CN209017983U - Transmission bar assembly in the lifting device of same table - Google Patents
Transmission bar assembly in the lifting device of same table Download PDFInfo
- Publication number
- CN209017983U CN209017983U CN201821389301.8U CN201821389301U CN209017983U CN 209017983 U CN209017983 U CN 209017983U CN 201821389301 U CN201821389301 U CN 201821389301U CN 209017983 U CN209017983 U CN 209017983U
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- drive rod
- transmission
- transmission tube
- connector
- bar assembly
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Abstract
The utility model discloses the transmission bar assemblies in a kind of lifting device of same table, the first drive rod including at least one transmission tube and at least one insertion transmission tube one end, first drive rod is regular polygon bar, it further include the connector set on the transmission tube end, connector excircle prolongs axial at least two stage steps from inner section to outer segment: pipe inner segment is the hollow circuit cylinder that outer diameter is less than or equal to the transmission tube stomidium diameter, there are the male and female teeth for axially extending and being mutually twisted circumferentially to limit on hollow circuit cylinder cylindrical wall and corresponding transmission tube inner round wall, there is axial limit structure between hollow circuit cylinder cylindrical wall and transmission tube；Pipe outer segment is the flange collar that outer diameter is greater than transmission bore, and the centre bore of connector is to be slidably matched with the first drive rod so that the first drive rod and transmission tube stretch and flexible polygonal hole with crossbeam between each other.It can stretch and automatic telescopic with crossbeam between the first drive rod and transmission tube axial direction of the transmission bar assembly.
Description
Technical field
It is especially the drive rod group in a kind of lifting device of same table the utility model relates to same table technical field
Part.
Background technique
The lifting device of prior art same table generally comprises the liter in driving mechanism and two gear-boxes and gear-box
The connection of drop gear and under lifting gear driving can positive and negative rotation make table leg liter to driving the relative displacement of table leg inner and outer pipes
The screw lift structure of drop, the specific structure of driving mechanism can be that worm screw, worm screw and installation are connected on motor shaft or crank shaft
Worm gear engagement on the drive rod of close driving mechanism one end of following transmission bar assemblies.
The lifting device further includes the transmission bar assembly for connecting driving mechanism and gear-box, is driven bar assembly in driving machine
It is rotated under structure driving around own axes.It is axial intermediate that general driving mechanism is mounted on crossbeam, driving mechanism be located at crossbeam middle section
Drive rod connect and drive its rotation.Circumferentially limited between drive rod and transmission tube it is i.e. relatively unrotatable, as drive rod is
Regular polygon bar such as hexagonal rod, transmission inside pipe wall be with regular polygon bar for example hexagonal rod geomery match inner polygon hole such as
Hexagon hole.Every set transmission bar assembly generally comprises two transmission tubes and Duo Gen drive rod, wherein being generally proximal to respective gear-box
The drive rod of one end can be moved axially relative to transmission tube, but be under normal circumstances by following knot between transmission tube and drive rod
Structure is fixed to each other without moving axially: radial screw bore is set on transmission tube, then being screwed with fastening screw keeps the two relatively fixed.
Outstanding problem existing for the transmission bar assembly of the prior art is when needing to adjust crossbeam collapsing length, first to unscrew
Fastening screw allows drive rod can be free to slide with respect to transmission tube, after regulating crossbeam collapsing length, then screws fastening screw,
It operates very inconvenient and relatively cumbersome and time-consuming.In addition, due to needing to slide between drive rod and transmission tube, thus it is inevitable there are
Gap, and screw fastening is bound to cause bias, and consider for intensity, it is desirable that transmission tube has thicker wall thickness, and this adds increased materials
Expect cost.3, drive rod one end due to the transmission tube of the prior art end and driving gear grafting, the other end and transmission tube are inserted
It connects, so, whens installation or removal, is inconvenient, operates relatively cumbersome and time-consuming.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of at least one drive rod and the transmission tube axis that is inserted into
It can be flexible with crossbeam and the transmission bar assembly in the lifting device of the same table of automatic telescopic between.
The technical solution of the utility model is to provide the transmission bar assembly in a kind of lifting device of same table, packet
It includes at least one transmission tube and at least one is inserted into the first drive rod of the transmission tube one end, first drive rod is positive polygon
Shape bar further includes the connector set on the transmission tube end, connector and the limit of transmission tube circumferential direction and axial limiting, the first drive rod
There is the adjusting section axially extended in transmission tube, the centre bore of connector is to be slidably matched with the first drive rod so that the first transmission
Bar and transmission tube are between each other with the polygonal hole that crossbeam is flexible and stretches.
After using the above structure, the transmission bar assembly in a kind of lifting device of same table of the utility model has following excellent
Point: connector and the limit of transmission tube circumferential direction and axial limiting, and the centre bore of connector, that is, regular polygon hole and regular polygon
The first drive rod be in the state being slidably matched always, i.e., the first drive rod of regular polygon and transmission tube be between each other always
In the state being slidably matched.When adjusting crossbeam length, with flexible, the first drive rod and transmission tube of regular polygon of crossbeam
Between entire length that is also mutually flexible and changing correspondingly transmission bar assembly, reach automatic adjustment while adjusting crossbeam length and pass
The length of lever component also adapts to the variation of two gear-box distances, achievees the purpose that fast-assembling, and client's installation is very convenient, simple
It is single and time saving.
Further, it prevents the first drive rod excessive tensile on the connector and the first drive rod and is detached from transmission tube
Axial limit structure.After using the above structure, it is driven bar assembly within the scope of design length and stretches with the flexible of crossbeam
With change correspondingly transmission bar assembly entire length, but be more than design length excessive tensile when, then by axial limiting without making
Bar and pipe are detached from, and when reversely retracting, then elastic claw remains to slide with the first drive rod with free extension.
Further, the connector excircle is from inner section to outer segment along axial direction at least two stage steps: pipe inner segment is outer
Diameter is less than or equal to the first hollow circuit cylinder of the transmission tube stomidium diameter, the first hollow circuit cylinder cylindrical wall and corresponding transmission tube inner circle
There are the male and female teeth for axially extending and being mutually twisted circumferentially to limit on wall, between the first hollow circuit cylinder cylindrical wall and transmission tube
There is axial limit structure, pipe outer segment is the flange collar that outer diameter is greater than transmission bore.After using the above structure, connector and transmission tube
Circumferential position limiting structure it is more simple and reliable, run it is more stable.
Further, the connector further include it is integrally formed most in section, most in section minimum outer diameter, which has more
It is a axially through opening constitute multiple pawls, the connector be plastic production connector, the pawl be with bullet
Property pawl, the external diameter of a circle in regular polygon hole that multiple elastic claws are constituted is less than or equal to the straight of the first drive rod circumscribed circle
Diameter, there is a circumferential recess in the innermost end of the first drive rod of regular polygon, in multiple elastic claw inner ends insertion circumferential recess
Axial limiting is detached from transmission tube to prevent the first drive rod excessive tensile.After using the above structure, passed within the scope of design length
Lever component is flexible and flexible to change correspondingly the entire length for being driven bar assembly with crossbeam, but is more than that design length is excessive
When stretching, then by the circumferential recess axial limiting of elastic claw inner end and the first drive rod inner end without being detached from bar and pipe, and
When reversed retraction, then elastic claw remains to slide with the first drive rod with free extension, and axial limit structure is simple and reliable.
Further, the transmission tube is aluminum pipe, has at least one in the first hollow circuit cylinder cylindrical wall of the connector
The first notch for aluminum pipe internal pressure to rivet.After using the above structure, connector be inserted into the end transmission tube and flange collar end wall with
After transmission tube end wall offsets and rivets, make the first hollow circuit cylinder cylindrical wall of connector and the axial limiting of aluminum pipe and circumferential limit
Structure become very simple, operation is easily and sound construction is reliable.
