CN201851483U - Connecting rod mechanism of electrical appliance - Google Patents
Connecting rod mechanism of electrical appliance Download PDFInfo
- Publication number
- CN201851483U CN201851483U CN2010206087735U CN201020608773U CN201851483U CN 201851483 U CN201851483 U CN 201851483U CN 2010206087735 U CN2010206087735 U CN 2010206087735U CN 201020608773 U CN201020608773 U CN 201020608773U CN 201851483 U CN201851483 U CN 201851483U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- positioning
- joint
- axis hole
- locating column
- Prior art date
- 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 relates to a connecting rod mechanism, in particular to a connecting rod mechanism of an electrical appliance which is adjustable in length. The utility model provides the following technical scheme: the connecting rod mechanism of the electrical appliance comprises a connecting rod and joints arranged at axial two ends of the connecting rod, and the connecting rod mechanism is characterized in that the axial two ends of the connecting rod are a regulating end and a positioning end respectively, a thread is arranged on the outer peripheral surface at the regulating end, the joints comprise a positioning joint and a regulating joint, a thread which is matched with the thread at the regulating end is arranged on the regulating joint connected with the regulating end of the connecting rod, and the positioning end of the connecting rod is in axial positioning and peripheral rotating fit with the positioning joint. With the adoption of the technical scheme, the connecting rod mechanism of the electrical appliance is simple in operation and convenient for regulation.
Description
Technical field
The utility model relates to a kind of linkage mechanism, particularly a kind of linkage mechanism of length-adjustable electrical equipment.
Background technique
The action of mechanism need be implemented interlock by linkage mechanism in the electrical equipment, linkage mechanism is mainly by connecting rod and be sheathed on the connecting rod two ends and constitute with joint that connecting rod cooperates in the shape of a spiral, this linkage mechanism can be installed in the different electrical equipment, and realizes the adjusting of spacing by the screw thread rotation of its connecting rod and two end connectors.But in the practical adjustments process, because the connection between two end connectors and other devices should not be dismantled, therefore adopt the turn connecting rod to regulate length of connecting rod usually, during rotation the joint at connecting rod two ends can rotate simultaneously with connecting rod and along pitman shaft to carrying out slippage, therefore, two ends must adopt the screw thread of different rotation directions could regulate length respectively, cause connecting rod to be not easy to make and use and management, be not easy to the adjusting of spacing is controlled, and operation comparatively bothers.
Summary of the invention
At the deficiency that prior art exists, the utility model provides a kind of linkage mechanism of electrical equipment of simple, convenient adjusting.
For achieving the above object, the utility model provides following technological scheme: a kind of linkage mechanism of electrical equipment, include connecting rod and be located at the joint of pitman shaft to two ends, it is characterized in that: described pitman shaft to two ends be respectively adjustable side and positioning end, the outer circumferential face at its place, adjustable side is provided with screw thread, described joint includes landing nipple and regulates joint, the adjusting joint that described and lever regulated end is connected is provided with the screw thread adaptive with the adjustable side screw thread, and the positioning end of described connecting rod is axially locating with landing nipple, rotating in a circumferential direction cooperates.
Wherein, the positioning end place of connecting rod is provided with positioning boss, and this positioning boss is provided with the locating column of cross section less than positioning boss, and landing nipple is provided with the axis hole adaptive with locating column, locating column penetrates this axis hole, and locating column extends to the outer end place of axis hole and is provided with positioning convex greater than axis hole.
Positioning convex is that locating column extends to axis hole outer end riveted joint, welding or adopts machinery type fixedly to form.
Adopt technique scheme: pitman shaft is divided into adjustable side and positioning end to two ends, and the adjustable side is screw thread with the adjusting joint and spins, and positioning end is axially locating with landing nipple, rotating in a circumferential direction cooperates.After being provided with like this, when the spacing between connecting rod and the joint is regulated, only need connecting rod is rotated, make its adjustable side and regulate to form adjusting between the joint, and axial displacement can not take place between its positioning end and the landing nipple, just circumferentially be rotated in the original place, respectively there are dextrorotation and derotation screw thread and nut in the connecting rod two ends in the prior art relatively, need not to pitman shaft to two ends regulate, reduced the adjusting operation, make adjustment process become simply, regulate more convenient; Simultaneously, cancel derotation double-screw bolt, derotation screw and derotation nut, greatly made things convenient for manufacturing, the operation and maintenance of connecting rod.
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings
Fig. 1 is the utility model embodiment's a structural representation;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the structural representation of connecting rod among the utility model embodiment;
Fig. 4 is the structural representation of landing nipple among the utility model embodiment.
Embodiment
As the linkage mechanism of a kind of electrical equipment of Fig. 1-shown in Figure 4, include connecting rod 1 and be located at the joint at connecting rod 1 axial two ends.Connecting rod 1 axial two ends are respectively adjustable side 11 and positioning end 12, and the outer circumferential face at its 11 places, adjustable side is provided with screw thread.Joint includes landing nipple 2 and regulates joint 3, the described adjusting joint 3 that is connected with connecting rod 1 adjustable side 11 is provided with and the adaptive screw thread of adjustable side 11 screw threads, and between fixing by nut 4, the positioning end 12 of connecting rod 1 is axially locating with landing nipple 2, rotating in a circumferential direction cooperates.In the such scheme, connecting rod 1 axial two ends are divided into adjustable side 11 and positioning end 12, adjustable side 11 is screw thread with adjusting joint 3 and spins, and positioning end 12 is axially locating with landing nipple 2, rotating in a circumferential direction cooperates.After being provided with like this, when the spacing between connecting rod 1 and the joint is regulated, only need the adjustable side 11 of connecting rod 1 is rotated, make its adjustable side 11 and regulate and form adjusting between the joint 3, and axial displacement can not take place between its positioning end 12 and the landing nipple 2, just circumferentially be rotated in the original place, respectively there are dextrorotation and derotation screw thread in the connecting rod two ends in the prior art relatively, saved the manufacturing that the derotation screw thread brings, management and the inconvenience of using, need not to pitman shaft to two ends regulate, reduced the adjusting operation, made adjustment process become simple, regulate more convenient.
In the utility model embodiment, positioning end 12 places of connecting rod 1 are provided with positioning boss 121, this positioning boss 121 is provided with the locating column 122 of cross section less than positioning boss 121, need to prove, positioning boss 121 and locating column 122 are rounded, and then the diameter of locating column 122 is less than the diameter of positioning boss 121.Landing nipple 2 is provided with the axis hole 21 adaptive with locating column 122, and locating column 122 penetrates this axis hole 21, and locating column 122 extends to axis hole 21 outer end places and is provided with positioning convex 123 greater than axis hole 21; The axial two ends of connecting rod 1 positioning end 12 are carried out axially locating by positioning convex 123 and positioning boss 121 with landing nipple 2 respectively, and the slightly larger in diameter of the axis hole 21 of landing nipple 2 is in the diameter of locating column 122, thereby realized axially locating and circumferential slippage between connecting rod 1 and the landing nipple 2.Need to prove that positioning convex 123 is that the ends riveted joint that locating column 122 extends to outside the axis hole 21 forms, being provided with like this is installation for convenience.Certainly, if projection 123 is made the independent disk of external diameter greater than axis hole 21, the through hole of external diameter less than locating column 122 made at the disk center, locating column 122 tops are made with this hole protruding accordingly, independent disk is enclosed within on the projection, again the two is welded or rivets, like this setting also can realize connecting rod 1 positioning end 12 and landing nipple 2 axially locating, rotate in a circumferential direction.Certainly, if projection 123 is made the independent disk of external diameter greater than axis hole 21, the non-round tube hole of external diameter less than locating column 122 made at the disk center, locating column 122 tops are made with this hole protruding accordingly, screw is made at its center, and independent disk is enclosed within on the projection, and it can not be rotated in a circumferential direction with respect to locating column 122, again the two is connected with screw, like this setting also can realize connecting rod 1 positioning end 12 and landing nipple 2 axially locating, rotate in a circumferential direction.Just this dual mode is installed comparatively trouble, thus the utility model preferred the former.
After the length adjustment, nut 4 is tightened on the joint 3,, changes length of connecting rod because of vibrations etc. cause connecting rod 1 to rotate voluntarily to prevent connecting rod during movement.
Claims (3)
1. the linkage mechanism of an electrical equipment, include connecting rod and be located at the joint of pitman shaft to two ends, it is characterized in that: described pitman shaft to two ends be respectively adjustable side and positioning end, the outer circumferential face at its place, adjustable side is provided with screw thread, described joint includes landing nipple and regulates joint, the adjusting joint that described and lever regulated end is connected is provided with the screw thread adaptive with the adjustable side screw thread, and the positioning end of described connecting rod is axially locating with landing nipple, rotating in a circumferential direction cooperates.
2. the linkage mechanism of electrical equipment according to claim 1, it is characterized in that: the positioning end place of described connecting rod is provided with positioning boss, this positioning boss is provided with the locating column of cross section less than positioning boss, landing nipple is provided with the axis hole adaptive with locating column, locating column penetrates this axis hole, and locating column extends to the outer end place of axis hole and is provided with positioning convex greater than axis hole.
3. the linkage mechanism of electrical equipment according to claim 2 is characterized in that: described positioning convex is that locating column extends to the outer end riveted joint of axis hole and forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206087735U CN201851483U (en) | 2010-11-16 | 2010-11-16 | Connecting rod mechanism of electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206087735U CN201851483U (en) | 2010-11-16 | 2010-11-16 | Connecting rod mechanism of electrical appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201851483U true CN201851483U (en) | 2011-06-01 |
Family
ID=44093875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206087735U Expired - Fee Related CN201851483U (en) | 2010-11-16 | 2010-11-16 | Connecting rod mechanism of electrical appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201851483U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278360A (en) * | 2011-06-10 | 2011-12-14 | 淮阴工学院 | Constant-force self-locking differential screw fine-tuning device |
| CN103335013A (en) * | 2013-06-26 | 2013-10-02 | 苏州市吴中区欣鑫开关配件厂 | Connecting rod of connecting lever |
| CN104568661A (en) * | 2014-12-31 | 2015-04-29 | 平湖市永光机械配件有限公司 | Connecting rod head of viscometer |
-
2010
- 2010-11-16 CN CN2010206087735U patent/CN201851483U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278360A (en) * | 2011-06-10 | 2011-12-14 | 淮阴工学院 | Constant-force self-locking differential screw fine-tuning device |
| CN102278360B (en) * | 2011-06-10 | 2013-09-18 | 淮阴工学院 | Constant-force self-locking differential screw fine-tuning device |
| CN103335013A (en) * | 2013-06-26 | 2013-10-02 | 苏州市吴中区欣鑫开关配件厂 | Connecting rod of connecting lever |
| CN104568661A (en) * | 2014-12-31 | 2015-04-29 | 平湖市永光机械配件有限公司 | Connecting rod head of viscometer |
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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: 20110601 Termination date: 20151116 |
|
| EXPY | Termination of patent right or utility model |