CN103976582B - A kind of expansion locking device - Google Patents
A kind of expansion locking device Download PDFInfo
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- CN103976582B CN103976582B CN201410191142.0A CN201410191142A CN103976582B CN 103976582 B CN103976582 B CN 103976582B CN 201410191142 A CN201410191142 A CN 201410191142A CN 103976582 B CN103976582 B CN 103976582B
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- telescopic chute
- shaped
- expansion link
- contract type
- locking device
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Abstract
The present invention discloses a kind of expansion locking device, comprise upper cover plate, lower cover, center retractor device and T-shaped expansion link, the upper surface middle part of lower cover is provided with the first telescopic chute, the both sides of the edge of the first telescopic chute are provided with several the first profile of tooth projections, center retractor device is arranged in the first telescopic chute, the both sides of T-shaped expansion link are respectively equipped with several the second profile of tooth projections, and one end that T-shaped expansion link has profile of tooth projection is stretched in the retractor device of center.The present invention adopts the first contract type tongue and the second contract type tongue of spring structure, independently partly form by four, symmetrical distribution, two, every limit, first contract type tongue of two spring structures of close T-shaped expansion link and T-shaped expansion link jointly complete ground floor and stretch, and the second contract type tongue of two spring structures of close lower cover and the first profile of tooth projection of the first telescopic chute complete the second layer and stretch.
Description
Technical field
The present invention relates to locking, retractor device, particularly a kind of expansion locking device.
Background technology
At present, the function of existing retractor device or locking device is comparatively single, after existing retractor device stretches, reach capacity or recover reset condition and could locate, existing locking device will pass through stretching extensible member, locking piece is connected with contact, the state of flexible rear locking could be realized.
Existing flexible, locking device has following three kinds of forms: 1, double-deck scalable but can not lock in any distance, and what such as drawer was used three takes out; 2, individual layer is scalable, but flexible ratio is lower, and the distance that usual individual layer stretches is less than the length of parent, such as, the individual layer extensible member of 20 centimeters, the distance that it can stretch is less than 20 centimeters; 3, scalable lockable, but holding capacity is inadequate, and stopping arbitrarily on such as kitchen cabinet, can only bear the weight of about 20KG, can not support after exceeding.
Summary of the invention
The object of the invention is the above-mentioned defect for prior art, the device that a kind of structure is simple, expansion and contraction is high, it is more convenient to use, mode of braking more simply stretches locking is provided.
For solving the above-mentioned defect of prior art, the technical scheme that the present invention will solve is: a kind of expansion locking device, comprise upper cover plate, lower cover, center retractor device and T-shaped expansion link, the upper surface middle part of described lower cover is provided with the first telescopic chute, the both sides of the edge of described first telescopic chute are respectively equipped with several the first profile of tooth projections, described center retractor device is arranged in described first telescopic chute, the both sides of described T-shaped expansion link are respectively equipped with several the second profile of tooth projections, one end that described T-shaped expansion link has the second profile of tooth projection is stretched in the retractor device of described center.
One as expansion locking device of the present invention is improved, described center retractor device comprises intermediate warp plate, the upper surface middle part of described intermediate warp plate is provided with the second telescopic chute installing described T-shaped expansion link, one end, both sides of described second telescopic chute is provided with the first mutually corresponding U-shaped breach, the both sides other end of described second telescopic chute is provided with the second mutually corresponding U-shaped breach, the first contract type tongue is equipped with in two described first U-shaped breach, the second contract type tongue is equipped with in two described second U-shaped breach, the bottom end that described first contract type tongue inserts described first U-shaped breach is provided with the first spring, the bottom end that described second contract type tongue inserts described second U-shaped breach is provided with the second spring, one end of described first contract type tongue upper surface is provided with the first triangular form locating piece, one end of described second contract type tongue upper surface is provided with the second triangular form locating piece, described first triangular form locating piece is connected by a Z-type positioning strip with described second triangular form locating piece, one end that described Z-type positioning strip is connected with described second triangular form locating piece is provided with the first square protrusion, the upper surface both sides of described intermediate warp plate are respectively equipped with multiple locating hole for installing locating shim, the position of the corresponding described first U-shaped breach of described locating shim is provided with a U-shaped location hook, the second square protrusion is provided with in the middle part of described second telescopic chute, an inter panel is provided with directly over described second telescopic chute.
One as expansion locking device of the present invention is improved, and is provided with the first square groove be connected with described second square protrusion in the middle part of described T-shaped expansion link.
One as expansion locking device of the present invention is improved, and the position of corresponding two described first square protrusion of described upper cover plate is provided with the second square groove.
One as expansion locking device of the present invention is improved, and described lower cover upper surface both sides are respectively equipped with multiple screwed hole, and described upper cover plate is threaded with described lower cover by screw, is provided with polylith backing plate between described upper cover plate and described lower cover.
One as expansion locking device of the present invention is improved, and the degree of depth of described first telescopic chute equals the thickness of described intermediate warp plate.
One as expansion locking device of the present invention is improved, and the degree of depth of described second telescopic chute equals the thickness of described T-shaped expansion link.
Compared with prior art, advantage of the present invention is: the present invention adopts the first contract type tongue and the second contract type tongue of spring structure, independently partly form by four, symmetrical distribution, two, every limit, first contract type tongue of two spring structures of close T-shaped expansion link and T-shaped expansion link jointly complete ground floor and stretch, the second contract type tongue of two spring structures of close lower cover and the first profile of tooth projection of the first telescopic chute complete the second layer and stretch, and being stretched by self reaches the spacing effect with passing through; First contract type tongue of symmetrical Z-type positioning strip and spring structure and the second contract type tongue, by the first contract type tongue of spring structure and the effect of the second contract type tongue, reach double-deck stretching and unlock again and spacing function simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation that the present invention removes upper cover plate and inter panel.
Detailed description of the invention
Just the invention will be further described with reference to the accompanying drawings below.
As depicted in figs. 1 and 2, a kind of expansion locking device, comprise upper cover plate 1, lower cover 2, center retractor device 3 and T-shaped expansion link 4, the upper surface middle part of lower cover 2 is provided with the first telescopic chute 5, the both sides of the edge of the first telescopic chute 5 are respectively equipped with several the first profile of tooth projections 6, center retractor device 3 is arranged in described first telescopic chute 5, and the both sides of T-shaped expansion link 4 are respectively equipped with several the second profile of tooth projections 7, and one end that T-shaped expansion link 4 has the second profile of tooth projection 7 is stretched in center retractor device 3.
The present invention preferred center retractor device 3 comprises intermediate warp plate 31, the upper surface middle part of intermediate warp plate 31 is provided with the second telescopic chute 32 installing T-shaped expansion link 4, one end, both sides of second telescopic chute 32 is provided with the first mutually corresponding U-shaped breach 33, the both sides other end of the second telescopic chute 32 is provided with the second mutually corresponding U-shaped breach 34, the first contract type tongue 35 is equipped with in two the first U-shaped breach 33, the second contract type tongue 36 is equipped with in two the second U-shaped breach 34, the bottom end that first contract type tongue 35 inserts the first U-shaped breach 33 is provided with the first spring 37, the bottom end that second contract type tongue 36 inserts the second U-shaped breach 34 is provided with the second spring 38, one end of first contract type tongue 35 upper surface is provided with the first triangular form locating piece 39, one end of second contract type tongue 36 upper surface is provided with the second triangular form locating piece 30, first triangular form locating piece 39 is connected by a Z-type positioning strip 301 with the second triangular form locating piece 30, one end that Z-type positioning strip 301 is connected with the second triangular form locating piece 30 is provided with the first square protrusion 302, the upper surface both sides of intermediate warp plate 31 are respectively equipped with multiple locating hole 304 for installing locating shim 303, the position of the corresponding first U-shaped breach 33 of locating shim 303 is provided with a U-shaped location hook 305, the second square protrusion 306 is provided with in the middle part of second telescopic chute 32, an inter panel 307 is provided with directly over second telescopic chute 32.
The first square groove 8 be connected with the second square protrusion 306 is provided with in the middle part of the preferred T-shaped expansion link 4 of the present invention.Prevent T-shaped expansion link 4 hour offset that stretches, guarantee the linearity of T-shaped expansion link 4 and intermediate warp plate 31, and there is position-limiting action.
The position of corresponding two the first square protrusion 302 of the preferred upper cover plate 1 of the present invention is provided with the second square groove 9.Prevent stretched center retractor device 3 hour offset, guarantee the linearity of center retractor device 3 and upper cover plate 1, and there is position-limiting action.
The present invention's preferred lower cover 2 upper surface both sides are respectively equipped with multiple screwed hole 10, and upper cover plate 1 is threaded with lower cover 2 by screw 11, is provided with polylith backing plate 12 between upper cover plate 1 and lower cover 2.Upper cover plate 1 is threaded with lower cover 2 by screw 11, is convenient to dismounting.
The degree of depth of preferred first telescopic chute 5 of the present invention equals the thickness of intermediate warp plate 31.Guarantee that the first telescopic chute 5 can hold intermediate warp plate 31.
The degree of depth of preferred second telescopic chute 32 of the present invention equals the thickness of T-shaped expansion link 4.Guarantee that the second telescopic chute 32 can hold T-shaped expansion link 4.
Operation principle of the present invention is: 1, when the T-shaped expansion link 4 being positioned at device center forwards moves, and T-shaped expansion link 4 coordinates with the first contract type tongue 35, and classification is to protracting; 2, when behind the position that the flexible arrival of T-shaped expansion link 4 limits, the limited switch of T-shaped expansion link 4 is spacing firmly, can not draw forward again; First contract type tongue 35 stretches out simultaneously, and T-shaped expansion link 4 can not be return; 3, after T-shaped expansion link 4 is limit, can continue to draw forward, the second layer and the intermediate warp plate 31 of this device start to be pulled, and stretch out forward, at this time, the second contract type tongue 36 of the right and left is whole flexible with housing first profile of tooth projection 6 co-controlling of device; 4, when middle expansion plate 31 arrives restriction position, the locking and unlocking device on intermediate warp plate 31 reaches the limit of position, if firmly slided again forward, then can unlocked function automatically, two the first contract type tongues 35 on intermediate warp plate 31 and two the second contract type tongues 36 are all retracted, then T-shaped expansion link 4 and intermediate warp plate 31 can be retracted initial position; 5, when middle expansion plate 31 arrives initial position, the device of the locking and unlocking restores simultaneously, two the first contract type tongues 35 and two the second contract type tongues 36 is stretched out, and whole device is in again flexible state, can carry out next operation.
The present invention also has the following advantages: 1, pure mechanical-stretching, and flexible power resources do not rely on external power supply in outside (mainly manpower), and stability is stronger, not fragile; 2, the symmetrical state in flexible position, more adapts to coordinate other products or device; More be suitable for and install and fix; 3, the telescopic distance of unit length can reach or exceed more than 1.5 times (certain 2 times is the limit) from body device, even longer, and it is longer from body length, telescopic ratio is higher. because the present invention is that bilayer can draw. and namely one deck pulls, the second layer can pull out again, has accomplished with the longest distance of minimum space telescopic. and higher to the utilization rate in space; 4, the present invention is pure mechanical braking mode, is automatically braked by mechanical system and unlocks, and does not need button or other auxiliary mode. be easy to operation, be more convenient for safeguarding; 5, of the present invention stretching is unidirectional exerting oneself, and need only exert oneself, namely can extend gradually along a direction, also at limit place automatic unlocking, can enter next round and stretch; 6, tripper of the present invention space all different from, required for it the already present mode of industry on any market is less, and the position of unblock is more accurate, and the mode of unblock is more directly simple.
Comprehensive above some, the present invention compares the difference of product that market existed: expansion and contraction is higher, and use more convenient, mode of braking is simpler.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also carry out suitable change and amendment to above-mentioned embodiment.Therefore, the present invention is not limited to detailed description of the invention disclosed and described above, also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.In addition, although employ some specific terms in this description, these terms just for convenience of description, do not form any restriction to the present invention.
Claims (7)
1. an expansion locking device, it is characterized in that, comprise upper cover plate (1), lower cover (2), center retractor device (3) and T-shaped expansion link (4), the upper surface middle part of described lower cover (2) is provided with the first telescopic chute (5), the both sides of the edge of described first telescopic chute (5) are respectively equipped with several the first profile of tooth projections (6), described center retractor device (3) is arranged in described first telescopic chute (5), the both sides of described T-shaped expansion link (4) are respectively equipped with several the second profile of tooth projections (7), one end that described T-shaped expansion link (4) has the second profile of tooth projection (7) is stretched in described center retractor device (3).
2. expansion locking device according to claim 1, it is characterized in that, described center retractor device (3) comprises intermediate warp plate (31), the upper surface middle part of described intermediate warp plate (31) is provided with the second telescopic chute (32) installing described T-shaped expansion link (4), one end, both sides of described second telescopic chute (32) is provided with the first mutually corresponding U-shaped breach (33), the both sides other end of described second telescopic chute (32) is provided with the second mutually corresponding U-shaped breach (34), the first contract type tongue (35) is equipped with in two described first U-shaped breach (33), the second contract type tongue (36) is equipped with in two described second U-shaped breach (34), the bottom end that described first contract type tongue (35) inserts described first U-shaped breach (33) is provided with the first spring (37), the bottom end that described second contract type tongue (36) inserts described second U-shaped breach (34) is provided with the second spring (38), one end of described first contract type tongue (35) upper surface is provided with the first triangular form locating piece (39), one end of described second contract type tongue (36) upper surface is provided with the second triangular form locating piece (30), described first triangular form locating piece (39) is connected by a Z-type positioning strip (301) with described second triangular form locating piece (30), one end that described Z-type positioning strip (301) is connected with described second triangular form locating piece (30) is provided with the first square protrusion (302), the upper surface both sides of described intermediate warp plate (31) are respectively equipped with multiple locating hole (304) for installing locating shim (303), the position of the corresponding described first U-shaped breach (33) of described locating shim (303) is provided with a U-shaped location hook (305), described second telescopic chute (32) middle part is provided with the second square protrusion (306), an inter panel (307) is provided with directly over described second telescopic chute (32).
3. expansion locking device according to claim 2, is characterized in that, described T-shaped expansion link (4) middle part is provided with the first square groove (8) be connected with described second square protrusion (306).
4. expansion locking device according to claim 2, is characterized in that, the position of corresponding two described first square protrusion (302) of described upper cover plate (1) is provided with the second square groove (9).
5. expansion locking device according to claim 4, it is characterized in that, described lower cover (2) upper surface both sides are respectively equipped with multiple screwed hole (10), described upper cover plate (1) is threaded with described lower cover (2) by screw (11), is provided with polylith backing plate (12) between described upper cover plate (1) and described lower cover (2).
6. expansion locking device according to claim 5, is characterized in that, the degree of depth of described first telescopic chute (5) equals the thickness of described intermediate warp plate (31).
7. expansion locking device according to claim 2, is characterized in that, the degree of depth of described second telescopic chute (32) equals the thickness of described T-shaped expansion link (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410191142.0A CN103976582B (en) | 2014-05-08 | 2014-05-08 | A kind of expansion locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410191142.0A CN103976582B (en) | 2014-05-08 | 2014-05-08 | A kind of expansion locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103976582A CN103976582A (en) | 2014-08-13 |
| CN103976582B true CN103976582B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410191142.0A Active CN103976582B (en) | 2014-05-08 | 2014-05-08 | A kind of expansion locking device |
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| Country | Link |
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| CN (1) | CN103976582B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886748A (en) * | 2019-11-26 | 2020-03-17 | 六安丰恺尼机电科技有限公司 | Elastic locking component of telescopic rod |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104586102A (en) * | 2015-02-05 | 2015-05-06 | 客来福家居股份有限公司 | Wardrobe with freely adjustable layer board |
| CN108773705A (en) * | 2018-06-22 | 2018-11-09 | 安徽商贸职业技术学院 | A kind of packing box of life bag |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2237501A (en) * | 1989-11-02 | 1991-05-08 | Toshiba Kk | Guide apparatus for guiding an inner unit |
| EP0635226A1 (en) * | 1993-06-29 | 1995-01-25 | Julius Blum Gesellschaft m.b.H. | Sequential drawer slide or the like |
| CN101193574A (en) * | 2005-04-27 | 2008-06-04 | 摩尔功能性家具有限责任公司 | Furniture guided in a synchronised manner |
| CN202908217U (en) * | 2011-11-18 | 2013-05-01 | 梅尧国际股份有限公司 | Pull synchronizer and guide rack and sliding rail unit thereof |
| CN203153061U (en) * | 2013-01-10 | 2013-08-28 | 李志成 | Damping device for telescopic sliding rail |
| CN103371639A (en) * | 2012-04-17 | 2013-10-30 | 宏正自动科技股份有限公司 | Sliding track assembly |
| CN203814953U (en) * | 2014-05-08 | 2014-09-10 | 李传军 | Telescopic locking device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005073492A1 (en) * | 2004-01-30 | 2005-08-11 | Thk Co., Ltd | Movable body driving device and automatic drawing device |
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2014
- 2014-05-08 CN CN201410191142.0A patent/CN103976582B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2237501A (en) * | 1989-11-02 | 1991-05-08 | Toshiba Kk | Guide apparatus for guiding an inner unit |
| EP0635226A1 (en) * | 1993-06-29 | 1995-01-25 | Julius Blum Gesellschaft m.b.H. | Sequential drawer slide or the like |
| CN101193574A (en) * | 2005-04-27 | 2008-06-04 | 摩尔功能性家具有限责任公司 | Furniture guided in a synchronised manner |
| CN202908217U (en) * | 2011-11-18 | 2013-05-01 | 梅尧国际股份有限公司 | Pull synchronizer and guide rack and sliding rail unit thereof |
| CN103371639A (en) * | 2012-04-17 | 2013-10-30 | 宏正自动科技股份有限公司 | Sliding track assembly |
| CN203153061U (en) * | 2013-01-10 | 2013-08-28 | 李志成 | Damping device for telescopic sliding rail |
| CN203814953U (en) * | 2014-05-08 | 2014-09-10 | 李传军 | Telescopic locking device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886748A (en) * | 2019-11-26 | 2020-03-17 | 六安丰恺尼机电科技有限公司 | Elastic locking component of telescopic rod |
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| Publication number | Publication date |
|---|---|
| CN103976582A (en) | 2014-08-13 |
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