CN205025886U - Multistage telescopic tube device - Google Patents
Multistage telescopic tube device Download PDFInfo
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- CN205025886U CN205025886U CN201520498578.4U CN201520498578U CN205025886U CN 205025886 U CN205025886 U CN 205025886U CN 201520498578 U CN201520498578 U CN 201520498578U CN 205025886 U CN205025886 U CN 205025886U
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Abstract
The utility model discloses a multistage telescopic tube device, including outer tube, more than one set inner tube, many lamellas form buckle subassembly, location spring, many lamellas form piston ring spring, open the guide arm and release the button, flexible the releasing the button of control sleeve pipe is installed to the outer tube bottom, the guide arm setting of opening be connected with releasing the button in the outer tube, inner tube assembly install many lamellas form buckle subassembly, location spring and many lamellas form piston ring spring including, in the outer tube of socle end in the outer tube, many lamellas forms buckle subassembly more than by two lamellas the cyclic annular array of buckle piece constitute, buckle piece top is buckle toper arm, there is a spacing arch of buckle in the middle part of the buckle piece outside, has a buckle locking projection in the buckle piece afterbody outside, and there are location spring clamp slot and a piston ring spring clamp slot in buckle piece inboard, the location spring mounting in the location in the spring clamp slot, many lamellas forms piston ring spring mounting in piston ring spring clamp slot.
Description
Technical field
The utility model relates to mechanical connection field, particularly, relates to a kind of Multi-section telescopic casing bit.
Background technique
Multi-section telescopic sleeve pipe is used for a variety of occasion needing more piece to extend and shorten, such as multi-joint telescoping baton, multisection hydraulic or air pressure lifting device etc.Locking after needing more piece sleeve pipe to extend in most cases, to provide corresponding function.Such as three joint batons realize the function that three joints are fixed to realize can be used for hitting after needing three joint sleeve pipes to launch completely.The locking method of current more piece sleeve pipe common are following several: run through snap formula, and when having an elasticity snap locking, snap runs through the outer wall of two sleeve pipes, as umbrella in application; Coning sleeve tubular type, inner and outer tubes have certain tapering, and during elongation, inner and outer pipes relies on the friction of two conical surfaces between outer tube wall and outer wall of inner tube to form locking; Inner seizing type, namely after two pipes launch, adjacent side inwall is slotted respectively, then by buckle respectively card entry slot, realizes the relatively fixing of two pipes.At some special occasions, in such as multi-joint telescoping baton, in order to keep the mechanical strength of two pipes, the mode running through perforate can not be adopted to lock; For the ease of locking and withdrawal, the method for conicity locking is also not too applicable.
Current existing retractable spontoon mostly is tapering lock baton, relies on the frictional force of metalwork and links together, under normal circumstances, knocked and can reclaim in the vertical direction by rod head to rod tail between telescopic rod body.When opening, by the strength of wrist, or start to shoot by forearm strap, the direction motion that rod can be brandished smoothly under effect of inertia, and stop at the pitch chain place of connecing by conical surface friction resistance and lock.But this locking method exists many defects, when first opening, the strength of getting rid of is not easily excessive, and for the moment firmly, may cause allowing rod lock tension, impact is reclaimed.Secondly, when in use encountering the person or hard object, easily there is the automatic retracted between rod body, affect using effect.Therefore inner snap lock mode is adopted by contemporary senior baton.
Model utility content
Technical problem to be solved in the utility model is to provide a kind ofly does not need on pipe, beat penetration hole, do not need to adopt the friction lock between taper tube, locking reliable and slide smooth and easy, resistance is little, the short therefore reliability of the guide rod length for regaining is high.Can be used for the Multi-section telescopic casing bit of the multiple occasions such as more piece self-locking baton, mechanical-stretching strut.
The technical scheme in the invention for solving the above technical problem is: a kind of Multi-section telescopic casing bit, comprise outer tube, a set of above interior pipe, many flaps snap component, retaining spring, many flaps piston ring spring, open guide rod and release the button, described outer tube bottom is provided with and controls releasing the button of telescopic extension, described unlatching guide rod arranges and is connected with releasing the button within the outer tube, described interior pipe assembling within the outer tube, in the outer tube of interior pipe bottom, many flaps snap component is installed, retaining spring and many flaps piston ring spring, described many flaps snap component is made up of two lobes above buckle block annular array, described buckle block top is buckle tapered arm, buckle spacing preiection is had outside the intermediate portion of described buckle block, there is snap lock protruding at buckle block lateral tail, retaining spring draw-in groove and piston ring spring card slot is had inside buckle block, described retaining spring is arranged in retaining spring draw-in groove, described many flaps piston ring spring fitting is in piston ring spring card slot.
Further, described telescopic tube device has pipe in more than two covers, in two covers matched, pipe joint is provided with many flaps snap component, retaining spring and many flaps piston ring spring, described many flaps snap component is made up of two lobes above buckle block annular array, buckle spacing preiection is had outside the intermediate portion of described buckle block, there is snap lock protruding at buckle block lateral tail, retaining spring draw-in groove and piston ring spring card slot is had inside buckle block, described retaining spring is arranged in retaining spring draw-in groove, described many flaps piston ring spring fitting is in piston ring spring card slot.
Further, described many flaps snap component surrounds hollow article by buckle block, and the hollow article that described buckle tapered arm surrounds is cone-shaped, and its underpart is cylindric.
Further, described unlatching guide rod is followed successively by guide rod addendum cone portion of opening from the top down, opens the thick portion of guide rod, opens the thin portion of guide rod and opens guide rod afterbody screw rod, described unlatching guide rod afterbody screw rod is threaded with releasing the button, when pipe box elongation state, open guide rod addendum cone portion and open the thick portion of guide rod and place in hollow article.
Further, described outer tube bottom is provided with the Compress Spring and pressure ring of releasing the button that realizing releases the button moves up and down.
Further, the outer wall often overlapping described interior pipe bottom is provided with successively outer wall of inner tube restraining groove and outer wall of inner tube collimation groove, the inwall often overlapping described interior pipe bottom is provided with interior pipe clamp groove and interior pipe clamp button restraining groove successively, often overlap described interior pipe top inwall and be provided with inner tube wall collimation groove, inner tube wall restraining groove and inner tube wall draw-in groove successively, be provided with the outer wall of inner tube limited ring preventing interior pipe from extracting out in described outer wall of inner tube restraining groove, in described outer wall of inner tube collimation groove, be provided with the outer wall of inner tube collimation ring of collimation and concentricity in pipe sliding process in ensureing; When casing shrink state, described interior pipe clamp groove is protruding in order to the snap lock of kayser buckle block; Described interior pipe clamp button restraining groove matches with the buckle spacing preiection of buckle block and clamps.
Further, described outer tube upper end inwall is disposed with outer tube wall collimation groove, outer tube wall restraining groove and outer tube wall draw-in groove, the outer tube wall collimation ring of collimation and concentricity in pipe sliding process in ensureing is installed in described outer tube wall collimation groove, is provided with in described outer tube wall restraining groove and prevents interior pipe from extracting out and outer tube wall limited ring matching used with outer wall of inner tube limited ring; When pipe box elongation state, described outer tube wall draw-in groove phase snap lock protruding with the snap lock of buckle block.
Further, described outer tube bottom inwall is provided with outer tube draw-in groove, and when casing shrink state, the snap lock projection of described buckle block latches in outer tube draw-in groove.
Further, described outer tube and interior pipe are round sleeve pipe or square sleeve pipe.
Further, the limit number of described many flaps piston ring spring is identical with the buckle block number of many flaps snap component.
To sum up, the beneficial effects of the utility model are: by special-shaped snap lock between sleeve pipe, in addition do not have other active forces between tube and tube.Therefore very reliable after locking, can not because body be horizontal or longitudinal stressed and rebound phenomenon occurs.Secondly, unlocking that to regain be release the button and having travelled forward of guide rod by pressing, reclaiming convenient, reliable.Finally, sleeve pipe connects locking place and does not run through through hole, ensure that the intensity of body.
Accompanying drawing explanation
Fig. 1 is a kind of schematic appearance of Multi-section telescopic casing bit;
Fig. 2 a is the profile of pipe in a kind of Multi-section telescopic casing bit;
Fig. 2 b is the sectional view of pipe in a kind of Multi-section telescopic casing bit;
Fig. 3 a is a kind of profile of Multi-section telescopic casing bit outer tube;
Fig. 3 b is a kind of sectional view of Multi-section telescopic casing bit outer tube;
Fig. 4 is a kind of structural representation of Multi-section telescopic casing bit buckle block;
Fig. 5 is the structural representation that a kind of Multi-section telescopic casing bit opens guide rod;
Fig. 6 is the structural representation of many flaps piston ring spring;
Fig. 7 is the connection sectional view and the partial enlarged drawing that extend locking state;
A kind of Multi-section telescopic casing bit three of Fig. 8 saves sleeve pipe and extends locking state;
A kind of Multi-section telescopic casing bit three of Fig. 9 saves cover pipe-in-pipe retracted state;
A kind of Multi-section telescopic casing bit three of Figure 10 saves pipe retracted state in sleeve pipe.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but mode of execution of the present utility model is not limited thereto.
Embodiment 1
A kind of Multi-section telescopic casing bit as shown in figs. 1-7, comprise outer tube 1, a set of interior pipe 2, many flaps snap component 3, retaining spring 4, many flaps piston ring spring 5, open guide rod 6 and release the button 7, outer tube 1 bottom be provided with control telescopic extension release the button 7, described unlatching guide rod 7 is arranged in outer tube 1 and 7 is connected with releasing the button, described interior pipe 2 is assemblied in outer tube 1, in the outer tube 1 of interior pipe 2 bottom, many flaps snap component 3 is installed, retaining spring 4 and many flaps piston ring spring 5, described many flaps snap component 3 is made up of two lobes above buckle block 8 annular array, described buckle block 8 top is buckle tapered arm 35, buckle spacing preiection 9 is had outside the intermediate portion of described buckle block 8, snap lock projection 10 is had at buckle block 8 lateral tail, retaining spring draw-in groove 11 and piston ring spring card slot 12 is had inside buckle block 8, described retaining spring 4 is arranged in retaining spring draw-in groove 11, described many flaps piston ring spring 5 is arranged in piston ring spring card slot 12.
Many flaps snap component 3 surrounds hollow article 17 by buckle block 8, and described hollow article upper taper shape, its underpart is cylindric.
Shown in Fig. 5, open guide rod 6 to be followed successively by guide rod addendum cone portion 13 of opening from the top down, to open the thick portion of guide rod 14, to open the thin portion 15 of guide rod and to open guide rod afterbody screw rod 16, described unlatching guide rod afterbody screw rod 16 7 to be threaded with releasing the button, when pipe box elongation state, open guide rod addendum cone portion 13 and open the thick portion 14 of guide rod and place in hollow article 17.
As shown in Figure 7, outer tube 1 bottom is provided with and realizes release the button 7 Compress Springs moved up and down 18 and pressure ring 19 of releasing the button.
As illustrated in figures 2 a-2b, the outer wall often overlapping described interior pipe 2 bottom is provided with successively outer wall of inner tube restraining groove 20 and outer wall of inner tube collimation groove 21, the inwall often overlapping described interior pipe 2 bottom is provided with interior pipe clamp groove 22 and interior pipe clamp button restraining groove 23 successively, be provided with the outer wall of inner tube limited ring 24 preventing interior pipe 2 from extracting out in described outer wall of inner tube restraining groove 20, in described outer wall of inner tube collimation groove 21, be provided with the outer wall of inner tube collimation ring 25 of collimation and concentricity in pipe 2 sliding process in ensureing; When casing shrink state, described interior pipe clamp groove 22 is in order to the snap lock projection 10 of kayser buckle block 8; Described interior pipe clamp button restraining groove 23 matches with the buckle spacing preiection 9 of buckle block 8 and clamps.
As shown in Figure 3 a-3b, outer tube 1 upper end inwall is disposed with outer tube wall collimation groove 26, outer tube wall restraining groove 27 and outer tube wall draw-in groove 28, the outer tube wall collimation ring 29 of collimation and concentricity in pipe sliding process in ensureing is installed in described outer tube wall collimation groove 26, is provided with in described outer tube wall restraining groove 27 and prevents interior pipe 2 from extracting out and outer tube wall limited ring 30 matching used with outer wall of inner tube limited ring 24; When pipe box elongation state, described outer tube wall draw-in groove 28 10 phase snap lock protruding with the snap lock of buckle block 8.
Outer tube 1 bottom inwall is provided with outer tube draw-in groove 31, and when casing shrink state, the snap lock projection 10 of described buckle block 8 latches in outer tube draw-in groove 31.The limit number of many flaps piston ring spring 5 is identical with buckle block 8 number of many flaps snap component 3.
The implementation of the locking method of the Multi-section telescopic sleeve pipe that the utility model provides comprises: locking implementation method and dislock method.Locking implementation method is: realize interior pipe 2 by the protruding 10 embedding outer tube wall draw-in grooves 28 of the snap lock of many flaps snap component 3 and be connected with the locking between outer tube 1.After locking, outer wall of inner tube limited ring 24 contacts spacing with outer tube wall limited ring 30, and in stoping, pipe 2 travels forward; Outer wall of inner tube limited ring 24 is close to outer tube 1 inwall, and outer tube wall collimation ring 29 is close to interior pipe 2 outer wall, the collimation, with one heart of pipe 2, outer tube 1 in ensureing.Dislock method is: under locking state as shown in Figure 8,7 are released the button by pressing, extruding Compress Spring 18 makes unlatching guide rod 6 travel forward, make unlatching guide rod addendum cone portion 13 insert many flaps snap component 3 to surround hollow article 17 by buckle block 8 and outwards move, finally make snap lock projection 10 depart from from outer tube wall draw-in groove 28, thus in realizing, the disengaging of pipe 2 and outer tube 1 unlock.Now, interior pipe 2 under the effect of longitudinal external force, interior pipe 2 together with many flaps snap component 3 of interior pipe 2 lower end, retaining spring 4 and many flaps piston ring spring 5 successively by open guide rod 7 unlatching guide rod addendum cone portion 13, open the thick portion of guide rod 14 and open the bottom that the thin portion 15 of guide rod moves to outer tube 1; Meanwhile, the snap lock protruding 10 of many flaps snap component 3 embeds in outer tube draw-in groove 31, completes the withdrawal of middle pipe, arrives the state shown in Fig. 9.
When sleeve pipe will be extended, 7 are released the button by pressing, extruding Compress Spring 18 makes unlatching guide rod 6 travel forward, and makes unlatching guide rod afterbody screw rod 16 insert many flaps snap component 3 and surrounds hollow article 17 by buckle block 8 and outwards move, and finally makes snap lock projection 10 depart from from outer tube draw-in groove 31 and extracts out.
Embodiment 2
A kind of Multi-section telescopic casing bit as Figure 1-10 shows, on the basis of embodiment 1, telescopic tube device has pipe 2 in two covers, in two covers, pipe 2 joint is provided with many flaps snap component 3, retaining spring 4 and many flaps piston ring spring 5, described many flaps snap component 3 is made up of two lobes above buckle block 8 annular array, buckle spacing preiection 9 is had outside the intermediate portion of described buckle block 8, snap lock projection 10 is had at buckle block 8 lateral tail, retaining spring draw-in groove 11 and piston ring spring card slot 12 is had inside buckle block 8, described retaining spring 4 is arranged in retaining spring draw-in groove 11, described many flaps piston ring spring 5 is arranged in piston ring spring card slot 12.
On the basis that embodiment 1 shrinks, when there being pipe 2 in two covers, in second internal tube shrinks to first during pipe, again press and release the button 7, extruding Compress Spring 18 makes unlatching guide rod 6 travel forward, make unlatching guide rod addendum cone portion 13 insert many flaps snap component 3 to surround hollow article 17 by buckle block 8 and outwards move, finally make snap lock projection 10 depart from from inner tube wall draw-in groove 34, thus realize pipe in second and unlock from the disengaging of pipe in first.Now, interior pipe 2 under the effect of longitudinal external force, in second pipe together with many flaps snap component 3 of pipe lower end in second, retaining spring 4 and many flaps piston ring spring 5 successively by open guide rod 7 unlatching guide rod addendum cone portion 13, open the thick portion of guide rod 14 and open the bottom that the thin portion of guide rod 15 moves to interior pipe 2; Meanwhile, the snap lock protruding 10 of many flaps snap component 3 embeds in the first inwall draw-in groove, completes the withdrawal of second, arrives the state shown in Figure 10.On this basis, can to realize in the 3rd pipe in pipe, the 4th,, shrink.
On the basis that embodiment 1 extends, again press and release the button 7, extruding Compress Spring 18 makes unlatching guide rod 6 travel forward, and just can realize the extraction of pipe in second.
Embodiment 3
A kind of Multi-section telescopic casing bit as shown in Figure 1, on the basis of embodiment 1 or 2, outer tube 1 and interior pipe 2 are square sleeve pipe.
The above; it is only preferred embodiment of the present utility model; not any pro forma restriction is done to the utility model; according to technical spirit of the present utility model; within spirit of the present utility model and principle; the any simple amendment that above embodiment is done, equivalently replace and improve, within the protection domain all still belonging to technical solutions of the utility model.
Claims (10)
1. a Multi-section telescopic casing bit, comprise outer tube (1), a set of above interior pipe (2), many flaps snap component (3), retaining spring (4), many flaps piston ring spring (5), open guide rod (6) and release the button (7), it is characterized in that: described outer tube (1) bottom is provided with release the button (7) that control telescopic extension, described unlatching guide rod (7) is arranged in outer tube (1) and is connected with release the button (7), described interior pipe (2) is assemblied in outer tube (1), in the outer tube (1) of interior pipe (2) bottom, many flaps snap component (3) is installed, retaining spring (4) and many flaps piston ring spring (5), described many flaps snap component (3) is made up of two lobes above buckle block (8) annular array, described buckle block (8) top is buckle tapered arm (35), buckle spacing preiection (9) is had outside the intermediate portion of described buckle block (8), snap lock projection (10) is had at buckle block (8) lateral tail, there are retaining spring draw-in groove (11) and piston ring spring card slot (12) in buckle block (8) inner side, described retaining spring (4) is arranged in retaining spring draw-in groove (11), described many flaps piston ring spring (5) is arranged in piston ring spring card slot (12).
2. a kind of Multi-section telescopic casing bit according to claim 1, it is characterized in that: described telescopic tube device has pipe (2) in more than two covers, in two covers matched, pipe (2) joint is provided with many flaps snap component (3), retaining spring (4) and many flaps piston ring spring (5), described many flaps snap component (3) is made up of two lobes above buckle block (8) annular array, described buckle block (8) top is buckle tapered arm (35), buckle spacing preiection (9) is had outside the intermediate portion of described buckle block (8), snap lock projection (10) is had at buckle block (8) lateral tail, there are retaining spring draw-in groove (11) and piston ring spring card slot (12) in buckle block (8) inner side, described retaining spring (4) is arranged in retaining spring draw-in groove (11), described many flaps piston ring spring (5) is arranged in piston ring spring card slot (12).
3. a kind of Multi-section telescopic casing bit according to claim 1 and 2, it is characterized in that: described many flaps snap component (3) surrounds hollow article (17) by buckle block (8), the hollow article (17) that described buckle tapered arm (35) surrounds is cone-shaped, and its underpart is cylindric.
4. a kind of Multi-section telescopic casing bit according to claim 3, it is characterized in that: described unlatching guide rod (6) is followed successively by guide rod addendum cone portion (13) of opening from the top down, opens the thick portion of guide rod (14), opens the thin portion of guide rod (15) and open guide rod afterbody screw rod (16), described unlatching guide rod afterbody screw rod (16) is threaded with release the button (7), when pipe box elongation state, open guide rod addendum cone portion (13) and open the thick portion of guide rod (14) and place in hollow article (17).
5. a kind of Multi-section telescopic casing bit according to claim 1 and 2, is characterized in that: described outer tube (1) bottom is provided with realization and releases the button the Compress Spring (18) and pressure ring of releasing the button (19) that (7) move up and down.
6. a kind of Multi-section telescopic casing bit according to claim 1 and 2, it is characterized in that: the outer wall often overlapping described interior pipe (2) bottom is provided with successively outer wall of inner tube restraining groove (20) and outer wall of inner tube collimation groove (21), the inwall often overlapping described interior pipe (2) bottom is provided with interior pipe clamp groove (22) and interior pipe clamp button restraining groove (23) successively, often overlap described interior pipe (2) top inwall and be provided with inner tube wall collimation groove (32) successively, inner tube wall restraining groove (33) and inner tube wall draw-in groove (34), the outer wall of inner tube limited ring (24) preventing interior pipe (2) from extracting out is provided with in described outer wall of inner tube restraining groove (20), outer wall of inner tube collimation ring (25) of collimation and concentricity in pipe (2) sliding process in ensureing is provided with in described outer wall of inner tube collimation groove (21), when casing shrink state, described interior pipe clamp groove (22) is in order to the snap lock projection (10) of kayser buckle block (8), described interior pipe clamp button restraining groove (23) is matched with the buckle spacing preiection (9) of buckle block (8) and is clamped.
7. a kind of Multi-section telescopic casing bit according to claim 1 and 2, it is characterized in that: described outer tube (1) upper end inwall is disposed with outer tube wall collimation groove (26), outer tube wall restraining groove (27) and outer tube wall draw-in groove (28), outer tube wall collimation ring (29) of collimation and concentricity in pipe sliding process in ensureing is installed in described outer tube wall collimation groove (26), be provided with in described outer tube wall restraining groove (27) and prevent interior pipe (2) from extracting out and outer tube wall limited ring (30) matching used with outer wall of inner tube limited ring (24), when pipe box elongation state, snap lock projection (10) the phase snap lock of described outer tube wall draw-in groove (28) and buckle block (8).
8. a kind of Multi-section telescopic casing bit according to claim 1 and 2, it is characterized in that: described outer tube (1) bottom inwall is provided with outer tube draw-in groove (31), when casing shrink state, the snap lock projection (10) of described buckle block (8) latches in outer tube draw-in groove (31).
9. a kind of Multi-section telescopic casing bit according to claim 1 and 2, is characterized in that: described outer tube (1) and interior pipe (2) are round sleeve pipe or square sleeve pipe.
10. a kind of Multi-section telescopic casing bit according to claim 1 and 2, is characterized in that: the limit number of described many flaps piston ring spring (5) is identical with buckle block (8) number of many flaps snap component (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520498578.4U CN205025886U (en) | 2015-11-20 | 2015-11-20 | Multistage telescopic tube device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520498578.4U CN205025886U (en) | 2015-11-20 | 2015-11-20 | Multistage telescopic tube device |
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| Publication Number | Publication Date |
|---|---|
| CN205025886U true CN205025886U (en) | 2016-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520498578.4U Active CN205025886U (en) | 2015-11-20 | 2015-11-20 | Multistage telescopic tube device |
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| CN (1) | CN205025886U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156421A (en) * | 2015-07-10 | 2015-12-16 | 北京中电兴发科技有限公司 | Multi-section telescopic pipe device |
| CN105645301A (en) * | 2016-04-01 | 2016-06-08 | 宁波海仕凯驱动科技有限公司 | Lifting mechanism having longer service life |
| CN107359552A (en) * | 2017-09-15 | 2017-11-17 | 绵阳鹏志远科技有限公司 | Cable poling aid in comprehensive wiring system |
| CN108011324A (en) * | 2017-12-08 | 2018-05-08 | 绵阳鹏志远科技有限公司 | Mechanism for cable poling in comprehensive wiring system |
| CN108424195A (en) * | 2018-05-07 | 2018-08-21 | 东北农业大学 | A kind of convenient distribution device in aerobic compost |
| CN110218976A (en) * | 2019-07-17 | 2019-09-10 | 南通职业大学 | A kind of components automatic film coating device |
| CN112107136A (en) * | 2020-09-25 | 2020-12-22 | 李存仙 | A storing device for integrated furred ceiling |
| CN112227587A (en) * | 2020-09-25 | 2021-01-15 | 李存仙 | Lifting storage structure on integrated ceiling |
| CN112227590A (en) * | 2020-09-25 | 2021-01-15 | 李存仙 | Storage structure applied to integrated ceiling |
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2015
- 2015-11-20 CN CN201520498578.4U patent/CN205025886U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156421A (en) * | 2015-07-10 | 2015-12-16 | 北京中电兴发科技有限公司 | Multi-section telescopic pipe device |
| CN105156421B (en) * | 2015-07-10 | 2018-01-12 | 北京中电兴发科技有限公司 | A kind of Multi-section telescopic casing bit |
| CN105645301A (en) * | 2016-04-01 | 2016-06-08 | 宁波海仕凯驱动科技有限公司 | Lifting mechanism having longer service life |
| CN107359552A (en) * | 2017-09-15 | 2017-11-17 | 绵阳鹏志远科技有限公司 | Cable poling aid in comprehensive wiring system |
| CN108011324A (en) * | 2017-12-08 | 2018-05-08 | 绵阳鹏志远科技有限公司 | Mechanism for cable poling in comprehensive wiring system |
| CN108424195A (en) * | 2018-05-07 | 2018-08-21 | 东北农业大学 | A kind of convenient distribution device in aerobic compost |
| CN110218976A (en) * | 2019-07-17 | 2019-09-10 | 南通职业大学 | A kind of components automatic film coating device |
| CN112107136A (en) * | 2020-09-25 | 2020-12-22 | 李存仙 | A storing device for integrated furred ceiling |
| CN112227587A (en) * | 2020-09-25 | 2021-01-15 | 李存仙 | Lifting storage structure on integrated ceiling |
| CN112227590A (en) * | 2020-09-25 | 2021-01-15 | 李存仙 | Storage structure applied to integrated ceiling |
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