CN203730482U - Fixed-point locking and tensioning retractor device - Google Patents
Fixed-point locking and tensioning retractor device Download PDFInfo
- Publication number
- CN203730482U CN203730482U CN201420089315.3U CN201420089315U CN203730482U CN 203730482 U CN203730482 U CN 203730482U CN 201420089315 U CN201420089315 U CN 201420089315U CN 203730482 U CN203730482 U CN 203730482U
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- locking
- fixed point
- guide groove
- outer tube
- projection
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Abstract
The utility model discloses a fixed-point locking and tensioning retractor device. The fixed-point locking and tensioning retractor device comprises an outer tube, an inner tube and a locking and tensioning device, wherein the locking and tensioning device comprises a connecting head and a sliding head; the connecting head is fixedly connected to the inner tube; the sliding head slides in the outer tube and is provided with a lug; a guiding groove which is parallel to a shaft is formed in the inner wall of the outer tube, corresponds to the lug and can guide the lug to slide in the axial direction; one side of the guiding groove which is parallel to the shaft is provided with a guiding groove which is connected with the guiding groove, is perpendicular to the axial direction and can guide the lug to slide in the radial direction; when the lug slides in the guiding groove parallel to the shaft in the axial direction, the fixed-point locking and tensioning retractor device is in a retractable state; and when the lug slides in the guiding groove which is perpendicular to the axial direction in the radial direction, the fixed-point locking and tensioning retractor device is in a locking state. The fixed-point locking and tensioning retractor device with the structure is easy to operate and is labor-saving; and phenomena of loosing, loose locking, jamming and the like are avoided.
Description
Technical field
The utility model relates to telescopic pipe field, is specifically related to the utility model and relates to a kind of fixed point locking locking expansion device.
Background technique
Telescopic pipe is widely used in every field, particularly on the pin pipe of Portable triangular bracket, uses many.Some telescopic pipes that use be at present mainly can be arbitrarily flexible structure, they reach the effect of locking by self-expanding structure, this structure is convenient but can be due to, user is using in operating process, if firmly too small, larger pipe be easy to get loose, not tight, if firmly excessive, can easily there is again deadlock phenomenon in less pipe, thereby too much like hard work when causing unclamping, retracting even cannot unclamp.
Most random shrinking structure is all to provide support by the frictional force between two pipes and accessory in addition, large to the wearing and tearing of accessory like this, affects the working life of equipment.
And for example tripod field, most of time, user only uses the state that completely shrinks or open completely, and structure that can be arbitrarily flexible may exert an influence to user's operating process.
Summary of the invention
The utility model provides a kind of fixed point locking locking expansion device, can address the above problem.
The utility model provides a kind of fixed point locking locking expansion device, comprise outer tube, the inner tube that socket-connects and can move along its axis with described outer tube, and between described outer tube and described inner tube and be fixed on the locking locking device in described inner tube, locking locking device comprises the connecting head in the inner tube described in being fixedly connected on and slides on the slide head in outer tube, slide head is provided with projection, corresponding outer tube wall is provided with the guide groove that is parallel to axle with it, can guide sliding axially of projection, a side that is simultaneously parallel to the guide groove of axle is provided with and is communicated with it and guide groove perpendicular to axial direction, can guide radially sliding of projection, while finally making to slide axially in described projection is being parallel to the guide groove of axle, this fixed point locking stretching device is in Telescoping, and in the time that projection radially slides in guide groove perpendicular to axial direction, this fixed point locking stretching device is in the lock state.
Preferably, all there is corresponding pressure-bearing plane in the upper and lower end of the upper and lower end of described projection and guide groove perpendicular to axial direction.
Preferably, all there is corresponding inclined-plane in the upper and lower end of the upper and lower end of described projection and guide groove perpendicular to axial direction.
Preferably, a spacing plane is set on described projection, this spacing plane is higher than pressure-bearing plane.
Preferably, the connecting head on described locking locking device arranges Yi Suo road, and corresponding lockhole is set in the inner tube that matches with it, and both are connected and fixed by latch.
Preferably, the described guide groove place perpendicular to axle arranges a form penetrating.
Preferably, described outer tube arranges two above guide grooves perpendicular to axle.
Preferably, described outer tube and locking device arrange multipair projection and are parallel to the guide groove of axle.
Preferably, the outer tube lower end of telling is connected with a supporting, and described supporting is an annulus, interconnects by notch and described outer tube.
