CN219699322U - Transmission structure of lifting table - Google Patents
Transmission structure of lifting table Download PDFInfo
- Publication number
- CN219699322U CN219699322U CN202320516010.5U CN202320516010U CN219699322U CN 219699322 U CN219699322 U CN 219699322U CN 202320516010 U CN202320516010 U CN 202320516010U CN 219699322 U CN219699322 U CN 219699322U
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- connecting piece
- connecting member
- inclined surface
- hole
- groove
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 58
- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 claims 8
- 238000001125 extrusion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a lifting table transmission structure, which comprises: drive tube and transfer line, the drive tube passes through coupling assembling and is connected with the transfer line, its characterized in that, coupling assembling includes: one end of the first connecting piece is connected with one end of the transmission rod, a guide hole is formed in the middle of the other end of the first connecting piece, and an outer gear ring is arranged on the periphery of the other end of the first connecting piece; the second connecting piece is provided with a groove at one end, an annular gear is arranged at the inner periphery of the groove, a guide post is arranged at the bottom in the groove, the other end of the first connecting piece stretches into the groove, the outer annular gear is in plug-in fit with the annular gear, and the transmission pipe is sleeved on the second connecting piece; and one end of the third connecting piece is sleeved on the first connecting piece, and the other end of the third connecting piece is in threaded connection with the periphery of the transmission pipe. The utility model can prevent the assembly clamping shell caused by gaps among all the parts, can be assembled at one time and improves the assembly efficiency.
Description
Technical Field
The utility model relates to the technical field of lifting tables, in particular to a lifting table transmission structure.
Background
The electric lifting table is one kind of lifting table, and the motor is used as driving source to drive the transmission structure, and the transmission structure transmits the driving force of the motor to the lifting structure inside the legs of the table, so as to realize the lifting of the table top.
When the electric lifting table transmission structure 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 connection can still be maintained along the axial sliding adjustment of the outer hexagonal transmission rod. After the transmission rod is connected with the connecting block on one of the outer hexagonal transmission rods, the outer hexagonal transmission rods and the transmission pipe are moved to the direction close to the other outer hexagonal transmission rod. And then rotating the transmission pipe or the outer hexagonal transmission rod which is not connected with the transmission pipe so as to align the connecting block on the outer hexagonal transmission rod which is not connected with the transmission pipe with the inner cavity of the transmission pipe, and finally continuously moving the transmission pipe so as to enable the rest connecting blocks to be inserted into the inner cavity of the connecting pipe, thereby completing the connection.
In the prior art, the assembly efficiency of each part between the transmission rod and the lifting structure is low, the overall production efficiency is reduced, and the cost is increased.
Disclosure of Invention
Aiming at the problems of the prior lifting table transmission structure, the lifting table transmission structure with convenient assembly, high stability and high safety is provided.
The specific technical scheme is as follows:
a lifting table drive structure comprising: drive pipe and transfer line, the drive pipe through coupling assembling with the transfer line is connected, coupling assembling includes:
the first connecting piece, one end of the first connecting piece is connected with one end of the transmission rod, a guide hole is formed in the middle of the other end of the first connecting piece, an outer gear ring is arranged on the periphery of the other end of the first connecting piece, a first inclined surface is arranged at the end part of the outer gear ring, a first angle is formed between the first inclined surface and the end surface of the other end of the first connecting piece, and a first arc-shaped surface is arranged at the end part of the guide hole;
the second connecting piece, one end of the second connecting piece is provided with a groove, the inner periphery of the groove is provided with an inner gear ring, the end part of the inner gear ring is provided with a second inclined surface, a second angle is formed between the second inclined surface and the end surface of one end of the second connecting piece, the degree of the first angle is not less than that of the second angle, the bottom in the groove is provided with a guide post, the length of the guide post is less than the depth of the groove, the end part of the guide post is provided with a second arc-shaped surface, the other end of the first connecting piece stretches into the groove, the outer gear ring is in plug-in fit with the inner gear ring, the other end of the second connecting piece is provided with a third inclined surface, and the transmission pipe is sleeved on the second connecting piece;
and one end of the third connecting piece is sleeved on the first connecting piece, and the other end of the third connecting piece is in threaded connection with the periphery of the transmission pipe.
According to the lifting table transmission structure, the cross section of each tooth of the outer gear ring is triangular, and the cross section of each tooth of the inner gear ring is isosceles triangular.
The lifting table transmission structure is characterized in that a shrinkage hole communicated with the guide hole is formed in one end of the first connecting piece, a first step is formed between the shrinkage hole and the guide hole in the first connecting piece, and one end of the transmission rod abuts against the first step.
The lifting table transmission structure comprises a first connecting piece, wherein a first convex ring is arranged in the middle of the periphery of the first connecting piece, one end of the periphery of the first connecting piece is a conical surface, the conical surface extends to one side of the first convex ring, and one end of the outer gear ring, far away from the first inclined surface, extends to the other side of the first convex ring.
The lifting table transmission structure comprises a first connecting piece, a second connecting piece, a lifting table and a lifting table transmission structure body, wherein the periphery of one end of the first connecting piece is provided with a first convex ring, one side of the first convex ring is propped against the other side of the first convex ring when the first connecting piece is in plug-in fit with the second connecting piece, and one end of the transmission pipe is propped against the other side of the first convex ring.
The lifting table transmission structure is characterized in that the second convex ring is positioned on the outer side of the second inclined surface.
The lifting table transmission structure comprises a third connecting piece, wherein the third connecting piece is internally provided with an extrusion hole and a containing hole which are connected with each other, a second step is formed between the extrusion hole and the containing hole, the extrusion hole of the third connecting piece is sleeved on the periphery of the shrinkage hole of the first connecting piece, and one side of the first convex ring is propped against the second step.
The lifting table transmission structure comprises a plurality of guide grooves, wherein the periphery of the second connecting piece is provided with a plurality of guide grooves, the guide grooves are distributed at equal intervals along the circumferential direction of the second connecting piece, each guide groove is arranged towards the axial direction of the second connecting piece, one end of each guide groove extends to the second convex ring, the other end of each guide groove extends to the third inclined surface, the cross section of each guide groove is isosceles trapezoid, and the other end of the second connecting piece is provided with a plurality of reinforcing ribs.
The lifting table transmission structure is characterized in that the periphery of the other end of the third connecting piece is hexagonal, and two wrenches are arranged on the periphery of the other end of the third connecting piece.
The lifting table transmission structure is characterized in that the inner periphery of the accommodating hole is provided with an inner thread, the outer periphery of the transmission pipe is provided with an outer thread, and the inner thread is in threaded connection with the outer thread.
Compared with the prior art, the technical scheme has the following positive effects:
the outer gear ring and the inner gear ring are in plug-in connection, so that the stability is good, and the assembly is convenient;
according to the utility model, the first inclined surface is arranged on the outer gear ring, the second inclined surface is arranged on the inner gear ring, so that the guiding function is realized in the assembly process of the first inclined surface and the second inclined surface, and the assembly clamping shell caused by gaps between all parts can be prevented when the first inclined surface and the second inclined surface are contacted, so that the assembly is convenient, the assembly efficiency is improved, and the sharp angle is eliminated on the first inclined surface of the outer gear ring, so that the safety is improved;
the first arc-shaped surface and the second arc-shaped surface are mutually matched in assembly, have guiding and guiding functions, can prevent the assembly clamping shell caused by gaps among all parts, can be assembled at one time, and improves the assembly efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure of a transmission structure of a lifting table according to the present utility model;
FIG. 2 is a partial cross-sectional view of a drive mechanism for a lift table in accordance with the present utility model;
FIG. 3 is a cross-sectional view of a drive mechanism for a lift table in accordance with the present utility model;
FIG. 4 is an exploded view of a connecting assembly of a drive mechanism for a lift table according to the present utility model;
FIG. 5 is an exploded cross-sectional view of a connection assembly of a drive mechanism for a lift table in accordance with the present utility model;
in the accompanying drawings: 1. a first connector; 2. a second connector; 3. a third connecting member; 4. a transmission tube; 5. a transmission rod; 6. a connection assembly; 11. a guide hole; 12. an outer ring gear; 13. a first inclined surface; 14. a first arcuate surface; 15. a shrinkage cavity; 16. a first collar; 21. a groove; 22. an inner gear ring; 23. a second inclined surface; 24. a guide post; 25. a second arcuate surface; 26. a third inclined surface; 27. a second convex ring; 28. a guide groove; 29. reinforcing ribs; 31. extruding the hole; 32. a receiving hole; 33. and (5) a spanner.
Detailed Description
The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
FIG. 1 is a schematic view of the overall structure of a transmission structure of a lifting table according to the present utility model;
FIG. 2 is a partial cross-sectional view of a drive mechanism for a lift table in accordance with the present utility model;
FIG. 3 is a cross-sectional view of a drive mechanism for a lift table in accordance with the present utility model;
FIG. 4 is an exploded view of a connecting assembly of a drive mechanism for a lift table according to the present utility model;
fig. 5 is an exploded cross-sectional view of a connection assembly of a lifting table transmission structure of the present utility model, as shown in fig. 1 to 5, showing a lifting table transmission structure of a preferred embodiment, comprising: drive tube 4 and transfer line 5, drive tube 4 is connected with transfer line 5 through coupling assembling 6.
Further, as a preferred embodiment, the connection assembly 6 includes: the first connecting piece 1, the second connecting piece 2 and the third connecting piece 3, the one end of first connecting piece 1 is connected with the one end of transfer line 5, the centre of the other end of first connecting piece 1 has guiding hole 11, the periphery of the other end of first connecting piece 1 has outer ring gear 12, the tip of outer ring gear 12 has first inclined plane 13, form first angle between the terminal surface of the first inclined plane 13 and the other end of first connecting piece 1, the tip of guiding hole 11 has first arcwall face 14, the one end of second connecting piece 2 has recess 21, the inner periphery of recess 21 has ring gear 22, the tip of ring gear 22 has second inclined plane 23, form the second angle between the terminal surface of second inclined plane 23 and the one end of second connecting piece 2, the number of degrees of first angle is not less than the number of degrees, the bottom in the recess 21 has guide post 24, the length of guide post 24 is less than the degree of recess 21, the tip of guide post 24 has second arcwall face 25, the other end of first connecting piece 1 stretches into recess 21, ring gear 12 and ring gear 22 cooperate with ring gear 22, the other end of second connecting piece 2 has third inclined plane 26, the second connecting piece 4 is located on the outer periphery of the third connecting piece 3 of connecting piece 3, the transmission sleeve of the third connecting piece 4 of connecting piece 2 is located on the periphery of the third connecting piece 3.
Preferably, the degree of the first angle is not smaller than the degree of the second angle, and when the first inclined surface 13 and the second inclined surface 23 are propped against each other in the process of assembling the first connecting piece 1 and the second connecting piece 2, the part of the first connecting piece 1 stretches into the annular gear 22, so that the assembly is convenient, and the assembly efficiency is improved.
Further, as a preferred embodiment, each tooth of the outer ring gear 12 is provided with a triangular cross section, and each tooth of the inner ring gear 22 is provided with an isosceles triangle cross section.
Preferably, the triangular structure, i.e. the width of the tooth root is large, has high stability.
The foregoing is merely a preferred embodiment of the present utility model, and is not intended to limit the embodiments and the protection scope of the present utility model.
The present utility model has the following embodiments based on the above description:
in a further embodiment of the present utility model, as shown in fig. 1 to 5, a shrinkage hole 15 communicating with the guiding hole 11 is formed in one end of the first connecting member 1, a first step is formed between the shrinkage hole 15 and the guiding hole 11 in the first connecting member 1, and one end of the transmission rod 5 abuts against the first step.
In a further embodiment of the utility model, the first connecting piece 1 has a first bulge loop 16 in the middle of its outer circumference, one end of the outer circumference of the first connecting piece 1 is a conical surface, which extends to one side of the first bulge loop 16, and one end of the outer ring gear 12 remote from the first inclined surface 13 extends to the other side of the first bulge loop 16.
In a further embodiment of the present utility model, the second convex ring 27 is disposed on the outer periphery of one end of the second connecting member 2, and in the state that the first connecting member 1 is in plug-in fit with the second connecting member 2, one side of the second convex ring 27 abuts against the other side of the first convex ring 16, and one end of the transmission tube 4 abuts against the other side of the second convex ring 27.
In a further embodiment of the utility model, the second collar 27 is located outside the second inclined surface 23. Preferably, when the second inclined surface 23 is provided, the wall thickness of the second connecting member 2 is reduced, and the second convex ring 27 is provided, so that the wall thickness is increased, and the structural strength is improved.
In a further embodiment of the present utility model, the third connecting piece 3 is provided with a pressing hole 31 and a receiving hole 32 which are connected with each other, a second step is formed between the pressing hole 31 and the receiving hole 32 in the third connecting piece 3, the pressing hole 31 of the third connecting piece 3 is sleeved on the periphery of the shrinkage hole 15 of the first connecting piece 1, and one side of the first convex ring 16 abuts against the second step.
In a further embodiment of the present utility model, the outer circumference of the second connecting piece 2 is provided with a plurality of guide grooves 28, the plurality of guide grooves 28 are distributed at equal intervals along the circumferential direction of the second connecting piece 2, each guide groove 28 is arranged towards the axial direction of the second connecting piece 2, one end of each guide groove 28 extends to the second convex ring 27, the other end of each guide groove 28 extends to the third inclined surface 26, the cross section of each guide groove 28 is isosceles trapezoid, and the other end of the second connecting piece 2 is provided with a plurality of reinforcing ribs 29.
In a further embodiment of the utility model, the outer periphery of the other end of the third connecting piece 3 is hexagonal, and the outer periphery of the other end of the third connecting piece 3 is provided with two wrenches 33.
In a further embodiment of the present utility model, the inner periphery of the receiving hole 32 has an internal thread, and the outer periphery of the drive tube 4 has an external thread, and the internal thread is screwed with the external thread.
The outer gear ring and the inner gear ring are in plug-in connection, so that the stability is good, and the assembly is convenient.
The first inclined surface 13 is arranged on the outer gear ring 12, the second inclined surface 23 is arranged on the inner gear ring 22, the guiding function is realized in the assembly process of the first inclined surface 13 and the second inclined surface 23, the assembly blocking caused by gaps among all parts can be prevented when the first inclined surface 13 and the second inclined surface 23 are contacted, the assembly is convenient, the assembly efficiency is improved, and the sharp angle is removed from the first inclined surface 13 on the outer gear ring, so that the safety is improved.
The first arc-shaped surface 14 and the second arc-shaped surface 25 have guiding and guiding functions when being assembled, so that the assembly clamping shell caused by gaps among all the parts can be prevented, the assembly clamping shell can be assembled at one time, and the assembly efficiency is improved.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (10)
1. A lifting table drive structure comprising: drive pipe and transfer line, the drive pipe pass through coupling assembling with the transfer line is connected, its characterized in that, coupling assembling includes:
the first connecting piece, one end of the first connecting piece is connected with one end of the transmission rod, a guide hole is formed in the middle of the other end of the first connecting piece, an outer gear ring is arranged on the periphery of the other end of the first connecting piece, a first inclined surface is arranged at the end part of the outer gear ring, a first angle is formed between the first inclined surface and the end surface of the other end of the first connecting piece, and a first arc-shaped surface is arranged at the end part of the guide hole;
the second connecting piece, one end of the second connecting piece is provided with a groove, the inner periphery of the groove is provided with an inner gear ring, the end part of the inner gear ring is provided with a second inclined surface, a second angle is formed between the second inclined surface and the end surface of one end of the second connecting piece, the degree of the first angle is not less than that of the second angle, the bottom in the groove is provided with a guide post, the length of the guide post is less than the depth of the groove, the end part of the guide post is provided with a second arc-shaped surface, the other end of the first connecting piece stretches into the groove, the outer gear ring is in plug-in fit with the inner gear ring, the other end of the second connecting piece is provided with a third inclined surface, and the transmission pipe is sleeved on the second connecting piece;
and one end of the third connecting piece is sleeved on the first connecting piece, and the other end of the third connecting piece is in threaded connection with the periphery of the transmission pipe.
2. The elevating table drive structure according to claim 1, wherein the cross section of each tooth of the outer gear ring is provided in a triangle shape, and the cross section of each tooth of the inner gear ring is provided in an isosceles triangle shape.
3. The elevating table drive structure as set forth in claim 2, wherein a shrinkage hole communicating with the guide hole is formed in one end of the first connecting member, a first step is formed in the first connecting member between the shrinkage hole and the guide hole, and one end of the drive rod abuts against the first step.
4. A lifting table transmission structure according to claim 3, wherein a first convex ring is arranged in the middle of the outer periphery of the first connecting piece, one end of the outer periphery of the first connecting piece is a conical surface, the conical surface extends to one side of the first convex ring, and one end of the outer tooth ring away from the first inclined surface extends to the other side of the first convex ring.
5. The elevating table drive structure according to claim 4, wherein the outer circumference of one end of the second connecting member has a second convex ring, one side of the second convex ring abuts against the other side of the first convex ring in the state that the first connecting member is in plug-in fit with the second connecting member, and one end of the drive tube abuts against the other side of the second convex ring.
6. The elevating table drive assembly as set forth in claim 5, wherein said second collar is located outside of said second inclined surface.
7. The elevating table drive structure as set forth in claim 6, wherein the third connecting member has a pressing hole and a receiving hole connected to each other, a second step is formed between the pressing hole and the receiving hole in the third connecting member, the pressing hole of the third connecting member is sleeved on the outer periphery of the shrinkage hole of the first connecting member, and one side of the first convex ring abuts against the second step.
8. The elevating table drive structure according to claim 7, wherein the second connecting member has a plurality of guide grooves on its outer circumference, the plurality of guide grooves are distributed at equal intervals along the circumferential direction of the second connecting member, each guide groove is disposed toward the axial direction of the second connecting member, one end of each guide groove extends to the second convex ring, the other end of each guide groove extends to the third inclined surface, the cross section of each guide groove is isosceles trapezoid, and the other end of the second connecting member has a plurality of reinforcing ribs.
9. The elevating table drive structure as set forth in claim 8, wherein the outer circumference of the other end of the third connecting member is hexagonal, and the outer circumference of the other end of the third connecting member is provided with two wrenches.
10. The elevating table drive structure as set forth in claim 9, wherein the inner circumference of the receiving hole has an internal thread, and the outer circumference of the drive tube has an external thread, and the internal thread is screw-coupled with the external thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320516010.5U CN219699322U (en) | 2023-03-16 | 2023-03-16 | Transmission structure of lifting table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320516010.5U CN219699322U (en) | 2023-03-16 | 2023-03-16 | Transmission structure of lifting table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219699322U true CN219699322U (en) | 2023-09-19 |
Family
ID=88005117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320516010.5U Active CN219699322U (en) | 2023-03-16 | 2023-03-16 | Transmission structure of lifting table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219699322U (en) |
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2023
- 2023-03-16 CN CN202320516010.5U patent/CN219699322U/en active Active
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