CN217898395U - Transmission structure of electric lifting table - Google Patents

Transmission structure of electric lifting table Download PDF

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Publication number
CN217898395U
CN217898395U CN202221419023.2U CN202221419023U CN217898395U CN 217898395 U CN217898395 U CN 217898395U CN 202221419023 U CN202221419023 U CN 202221419023U CN 217898395 U CN217898395 U CN 217898395U
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outer hexagonal
transmission
rod
axis
pipe
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Chinese (zh)
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陈国威
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Zhejiang Zhongwei Intelligent Furniture Co ltd
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Zhejiang Zhongwei Intelligent Furniture Co ltd
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Abstract

The utility model relates to a lift table field specifically discloses an electric lift table transmission structure, it includes the driving pipe and connects the outer hexagonal transfer line at driving pipe both ends respectively, be provided with coupling assembling on at least one outer hexagonal transfer line, coupling assembling is including setting up the first connecting piece on outer hexagonal transfer line and setting up the second connecting piece on the driving pipe, first connecting piece includes a plurality of first connecting teeth that set up on outer hexagonal transfer line, each first connecting tooth is the equipartition around the axis of outer hexagonal transfer line, the second connecting piece includes a plurality of second connecting teeth, each second connecting tooth is circumference equipartition around the axis of driving pipe, be formed with between the double-phase adjacent second connecting tooth and be used for supplying first connecting tooth to insert the connection space of establishing, the cross-sectional width of the tip that outer hexagonal transfer line was kept away from to first connecting tooth increases progressively to the direction of adjacent outer hexagonal transfer line. This application has the effect that improves the simplicity and convenience when electric lift table transmission structure installs.

Description

Transmission structure of electric lifting table
Technical Field
The application relates to the field of lifting tables, in particular to an electric lifting table transmission structure.
Background
The electric lifting table is one of lifting tables, a motor is used as a driving source to drive a transmission structure, and the transmission structure transmits the driving force of the motor to a lifting structure positioned in table legs, so that the lifting of a table top is realized.
In the related art, the transmission structure of the electric lifting table comprises a transmission pipe and two outer hexagonal transmission rods respectively connected to two ends of the transmission pipe, wherein the outer hexagonal transmission rods are used for being matched and connected with the lifting structure in the table legs. The end parts of the two outer hexagonal transmission rods are connected with connecting blocks, the cross-sectional shapes of the connecting blocks and the cross-sectional shape of the inner cavity of the transmission pipe are both polygonal, and the connecting blocks are inserted into the inner cavity of the transmission pipe.
When the transmission structure of the electric lifting table is installed, the end part of one outer hexagonal transmission rod is connected with the lifting structure of one table leg, and then the end part of the other outer hexagonal transmission rod is connected with the lifting structure of the other table leg. After the outer hexagonal transmission rod is connected with the lifting structure, the outer hexagonal transmission rod can still keep connection by sliding and adjusting along the axial direction of the outer hexagonal transmission rod. And after the transmission rod is connected with the connecting block on one of the outer hexagonal transmission rods, the outer hexagonal transmission rod and the transmission pipe are moved to the direction close to the other outer hexagonal transmission rod. And finally, continuously moving the transmission pipe to insert the rest connecting blocks into the inner cavity of the connecting pipe, thereby completing the connection.
In the process of implementing the application, the inventor finds that at least the following problems exist in the technology: after the two outer hexagonal transmission rods are respectively connected with different lifting structures and the transmission pipe is connected with one of the outer hexagonal transmission pipes, the transmission pipe is rotated or the outer hexagonal transmission rods are rotated to drive one of the lifting structures, so that the rotation resistance is large, and the connecting block needs to be completely aligned with the inner cavity of the transmission pipe to be inserted into the inner cavity of the connecting pipe, so that the installation of workers is inconvenient and needs to be improved.
SUMMERY OF THE UTILITY MODEL
In order to improve the simplicity when electric lift table transmission structure installs, this application provides an electric lift table transmission structure.
