CN203851421U - Adjustable rake - Google Patents
Adjustable rake Download PDFInfo
- Publication number
- CN203851421U CN203851421U CN201420050844.2U CN201420050844U CN203851421U CN 203851421 U CN203851421 U CN 203851421U CN 201420050844 U CN201420050844 U CN 201420050844U CN 203851421 U CN203851421 U CN 203851421U
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- CN
- China
- Prior art keywords
- chute
- spike
- slide block
- block
- harrow frame
- 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 an adjustable rake, which comprises a rake rod, a rake frame and a plurality of spike teeth, wherein a slide cavity is formed in the rake frame, slider blocks, which have the same number as the spike teeth, are formed in the slide cavity, the spike teeth penetrate through the rake frame and enter the slide cavity, and are fixedly connected to the slider blocks, a first chute for slippage of the spike teeth is formed in the rake frame, the extension direction of the first chute is the same as the length direction of the rake frame, the slider blocks are arranged in the first chute and abut against the first chute, a limiting mechanism used for limiting each slider block is arranged on the sidewall of the slide cavity, a shifting block is arranged on one side, which is away from each spike tooth, of each slider block, one side of each shifting block is fixedly connected to the corresponding slider block, the other opposite side of each shifting block penetrates out of the rake frame, a second chute for slippage of the shifting blocks is formed in the rake frame, the extension direction of the second chute is the same as the extension direction of the first chute, and the first chute and the second chute are communicated with the slide cavity. According to the adjustable rake, the effect of adjusting a backlash is achieved through adjusting the slider blocks.
Description
Technical field
The utility model relates to a kind of agricultural tools, relates in particular a kind of adjustable rake.
Background technology
Rake is a kind of conventional farm implements, and in the process of cultivating in mechanization, rake still can play very important effect.
The quantity of rake is in the market constant, the spacing that causes spike-tooth and spike-tooth is also constant, and on different working the fields, the effect that different nail spike-tooth gaps can play is also different, according to the different rakes of cultivating the different backlash of better off, can make peasant more laborsaving in the process of operation, but if use the rake of fixed qty spike-tooth, must be with the rake of at least two different backlash when work, very inconvenient.
Having notification number is that the patent of CN 202818876U discloses a kind of dismountable rake, in harrow frame, be provided with row's screwed hole, spike-tooth one end is provided with screw thread, so just can be threaded connection spike-tooth and harrow frame are linked together, reach the effect that can adjust backlash, but the rake of this structure is trouble very in the dismounting of spike-tooth and installation not only, and after adjusting backlash, just have the unnecessary spike-tooth removing, because the volume of spike-tooth is little, be easy to lose, cause rake cannot get back to original backlash, inconvenience very.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of adjustable rake easy to adjust.
For achieving the above object, the utility model provides following technical scheme: a kind of adjustable rake, comprise raking arm, harrow frame and several spike-tooths, described raking arm is fixedly connected with harrow frame, described harrow frame is elongated, in described harrow frame, be provided with sliding chamber, in described sliding chamber, be provided with the slide block that quantity equates with spike-tooth quantity, described spike-tooth enters in sliding chamber through harrow frame, and be fixedly connected with slide block, described harrow frame is provided with the first chute for spike-tooth slippage, described the first chute bearing of trend is identical with harrow frame, described slide block is arranged on the first chute and offsets with it, described sliding chamber sidewall is provided with for giving the spacing position-limit mechanism of slide block, described slide block dorsad spike-tooth one side is provided with shifting block, described shifting block one side is fixedly connected with slide block, relative opposite side passes harrow frame, described harrow frame is provided with the second chute for shifting block slippage, described the second chute bearing of trend is identical with the first chute.
