CN204084250U - Rotating shaft threading mechanism - Google Patents
Rotating shaft threading mechanism Download PDFInfo
- Publication number
- CN204084250U CN204084250U CN201420532912.9U CN201420532912U CN204084250U CN 204084250 U CN204084250 U CN 204084250U CN 201420532912 U CN201420532912 U CN 201420532912U CN 204084250 U CN204084250 U CN 204084250U
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- China
- Prior art keywords
- pad
- driving arm
- rod member
- main shaft
- rotating shaft
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model belongs to rotating shaft field, particularly relate to a kind of rotating shaft threading mechanism, be intended to solve the binding face of rotating shaft threading mechanism of the prior art after long-time use between two rod members be easily worn away cause inefficacy and two rod members to loosen after need artificial locking to cause the technical problem of troublesome poeration.Fix the second rod member, rotate the first rod member, will drive main axis, the first pad can be followed main shaft and be rotated.After determining the angle position between the first rod member and the second rod member, stop operating the first rod member, the first driving arm in first rod member and the friction formed between the first pad, can allow the first rod member be fixed on the second rod member, realize the adjustment of angle between the first rod member and the second rod member.
Description
Technical field
The utility model belongs to rotating shaft field, particularly relates to a kind of rotating shaft threading mechanism.
Background technology
Rotating shaft threading mechanism refers to two hinged rod members, and rod member inside is provided with electric wire, and rotating shaft threading mechanism is applied in the occasion needing angle adjustment and electric energy to transmit, such as desk lamp.As Fig. 5, in the desk lamp of prior art, desk lamp comprises upper lever 91, lower rod member 92 and the lamp holder be arranged on an end of upper lever 91, lock to coordinate with nut 94 by bolt 93 between upper lever 91 with lower rod member 92 and realize, regulate the turned position between upper lever 91 and lower rod member 92 can realize the angle adjustment of lamp holder.Further, upper lever 91 is provided with wear plate 95 with the cooperation place of lower rod member 92, and the both sides of wear plate 95 rub with upper lever 91, lower rod member 92 respectively, can produce damping sense.After bolt 93 and nut 94 are locked, lamp holder can be fixed on the angle position of user's needs.
There is following shortcoming in the rotating shaft threading mechanism of prior art:
1. the damping sense owing to rotating between upper lever 91 and lower rod member 92 relies on the interference fit of two rod members and wear plate 95 to produce, after long-time use, binding face between two rod members is easily worn away, make the magnitude of interference more and more less, damping sense diminishes, also make cannot fix between upper lever 91 and lower rod member 92, the life-span of two rod member junctions cannot be ensured.
2. bolt 93 is depended merely on screw thread with nut 94 and is connected, and after long-time use, bolt 93 can produce loosening, allows between upper lever 91 and lower rod member 92 and is difficult to fix.
3., in use, after bolt 93 loosens, need rely on the rotary handle on user's hand or other aid rotating bolts 93 and bolt 93 and nut 94 locked, this troublesome poeration, Consumer's Experience is not good enough.
Utility model content
The purpose of this utility model is to provide a kind of rotating shaft threading mechanism, be intended to solve the binding face of rotating shaft threading mechanism of the prior art after long-time use between two rod members be easily worn away cause inefficacy and two rod members to loosen after need artificial locking to cause the technical problem of troublesome poeration.
The utility model realizes like this, a kind of rotating shaft threading mechanism, described rotating shaft threading mechanism comprises the first rod member, second rod member, rotating assembly and electric wire, described first rod member comprises the first body and is fixed on the first driving arm on this first body, described second rod member comprises the second body and is fixed on the second driving arm on this second body, this second driving arm offers through hole, described rotating assembly comprises main shaft, there is the first pad and the elastic component of the first via hole, described first driving arm is fixed on described main shaft, described main shaft is successively through the first via hole of described first pad, the through hole of described second driving arm and described elastic component, be Profile Connection between described main shaft and described first via hole, described main shaft is provided with for by this first pad, this second driving arm and this elastic component are along the axial limit structure of axial limiting on this main shaft of this main shaft, described electric wire draws described second body after introducing the part between described first pad and described first driving arm of described first body around the described main shaft of mistake.
Further, described rotating assembly also comprises second pad with the second via hole, and described second pad to be placed on described main shaft and between described second driving arm and described elastic component, to be Profile Connection between described main shaft and described second via hole.
Further, described main shaft comprise be connected successively first paragraph, second segment and the 3rd section, the external diameter of described second segment is greater than the external diameter of first paragraph, the external diameter that the external diameter of described second segment is greater than the 3rd section; Described first driving arm offers through nibs, is Profile Connection between this through nibs and described first paragraph; Second via hole of the first via hole of described first pad, the through hole of described second driving arm, described second pad and described elastic component are located on described 3rd section successively, and this first pad, this second driving arm, this second pad are against on the planar end surface of described second segment successively mutually with this elastic component; Described staple for electric wire is walked around on described second segment.
Further, described through nibs is waist-shaped hole, and described first paragraph is waist type.
Further, the first via hole of described first pad and the second via hole of described second pad are waist-shaped hole, and described 3rd section is waist type.
Further, described rotating assembly also comprises and being located on described first paragraph and the first installation sheet offseted with described first driving arm and be located in described 3rd section of upper and the second installation sheet offseted with described second driving arm, described axial limit structure is be riveted on the rivet on described main shaft, this rivet has first end and second end relative with this first end, the first end of this rivet axially fastens described first installation sheet and described first driving arm on described first paragraph, second end of this rivet axially fastens described first pad, described second driving arm, described second pad, described elastic component and described second installation sheet are on described 3rd section.
Further; the side away from described first driving arm of described first installation sheet is bonded with the first shell for the protection of the described electric wire be looped around on described 3rd section, the side away from described second driving arm of described second installation sheet is bonded with the second housing for the protection of the described electric wire be looped around on described 3rd section.
Further, described first pad and described second pad are flat shim, and the relative both sides of described first pad all offer some pits for holding lubricating oil with the relative both sides of described second pad.
Further, described elastic component is the young sheet of some stacked pots, and the young sheet of all described pots all offers the through hole passed for described main shaft.
Further, described first body and described first driving arm are formed in one, and described second body and described second driving arm are formed in one.
The utility model relative to the technique effect of prior art is: rotating shaft threading mechanism comprises the first rod member, the second rod member, rotating assembly and electric wire, and rotating assembly comprises main shaft, the first pad and elastic component.First pad, the second driving arm and elastic component are locked on main shaft by axial limit structure vertically, are Profile Connection between main shaft and the first via hole.
Fix the second rod member, rotate the first rod member, will drive main axis, the first pad can be followed main shaft and be rotated.After determining the angle position between the first rod member and the second rod member, stop operating the first rod member, the first driving arm in first rod member and the friction formed between the first pad, can allow the first rod member be fixed on the second rod member, realize the adjustment of angle between the first rod member and the second rod member.
Damping sense is not produced by the friction of mating surface between two rod members, after long-time use, the mating surface of two rod members can not damage, and can not be worn away the problem causing inefficacy between the first rod member and the second rod member, improves the reliability of rotating shaft threading mechanism.First rod member and the second rod member rely on rotating assembly to guarantee both fixing, and can not loosen easily, avoid needing often manually to lock the problem causing troublesome poeration with damping adjusting dynamics, improve Consumer's Experience.Through verification experimental verification, the first rod member rotates after 20,000 times around the second rod member up and down, and the loss of damping dynamics is no more than 20%.
Further, electric wire adopts around on position between the first rod member and the second rod member of the arranged in form of main shaft, when the first rod member and the second rod member relatively rotate, can not damage electric wire, ensure the reliability of electric wire, the transmission of guarantee electric energy.
Accompanying drawing explanation
Fig. 1 is the installation diagram of the rotating shaft threading mechanism that the utility model embodiment provides.
Fig. 2 is the sectional view of the rotating shaft threading mechanism of Fig. 1.
Fig. 3 is the exploded view of the rotating shaft threading mechanism of Fig. 1.
Fig. 4 is the exploded view of the first rod member applied in the rotating shaft threading mechanism of Fig. 3.
Fig. 5 is the installation diagram of the rotating shaft threading mechanism that prior art provides.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1 to Fig. 4, a kind of rotating shaft threading mechanism that the utility model embodiment provides, described rotating shaft threading mechanism comprises the first rod member 10, second rod member 20, rotating assembly 30 and electric wire 40, described first rod member 10 comprises the first body 11 and is fixed on the first driving arm 12 on this first body 11, described second rod member 20 comprises the second body 21 and is fixed on the second driving arm 22 on this second body 21, this second driving arm 22 offers through hole 224, described rotating assembly 30 comprises main shaft 31, there is the first pad 32 and the elastic component 33 of the first via hole 321, described first driving arm 12 is fixed on described main shaft 31, described main shaft 31 is successively through the first via hole 321 of described first pad 32, through hole 224 and the described elastic component 33 of described second driving arm 22, be Profile Connection between described main shaft 31 and described first via hole 321, described main shaft 31 is provided with for by this first pad 32, this second driving arm 22 and the axial limiting axial limit structure (not shown) on this main shaft 31 of this elastic component 33 along this main shaft 31, described electric wire 40 draws described second body 21 after introducing the part between described first pad 32 and described first driving arm 12 of described first body 11 around the described main shaft 31 of mistake.
In the present embodiment, the first driving arm 12 comprises the first fixed part 121, first connecting portion 122, first articulated section 123 be connected successively, and three forms the structure of similar " Z " word.First fixed part 121 is lengthy motion picture shape and is installed in the inside of the first body 11.First articulated section 123 is installed on one end of main shaft 31, rotates the first driving arm 12, and main shaft 31 will be followed the first driving arm 12 and be rotated.Second driving arm 22 comprises the second fixed part 221, second connecting portion 222, second articulated section 223 be connected successively, and three forms the structure of similar " Z " word.Second fixed part 221 is lengthy motion picture shape and is installed in the inside of the second body 21.Second articulated section 223 is set on one end of main shaft 31, and the second driving arm 22 does not rotate with main shaft 31 and rotates.First driving arm 12 and the structure of the second driving arm 22 in similar " Z " word, and be oppositely arranged on the two ends of main shaft 31, and allow electric wire 40 at the middle part of main shaft 31 around and mistake, this compact conformation, takes up room little.
First body 11 inside is provided with the contact edge 111 of the first fixed part 121 for axial contact first driving arm 12, realizes the axial location of the first driving arm 12 in the first body 11.First body 11 inside has the lip 112 of a plane formula, and this lip 112 can fit with the first fixed part 121.The both sides of the first fixed part 121 have extended to form an extension 125 along its length respectively, and extension 125 has the outer surface fitted with the inwall of the first body 11.Thus realize the circumference location of the first driving arm 12 in the first body 11.First fixed part 121 of the first driving arm 12 is bonding with between the lip 112 of the first body 11, realize the first driving arm 12 and the first body 11 affixed.Similar structure is had between second body 21 and the second driving arm 22.
Profile Connection is a kind of connecting mode of the shaft hole matching adopting not rounded odd-shaped cross section.First pad 32 offers the first via hole 321, be Profile Connection between main shaft 31 and the first via hole 321, the first pad 32 can be followed main shaft 31 and rotated and rotate, geo-stationary between the first pad 32 and main shaft 31.
Axial limit structure can for arrange on the end of main shaft 31 rivet by the first pad 32, second driving arm 22 with elastic component 33 axial limiting on main shaft 31, or main shaft 31 is offered external screw thread again attaching nut by the first pad 32, second driving arm 22 with elastic component 33 axial limiting on main shaft 31, or other structures by the first pad 32, second driving arm 22 with elastic component 33 axial limiting on main shaft 31.
In the present embodiment, two wires 40 are drawn from base (not shown), enter from the first body 11, after the main shaft 31 1 that rotates circle, draw, then be connected with lamp holder (not shown) from the second body 21.Therefore, the first rod member 10 and relatively rotating of the second rod member 20 can not twist electric wire 40, ensure the reliability of electric wire 40, ensure electric energy transmission.
Rotating shaft threading mechanism comprises the first rod member 10, second rod member 20, rotating assembly 30 and electric wire 40, and rotating assembly 30 comprises main shaft 31, first pad 32 and elastic component 33.First pad 32, second driving arm 22 is locked on main shaft 31 with elastic component 33 by axial limit structure vertically, is Profile Connection between main shaft 31 and the first via hole 321.
Fix the second rod member 20, rotate the first rod member, rotated by drive main shaft 31, the first pad 32 can be followed main shaft 31 and be rotated.After determining the angle position between the first rod member 10 and the second rod member 20, stop operating the first rod member 10, the first driving arm 12 in first rod member 10 and the friction formed between the first pad 32, the first rod member 10 can be allowed to be fixed on the second rod member 20, to realize the adjustment of angle between the first rod member 10 and the second rod member 20.
Damping sense is not produced by the friction of mating surface between two rod members, after long-time use, the mating surface of two rod members can not damage, and can not be worn away the problem causing inefficacy between the first rod member 10 and the second rod member 20, improves the reliability of rotating shaft threading mechanism.First rod member 10 and the second rod member 20 rely on rotating assembly 30 to guarantee both fixing, and can not loosen easily, avoid needing often manually to lock the problem causing troublesome poeration with damping adjusting dynamics, improve Consumer's Experience.Through verification experimental verification, the first rod member 10 rotates after 20,000 times around the second rod member about 20, and the loss of damping dynamics is no more than 20%.
Further, electric wire 40 adopts on arranged in form around main shaft 31 position between the first rod member 10 and the second rod member 20, when the first rod member 10 and the second rod member 20 relatively rotate, can not damage electric wire 40, ensure the reliability of electric wire 40, ensure electric energy transmission.
Further, described rotating assembly 30 also comprises second pad 34 with the second via hole 341, described second pad 34 to be placed on described main shaft 31 and between described second driving arm 22 and described elastic component 33, to be Profile Connection between described main shaft 31 and described second via hole 341.Second pad 34 can be followed main shaft 31 and rotated and rotate, geo-stationary between the second pad 34 and main shaft 31.After determining the angle position between the first rod member 10 and the second rod member 20, stop operating the first rod member 10, the first driving arm 12 in first rod member 10 respectively and the friction formed between the first pad 32, second pad 34, the first rod member 10 can be allowed more effectively to be fixed on the second rod member 20, to realize the adjustment of angle between the first rod member 10 and the second rod member 20.
Further, described main shaft 31 comprise be connected successively first paragraph 311, second segment 312 and the 3rd section 313, the external diameter of described second segment 312 is greater than the external diameter of first paragraph 311, the external diameter that the external diameter of described second segment 312 is greater than the 3rd section 313; Described first driving arm 12 offers through nibs 124, is Profile Connection between this through nibs 124 and described first paragraph 311; Second via hole 341 of the first via hole 321 of described first pad 32, the through hole 224 of described second driving arm 22, described second pad 34 is located on described 3rd section 313 with described elastic component 33 successively, and this first pad 32, this second driving arm 22, this second pad 34 and this elastic component 33 are against on the planar end surface of described second segment 312 successively mutually; Described electric wire 40 is around crossing on described second segment 312.Second segment 312 is complete cylindric, is convenient to thereon around electric wire 40.First paragraph 311 cuts out prosposition on the basis of cylinder, is used for matching with the first installation sheet 35, first driving arm 12.On the basis of cylinder, cut out prosposition for 3rd section 313, be used for matching with the first pad 32, first driving arm 12, second pad 34, second installation sheet 36.
Further, described through nibs 124 is waist-shaped hole, and described first paragraph 311 is in waist type.This structure is easily processed and is assembled.Understandably, through nibs 124 is the structure of other Profile Connection with first paragraph 311.
Further, the first via hole 321 of described first pad 32 is waist-shaped hole with the second via hole 341 of described second pad 34, and described 3rd section 313 is waist type.This structure is easily processed and is assembled.Understandably, through nibs 124 is the structure of other Profile Connection with first paragraph 311.
Further, described rotating assembly 30 also comprises and being located on described first paragraph 311 and the first installation sheet 35 offseted with described first driving arm 12 and being located on described 3rd section 313 and the second installation sheet 36 offseted with described second driving arm 22, described axial limit structure is be riveted on the rivet (not shown) on described main shaft 31, this rivet has first end and second end relative with this first end, the first end of this rivet axially fastens described first installation sheet 35 with described first driving arm 12 on described first paragraph 311, second end of this rivet axially fastens described first pad 32, described second driving arm 22, described second pad 34, described elastic component 33 and described second installation sheet 36 are on described 3rd section 313.The profile of the first installation sheet 35 and the second installation sheet 36 is circular, and centre bore is waist-shaped hole, matches with the 3rd section 313 of main shaft 31.Adopt riveting method that all parts on main shaft 31 are fixed and compressed, this structure is easily processed and is assembled.
Further; the side away from described first driving arm 12 of described first installation sheet 35 is bonded with the first shell 37 for the protection of the described electric wire 40 be looped around on described 3rd section 313, the side away from described second driving arm 22 of described second installation sheet 36 is bonded with the second housing 38 for the protection of the described electric wire 40 be looped around on described 3rd section 313.
Further, described first pad 32 is flat shim with described second pad 34, and the relative both sides of described first pad 32 and the relative both sides of described second pad 34 all offer some pits (322,342) for holding lubricating oil.Pit, for holding lubricating oil, causes parts depreciation after avoiding repeatedly rubbing, thus effectively extends part life.
The relative both sides of the first articulated section 123 of the first driving arm 12 offer some pits 126, for holding lubricating oil, causing parts depreciation after avoiding repeatedly rubbing, thus effectively extending part life.The relative both sides of the second articulated section 223 of the second driving arm 22 offer some pits 225, for holding lubricating oil, causing parts depreciation after avoiding repeatedly rubbing, thus effectively extending part life.
Further, described elastic component 33 is the young sheet 33 of some stacked pots, and the young sheet 33 of all described pots all offers the through hole 331 passed for described main shaft 31.The profile of the young sheet 33 of pot be circular, and conglobate through hole 331 is done in its inside, for passing the 3rd section 313 of main shaft 31.The surface of the young sheet 33 of pot is arc-shaped, for providing elastic force, preventing from loosening between the first pad 32, second driving arm 22 and the second pad 34, thus ensureing damping dynamics and the life-span of rotating shaft threading structure.In the present embodiment, the quantity of the young sheet 33 of pot is two, effectively carries out contact to the second driving arm 22.Understandably, the quantity basis of the young sheet 33 of pot needs to arrange.Elastic component 33 is spring or other elastic components.
Further, described first body 11 is formed in one with described first driving arm 12, and described second body 21 is formed in one with described second driving arm 22.This structure is easily assembled.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a rotating shaft threading mechanism, it is characterized in that: described rotating shaft threading mechanism comprises the first rod member, second rod member, rotating assembly and electric wire, described first rod member comprises the first body and is fixed on the first driving arm on this first body, described second rod member comprises the second body and is fixed on the second driving arm on this second body, this second driving arm offers through hole, described rotating assembly comprises main shaft, there is the first pad and the elastic component of the first via hole, described first driving arm is fixed on described main shaft, described main shaft is successively through the first via hole of described first pad, the through hole of described second driving arm and described elastic component, be Profile Connection between described main shaft and described first via hole, described main shaft is provided with for by this first pad, this second driving arm and this elastic component are along the axial limit structure of axial limiting on this main shaft of this main shaft, described electric wire draws described second body after introducing the part between described first pad and described first driving arm of described first body around the described main shaft of mistake.
2. rotating shaft threading mechanism as claimed in claim 1, it is characterized in that: described rotating assembly also comprises second pad with the second via hole, described second pad to be placed on described main shaft and between described second driving arm and described elastic component, to be Profile Connection between described main shaft and described second via hole.
3. rotating shaft threading mechanism as claimed in claim 2, is characterized in that: described main shaft comprise be connected successively first paragraph, second segment and the 3rd section, the external diameter of described second segment is greater than the external diameter of first paragraph, the external diameter that the external diameter of described second segment is greater than the 3rd section; Described first driving arm offers through nibs, is Profile Connection between this through nibs and described first paragraph; Second via hole of the first via hole of described first pad, the through hole of described second driving arm, described second pad and described elastic component are located on described 3rd section successively, and this first pad, this second driving arm, this second pad are against on the planar end surface of described second segment successively mutually with this elastic component; Described staple for electric wire is walked around on described second segment.
4. rotating shaft threading mechanism as claimed in claim 3, it is characterized in that: described through nibs is waist-shaped hole, and described first paragraph is waist type.
5. rotating shaft threading mechanism as claimed in claim 3, is characterized in that: the first via hole of described first pad and the second via hole of described second pad are waist-shaped hole, and described 3rd section is waist type.
6. rotating shaft threading mechanism as claimed in claim 3, it is characterized in that: described rotating assembly also comprises and being located on described first paragraph and the first installation sheet offseted with described first driving arm and be located in described 3rd section of upper and the second installation sheet offseted with described second driving arm, described axial limit structure is be riveted on the rivet on described main shaft, this rivet has first end and second end relative with this first end, the first end of this rivet axially fastens described first installation sheet and described first driving arm on described first paragraph, second end of this rivet axially fastens described first pad, described second driving arm, described second pad, described elastic component and described second installation sheet are on described 3rd section.
7. rotating shaft threading mechanism as claimed in claim 6; it is characterized in that: the side away from described first driving arm of described first installation sheet is bonded with the first shell for the protection of the described electric wire be looped around on described 3rd section, the side away from described second driving arm of described second installation sheet is bonded with the second housing for the protection of the described electric wire be looped around on described 3rd section.
8. rotating shaft threading mechanism as claimed in claim 2, it is characterized in that: described first pad and described second pad are flat shim, and the relative both sides of described first pad all offer some pits for holding lubricating oil with the relative both sides of described second pad.
9. the rotating shaft threading mechanism as described in any one of claim 1 to 8, is characterized in that: described elastic component is the young sheet of some stacked pots, and the young sheet of all described pots all offers the through hole passed for described main shaft.
10. the rotating shaft threading mechanism as described in any one of claim 1 to 8, is characterized in that: described first body and described first driving arm are formed in one, and described second body and described second driving arm are formed in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420532912.9U CN204084250U (en) | 2014-09-16 | 2014-09-16 | Rotating shaft threading mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420532912.9U CN204084250U (en) | 2014-09-16 | 2014-09-16 | Rotating shaft threading mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204084250U true CN204084250U (en) | 2015-01-07 |
Family
ID=52176965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420532912.9U Expired - Fee Related CN204084250U (en) | 2014-09-16 | 2014-09-16 | Rotating shaft threading mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204084250U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108870169A (en) * | 2018-07-31 | 2018-11-23 | 北京小米移动软件有限公司 | Lamps and lanterns |
-
2014
- 2014-09-16 CN CN201420532912.9U patent/CN204084250U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108870169A (en) * | 2018-07-31 | 2018-11-23 | 北京小米移动软件有限公司 | Lamps and lanterns |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 |
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| CF01 | Termination of patent right due to non-payment of annual fee |