CN208831623U - One kind can steering screw transmission mechanism - Google Patents
One kind can steering screw transmission mechanism Download PDFInfo
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- CN208831623U CN208831623U CN201821536733.7U CN201821536733U CN208831623U CN 208831623 U CN208831623 U CN 208831623U CN 201821536733 U CN201821536733 U CN 201821536733U CN 208831623 U CN208831623 U CN 208831623U
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- fluting
- screw rod
- screw
- backplate
- connecting rod
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Abstract
It can steering screw transmission mechanism the utility model discloses one kind, including opening nut pipe and the screw arbor assembly matched with opening nut pipe, screw arbor assembly includes the first screw rod and the second screw rod being connected, screw rod connecting rod is provided between first screw rod and the second screw rod, first screw rod is provided with the first fluting matched with screw rod connecting rod, second screw rod is provided with the second fluting matched with screw rod connecting rod, the length direction of first fluting and the length direction of the second fluting are perpendicular, one end of screw rod connecting rod is provided with the first end to match with the shape of the first fluting, the other end of screw rod connecting rod is provided with the second end to match with the shape of the second fluting, first end and the first fluting clearance fit, the second end and the second fluting clearance fit.The utility model can steering screw transmission mechanism, between the first screw rod and the second screw rod formed flexible connection, realize the turning function of screw arbor assembly, improve the practicability of screw drive mechanism.
Description
Technical field
The utility model relates to screw drive technical fields more particularly to one kind can steering screw transmission mechanism.
Background technique
Screw drive mechanism is to convert rotary motion to linear motion or is rotary motion by transform linear motion.It is existing
Nut-screw mechanism in technology, generally can only Linear transmission, cannot turn or turn to realization curvilinear motion, therefore application site is deposited
In certain limitation.Therefore, it is necessary to a kind of screw drive mechanism that can be turned to be researched and developed, to solve existing screw drive mechanism
The technical issues of cannot turning.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide one kind can steering screw driver
Structure forms flexible connection, realizes the turning function of screw arbor assembly between the first screw rod and the second screw rod, improve screw rod biography
The practicability of motivation structure.
The utility model adopts the following technical solution realizes:
One kind can steering screw transmission mechanism, including opening nut pipe and with the screw rod that matches of opening nut pipe
Component, the screw arbor assembly include the first screw rod and the second screw rod being connected, first screw rod and second screw rod it
Between be provided with screw rod connecting rod, first screw rod is provided with the first fluting matched with the screw rod connecting rod, described the
Two screw rods are provided with the second fluting matched with the screw rod connecting rod, the length direction and described second of first fluting
The length direction of fluting is perpendicular, and one end of the screw rod connecting rod is provided with the to match with the shape of first fluting
One end, the other end of the screw rod connecting rod is provided with the second end to match with the shape of second fluting, described
First end and the first fluting clearance fit, the second end and the second fluting clearance fit.
Further, between the first end and first screw rod, the second end and second screw rod it
Between pass through pin shaft connect.
Further, the both ends of the screw arbor assembly are provided with bearing and the installation branch for installing the bearing
Frame is provided with the connection component for connecting external equipment between two mounting brackets.
Further, the connection component is set to the opening of the opening nut pipe.
Further, the connection component include be set to the first backplate above first screw rod, be set to it is described
The second backplate above second screw rod and the backplate connecting rod being set between first backplate and second backplate, institute
State the first backplate, second backplate is fixedly connected with two mounting brackets respectively.
Further, first backplate is provided with the third matched with the backplate connecting rod and slots, and described second
Backplate is provided with the 4th fluting matched with the backplate connecting rod, and one end of the backplate connecting rod is provided with and described the
The third end that the shape of three flutings matches, the other end of the backplate connecting rod are provided with the shape with the 4th fluting
The 4th end to match.
Further, the third end and third fluting clearance fit, the 4th end is opened with the described 4th
Slot clearance fit.
Further, the length direction of the third fluting is parallel with the length direction of the 4th fluting and is located at
In same level.
Further, between the third end and first backplate, the 4th end and second backplate it
Between pass through pin shaft connect.
Further, the inner wall of the opening nut pipe is provided with the first spiral slide, and the outer wall of the screw arbor assembly is set
It is equipped with the second spiral slide matched with first spiral slide, first spiral slide and second spiral slide
Between be provided with ball.
Compared with prior art, the utility model has the beneficial effects that:
By the way that screw rod connecting rod is arranged between the first screw rod and the second screw rod, and it is arranged in the first screw rod and is connect with screw rod
The first fluting that bar matches, the second fluting that the setting of the second screw rod is matched with screw rod connecting rod, and the length of the first fluting
The length direction of direction and the second fluting is perpendicular, and one end of screw rod connecting rod is provided with what the shape slotted with first matched
First end, the other end of screw rod connecting rod are provided with the second end that matches of shape with the second fluting, first end with
First fluting clearance fit, the technological means of the second end and the second fluting clearance fit, so that the first screw rod and the second screw rod
Between formed flexible connection, to realize the turning function of screw arbor assembly, improve the practicability of screw drive mechanism.
Detailed description of the invention
Fig. 1 be the utility model embodiment can steering screw transmission mechanism perspective view；
Fig. 2 is the partial enlarged view in Fig. 1 at A；
Fig. 3 is the screw arbor assembly of the utility model embodiment and the cooperation schematic diagram of ball；
Fig. 4 is the stereogram exploded view of the screw arbor assembly and ball in Fig. 3；
Fig. 5 is the stereogram exploded view in another direction of the screw arbor assembly and ball in Fig. 3；
Fig. 6 is the main view of the screw arbor assembly of the utility model embodiment；
Fig. 7 is the left view of the screw arbor assembly of the utility model embodiment；
Fig. 8 is the cross-sectional view of BB section in Fig. 7.
In figure: 10, be open nut pipe；20, the first screw rod；21, the first fluting；30, the second screw rod；31, the second fluting；
40, screw rod connecting rod；41, first end；42, the second end；50, mounting bracket；60, the first backplate；61, third is slotted；70,
Second backplate；71, the 4th fluting；80, backplate connecting rod；81, third end；82, the 4th end；90, ball.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
As shown in figures 1-8 can steering screw transmission mechanism, including opening nut pipe 10 and with opening 10 phase of nut pipe
The screw arbor assembly (not shown) of cooperation, screw arbor assembly include the first screw rod 20 and the second screw rod 30 being connected, the first screw rod 20
And second be provided with screw rod connecting rod 40 between screw rod 30, the first screw rod 20 is provided with first matched with screw rod connecting rod 40
Fluting 21, the second screw rod 30 are provided with the second fluting 31 matched with screw rod connecting rod 40, the length direction of the first fluting 21
Perpendicular with the length direction of the second fluting 31, one end of screw rod connecting rod 40 is provided with to match with the shape of the first fluting 21
First end 41, the other end of screw rod connecting rod 40 is provided with the second end 42 that matches of shape with the second fluting 31,
First end 41 and the first 21 clearance fits of fluting, the second end 42 and the second 31 clearance fits of fluting.
By between the first screw rod 20 and the second screw rod 30 be arranged screw rod connecting rod 40, and the first screw rod 20 setting with
The first fluting 21 that screw rod connecting rod 40 matches, the second fluting that the setting of the second screw rod 30 is matched with screw rod connecting rod 40
31, one end of screw rod connecting rod 40 is provided with the first end 41 to match with the shape of the first fluting 21, screw rod connecting rod 40
The other end be provided with the second end 42 that matches of shape with the second fluting 31, first end 41 is slotted 21 gaps with first
Cooperation, the technological means of the second end 42 and the second 31 clearance fits of fluting, so that between the first screw rod 20 and the second screw rod 30
Form flexible connection；Pass through the technology hand that the length direction of the first fluting 21 of setting and the length direction of the second fluting 31 are perpendicular
Section, so that can be relatively moved between the first screw rod 20 and the second screw rod 30 in horizontal and vertical direction, to realize screw rod group
The turning function of part improves the practicability of screw drive mechanism.That is the opening nut pipe of the utility model embodiment can be
Linear type or camber realize the cooperation of screw arbor assembly and the nut pipe that is open by the turning function of screw arbor assembly.
As preferred embodiment, the length direction of the first fluting 21 is horizontally disposed, the length of the second fluting 31
Degree direction is arranged along the vertical direction, so that can be opposite in horizontal and vertical direction between the first screw rod 20 and the second screw rod 30
It is mobile, to realize the turning function of screw arbor assembly.Preferably, between first end 41 and the first screw rod 20, the second end 42 with
It is connected by pin shaft between second screw rod 30.
As preferred embodiment, the both ends of screw arbor assembly are provided with bearing (not shown) and for installing bearing
Mounting bracket 50, the connection component (not shown) for connecting external equipment, connection are provided between two mounting brackets 50
Component is set to the opening of opening nut pipe 10.Connection component is set to the opening of opening nut pipe 10, to opening nut
Pipe 10 plays a protective role, while connection component realizes external equipment by screw drive mechanism for connecting external equipment
Transmission.
As preferred embodiment, connection component includes the first backplate 60 for being set to 20 top of the first screw rod, setting
The second backplate 70 above the second screw rod 30 and the backplate connecting rod being set between the first backplate 60 and the second backplate 70
80, the first backplate 60, the second backplate 70 are fixedly connected with two mounting brackets 50 respectively.
As preferred embodiment, the first backplate 60 is provided with the third fluting 61 matched with backplate connecting rod 80,
Second backplate 70 is provided with the 4th fluting 71 matched with backplate connecting rod 80, and one end of backplate connecting rod 80 is provided with and the
The third end 81 that the shape of three flutings 61 matches, the other end of backplate connecting rod 80 are provided with the shape with the 4th fluting 71
The 4th end 82 to match.Third end 81 and third 61 clearance fits of fluting, the 4th end 82 and the 4th 71 gaps of fluting
Cooperation, so that can be relatively moved between the first backplate 60 and the second backplate 70.
As preferred embodiment, third fluting 61 length direction with the 4th slot 71 length direction it is parallel,
And be located in the same horizontal plane, i.e. the first backplate 60 and the second backplate 70 can relatively move in the horizontal direction, so that screw rod group
When part turns to, the first backplate 60 and the second backplate 70 can follow movement.Between third end 81 and the first backplate 60, the 4th end
It is connected by pin shaft between portion 82 and the second backplate 70.
Inner wall as preferred embodiment, the nut pipe 10 that is open is provided with the first spiral slide (not shown), screw rod
The outer wall of component is provided with the second spiral slide (not shown) matched with the first spiral slide, the first spiral slide and second
Ball 90 is provided between spiral slide.
Above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacement belong to
In the utility model range claimed.
Claims (10)
1. one kind can steering screw transmission mechanism, it is characterised in that: including opening nut pipe and with the opening nut pipe phase
The screw arbor assembly of cooperation, the screw arbor assembly include the first screw rod and the second screw rod being connected, first screw rod and described
Screw rod connecting rod is provided between second screw rod, first screw rod is provided with first matched with the screw rod connecting rod and opens
Slot, second screw rod are provided with the second fluting matched with the screw rod connecting rod, the length direction of first fluting
Perpendicular with the length direction of second fluting, one end of the screw rod connecting rod is provided with the shape with first fluting
The first end to match, the other end of the screw rod connecting rod are provided with second to match with the shape of second fluting
End, the first end and the first fluting clearance fit, the second end and the second fluting clearance fit.
2. as described in claim 1 can steering screw transmission mechanism, it is characterised in that: the first end and first spiral shell
It is connected by pin shaft between bar, between the second end and second screw rod.
3. as described in claim 1 can steering screw transmission mechanism, it is characterised in that: the both ends of the screw arbor assembly are respectively provided with
There are bearing and the mounting bracket for installing the bearing, is provided between two mounting brackets and is set for connecting outside
Standby connection component.
4. as claimed in claim 3 can steering screw transmission mechanism, it is characterised in that: the connection component is set to described open
The opening of mouth nut pipe.
5. as claimed in claim 3 can steering screw transmission mechanism, it is characterised in that: the connection component includes being set to institute
It states the first backplate above the first screw rod, the second backplate being set to above second screw rod and is set to first shield
Backplate connecting rod between plate and second backplate, first backplate, second backplate respectively with two installations
Bracket is fixedly connected.
6. as claimed in claim 5 can steering screw transmission mechanism, it is characterised in that: first backplate be provided with it is described
The third fluting that backplate connecting rod matches, second backplate are provided with the 4th matched with the backplate connecting rod and open
Slot, one end of the backplate connecting rod are provided with the third end to match with the shape of third fluting, and the backplate connects
The other end of extension bar is provided with the 4th end to match with the shape of the 4th fluting.
7. as claimed in claim 6 can steering screw transmission mechanism, it is characterised in that: opened with the third third end
Slot clearance fit, the 4th end and the 4th fluting clearance fit.
8. as claimed in claim 6 can steering screw transmission mechanism, it is characterised in that: the length direction of the third fluting with
The length direction of 4th fluting is parallel and is located in the same horizontal plane.
9. as claimed in claim 6 can steering screw transmission mechanism, it is characterised in that: the third end and first shield
It is connected by pin shaft between plate, between the 4th end and second backplate.
10. as described in claim 1 can steering screw transmission mechanism, it is characterised in that: the inner wall of the opening nut pipe is set
It is equipped with the first spiral slide, the outer wall of the screw arbor assembly is provided with the second spiral slide matched with first spiral slide
Road is provided with ball between first spiral slide and second spiral slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821536733.7U CN208831623U (en) | 2018-09-20 | 2018-09-20 | One kind can steering screw transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821536733.7U CN208831623U (en) | 2018-09-20 | 2018-09-20 | One kind can steering screw transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208831623U true CN208831623U (en) | 2019-05-07 |
Family
ID=66314120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821536733.7U Active CN208831623U (en) | 2018-09-20 | 2018-09-20 | One kind can steering screw transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208831623U (en) |
-
2018
- 2018-09-20 CN CN201821536733.7U patent/CN208831623U/en active Active
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