By adopting technique scheme, when needs regulate spike-tooth backlash, only need to stir shifting block with pin, owing to being provided with sliding chamber in harrow frame, in sliding chamber, be provided with the slide block that quantity equates with spike-tooth quantity, spike-tooth enters in sliding chamber through harrow frame, and be fixedly connected with slide block, harrow frame is provided with the first chute for spike-tooth slippage, the first chute bearing of trend is identical with harrow frame, slide block is arranged on the first chute and offsets with it, sliding chamber sidewall is provided with for to the spacing position-limit mechanism of slide block, slide block dorsad spike-tooth one side is provided with shifting block, shifting block one side is fixedly connected with slide block, relative opposite side passes harrow frame, harrow frame is provided with the second chute for shifting block slippage, the second chute bearing of trend is identical with the first chute, when stirring shifting block, shifting block will be with movable slider slippage in sliding chamber, slide block will drive spike-tooth slippage on the first chute, after slippage, position-limit mechanism can be fixed slide block, anti-limited slip block carries out slippage again, so just can stir specific shifting block by pin and adjust the backlash between spike-tooth, this structure can well reach the effect that regulates spike-tooth backlash, and only need to stir shifting block with pin in the process regulating, convenience very, the problem that also there will not be spike-tooth to lose.
The utility model is further set to: described position-limit mechanism comprises stopper slot and limited block, and described stopper slot is arranged on the wall of chamber, sliding chamber, and described limited block is connected with slide block elasticity, and described stopper slot is connected with limited block slippage.
By adopting technique scheme, when slide block is in some positions time, because limited location piece will stick into stopper slot, so just can effectively prevent that the problem of variation from appearring in the spike-tooth backlash regulating like this.
The utility model is further set to: in described slide block, be provided with cavity, described slide block relative limit piece one side is provided with the through hole passing for limited block, and described cavity is communicated with through hole, in described cavity, is provided with spring, and described both ends of the spring is all inconsistent with limited block.
By adopting technique scheme, so just can withstand limited block by spring, make limited block can well be stuck in stopper slot, and because spring has elasticity, so when people need to regulate backlash again, spring will be compressed, make limited block slip into slide block, limited block just can not block stopper slot like this, and slide block just can move, and reaches the effect again regulating.
The utility model is further set to: described limited block relative limit groove one side is provided with arc surface.
By adopting technique scheme, the setting of arc surface, can seem more round and smooth, the phenomenon that there will not be card to pause by coordinating between limited block and stopper slot.
The utility model is further set to: described raking arm and harrow frame are integrated casting and form.
By adopting technique scheme, in making the process of raking arm and harrow frame, only need to carry out corresponding mould and directly pour into a mould and form, convenience very like this.
Accompanying drawing explanation
Fig. 1 is the overall structure figure of adjustable rake of the present utility model;
Fig. 2 is the cut-away view of slide block in Fig. 1;
Fig. 3 is the enlarged drawing of a-quadrant in Fig. 1.
In figure: 1, raking arm; 2, harrow frame; 21, slide chamber; 211, slide block; 2111, cavity; 2112, through hole; 2113, shifting block; 212, position-limit mechanism; 2121, stopper slot; 2122, limited block; 22, the first chute; 23, the second chute; 3, spike-tooth; 4, spring.
Embodiment
Shown in Fig. 2, a kind of adjustable rake of the present embodiment, comprise raking arm 1, harrow frame 2 and several spike-tooths 3, described raking arm 1 is fixedly connected with harrow frame 2, described harrow frame 2 is elongated, in described harrow frame 2, be provided with sliding chamber 21, in described sliding chamber 21, be provided with the slide block 211 that quantity equates with spike-tooth 3 quantity, described spike-tooth 3 enters in sliding chamber 21 through harrow frame 2, and be fixedly connected with slide block 211, described harrow frame 2 is provided with the first chute 22 for spike-tooth 3 slippages, the bearing of trend of described the first chute 22 is identical with harrow frame 2, described slide block 211 is arranged on the first chute 22 and offsets with it, described sliding chamber 21 sidewalls are provided with for giving the spacing position-limit mechanism 212 of slide block 211, described slide block 211 dorsad spike-tooth 3 one sides is provided with shifting block 2113, described shifting block 2113 is fixedly connected with slide block 211, described shifting block 2113 passes harrow frame 2, described harrow frame 2 is provided with the second chute 23 for shifting block 2113 slippages, the bearing of trend of described the second chute is identical with the first chute 22.
By adopting technique scheme, when needs regulate spike-tooth 3 backlash, only need to stir shifting block 2113 with pin, owing to being provided with sliding chamber 21 in harrow frame 2, in sliding chamber 21, be provided with the slide block 211 that quantity equates with spike-tooth 3 quantity, spike-tooth 3 enters in sliding chamber 21 through harrow frame 2, and be fixedly connected with slide block 211, harrow frame 2 is provided with the first chute 22 for spike-tooth 3 slippages, the bearing of trend of the first chute 22 is identical with harrow frame 2, slide block 211 is arranged on the first chute 22 and offsets with it, sliding chamber 21 sidewalls are provided with for to the spacing position-limit mechanism 212 of slide block 211, slide block 211 dorsad spike-tooth 3 one sides is provided with shifting block 2113, shifting block 2113 is fixedly connected with slide block 211, shifting block 2113 passes harrow frame 2, harrow frame 2 is provided with the second chute 23 for shifting block 2113 slippages, the bearing of trend of the second chute is identical with the first chute 22, when stirring shifting block 2113, shifting block 2113 will be with movable slider 211 in the sliding interior slippage in chamber 21, slide block 211 will drive spike-tooth 3 slippage on the first chute 22, after slippage, position-limit mechanism 212 can be fixed slide block 211, anti-limited slip block 211 carries out slippage again, so just can stir specific shifting block 2113 by pin and adjust the backlash between spike-tooth 3, this structure can well reach the effect that regulates spike-tooth 3 backlash, and only need to stir shifting block 2113 with pin in the process regulating, convenience very, the problem that also there will not be spike-tooth 3 to lose.
Described position-limit mechanism 212 comprises stopper slot 2121 and limited block 2122, and described stopper slot 2121 is arranged on the 21 chamber walls of sliding chamber, and described limited block 2122 is connected with slide block 211 elasticity, and described stopper slot 2121 is suitable with limited block 2122.
By adopting technique scheme, when slide block 211 is in some positions time, because limited location piece 2122 will stick into stopper slot 2121, so just can effectively prevent that the problem of variations from appearring in spike-tooth 3 backlash that regulate like this.
In described slide block 211, be provided with cavity 2111, described slide block 211 relative limit piece 2,122 one sides are provided with the through hole 2112 passing for limited block 2122, described cavity 2111 is communicated with through hole 2112, is provided with for the spring 4 inconsistent with limited block 2122 in described cavity 2111.
By adopting technique scheme, so just can withstand limited block 2122 by spring 4, make limited block 2122 can well be stuck in 2121 li of stopper slots, and because spring 4 has elasticity, so when people need to regulate backlash again, spring 4 will be compressed, make limited block 2122 slip into slide block 211, limited block 2122 just can not block stopper slot 2121 like this, and slide block 211 just can move, and reaches the effect again regulating.
Described limited block 2122 relative limit groove 2,121 one sides are provided with arc surface.
By adopting technique scheme, the setting of arc surface, can seem more round and smooth, the phenomenon that there will not be card to pause by coordinating between limited block 2122 and stopper slot 2121.
Described raking arm 1 is integrated casting with harrow frame 2 and forms.
By adopting technique scheme, in making the process of raking arm 1 and harrow frame 2, only need to carry out the direct cast of corresponding mould and form, convenience very like this.
The utlity model has following advantage: when needs regulate spike-tooth 3 backlash, only need to stir shifting block by pin, shifting block can be with movable slider 211 slippages, slide block 211 will drive spike-tooth 3 to move, reach the effect that regulates spike-tooth 3 backlash, position-limit mechanism 212 meetings simultaneously be carried out spacing to slide block 211, prevent that the backlash having mixed up from changing again, when needs regulate spike-tooth 3 backlash, only need to stir shifting block 2113 with pin, owing to being provided with sliding chamber 21 in harrow frame 2, in sliding chamber 21, be provided with the slide block 211 that quantity equates with spike-tooth 3 quantity, spike-tooth 3 enters in sliding chamber 21 through harrow frame 2, and be fixedly connected with slide block 211, harrow frame 2 is provided with the first chute 22 for spike-tooth 3 slippages, the bearing of trend of the first chute 22 is identical with harrow frame 2, slide block 211 is arranged on the first chute 22 and offsets with it, sliding chamber 21 sidewalls are provided with for to the spacing position-limit mechanism 212 of slide block 211, slide block 211 dorsad spike-tooth 3 one sides is provided with shifting block 2113, shifting block 2113 is fixedly connected with slide block 211, shifting block 2113 passes harrow frame 2, harrow frame 2 is provided with the second chute 23 for shifting block 2113 slippages, the bearing of trend of the second chute is identical with the first chute 22, when stirring shifting block 2113, shifting block 2113 will be with movable slider 211 in the sliding interior slippage in chamber 21, slide block 211 will drive spike-tooth 3 slippage on the first chute 22, after slippage, position-limit mechanism 212 can be fixed slide block 211, anti-limited slip block 211 carries out slippage again, so just can stir specific shifting block 2113 by pin and adjust the backlash between spike-tooth 3, this structure can well reach the effect that regulates spike-tooth 3 backlash, and only need to stir shifting block 2113 with pin in the process regulating, convenience very, the problem that also there will not be spike-tooth 3 to lose.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. an adjustable rake, comprise raking arm, harrow frame and several spike-tooths, described raking arm is fixedly connected with harrow frame, described harrow frame is elongated, it is characterized in that: in described harrow frame, be provided with sliding chamber, in described sliding chamber, be provided with the slide block that quantity equates with spike-tooth quantity, described spike-tooth enters in sliding chamber through harrow frame, and be fixedly connected with slide block, described harrow frame is provided with the first chute for spike-tooth slippage, described the first chute bearing of trend is identical with harrow frame length direction, described slide block is arranged on the first chute and offsets with it, described sliding chamber sidewall is provided with for giving the spacing position-limit mechanism of slide block, described position-limit mechanism comprises stopper slot and limited block, described limited block relative limit groove one side is provided with arc surface, described slide block dorsad spike-tooth one side is provided with shifting block, described shifting block one side is fixedly connected with slide block, relative opposite side passes harrow frame, described harrow frame is provided with the second chute for shifting block slippage, described the second chute bearing of trend is identical with the first chute time delay direction, described the first chute and the second chute are all communicated with sliding chamber.
2. adjustable rake according to claim 1, is characterized in that: described stopper slot is arranged on the wall of chamber, sliding chamber, and described limited block is connected with slide block elasticity, and described stopper slot is connected with limited block slippage.
3. adjustable rake according to claim 2, it is characterized in that: in described slide block, be provided with cavity, described slide block relative limit piece one side is provided with the through hole passing for limited block, and described cavity is communicated with through hole, in described cavity, be provided with spring, described both ends of the spring is all inconsistent with limited block.
4. according to the adjustable rake described in claim 1 or 2 or 3, it is characterized in that: described raking arm and harrow frame are integrated casting and form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420050844.2U CN203851421U (en) | 2014-01-26 | 2014-01-26 | Adjustable rake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420050844.2U CN203851421U (en) | 2014-01-26 | 2014-01-26 | Adjustable rake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203851421U true CN203851421U (en) | 2014-10-01 |
Family
ID=51601310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420050844.2U Expired - Fee Related CN203851421U (en) | 2014-01-26 | 2014-01-26 | Adjustable rake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203851421U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107347263A (en) * | 2017-07-06 | 2017-11-17 | 广西驰胜农业科技有限公司 | A kind of adjustable rake |
-
2014
- 2014-01-26 CN CN201420050844.2U patent/CN203851421U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107347263A (en) * | 2017-07-06 | 2017-11-17 | 广西驰胜农业科技有限公司 | A kind of adjustable rake |
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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: 20141001 Termination date: 20170126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |