CN204369477U - A kind of telescoping mechanism with auto-lock function - Google Patents
A kind of telescoping mechanism with auto-lock function Download PDFInfo
- Publication number
- CN204369477U CN204369477U CN201520000585.7U CN201520000585U CN204369477U CN 204369477 U CN204369477 U CN 204369477U CN 201520000585 U CN201520000585 U CN 201520000585U CN 204369477 U CN204369477 U CN 204369477U
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- Prior art keywords
- stretches out
- left end
- hand member
- gear
- support
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Abstract
A kind of telescoping mechanism with auto-lock function, comprise DC machine, coupler, worm screw, support, left end stretches out item, motion control pipe, worm gear, gear, right-hand member stretches out item, right-hand member stretches out a contiguous block, tooth bar, rack support block, rack support interception block stretches out item with left end and is connected end cap, DC machine is connected with worm screw, worm gear is meshed with worm screw, there is adapter shaft worm gear one end, worm gear opposite side is connected with gear, rack and pinion is meshed, rack support block is had in the middle part of tooth bar, tooth bar left end cover has rack support to tackle block, left end stretches out item and connects end cap and stretch out item with left end and be connected, tooth bar right-hand member stretches out a contiguous block by right-hand member and stretches out item with right-hand member and be connected, motion control pipe box stretches out item at left end, gear and right-hand member stretch out on item.The utility model telescoping mechanism has the function that cuts off self-lock, and therefore can immediately realize telescoping mechanism cut to lengthen, and mechanism delicate structure, precision is high, and therefore range of use is extremely wide.
Description
Technical field
The utility model relates to telescoping mechanism field, particularly relates to a kind of telescoping mechanism with auto-lock function.
Background technology
In engineering, the use of linear telescopic mechanism is very extensive, but current used conventional telescoping mechanism, mainly there is following problem, 1) often structure is too huge for existing telescoping mechanism, thus greatly limit its overall Applicable scope; 2) existing telescoping mechanism precision is often inadequate, and therefore very flexible, is badly in need of a kind of small and exquisite, that high precision, broad-spectrum band cut off self-lock function telescoping mechanism for this reason and substitutes accordingly it.
Utility model content
For above problem, the utility model provides a kind of telescoping mechanism with auto-lock function, this telescoping mechanism has the function that cuts off self-lock, therefore telescoping mechanism cut to lengthen can immediately be realized, and mechanism delicate structure, precision is high, therefore range of use is extremely wide, for reaching this object, the utility model provides a kind of telescoping mechanism with auto-lock function, comprise DC machine, coupler, worm screw, support, left end stretches out item, motion control pipe, worm gear, gear, right-hand member stretches out item, right-hand member stretches out a contiguous block, tooth bar, rack support block, rack support interception block stretches out item with left end and is connected end cap, the rotating shaft of described DC machine is connected by the axle of coupler with worm screw one end, the axle at described worm screw two ends is fixed on below support by the fixed mount of support, groove is had in the middle part of the stay bearing plate of described support, be meshed with worm screw through the groove in the middle part of stent support plate below described worm gear, there is adapter shaft described worm gear one end, described worm gear side is fixed in the hole of the side stand of support side by adapter shaft, described worm gear opposite side is connected with gear, described rack and pinion is meshed, rack support block is had in the middle part of described tooth bar, described tooth bar left end cover has rack support to tackle block, described left end stretches out item and connects end cap in rack support interception block side, described left end stretches out item and connects end cap and stretch out item with left end and be connected, described tooth bar right-hand member stretches out a contiguous block by right-hand member and stretches out item with right-hand member and be connected, described motion control pipe box stretches out item at left end, gear and right-hand member stretch out on item.
As further improvement of the utility model, on the axle at described worm screw two ends, each cover has a worm screw bearing, on described adapter shaft, cover has adapter shaft bearing, described adapter shaft is fixed in the hole of the side stand of support side by adapter shaft bearing, being connected by bearing to greatly reduce corresponding frrction load coefficient.
As further improvement of the utility model, have gland outside the rack support block of described tooth bar and rack support interception block, described gland, in motion control pipe, can prevent telescoping mechanism from misplacing at work by gland.
The utility model provides a kind of telescoping mechanism with auto-lock function, this mechanism's auto-lock function is realized by worm and gear, worm and gear engagement place angle of obliquity is utilized to be less than friction angle to realize self-locking, flexible then realized by rack-and-gear, whole mechanism structure is simple, and easy for installation, processing request is low, and expansion link high precision can be realized control, therefore there are fabulous market outlook.
