lifting device 11 comprises a first screw 111 and a first nut 112, the first nut 112 and the first lifting table leg 14 are connected and sleeved on the first screw 111, the first nut 112 slides along the first screw 111, so as to drive the first lifting table leg 14 to lift, and a first transition gear 51 is arranged at the lower end of the first screw 111.

The second lifting device 21 comprises a second screw 211 and a second nut 212, the second nut 212 and the second lifting table leg 24 are connected and sleeved on the second screw 211, the second nut 212 slides along the second screw 211 to drive the second lifting table leg 24 to lift, and a second transition gear 52 is arranged at the lower end of the second screw 211.

The third lifting device 31 comprises a third screw 311 and a third nut 312, the third nut 312 and the third lifting table leg 34 are connected and sleeved on the third screw 311, the third nut 312 slides along the third screw 311, so as to drive the third lifting table leg 34 to lift, and a third transition gear 53 is arranged at the lower end of the third screw 311.

The fourth lifting device 41 includes a fourth screw 411 and a fourth nut 412, the fourth nut 412 and the fourth lifting table leg 44 are connected and sleeved on the fourth screw 411, the fourth nut 412 slides along the fourth screw 411 to drive the fourth lifting table leg 44 to lift, and a fourth transition gear 54 is disposed at a lower end of the fourth screw 411.

The synchronous transmission device 6 comprises a first transmission rotating shaft 61, a second transmission rotating shaft 62, a third transmission rotating shaft 63 and a motor 64, wherein the motor 64 drives the first transmission rotating shaft 61 to rotate.

One end of the first transmission rotating shaft 61 is provided with a first transmission gear 71, and the other end of the first transmission rotating shaft 61 is provided with a second transmission gear 72.

One end of the second transmission rotating shaft 62 is provided with a third transmission gear 73, and the other end of the second transmission rotating shaft 62 is provided with a fourth transmission gear 74.

One end of the third transmission rotating shaft 63 is provided with a fifth transmission gear 75, and the other end of the third transmission rotating shaft 63 is provided with a sixth transmission gear 76.

The first transmission gear 71 and the first transition gear 51 are arranged in the first gear box 12, and the first transmission gear 71 is meshed with the first transition gear 51, so that the first transmission rotating shaft 61 rotates to drive the first lifting screw rod to rotate.

The second transmission gear 72, the third transmission gear 73 and the second transition gear 52 are arranged in the second gear box 22, the second transmission gear 72 is meshed with the second transition gear 52, so that the first transmission rotating shaft 61 rotates to drive the second lifting screw rod to rotate, and meanwhile, the second transmission gear 72 is meshed with the third transmission gear 73, so that the first transmission rotating shaft 61 rotates to drive the second transmission rotating shaft 62 to rotate to transmit power.

The fourth transmission gear 74, the third transition gear 53 and the fifth transmission gear 75 are arranged in the third gear box 32, the fourth transmission gear 74 is meshed with the third transition gear 53, so that the second transmission rotating shaft 62 rotates to drive the third lifting screw rod to rotate, and meanwhile, the fourth transmission gear 74 is meshed with the fifth transmission gear 75, so that the second transmission rotating shaft 62 rotates to drive the third transmission rotating shaft 63 to rotate to transmit power.

The sixth transmission gear 76 and the fourth transition gear 54 are arranged in the fourth gear box 42, the sixth transmission gear 76 is meshed with the fourth transition gear 54, and the third transmission rotating shaft 63 rotates to drive the fourth lifting screw rod to rotate.

Embodiment 1, with reference to fig. 6 to 8, the end of the first transmission gear 71 is provided with a cavity 8 along the axial direction thereof, the inner wall of one end of the cavity 8 is sealed, the other end of the cavity 8 is open, and the cavity 8 is further provided with a spring 7. The end of the second transmission gear 72 is provided with a cavity 8 along the axial direction, the inner wall of one end of the cavity 8 is sealed, and the other end of the cavity 8 is opened.

Taking the first transmission rotating shaft 61 as an example, one end of the first transmission rotating shaft 61 is inserted into the cavity 8 of the first transmission gear 71 along the opening, one end of the spring 7 abuts against the inner wall of the cavity 8, the other end of the spring 7 abuts against the end of the first transmission rotating shaft 61, the other end of the first transmission rotating shaft 61 is inserted into the cavity 8 of the second transmission gear 72 along the opening until abutting against the inner wall of the cavity 8, and by adjusting the elastic force of the spring 7, the first transmission rotating shaft 61 can be effectively prevented from moving along the axial direction thereof or can only move for a small distance, but the transmission screw can still be ensured not to fall off from between the two transmission gears. The connection structure and connection mode of the second transmission rotating shaft 62 and the third transmission rotating shaft 63 are the same as those of the first transmission rotating shaft 61.

Embodiment 2, with reference to fig. 9 to 10, the end of the first transmission gear 71 is provided with a cavity 8 along the axial direction thereof, the inner wall of one end of the cavity 8 is sealed, the other end of the cavity 8 is open, and the cavity 8 is further provided with a spring 7. The end of the second transmission gear 72 is provided with a cavity 8 along the axial direction, the inner wall of one end of the cavity 8 is sealed, one end of the cavity 8 is opened, and the cavity 8 is also internally provided with a spring 7.

Taking the first transmission rotating shaft 61 as an example, one end of the first transmission rotating shaft 61 is inserted into the cavity 8 of the first transmission gear 71 along the opening, one end of the spring 7 is abutted against the inner wall of the cavity 8, the other end of the spring 7 is abutted against the end of the first transmission rotating shaft 61, the other end of the first transmission rotating shaft 61 is inserted into the cavity 8 of the second transmission gear 72 along the opening, one end of the spring 7 is abutted against the inner wall of the cavity 8, the other end of the spring 7 is abutted against the end of the first transmission rotating shaft 61, by adjusting the elastic force of the spring 7, the first transmission rotating shaft 61 can be effectively prevented from moving along the axial direction thereof or can only move for a small distance, but the transmission screw can still be ensured not to fall off. The connection structure and connection mode of the second transmission rotating shaft 62 and the third transmission rotating shaft 63 are the same as those of the first transmission rotating shaft 61.

Embodiment 3, with reference to fig. 11 to 12, the end of the first transmission gear 71 is provided with a cavity 8 along the axial direction thereof, the inner wall of one end of the cavity 8 is sealed, one end of the cavity 8 is open, and the cavity 8 is further provided with a spring 7. The end of the second transmission gear 72 is provided with a cavity 8 which is through from front to back along the axial direction.

Taking the first transmission rotating shaft 61 as an example, one end of the first transmission rotating shaft 61 is inserted into the cavity 8 of the first transmission gear 71 along the opening, one end of the spring 7 is abutted against the inner wall of the cavity 8, the other end of the spring 7 is abutted against the end of the first transmission rotating shaft 61, the other end of the first transmission rotating shaft 61 passes through the cavity 8 of the second transmission gear 72 and is abutted against the inner wall of the first gear box 12, and by adjusting the elastic force of the spring 7, the first transmission rotating shaft 61 can be effectively prevented from moving along the axial direction thereof or can only move for a small distance, but the transmission screw can still be ensured not to fall off from between the two transmission gears. The connection structure and connection mode of the second transmission rotating shaft 62 and the third transmission rotating shaft 63 are the same as those of the first transmission rotating shaft 61.

Claims

1. The utility model provides a lift heating table, includes synchronous transmission device, synchronous transmission device includes motor, drive screw and drive gear again, and drive gear installs the tip at drive screw, and motor drive screw is rotatory, and the rotatory drive gear who takes its both ends of drive screw is rotatory, its characterized in that: two ends of the transmission screw rod are inserted into the transmission gear body correspondingly from one end of the transmission gear respectively, the other end of at least one of the two transmission gears is sealed to form a cavity, a spring is arranged in the cavity, one end of the spring is propped against the wall of the cavity, and the other end of the spring is propped against the transmission screw rod, so that the transmission screw rod cannot move along the axial direction of the transmission screw rod.

2. A lifting heating table according to claim 1, characterised in that: the other end of the other transmission gear in the two transmission gears is axially communicated along the transmission screw, the transmission gear is provided with a gear box assembly, and the end of the transmission screw penetrates through the transmission gear and is propped against the inner wall of the gear box.