CN104141661A - Self-locking type cam ejecting device - Google Patents
Self-locking type cam ejecting device Download PDFInfo
- Publication number
- CN104141661A CN104141661A CN201410367985.1A CN201410367985A CN104141661A CN 104141661 A CN104141661 A CN 104141661A CN 201410367985 A CN201410367985 A CN 201410367985A CN 104141661 A CN104141661 A CN 104141661A
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- China
- Prior art keywords
- cam
- ratchet
- positioning key
- axle
- self
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- 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.)
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Abstract
The invention discloses a self-locking type cam ejecting device. The self-locking type cam ejecting device comprises a shaft, an end cover, a cam, a fixing support, a ratchet wheel, a pawl and a movable support. The shaft is an equal-diameter through shaft, the end of the shaft is provided with an adjusting section, the shaft is provided with a long key groove provided with a first positioning key and a second positioning key, the fixing support, the cam, the movable support, the ratchet wheel and the end cover are installed on the shaft in sequence, the cam is matched with the second positioning key, the ratchet wheel is matched with the first positioning key, the movable support is located in a gap between the first positioning key and the second positioning key, the ratchet wheel is arranged between the end cover and the movable support, the pawl is installed on the end cover, and the end cover is connected with the movable support. After the self-locking type cam ejecting device is installed, a spanner is used for rotating a hexagon prism at the shaft end, adjustment can be achieved when the cam is stressed, additional fixing is not needed after adjustment, positioning is achieved through self-locking of the ratchet wheel and the pawl, the field installing adjusting workload is reduced, secondary adjustment can be carried out under the condition that cam is stressed, and the self-locking type cam ejecting device is very practical.
Description
Technical field
The present invention relates to a kind of tight-push unit, relate in particular to a kind of latching cam tight-push unit of adjustable relative position, belong to field of mechanical technique.
Background technique
Tight-push unit adopts screw structure mostly, by the extending amount of set screw nut rotating threaded shaft adjusting screw, reaches object gapped while installation, that when work holds out against.Again can not self-locking while regulating many, the spiral angle of the number of turns of rotation excessive due to leading screw.Therefore, leading screw is locking need to all add nut in the both sides of fixed end conventionally, and the place application of certain structures compactness is very inconvenient, and some occasion is used eccentric shaft location, but eccentric shaft is difficult to processing, and fabricating cost is higher.
Summary of the invention
Technical problem to be solved by this invention is the deficiency existing for prior art, provide a kind of regulate can self-locking after fixing tight-push unit.
For solving this technical problem, the invention provides a kind of latching cam tight-push unit, comprise axle, end cap, cam, fixed support, ratchet, ratchet and travel(l)ing rest, described axle is equal diameter axis, its end is for regulating section, axle is provided with a long keyway, positioning key I and positioning key II are installed on this long keyway, described fixed support, cam, travel(l)ing rest, ratchet and end cap are arranged on axle successively, described cam coordinates with positioning key II, ratchet coordinates with positioning key I, the gap location of described travel(l)ing rest between positioning key I and positioning key II, described ratchet is between end cap and travel(l)ing rest, ratchet is arranged on end cap, end cap is connected with travel(l)ing rest.
The adjusting section of described shaft end is the imitative nut structure of hexagon prism.
Described ratchet and end cap are integral type structure.
Beneficial effect: the present invention is after latching cam tight-push unit is installed, use the hexagon prism of spanner rotation axle head, cam can be regulated under stressed state, after adjusting completes, do not need fixing in addition, self-locking by ratchet and ratchet realizes location, reduce the workload of site installation test, and can stressed in the situation that, carry out secondary adjusting, very practical.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the assembling schematic diagram of axle of the present invention and positioning key;
Fig. 3 is internal structure schematic diagram of the present invention.
In figure: 1 axle, 2 end caps, 3 cams, 4 fixed supports, 5 ratchets, 6 ratchets, 7 positioning key I, 8 positioning key II, 9 travel(l)ing rests.
Embodiment
Below in conjunction with drawings and Examples, the present invention is specifically described.
Figure 1 shows that structural representation of the present invention.
The present invention includes axle 1, end cap 2, cam 3, fixed support 4, ratchet 5, ratchet 6 and travel(l)ing rest 9, described fixed support 4, cam 3, travel(l)ing rest 9, ratchet 5 and end cap 2 are arranged on axle 1 successively.
Figure 2 shows that the assembling schematic diagram of axle of the present invention and positioning key.
Described axle 1 is equal diameter axis, and its terminal part is for regulating section, and described adjusting section is the imitative nut structure of hexagon prism, available common wrench rotation.
Described axle 1 is provided with a long keyway, and positioning key I7 and positioning key II8 are installed on this long keyway.
Described cam 3 coordinates with positioning key II8, relatively rotating between positioning key II8 restriction cam 3 and axle 1; Ratchet 6 coordinates with positioning key I7, relatively rotating between positioning key I7 restriction ratchet 6 and axle 1.
The gap location of described travel(l)ing rest 9 between positioning key I7 and positioning key II8.
Figure 3 shows that internal structure schematic diagram of the present invention.
Described ratchet 5 is between end cap 2 and travel(l)ing rest 9, and ratchet 6 is arranged on end cap 2, and end cap 2 is connected with travel(l)ing rest 9.
Described ratchet 6 is integral type structure with end cap 2.
Mounting type one of the present invention:
When assembling, positioning key II8 and cam 3 can be first installed in the long keyway of axle 1, at the end of axle 1 mounting and fixing bracket 4, travel(l)ing rest 9 is installed at middle part at axle 1, then positioning key I7 and ratchet 5 is assembled on axle 1, and the end cap 2 that is fixed with ratchet 6 is installed on travel(l)ing rest 9 through axle 1, when installation, be well placed the position of ratchet 6, make ratchet 6 and ratchet 5 positive movements flexible, reversing motion self-locking, completes installation.
Mounting type two of the present invention:
Positioning key II8 and positioning key I7 are first installed on axle 1 and form axle assembly, wherein relatively rotating between positioning key I7 stationary axle 1 and ratchet 6, relatively rotating between positioning key II8 stationary axle 1 and cam 3; Axle assembly is passed to travel(l)ing rest 9 (having the keyway that can make axle assembly pass on the endoporus of travel(l)ing rest 9), make travel(l)ing rest 9 on the gap between positioning key II8 and positioning key I7, thus do not affect axle assembly relative to the rotating of travel(l)ing rest 9; Then the position and the axle assembly that cam 3 are arranged on to positioning key II8 assemble; Again fixed support 4 is installed to the end of axle 1; Finally ratchet 5 and positioning key I7 cooperation are installed on axle assembly, ratchet 6 is fixed to (ratchet 6 also can be structure as a whole with end cap 2) on end cap 2, then end cap 2 is installed to travel(l)ing rest 9, when installation, should be well placed the position of ratchet 6, make ratchet 6 and ratchet 5 positive movements flexible, reversing motion self-locking.
Complete after installation, the edge relative position of support axis and cam 3 is adjustable, by the hexagon prism part of standard spanner revolving part axle 1 terminal part, allow ratchet 5 rotate along forward (non-self-locking direction), after cam 3 is adjusted to the right place, ratchet 6 can, automatically by locked ratchet 5, complete the adjusting to tight-push unit.
Working principle of the present invention: because ratchet 6 and ratchet 5 allow unidirectional movement, so in the time using the hexagon prism of spanner rotatingshaft 1 end, cam 3 and ratchet 5 rotate together with also, each edge of cam 3 is not identical to the distance of camshaft line, the rotation of adjustment cam axle just can adjustment cam edge with respect to the distance between movable bearing support, the surplus regulating is determined by the design of cam 3 as required: when the change in radius amount of cam 3 is a, the regulated quantity of this device is slightly less than a, when fixing, avoid the part of the radiuses such as use, in order to avoid affect the self-locking effect of device when stressed, when being adjusted to behind the position needing, due to ratchet 6 and 5 permission unidirectional movements of ratchet, self-locking in the other direction, even so cam 3 is subject to larger horizontal force, also can not rotate along axle 1, can not change the relative position regulating, because end cap 2 is bolted on travel(l)ing rest 9 one sides, in the time that axle 1 rotates, end cap 2 does not move, ratchet 6 can not relative movement in end cap 2 inner sides, in the time that cam 3 is subject to lateral force, due to the self-locking relation of ratchet 5 and ratchet 6, ratchet 5 can not reversing motion, therefore cam 3 can not rotate, and cam 3 can only relatively rotate in the position regulating, and can not move horizontally.
The place that cam 3 in use uses edge radius to change as far as possible, when the place that uses edge radius to change, because can making cam 3, pressure has from the large active force changing to the little direction of radius of radius, the direction of cam rotation only has one, and when debugging is adjusted to this direction the direction of ratchet 5 and ratchet 6 motion self-lockings, cam 3 can not rotate, and keeps the state regulating, waiting position possibility both direction of radius to have the possibility of motion, therefore cannot keep self-locking state.
The present invention is after latching cam tight-push unit is installed, use the hexagon prism of spanner rotation axle head, cam can be regulated under stressed state, after adjusting completes, do not need fixing in addition, self-locking by ratchet and ratchet realizes location, reduce the workload of site installation test, and can stressed in the situation that, carry out secondary adjusting, very practical.
The above-mentioned embodiment of the present invention, just illustrates, and is not only, and change within the scope of the present invention all or that be equal in scope of the present invention is all surrounded by the present invention.
Claims (3)
1. a latching cam tight-push unit, it is characterized in that: comprise axle (1), end cap (2), cam (3), fixed support (4), ratchet (5), ratchet (6) and travel(l)ing rest (9), described axle (1) is equal diameter axis, its end is for regulating section, axle (1) is provided with a long keyway, positioning key I (7) and positioning key II (8) are installed on this long keyway, described fixed support (4), cam (3), travel(l)ing rest (9), ratchet (5) and end cap (2) are arranged on axle (1) successively, described cam (3) coordinates with positioning key II (8), ratchet (6) coordinates with positioning key I (7), described travel(l)ing rest (9) is positioned at the gap location between positioning key I (7) and positioning key II (8), described ratchet (5) is positioned between end cap (2) and travel(l)ing rest (9), ratchet (6) is arranged on end cap (2), end cap (2) is connected with travel(l)ing rest (9).
2. latching cam tight-push unit according to claim 1, is characterized in that: the adjusting section of described axle (1) end is the imitative nut structure of hexagon prism.
3. latching cam tight-push unit according to claim 1 and 2, is characterized in that: described ratchet (6) is integral type structure with end cap (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410367985.1A CN104141661A (en) | 2014-07-29 | 2014-07-29 | Self-locking type cam ejecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410367985.1A CN104141661A (en) | 2014-07-29 | 2014-07-29 | Self-locking type cam ejecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104141661A true CN104141661A (en) | 2014-11-12 |
Family
ID=51850940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410367985.1A Pending CN104141661A (en) | 2014-07-29 | 2014-07-29 | Self-locking type cam ejecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104141661A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286489A (en) * | 2016-08-08 | 2017-01-04 | 无锡裕力机械有限公司 | The lockable mechanism of canvas top-fastener propping roller |
| CN106348196A (en) * | 2016-11-30 | 2017-01-25 | 江西洪都航空工业集团有限责任公司 | Reverse self-locking mechanism of rotating shaft |
| CN108716502A (en) * | 2018-08-09 | 2018-10-30 | 浙江新远见材料科技股份有限公司 | A kind of ratchet self-locking type combination wood-plastic board |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2103072A (en) * | 1981-07-31 | 1983-02-16 | Henry Dunlop Allan | Holders for thin articles |
| CN87201752U (en) * | 1987-02-06 | 1987-12-26 | 于杰 | Quick connector for scaffolds |
| CN2488644Y (en) * | 2001-07-19 | 2002-05-01 | 华南农业大学 | Fast cam clamping mechanism |
| CN101716063A (en) * | 2009-11-24 | 2010-06-02 | 谢玉林 | Self-locking multi-angle connecting base |
| CN203948393U (en) * | 2014-07-29 | 2014-11-19 | 山东丰汇设备技术有限公司 | Latching cam tight-push unit |
-
2014
- 2014-07-29 CN CN201410367985.1A patent/CN104141661A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2103072A (en) * | 1981-07-31 | 1983-02-16 | Henry Dunlop Allan | Holders for thin articles |
| CN87201752U (en) * | 1987-02-06 | 1987-12-26 | 于杰 | Quick connector for scaffolds |
| CN2488644Y (en) * | 2001-07-19 | 2002-05-01 | 华南农业大学 | Fast cam clamping mechanism |
| CN101716063A (en) * | 2009-11-24 | 2010-06-02 | 谢玉林 | Self-locking multi-angle connecting base |
| CN203948393U (en) * | 2014-07-29 | 2014-11-19 | 山东丰汇设备技术有限公司 | Latching cam tight-push unit |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286489A (en) * | 2016-08-08 | 2017-01-04 | 无锡裕力机械有限公司 | The lockable mechanism of canvas top-fastener propping roller |
| CN106286489B (en) * | 2016-08-08 | 2018-10-02 | 无锡裕力机械有限公司 | The lockable mechanism of canvas top-fastener propping roller |
| CN106348196A (en) * | 2016-11-30 | 2017-01-25 | 江西洪都航空工业集团有限责任公司 | Reverse self-locking mechanism of rotating shaft |
| CN108716502A (en) * | 2018-08-09 | 2018-10-30 | 浙江新远见材料科技股份有限公司 | A kind of ratchet self-locking type combination wood-plastic board |
| CN108716502B (en) * | 2018-08-09 | 2023-08-04 | 浙江新远见材料科技股份有限公司 | Ratchet self-locking type combined wood-plastic plate |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141112 |