Further, have the more public teeth axially extended on the inner round wall at the transmission tube end, connector first in
There are the more female teeth for axially extending and matching with male teeth geomery in hollow round column cylindrical wall.After using the above structure,
Both there is circumferential limit function well between first connector and transmission tube, also in the case where not increasing transmission thickness of pipe wall,
Public teeth play the role of transmission tube reinforcing rib, increase the intensity of transmission tube, also provide further relative savings of needed for thickening transmission tube wall
Material.
Further, described one end refers to close to this one end of gear-box；Transmission bar assembly further includes the of regular polygon
Two drive rods, one end of the second drive rod and the regular polygon hole of the driving gear in the gear-box being set on the end floor beam are circumferential
Limit and axis limit, have gap between second drive rod and the first drive rod axial direction of regular polygon and the two are by coaxial line
The shaft coupling of installation connects.After using the above structure, it is convenient and efficient that the installation of the transmission tube end and gear-box becomes very simple.
Further, the structure of the shaft coupling is the second hollow circuit cylinder, and the centre bore of the second hollow circuit cylinder is and first
The regular polygon hole that drive rod and the second drive rod geomery match, the shape of the first drive rod and the second drive rod and circumscribed
Circular diameter is equal, respectively has a radial direction on the second hollow circuit cylinder axial position corresponding with the first drive rod and the second drive rod
Tapped through hole, each lock screw can be tightened on a line of the regular polygon of the first drive rod and the second drive rod with it is each
From the corresponding axial position of tapped through hole.After using the above structure, the structure very simple of shaft coupling, installation or removal are very
It is convenient and efficient.
Further, the transmission tube is two, is located at the two sides of the driving mechanism of lifting device；Described
Driving gear and mutual connection in one drive rod, connector, the second drive rod, shaft coupling, gear-box and gear-box
Structure is two, and is symmetrically distributed in crossbeam both ends.In other words, more than this paragragh components and its company described in each section
Relationship and positional relationship etc. are connect, is the structure of transmission bar assembly one end of the utility model, and symmetrical the utility model therewith
Transmission bar assembly the other end components and its connection relationship and positional relationship etc. it is all the same, i.e. the complete phase of the structure at both ends
Together.After using the above structure, the production of the transmission bar assembly in the lifting device of the utility model same table, was installed at processing
Cheng Jun is unified, simple, convenient, fast, and operational process is reliable and stable.
Detailed description of the invention
Fig. 1 is configuration schematic diagram of the utility model transmission bar assembly close to gear-box one end.
Fig. 2 is assembly structure diagram one of the utility model transmission bar assembly close to gear-box one end.
Fig. 3 is assembly structure diagram two of the utility model transmission bar assembly close to gear-box one end.
Fig. 4 is the structural schematic diagram of the first drive rod display circumferential recess in the utility model transmission bar assembly.
Fig. 5 is structural schematic diagram when the utility model transmission bar assembly is applied in lifting device and its same table.
As shown in the figure 1, transmission tube, the 2, first drive rod, 3, connector, the 4, first hollow circuit cylinder, 5, flange collar, 6, connector
Centre bore, 7, shaft coupling, the 8, second hollow circuit cylinder, the centre bore of the 9, second hollow circuit cylinder, the 10, second drive rod, 11, axis
Set, 12, gear-box, 13, drive the regular polygon hole of gear, 14, lifting gear, 15, driving gear, 16, bearing position, 17, female
Teeth, 18, pawl, 19, opening, 20, public teeth, 21, radial tapped through hole, 22, circumferential recess, 23, driving mechanism, 24, crossbeam.
25, table leg, 26, notch.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing.Herein it is to be understood that,
The explanation of these specific embodiments is used to help to understand the utility model, but does not constitute the limit to the utility model
It is fixed.As long as in addition, technical characteristic involved in each specific embodiment of the utility model disclosed below each other it
Between do not constitute conflict and can be combined with each other.