Accompanying drawing explanation
Fig. 1 is the utility model schematic diagram;
Fig. 2 is the utility model inner structure schematic diagram;
Illustrate:
1, DC machine; 2, coupler; 3, worm screw;
4, worm screw bearing; 5, adapter shaft bearing; 6, adapter shaft;
7, support; 8, left end stretches out item; 9, motion control pipe;
10, worm gear; 11, gear; 12, right-hand member stretches out item;
13, right-hand member stretches out a contiguous block; 14, tooth bar; 15, rack support block;
16, rack support interception block; 17, left end stretches out item connection end cap; 18, gland.
Detailed description of the invention
Below in conjunction with drawings and Examples, utility model is described in detail:
The utility model provides a kind of telescoping mechanism with auto-lock function, and this telescoping mechanism has the function that cuts off self-lock, and therefore can immediately realize telescoping mechanism cut to lengthen, and mechanism delicate structure, precision is high, and therefore range of use is extremely wide.
As a kind of embodiment of the utility model, the utility model provides a kind of telescoping mechanism with auto-lock function, comprise DC machine 1, coupler 2, worm screw 3, support 7, left end stretches out item 8, motion control pipe 9, worm gear 10, gear 11, right-hand member stretches out item 12, right-hand member stretches out a contiguous block 13, tooth bar 14, rack support block 15, rack support interception block 16 stretches out item with left end and is connected end cap 17, the rotating shaft of described DC machine 1 is connected with the axle of worm screw 3 one end by coupler 2, the axle at described worm screw 3 two ends is fixed on below support 7 by the fixed mount of support 7, groove is had in the middle part of the stay bearing plate of described support 7, be meshed with worm screw 3 through the groove in the middle part of support 7 stay bearing plate below described worm gear 10, there is adapter shaft 6 described worm gear 10 one end, described worm gear 10 side is fixed in the hole of the side stand of support 7 side by adapter shaft 6, described worm gear 10 opposite side is connected with gear 11, described tooth bar 14 is meshed with gear 11, rack support block 15 is had in the middle part of described tooth bar 14, described tooth bar 14 left end cover has rack support to tackle block 16, described left end stretches out item and connects end cap 17 in rack support interception block 16 side, described left end stretches out item and connects end cap 17 and stretch out item 8 with left end and be connected, described tooth bar 14 right-hand member stretches out a contiguous block 13 by right-hand member and stretches out item 12 with right-hand member and be connected, described motion control pipe 9 is enclosed within left end and stretches out item 8, gear 11 and right-hand member stretch out on item 12.
As a kind of best specific embodiment of the utility model, the utility model provides a kind of telescoping mechanism with auto-lock function of schematic diagram as shown in Fig. 1 Fig. 2, comprise DC machine 1, coupler 2, worm screw 3, support 7, left end stretches out item 8, motion control pipe 9, worm gear 10, gear 11, right-hand member stretches out item 12, right-hand member stretches out a contiguous block 13, tooth bar 14, rack support block 15, rack support interception block 16 stretches out item with left end and is connected end cap 17, the rotating shaft of described DC machine 1 is connected with the axle of worm screw 3 one end by coupler 2, the axle at described worm screw 3 two ends is fixed on below support 7 by the fixed mount of support 7, on the axle at described worm screw 3 two ends, each cover has a worm screw bearing 4, be connected by bearing and can greatly reduce corresponding frrction load coefficient, groove is had in the middle part of the stay bearing plate of described support 7, be meshed with worm screw 3 through the groove in the middle part of support 7 stay bearing plate below described worm gear 10, there is adapter shaft 6 described worm gear 10 one end, described worm gear 10 side is fixed in the hole of the side stand of support 7 side by adapter shaft 6, on described adapter shaft 6, cover has adapter shaft bearing 5, described adapter shaft 6 is fixed in the hole of the side stand of support 7 side by adapter shaft bearing 5, be connected by bearing and can greatly reduce corresponding frrction load coefficient, described worm gear 10 opposite side is connected with gear 11, described tooth bar 14 is meshed with gear 11, rack support block 15 is had in the middle part of described tooth bar 14, described tooth bar 14 left end cover has rack support to tackle block 16, described left end stretches out item and connects end cap 17 in rack support interception block 16 side, described left end stretches out item and connects end cap 17 and stretch out item 8 with left end and be connected, described tooth bar 14 right-hand member stretches out a contiguous block 13 by right-hand member and stretches out item 12 with right-hand member and be connected, gland 18 is had outside the rack support block 15 of described tooth bar 14 and rack support interception block 16, described gland 18 is in motion control pipe 9, can prevent telescoping mechanism from misplacing at work by gland, described motion control pipe 9 is enclosed within left end and stretches out item 8, gear 11 and right-hand member stretch out on item 12.
