CN204755803U - Two -way straight -line motion mechanism - Google Patents
Two -way straight -line motion mechanism Download PDFInfo
- Publication number
- CN204755803U CN204755803U CN201520467630.XU CN201520467630U CN204755803U CN 204755803 U CN204755803 U CN 204755803U CN 201520467630 U CN201520467630 U CN 201520467630U CN 204755803 U CN204755803 U CN 204755803U
- Authority
- CN
- China
- Prior art keywords
- pedestal
- transmitted chains
- idle wheel
- rail
- tooth bar
- 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 discloses a two -way straight -line motion mechanism, this mechanism includes extrusome (4), pedestal (1), the chain rack, driving chain (3), the sprocket, left side take -up pulley (2), right side take -up pulley (5), hold in the palm the rail, be provided with straight line track on pedestal (1), extrusome (4) but slidable mounting on the track of pedestal (1), it makes extrusome (4) follow the two -way linear motion of guide rail on pedestal (1) to pull the chain rack of installing on extrusome (4) through driving chain (3).
Description
Technical field
The present invention relates to a kind of straight-line motion mechanism.
Background technique
Existing straight-line motion mechanism mainly contains gear rack motion, screw telescopic mechanism, cylinder, oil cylinder etc., the straight line motion distance of these mechanisms all can not exceed the length of the motions itself such as tooth bar, screw rod or cylinder body, in order to increase move distance, the multistage motion of general employing, but multistage motion motion is discontinuous, complex structure.
Summary of the invention
Technical problem to be solved by this invention is to provide the two-way linear motion that a kind of straight line motion is greater than this body length of mechanism.
Technological scheme of the present invention is: a kind of two-way linear motion, comprise telescopic body, pedestal, chain tooth bar, Transmitted chains, sprocket wheel, left Idle wheel, right Idle wheel, holder rail, left limit block, right limit block, described pedestal is provided with rectilinear orbit, telescopic body is slidably arranged on the track of pedestal, sprocket wheel is arranged on pedestal bottom, left Idle wheel is arranged on the left end of pedestal, right Idle wheel is arranged on the right-hand member of pedestal, Transmitted chains is by chain wheel drive and by left Idle wheel and right Idle wheel tensioning, Transmitted chains tensioning between left Idle wheel and right Idle wheel be in line and with the parallel track be arranged on pedestal, chain tooth bar to be fixedly mounted on telescopic body and to engage with Transmitted chains, holder rail is slidably arranged on telescopic body, holder rail can hold Transmitted chains, prevent Transmitted chains from deviating from from the teeth groove of chain tooth bar, make Transmitted chains and chain tooth bar positive engagement, left limit block is arranged on the left end of pedestal, for holding in the palm the left limit of rail, right limit block is arranged on the right-hand member of pedestal, for holding in the palm the right limit of rail.
The preferred double Transmitted chains of described Transmitted chains.
Two-way linear motion of the present invention is work like this: when telescopic body needs to left movement, chain wheel drive Transmitted chains runs left, Transmitted chains drags the chain tooth bar be arranged on telescopic body makes telescopic body along the straight line motion left of the guide rail on pedestal, under the effect of holder rail, chain tooth bar and Transmitted chains keep engaging until the right-hand member of chain tooth bar move to the top of left Idle wheel, see Fig. 5, be now the limit of telescopic body to left movement; When telescopic body needs to run to the right, chain wheel drive Transmitted chains runs to the right, Transmitted chains drags the chain tooth bar be arranged on telescopic body makes telescopic body along the straight line motion to the right of the guide rail on pedestal, under the effect of holder rail, chain tooth bar and Transmitted chains keep engaging until the left end of chain tooth bar moves to the top of right Idle wheel, see Fig. 6, it is now the limit that telescopic body moves right.
Two-way linear motion of the present invention drags by Transmitted chains the chain tooth bar be arranged on telescopic body makes telescopic body along the guide rail straight line motion on pedestal, telescopic body moves to the top of left Idle wheel to the right-hand member that the limit position of left movement is chain tooth bar, the limit position that telescopic body moves right is the top that the left end of chain tooth bar moves to right Idle wheel, the total move distance of telescopic body be two Idle wheels centre distance with and add the length of chain tooth bar, there is the advantage that move distance is long; In addition, because holder rail is slidably arranged on telescopic body, holder rail is followed Transmitted chains and is together moved between left limit block and right limit block, and there is no relative movement between Transmitted chains, when only having arrival left limit block or right limit block, just there is relative movement between holder rail and Transmitted chains, the wearing and tearing of Transmitted chains can be reduced like this, Transmitted chains also can be made to engage more reliable with chain tooth bar.
Accompanying drawing explanation
Fig. 1 is the structural drawing of a kind of two-way linear motion of the present invention embodiment.
Fig. 2 is the sectional view along A-A line in Fig. 1.
Fig. 3 is the left view of Fig. 1.
Fig. 4 is the sectional view along B-B line in Fig. 3.
Fig. 5 is the schematic diagram that telescopic body moves to limit on the left.
Fig. 6 is the schematic diagram that telescopic body moves to limit on the right-right-hand limit.
In figure, each reference character is: 1, pedestal; 2, left Idle wheel; 3, Transmitted chains; 4, telescopic body; 5, right Idle wheel; 6, chain tooth bar; 7, sprocket wheel; 8, rail is held in the palm; 9, protruding rail; 10, recessed rail; 11, roller; 12, guide groove; 13, left limit block; 14, right limit block.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described, but embodiment is not construed as limiting the invention.
Fig. 1 to Fig. 4 shows the structural drawing of two-way linear motion of the present invention, this mechanism comprises telescopic body 4, pedestal 1, chain tooth bar 6, Transmitted chains 3, sprocket wheel 7, left Idle wheel 2, right Idle wheel 5, holder rail 8, left limit block 13, right limit block 14, the both sides of pedestal 1 are provided with the recessed rail 10 of straight line, telescopic body 4 is slidably arranged on the recessed rail 10 of pedestal by the protruding rail 9 being arranged on both sides, sprocket wheel 7 is arranged on pedestal 1 bottom, left Idle wheel 2 is arranged on the left end of pedestal 1, right Idle wheel 5 is arranged on the right-hand member of pedestal 1, Transmitted chains 3 is double Transmitted chainss, Transmitted chains 3 is driven by sprocket wheel 7 and by left Idle wheel 2 and right Idle wheel 5 tensioning, Transmitted chains 3 tensioning between left Idle wheel 2 and right Idle wheel 5 is in line and parallel with the recessed rail 10 be arranged on pedestal 1, chain tooth bar 6 to be fixedly mounted on telescopic body 4 and to engage with Transmitted chains 3, holder rail 8 both sides are provided with roller 11, holder rail 8 is arranged on by roller 11 on the guide groove 12 of telescopic body 4 both sides, holder rail 8 can hold Transmitted chains 3, prevent Transmitted chains 3 from deviating from from the teeth groove of chain tooth bar 6, make Transmitted chains 3 and chain tooth bar 6 positive engagement, left limit block 13 is arranged on the left end of pedestal 1, for holding in the palm the left limit of rail 8, right limit block 14 is arranged on the right-hand member of pedestal 1, for holding in the palm the right limit of rail 8.
Claims (2)
1. a two-way linear motion, it is characterized in that: described two-way linear motion comprises telescopic body, pedestal, chain tooth bar, Transmitted chains, sprocket wheel, left Idle wheel, right Idle wheel, holder rail, left limit block, right limit block, pedestal is provided with rectilinear orbit, telescopic body is slidably arranged on the track of pedestal, sprocket wheel is arranged on pedestal bottom, left Idle wheel is arranged on the left end of pedestal, right Idle wheel is arranged on the right-hand member of pedestal, Transmitted chains is by chain wheel drive and by left Idle wheel and right Idle wheel tensioning, Transmitted chains tensioning between left Idle wheel and right Idle wheel be in line and with the parallel track be arranged on pedestal, chain tooth bar to be fixedly mounted on telescopic body and to engage with Transmitted chains, holder rail is slidably arranged on telescopic body, holder rail can hold Transmitted chains, prevent Transmitted chains from deviating from from the teeth groove of chain tooth bar, make Transmitted chains and chain tooth bar positive engagement, left limit block is arranged on the left end of pedestal, for holding in the palm the left limit of rail, right limit block is arranged on the right-hand member of pedestal, for holding in the palm the right limit of rail.
2. two-way linear motion according to claim 1, is characterized in that: described Transmitted chains is double Transmitted chains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520467630.XU CN204755803U (en) | 2015-07-03 | 2015-07-03 | Two -way straight -line motion mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520467630.XU CN204755803U (en) | 2015-07-03 | 2015-07-03 | Two -way straight -line motion mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204755803U true CN204755803U (en) | 2015-11-11 |
Family
ID=54470511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520467630.XU Expired - Fee Related CN204755803U (en) | 2015-07-03 | 2015-07-03 | Two -way straight -line motion mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204755803U (en) |
-
2015
- 2015-07-03 CN CN201520467630.XU patent/CN204755803U/en not_active Expired - Fee Related
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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: 20151111 Termination date: 20160703 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |