CN101314989A - Positioning device for expansion table-board - Google Patents
Positioning device for expansion table-board Download PDFInfo
- Publication number
- CN101314989A CN101314989A CNA2008100222016A CN200810022201A CN101314989A CN 101314989 A CN101314989 A CN 101314989A CN A2008100222016 A CNA2008100222016 A CN A2008100222016A CN 200810022201 A CN200810022201 A CN 200810022201A CN 101314989 A CN101314989 A CN 101314989A
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- locating surface
- state locating
- lock
- alignment pin
- pedestal
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Abstract
The invention relates to a positioning device for a telescopic table top, and is characterized in that the positioning device comprises a positioning strip (1) and a spring pin (2), wherein the positioning strip (1) is fixed on a right table top (4); the spring pin (2) corresponding to the positioning strip (1) is telescopically supported on a left table top (3); the spring pin (2) is composed of a positioning pin (5) and a spring (6); and an operating handle (8) is arranged at the tail end of the positioning pin (5). The spring (6) is acted between the positioning pin (5) and the left table top (3), so as to force the positioning pin (5) to be inserted into a positioning hole (10) on the positioning strip (1) for matching and positioning. The positioning device has the advantages that the production and the manufacture are convenient through the positioning fit between the positioning strip and the head part of the spring pin; and the unlocking and the locking can be realized by turning the operating handle, the stretching of the table top is convenient, and the operation is simple.
Description
Technical field
The present invention relates to the to construct springboard or the operating desk table top (for example service rack table top, scaffold table top) of usefulness, operation usefulness are specifically related to the springboard that can stretch in the longitudinal direction or the positioner on the operating desk table top.This positioner can to springboard and operating desk table top flexiblely position locking.
Background technology
In daily life and work, operating desk (or claiming workbench, operation post) is very common, such as the service rack of carwash special use, mini scaffold of family expenses or the like.Operating desk is made of a table top and feet usually exactly, when the operating desk table top uses as an equipment separately, is called as springboard.Springboard uses more flexible, and the scope of application is also very wide, particularly the realm of building construction use more.Therefore, operating desk and springboard all are present common bed hedgehopping operating equipments, and they make the pinnacled operation of people and move and become light and easy, bring convenience to people's live and work.
In the prior art, operating desk table top or title springboard still are traditional one flat plate shape, and its length is fixed not flexible.And different in actual use use occasions has different demands to length of working surface of table: as operating desk in the family when mini scaffold uses, on a position, operate for general, its operating desk table top need not excessive, the excessive not only side of occupation of land, but also increases cost; As when service rack uses, longer because of automobile body, just need the mesa designs must be longer, make people can be on operating desk move left and right, exempted behind time operating desk trouble of move operation platform again.And springboard problem is outstanding especially in this respect, springboard length is fixing can not to be erected on the various shelfs flexibly, the scope of application is dwindled greatly, also can't telescopic folding when not using, floor space is excessive.
For the versatility and the expansion scope of application that improves operating desk and springboard, to be telescopic with the mesa designs of above-mentioned springboard and operating desk, promptly by about two mutually nested being slidingly connected of table top constitute, so just must adopt positioner, lock by the relative position of positioner with left table top and right table top.
Summary of the invention
The invention provides a kind of positioner of expansion table-board, purpose is to make table top have flexible positioning function, thereby strengthens the versatility of table top, satisfies the different demands of various use occasions to table top length.
For achieving the above object, the technical solution used in the present invention is: a kind of positioner of expansion table-board comprises positioning strip, resilient key, operating grip and pedestal; Positioning strip is installed on the first relative sliding table, and locating hole is set on the positioning strip along its length at interval; Pedestal is installed on the second relative sliding table, and the position of corresponding positioning strip is provided with a hole on the pedestal; Described resilient key is made up of alignment pin and spring, and alignment pin slides and is positioned on the pedestal, and spring housing is contained on the alignment pin, spring one end is resisted against on the pedestal, the other end is resisted against on the shaft shoulder of alignment pin, and the alignment pin head is provided with the location division, and stretch out through the seat hole this location division; Operating grip is hinged on the tail end of alignment pin through a pin, operating grip is provided with a lock-out state locating surface and a released state locating surface, be on the circumference at center with the pin joint, the outside normal of the outside normal of lock-out state locating surface and released state locating surface have different towards, and the lock-out state locating surface to the distance of pin joint less than the distance of released state locating surface to pin joint, make relative lock-out state locating surface of pin joint and released state locating surface be the offset distance setting; On pedestal, be provided with the face of leaning corresponding to lock-out state locating surface and released state locating surface, move operating grip back and forth, lock-out state locating surface and released state locating surface are against on the face of leaning by turns, and corresponding alignment pin relative positioning hole locks and extracts between two kinds of duties of release in insertion switches.
Related content in the such scheme is explained as follows:
1, in the such scheme, described " the first relative sliding table " and " the second relative sliding table " are meant the mesa structures that two in the expansion table-board can slide elongation relatively and shorten, than left table top 3 and right table top 4 as shown in Figure 1.
2, in the such scheme, described " positioning strip is installed on the first relative sliding table " comprises two kinds of implications, the first, and positioning strip is an individual member, then this individual member is formed on the first relative sliding table surely admittedly; The second, positioning strip is to utilize a position on the first relative sliding table to be processed to form, and this position whole relatively first relative sliding table fixedly installs.
3, in the such scheme, described " pedestal is installed on the second relative sliding table " comprises two kinds of implications, the first, and pedestal is an individual member, then this individual member is formed on the second relative sliding table surely admittedly; The second, pedestal is to utilize a position on the second relative sliding table to be processed to form, and this position whole relatively second relative sliding table fixedly installs.Such as, pedestal can utilize prismatic section bar to block in the longitudinal direction and make, and can further reduce production costs like this.
4, in the such scheme, locating hole is circle or polygon on the described positioning strip, and locating hole quantity is the integer greater than 1.
5, in the such scheme, described positioning strip is located on the sidepiece of the first relative sliding table, and resilient key is located on the sidepiece of the second relative sliding table.
This practical operating principle is: on the first relative sliding table positioning strip is set, on the second relative sliding table, resilient key and operating grip are set, the corresponding positioning strip of resilient key position positions, resilient key is made of alignment pin and spring, operating grip is hinged on the alignment pin tail end, spring action is between the relative sliding table with second of alignment pin, force the alignment pin head to stretch to positioning strip, positioning strip is provided with locating hole, the first relative sliding table relative second relative sliding table locks release when alignment pin is extracted locating hole on glide direction when alignment pin inserts locating hole.In order to make operation easier and dexterous, on operating grip, be provided with a lock-out state locating surface and a released state locating surface, on the second relative sliding table, also be provided with the face of leaning.Be on the circumference at center with the pin joint, two locating surfaces on the operating grip outside towards difference, and the pin joint of both and operating grip makes relative lock-out state locating surface of pin joint and released state locating surface be the offset distance setting apart from small one and large one; When moving operating grip the lock-out state locating surface contacted with the face of leaning, because the lock-out state locating surface is little to the distance of pin joint, alignment pin inserts locating hole and constitutes lock-out state, when moving operating grip the released state locating surface contacted with the face of leaning, because the released state locating surface is big to the distance of pin joint, alignment pin is extracted locating hole and is constituted released state, moves operating grip back and forth, and alignment pin relative positioning hole locks and extracts between two kinds of duties of release in insertion switches.
Because the present invention on resilient key and basis that locating hole cooperates, utilizes the locating surface of different offset distances set on the operating grip, realizes cleverly switching between two kinds of duties of the locking and unlocking, it is specific to be simple in structure, safe and reliable; And, about move operating grip and just can realize the flexible of alignment pin, can quick-expansion and fix two table tops, must one of operator when particularly operating do not pull operating grip and do not put line operate into, therefore operation with use extremely convenient.
Description of drawings
Accompanying drawing 1 is for using springboard schematic perspective view of the present invention;
Accompanying drawing 2 is structural upright schematic diagram of the present invention;
Accompanying drawing 3 is STRUCTURE DECOMPOSITION schematic diagram of the present invention;
Accompanying drawing 5 is looked cross-sectional schematic for the master under the structure released state of the present invention;
Accompanying drawing 6 is the lock-out state locating surface on the operating grip among the present invention and the another kind of design diagram of released state locating surface.
In the above accompanying drawing: 1, positioning strip; 2, resilient key; 3, left table top; 4, right table top; 5, alignment pin; 6, spring; 7, pedestal; 8, operating grip; 9, pin; 10, locating hole; 11, location division; 12, seat hole; 13, offset distance hole; 14, lock-out state locating surface; 15, released state locating surface; 16, lean face; 17, springboard
The specific embodiment
Below in conjunction with drawings and Examples the present invention is further described:
Embodiment: shown in accompanying drawing 1, a kind of springboard 17 of shape, its table top are pegged graft to be slidingly connected by left table top 3 and right table top 4 and are constituted, and effect is provided with the positioner of the expansion table-board of a present embodiment on left table top 3 and right table top 4.Left and right in described " left table top 3 and right table top 4 " be not constant bearing, but comparatively speaking, " left table top and right table top " is equivalent to a side stage face and opposite side table top, be exactly the present invention's aforesaid " first relative sliding table " and." the second relative sliding table ".
Shown in accompanying drawing 2～5, the positioner of described expansion table-board is made up of positioning strip 1, resilient key 2, operating grip 8 and pedestal 7.Positioning strip 1 is the section bar that utilizes on the right table top 4, and the spaced apart along its length locating hole 10 of establishing constitutes on positioning strip 1, so right relatively table top 4 integral body of positioning strip 1 are to fixedly install.Locating hole 10 can be circle or polygon, and locating hole 10 quantity are the integer greater than 1.Be embedded fixed base frame 7 on the table top 3 of a left side, above-mentioned pedestal 7 adopts the uniform section aluminium extruded sections to block formation in the longitudinal direction, and cost of production is lower.These pedestal 7 middle parts are aimed at positioning strip 1 and are provided with a hole 12.Described resilient key 2 is made of alignment pin 5 and spring 6, and alignment pin 5 is located on the pedestal 7 by seat hole 12 travelling carriages.Described spring 6 is sleeved on the alignment pin 5, spring 6 acts between alignment pin 5 and the left table top 3, and the one end is against on the pedestal 7, and the other end is against on the shaft shoulder of alignment pin 5, force the location division 11 of alignment pin 5 to rely on positioning strip 1 through seat hole 12, locating hole 10 cooperates the location on location division 11 and the positioning strip 1.
Shown in accompanying drawing 2～5, operating grip 8 is provided with offset distance hole 13, has in a pin 9 interspersed offset distance holes 13 operating grip 8 is hinged on the tail end of alignment pin 5.Operating grip 8 is provided with a lock-out state locating surface 14 and a released state locating surface 15, be on the circumference at center with the pin joint, lock-out state locating surface 14 and released state locating surface 15 vertical (promptly on operating grip 8 rotation directions, differing 90 °), and lock-out state locating surface 14 to the distance of pin joint less than the distance of released state locating surface 15 to pin joint, make relative lock-out state locating surface 14 of pin joint and released state locating surface 15 be the offset distance setting.On pedestal 7, be provided with the face of leaning 16 corresponding to lock-out state locating surface 14 and released state locating surface 15, lean the face 16 corresponding lock-out state that matches on lock-out state locating surface 14 and the pedestal 7, lean the face 16 corresponding released state that matches on released state locating surface 15 and the pedestal 7.Move operating grip 8 back and forth, lock-out state locating surface 14 and released state locating surface 15 are against on the face of leaning 16 by turns, and corresponding alignment pin 5 relative positioning holes 10 lock and extract between two kinds of duties of release in insertion switches.
The locking of present embodiment positioner, unlocking operation process are as follows: (see accompanying drawing 4) under the lock-out state, elastic force effect because of spring 6, locating hole 10 cooperates the location on the location division 11 of alignment pin 5 heads and the positioning strip 1, lock-out state locating surface 14 matches with the face that leans 16 on the pedestal 7 on this moment operating grip 8, because lock-out state locating surface 14 to pin joint is little offset distance, so be the lock in place state.When wanting release, the operator moves 90 ° with operating grip 8, released state locating surface 15 is matched with the face that leans 16 on the pedestal 7, because released state locating surface 15 to pin joint is big offset distance, operating grip 8 pulling alignment pins 5 pressuring springs 6 outer moving, make the location division 11 of alignment pin 5 break away from locating hole 10 on the positioning strips 1, be released state (seeing accompanying drawing 5).At this moment, with regard to the relative position of scalable left table top 3 and right table top 4, to adjust the entire length of table top.Again operating grip 8 is moved 90 ° after adjusting to the right place, lock-out state locating surface 14 is matched with the face that leans 16 on the pedestal 7, switch back lock-out state again from released state.
The positioning strip 1 of present embodiment is provided in a side of on the sidepiece of right table top 4, and resilient key 2 is provided in a side of on the sidepiece of left table top 3.
Among the above embodiment, the normal that the normal that lock-out state locating surface on the operating grip 8 14 is outside and released state locating surface 15 are outside is vertical on the circumference that with the pin joint is the center.Described " outside normal " is meant perpendicular to locating surface and has the particular ray of outward direction.In theory, the normal that lock-out state locating surface 14 is outside and released state locating surface 15 outside normals are as long as not parallel on the circumference that with the pin joint is the center, and comprising vertically, the folder acute angle presss from both sides the obtuse angle, even are 180 ° and all can.But press from both sides under the situation of acute angle at the outside normal of lock-out state locating surface 14 and released state locating surface 15 outside normals in the practice, if two outside normal angle is realized owing to instability is very difficult less than 45 °, so common two outside normal angles need be greater than 45 °.In addition, it also is feasible that two outside normal angles are 180 °, sees shown in Figure 6.
Among the above embodiment, lock-out state locating surface 14 to the distance of pin joint less than the distance of released state locating surface 15 to pin joint, the difference of these two distances is exactly the stroke of alignment pin 5, and the size of this stroke depends on that alignment pin 5 needs insert the degree of depth of locating hole 10, under the stroke condition of design, can satisfy the requirement of the locking and unlocking as long as guarantee alignment pin 5, not necessarily will painstakingly pursue the size of stroke.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit essence is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (3)
1, a kind of positioner of expansion table-board is characterized in that: comprise positioning strip (1), resilient key (2), operating grip (8) and pedestal (7); Positioning strip (1) is installed on the first relative sliding table, and locating hole (10) is set on the positioning strip (1) along its length at interval; Pedestal (7) is installed on the second relative sliding table, and the position that pedestal (7) is gone up corresponding positioning strip (1) is provided with a hole (12); Described resilient key (2) is made up of alignment pin (5) and spring (6), alignment pin (5) slides and is positioned on the pedestal (7), spring (6) is sleeved on the alignment pin (5), spring (6) one ends are resisted against on the pedestal (7), the other end is resisted against on the shaft shoulder of alignment pin (5), alignment pin (5) head is provided with location division (11), and stretch out through seat hole (12) this location division (11); Operating grip (8) is hinged on the tail end of alignment pin (5) through a pin (9), operating grip (8) is provided with a lock-out state locating surface (14) and a released state locating surface (15), be on the circumference at center with the pin joint, the outside normal of the outside normal of lock-out state locating surface (14) and released state locating surface (15) have different towards, and lock-out state locating surface (14) to the distance of pin joint less than the distance of released state locating surface (15) to pin joint, make relative lock-out state locating surface of pin joint (14) and released state locating surface (15) be the offset distance setting; On pedestal (7), be provided with the face of leaning (16) corresponding to lock-out state locating surface (14) and released state locating surface (15), move operating grip (8) back and forth, lock-out state locating surface (14) and released state locating surface (15) are against on the face of leaning (16) by turns, and corresponding alignment pin (5) relative positioning hole (10) locks and extracts between two kinds of duties of release in insertion switches.
2, the positioner of expansion table-board according to claim 1 is characterized in that: it is circle or polygon that described positioning strip (1) is gone up locating hole (10), and locating hole (10) quantity is the integer greater than 1.
3, the positioner of expansion table-board according to claim 1 is characterized in that: described positioning strip (1) is located on the sidepiece of the first relative sliding table, and resilient key (2) is located on the sidepiece of the second relative sliding table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100222016A CN101314989A (en) | 2008-06-27 | 2008-06-27 | Positioning device for expansion table-board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100222016A CN101314989A (en) | 2008-06-27 | 2008-06-27 | Positioning device for expansion table-board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101314989A true CN101314989A (en) | 2008-12-03 |
Family
ID=40106123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100222016A Pending CN101314989A (en) | 2008-06-27 | 2008-06-27 | Positioning device for expansion table-board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101314989A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956747B (en) * | 2009-07-17 | 2012-06-20 | 上海中科电气(集团)有限公司 | Production line turntable locating pin |
| CN107088860A (en) * | 2017-06-13 | 2017-08-25 | 长兴宝诺纺织科技有限公司 | A kind of placement rail that the roller that spins can be positioned |
| CN112502426A (en) * | 2020-11-26 | 2021-03-16 | 青海送变电工程有限公司 | Portable foundation construction work platform |
-
2008
- 2008-06-27 CN CNA2008100222016A patent/CN101314989A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956747B (en) * | 2009-07-17 | 2012-06-20 | 上海中科电气(集团)有限公司 | Production line turntable locating pin |
| CN107088860A (en) * | 2017-06-13 | 2017-08-25 | 长兴宝诺纺织科技有限公司 | A kind of placement rail that the roller that spins can be positioned |
| CN112502426A (en) * | 2020-11-26 | 2021-03-16 | 青海送变电工程有限公司 | Portable foundation construction work platform |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C12 | Rejection of a patent application after its publication | ||
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Open date: 20081203 |