CN202100676U - Gear-free movement control structure - Google Patents
Gear-free movement control structure Download PDFInfo
- Publication number
- CN202100676U CN202100676U CN2011202298197U CN201120229819U CN202100676U CN 202100676 U CN202100676 U CN 202100676U CN 2011202298197 U CN2011202298197 U CN 2011202298197U CN 201120229819 U CN201120229819 U CN 201120229819U CN 202100676 U CN202100676 U CN 202100676U
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- slide block
- break
- output
- control structure
- bearing
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Abstract
The utility model relates to a gear-free movement control structure comprising a machine body, an input mechanism, an output mechanism and a turning mechanism. The input mechanism comprises an input screw rod (1), wherein screw threads with different screw pitches are arranged on the input screw rod according to the precision requirement. The input screw rod (1) drives a moving screw (4) to move downwards and pushes two turning slide blocks (13) to move rightward under the function of a slantwise sliding chute (3) in the moving screw (4); one turning slide block (13) pushes an output pull rod (5) to move rightward by a turning hinge pin (2); and the output pull rod (5) drives an output slide block (6) to move rightward along with a hollow shaft (8) under the support of a slide bearing (7). The structure is not provided with a damageable component of gears, so that the gear-free movement control structure can control the displacement in a narrow space.
Description
Technical field
The utility model relates to a kind of displacement regulating mechanism, and particularly a kind of gearless type moves control structure.
Background technique
In existing displacement regulating mechanism, pinion and rack and the worm-and-wheel gear displacement regulating mechanism during generally as the diaxon staggered transmission.Application number is that 200910272251.4 Chinese invention patent application discloses a kind of Worm-gear type regulating mechanism; This mechanism utilizes the big principle of worm gear transmission ratio; The susceptibility that the rack and pinion steering gear adjusting play is accurately controlled amplifies at double; Adjustment used corresponding reducing of external force during worm screw increases the controlled range of tolerance clearance.
Yet owing to receive the restriction on the spatial structure, pinion and rack and worm-and-wheel gear can't be realized the displacement adjustment in all staggered transmission working environments.For example, narrow and small when the space of input end axis and output terminal axes intersect position, be difficult to design and can guarantee that the element mechanical strength can put into the pinion and rack or the worm-and-wheel gear of the confined space again.
Summary of the invention
The purpose of the utility model is to provide a kind of gearless type to move control structure, and it can realize the displacement adjustment in the narrow and small working environment of input end axis and output terminal axes intersect locational space.
The purpose of the utility model realizes through following technological scheme: provide a kind of gearless type to move control structure, it comprises body, input mechanism, side steering and output mechanism.Body comprises support and hollow shaft.Said input mechanism comprises the input screw rod, has different thread according to the required precision setting on the input screw rod.Said output mechanism comprises output pull bar, sliding bearing, output slide block and hollow shaft.Said side steering comprises break-in bearing pin, travelling nut and break-in slide block.Said input screw rod and said travelling nut screw.Said travelling nut is seen as square shape from section, and has oblique chute.Said break-in slide block is embedded in the oblique chute of said travelling nut, constitutes sliding pair with said oblique chute.Said break-in slide block is hinged through an end of break-in bearing pin and said output pull bar.One end of said hollow shaft is fixed on the support through the hollow shaft spring bearing.Said output slide block has pull bar bearing and little end cap.Said small end lid is fixed on the pull bar bearing in the output slide block.The other end of the inner ring of said pull bar bearing and said output pull bar is through excessive matching and fixing, and said output slide block and said hollow shaft constitute sliding pair.Said output pull bar is by means of the support of sliding bearing, and part stretches into said hollow shaft.Said output slide block and said hollow shaft constitute sliding pair.
Preferably, said travelling nut respectively has an oblique chute in its both sides, and has two said break-in slide blocks to be embedded into respectively in said two oblique chutes, and corresponding oblique chute constitutes sliding pair to each break-in slide block with it.Help reducing the wearing and tearing of sliding pair like this, increase the service life.A kind of replacement scheme be said travelling nut within it side only have an oblique chute, and have only a said break-in slide block to be embedded in the oblique chute of said travelling nut, the break-in slide block constitutes sliding pair with oblique chute.Its advantage of this structure is that manufacturing process is simple.
Preferably, the interior circle of the cylindrical of said sliding bearing and said hollow shaft adopts interference fit, and the interior circle of sliding bearing adopts Spielpassung with the output pull bar.
Preferably, said pull bar bearing is selected a pair of radial thrust bearing for use, and its advantage is for not only bearing radial load but also can bearing thrust load, so that improve the connection reliability of axle draw-in bar and axle inner slide.
The gearless type of the utility model moves control structure and compares with existing displacement regulating mechanism, can be narrow and small at input end axis and output terminal axes intersect locational space; Secondly, owing to do not use the fallible component of gear class, reliability and working life all are greatly improved.
Description of drawings
In order to make the utility model be convenient to understand, combine accompanying drawing to describe the most preferred embodiment of the utility model now.
Fig. 1 moves the sectional view of a preferred embodiment of control structure for the gearless type of the utility model.
Fig. 2 moves the front elevational view of travelling nut of the preferred embodiment of control structure for gearless type shown in Figure 1.
Fig. 3 moves the sectional side view of travelling nut of the preferred embodiment of control structure for gearless type shown in Figure 1.
Fig. 4 moves the partial enlarged drawing of the preferred embodiment of control structure for gearless type shown in Figure 1.
Reference character: 1. input screw rod, 2. break-in bearing pin, 3. oblique chute, 4. travelling nut, 5. output pull bar, 6. output slide block, 7. sliding bearing, 8. hollow shaft, 9. pull bar bearing, 10. little end cap, 11. supports, 12. hollow shaft spring bearings, 13. break-in slide blocks.
Embodiment
The word in the description orientation that is hereinafter adopted " on ", D score, " left side ", " right side " etc. all be for the convenience explained based on the orientation shown in the drawing in the accompanying drawing, these orientation maybe be because the disposing way of device and different in actual device.
Below in conjunction with accompanying drawing, the preferred embodiment that the gearless type of the utility model is moved control structure carries out structure to be described.The gearless type that accompanying drawing shows the utility model moves control structure, and support 11 wherein is fixed.Input screw rod 1 screws with travelling nut 4, has different thread according to the required precision setting on the input screw rod 1, and pitch was just little when precision was high, and pitch was just big when precision was low, and travelling nut 4 can only move up and down.Said travelling nut 4 is seen as square shape from section, respectively has an oblique chute 3 in its both sides.Two break-in slide blocks 13 are embedded into respectively in the oblique chute 3 of travelling nut 4, constitute sliding pair with corresponding oblique chute 3 respectively.Break-in slide block 13 is hinged with an end of output pull bar 5 through break-in bearing pin 2.Small end lid 10 is fixed on a pair of pull bar bearing 9 on the output slide block 6.The inner ring of the other end and the pull bar bearing 9 of output pull bar 5 is affixed through excessively cooperating, and then has realized that output slide block 6 can export pull bar 5 rotations relatively, has realized that also 5 drives of output pull bar export slide blocks 6 in hollow shaft 8 inner same moved further.Output pull bar 5 is by means of the support of sliding bearing 7, and part stretches into hollow shaft 8.Output slide block 6 constitutes sliding pair with hollow shaft 8.The interior circle of the cylindrical of sliding bearing 7 and hollow shaft 8 adopts interference fit, and the interior circle of sliding bearing 7 adopts Spielpassung with output pull bar 5.
The gearless type that illustrates the utility model below moves the working procedure of the diagram most preferred embodiment of control structure.Rotate input screw rod 1, make it drive travelling nut 4 and move down, through the tiltedly effect of chutes 3 and then promote two break-in slide blocks 13 and move right in the travelling nut 4; Break-in slide block 13 promotes output pull bar 5 through break-in bearing pin 2 and moves to right; Under the supporting of sliding bearing 7, output pull bar 5 drives output slide block 6 and together moves right along hollow shaft 8.In like manner, counterrotating input screw rod 1, output slide block 6 is moved to the left.
More than combine the most preferred embodiment of the utility model to describe in detail; But this is not to be the restriction to the utility model; Every technical spirit according to the utility model is to any simple modification that above embodiment did; Equivalent variations and modification all still belong to the scope of the utility model technological scheme.
Claims (10)
1. a gearless type moves control structure; It comprises body, input mechanism, side steering and output mechanism; Said body comprises support and hollow shaft, and said input mechanism comprises the input screw rod, has different thread according to the required precision setting on the input screw rod; Said output mechanism comprises output pull bar, sliding bearing, output slide block and hollow shaft, and it is characterized in that: said side steering comprises break-in bearing pin, travelling nut and break-in slide block.
2. gearless type as claimed in claim 1 moves control structure, it is characterized in that: said input screw rod and said travelling nut screw; Said travelling nut is seen as square shape from section, and has oblique chute; Said break-in slide block is embedded in the oblique chute of said travelling nut, constitutes sliding pair with said oblique chute.
3. gearless type as claimed in claim 2 moves control structure, it is characterized in that: said break-in slide block is hinged through an end of break-in bearing pin and said output pull bar; One end of said hollow shaft is fixed on the support through the hollow shaft spring bearing; Said output slide block has pull bar bearing and little end cap; Said small end lid is fixed on the pull bar bearing in the output slide block; The other end of the inner ring of said pull bar bearing and said output pull bar is through excessive matching and fixing, and said output slide block and said hollow shaft constitute sliding pair; Said output pull bar is by means of the support of sliding bearing, and part stretches into said hollow shaft; Said output slide block and said sleeve constitute sliding pair.
4. move control structure like claim 1 or 2 or 3 described gearless type, it is characterized in that: the interior circle of the cylindrical of said sliding bearing and said hollow shaft adopts interference fit, and the interior circle of sliding bearing adopts Spielpassung with the output pull bar.
5. move control structure like claim 1 or 2 or 3 described gearless type, it is characterized in that: said pull bar bearing is selected a pair of radial thrust bearing for use.
6. gearless type as claimed in claim 4 moves control structure, it is characterized in that: said pull bar bearing is selected a pair of radial thrust bearing for use.
7. move control structure like claim 1 or 2 or 3 described gearless type; It is characterized in that: said travelling nut respectively has an oblique chute in its both sides; And have two said break-in slide blocks to be embedded into respectively in said two oblique chutes, corresponding oblique chute constitutes sliding pair to each break-in slide block with it.
8. gearless type as claimed in claim 4 moves control structure; It is characterized in that: said travelling nut respectively has an oblique chute in its both sides; And have two said break-in slide blocks to be embedded into respectively in said two oblique chutes, corresponding oblique chute constitutes sliding pair to each break-in slide block with it.
9. move control structure like claim 1 or 2 or 3 described gearless type; It is characterized in that: said travelling nut side within it only has an oblique chute; And have only a said break-in slide block to be embedded in the oblique chute of said travelling nut, the break-in slide block constitutes sliding pair with oblique chute.
10. gearless type as claimed in claim 4 moves control structure; It is characterized in that: said travelling nut side within it only has an oblique chute; And have only a said break-in slide block to be embedded in the oblique chute of said travelling nut, the break-in slide block constitutes sliding pair with oblique chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202298197U CN202100676U (en) | 2011-07-01 | 2011-07-01 | Gear-free movement control structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202298197U CN202100676U (en) | 2011-07-01 | 2011-07-01 | Gear-free movement control structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202100676U true CN202100676U (en) | 2012-01-04 |
Family
ID=45386690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202298197U Expired - Fee Related CN202100676U (en) | 2011-07-01 | 2011-07-01 | Gear-free movement control structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202100676U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108641893A (en) * | 2018-04-20 | 2018-10-12 | 上海曼森生物科技有限公司 | Culture dish clamping device |
-
2011
- 2011-07-01 CN CN2011202298197U patent/CN202100676U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108641893A (en) * | 2018-04-20 | 2018-10-12 | 上海曼森生物科技有限公司 | Culture dish clamping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20130701 |