Technique scheme can be found out, because arranging on outer tube wall, the utility model embodiment is parallel to the guide groove of axle and the guide groove perpendicular to axle, at the slide head of locking locking device, projection is set simultaneously, realize flexiblely with projection being parallel in guide groove to slide, slides in the guide groove perpendicular to axle with projection and realize locking and locks.Such structure operation is simple, leicht fallen D/A, and avoid occurring getting loose, not tight, the phenomenon such as locked, change locking mode into limited support locking by extrusion friction locking by this structure simultaneously, the stability of the device strengthening, thus the wearing and tearing between minimizing parts extend the working life of parts.The fixed point locking using method that realizes by groove exactly is in addition more fixing, simpler, be particularly suitable for tripod field.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the overall structure schematic diagram of fixed point locking locking expansion device in the utility model embodiment;
Fig. 2 be in the utility model embodiment fixed point locking locking expansion device blast structural representation;
Fig. 3 is that figure is spied in the utility model embodiment middle external tube inside;
Fig. 4 locks locking device schematic diagram in the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making all other embodiments that obtain under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment:
The utility model embodiment provides a kind of fixed point locking locking expansion device, as shown in Figures 1 and 2, comprise outer tube 01, the inner tube 02 that socket-connects and can move along its axis with described outer tube 01, and between described outer tube 01 and described inner tube 02 and be fixed on the locking locking device 03 in described inner tube 02, described locking locking device comprises the connecting head 032 being fixedly connected in described inner tube 02 and slides on the slide head 031 in outer tube 01, the slide head 031 of telling is provided with projection 033, outer tube 01 inwall of telling is provided with the guide groove 012 that is parallel to axle, can guide sliding axially of projection 033, one side of the guide groove of telling 012 is provided with and is communicated with it and guide groove 013 perpendicular to axial direction, can guide radially sliding of projection 033,
In the time that described projection 033 slides in guide groove 012, this fixed point locking stretching device is in Telescoping, and in the time that projection 033 slides in guide groove 013, this fixed point locking stretching device is in the lock state.
Concrete, the upper and lower end of the projection 033 described in the utility model embodiment and the upper and lower end of guide groove 013 all arrange corresponding pressure-bearing plane 035,0351, in the time that described fixed point locking locking device is in the lock state, reach axial locking effect by the mutual extruding of two-part plane.
For making not occur rocking after outer tube 01 and inner tube 02 locking, all there is corresponding inclined-plane 034,0341 in the upper and lower end of described projection 033 and the upper and lower end of guide groove 013, in the time that being in the lock state, described fixed point locking locking device reaches axial locking, the effect of locking radial by the mutual extruding on two-part inclined-plane.
For the excessive rotation of locking device after wear prevention, described projection 033 arranges a spacing plane 036, this spacing plane 036 is higher than pressure-bearing plane 035, even locking inclined-plane 034 and pressure-bearing plane 035 excessive wear, spacing plane 036 also can prevent that locking device from excessively rotating.
For the ease of changing locking locking device, the connecting head 032 on described locking locking device 03 arranges Yi Suo road 037, and corresponding lockhole 021 is set in the inner tube that matches with it 02, and both are connected and fixed by latch 04.
For the ease of observing the lock state of outer tube 01 and inner tube 02, described guide groove 013 place arranges a form penetrating 011, in the time that projection 033 enters into guide groove 013, can be known and be seen by this form 011.
In order to meet different flexible state needs, can a guide groove 013 be respectively set at the two ends of outer tube 01, in the time that projection 033 is positioned at upper end guide groove 013, this device is in shrinking locking state, in the time that projection 033 is positioned at lower end guide groove 013, this device is in extending locking state.Can the different guide groove in interval 013 be set in the centre of outer tube 01 as required, meet special elongation needs simultaneously.
More stable when stretching and lock in order making this fixed point lock locking expansion device, can radially be arranged to right guide groove 013 at the sidewall of outer tube 01, match therewith and on slide head, be arranged to right projection 033, thereby can not produce and depart from device telescopic process, after locking, can not produce and rock.
Inner tube 02 is deviate from from outer tube 01 when preventing that this fixed point locking locking expansion device from doing fore and aft motion, can be connected with in outer tube 01 lower end a supporting 06, and described supporting 06 is an annulus, interconnects by notch and described outer tube 01.
The one fixed point locking locking expansion device above the utility model embodiment being provided is described in detail, applied specific case herein principle of the present utility model and mode of execution are set forth, above embodiment's explanation is just for helping to understand core concept of the present utility model; , for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model meanwhile.
Claims (9)
1. a fixed point locking locking expansion device, comprise outer tube (01), the inner tube (02) that socket-connects and can move along its axis with described outer tube (01), and be positioned at the locking locking device (03) in the inner tube (02) between described outer tube (01) and described inner tube (02) and described in being fixed on, it is characterized in that: described locking locking device comprises the connecting head (032) in the inner tube (02) described in being fixedly connected on and slides on the slide head (031) in outer tube (01), the slide head (031) of telling is provided with projection (033), outer tube (01) inwall of telling is provided with the guide groove (012) that is parallel to axle, can guide sliding axially of projection (033), a side of the guide groove of telling (012) be provided with and be communicated with it and guide groove (013) perpendicular to axial direction, can guide radially sliding of projection (033), in the time that described projection (033) slides in guide groove (012), this fixed point locking stretching device is in Telescoping, and in the time that projection (033) slides in guide groove (013), this fixed point locking stretching device is in the lock state.
2. a kind of fixed point locking locking expansion device as claimed in claim 1, it is characterized in that: the upper and lower end of described projection (033) and the upper and lower end of guide groove (013) all exist corresponding pressure-bearing plane (035) (0351), in the time that described fixed point locking locking device is in the lock state, pass through the mutual extruding of two-part plane.
3. a kind of fixed point locking locking expansion device as claimed in claim 2, it is characterized in that: the upper and lower end of described projection (033) and the upper and lower end of guide groove (013) all exist corresponding inclined-plane (034) (0341), in the time that described fixed point locking locking device is in the lock state, pass through the mutual extruding on two-part inclined-plane.
4. a kind of fixed point locking locking expansion device as claimed in claim 1, is characterized in that: described projection (033) arranges a spacing plane (036), and this spacing plane (036) is higher than pressure-bearing plane (035).
5. a kind of fixed point locking locking expansion device as claimed in claim 1, it is characterized in that: the connecting head (032) on the locking locking device (03) of telling arranges Yi Suo road (037), corresponding lockhole (021) is set in the inner tube that matches with it (02), and both are connected and fixed by latch (04).
6. a kind of fixed point locking locking expansion device as claimed in claim 1, is characterized in that: described guide groove (013) form penetrating of arranged outside (011), and for observing the working condition of fixed point locking locking expansion device.
7. a kind of fixed point locking locking expansion device as claimed in claim 1, is characterized in that: described guide groove (013) can arrange more than two, for meeting the needs of different flexible states.
8. a kind of fixed point locking locking expansion device as claimed in claim 1, is characterized in that: described projection (033) and guide groove (013) can arrange multipair, strengthens locking locking effect.
9. a kind of fixed point locking locking expansion device as claimed in claim 1, it is characterized in that: outer tube (01) lower end of telling is connected with a supporting (06), described supporting (06) is an annulus, interconnects by notch and described outer tube (01).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420089315.3U CN203730482U (en) | 2014-02-28 | 2014-02-28 | Fixed-point locking and tensioning retractor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420089315.3U CN203730482U (en) | 2014-02-28 | 2014-02-28 | Fixed-point locking and tensioning retractor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730482U true CN203730482U (en) | 2014-07-23 |
Family
ID=51200560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420089315.3U Expired - Fee Related CN203730482U (en) | 2014-02-28 | 2014-02-28 | Fixed-point locking and tensioning retractor device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203730482U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595310A (en) * | 2015-01-23 | 2015-05-06 | 刘小群 | Telescopic locking device |
| CN106129903A (en) * | 2016-08-31 | 2016-11-16 | 国网山东省电力公司蓬莱市供电公司 | The instrument of mobile energising cable in a kind of power construction |
-
2014
- 2014-02-28 CN CN201420089315.3U patent/CN203730482U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595310A (en) * | 2015-01-23 | 2015-05-06 | 刘小群 | Telescopic locking device |
| CN106129903A (en) * | 2016-08-31 | 2016-11-16 | 国网山东省电力公司蓬莱市供电公司 | The instrument of mobile energising cable in a kind of power construction |
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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: 20140723 Termination date: 20170228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |