CN219570670U

CN219570670U - Transmission rod of electric lifting table

Info

Publication number: CN219570670U
Application number: CN202320654523.2U
Authority: CN
Inventors: 陈政
Original assignee: Zhejiang Zhongwei Intelligent Furniture Co ltd
Current assignee: Zhejiang Zhongwei Intelligent Furniture Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-08-22
Anticipated expiration: 2033-03-27

Abstract

The utility model relates to the technical field of lifting tables and discloses a transmission rod of an electric lifting table, which comprises two rotating rods and rotating pipes, wherein the two rotating rods are in a straight prism shape, the rotating pipes are provided with through holes for embedding the rotating rods, the cross sections of the through holes are the same as those of the rotating rods, the outer surfaces of the rotating pipes are provided with through holes for communicating the through holes, and the rotating pipes are provided with fixing pieces which can penetrate through the through holes to apply acting force to the rotating rods.

Description

Transmission rod of electric lifting table

Technical Field

The utility model relates to the technical field of lifting tables, in particular to a transmission rod of an electric lifting table.

Background

The electric lifting table is a table capable of driving the tabletop to ascend and descend through a motor, and when the electric lifting table has only one motor, the motor needs to be driven through a transmission rod.

In the related art, the transmission rod comprises two rotating rods and a rotating tube, the two rotating rods are in a regular hexagonal prism shape, a through hole is formed in the rotating tube for the two rotating rods to be inserted, the cross section of the through hole is in a regular hexagon shape, and when the two rotating rods are respectively inserted into two ends of the rotating tube, one rotating rod can rotate to drive the other rotating rod to rotate together.

Because the rotating tube is sleeved on the two rotating rods, a fixed structure is absent, the rotating tube can slide on the rotating rods, so that the rotating tube can possibly separate from the rotating rods, the rotating rods are not easy to drive the other rotating rod to rotate, and the lifting table cannot be normally used.

Disclosure of Invention

In order to solve the problem that the rotating tube can slide on the rotating rod, the utility model provides a transmission rod of an electric lifting table.

The utility model provides a transmission rod of an electric lifting table, which adopts the following technical scheme:

the utility model provides a transfer line of electric lift table, includes two dwang and dwang, two the dwang is straight prismatic, set up the through-hole that supplies the dwang embedding on the dwang, the cross section of through-hole is the same with the cross section of dwang, the perforation of intercommunication through-hole has been seted up on the surface of dwang, be equipped with the mounting on the dwang, the mounting can pass the perforation and applys effort to the dwang.

Through adopting above-mentioned technical scheme, at first install the swinging tube on a swinging rod, let the swinging tube follow the swinging rod and keep away from the direction of another swinging rod and slide, twist the swinging tube again, let the swinging tube align with the swinging rod that does not install on the swinging tube, make another swinging rod can install on the swinging tube, pass the through-hole with the mounting at last, let the mounting to the terminal surface butt of swinging rod orientation through-hole, make the mounting apply effort to the swinging rod, thereby let the swinging rod receive the effort of mounting and be difficult for sliding, make the swinging tube be difficult for sliding along the length direction of swinging rod.

Optionally, the diameter of the through hole is the same as the width of the side edge of the rotating rod, and when the fixing piece is embedded into the through hole, the fixing piece is attached to the wall of the through hole.

Through adopting above-mentioned technical scheme, through increasing the area of contact of mounting with the dwang to under the same circumstances of pressure, can reduce the pressure that the mounting received, and then let the structural strength of mounting obtain promoting, make the mounting also can satisfy the fixed action of mounting to the dwang when the material grade is lower.

Optionally, the fixing member includes a fixing bolt, the fixing bolt can be installed in the through hole, and when the fixing bolt is installed in the through hole, and the rotating rod is embedded in the through hole, the fixing bolt abuts against the outer surface of the rotating rod.

Through adopting above-mentioned technical scheme, through fixing bolt and the pore wall threaded connection of through-hole for fixing bolt is difficult to break away from in the through-hole, thereby lets fixing bolt keep the butt to the dwang, makes fixing bolt exert effort to the dwang always, and then lets the dwang receive effort and be difficult for carrying out the slip in the through-hole.

Optionally, the fixing bolt has a pitch diameter greater than the diameter of the perforation.

By adopting the technical scheme, as the intermediate diameter is larger than the diameter of the through hole, the fixing bolt is in interference fit with the through hole, so that the firmness degree between the fixing bolt and the through hole is improved; meanwhile, as the contact area of the fixing bolt and the wall of the through hole is related to the length of the through hole and the depth of the fixing bolt embedded into the through hole, when the middle diameter is larger than the diameter of the through hole, the depth of the fixing bolt embedded into the through hole is increased, the engagement area of the fixing bolt and the through hole is increased, the connection strength of the bolt and the rotating tube is improved, and the rotating tube and the fixing bolt are connected more firmly.

Optionally, the mounting includes countersunk head bolt, perforated pore wall and countersunk head bolt screw thread fit, works as countersunk head bolt installs in the perforation, just when the dwang embedding through-hole is interior, countersunk head bolt butt dwang's surface, the caulking groove has been seted up on the surface of rotating the pipe, the caulking groove supplies countersunk head bolt's head embedding.

Through adopting above-mentioned technical scheme, because countersunk head bolt and the pore wall threaded connection of through-hole for countersunk head bolt can exert effort to the dwang, and countersunk head bolt's head embedding caulking groove is interior, produce the influence when making countersunk head bolt be difficult for rotating the rotation pipe, thereby let the rotation pipe need not occupy more spaces when rotating, make the transfer line can save space, and when people's leg hits on the rotation pipe, let the difficult contact countersunk head bolt of leg, reduce countersunk head bolt's injury to the leg.

Optionally, a plurality of through holes are formed, the through holes are distributed in an array along the length direction of the rotating tube, and the number of the countersunk bolts is the same as that of the through holes.

Through adopting above-mentioned technical scheme, through being provided with a plurality of countersunk head bolts, the effort of countersunk head bolt to the dwang is convenient for increase for it is more firm between dwang and the countersunk head bolt, thereby lets the rotation pipe be difficult for rotating in the rotation pipe.

Optionally, the rotating tube is cylindrical.

By adopting the technical scheme, the rotating pipe is cylindrical, so that the bending resistance of the rotating pipe is higher, the rotating pipe can also meet the function of driving the rotating rod to rotate when the structural strength is lower, and the cost of the rotating pipe can be reduced; meanwhile, as the rotating tube is cylindrical, when people use the electric lifting table, the legs are carelessly touched with the rotating tube, the surface of the rotating tube is more round, and the legs are not easy to damage.

Optionally, a frosting surface is arranged on the outer surface of the rotating tube, and people can rotate the rotating tube by using the frosting surface.

Through adopting above-mentioned technical scheme, be equipped with the frosting through the rotation pipe outward, increase the roughness of rotation pipe surface for the rotation pipe is convenient for people rotate, thereby lets the rotation pipe align with the dwang that does not install on the rotation pipe.

Optionally, a chamfer is formed on the end face of the rotating rod facing the other rotating rod.

Through adopting above-mentioned technical scheme, because the edges and corners of the straight prism of dwang is the chamfer for when the dwang removes to the dwang direction, let the dwang can correct by oneself in certain scope, let the dwang need not to align with the dwang is complete, thereby the dwang embedding of being convenient for is in the through-hole.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the fixing piece passes through the through hole, so that the fixing piece is abutted with the side edge of the rotating rod, the fixing piece keeps applying acting force to the rotating rod, the rotating rod is not easy to slide in the through hole, and the rotating pipe is not easy to move along the length direction of the rotating rod.

2. The contact area between the fixing piece and the rotating rod is increased, so that the pressure intensity born by the fixing piece can be reduced under the condition of the same pressure, the structural strength of the fixing piece is improved, the requirement of the fixing piece can be met when the material grade is lower, and the fixing effect of the fixing piece on the rotating rod is realized.

3. The fixing bolt is used for carrying out bolted connection on the hole wall of the through hole, so that the fixing bolt is not easy to separate from the perforated hole wall, and accordingly acting force is applied to the rotating rod by the fixing bolt, and the rotating rod is not easy to slide in the rotating tube.

Drawings

Fig. 1 is a schematic structural view of embodiment 1;

FIG. 2 is a schematic view showing a partial structure of a chamfer in example 1;

FIG. 3 is a cross-sectional view of the male fastener element of example 1;

fig. 4 is a schematic structural view of embodiment 2;

fig. 5 is a sectional view showing the fixing member in example 2.

Reference numerals: 1. a rotating lever; 11. chamfering; 2. a rotary tube; 21. a through hole; 22. perforating; 23. a caulking groove; 24. a frosted surface; 3. a fixing member; 31. a fixing bolt; 32. countersunk bolts.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-5.

Example 1

The embodiment discloses a transmission rod of an electric lifting table. Referring to fig. 1, a transmission rod of an electric lifting table comprises two rotating rods 1 and a rotating tube 2. Both rotating rods 1 are in a regular hexagonal prism shape, the rotating tube 2 is in a cylindrical shape, and the outer circumferential surface of the rotating tube 2 is provided with a frosted surface 24.

Referring to fig. 1 and 2, a chamfer 11 is provided on the end surface of the rotating rod 1 facing the other rotating rod 1.

Referring to fig. 3, a through hole 21 is formed in an end surface of the rotation tube 2, the cross section of the through hole 21 is regular hexagon, and the through hole 21 is used for embedding the rotation rod 1. When the rotation lever 1 is fitted into the through hole 21, the side edge of the rotation lever 1 abuts against the wall of the through hole 21.

Referring to fig. 3, a perforated hole 22 is formed in the outer circumferential surface of the rotary tube 2, and the diameter of the perforated hole 22 is the same as the width of the side edge of the rotary rod 1. The rotary tube 2 is provided with a fixing member 3, the fixing member 3 is used for abutting against the rotary rod 1, and the fixing member 3 can be fixed in the through hole 22.

Referring to fig. 3, the fixing member 3 includes a fixing bolt 31, the middle diameter of the fixing bolt 31 is larger than the hole wall of the through hole 22, and the diameter of the fixing bolt 31 toward the end face of the rotation rod 1 is larger than the width of the side edge of the rotation rod 1. When the fixing bolt 31 is installed in the through hole 22 and the rotary rod 1 is positioned in the rotary tube 2, the end surface of the fixing bolt 31 away from the outer circumferential surface of the rotary tube 2 abuts against the side edge of the rotary rod 1.

The implementation principle of the embodiment 1 is as follows: the staff aligns the perforation 22 of the rotary tube 2 with the rotary rod 1 at first, let the rotary rod 1 imbed in the through hole 21, then move the rotary tube 2 to the direction of the rotary rod 1 installed in the rotary tube 2, drive the rotary tube 2 to rotate, realize the through hole 21 of the rotary tube 2 aligns with the rotary rod 1 not installed on the rotary tube 2, let the rotary rod 1 not installed on the rotary tube 2 imbed in the through hole 21, install two fixing bolts 31 in the corresponding perforation 22 finally.

Example 2

Referring to fig. 4, this embodiment is different from embodiment 1 in that a plurality of through holes 21 are provided, and the plurality of through holes 21 are arrayed along the length direction of the rotary pipe 2. The fixing member 3 includes countersunk bolts 32, and the countersunk bolts 32 are the same in number as the through holes 21.

Referring to fig. 4 and 5, the outer surfaces of the plurality of countersunk bolts 32 are each threadably engaged with the walls of the corresponding bore 22. When the countersunk head bolts 32 are installed in the through holes 22 and the rotating rod 1 is fitted into the through holes 21, the countersunk head bolts 32 abut the rotating rod 1 toward the end face of the rotating rod 1. The outer surface of the rotary tube 2 provided with the through hole 22 is provided with a caulking groove 23 for embedding the countersunk head bolt 32, and the caulking groove 23 is communicated with the through hole 22. When the countersunk head bolts 32 are mounted in the through holes 22, the end faces of the countersunk head bolts 32 remote from the through holes 21 are coplanar with the outer surface of the rotary pipe 2.

The implementation principle of the embodiment 2 is as follows: the worker connects the countersunk head bolts 32 with the hole walls of the through holes 22 by bolting the heads of the countersunk head bolts 32 into the caulking grooves 23.

The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the design concept of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a transfer line of electric lift table, includes two dwang (1) and pivoted tube (2), its characterized in that: two dwang (1) are straight prism, offer through-hole (21) that supply dwang (1) embedding on dwang (2), the cross section of through-hole (21) is the same with the cross section of dwang (1), perforated (22) of intercommunication through-hole (21) have been seted up on the surface of dwang (2), be equipped with mounting (3) on dwang (2), mounting (3) can pass perforation (22) and apply effort to dwang (1).

2. The drive link for an electric lift table of claim 1 wherein: the diameter of the through hole (22) is the same as the width of the side edge of the rotating rod (1), and when the fixing piece (3) is embedded into the through hole (22), the fixing piece (3) is attached to the wall of the through hole (22).

3. The drive link for an electric lift table of claim 2 wherein: the fixing piece (3) comprises a fixing bolt (31), the fixing bolt (31) can be installed in the through hole (22), and when the fixing bolt (31) is installed in the through hole (22), and the rotating rod (1) is embedded in the through hole (21), the fixing bolt (31) is abutted against the outer surface of the rotating rod (1).

4. A drive rod for an electric lift table as claimed in claim 3, wherein: the diameter of the fixing bolt (31) is larger than the diameter of the through hole (22).

5. The drive link for an electric lift table of claim 2 wherein: the fixing piece (3) comprises a countersunk head bolt (32), the hole wall of the through hole (22) is in threaded fit with the countersunk head bolt (32), the countersunk head bolt (32) is installed in the through hole (22), when the rotating rod (1) is embedded into the through hole (21), the countersunk head bolt (32) is abutted to the outer surface of the rotating rod (1), an embedded groove (23) is formed in the outer surface of the rotating tube (2), and the embedded groove (23) is used for embedding the head of the countersunk head bolt (32).

6. The drive link for an electric lift table of claim 5 wherein: the through holes (21) are formed in a plurality, the through holes (21) are distributed in an array mode along the length direction of the rotating pipe (2), and the number of countersunk bolts (32) is the same as that of the through holes (21).

7. The drive link for an electric lift table of claim 1 wherein: the rotating pipe (2) is cylindrical.

8. The drive link for an electric lift table of claim 1 wherein: the outer surface of the rotating pipe (2) is provided with a frosting surface (24), and the frosting surface (24) is used for people to rotate the rotating pipe (2).

9. The drive link for an electric lift table of claim 1 wherein: the end face of the rotating rod (1) facing the other rotating rod (1) is provided with a chamfer (11).