As shown in Figure 1, shown in Figure 5
Using the lifting device of the same table of the utility model transmission bar assembly, including driving mechanism 23 and two gear-boxes
12, connect with the lifting gear 14 in gear-box 12 and under the lifting gear 14 driving can positive and negative rotation to drive table leg 25
Inner and outer pipes relative displacement and the screw lift structure for going up and down table leg 25, screw lift structure can claim screw-threaded shaft elevator structure again.It passes
Lever component is set on crossbeam 24, and crossbeam 24 is the crossbeam with the telescopic adjustment structure of length, and crossbeam 24 also has title frame.
The specific structure of driving mechanism 23 can be to be connected with worm screw, worm and wheel engagement on motor shaft or crank shaft, worm gear can be fixed
On the drive rod of end transmission bar assembly, the both ends of the drive rod can be connect with the end of two transmission tubes through shaft coupling.Snail
Bar drives worm gear rotation, and worm gear rotation drives transmission tube 1 to rotate, and transmission bar assembly is revolved under driving mechanism driving around own axes
Turn.It is above same as the prior art, and be not the inventive point of the utility model, therefore be not unfolded to describe.
As shown in Figure 1, Figure 2, Figure 3, Figure 4
The inventive point of the utility model is
The structure of transmission bar assembly one end as described below for the utility model, and the biography of symmetrical the utility model therewith
The components and its connection relationship of the other end of lever component and positional relationship etc. are all the same, i.e. the structure at both ends is identical:
It includes that at least one transmission tube 1 and at least one are inserted into 1 one end of transmission tube such as that the utility model, which is driven bar assembly,
The first drive rod 2 close to 12 one end of gear-box.
First drive rod 2 is regular polygon bar, also referred to as the first drive rod 2 of regular polygon.Regular polygon bar
It can also claim regular polygon column, preferably hexagonal rod, hexagonal rod can claim hexagonal bar or hexagonal prisms again, and steel production, following institute can be used
The regular polygon bar for the second drive rod 10 stated is identical as the regular polygon bar of the first drive rod 2.Second drive rod 10
Also referred to as the second drive rod 10 of regular polygon.
Transmission tube 1 is equipped with a connector 3 close to the end of gear-box 12, and 3 excircle of connector prolongs axis from inner section to outer segment
To at least two stage steps: pipe inner segment is the first hollow circuit cylinder 4 that outer diameter is less than or equal to the stomidium diameter of transmission tube 1, pipe outer segment
It is greater than the flange collar 5 of 1 internal diameter of transmission tube for outer diameter.Have on first hollow circuit cylinder, 4 cylindrical wall and corresponding 1 inner round wall of transmission tube along axis
Male and female teeth to extending and being mutually twisted circumferentially to limit, as there is the more public teeth axially extended on 1 inner round wall of transmission tube
Tooth 20 has the more female teeth 17 axially extended in 4 cylindrical wall of the first hollow circuit cylinder of connector 3.As shown in Figure 1, public tooth
Tooth 20 can be the radial raised line axially extended, and female teeth can be the prolonging along axial direction of radial convex strip size matching of being slidably matched
The radial groove stretched.It is of course also possible to be that transmission tube internal perisporium has the radial raised line axially extended, the first of connector is hollow
Cylindrical outer circumference wall also has the radial raised line axially extended, mutually chimeric and male and female teeth, this structure can also be seen each other
At being spline structure.
First drive rod 2 has the adjusting section axially extended in transmission tube 1, and the centre bore 6 of connector is and the first transmission
Bar 2 is slidably matched so that the first drive rod 2 stretches and flexible polygon when adjusting between each other with crossbeam 24 with transmission tube 1
Hole.The outer wall and transmission tube 1 of first hollow circuit cylinder 4 of connector 3 circumferential limit and axial limiting as described in upper and lower, and first
Centre bore, that is, connector centre bore 6 of hollow circuit cylinder is but in always in addition to excessive tensile with the first drive rod 2 and is slidably matched
State, i.e. the first drive rod 2 is with transmission tube 1 between each other always in the state being slidably matched.When adjusting 24 length of crossbeam,
With flexible, the entirety that is also mutually flexible and changing correspondingly transmission bar assembly between the first drive rod 2 and transmission tube 1 of crossbeam 24
Length reaches the length of automatic adjustment transmission bar assembly while adjusting 24 length of crossbeam, also adapts to two 18 distances of gear-box
Variation.
There is axial limit structure between first hollow circuit cylinder, 4 cylindrical wall and transmission tube 1, as: the transmission tube 1 is aluminum
Transmission tube, that is, aluminum pipe has a notch for aluminum pipe internal pressure to rivet in 4 cylindrical wall of the first hollow circuit cylinder of the connector 3
26, certainly, notch 26 is also possible to along 4 circumference of the first hollow circuit cylinder symmetrically arranged two.When installation, by the of connector 3
In one 4 sections of hollow circuit cylinder insertion transmission tube 1 and the end wall of flange collar 5 offsets with 1 end wall of end transmission tube, and slightly firmly compressing aluminum pipe makes
Inner wall convex is in for notch, that is, axial limiting or axially position or axial restraint.The first hollow circuit cylinder cylindrical wall and biography
Axial limiting position limiting structure between dynamic pipe, also can be used structure in detail below: the middle segment trailer of adapter of plastic in cone and
Root diameter (RD) is greater than the aluminum pipe port inner diameter and axial tensioner and axial limiting.The first hollow circuit cylinder cylindrical wall and transmission tube
Between axial limit structure, structure in detail below also can be used: as described below, connector can have certain for plastic production
Elasticity, the aluminum pipe end inner wall can circumferentially set radial flange collar, and the propulsion of the first hollow circuit cylinder is firmly slightly made the two axial limiting.No
Indigestibility, axial limit structure described in this paragraph can equally play circumferential position-limiting action, i.e., be equally circumferential position limiting structure.
There is the axis for preventing 2 excessive tensile of the first drive rod and being detached from transmission tube 1 on the connector 3 and the first drive rod 2
To position limiting structure: the connector 3 may also include it is integrally formed most in section, that is, 3 excircle of connector is from inner section
Prolonging axial to outer segment to be three-level step, most in section minimum outer diameter, this section have it is multiple axially through opening 19 constitute it is more
A pawl 18, the connector 3 are the connector of plastic production, and the pawl 18 is flexible pawl, multiple elastic claw structures
At the external diameter of a circle in regular polygon hole be less than or equal to the external diameter of a circle of the first drive rod 2, regular polygon first pass
There is a circumferential recess 22 in the innermost end of lever 2, axial limiting is in multiple elastic claw inner ends insertion circumferential recess 22 to prevent the
One drive rod, 2 excessive tensile and be detached from transmission tube 1, and when reversely retracting, then elastic claw remain to slide with the first drive rod 2 with from
By stretching.The axial limit structure, it may also is that the external diameter of a circle in regular polygon hole that multiple pawls are constituted is less than or equal to
The external diameter of a circle of drive rod, there is a circumferential flange collar in the innermost end of the first drive rod, and the inner end of multiple pawls is supported to circumferential convex
The axial limiting when step of circle is detached from transmission tube to prevent the first drive rod excessive tensile, and when reversely retracting, then pawl remain to
First drive rod is slided with free extension.The axial limit structure, it may also is that the regular polygon hole that multiple pawls are constituted is external
Diameter of a circle is less than or equal to the external diameter of a circle of drive rod, has at least one block in the innermost end of the first drive rod, multiple
Axial limiting when to block is supported in the inner end of pawl, when being detached from transmission tube 1 to prevent the first drive rod excessive tensile, and reversely retracting,
Then pawl remains to slide with the first drive rod with free extension.
The utility model transmission bar assembly further includes the second drive rod 10 of regular polygon, the second drive rod of regular polygon
The circumferential limit in regular polygon hole 13 of 10 one end and the driving gear in the gear-box 12 being set on the end floor beam 24 and axial
Limit is such as fastened with lock screw.There is bearing between driving gear 15 and the bearing saddle bore of gear-box 12, rolling bearing can be used
Outer ring and bearing saddle bore cooperate, the inner-ring-tension of rolling bearing holds on position in gear shaft.But as shown in Figure 1, it is preferred that with
Flowering structure: the axle sleeve 11 being fixed in the bearing saddle bore of gear-box 12 is rotatably linked on the bearing position 16 of driving gear 15
It is interior, the second drive rod 10 and 11 coaxial line of axle sleeve of regular polygon.The axle sleeve 11 can be two of axial alignment, two axle sleeves
11 outer diameter and inner diameter is different, and respective outer circle is fixed in the respective bearing saddle bore of gear-box 12, respective inner hole and drive
The bearing position 16 of the different-diameter of moving gear 15 rotatably cooperates, and in this case, is driven bar assembly and drives the concentric of gear 15
Degree is more preferable, runs more stable and reliable.The bearing position 16 of gear 15 is driven to be alternatively referred to as the shaft shoulder or axle journal.Second drive rod 10 and
There is gap between one drive rod, 2 axial direction and shaft coupling 7 that the two is installed by coaxial line connects.
The structure of the shaft coupling 7 is the second hollow circuit cylinder 8, and the centre bore 9 of the second centered cylinder is and the first transmission
The regular polygon hole that bar 2 and 10 cross sectional shape size of the second drive rod match, the first drive rod 2 are circumscribed with the second drive rod 10
Circular diameter is equal, respectively has one on the second hollow circuit cylinder 8 axial position corresponding with the first drive rod 2 and the second drive rod 10
Radial tapped through hole 21, on the axial position for a line that each lock screw can be tightened on regular polygon, lock screw
It can claim lock-screw again.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for ability
For the technical staff in domain, various modifications and changes may be made to the present invention.It is all within the spirit of the present invention and principle,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (9)
1. the transmission bar assembly in a kind of lifting device of same table, including at least one transmission tube (1) and at least one insertion
The first drive rod (2) of transmission tube (1) one end, first drive rod (2) are regular polygon bar, it is characterised in that: are also wrapped
The connector (3) set on transmission tube (1) end, connector (3) and the limit of transmission tube (1) circumferential direction and axial limiting are included, first passes
Lever (2) has the adjusting section axially extended in transmission tube (1), and the centre bore (6) of connector is to slide with the first drive rod (2)
Cooperate so that the first drive rod (2) and transmission tube (1) are between each other with the polygonal hole that crossbeam (24) are flexible and stretch.
2. the transmission bar assembly in the lifting device of same table according to claim 1, it is characterised in that: the connector
(3) and there is the axial limit structure for preventing the first drive rod (2) excessive tensile and being detached from transmission tube (1) on the first drive rod (2).
3. the transmission bar assembly in the lifting device of same table according to claim 2, it is characterised in that: the connector
(3) excircle is from inner section to outer segment along axial direction at least two stage steps: pipe inner segment is that outer diameter is less than or equal to transmission tube (1) end
Have on first hollow circuit cylinder (4) in aperture, the first hollow circuit cylinder (4) cylindrical wall and corresponding transmission tube (1) inner round wall along axial direction
Extend and be mutually twisted the male and female teeth circumferentially to limit, has axial direction between the first hollow circuit cylinder (4) cylindrical wall and transmission tube (1)
Position limiting structure, pipe outer segment are the flange collar (5) that outer diameter is greater than transmission bore.
4. the transmission bar assembly in the lifting device of same table according to claim 3, it is characterised in that: the connection
Head (3) further include it is integrally formed most in section, most in section minimum outer diameter, this section have it is multiple axially through opening (19) constitute
Multiple pawls (18), the connector (3) be plastic production connector, the pawl (18) be flexible pawl, it is more
The external diameter of a circle in regular polygon hole that a elastic claw is constituted is less than or equal to the first drive rod (2) external diameter of a circle, just more
There is a circumferential recess (22) in the innermost end of the first drive rod (2) of side shape, multiple elastic claw inner ends are embedded in circumferential recess
(22) interior axial limiting is detached from transmission tube (1) to prevent the first drive rod (2) excessive tensile.
5. the transmission bar assembly in the lifting device of same table according to claim 3, it is characterised in that: the transmission tube
(1) it is aluminum pipe, has in the first hollow circuit cylinder (4) cylindrical wall of the connector (3) at least one for aluminum pipe internal pressure to rivet
Notch (26).
6. the transmission bar assembly in the lifting device of same table according to claim 3, it is characterised in that: transmission tube (1)
There are the more public teeth (20) axially extended on the inner round wall at the end, has in the first hollow circuit cylinder (4) cylindrical wall of connector
The more female teeth (17) for axially extending and matching with male teeth (20) geomery.
7. the transmission bar assembly in the lifting device of same table according to claim 1, it is characterised in that: described one end
Refer to close to this one end of gear-box (12)；Transmission bar assembly further includes the second drive rod (10) of regular polygon, the second drive rod
(10) one end and the regular polygon hole of the driving gear (15) in the gear-box (12) being set on the end floor beam (24) circumferentially limit
Position and axis limit, have gap between second drive rod (10) and the first drive rod (2) axial direction of regular polygon and the two by
Shaft coupling (7) connection of coaxial line installation.
8. the transmission bar assembly in the lifting device of same table according to claim 7, it is characterised in that: the shaft coupling
(7) structure is the second hollow circuit cylinder (8), and the centre bore (9) of the second hollow circuit cylinder is to be driven with the first drive rod (2) and second
The regular polygon hole that bar (10) geomery matches, the first drive rod (2) and the shape and circumcircle of the second drive rod (10) are straight
Diameter is equal, respectively has one on the second hollow circuit cylinder (8) axial position corresponding with the first drive rod (2) and the second drive rod (10)
A radial direction tapped through hole (21), each lock screw can be tightened on the just more of the first drive rod (2) and the second drive rod (10)
On the axial position corresponding with respective radial tapped through hole (21) of a line of side shape.
9. the transmission bar assembly in the lifting device of same table described according to claim 1~any one of 8, feature exist
In: the transmission tube (1) is two, is located at the two sides of the driving mechanism (23) of lifting device；First transmission
Driving gear in bar (2), connector (3), the second drive rod (10), shaft coupling (7), gear-box (12) and gear-box (12)
(15) and mutual connection structure is two, and is symmetrically distributed in the both ends of crossbeam (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821389301.8U CN209017983U (en) | 2018-08-28 | 2018-08-28 | Transmission bar assembly in the lifting device of same table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821389301.8U CN209017983U (en) | 2018-08-28 | 2018-08-28 | Transmission bar assembly in the lifting device of same table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209017983U true CN209017983U (en) | 2019-06-25 |
Family
ID=66875523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821389301.8U Active CN209017983U (en) | 2018-08-28 | 2018-08-28 | Transmission bar assembly in the lifting device of same table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209017983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876921A (en) * | 2022-03-30 | 2022-08-09 | 乐歌人体工学科技股份有限公司 | Transmission rod assembly and lifting table thereof |
-
2018
- 2018-08-28 CN CN201821389301.8U patent/CN209017983U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876921A (en) * | 2022-03-30 | 2022-08-09 | 乐歌人体工学科技股份有限公司 | Transmission rod assembly and lifting table thereof |
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