The application provides a pair of electric lift table transmission structure adopts following technical scheme:
the utility model provides an electric lift table transmission structure, includes the driving pipe and connects the outer hexagonal transfer line at driving pipe both ends respectively, at least one be provided with the coupling assembling that is used for connecting outer hexagonal transfer line and driving pipe on the outer hexagonal transfer line, coupling assembling is including setting up the first connecting piece on outer hexagonal transfer line and setting up the second connecting piece on the driving pipe, first connecting piece includes a plurality of first connecting teeth that set up on outer hexagonal transfer line, each first connecting tooth is the equipartition around the axis of outer hexagonal transfer line, the second connecting piece includes a plurality of seconds and connects the tooth, each the second is connected the tooth and is circumference equipartition around the axis of driving pipe, and is double-phase adjacent be formed with between the second and be used for supplying first connecting tooth to insert the connection space of establishing, the cross-sectional width of the tip that outer driving pipe was kept away from to first connecting tooth along the direction of adjacent outer hexagonal transfer line increase progressively.
Through adopting above-mentioned technical scheme, when installing the transmission structure of this application electric lift table, earlier be connected with the outer hexagonal transfer line and the transmission pipe separation of first connecting piece, again with two outer hexagonal transfer lines respectively with the different table legs on elevation structure be connected. And then the transmission rod and the outer hexagonal transmission rod connected with the first connecting piece are moved oppositely. If each first connecting tooth is directly inserted into the corresponding connecting space, the connection and the matching of the outer hexagonal transmission rod and the transmission pipe are directly completed. If the first connecting teeth and the corresponding connecting spaces have deviation, the end parts, far away from the outer hexagonal transmission rod, of the first connecting teeth can be abutted against the second connecting teeth. Because the width of the section of the end part of the first connecting tooth, which is far away from the outer hexagonal transmission rod, is increased progressively along the direction from the first connecting tooth to the adjacent outer hexagonal transmission rod, the transmission pipe and the outer hexagonal transmission rod can rotate relatively until the first connecting tooth is aligned with the corresponding connecting space.
Through the structure, the working personnel only need to apply axial force to the outer hexagonal transmission rod and the transmission pipe, the outer hexagonal transmission rod and the transmission pipe can be matched in a plugging mode, and the simplicity of the electric lifting table transmission structure during installation is improved.
Optionally, the cross-sectional width of the second connecting tooth decreases progressively along a direction from the second connecting tooth to the adjacent outer hexagonal transmission rod.
By adopting the technical scheme, when the transmission rod is in plug fit with the outer hexagonal transmission rod, the second connecting teeth are arranged, so that on one hand, when the first connecting teeth are not aligned with the corresponding connecting spaces, the relative rotation correction of the transmission pipe and the outer hexagonal transmission rod is facilitated; on the other hand makes resistance crescent when first connecting tooth inserts the space of connecting, has still improved the joint strength who connects through coupling assembling when guaranteeing to connect the simplicity.
Optionally, the distance between the end face of the outer hexagonal transmission rod away from the first connecting tooth and the outer hexagonal transmission rod increases progressively along the direction from the end face of the outer hexagonal transmission rod close to the axis of the outer hexagonal transmission rod to the end face of the outer hexagonal transmission rod away from the axis of the outer hexagonal transmission rod.
Through adopting above-mentioned technical scheme, when first connecting tooth supported and pressed on the second connecting tooth, the first connecting tooth that so sets up has reduced the area of contact of first connecting tooth and second connecting tooth, helps first connecting tooth to connect the tooth removal for the second, helps first connecting tooth immigration to connect the space promptly.
Optionally, the distance between the end face of the second connecting tooth close to the adjacent outer hexagonal transmission rod and the adjacent outer hexagonal transmission rod increases progressively along the direction from the end face close to the axis of the transmission pipe to the end face far away from the axis of the transmission pipe.
Through adopting above-mentioned technical scheme, the second that so sets up is connected the tooth and has further reduced first connection tooth and second and is connected area of contact between the two when the tooth is contradicted to stability between outer hexagonal transfer line and the driving pipe when having reduced first connection tooth and the conflict of second connection tooth, so that outer hexagonal transfer line and driving pipe directly change and take place relative rotation.
Optionally, the first connecting piece further comprises a rotating ring arranged on the outer hexagonal transmission rod, an axis of the rotating ring is collinear with an axis of the outer hexagonal transmission rod, the second connecting piece further comprises a rotating rod arranged on the transmission pipe, and the axis of the rotating rod is collinear with the axis of the transmission pipe; or
The first connecting piece further comprises a rotating rod arranged on the outer hexagonal transmission rod, the axis of the rotating rod is collinear with the axis of the outer hexagonal transmission rod, the second connecting piece further comprises a rotating ring arranged on the transmission pipe, and the axis of the rotating ring is collinear with the axis of the transmission pipe;
the rotating ring is used for inserting the rotating rod.
Through adopting above-mentioned technical scheme, when connecting outer hexagonal transfer line and transmission pipe, insert the dwang in the swivel becket, the direct cooperation of dwang and swivel becket has improved the joint strength behind outer hexagonal transfer line and the transmission union coupling.
Optionally, when the rotating ring is arranged on the outer hexagonal transmission rod and the rotating rod is arranged on the transmission pipe, the end part of the rotating ring, which is far away from the outer hexagonal transmission rod, exceeds the end part of the first connecting tooth, which is far away from the outer hexagonal transmission rod, and the end part of the rotating rod, which is close to the adjacent outer hexagonal transmission rod, exceeds the end part of the second connecting tooth, which is close to the adjacent outer hexagonal transmission rod;
when the rotating rod is arranged on the outer hexagonal transmission rod and the rotating ring is arranged on the transmission pipe, the end part of the rotating rod, far away from the outer hexagonal transmission rod, exceeds the end part of the first connecting tooth, far away from the outer hexagonal transmission rod, and the end part of the rotating ring, close to the adjacent outer hexagonal transmission rod, exceeds the end part of the second connecting tooth, close to the adjacent outer hexagonal transmission rod;
the rotating ring is used for rotating the rotating rod.
Through adopting above-mentioned technical scheme, when the swivel becket setting was gone up and the dwang setting was on the transmission pipe in outer hexagonal transfer line, with outer hexagonal transfer line and transmission pipe move in order to be connected outer hexagonal transfer line and transmission pipe in opposite directions. Because the tip of keeping away from outer hexagonal transfer line of swivel becket surpasss the tip that outer hexagonal transfer line was kept away from to first connecting tooth, and the tip that the dwang is close to outer hexagonal transfer line surpasss the tip that the second is connected the tooth and is close to outer hexagonal transfer line, before making first connecting tooth conflict with the second connecting tooth, the dwang can insert earlier in the swivel becket, thereby restrict outer hexagonal transfer line and transfer line along the radial movement of outer hexagonal transfer line, so that outer hexagonal transfer line and transfer line can only rotate relatively, help first connecting tooth immigration to correspond the connection space.
The dwang sets up on outer hexagonal transfer line and swivel becket when setting up on the transmission pipe with the same reason.
Optionally, coupling assembling still includes the adapter sleeve, the connecting hole has been seted up on one side lateral wall of adapter sleeve, the tip threaded connection of connecting hole and driving pipe, it has the stretch out hole that is used for supplying outer hexagonal transfer line to wear to establish to run through on self open-ended pore wall to keep away from the connecting hole, first connecting piece is including connecting the first retaining ring on outer hexagonal transfer line, the cross-sectional width of first retaining ring is greater than the cross-sectional width who stretches out the hole.
Through adopting above-mentioned technical scheme, after first connecting tooth inserts corresponding connection space, rotate the adapter sleeve so that the tip threaded connection of adapter sleeve and connecting pipe, keep away from self open-ended pore wall until the connecting hole and support tight first retaining ring to restriction first connecting piece and second connecting piece separation, thereby restriction outer hexagonal transfer line and transmission pipe separation.
Optionally, a rotating lug is arranged on the connecting sleeve.
Through adopting above-mentioned technical scheme, compare in the direct rotation adapter sleeve, promote through pressing and rotate the ear, help the staff to rotate the adapter sleeve, improved the simplicity and convenience that the staff installed this application electric lift table transmission structure.
Optionally, the second connecting piece includes a connecting seat, the second connecting tooth is connected on the connecting seat, the inner cavity of the transmission pipe is used for the connecting seat to insert and establish, the inner wall of the transmission pipe is provided with a limiting protrusion, and a limiting groove used for the limiting protrusion to insert and establish is provided on the side wall of the connecting seat.
Through adopting above-mentioned technical scheme, when connecting second connecting piece and transmission pipe, aim at the spacing groove with spacing arch earlier, then insert the inner chamber of transmission pipe with the connecting seat, during spacing bellied tip inserted the spacing groove to the relative transmission pipe of restriction connecting seat rotates. Therefore, the detachable connection between the second connecting piece and the transmission pipe is realized, the independent processing, forming and replacement of the second connecting piece are facilitated, and the production process and the manufacturing cost are simplified.
Optionally, a second retaining ring which is abutted against the transmission pipe is sleeved on the connecting seat.
Through adopting above-mentioned technical scheme, the second retainer has played spacing effect, has restricted in the connecting seat inserts the inner chamber of transmission pipe completely.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the outer hexagonal transmission rod and the transmission pipe are connected, the width of the section of the end part of the first connecting tooth, which is far away from the outer hexagonal transmission pipe, is increased progressively along the direction from the first connecting tooth to the outer hexagonal transmission rod, so that the first connecting tooth can drive the outer hexagonal transmission rod to rotate relative to the transmission pipe even if the first connecting tooth is pressed against the second connecting tooth, and the first connecting tooth is moved into the corresponding connecting space; through the structure, the working personnel only need to exert axial force on the external hexagonal transmission rod and the transmission pipe, the insertion fit between the external hexagonal transmission rod and the transmission pipe can be completed, and the simplicity and convenience of the electric lifting table transmission structure during installation are improved
2. Through the rotating rod and the rotating ring, the effect of limiting relative radial movement of the outer hexagonal transmission rod and the transmission pipe is achieved when the outer hexagonal transmission rod and the transmission pipe are connected, the first connecting teeth can be inserted into corresponding connecting spaces, and the connection simplicity of the outer hexagonal transmission rod and the transmission pipe is further improved;
3. the connecting sleeve improves the connecting strength between the outer hexagonal transmission rod and the transmission pipe, and further limits the separation of the outer hexagonal transmission rod and the transmission pipe.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
Fig. 2 is an exploded view highlighting a second connector in an embodiment of the present application.
Fig. 3 is an exploded view of the first connector highlighted in the example of the present application.
Description of the reference numerals:
1. a drive tube; 11. a limiting bulge; 2. an outer hexagonal transmission rod; 21. an annular groove; 3. a connecting assembly; 31. a first connecting member; 311. connecting blocks; 312. a first retainer ring; 313. a rotating ring; 314. a first connecting tooth; 32. a second connecting member; 321. a connecting seat; 3211. a limiting groove; 3212. a connecting cavity; 322. a second retainer ring; 323. rotating the rod; 324. a second connecting tooth; 325. a connection space; 33. connecting sleeves; 331. rotating the lug; 332. connecting holes; 333. and the hole is extended.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses electric lift table transmission structure. Referring to fig. 1, the electric lifting table transmission structure comprises a transmission pipe 1, two outer hexagonal transmission rods 2 respectively connected to two ends of the transmission pipe 1 and two sets of connecting assemblies 3 respectively arranged on the different outer hexagonal transmission rods 2, wherein the connecting assemblies 3 are used for connecting the outer hexagonal transmission rods 2 and the transmission pipe 1, and the axis of the outer hexagonal transmission rods 2 is collinear with the axis of the transmission pipe 1.
Referring to fig. 1 and 2, the outer hexagonal transmission rod 2 is hexagonal prism-shaped, two annular grooves 21 are formed in the side wall of the outer hexagonal transmission rod 2, and the two annular grooves 21 are arranged along the axial direction of the outer hexagonal transmission rod 2. The inner wall of the transmission pipe 1 is integrally provided with six limiting bulges 11, the limiting bulges 11 extend along the axial direction of the transmission pipe 1, and the limiting bulges 11 are circumferentially and uniformly distributed around the axis of the transmission pipe 1.
Referring to fig. 1, the connecting assembly 3 includes a first connector 31, a second connector 32, and a connecting sleeve 33. The first connecting member 31 is integrally formed at the end of the outer hexagonal transmission rod 2 by injection molding, and the first connecting member 31 includes a connecting block 311, a first retaining ring 312, a rotating ring 313 and twelve first connecting teeth 314. The end of the hexagonal transmission rod 2 outside the rotating ring 313 is inserted into the connecting block 311 and is fixedly connected with the connecting block 311, and the first retaining ring 312 is sleeved on the connecting block 311 and is integrally formed with the connecting block 311.
Referring to fig. 2 and 3, the rotating ring 313 and the first connecting teeth 314 are integrally formed on one side of the connecting block 311 close to the transmission pipe 1, the axis of the rotating ring 313 is collinear with the axis of the hexagonal outer transmission rod 2, and the first connecting teeth 314 are uniformly distributed around the axis of the first transmission rod in the circumferential direction. The section width of the end of the first connecting tooth 314 far away from the connecting block 311 increases progressively along the direction far away from the first connecting tooth 314 to the connecting block 311, the distance between the end face of the first connecting tooth 314 far away from the connecting block 311 and the connecting block 311 increases progressively along the direction close to the axis of the outer hexagonal transmission rod 2 to far away from the axis of the outer hexagonal transmission rod 2, and the end of the rotating ring 313 far away from the connecting block 311 exceeds the end of the first connecting tooth 314 far away from the connecting block 311.
Referring to fig. 2, the second connecting member 32 is disposed on the transmission tube 1, and the second connecting member 32 includes a connecting seat 321, a second stopper 322, a rotating lever 323, and twelve second connecting teeth 324. The inner chamber of transmission pipe 1 is used for supplying connecting seat 321 to insert and establishes, has seted up six spacing grooves 3211 on the lateral wall of connecting seat 321, and spacing groove 3211 extends along the axial of transmission pipe 1. The axis of connecting seat 321 and the axis collineation of transmission pipe 1, each spacing groove 3211 is the circumference equipartition around the axis of connecting seat 321, and each spacing groove 3211 is used for supplying the tip of different spacing archs 11 to insert respectively and establishes.
Referring to fig. 2, the second retainer ring 322 is sleeved on the connecting seat 321, the second retainer ring 322 is located at the end of the connecting seat 321 close to the adjacent hexagonal transmission rod 2, the second retainer ring 322 and the connecting seat 321 are integrally formed, and two back side walls of the second retainer ring 322 are respectively used for abutting against the transmission pipe 1 and the first retainer ring 312.
Referring to fig. 2, when the second connecting member 32 is installed, each limiting groove 3211 is aligned with a corresponding limiting protrusion 11, and then the connecting seat 321 is inserted into the inner cavity of the transmission pipe 1, and the end of the limiting protrusion 11 is inserted into the limiting groove 3211 until the second retainer 322 abuts against the transmission pipe 1.
Referring to fig. 2, a connecting cavity 3212 is opened on an end surface of the connecting seat 321 facing the adjacent outer hexagonal transmission rod 2, the second connecting tooth 324 and the rotation rod 323 are integrally formed on a cavity wall of the connecting cavity 3212 away from the opening thereof, and an axis of the rotation rod 323 is collinear with an axis of the transmission tube 1. Each second connecting tooth 324 is circumferentially and evenly distributed around the axis of the transmission pipe 1, a connecting space 325 is formed between every two adjacent second connecting teeth 324, and each connecting space 325 is used for inserting different first connecting teeth 314. The section width of the second connecting tooth 324 is gradually decreased along the direction from the second connecting tooth 324 to the adjacent outer hexagonal transmission rod 2, the distance between the end surface of the second connecting tooth 324 close to the adjacent outer hexagonal transmission rod 2 and the adjacent outer hexagonal transmission rod 2 is gradually increased along the direction from the end surface close to the axis of the transmission pipe 1 to the end surface far away from the axis of the transmission pipe 1, and the end part of the rotating rod 323 far away from the connecting block 311 exceeds the end part of the first connecting tooth 314 far away from the connecting block 311.
Referring to fig. 2 and 3, the rotating ring 313 is for inserting and rotatably disposing the rotating rod 323. When the first and second coupling members 31 and 32 are coupled, the outer hexagonal transmission rod 2 is aligned with the axis of the transmission pipe 1 and moved toward each other, and the end of the rotation rod 323 is inserted into the rotation ring 313 so that only relative rotation between the tubes of the outer hexagonal transmission rod 2 is possible. Then, the outer hexagonal transmission rod 2 and the transmission pipe 1 are moved towards each other, and the end of the first connecting tooth 314 performs a sliding guiding function, so that even if the first connecting tooth 314 presses against the second connecting tooth 324, the first connecting piece 31 and the second connecting piece 32 can be driven to rotate relatively, that is, the outer hexagonal transmission rod 2 and the transmission pipe 1 rotate relatively, until the first connecting tooth 314 is aligned with the corresponding connecting space 325 and inserted into the corresponding connecting space 325.
In other embodiments, the rotating ring 313 in the first connection member 31 may be replaced with the rotating rod 323 and the rotating rod 323 in the second connection member 32 may be replaced with the rotating ring 313. The axis of the rotating rod 323 is collinear with the axis of the outer hexagonal transmission rod 2, and the end of the transmission rod away from the outer hexagonal connecting block 311 exceeds the end of the first connecting tooth 314 away from the outer hexagonal transmission rod 2. The axis of the rotary ring 313 is collinear with the axis of the drive tube 1, and the end of the rotary ring 313 remote from the adjacent outer hexagonal drive rod 2 extends beyond the end of the second coupling tooth 324 close to the adjacent outer hexagonal drive rod 2.
Referring to fig. 2 and 3, two rotating lugs 331 are integrally formed on the circumferential side wall of the connecting sleeve 33, and the two rotating lugs 331 are circumferentially and uniformly distributed around the axis of the connecting sleeve 33. A connecting hole 332 is formed in the side wall of one side of the connecting sleeve 33, the axis of the connecting hole 332 is collinear with the axis of the connecting sleeve 33, and the connecting hole 332 is in threaded connection with one end of the connecting pipe. The hole wall of the connecting hole 332 far away from the opening of the connecting hole is penetrated with an extending hole 333 with the axis collinear with the axis of the connecting hole 332, the extending hole 333 is used for the outer hexagonal transmission rod 2 to penetrate, and the section width of the first retainer ring 312 is larger than the aperture of the extending hole 333.
Referring to fig. 2 and 3, after the first connecting member 31 is connected to the second connecting member 32, the connecting sleeve 33 is rotated to connect the end of the transmission pipe 1 to the connecting hole 332 by screw threads until the hole wall of the connecting hole 332 abuts against the first retaining ring 312.
The implementation principle of the transmission structure of the electric lifting table in the embodiment of the application is as follows: when installing this application electric lift table transmission structure, connect one of them outer hexagonal transfer line 2 and transmission pipe 1 through a set of coupling assembling 3 earlier, then adorn the second connecting piece 32 of another set of coupling assembling 3 to transmission pipe 1 on, be connected two outer hexagonal transfer lines 2 respectively with the elevation structure on the different table legs after that. Then the outer hexagonal transmission rod 2 not connected with the transmission pipe 1 and the transmission pipe 1 are moved towards each other so that the first connecting teeth 314 are inserted into the corresponding connecting spaces 325 until the first retainer ring 312 is abutted against the second retainer ring 322, and finally the outer hexagonal transmission rod 2 is tightly connected with the transmission pipe 1 through the connecting sleeve 33.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides an electric lift table transmission structure, includes transmission pipe (1) and connects outer hexagonal transfer line (2) at transmission pipe (1) both ends respectively, its characterized in that: at least one outer hexagonal drive rod (2) is provided with a connecting assembly (3) used for connecting the outer hexagonal drive rod (2) and the drive pipe (1), the connecting assembly (3) comprises a first connecting piece (31) arranged on the outer hexagonal drive rod (2) and a second connecting piece (32) arranged on the drive pipe (1), the first connecting piece (31) comprises a plurality of first connecting teeth (314) arranged on the outer hexagonal drive rod (2), each first connecting tooth (314) is uniformly distributed around the axis of the outer hexagonal drive rod (2), the second connecting piece (32) comprises a plurality of second connecting teeth (324), each second connecting tooth (324) is uniformly distributed in the circumferential direction around the axis of the drive pipe (1), a connecting space (325) for the first connecting tooth (314) to be inserted is formed between two adjacent second connecting teeth (324), and the width of the section of the end part, far away from the outer hexagonal drive rod (2), of the first connecting tooth (324) increases progressively along the direction from the first connecting teeth (314) to the adjacent outer hexagonal drive rod (2).
2. The transmission structure of the electric lifting table as claimed in claim 1, wherein: the cross section width of the second connecting tooth (324) is gradually reduced along the direction from the second connecting tooth (324) to the adjacent outer hexagonal transmission rod (2).
3. The transmission structure of the electric lifting table as claimed in claim 1, wherein: the distance between the end face of the outer hexagonal transmission rod (2) far away from the first connecting tooth (314) and the outer hexagonal transmission rod (2) is gradually increased along the direction from the axis of the outer hexagonal transmission rod (2) to the axis of the outer hexagonal transmission rod (2).
4. The transmission structure of the electric lifting table as claimed in claim 1, wherein: the distance between the end face, close to the adjacent outer hexagonal transmission rod (2), of the second connecting tooth (324) and the adjacent outer hexagonal transmission rod (2) is gradually increased along the direction from the position close to the axis of the transmission pipe (1) to the position far away from the axis of the transmission pipe (1).
5. The transmission structure of the electric lifting table as claimed in claim 1, wherein: the first connecting piece (31) further comprises a rotating ring (313) arranged on the outer hexagonal transmission rod (2), the axis of the rotating ring (313) is collinear with the axis of the outer hexagonal transmission rod (2), the second connecting piece (32) further comprises a rotating rod (323) arranged on the transmission pipe (1), and the axis of the rotating rod (323) is collinear with the axis of the transmission pipe (1); or
The first connecting piece (31) further comprises a rotating rod (323) arranged on the outer hexagonal transmission rod (2), the axis of the rotating rod (323) is collinear with the axis of the outer hexagonal transmission rod (2), the second connecting piece (32) further comprises a rotating ring (313) arranged on the transmission pipe (1), and the axis of the rotating ring (313) is collinear with the axis of the transmission pipe (1);
the rotating ring (313) is used for inserting the rotating rod (323).
6. An electric lifting table transmission structure as claimed in claim 5, wherein: when the rotating ring (313) is arranged on the outer hexagonal transmission rod (2) and the rotating rod (323) is arranged on the transmission pipe (1), the end part of the rotating ring (313) far away from the outer hexagonal transmission rod (2) exceeds the end part of the first connecting tooth (314) far away from the outer hexagonal transmission rod (2), and the end part of the rotating rod (323) close to the adjacent outer hexagonal transmission rod (2) exceeds the end part of the second connecting tooth (324) close to the adjacent outer hexagonal transmission rod (2);
when the rotating rod (323) is arranged on the outer hexagonal transmission rod (2) and the rotating ring (313) is arranged on the transmission pipe (1), the end part of the rotating rod (323) far away from the outer hexagonal transmission rod (2) exceeds the end part of the first connecting tooth (314) far away from the outer hexagonal transmission rod (2), and the end part of the rotating ring (313) close to the adjacent outer hexagonal transmission rod (2) exceeds the end part of the second connecting tooth (324) close to the adjacent outer hexagonal transmission rod (2);
the rotating ring (313) is used for enabling the rotating rod (323) to be arranged in a rotating mode.
7. The transmission structure of the electric lifting table as claimed in claim 1, wherein: coupling assembling (3) still include adapter sleeve (33), connecting hole (332) have been seted up on one side lateral wall of adapter sleeve (33), connecting hole (332) and the tip threaded connection of driving pipe (1), run through on self open-ended pore wall being used for supplying outer hexagonal transfer line (2) to wear to establish and stretch out hole (333) connecting piece (31) including first retaining ring (312) of connecting on outer hexagonal transfer line (2), the cross-sectional width of first retaining ring (312) is greater than the cross-sectional width who stretches out hole (333).
8. The transmission structure of electric lifting table as claimed in claim 7, wherein: the connecting sleeve (33) is provided with a rotating lug (331).
9. The transmission structure of the electric lifting table as claimed in claim 1, wherein: the second connecting piece (32) comprises a connecting seat (321), the second connecting teeth (324) are connected to the connecting seat (321), the inner cavity of the transmission pipe (1) is used for inserting the connecting seat (321), the inner wall of the transmission pipe (1) is provided with a limiting protrusion (11), and the side wall of the connecting seat (321) is provided with a limiting groove (3211) for inserting the end of the limiting protrusion (11).
10. The transmission structure of electric lifting table as claimed in claim 9, wherein: the connecting seat (321) is sleeved with a second retainer ring (322) which is abutted against the transmission pipe (1).
CN202221419023.2U 2022-06-08 2022-06-08 Transmission structure of electric lifting table Active CN217898395U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221419023.2U CN217898395U (en) 2022-06-08 2022-06-08 Transmission structure of electric lifting table

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221419023.2U CN217898395U (en) 2022-06-08 2022-06-08 Transmission structure of electric lifting table

Publications (1)

Publication Number Publication Date
CN217898395U true CN217898395U (en) 2022-11-25

Family

ID=84130642

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221419023.2U Active CN217898395U (en) 2022-06-08 2022-06-08 Transmission structure of electric lifting table

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Country Link
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