The above; it is only preferred embodiment of the present utility model; not restriction the utility model being made to any other form, and any amendment done according to technical spirit of the present utility model or equivalent variations, still belong to the utility model scope required for protection.
Claims (4)
1. the telescoping mechanism with auto-lock function, comprise DC machine (1), coupler (2), worm screw (3), support (7), left end stretches out item (8), motion control pipe (9), worm gear (10), gear (11), right-hand member stretches out item (12), right-hand member stretches out a contiguous block (13), tooth bar (14), rack support block (15), rack support interception block (16) is stretched out item with left end and is connected end cap (17), it is characterized in that: the rotating shaft of described DC machine (1) is connected with the axle of worm screw (3) one end by coupler (2), the axle at described worm screw (3) two ends is fixed on support (7) below by the fixed mount of support (7), groove is had in the middle part of the stay bearing plate of described support (7), described worm gear (10) below is meshed with worm screw (3) through the groove in the middle part of support (7) stay bearing plate, there is adapter shaft (6) described worm gear (10) one end, described worm gear (10) side is fixed in the hole of the side stand of support (7) side by adapter shaft (6), described worm gear (10) opposite side is connected with gear (11), described tooth bar (14) is meshed with gear (11), there is rack support block (15) at described tooth bar (14) middle part, described tooth bar (14) left end cover has rack support to tackle block (16), described left end stretches out item and connects end cap (17) in rack support interception block (16) side, described left end stretches out item and connects end cap (17) and stretch out item (8) with left end and be connected, described tooth bar (14) right-hand member stretches out a contiguous block (13) by right-hand member and stretches out item (12) with right-hand member and be connected, described motion control pipe (9) is enclosed within left end and stretches out item (8), gear (11) and right-hand member stretch out on item (12).
2. a kind of telescoping mechanism with auto-lock function according to claim 1, is characterized in that: on the axle at described worm screw (3) two ends, each cover has a worm screw bearing (4).
3. a kind of telescoping mechanism with auto-lock function according to claim 1, it is characterized in that: the upper cover of described adapter shaft (6) has adapter shaft bearing (5), and described adapter shaft (6) is fixed on by adapter shaft bearing (5) in the hole of the side stand of support (7) side.
4. a kind of telescoping mechanism with auto-lock function according to claim 1, it is characterized in that: have gland (18) outside the rack support block (15) of described tooth bar (14) and rack support interception block (16), described gland (18) is in motion control pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520000585.7U CN204369477U (en) | 2015-01-04 | 2015-01-04 | A kind of telescoping mechanism with auto-lock function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520000585.7U CN204369477U (en) | 2015-01-04 | 2015-01-04 | A kind of telescoping mechanism with auto-lock function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204369477U true CN204369477U (en) | 2015-06-03 |
Family
ID=53325715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520000585.7U Expired - Fee Related CN204369477U (en) | 2015-01-04 | 2015-01-04 | A kind of telescoping mechanism with auto-lock function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204369477U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597303A (en) * | 2018-04-13 | 2018-09-28 | 温州市鹿城区中津先进科技研究院 | A kind of teaching auxiliary system based on big data technology |
| CN110410501A (en) * | 2019-07-30 | 2019-11-05 | 南京兆能节能科技有限公司 | A kind of pre- apparatus for heat sealing and its application method with self-locking function |
-
2015
- 2015-01-04 CN CN201520000585.7U patent/CN204369477U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597303A (en) * | 2018-04-13 | 2018-09-28 | 温州市鹿城区中津先进科技研究院 | A kind of teaching auxiliary system based on big data technology |
| CN110410501A (en) * | 2019-07-30 | 2019-11-05 | 南京兆能节能科技有限公司 | A kind of pre- apparatus for heat sealing and its application method with self-locking function |
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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: 20150603 Termination date: 20180104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |