CN205371188U - Expansion bar - Google Patents
Expansion bar Download PDFInfo
- Publication number
- CN205371188U CN205371188U CN201521053211.8U CN201521053211U CN205371188U CN 205371188 U CN205371188 U CN 205371188U CN 201521053211 U CN201521053211 U CN 201521053211U CN 205371188 U CN205371188 U CN 205371188U
- Authority
- CN
- China
- Prior art keywords
- gag lever
- lever post
- channel
- cam surface
- passage
- 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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- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
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Abstract
The utility model relates to an expansion bar, including shell, the regulation pole that is located first passageway, the gag lever post that is located the second channel that are equipped with first passageway and second channel, cup joint the driving piece on the gag lever post, the periphery of gag lever post is equipped with first cam surface, the driving piece is equipped with the second cam surface relative with first cam surface, second channel and first passageway intercommunication are adjusted the pole and are equipped with two at least spacing holes along the axle arrangement, spacing hole and gag lever post cooperate near the one end of first passageway. Through rotating the driving piece, the bump of messenger's second cam surface is close to the bump of the first cam surface of gag lever post gradually, makes the gag lever post remove to the one side of keeping away from first passageway to it can adjust the length of adjusting the pole and stretching out first passageway this moment to break away from the spacing hole of adjusting the pole gradually, after the adjustment was accomplished, the rethread rotated the driving piece, made the gag lever post remove to one side of first passageway to the spacing hole of pole is gone into to adjust by the card, and it is fixed that the messenger adjusts the pole, realizes that expansion bar adjusts, and the regulation is nimble simple, convenient to use.
Description
Technical field
This utility model relates to rod member technical field, particularly to a kind of expansion link.
Background technology
At present, owing to expansion link can regulate length, use in a large number in life.But traditional expansion link is generally by least two pipe fitting of socket mutually, realize length condition, and be attached fixing by arranging the mode of installing hole and screw between two pipe fittings, need during adjustment first to be unclamped by screw, tighten screw after having adjusted again, therefore regulate trouble；And need to arrange multiple pipe fitting, make the weight penalty of expansion link, in-convenience in use.
Utility model content
The purpose of this utility model is in that to provide a kind of expansion link, it is possible to be easy to regulate, easy to use and light.
For realizing the purpose of this utility model, adopt the technical scheme that:
A kind of expansion link, including being provided with the shell of first passage and second channel, being positioned at the adjusting rod of first passage, the gag lever post being positioned at second channel, the actuator that is socketed on gag lever post, the periphery of gag lever post is provided with the first cam surface, actuator is provided with second cam surface relative with the first cam surface, second channel connects with first passage, adjusting rod is provided with the spacing hole that at least two is axially disposed, spacing hole and the gag lever post one end fits near first passage.
During rotating drive part, under the first cam surface and the second cam surface effect, gag lever post can move along second channel and stretch into or exit first passage, snaps in simultaneously or depart from the spacing hole of adjusting rod.When needing the length adjusting expansion link, first pass through rotating drive part, the salient point making the second cam surface moves closer to the salient point of the first cam surface of gag lever post, make gag lever post to the side shifting away from first passage, and progressively disengage the spacing hole of adjusting rod and exit first passage, now can adjust adjusting rod and stretch out the length of first passage；After adjustment completes, again through rotating drive part, make the second cam surface salient point be gradually distance from the salient point of the first cam surface, and make the second cam surface and the laminating of the second cam surface, make a gag lever post side shifting to first passage, and progress into first passage and snap in the spacing hole of adjusting rod, make adjusting rod fix, it is achieved the adjustment of expansion link, and flexible adjustment is simple, it is socketed without multiple adjusting rods, alleviates the weight of expansion link, use more convenient.
Below technical scheme is further illustrated:
Further, expansion link also includes the back-moving spring being positioned at second channel and fixes the securing member being connected with second channel, and back-moving spring one end offsets away from one end of first passage with gag lever post, and the other end and securing member offset.Making gag lever post to the side shifting away from first passage by actuator, gradually reduce back-moving spring, adjusts adjusting rod and stretches out the length of first passage；When unclamping actuator, under the effect of back-moving spring so that gag lever post is to first passage one side shifting, after the spacing hole of adjusting rod aligns with gag lever post, gag lever post snaps in spacing hole, makes adjusting rod fix, realizing the adjustment of expansion link, the adjustment making expansion link is more convenient flexibly.
Further, securing member is sheathed in second channel, and securing member periphery is provided with the first screw thread, and the inwall of second channel is provided with the second screw thread with the first threaded engagement.Securing member and second channel are threaded, it is simple to installation and removal, and stretch into the length of second channel by securing member and adjust back-moving spring and be positioned at the position of second channel, adjust the elastic force to gag lever post after back-moving spring compression, it is simple to installation and debugging.
Further, shell is provided with the opening connected with second channel, and actuator is positioned at opening.By arranging the opening holding actuator on shell, make the more convenient operation of actuator, the more reasonable structure of expansion link.
Further, actuator is rotating disk.
Further, the periphery of rotating disk is provided with a plurality of raised line circumferentially.Raised line plays the effect increasing frictional force, and the rotation making rotating disk is more convenient, regulates more stable.
Further, first passage and second channel are arranged vertically.Make gag lever post vertically snap in or depart from the spacing hole of adjusting rod, making the cooperation between gag lever post and adjusting rod more stable.
Compared with prior art, this utility model has the advantages that
This utility model is when needing the length adjusting expansion link, first pass through rotating drive part, the salient point making the second cam surface moves closer to the salient point of the first cam surface of gag lever post, make gag lever post to the side shifting away from first passage, and progressively disengage the spacing hole of adjusting rod and exit first passage, now can adjust adjusting rod and stretch out the length of first passage；After adjustment completes, again through rotating drive part, make the second cam surface salient point be gradually distance from the salient point of the first cam surface, and make the second cam surface and the laminating of the second cam surface, make a gag lever post side shifting to first passage, and progress into first passage and snap in the spacing hole of adjusting rod, make adjusting rod fix, it is achieved the adjustment of expansion link, and flexible adjustment is simple, it is socketed without multiple adjusting rods, alleviates the weight of expansion link, use more convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment expansion link；
Fig. 2 is that the A-A of Fig. 1 is to cross-sectional view.
Description of reference numerals:
10. shell, 110. first passages, 120. second channels, 130. openings, 20. adjusting rods, 210. spacing holes, 30. gag lever posts, 310. first cam surfaces, 40. actuators, 410. second cam surfaces, 420. raised lines, 50. back-moving springs, 60. securing members.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail:
As depicted in figs. 1 and 2, a kind of expansion link, including the shell 10 being provided with first passage 110 and second channel 120, it is positioned at the adjusting rod 20 of first passage 110, it is positioned at the gag lever post 30 of second channel 120, it is socketed on the actuator 40 on gag lever post 30, the periphery of gag lever post 30 is provided with the first cam surface 310, actuator 40 is provided with second cam surface 410 relative with the first cam surface 310, second channel 120 connects with first passage 110, adjusting rod 20 is provided with the axially disposed spacing hole of at least two 210, spacing hole 210 and gag lever post 30 one end fits near first passage 110.
During rotating drive part 40, under the first cam surface 310 and the second cam surface 410 act on, gag lever post 30 can move along second channel 120 and stretch into or exit first passage 110, snaps in simultaneously or depart from the spacing hole 210 of adjusting rod 20.When needing the length adjusting expansion link, first pass through rotating drive part 40, the salient point making the second cam surface 410 moves closer to the salient point of the first cam surface 310 of gag lever post 30, make gag lever post 30 to the side shifting away from first passage 110, and progressively disengage the spacing hole 210 of adjusting rod 20 and exit first passage 110, now can adjust adjusting rod 20 and stretch out the length of first passage 110；After adjustment completes, again through rotating drive part 40, make the second cam surface 410 salient point be gradually distance from the salient point of the first cam surface 310, and make the second cam surface 410 gradually with the second cam surface 410 fit, make the gag lever post 30 side shifting to first passage 110, and progress into first passage 110 and snap in the spacing hole 210 of adjusting rod 20, make adjusting rod 20 fix, it is achieved the adjustment of expansion link, and flexible adjustment is simple, it is socketed without multiple adjusting rods 20, alleviates the weight of expansion link, use more convenient.
In the present embodiment, first passage 110 and second channel 120 are arranged vertically.Make gag lever post 30 vertically snap in or depart from the spacing hole 210 of adjusting rod 20, making the cooperation between gag lever post 30 and adjusting rod 20 more stable.Can also adopt according to actual needs between first passage 110 and second channel 120 and be obliquely installed, first passage 110 can also according to actual needs at an internal sheathed guide pin bushing, adjusting rod 20 is socketed in guide pin bushing, the movement of adjusting rod 20 is play the guiding role by guide pin bushing, and the movement making adjusting rod 20 is smoother.
As it is shown in figure 1, shell 10 is provided with the opening 130 connected with second channel 120, actuator 40 is positioned at opening 130.By arranging the opening 130 holding actuator 40 on shell 10, make the more convenient operation of actuator 40, the more reasonable structure of expansion link.
In the present embodiment, actuator 40 is rotating disk, and the periphery of rotating disk is provided with a plurality of raised line (accompanying drawing does not identify) circumferentially.Raised line plays the effect increasing frictional force, and the rotation making rotating disk is more convenient, regulates more stable.Actuator 40 can also be set to other tumblers according to actual needs.
As it is shown in figure 1, expansion link also includes the back-moving spring 50 being positioned at second channel 120 securing member 60 that be connected fixing with second channel 120, back-moving spring 50 one end offsets away from one end of first passage 110 with gag lever post 30, and the other end and securing member 60 offset.Making gag lever post 30 to the side shifting away from first passage 110 by actuator 40, gradually reduce back-moving spring 50, adjusts adjusting rod 20 and stretches out the length of first passage 110；When unclamping actuator 40, under the effect of back-moving spring 50 so that gag lever post 30 is to first passage 110 1 side shifting, after the 210 of adjusting rod 20 aligns with gag lever post 30, gag lever post 30 snaps in 210, makes adjusting rod 20 fix, realizing the adjustment of expansion link, the adjustment making expansion link is more convenient flexibly.
As it is shown in figure 1, securing member 60 is sheathed in second channel 120, securing member 60 periphery is provided with the first screw thread (accompanying drawing does not identify), and the inwall of second channel 120 is provided with the second screw thread (accompanying drawing does not identify) with the first threaded engagement.Securing member 60 and second channel 120 are threaded, it is easily installed and dismantles, and stretch into the length of second channel 120 by securing member 60 and adjust back-moving spring 50 and be positioned at the position of second channel 120, adjust the elastic force to gag lever post 30 after back-moving spring 50 compression, it is simple to installation and debugging.
In the present embodiment, securing member 60 is screw, and screw is threadeded with second channel 120, and securing member 60 can also adopt other connectors according to actual needs, it is also possible to adopt non-removable connected mode to be fixed in second channel 120 according to actual needs.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics is absent from contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, for the person of ordinary skill of the art, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (7)
1. an expansion link, it is characterized in that, including being provided with the shell of first passage and second channel, being positioned at the adjusting rod of described first passage, the gag lever post being positioned at described second channel, the actuator that is socketed on described gag lever post, the periphery of described gag lever post is provided with the first cam surface, described actuator is provided with second cam surface relative with described first cam surface, described second channel connects with described first passage, described adjusting rod is provided with the spacing hole that at least two is axially disposed, described spacing hole and the described gag lever post one end fits near described first passage.
2. expansion link according to claim 1, it is characterized in that, also include the back-moving spring being positioned at described second channel and fix, with described second channel, the securing member being connected, described back-moving spring one end offsets away from one end of described first passage with described gag lever post, and the other end and described securing member offset.
3. expansion link according to claim 2, it is characterised in that described securing member is sheathed in described second channel, described securing member periphery is provided with the first screw thread, and the inwall of described second channel is provided with and the second screw thread of described first threaded engagement.
4. expansion link according to claim 1, it is characterised in that described shell is provided with the opening connected with described second channel, and described actuator is positioned at described opening.
5. expansion link according to claim 4, it is characterised in that described actuator is rotating disk.
6. expansion link according to claim 5, it is characterised in that the periphery of described rotating disk is provided with a plurality of raised line circumferentially.
7. the expansion link according to any one of claim 1 to 6, it is characterised in that described first passage and described second channel are arranged vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521053211.8U CN205371188U (en) | 2015-12-15 | 2015-12-15 | Expansion bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521053211.8U CN205371188U (en) | 2015-12-15 | 2015-12-15 | Expansion bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205371188U true CN205371188U (en) | 2016-07-06 |
Family
ID=56258184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521053211.8U Expired - Fee Related CN205371188U (en) | 2015-12-15 | 2015-12-15 | Expansion bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205371188U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108309537A (en) * | 2018-03-29 | 2018-07-24 | 北京大学第三医院 | A kind of shoulder joint brace and shoulder joint brace production method |
| CN109607053A (en) * | 2019-01-15 | 2019-04-12 | 长春合心机械制造有限公司 | Vehicle dormer window transmission device |
| CN112524368A (en) * | 2020-11-30 | 2021-03-19 | 贵州航天新力科技有限公司 | Universal expansion joint |
-
2015
- 2015-12-15 CN CN201521053211.8U patent/CN205371188U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108309537A (en) * | 2018-03-29 | 2018-07-24 | 北京大学第三医院 | A kind of shoulder joint brace and shoulder joint brace production method |
| CN108309537B (en) * | 2018-03-29 | 2023-07-21 | 北京大学第三医院 | Shoulder joint brace and manufacturing method thereof |
| CN109607053A (en) * | 2019-01-15 | 2019-04-12 | 长春合心机械制造有限公司 | Vehicle dormer window transmission device |
| CN109607053B (en) * | 2019-01-15 | 2024-01-26 | 长春合心机械制造有限公司 | Sunroof conveyer |
| CN112524368A (en) * | 2020-11-30 | 2021-03-19 | 贵州航天新力科技有限公司 | Universal expansion joint |
| CN112524368B (en) * | 2020-11-30 | 2022-07-05 | 贵州航天新力科技有限公司 | Universal expansion joint |
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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: 20160706 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |